UNIVERSITI TEKNOLOGI MALAYSIA
Contents
1. AH OA is DIGITAL Pun E H x 1 OO UND SESA 1 Te axu ARDUINO zz Reset Button In Circuit Serial Programmer ATmega328 Microcontroller External Power Supply Analog In 3 3 Volt Power Pin Pins 0 5 5 Volt Power Pin Voltage In Ground Pins Figure 3 10 Arduino Uno board 3 4 3 Switching Relay Relay is electronic components that will work as switch to control the current flow by using the electromechanical concept inside it For this project relay is used to control the ON OFF of the cooking induction Relay is choose based on load that it can supported Our cooking induction is operating on 220 240V and 1500W So 12V 10A relay 12 is choose because it can support the power 1500W Figure 3 11 shows the relay used 34 Figure 3 11 12V 10A relay Relay usually comes in with two types of mode of operation that is normally closed and normally opens For this project we connected this relay to normally open pin so that the relay will work as switch when we sent output high from the Arduino Figure 3 12 shows the circuit diagram for the relay we used So to connect this relay with cooking induction the live wire from the cooking induction need to cut into 2 parts One is connected to pin 1 and another to pin 9 So when the power is ON the relay will work as normally open Figure 3 13 shows how the relay is connected to cooking induction To ON the relay we also need to design simple circuit so that it will2. rotate motor start rotating if seg 0 multiplier 30 if seq 1 multiplier 30 if seq 2 multiplier 10 if seq 3 multiplier 2 for multiplier gt 0 multiplier delay 125000 while 1 forever else pulse 0 run 0 else ccw 0 direction 0 clear direction pin on motor driver CW if run run 1 for int seq 0 seq lt 4 seq int multiplier 60 for int count 0 count lt 500 count rotate motor start rotating if seq 0 multiplier 30 if seq 1 multiplier 30 if seq 2 multiplier 10 if seq 3 multiplier 2 for multiplier gt 0 multiplier delay 125000 while 1 forever else Iran 0 pulse 0 else on 0 led1 0 LED1 off led2 0 LED2 off led3 0 LED3 off 61 62 void delay unsigned long data for data gt 0 data 1 void rotate void unsigned char i 0 ADGO 1 set ADGO to activate ADC while ADGO 1 continue wait process of ADC complete IF the max speed for motor driver 20kHz and T 1 f Tmax 1 10k 50us From simulation delay 1 need 40 instruction cycles Period for 1 instruction cycle 1 20W 4 200ns Period for 40 instruction cycles 200n 40 8us So period for delay 1 also 8us Now if we want to gene
3. H bridge L293DNE Schematic for L293DNE L293DNE connection 12V 2A AC adapter Power supply distribution Overview of SolidWorks 2010 software MicroC compiler MPLAD IDE Code to control the rotation of stepper motor Arduino compiler interface Connection of Arduino Uno board Timing for cooking component Feeding compartment installation Full set up of the cooking system Cooking pot Final output of the automatic cooking machine 31 31 32 33 34 35 35 36 37 37 38 39 40 40 41 42 43 44 45 46 48 49 50 51 DC gt mm xi LIST OF SYMBOLS AND ABBREVIATIONS Direct Current Voltage Ampere Watt Millimeter APPENDIX A moa w LIST OF APPENDICES TITLE Source Code for PIC Source Code for Arduino Stepper Motor Datasheet PIC16F876A Datasheet Relay Data Sheet PAGE 56 63 65 66 67 xii CHAPTER1 INTRODUCTION This chapter describes the background of the project the problem statement of the project objectives of the overall project and scope which are related to the development of an automatic cooking machine 11 Background of Project Nowadays it is hard to get fresh and healthy food at food outlets Eating out sometimes reguire us to survey about the cleanness and the cost of the dish that we are ordering So cooking at home is more preferable than eating out We can be sure that what we are eating is clean and contains enough nutrition than eating or just buying ready made food
4. delay for the next turn The delay is obtained from the experiment on types of food we use to cook For this project we use soup based dishes as a food sample Figure 3 23 shows how the coding to set the rotation of stepper motor 43 while sw2 loopinng if no button is pressed Ak on 1 en 1 set enable if ccw ccw 1 direction 1 set direction pin on motor driver ccw if run run 1 AE seq 0 seq lt 4 seq int multiplier for int count 0 count lt 500 count rotate motor start rotating if seq 0 multiplier 30 7 Delay for 30 seconds if seq 1 multiplier 30 Delay for 30 seconds if seq 2 multiplier 10 Delay for 10 seconds if seq 3 multiplier 2 Delay for 2 seconds for multiplier gt 0 multiplier Mak Figure 3 23 Code to control the rotation of stepper motor After finish the compiler than the code is burn into the PIC chip using UICOOB USB ICSP PIC Programmer 14 The PIC is used just to control the rotation of the stepper motor in feeding compartment while the rest of the components are controlled by the Arduino Uno board microcontroller 3 5 3 Arduino Uno Board Atmega328 The Arduino Uno board 15 is types of microcontroller that easy to handle and compile the command Basic language for this microcontroller is C language 13 Figure 3 24 shows the overview of the Arduino compiler 44 new onoffjadi
5. Arduino 1 0 5 File Edit Sketch Tools Help new onoffjadi switch pir number of the t of the LED pin int toggle 2 the int light int feed 6 int cooker oggle the number 8 long bounceDelay 200 increase this if output is unstahle void setup pinModeftoggle INPUT pinModeflight OUTPUT pinMode feed OUTPUT pinMode cooker OUTPUT digitalWrite toggle HIGH digitalWrite light LOW digitalWrite feed LOW digitalWrite cooker LOW flickers Arduino Uno on COM4 Figure 3 24 Arduino compiler interface In this project the use of Arduino is more focus on the timing and switching the electrical components such as relay cooking induction stepper motor and motor pump Figure 3 25 shows how the Arduino is connected to the electrical components 45 Stepper Motor Jas Figure 3 25 Connection of Arduino Uno board The LED in the circuit represents the indicator in this project The green LED will light when the switch is ON The red LED will light up and connected to the relay at the cooking induction while the yellow LED is for feeding part When the yellow LED light up then stepper motor will start to rotate The ON OFF the LED shows the current operation cooking components The timing to ON OFF the cooking components is decided based on the experiment how the components should ON or OFF to finish a complete dish Figure 3 26 shows the codin
6. outlets Cooking at home need some steps starting from gettiing the raw ingredients cooking serving and end with the cleaning of the cooking eguipment To make all this steps easier an automatic cooking is designed to help human in preparing their dish with the combination of all cooking process in a system The available cooking machine nowadays is mostly for commercial use more complex big in size and also sold at the highly cost Hence automatic cooking machine from this project is designed for home application with simpler smaller and also at reasonable price This automatic cooking machine will be able to serve simple Asian dishes such as soup based dishes 11 Problem Statement Cooking reguires a lot of time spent in the kitchen which sometimes make us tired The condition is almost true especially for working mothers and those who strongly think that fresh food prepared at home are more nutritious with less artificial additives added to it However time may just be the problem Once a person focuses on her his cooking he she will feel tired to continue other housework Due to these conditions a home automatic cooking machine is proposed to overcome this problem The cooking process will be done with just the press a button which saves a lot of time and energy 12 Objectives The main objective of this project is to design a home automatic cooking machine that is able to prepare basic Asian dishes with just the press of a s
7. second chapter discusses on the research of previous researches that are related to the concept of automatic cooking machine The literature review focuses on the types of food types of food storage and also the flow of cooking method that were used in work done in previous projects and researches Chapter 3 explains on the step by step methodology of the project which involves the programming of the PIC16F876A microcontroller using Microchips software to control the stepper motor and it s driver designing the feeding mechanism using SolidWorks and also controlling all the cooking steps using Arduino Uno board The results obtained from the project are presented in Chapter 4 with some discussion on the results Lastly Chapter 5 concludes the overall project with some recommendations for future developments of the current prototype CHAPTER 2 THEORY AND LITERATURE REVIEW This chapter summarizes the researches that has be done from the related fields of the project which involves the study of various type of automatic cooking machine and the overall working system and the cooking components that involved of the related projects 2 1 Introduction The automatic cooking machine is the machine that helps human in cooking activities All the cooking process is controlled by the special microcontroller An automatic cooking machine usually designed by the combination of several cooking modules such as heating feeding stirring contr
8. turn on when output high from Arduino Uno board is sent to the relay Figure 3 14 show the circuit that need to design for the relay Transistor and resistor is used for the designation 35 Figure 3 12 Schematic for the relay Figure 3 13 Relay connection 36 Qi 2N4401 5U Logic Arduino Figure 3 14 Circuit design for relay This relay needs to supply 12V so that it can operate as switch The 12V supply came from the adapter 12V 2A This power supply is connected to pin 13 The diode is used and connected parallel with the coil inside the relay to prevent the spike occur when the current to the coil is suddenly turned off When this happen the high current will flow through the transistor and the transistor will damage So the diode will make sure that all the components in a good condition 3 4 4 Motor Pump Control A 12V DC motor pump is used to pump the liguid ingredient to the cooking pot In this project water is need to send into the cooking pot automatically as boiling medium before the others ingredients is dropped Figure 3 15 shows the 12V DC motor pump that used in this project 37 P Figure 3 15 12V DC motor pump To control the motor pump the H bridee L293DNE is used Figure 3 16 shows the model of h bridge that controls the motor pump This h bridge is connected with the Arduino Uno board L293DNE can control maximum 2 motors per operation but for this project we just use a single mo
9. 0 to 39 Hz 1 0 mm double amplitude Malfunction 10 to 39 Hz 1 0 mm double amplitude Destruction 1 000 mj approx 100G Matunotion P ai Life expectanoy See the following table eee 35 C so 70 C 67 F to 138 F with no icing See Note Ambienthumcty Oper os OOOO C C w E T _ 69
10. 19 12V 2A AC adapter Figure 3 20 Power supply distribution 35 Software Development In this project software part is one of the main part in designing an automatic cooking machine The software we used is SolidWorks 2012 MicroC for the PIC and Arduino in constructing the design and algorithm of the project 41 3 5 1 SolidWorks 2010 SolidWorks 2010 is the software that helps in designing the 3D object With the simple manual and interface this software is easy to use For this project SolidWorks is used to design the feeding compartment Figure 3 21 shows the overview of the SolidWorks 2010 software Iseuawors j 0 6 0 2 00E cylinder QQ SoidWworks Search iv 3 3 ma GS Swept Boss Base IB swept cut M Wrap w y X Extruded Revolved LoftedBoss ase Extruded Hole Revolved J Loftedcut Met sheas amp orat oome Reference Curves instantani Boss Base Boss Base Cut Wizard ut BI Boundary Boss Base Q Boundary cut Q sha GB mirror w Features Sketch Evaluate DimXpert Office Products QQ m B F w O _ ax SIA 2 cylinder Default lt Default Dis Sensors H A Annotations 3 Material not specified gt XQ Front Plane 3 Top Plane X Right Plane t origin IR Boss Extrudet Sketch21 Sketch29 tea 00 15 0 15 Diameter Hole3 1 aa Cut Extrude3 Fama A g Figure 3 21 Overview of SolidWorks 2010 software In SolidWorks 2010 to create
11. UNIVERSITI TEKNOLOGI MALAYSIA DECLARATION OF THESIS UNDERGRADUATE PROJECT PAPER AND COPYRIGHT Author s full name MOHAMAD NAZREEN BIN IBRAHIM Date of birth 2nd FEBRUARY 1990 Title AUTOMATIC COOKING MACHINE Academic Session 2012 2013 declare that this thesis is classified as CONFIDENTIAL Contains confidentiol information under the Official Secret Act 1972 RESTRICTED Contains restricted information os specified by the organization where research was done OPEN ACCESS I agree that my thesis to be published as online open access full text I acknowledged that Universiti Teknologi Malaysia reserves the right as follows The thesis is the property of Universiti Teknologi Malaysia The Library of Universiti Teknologi Malaysia has the right to make copies for the purpose of research only The Library has the right to make copies of the thesis for academic exchange Certified by SIGNATURE SIGNATURE OF SUPERVISOR 900202 08 5043 PN MITRA BT MOHD ADDI NEW IC NO PASSPORT NO NAME OF SUPERVISOR Date 23 JUNE 2013 Date 23 JUNE 2013 NOTES ji If the thesis is CONFIDENTAL or RESTRICTED please attach with the letter from the organization with period and reasons for confidentiality or restriction I hereby declare that I have read this thesis and in my opinion this thesis is sufficient in terms of scope and quality for the award of the degree of Bachelor of Electrical Engineering Electr
12. age Program Off data EEPROM Read Protect Off Flash Program Write Protection Off Code Protect define define sw2 RB2 define led RC0 define led2 RC1 define led3 RC2 define pulse RC3 58 define direction RC4 define en RC5 function prototype void delay unsigned long data void rotate void global variable unsigned char on 0 ccw 0 run 0 main function void main void unsigned char turn 0 TRISA 0b11111111 set PORTA as input TRISB 0b11111111 set PORTB as input TRISC 0B00000000 set PORTD as output PORTC 0 clear POR TC ADCON 1 0b00000000 set PORTA as analog input left justified ADCON0 0b0100000 1 configure ANO as analog channel led1 0 led2 0 led3 0 59 while 1 if sw2 while sw2 0 continue wait switch 3 to release delay 6250 wait 50ms to prevent bouncing error at switch on 1 ccw 1 run 1 Anterchange between run and stop for each press cew on Ex OR with 1 led3 1 Anterchange between on and off for each press led3 led3 Ex OR with 1 while sw2 Aoopinng if no button is pressed if on on 1 en 1 set enable if ccw ccw 1 direction 1 set direction pin on motor driver CCW if run run 1 for int seq 0 seq lt 4 seq int multiplier for int count 0 count lt 500 count
13. an terhasilnya idea mewujudkan satu mesin memasak secara automatik Mesin memasak secara automatic ini terdiri daripada gabungan beberapa peralatan asas memasak yang dapat membantu manusia dalam menyediakan hidangan masakan mereka Pada amnya mesin memasak secara automatic ini mempunyai beberapa modul memasak seperti pemanasan pengeluaran bahan bahan pengacau pembersihan dan modul pengawal kebakaran Kesemua modul memasak ini akan tertumpu kepada satu stesen sahaja Mesin memasak secara automatic yang direka khas untuk projek ini akan dapat membantu pengguna dalam menyediakan satu hidangan asas dimana pengguna hanya perlu menekan satu butang khas yang terdapat pada mesin ini Mesin ini juga mempunyai alat pengawal masa yang bertujuan mengawal tempoh masa bagi setiap process memasak Pemacu motor diperlukan untuk mengawal motor pelangkah dalam yang terletak berhampiran kotak makanan yang mengandungi beberapa bahan bahan memasak Papan Arduino digunakan sebagai pengawal mikro yang akan mengawal perkakasan yang terdiri daripada beberapa peralatan memasak Reka bentuk ini akan membantu dalam aktiviti memasak serta menjimatkan banyak masa dan tenaga pengguna CHAPTER TABLE OF CONTENTS TITLE DECLARATION OF THESIS DEDICATION ACKNOWLEDGEMENT ABSTRACT ABSTRAK TABLE OF CONTENTS LIST OF TABLES LIST OF FIGURES LIST OFSYMBOLS AND ABBREVIATIONS LIST OF APPENDICES INTRODUCTION 1 1 Background of Project 1 2 Problem Statement 1 3 Objec
14. as the main medium to serve this type of dishes French fry and barbeque are the several types of Western dish that implemented in an automatic cooking machine 16 2 4 1 Automatic Food Cooking Machine for Barbeque This automatic cooking machine is based on heating process and look like an oven to cook a food such as barbeque 5 The main components of this machine are heating part and also the conveyer that will rotate the food inside this machine Figure 2 9 shows the overall part of this machine Figure 2 9 Automatic barbeque cooking machine This machine is made of metal that will help in heating process but the outside is covered with insulator to reduce heat transfer to outer of this machine From the Figure 2 9 we can see this machine use conveyer as a medium to rotate the food inside this machine A pair of parallel shafts inside this machine work as gear to operate the conveyer The shaft is connected to speed gear motor Along this conveyer flat basket that is connected at the conveyer chains with rods and a pair of lug The size of basket is depending of the size of food that wants to cook inside this machine The foods enter from door and place on the parallel basket then pass through the heating elements and oven 17 The conveyer will rotate in clockwise direction At the bottom left of this machine there is located sauce tank to give some flavor of the food During the cycle of conveyer food will be dip into th
15. chamber is where the bunch of noodles was stored before sent to cooking chamber for cooking boiling process The bunch of noodles in the container was placed between two adjacent radial blades The rotary shaft will rotate the drum The rotation of drum was controlled by stepper motor below the drum The container will placed on by one into cooking table when motor is rotated Between the refrigeration chamber and cooking chamber the inclined guide chamber was placed as transfer medium for the container Figure 2 13 shows the overall this machine Rotary shaft i TN s RL Sari Ty E Tt IT Im tise aa PER Stepper motor Figure 2 13 Basic design of automatic cooking machine for boiled noodles 23 The bunch of noodles in the container was placed between two adjacent radial blades The rotary shaft will rotate the drum The rotation of drum was controlled by stepper motor below the drum The container will place on by one into cooking table when motor is rotated Between the refrigeration chamber and cooking chamber the inclined guide member was placed as transfer medium for the container After the container placed on the cooking table the boiling noodles will start A hot water tank which is provided with heater will supply the hot water into the container It is placed directly above the cooking table The amount of hot water that will use to boil the noodle was controlled by conve
16. cial sguare hole is built 48 Ingredients Motor External Cylinder Figure 4 1 Feeding compartment installation In this project a soup based dish is used to test the operation of the automatic cooking machine Three ingredients were loaded into the feeding compartments which are the soup paste minced chicken and fried onion The hole on the cap is set to meet the flat surface of feeding cylinder The motor will rotate the cap which automatically rotates the position of the hole which allows cooking ingredients to drop through the hole 49 4 2 Cooking Process The automatic cooking machine was tested using a soup based dish The Figure 4 2 shows the full set up of the automatic cooking machine The first step is to boil the water inside the cooking pot Time taken to boil the water depends on the thickness of the cooking pot In this project thin cooking pot as shown in Figure 4 3 was used to save the boiling time And reduce the waiting time for the soup to cook N Figure 4 2 Full set up of the cooking system 50 Figure 4 3 Cooking pot The time taken for water to boil was recorded Once the water is boiled the feeding compartment will be automatically ON The motor will start rotating and causes the hole on the hollow cylinder to move its position to the first compartment and start dropping the soup paste After 30 seconds the motor will rotate and minced chicken is dropped and follo
17. ctangular bins batch of potatoes The process begins when the one of the bin is opened The opening of bin was controlled by release door and pivot shaft Then the batch of potatoes will drop into potato s channel and go inside the wire basket The wire basket will operate with another container look like a bowl that transmits the batch of potatoes into the cooking oil for frying process The movement of bowl is controlled by piston that connected with piston forming rod This rod will move up and down by an operating motor After batch of potatoes is already cooked the motor will lift the rod up into the wire basket and sent to the chute leading to a compartment The potatoes then will put inside the tray and ready to pick up by customer This machine is contains of removable and replacement tray wire basket piston frying station and chute Removable and replacement tray are working as food storage to store uncooked the batch of potatoes The wire basket and piston are work as the feeding part before it was sent to frying station The chute is used to dry out the oil and sent the batch of fried potatoes to the user 2 5 2 Automatic Cooking Machine for Boiled Noodles The machine was built for boiled noodles in Japan and designed by Tatsui Tsunoda and friends 8 This machine is built with the vending machine 22 The basic component of this machine is divided into two parts refrigeration chamber and cooking chamber Refrigeration
18. e cooking and feeding module Both these module can be implemented in this project to make it simpler This proposes design also suitable for home application and will reduce the time and energy of the user CHAPTER 3 RESEARCH METHODOLOGY This chapter discusses about the overall project implementations and how it is done throughout two semesters It consists of five parts which includes the general construction project overview hardware design electrical design and software development 3 1 Basic Construction To design an automatic cooking machine several cooking process should be used For this project heating and feeding elements are used to cook certain food Cooking induction is used as heating elements while the stepper motor is used to control the feeding part All the cooking elements are placed at retort stand that work as a holder for the cooking elements In this project soup based dishes are preferred to complete the cooking process by just press a button Acrylonitrile butadiene styrene ABS is a material used for feeding part that designed to store the cooking ingredients before it drop into the cooking pot Figure 3 1 shows the example of ABS material 26 Figure 3 1 ABS material 32 Project Overview i t Pa Microcontroller Food Teeny te Switch ON serve Figure 3 2 Project block diagram Figure 3 2 shows the basic block diagram of the overall system of this project The ingred
19. e sauce tank and drip the excess sauces when the basket in vertical position This process continuous until the food is cooked Speed gear motor Figure 2 10 Movable runner and speed gear motor When the food is already cooked a pair of movable runners will put outwardly from the oven and over the sauce tank to collect the cooked food After finish new uncooked food can be placed inside this machine by pushed back the movable runners to the center of the oven Figure 2 10 shows the movable runner and speed gear motor In this machine the feeding part is consist of conveyer that rotated by the speed gear motor The ingredients is placed on the conveyer and sent to difference cooking station Oven is used and placed inside this machine that function as cooking element 18 2 4 2 A New French Fry Automatic Cooking Machine This machine is improved of the previous french fry automatic cooking machine This machine use cooking oil to fry the french fry 6 Cooking oil is placed inside the cooking basket All mechanical movements are controlled by microprocessor unit Figure 2 11 shows the system of this machine Air Filtration System sP a A Container 59 X lt 100 82 M H IT RS AWA A U n G RE RR Figure 2 11 French Fry Automatic Cooking Machine The process begins when container that contains french fry is pushed inside the machine through access window The container then stayed at container
20. g for Arduino to set the timer for each of the cooking components 46 if digitalReadftoggle HIGH d3elay bounceDelay if digitalRead toggle HIGH digitalUriteflight HIGH f f on the green LED as indicator delay 1000 digitalUrite cooker HIGH f start ON the cooking induction delay 120000 f delay for 2 minutes digitalVrite feed HIGH stepper motor start to rotate delay 60000 f delay for 1 minutes digitalUrite feed LOW f turn OFF the stepper mototr delay 2000 digitallJrite cooker LOW ZZ turn OFF cooking induction while digitalRead toggle HIGH digitalWrite light LOW digitallrite cooker LOW digitallrite feed LOW Figure 3 26 Timing for cooking component In the Arduino to set the 1 second for the delay we just put 1000 on the delay command CHAPTER 4 RESULTS AND DISCUSSION This chapter discusses on the results obtained from the experiments and solutions on problems faced during the progression of this project 41 Feeding Mechanism The feeding mechanism in this project is designed to be a rotating type Figure 4 1 shows the installation of the feeding cylinder The cylinder has 3 compartments to store the cooking ingredients It is fixed to a cap which is a hollow cylinder with one of its end closed The closed end has a hole to allow the cooking ingredients to drop The stepper motor is connected at the top of the cylinder where spe
21. ic Electronic Signature S al EAE SORATA Name of Supervisor Pn Mitra bt Mohd Addi Date 23 June 2013 AUTOMATIC COOKING MACHINE MOHAMAD NAZREEN BIN IBRAHIM A thesis submitted in fulfillment of the requirements for the award of degree of Bachelor of Electrical Engineering Electric Electronic Faculty of Electrical Engineering Universiti Teknologi Malaysia JUNE 2013 ii ACKNOWLEDGEMENT In the name of Allah The Most Gracious and The Most Merciful Praise be to Allah for His blessings in allowing me to complete my project First and foremost I would like to express my deepest appreciation to all those who provided me the possibility to complete this thesis A special gratitude I give to my supervisor Puan Mitra bt Mohd Addi whose contribution in stimulating suggestions and encouragement helped me to coordinate my project during the two semesters In addition I would like to express the thousands of thanks to Dr Fauzan Khairi bin Che Wan for lending me his times to give an idea and guidance in completing my final year project My deepest gratitude also goes to my parents for their unflagging love and support throughout my life with their blessing Last but not least many thanks go to my beloved friends who have involved directly or indirectly and always there for me during my critical time in finish up this project Overall thanks a lot to all of you iii ABSTRACT Cooking is becoming a challenging tas
22. ients are placed first in the feeding compartment before the switch is ON The project comes along with the toggle switch that works as switch that control all the operation of the system When toggle switch is on the microcontroller will ON and starts operates and decide which cooking process needs to start first 27 To control the feeding part stepper motor is use an attached on top of the feeding compartment The motor will rotate the cylinder inside feeding compartment and the ingredients will drop one by one into the cooking pot The cooking pot is placed on the cooking induction below the feeding compartment Figure 3 3 shows the arrangement of the overall system na N Cooking Induction Figure 3 3 Arrangements of the cooking system All the cooking process is controlled by the microcontroller after the switch is ON The main important part for this project is the timing and delay of every cooking element to start it work Figure 3 4 shows the flow chart of this project 28 ON the main power supply ON the power button Heat pot on cooking induction 2 minutes Pour water from motor pump into the pot 1 minute Turn ON feeding mechanism Drop ingredients into pot Leave the ingredients inside the pot 2 minutes OFF cooking induction Figure 3 4 Flow chart of the system 3 3 Hardware Design Hardware part is one of the most important parts in designing and automatic cooking machine Fo
23. ilbur Feb 27 1986 Automatic Cooking Machine Washington U1 Group Frederic A Slicher G E J G Westchester both of lll 1972 Automatic Machine for Vending Fried Foods Slicher by said Gaysowski Tatsui Tsunoda S O Kazuma Miyamoto Makoto Matsumoto Heiji Baba Feb 7 1975 Automatic Cooking and Vending Machine for Boiled Noodles Japan Kawatetsu Metrological Equipment and Vending Machine Company Ltd Nishinomiya Japan Greg Jankowski R D 2008 SolidWorks for Dummies Wiley Publishing Inc Minebea Stepping Motor Data sheet 2013 Minebea Matsushita Motor Corporation PIC16F87XA Data Sheet 2003 Microchip Technology Inc 12 13 14 15 56 General purpose Relay Data Sheet 2003 Omron Corporation Gookin D 2004 C For Dummies 2nd Edition Canada Wiley Publishing Inc UICOOB USB ICSP PIC Programmer User s Manual 2011 Cytron Technologies Mcroberts M 2009 Arduino Starters Kit Manual A Complete Beginners Guide to the Arduino Earthshine Design 57 APPENDIX A SOURCE CODE FOR PIC include lt pic h gt finclude header file configuration _ CONFIG 0x3F32 The configuration bits 0x3F32 is used to make configure the correct setting for this PIC Ox refers to Hexadecimal whereas 3F32 means Set the oscillator as high speed HS 4MHz to 20MHz crystal Off the Watchdog Timer On Power On Timer Off Brown Out Detect Disable Low Volt
24. ily control the type of movement Figure 3 8 shows the motor driver used For this project we just created four segments at the cylinder where three is used as ingredients storage and another 31 segment is reserved for initial state of rotation to block the ingredient from flow out through the cap Figure 3 7 Stepper motor Figure 3 8 Motor driver To control the rotation the stepper motor we use PIC16F876A 11 and ready made from Cytron Technologies Some adjustment needs to be done so 1t follows the scope of this project All the compartment need to solder to the board based on schematic given Figure 3 9 shows the PIC16F876A before and after solder process 32 Figure 3 9 PIC16F876A circuit board 3 4 2 Microcontroller Design Microcontroller is the main of the system For this project we used PIC16F876A to control the stepper motor and Atmega328 that located in Arduino Uno board that will control the operation of every cooking components and the timing for each of them The Arduino Uno board will sent the output high to every component to ON them For this project we just used 4 output ports Digital I O Pins to control the cooking induction feeding compartment motor pump and indicator For this project LED is representative as the indicator Figure 3 10 show the Arduino Uno board that was used in this project 33 Digital Ground Digital I O Pins 2 13 Serial Out TX Serial In RX Analog Reference Pin
25. ingle button The proposed automatic cooking machine combines several basic cooking eguipments which includes a cooking induction and feeding mechanism The timing for each cooking seguence will be organized by a microcontroller 13 Scope of Project This project is divided into 2 main parts that involves the hardware and software part The hardware consists of a cooking induction feeding mechanism stepper motor and peristaltic pump The software part is used to control and design the hardware part SolidWorks is used to design the feeding part and Arduino and MicroC compiler MPLAD IDE to control the stepper motor and timing of each component in cooking process 14 Summary of Work Figure 1 1 and Figure 1 2 show the summary of work for the overall project Researchon possible project LiteratureReview Proposal Development of hardware FYP Presentation Project Report Figure 1 1 Gantt chart for Final Year Project FYP 1 ma Testing amp verification Isa Troubleshooting amp Optimization Final Report Draft Final Seminar Presentation Final Thesis completion INN Figure 1 2 Gantt chart for Final Year Project FYP 2 15 Thesis Organization The first chapter introduces the project in brief This chapter describes the background of the project the problem statement objectives and the scope of the overall project which are related to the development of an automatic cooking machine The
26. ion Force F1 and F2 will rotate the elasctic axis in clockwise and the film the covered the ingredients will tear out an the ingredients will drop into the wok one by one The timing is set by the microcontroller 15 The mechanism of leaving the material in the middle process is important in serving the Chinese food This mechanism will works together with wok mechanism Some of the ingredients need to fry first so this mechanism needs move up and down and turn over process to achiece this mechanism For the control system for this machine it uses micro processor MC56F8322 that will control all the cooking process inside this machine The C programming language calling OpenGL API library functions is used to design the control system for this machine For the fire control unit to prevent any unwanted accident during cooking process CO concentration sensors are used for safety monitoring In this machine cooking step is divided into five mains part that is wok movement mechanism stirrer feeding mechanism mechanism of leaving the material out in the middle cooking process and fire control system For the feeding part the conveyer was use to bring all the ingredients into the wok This machine also has a timing that controlled by microcontroller to control the all the cooking process 2 4 Western Dishes Beside Asian dishes an automatic cooking machine for Western dish also presented by the designer Western dish mostly use oil
27. k nowadays especially to those who are having a hectic and busy schedule A lot of time is spent in preparing ingredients cooking itself and cleaning With the advancement in technology these conditions can be overcome with an automatic cooking machine An automatic cooking machine is a system that combines several basic cooking equipment to help human in cooking activities Basic automatic cooking machine contains of several module such as heating feeding stirring cleaning and fire control module All cooking sequences are centered at a station The automatic cooking machine designed in this project able to cook basic dishes just by the press of a single button on it It has a timing control to control all the cooking process inside this system A motor driver is used to control the stepper motor for the feeding compartment where all the ingredients are placed An Arduino board is used as a microcontroller that will control the hardware that consists of several cooking equipment The design will help in cooking activity as well as saving a lot of time and energy of the user iv ABSTRAK Memasak merupakan satu aktivit yang sangat mencabar terutamanya kepada mereka yang mempunyai jadual masa yang sibuk dan padat Banyak masa dihabiskan dalam menyediakan satu hidangan bermula dari menyediakan bahan bahan memasak proses memasak dan juga kerja kerja pembersihan alatan memasak Dengan kemajuan Teknologi pada hari ini keadaan ini dapat diatasi deng
28. mon Same oan jon 10 pev esma nma e on ssn ua 09 to 1 1 VA 60 Hz wass 10 min ew 100 E Note 1 The rated ourrert and ooi resistance are measured at a coil temperature of 23 C with tolerances of 15 20 for rated our rents and 19 for DC ooil resistanoe 2 Performance characteristic data are measured at a coll temperature of 23 C 3 AC coil resistance and impedanoe are provided as reference values mt 60 Hz 4 Power consumption drop was measured for the above data When driving transistors oheck leakage current and connect a bleeder resistor required 5 Rated voltage denoted by will be manufactured upon request Ack your OMRON representasve omRon mg CONTACT RATINGS a SS Eo OII WT Ea Huma Hum cong 1 Re rae Une Tm One ir SA 230 VAC 2A 230 VAC 3 A 250 VAC 0 6 A 250 VAC 3A 250 VAC 0 6 A 250 VAC 24 30 VDC Sheek Orr 1 3 A 30 VDC 3 A 30 VDC 1 5 A 30 VDC Carry ourrert 10A See Note 5A See Note 250 VAC 230 VAC 125 VDC 123 VDC Ep P Max switohing 2 500 VA 1250 VA 1 250 VA 300 VA 1 250 VA 500 VA capacity 300 w 300 w 1320 W 130 Ww 130 w 130 W Note Do not exoeed the oarry ourrent of a Socket in use CHARACTERISTICS Contact resistance 100 m2 max JOperate time Omma O Max operating Mechanical 18 000 operasons hr frequency Elenos 1 600 operatonsin under rated load Vibration resistance Destruction 1
29. ntional timer Then the cooking table is rotated about its position to drain the hot water out of container to reservoir After draining process concentrated broth inside the broth tank is poured into the container through supply pipe The supply pipe was provided with conventional electromagnetic valve and broth is mixed with the new hot water supply This machine consists of refrigeration and cooking chamber The feeding part of this machine is consist of bunch of noodles in the container rotary shaft stepper motor and electromagnetic valve Stepper motor is used to control step by step of food container into the cooking chamber while the electromagnetic valve control the flow of broth into container To cook the noodles heater is used as cooking components to heat the water for boiling the noodles inside the cointainer Conventional timer is used to set the time reguire for noodle to cook before it sent to the user 24 2 6 Advantages and Disadvantages Based on the research of previous researches most of the automatic cooking machines are complex and only suitable for commercial or industry use Although all of these automatic cooking machines are complete in cooking equipments but the size will become the problem for the user to store or placed in their house So this problem will lead in designing a new automatic cooking machine that is simpler and affordable in price The most important part in an automatic cooking machine is th
30. ol system cleaning and fire control module This entire module is centered into a station and working in the same place The design of automatic cooking machine is different and based on what type of food produced Based on the research on several cooking machine the application of this machine can be divided into different types of food such as pastry maker Asian dishes Western dishes and automatic vending machine 2 2 Pastry Maker Pastry is one of the dishes that are made from flour as the main ingredients This type of dish can serve itself using an automatic cooking machine Special automatic cooking machine was built to serve a doughnut as the output All the process to make a doughnut is placed inside this machine 2 2 1 Automatic Doughnut Cooking Machine This machine was built to produce a doughnut with all the processes were conducted by a machine and designed by Louis Snyder 1 This is one of the first an automatic cooking machine that was presented Figure 2 1 shows the diagram of this cooking machine Figure 2 1 Automatic Doughnut Cooking Machine The dough that already made to make a doughnut was sent to the specific container where the dough is stored and ready to use The dough then compressed and cut Into needed amount This process will take place in cutter vessel After that the dough will sent into the hot grease for cooking process The doughnut then placed on basket and travel under the wires until
31. ontrol board with programming circuit to operate each mechanical movement Figure 2 2 shows the overall system of this machine IN TAS 402 7S T Figure 2 2 Overall system for the machine The process begin when the tank is filled with hot water through articulated assembly The level of water is controlled by switch that control the opening of valve that control the amount of water to be load inside the tank Below the basket burner is located for next cooking process One or more burner is needed to heat the basket than contained food that want to cook to make sure heating process work perfectly Figure 2 3 shows the location of burner 10 Figure 2 3 The location of burner To avoid any problems regarding heating process or burner process conventional thermocouples and warning lamps are provided inside this machine that controlled with valve To convey smoke and combustion products that are produce during heating process special container was designed on top of the tank that called chimney So the smoke will release to surrounding with safely The food inside the basket will remain inside the basket and deep into the tank that contain a hot water until it perfectly cooked Timer control is provided to control the accurate time for the certain types of food to be cooked After the food is cooked basket is lift up from the tank and move from KI to K2 refer Figure 2 2 At the same time the burner controller will sto
32. oposes some improvements for future advancement to enhance the application of this project 5 1 Conclusion The development of an automatic cooking machine can be done by combination of several basic cooking equipments In this project soup based dishes is choose as food sample Starting with the pre heat the cooking induction until all the ingredients are dropped into the cooking pot are controlled by the Arduino Uno microcontroller There are several methods that can be used in feeding part to deliver the ingredients into the cooking pot such as using a conveyer and just using a stepper motor Using a conveyer is more practical than using a motor because it can store or placed a lot of ingredient on it before its ready to send into the cooking pot In this 54 project stepper motor is used to reduce the cost and it s suitable with the design of feeding compartment in this automatic cooking machine The timing of each components are varies depend on the ingredients used Several experiments are done to get the correct timing for the dish to cook Starting with the time taken for the water to boil inside the cooking pot ingredient dropping and last but not list the time reguire for the dish to complete cooked The overall time taken to complete soup based dish in this project is about 4 minutes before the user can take out the soup from the cooking pot In conclusion the project is successfully implemented and the objectives of the
33. p the heating process The contents inside the basket will place into a hopper that located above the basin and ready to pick The process will start from the beginning from the first step after all the food inside the basket is already placed into the basin The burner play an important part in this automatic cooking machine as cooking module Valve is used to control the amount of water inside the tank The timer is set to different type of food to check weather the food is already cook or not This machine used chimney to control the amount of smoke that are produced during the burning process to the surrounding 11 2 3 2 Computer Controlled Fully Automatic Short Order Wok Cooking System For Preparing Stir Fried Chinese Food In this machine computer played an important role in running this an automatic cooking machine 3 Computer will control the operation of conveyer movement cooking process and dispensing process Figure 2 4 shows the operation of this machine Side View 24i Plan View Pre heat station Feeding mechanism 32 9 a 95 Era A 26 O22204 eh eT NN X NN 7 f 2 24e ta Figure 2 4 Overall machine preview At every station stirrer is placed to make sure all the ingredients inside the wok will cook nicely At the end of the station sauce is added inside the wok to give some flavor to the food that already cooked After food is cooked it will deliver to a serving container a
34. project are achieved to design an automatic cooking machine with just press a button 5 2 Recommendations To make this project more marketable in the future some improvement and adjustment are required on this project To cook different types of food usually need a lot of ingredients that need to prepare So to overcome this problem the feeding parts need to justify and increase its size and the number of ingredient s compartment Next to improve the guality of cooking stirrer is need to locate inside the cooking process so that all the ingredients are perfectly cooked Mechanical stirrer is suggested so it can be timing with the microcontroller 10 11 REFERENCES Snyder L June 10 1932 Automatic Doughnut Cooking Machine Alfio P Sep 20 1982 Automatic Machine for Cooking Soup Paste Rice Pot Herbs or Other Food Stuffs in Water Italy Angelo Po Grandi Impianti S P A Mak S M Jul 27 1988 Computer Controlled Fully Automatic Short order Wok Cooking System for Preparing Stir fried Chinese Food United State of America Larry B Harvey Yan W X S J T U Robotics Res Inst Et Al 8 10 Oct 2006 A New Automatic Cooking Machine for Chinese Dishes Automation Science and Engineering 2006 CASE 06 IEEE International Conference On 534 53 Gongwer N G D Jun 12 1984 Automatic Food Cooking Machine Nelgo Manufacturing Corporation Maurice Tate O C Fla Robert L Thompson John H W
35. r this project feeding part is needed to be designed The design process is done by using SolidWorks2010 software 9 It categorizes into three main 29 parts that is cylinder cap and motor external Figure 3 3 1 shows the all three designs Figure 3 5 Feeding compartment Cylinder is works as place to store the ingredients before it will drop into the cooking pot Cap plays as a holder for the cylinder After the ingredients is placed inside the cylinder then it will cover by the cap before inverted while the motor external is connected to the stepper motor and placed on top of the cylinder Both cylinder and stepper motor are hold with clamp along the retort stand to make the cylinder will rotate smoothly during dropping the ingredients inside the cooking pot The 3D printer is used to print out all of this design Figure 3 6 shows the 3D printer that was used 30 Figure 3 6 3D Printer 34 Electrical Design The electrical design and circuit connection need to modify to make sure all this cooking component will work automatically just by press a button There are five main parts which includes stepper motor microcontroller design switching relay motor pump and power supply 3 4 1 Stepper Motor Stepper motor 10 is used to control the rotation of feeding compartment Figure 3 7 shows the stepper motor used To control the rotation of motor first things we used motor driver to generate the motor and can eas
36. rate a delay of 20us the value that we need to put for delay x is x 20us 8us 1 6 25 6 if ADRESH 0 pulse 0 63 stop else if 255 ADRESH lt 6 maximum speed control by potential meter 1 6 pulse 1 delay i pulse 0 delay i else i 255 ADRESH pulse 1 delay i pulse 0 delay i read resultant ADC value from ADRESH set pulse pin on motor driver delay time depend to the ADC value clear pulse pin on motor driver the higher the value of ADRESH the faster the steps change set pulse pin on motor driver delay time depend to the ADC value clear pulse pin on motor driver 64 APPENDIX B SOURCE CODE FOR ARDUINO int toggle 2 the number of the toggle switch pin int light 4 the number of the LED pin int feed 6 Int cooker 8 long bounceDelay 200 increase this if your output is unstable flickers void setup pinMode toggle INPUT pinMode light OUTPUT pinMode feed OUTPUT pinMode cooker OUTPUT digitalWrite toggle HIGH digitalWrite light LOW digitalWrite feed LOW digitalWrite cooker LOW void loop if digitalRead toggle HIGH delay bounceDelay if digitalRead toggle HIGH 65 digitalWrite light HIGH on the LED as indicator delay 1000 digitalWrite cooker HIGH start ON the cooking induction delay 120000 delay for 2 minute
37. receptacle Then the container receptacle will rotate about receptacle rod This process is important to make sure food inside the container will cook wisely inside the cooking basket that contains the cooking oil After certain time microcontroller decide that food is already cooked and lift up and rotated about basket rod to rinse the excess oll Inside the food Then the cooked food will placed inside its original place and ready to serve 19 This machine is divided into several parts and system The Flushing Cycle inside microcontroller For this part flushing timer is used inside microcontroller This timer will control the on off of the machine time for heating process and control when the draining process should be start Air Filtration System Exhaust fan that located on top of the machine is used to suck air or heat inside the machine and sent out to surrounding during cooking process The air is filtered first by three activated charcoal filters before it sent to surrounding So smelly odor from cooking process will filter out The Dumping Mechanism Where the container that contains food is sent to container receptacle and it will deep the food into hot cooking oil Fire Extinguisher Operation It s made of glass bulb that will detect the temperature greater than 2120 F The liquid inside this bulb will explode and discharge the fire extinguisher Microprocessor will detect the change of fire extingui
38. s digitalWrite feed HIGH stepper motor start to rotate delay 60000 delay for 1 minutes digitalWrite feed LOW turn OFF the stepper mototr delay 2000 digitalWrite cooker LOW turn OFF cooking induction while digitalRead toggle HIGH else digitalWrite light LOW digitalWrite cooker LOW digitalWrite feed LOW APPENDIX C STEPPER MOTOR DATASHEET NMB MAT Minebea Matsushita Motor Corporation NAME Outline DEPTH 0 157MIN 66 67 APPENDIX D PIC16F876A DATASHEET 2 Sf 68 APPENDIX E RELAY DATA SHEET Ordering Information E RELAYS Standard Coil Polarity Standard with LED indioator With LED indicator and test button Note 1 When ordering add the rated coil voltage to the model number Rated coll voltages are given in the coil ratings table Example MY2 AC8 S t Rated oci voltage 2 Aro barrier standard on all four pole relays 3 Other models also available such as three pole versions flangemount PCS eto Contact your Omron Representative for details omron Ordering Information continued from previous page Reverse Coil Polarity Note 1 When ordering add the rated oil vokage to the mode number Rated coil voltages are given in the coil ratings table a aan ay Rated oof voltage 2 Aro barrier standard on all four pole relays Specifications mg COIL RATINGS vee ni approx mor a
39. sher and it will shut down all the operation inside this cooking machine The feeding part is the main part of this project The rotation of the container along the rod is controlled by microprocessor wheater the french fry is cooked or not Specific motor is used to do the rotation process The technigue is used to cook the fries is by deeping the container inside the cooking oil Fire extinguisher operation also build up inside this machine to control the any accident during the cooking process 20 25 Vending for Automatic Cooking Machine Some of the automatic cooking machine are designed with the vending machine for commersial use The design of this types of cooking machine is more complex and bigger in size 2 5 1 Automatic Machine For Vending Fried Food This machine was designed by Frederic A Sicher and friends 7 This machine is works with the combination of vending machine that will decide whether the machine can operate or not The output of this machine is to serve the batch of fried potatoes Figure 2 12 shows the overal preview of this machine Removable tray Figure 2 12 Overall preview of fried potato 21 Electrical operating and control circuitry were used to control the vending machine and all the mechanical systems Timing and drive motor were used also in cooking process where the potato is deep into the cooking oil The machine contains of removable and replacement tray that contains the 49 re
40. t delivery station 12 Next the wok will enter the cleaning station where all the raw material that remains inside the wok will clean and ready to use in next cooking process At this moment the wok will be inverted Hot water and soap are ejected into the wok through small pipes Air steam and clean water is blasted to dry the wok and now the wok is ready to enter the cooking stations The machine is divided into several stations Conveyer is used to bring the wok into the different station Three feeding mechanism is placed on top of the conveyer that contain three different ingredients Stirrer also placed during the cooking process to stir the ingredients inside the wok Additional feeding part also uses to pour sauce into the dish This machine is almost complete when it contains the cleaning station inside the machine that will clean the used wok and start the new cooking process 2 3 3 A New Automatic Cooking Machine for Chinese Dishes This machine is designed to serve the Chinese food with the basic of Chinese cooking technics 4 The idea came from the difficulties to serve Chinese food It is take a lot of time to finish every single dish So this automatic cooking machine will doing all cooking process automatically and can save a lot of time and energy Figure 2 5 shows how this machine looks like 13 Wok movement mechanism Stirring frying and dispersing mechanism The feeding mechanism The mechanism oflea
41. the doughnut is cooked After the doughnut is cooked then it is ejected to the chute or incline tray These machines use a lot of motor to compress the dough and also to rotate the doughnut in cooking process After the doughnut already cooked is automatically removed from the machine and ready to serve to customer In this machine there are several cooking components involved that are storage compartment cutter vessel hot grease and incline tray Storage compartment is use to store the dough before it was sent for cooking process Cutter vessel is located inside this machine to cut the needed amount of dough The function of hot grease is where the doughnut is cooked and incline tray is used to place the cooked doughnut and sent to the user of this machine 2 3 Asian Dishes In designing an automatic cooking machine Asian dish become one of the famous choice for the developer as the output dish for their machine The steps in making Asian dish such as Chinese food is very complex and reguire a lot of time if serve it manually Some of the automatic cooking machines are built to overcome this problem 2 3 1 Automatic Machine For Cooking Sour Paste Rice Pot Herbs Or Other Food Stuff In Water This automatic cooking machine is designed for cooking process that involved the use of water to cook it 2 The main components of this machine are the burner temperature control and timing process This machine also use a lot of conventional c
42. the feeding compartment for this project we just use basic shape as a cylinder After finish the design it should save in stl format so we can send it for the printing process Three main parts are designed using this software with certain measurement Table 3 1 shows the measurement of the feeding compartment using SolidWorks 2010 Table 3 1 Measurement for feeding part Cylinder 50 80 Cap 51 85 Motor external 40 42 3 5 2 MicroC for Peripheral Interface Controller PIC MicroC is the software that used to write and compile the program for stepper motor in feeding part C language 13 is used to write the command MPLAB IDE is used as a platform for the code Figure 3 22 shows the overview the MPLAB IDE software from MicroC FAW stepp MPLAB IDE v8 60 py File Edit View Project Debugger Programmer Tools Configure Window Help Dek Sth w 2 Debu ccc Bead ae Checksum 0x1605 T stepp mcw zz 3 J C Users zeppil Desktop Stepper PSM Project Source Code PR7 PR7 c o e J zz J stepp mcp Fans S E source Files E pr7 c BI Header Files Object Files BI Library Files BI other Files Gi Fies Symbols PIC16F877A i bankO Ln86 Col1 INS WR Figure 3 22 MicroC compiler MPLAD IDE For this project to control the rotation the stepper motor we divided the rotation into four steps Each step is set to rotate about 90 degrees and add some
43. tives 14 Scope of Project E Summary of Work 1 6 Thesis Organization PAGE ii iii iv viii ix xi xii T O N N e me THEORY AND LITERATURE REVIEW 2 1 Introduction 2 2 Pastry Maker 2 2 1 Automatic Doughnut Cooking Machine 23 Asian Dishes 2 3 1 Automatic Machine For Cooking Sour Paste Rice Pot Herbs Or Other Food Stuff In Water 2 3 2 Computer Controlled Fully Automatic Short Order Wok Cooking System for Preparing Stir Fried Chinese Food 2 3 3 A New Automatic Cooking Machine for Chinese Dishes 24 Western Dishes 24 1 Automatic Food Cooking Machine for Barbegue 24 2 A New French Fry Automatic Cooking Machine 2 5 Vending for Automatic Cooking Machine 2 5 1 Automatic Machine for Vending Fried Food 2 5 2 Automatic Cooking Machine for Boiled Noodles 2 6 Advantages and Disadvantages METHODOLOGY 3 1 Basic Construction 32 Project Overview 33 Hardware Design 3 4 Electrical Design 3 4 1 Stepper Motor 3 4 2 Microcontroller Design 3 4 3 Switching Relay O GO nN Aa A DN 11 12 15 16 18 20 20 21 24 25 25 26 28 30 30 32 33 vi vii 3 4 4 Motor Pump Control 36 3 4 5 Power Supply 39 3 5 Software Development 40 3 5 1 SolidWorks 2010 41 3 5 2 MicroC for Peripheral Interface 42 Controller PIC 3 5 3 Arduino Uno Board Atmega328 43 4 RESULTS AND DISCUSSION 47 4 1 Feeding Mechanism 47 42 Cooking Process 49 4 3 Cost of the Project 52 5 CONCLUSION AND RECOMMENDATIONS 52 5 1 Concl
44. tor pump to deliver the water into the cooking pot Figure 3 16 H bridge L293DNE 38 Figure 3 17 shows the schematic of H bridge L293DNE and how it is connected with the Arduino Uno board L293NE or SN754410 Connect to POWER to enable motor Connect to GROUND to disable motor IC Power 5V Motor Logic Pin 1 Motor Terminal 1 HEAT SINK AND HEAT SINK AND GROUND GROUND Motor Terminal 2 Motor Logic Pin 2 Motor Power Supply FUNCTION L low H high X don t care Figure 3 17 Schematic for L293DNE Pin 3 and 4 is connected to motor pump while pin 8 and pin 16 are connected to 12V power supply and 5V Arduino Uno board voltage supply respectively All the connection is connected on protoboard Figure 3 18 shows the connection of L293DNE and Arduino Uno board H bride can control the direction of DC motor but for this project we just prefer one direction only to send the water into the cooking pot 39 Figure 3 18 L293DNE connection 3 4 5 Power Supply In this project two different power supplies are used 240V for the cooking induction while 12V 2A for Arduino Uno board PIC16F876A and relay supply Figure 3 19 show the 12V 2A adapter To make this system more automatically and to reduce the power supply source new circuit needs to design Simple circuit is drew on board and go for etching process Figure 3 20 show how 12V 2A is distributed to the microcontroller and the relay 40 Figure 3
45. usion 52 52 Recommendations 53 REFERENCES 54 Appendices A E 57 69 TABLE NO 3 1 4 1 4 2 LIST OF TABLES TITLE Measurement for Feeding Part Result for the Soup to Complete Cooked Cost of overall project vili PAGE 41 51 52 FIGURE NO 1 1 1 2 2 1 22 2 3 24 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 3 1 3 2 3 3 3 4 3 5 3 6 LIST OF FIGURES TITLE Gantt chart for Final Year Project FYP 1 Gantt chart for Final Year Project FYP 2 Automatic Doughnut Cooking Machine Overall system for the machine The location of burner Overall machine preview Overall preview of Chinese automatic cooking machine Wok mechanism Stirring and dispersing mechanism Feeding mechanism Automatic barbeque cooking machine Movable runner and speed gear motor French fry automatic cooking machine Overall preview of fried potato Basic design of automatic cooking machine for boiled noodles ABS material Project block diagram Arrangements of the cooking system Flow chart of the system Feeding compartment 3D printer PAGE 10 11 13 13 14 14 16 17 18 20 22 26 26 27 28 29 30 ix 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 3 21 3 22 3 23 3 24 3 25 3 26 4 1 4 2 4 3 4 4 Stepper motor Motor driver PIC16F876A circuit board Arduino Uno board 12V 10A relay Schematic for the relay Relay connection Circuit design for relay 12V DC motor pump
46. ving the material out in the middle cooking process The control system The control system Figure 2 5 Overall preview of Chinese automatic cooking machine At the wok mechanism the wok will move and shaking a little bit at it starting position This happened to ensure heat will separated evenly to the ingredient inside this wok This mechanism works together with dispersing mechanism Figure 2 6 shows the principle of wok mechanism motorl 2 conic gearl 3 conic gear2 4 rocker 5 motor2 6 rank Figure 2 6 Wok mechanism Stirring and dispersing mechanism is important in cooking process to make sure that food that we cook is not over cooked Stirring also important to make sure the sticky ingredients heated thoroughly and also to prevent some ingredients stick inside the wok after finishing cooking process Figure 2 7 shows the cover mechanism that used in this automatic cooking machine 14 Figure 2 7 Stirring and dispersing mechanism Next the most important mechanism is feeding mechanism that decided how the ingredients are inserted into the wok For this automatic cooking machine the ingredients are packed into corresponding cooking menu or dish The ingredients are sorted according it is priority to be put inside the wok Figure 2 8 shows all the ingredients are sealed with film and placed on the conveyer AI ZL TT j Figure 2 8 Feeding mechanism The conveyer will rotate clockwise direct
47. w by the fry onion after next 30 seconds Several experiments and observation were conducted to record the time taken to drop each ingredients of feeding compartment Table 4 1 shows the results of the time taken for each cooking sequence obtained for the soup to complete cooked The result is recorded based on time needed to start the operation of each process Table 4 1 Result for the soup to complete cooked Off the cooking induction 1 Pre heat water until its boiled 2 minutes 2 Drop the soup pastes 30 seconds 3 Drop the minced chicken 30 seconds 4 Wait the soup to cook 30 seconds 5 Drop the fried onions 10 seconds 6 After 3 minutes The automatic cooking machine took 4 minutes to complete a simple soup based dish The time may vary if the temperature of cooking induction is set at a different range Figure 4 3 shows the soup that already cooked using this automatic cooking machine Figure 4 3 Final Output of the Automatic Cooking Machine 52 4 3 Cost of the Project Table 4 2 shows the cost of the overall project The total cost of this project is RM550 00 Table 4 2 Cost of overall project Controlling stepper motor Cooking Induction RM90 00 Arduino board RM75 00 4 Adapter 12V 2A RM20 00 USB Cable USB IC SP PIC Programmer 7 Food Sample RM30 00 e Tr l C s CHAPTER 5 CONCLUSION AND RECOMMENDATIONS This chapter concludes the whole project and pr
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