Design and Implementation of a Four Parameter PMS
Contents
1. Moradshahi P Goubran R 9 Medical Measurements and Applications Proceedings MeMeA 2013 IEEE International Symposium on_ Digital Object Identifier 10 1109 MeMeA 2013 6549765 Publication Year 2013 Page s 345 349 AUTHOR S BIOGRAPHY Sramika Reddy P pursuing M Tech in VLSI amp Embedded Systems VLSI ES Department of ECE Sreenidhi Institute of Science and Technology Narayanaraju Samunuri M Tech in Embedded Systems with an experience of 11 years in Core Embedded System domain published International paper on Flex ray Communication and Implementation of Register Files in the Processor of Hard Real Time Systems for Context Switching Bhujanga Rao S Professor School Of Director Of Electronics Sreenidhi Institute of Science and Technology ISSN 2231 5381 http www ijettjournal org Page 36862. E Teminanor F Terminaivi EN S 2 GQ wg 2a Fig5 Entire Hardware Setup When Connected TERMINAL TO BROWSER USING PYTHON This is done using python open source file PYTHON The entire connected ARM kit when connected to a PC a terminal 1 9v is downloaded is opened and connected as shown in figure5 then the steps involved are This can interface and run on all hardware s This is used to read the terminal data on to the browser with an IP address The results are shown in figure 6 The results of temperature blood alcohol SPO2 pulse rate are found on the browser page The network of a system with a LAN connection can make use of any system to look after the patient data by the doctor This data is sent to the doctor continuously without any delay in the system provided continuous power supply and Ethernet connection Miet dalia pirm bg Cre Ml THLT Cirmas PATIENT MONITORING SYSTEM Temperature 37 C Blood Alcohol 783 Sp02 98 PR Value 72 Fig 6 Display on browser using python IV CONCLUSION The proposed system Design and Implementation of a Four Parameter PMS Patient Monitoring System Based On Embedded Linux WAS TESTED and the results are obtained on the browser for the doctor s view The work includes both transferring data and receiving data from patient to the doctor continuously V FUTURE SCOPE This system can also include other parameters like ECG respiratory sensors
3. Boot loader Kernel and Root File System and Porting Linux For developing applications like body temperature pulse rate blood alcohol blood saturation the ARM GNU compiler is used to generate the three elf32 files which are dumped on to ARM9 kit 8 ISSN 2231 5381 http www iyettjournal org Page 3684 International Journal of Engineering Trends and Technology IJETT Volume 4 Issue 8 August 2013 M RESULTS Power on ARM kit and PC e Open terminal exe on PC e Press connect on terminal screen e Buildroot login root e cd flaskr e python app py Terminal is shown below Connect la x r E tale Data bits Parity Stop bits Handshaking w Cumo sre es C rene e amp rone BeScan oa Be C 120 19200 Neg eo e ntse Heb C a00 C 2800 C 1280 C even C 15 C XON XOFF About Cao C 3e400 256000 7 e mak C RTS CTS X0l Qut G 3600 C500 C custom 8 C space C2 C RTSonTX M Setings ra nect Time Stream lo stom BR Rx Clear ASCII table _ Scripting a cs mo Set fe eee it TCR _Greph_ Remote sr ari Receive CLEAR fv Restr 3 3 ono CRE stattag Reg Resp E fee I Bh J Transit CLEAR fle 0 a r REAK Gore rs os M2 M3 P CR gt Send ldroot 00 la cd flaskr python app py 0 fstart e paper muer T saca44n pat Sy weo Map r E an4377 pdt E 2
4. to ADC 0 port The data is taken from the sensor to the ADC of ARM 9 6 ALCOHOL SENSOR MQ3 Fig 3 Alcohol Sensor The figure 3 shows Alcohol sensor MQ 3 which has very high sensitivity and has good resistance in disturbance of gasoline smoke and vapour The sensor could be used to detect alcohol with different levels of concentration with low cost and suitable for different application The data is collected from the alcohol sensor to ADC when there occurs change in the sensor 7 SERIAL COMMUNICATION The S3C2440 microcontroller itself has three serial ports which are UARTO UART1 ISSN 2231 5381 http www iettjournal org Page 3683 International Journal of Engineering Trends and Technology IJETT Volume 4 Issue 8 August 2013 UART2 The UARTO and UARTI1 can be combined as a functional serial port Mostly only three simply serial port functions are used they are send TXD and receive RXD and are respectively related to the connectors CON1 CON2 and CON3 which are three TTL serial ports 8 NELLCOR MODULE WITH A FINGER SENSOR Nellcor module MP 506 is used to detect the pulse rate and blood oxygen based on pulse oximetry from the patient with the help of a finger sensor Pulse Oximetry is the non invasive measurement of the oxygen saturation SpO2 Oxygen saturation is defined as the amount of oxygen dissolved in blood which is based on the detection of Haemoglobin and Deoxyhemoglobin 4 Two dif
5. International Journal of Engineering Trends and Technology IJETT Volume 4 Issue 8 August 2013 Design and Implementation of a Four Parameter PMS Patient Monitoring System Based On Embedded Linux Sramika Reddy P Narayanaraju Samunuri Bhujanga Rao S3 Sreenidhi Institute of Science and Technology M Tech amp VLSI ES amp Department of ECE amp JNTU Hyderabad Abstract The opportunity for alcohol addict ant patients to have real time constant monitoring of their health state is now possible by means of a portable and simple to use device This allow one to get preliminary domestic diagnoses of vital parameters like pulse rate body temperature oxygen saturation SPO2 and blood alcohol levels In this project an attempt has been made to design and develop a monitoring system for medical applications The real time processing and analysis of parameters such as pulse rate detection pulse oximeter body temperature data are taken from the application modules for transforming and storing using ARM 9 The projected device is a patient adaptive embedded system able to provide clinical diagnoses of the monitored patient s data to the doctor The Nellcor module produces SPO2 as well as pulse rate with the help of a finger sensor and other temperature sensor alcohol sensor has the task to acquire condition and sample the analog electrical impulses whereas an embedded system performs the diagnosis according to the measurem
6. and the error correction of data can be implemented in Nellcor module REFERENCES ISSN 2231 5381 http www iyettjournal org Page 3685 International Journal of Engineering Trends and Technology IJETT Volume 4 Issue 8 August 2013 1 Samsung Electronics Co Ltd S3C2410A user s manual revision 1 0 EB OL Yongin City GyeonggiDo Korea 2004 03 SAMSUNG S3C2410X Data Sheet 2003 2 Zhou Pengshuo Wang Ziqiang Zhou Yu DuSidan Data collecting terminal with wireless networking support baseon S3C2410 and Linux2 6 Electronic measurement technology Vo31 No 1 2008 3 Lubrin E Lawrence E Navarro KF 2005 Wireless Remote Healthcare Monitoring with Motes Proc IEEE Int Conf Mobile Bus ICMB 05 Sydney Australia pp 235 241 Pierce F 2001 4 A protocol centric approach to healthcare information technology CBMS 2001 Proc 14th IEEE Symp DOT 10 1109 CBMS 2001 941765 pp 481 486 5 David Culler Deborab Esrtin Mani Sivastava Overview of Sensor Networks IEEE Computer Society August 2004 6 Ch Sravani N V Narayana Rao International Journal of Engineering Research and Applications Vol 2 Issue 1 Jan Feb 2012 pp 863 869 Jain N P Jain P N Agarkar T P 7 Information and Communication Technologies WICT 2012 World Congress on Digital Object Identifier 10 1109 WICT 2012 6409218 Publication Year 2012 Page s 987 992 8 IEEE CONFERENCE PUBLICATION Joshi V
7. aud rate generator that generates a common transmit and receive internal clock from the reference clock input of uart UARTCLK and it offers similar functionality to the industry standard 16C550 UART device also supports baud rates up to 460 8Kbits s which subject to VARTCLK reference clock frequency 3 ETHERNET RSJ 45 Ethernet is a physical and data link layer technology for local area networks LANs Ethernet Interface An 10 100M self adapting Ethernet chip DM9000 and a Ethernet connector RJ45 are used on the MINI2440 7 The RJ45 connector contains a coupled inductor therefore we do not need a network transformer but a simple Ethernet cable to connect the MINI2440 development board to a router or switch 4 ADC This is used to convert the analog data to the digital format It has 10 bit resolution ADC with 8 channel analog input its maximum conversion range is SOOKSPS On the MINI2440 totally there are 4 A D conversion channel which are located on the CON4 GPIO interface The analog data values are taken from the temperature sensor LM35 and alcohol sensor MQ 3 5 TEMPERATURE SENSOR LM335 g FulAgeg Certgace ere Dra Vout gt R1 be ti he ien Fig 2 Temperature Sensor This is used to measure the body temperature in degree centigrade LM 35 is the efficient and standard sensor from ATMEL The LM35 can operate over a 55 C to 150 C temperature range as shown in figure 2 which is connected
8. ent uncertainty and transferred to the doctor through LAN The medical staff can check out the data through their PC any where from the hospital The system shows the real time clinical data of the patient continuously through internet LAN connection Key words ARM Controller Monitoring System Nellcor module Temperature Alcohol sensor LAN LINTRODUCTION The opportunity for patients to have constant monitoring of their health state is now possible by means of telemedicine applications The continuous monitoring of the health status is a fundamental practice for patients suffering from various diseases and especially liver patients For these patients it is necessary to constantly keep under control their health activity to prevent the occurrence of a specific pathology In fact by continuous and regular monitoring of the heart rate body temperature SPO2 blood alcohol levels it is possible to make timely diagnoses on a potential abnormality The pulse is a rhythmic contraction and expansion of the arteries with each beat of the heart where the heart rate may be greater or lesser than the pulse rate depending upon physiologic demand The rate of the pulse is observed and measured by tactile or visual means on the outside of an artery and is recorded as beats per minute or BPM The data is transformed using UART to ARM9 There are many monitoring systems in the market more economic depending on their accuracy The suggested approach
9. ferent light wavelengths red and infrared are used to measure the actual difference in the absorption spectra of HbO2 and Hb The bloodstream is affected by the levels of concentration of HbO2 and Hb and their absorption coefficients are measured using two wavelengths 660 nm red lightspectra and 940 nm infrared light spectra Deoxygenated hemoglobin Hb has a higher absorption at 660 nm and oxygenated hemoglobin HbO2 has a higher absorption at 940 nm shown in figure4 10 RED INFRARED 660 nim 940 nm E t x a p 2 0 1 600 rod BOO a00 Wavelength iriri 1000 Fig 4 Haemoglobin light absorption graph A photo detector in the sensor perceives the non absorbed light from the LEDs This signal represents the light that has been absorbed by the finger and is divided in a DC component and an AC component The pulse oximeter analyzes the light absorption of two wavelengths from the pulsatile added volume of oxygenated arterial blood AC DC and calculates the absorption ratio AC 660 DC 660 This value represents a ratio of reduced to oxygenated haemoglobin Using this oxygen saturation is calculated based on empirical data Spo2 110 25 X R CONNECTIONS The MP 506 SPO2 was designed for working with Nellcor DS100 series sensor The sensor is connected to the board through a simple pin connector similar to the one used in the RS232 communications standard The analog data is taken from the finger se
10. in this paper is to reduce the economic cost and provide more accuracy using an embedded system The embedded system 2 is dedicated to specific tasks which can optimize reduce the size and economic cost of the product and increase the reliability and performance The real time processing and analysis of multi parameters such as pulse rate detection SPO2 body temperature blood alcohol data are taken from the application modules for transforming and storing using SC32440 ARM 9 core processor The transformed data is transferred to the doctor through Ethernet to PC Il IMPLEMENTATION The system implementation consists of both hardware and software A Hardware approach The hardware design constitutes of S3C2440 ARM9 processor with SERIAL PORT nellcor module MP 506 with a finger sensor TEMPERATURE SENSOR LM35 alcohol sensor MQ 3 PC 1 PC 2 provided with LAN connection are connect as shown in figure 1 3302440 FINGER SENSOR 400Hz ARMY TDM REGULAT ED POWER SUPPLY ALCOHOL SENSOR MQ 3 Fig 1 Overall System Block Diagram ISSN 2231 5381 http www iettjournal org Page 3682 International Journal of Engineering Trends and Technology IJETT Volume 4 Issue 8 August 2013 1 S3C2440 ARM PROCESSOR The Implementation of drivers to touch panel for the Samsung s S3C2440 is to be develop ARM9 architecture and Samsung s S3C2440A 16 32 bit RISC microprocessor Samsung s S3C2440A 3 is designed t
11. nsor and DS100 series sensor is connected to Nellcor module where the digital conversion of data is done The saturation blood oxygen and pulse rate are identified now when the heart pumps a pulse of blood through blood vessels the finger has slight movement in light reached the detector With each change in heart pulse the detector signal varies This varied signal is converted to electrical pulse This signal is amplified through an amplifier which outputs 5V logic level signal 5 10 PROTOCOL The data from Nellcor is sent to ARM kit through UART serial data transmission using a protocol which is SHIP protocol It is Standard Host Interface Protocol This is a 8 bit protocol STX indicates the start of transmission with 0X02 and D1 DN is DATA which consists of spo2 and pulse rate 6 0x55 STX SIZE Bh PH CRE ETH CRC is cyclic redundancy check which is used to detect the errors in the data if found it will ask the nellcor to resend the data of the patient ETX is the end of transmission 9 LAN CONNECTION In order to transmit the patient s data to the doctor any where in the hospital the computers are connected through a same IP address which is local area connection B SOFTWARE APPROACH The software approach is entirely based on e Linux platform e Python 2 7 for obtaining data on the browser The requirement to work with ARM 9 microcontroller are Installing Linux on MINI2440 and Installing Tool chain with
12. o provide hand held devices and general applications with low power and provides high performance micro controller solution in small die size The ARM processor is a Reduced Instruction Set Computer RISC The 3C2440 is a 32 bit microcontroller that internally integrates ARM920T of the ARM Company 9 ARM920T implements 5 stage pipeline architecture and separate 16KB Instruction cache and 16KB Data cache which are used for faster performance The S3C2440 have some integrated on chip functions such as LCD controller RAM controller 3 paths UART 4 paths DMA 4 path with PWM of Timer parallel I O port 8 channels of 10 bit ADC the interface of touch screen I2C interface two USB interface controllers two channels SPI the main frequency of S3C2440 up to 400mhz 4 The Figure 2 show the MINI2440 on board peripherals layout 2 Universal asynchronous receiver transmitter UART It facilitates communication through a computer s serial port using the RS 232C protocol The UART performs the serial to parallel conversion on data received from a peripheral device and also parallel to serial conversion on data transmitted to the peripheral device The CPU can read and write data and control status information through the AMBA APB bus interface The transmit and receive paths are buffered with internal FIFO memories 9 enables up to 16 bytes to be stored independently in both transmit and receive modes The UART consists of a programmable b
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