Victor Yu - School of Engineering Science
Contents
1. Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices R 47H Warranty information must be available upon ordering of the system 6 2 Training R 48H On site training must be available for all customers R 49M Additional training should be offered upon requests R 50H Technicians must provide system installation troubleshooting and system maintenance R 51H Technicians must assist users in adapting to the game environment 7 Regulatory Specifications This section outlines the regulatory specifications of the PONG Training System 7 1 Standards R 52H The system must follow the standards specified in CAN CSA C22 2 NO 60601 2 26 04 Particular Requirements for the Safety of Electroencephalographs 4 R 53H The system must follow the standards specified in IEC 60601 2 26 Particular Requirements for the Safety of Electroencephalographs 5 8 Additional Specifications This section outlines the specifications of the Remote Control Car All specifications have low priority due to the fact that we may not start or complete the work 8 1 General R 54L The size of the car may be approximately 20 cm in length 15 cm in width and 10 cm in height R 55L Users may be able to control the movements of the car via their brain signals Copyright 2006 BSO Technologies 8 Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices R 56L2. Yu Chief Financial Officer BSO Technologies Enclosure Functional Specification for Brain Signal Controlled Devices Functional Specification for Brain Signal Controlled Devices BRAIN SIGNAL OPERATED TECHNOLOGIES Project Team Contact Person Submitted to I ssued Date Heng Wei Lan Aaron McKinnon Victor Yu Aaron McKinnon ensc440 bso sfu ca Dr Andrew Rawicz ENSC 440 Steve Whitmore ENSC 305 School of Engineering Science Simon Fraser University October 16 2006 Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices Executive Summary Many brain controlled products in the market are not very user friendly Consumers often have to spend a vast amount of time and effort before becoming familiar and comfortable using the devices To solve this problem Brain Signal Operated Technologies BSO Technologies will develop a training system that will make learning to use a Brain Computer Interface BCI easy and entertaining Our training system will allow users to use their biofeedback indicators in their brains to play the PONG game The game not only encourages interactions between the two players trainees but also provides researchers with the progress of the training subjects Our training device will be easy to set up requiring just the placement of an electrode cap on the trainee s head In order to attract end users our products shall meet various hardwar
3. box containing the majority of the electronic circuit designs and a PC containing the PONG software 4 1 Physical Requirements R 15H R 16M R 17H R 18M R 19M Mass of all components including the electrode cap electrodes and any necessary electronic circuits attached on the players heads must not exceed 1 kg The typical headbands and helmets weight approximately 0 5 kg 1 2 too much weight or pressure placed on the head may cause neck injuries The electrode cap should be adjustable or supplied in different sizes to fit both children and adults All electronic components not associated with the cap must be enclosed in an interface box The interface box should neither exceed 20 cm in length nor 15 cm in width Any wires or methods of connection joining the cap and the interface box should be more than 1 meter in length Enough length is necessary for easy adjustment of the electrode cap Copyright O 2006 BSO Technologies 4 E on Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices ay 4 2 Set Up R 20H RD21H R 22H The requirements in this section are critical to our PONG Training System because they offer an advantage over many commercial ones which often require skin preparation and conductive paste for electrode placements 3 Such procedures take extra time and make the users hair messy and sticky The entire set up procedures
4. must be easy and quick requiring fewer than 5 minutes per user The attachments of the electrodes must not require any gel or paste Users must be able to connect to the system by placing the electrode caps on their heads Each cap includes a pair of electrodes and an ear clip 4 3 Features R 23H R 24H R 25H R 26M R 27M R 28M The input signals from the brains must be amplified with a gain greater than 50 000 V V The amplifier must strengthen the input signals to a maximum range of 10 V to 10 V The interface box must provide PCI bus compatibility in order to connect to the PC To fulfill the low noise high input impedance and high common mode rejection ratio requirements our system should satisfy the next three specifications The input amplifier should experience an input voltage noise of 4 nV VHz at 1 kHz The input amplifier should experience an input impedance of 1 GO The input amplifier should experience a Common Mode Rejection Ratio CMRR of 115 dB at 60 Hz Copyright 2006 BSO Technologies 5 ASNO pue Brain Signal Operated Functional Specification for ie Technologies Brain Signal Controlled Devices 5 Software Specifications This section outlines the software specifications of the PONG Training System The PONG game will be created using the LabVIEW application The game is played by two players against each other Each player tries to move the ball passing the opponent
5. s paddle into the scoring zone A player may direct the movements of the paddle vertically to defend his her scoring zone All the game options can be accessed by a hand controlled mouse Only the actual game play the paddle movements is controllable by the players brain signals 5 1 General R 29H The game must be able to run on a Pentium IV processor on Windows XP R 30H The game must be created using a software application called Laboratory Virtual Instrumentation Engineering Workbench which is known as the LabVIEW Hence the client must install it ahead of time R 31H The game must be graphically based 5 2 Features R 32H Users must have an option to start the game R 33M Users should have an option to restart the game R 34M Users should have an option to pause the game R 35H Users must have an option to quit the game R 36M Users should have the ability to see the scores of the game R 37H Users must be able to control the up and down movements of their own paddles using their brains Copyright 2006 BSO Technologies 6 Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices 5 3 Performance R 38H The paddles must move close or exactly to where the players wanted Movements are acceptable as long as players do not visually notice the error R 39M The system should not experience any lag in the case where players attempt to move paddles in inva
6. ES pue Brain Signal Operated ae a Technologies ensc440 bso sfu ca October 16 2006 Dr Andrew Rawicz School of Engineering Science Simon Fraser University Burnaby British Columbia V5A 1S6 Re ENSC 440 Functional Specification for Brain Signal Controlled Devices Dear Dr Rawicz The attached document Functional Specification for Brain Signal Controlled Devices lists the functional requirements for our proposed brain signal controlled devices We are in the process of designing a computer game playable using brain wave signals Originally we planned to further enhance our technology after the development of the game by introducing a remote control car whose movements can be directed by brain signals However after receiving advices from Professor Steve Whitmore and losing half of the team members due to other commitments we have reorganized our goals as evident in the classified functional requirements This document details the functional and physical requirements that Brain Signal Controlled Devices will fulfill We have stated what our products must deliver should deliver and wish to deliver given more time and labour Brain Signal Operated Technologies is currently comprised of three enthusiastic engineering science students Heng Wei Lan Aron McKinnon and Victor Yu If you have any questions or concerns about our functional specification please contact us at ensc440 bso sfu ca Sincerely Victor Yu Victor
7. The weight of the car may be around 2 kg 8 2 Functions R 57L The car may be controlled within 10 meters from the user R 58L The car may move at a maximum speed of 20 cm s R 59L The user may control up to four different movements of the car forward backward left and right R 60L The car may be able to move up an inclined slope of 30 9 Test Plan This section outlines the test plan of the PONG Training System We will test each component individually to ensure proper operation before we conduct the system test 9 1 Electrodes gt We will test each electrode individually gt Once the above is completed we will test a pair of electrodes simultaneously gt At last we will test all electrodes together 9 2 Electronic Circuits gt We will make certain that the input signal is being amplified with the desired gain gt We will make sure the input amplifier have low noise high input impedance and high CMRR 9 3 PONG Game gt We will feed a signal to the PCI bus of the PC and see whether LabVIEW could receive the signal Copyright 2006 BSO Technologies 9 Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices We will test that the PONG game can run on its own We will test each button and menu item of the software 9 4 Entire System gt gt We will connect two players to the PONG Training System We will verify that our system can c
8. actual game as illustrated in Figure 2 1 Signal Extraction Conversion Pa Headband Interface Box Computer Figure 2 1 PONG Training System Overview The inputs of the system are the signals from the two players brain waves These signals will first be extracted and interpreted by electrodes and other necessary hardware attached to the players caps Then the signals will be converted into useful information readable by our PONG software Such conversion occurs in an interface box containing electronic circuitry The status of the PONG game on the personal computer PC will be altered based on the understood signals i e the players moves Finally the players will see the changes in the game and send new brain signals i e their next moves The details of each subsystem are not discussed for the purpose of this document Copyright 2006 BSO Technologies PTS pue Brain Signal Operated Functional Specification for kor Technologies Brain Signal Controlled Devices 3 System Specifications This section outlines the general system specifications of the PONG Training System 3 1 General R 1H The system must be able to operate at the normal customer temperature range from 20 C to 50 C R 2H The system must be able to operate under all domestic humidity and pressure ranges R 3H Operation of the system must be assisted by a physically healthy person the operator R 4H Both physically healthy and p
9. cation for Technologies Brain Signal Controlled Devices IN SCIRET 11 MN A n ACABA GU PR La ec ad M A EE dccem OA DU HERD DNA 12 Copyright 2006 BSO Technologies iv AGEN L a Brain Signal Operated Functional Specification for ers Technologies Brain Signal Controlled Devices List of Figures Figure 2 1 PONG Training System Overview sese Copyright 2006 BSO Technologies aS pue Brain Signal Operated Functional Specification for o ead Technologies Brain Signal Controlled Devices Glossary BCI Brain Computer Interface BSO Brain Signal Operated CMRR Common Mode Rejection Ratio LabVIEW Laboratory Virtual Instrumentation Engineering Workbench PC Personal Computer PCI Peripheral Component Interconnect PCB Printed Circuit Board Copyright 2006 BSO Technologies vi Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices 1 Introduction BSO Technologies is developing a BCI training system that is user friendly easy to set up and entertaining As our first brain signal controlled device the PONG Training System that will help physically disabled people adapt to BCIs easily The device will feature two trainees communicating with the PONG software simply by thinking The players will control the movements of the paddles in the game via their brain signals The PONG Training System will serve as a basis for future BSO Technol
10. e software and safety conditions We plan to complete our prototyping of the game by the end of 2006 Other additional features will be implemented in future developments If time permits we will start the production of a brain signal controllable toy Copyright 2006 BSO Technologies E SS jus a Brain Signal Operated Functional Specification for ers Technologies Brain Signal Controlled Devices Table of Contents EXC Summary ii 11 Distot PIES V Rr o MT vi A 1 El SCOPE nnet a E A 1 1 2 Intended Audience RETE 1 1 3 COMES A em 1 A Fur eis eau nr be en ere ed PEST tv EREE M ES VE PR FIRM HEN EN 2 3i System Specifications naa 3 IA Genera eT o 3 3 2 POIS EEE E a ee 3 J o eree E A E E E 4 4 Hardware Specifications a 4 AN Physical Reguirements usce aviae ad em oU SERIE eiei a E REEE EEE 4 LUE UN 5 Le ucc ed 5 de Software peca 6 31 CO ii EES 6 De EU ER TD ETE 6 NEM ups NETT ED 7 6 Documentation and Training Specifications T DUI AA E M nu E Ec Rd ET EEEREN 7 A ren aA EUM 8 Te R g latory Specifications rr is 8 A A Rt 8 Additional Specifications AA xa E Roc nd KEENE 8 A A O E E E e EE 8 A E ONEA 9 II 9 9 1 oni me aida 9 9 2 Bl ctronic CircUts ERR 9 9 3 PONG er T EU UN PI PT ER UNS 9 94 Entire E 10 Copyright O 2006 BSO Technologies iii Brain Signal Operated Functional Specifi
11. hysically disabled people must be able to use the system R 5H The system must be used by 2 players at the same time R 6M Users should be able to stop the system at any time R 7L The system may auto recover from any malfunctioning R 8L The system may report errors encountered if any 3 2 Performance R 9H A player must not wait for more than 3 seconds to see the results of his her intended moves R 10M The power supply of the system should last at least 1 day R 11M A single operation should continue for a minimum of 30 minutes before any restarting adjusting is needed For hardware specific performance criteria please refer to Section 4 3 Copyright 2006 BSO Technologies 3 Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices 3 3 Safety R 12H All users must not receive any discomfort from using the system even in the case of the device malfunctioning R 13H The electrodes must not have any sharp edges that may injure a user s head R 14H To avoid having loose wires from floating around and electronic components from hanging off edges of the device all electronic circuitry must be mounted on Printed Circuit Boards PCBs 4 Hardware Specifications This section outlines the hardware specifications of the PONG Training System As evident in Figure 2 1 the system has three main physical components the electrode cap containing the electrodes an interface
12. ion Electronic Catalogue 2006 Online Available http www csa ca electronic_catalogue Accessed Oct 13 2006 5 International Electrotechnical Commission IEC 60601 2 26 Ed 2 0 Bilingual 2006 Online Available http webstore iec ch webstore webstore nsf artnum 03 1556 Accessed Oct 13 2006 Copyright 2006 BSO Technologies 12
13. lid directions or out of proper range R 40H The balls should be deflected at the speed and angle complying with the laws of physics 6 Documentation and Training Specifications This section outlines the documentation and training specifications of the PONG Training System We will provide a user manual describing any background knowledge needed before using the system the steps to set up the system and a troubleshooting guide In addition a company website will be available containing information for customers and potential investors On site training of the system will be provided to all users Our technicians will ensure that the customers can set up the system by themselves Moreover technicians will assist the users until they have a reasonably good control of the game play 6 1 Documentation R 41H A user manual in English must be provided written in a way that non technical users can understand R 42L User manual in other languages such as Chinese Japanese and French may be provided in order for the product to satisfy international markets R 43H Installation procedures must be available to users R 44M Troubleshooting and maintenance tips should be available to users R 45H A website must be set up providing the user manual and other technical information needed to use the system R 46H The company s contact information must be included in all documents Copyright 2006 BSO Technologies 7 Brain
14. ogies products 1 1 Scope The document establishes the functional requirements of our PONG training device We have provided a test plan for quality assurance A separate section describing the functional specifications of our next product the Remote Control Car is also included The research of this second innovation will start in late 2006 or early 2007 1 2 Intended Audience The design engineers of BSO Technologies will use this document as a guideline in building the products The project manager will use the document to ensure that the products possess the proposed functionalities 1 3 Conventions The following notation is used throughout this document to describe each functional requirement R P where R stands for the word requirement indicates the requirement number and P denotes the priority H denotes high priority M denotes medium priority and L denotes low priority By the end of 2006 the high priority requirements are MUST haves the medium priority requirements are SHOULD haves and the low priority requirements are MAY haves Copyright 2006 BSO Technologies l Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices 2 System Overview Our PONG Training System provides the interface allowing two players competing against each other by using their brain signals The players will wear electrode caps which will get connected to the computer containing the
15. orrectly read each player s brain signals We will verify that our game options work We will verify the game play undergoes correctly We will test the system using different users Copyright 2006 BSO Technologies 10 xe pue Brain Signal Operated Functional Specification for E kor Technologies Brain Signal Controlled Devices 10 Conclusion The document clearly states the functional specifications that our brain signal controlled devices must deliver We plan to finish the prototype of the PONG Training System by the end of 2006 and work on the Remote Control Car after that We believe that by December 31 2006 our PONG Training System will possess all the high prioritized specifications some if not all of the medium prioritized specifications and a few if any of the low prioritized specifications Copyright 2006 BSO Technologies 11 Brain Signal Operated Functional Specification for Technologies Brain Signal Controlled Devices 11 References 1 Applied Fiberoptics Inc Orion Headlights 2003 Online Available http www appliedfiberoptics com orion html Accessed Oct 10 2006 2 REI Outlet Giro G10 Helmet 2005 Online Available http www rei com outlet product 48051318 htm Accessed Oct 10 2006 3 OpenEEG OpenEEG Electrodes 2004 Online Available http openeeg sourceforge net doc hw electrodes Accessed Oct 13 2006 4 Canadian Standards Associat
Download Pdf Manuals
Related Search