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Auditory, Visual And Tactile Stimuli System ? A Senior Design Project

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2007 Annual Conference & Exposition


Honolulu, Hawaii

Publication Date

June 24, 2007

Start Date

June 24, 2007

End Date

June 27, 2007



Conference Session

Electrical Technology Projects and Applications

Tagged Division

Engineering Technology

Page Count


Page Numbers

12.301.1 - 12.301.22



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Paper Authors


Chandra Sekhar Purdue University-Calumet

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CHANDRA R. SEKHAR is a member of the faculty of the Electrical and Computer Engineering Technology at Purdue University Calumet. Professor Sekhar earned a Bachelor’s Degree in Chemistry from the University of Madras (India), a Diploma in Instrumentation from Madras Institute of Technology and Master’s Degree in Electrical Engineering from University of Pennsylvania. Professor Sekhar’s primary teaching and research focus is in the areas of Biomedical and Process Control Instrumentation and Clinical Engineering.

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Omer Farook Purdue University-Calumet

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OMER FAROOK is a member of the faculty of the Electrical and Computer Engineering Technology Department at Purdue University Calumet. Professor Farook received the Diploma of Licentiate in Mechanical Engineering and BSME in 1970and 1972 respectively. He further received BSEE and MSEE in 1978 and 1983 respectively from Illinois Institute of Technology. Professor Farook’s current interests are in the areas of Embedded System Design, Hardware – Software Interfacing, Digital Communication, Networking, C++ and Java Languages

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Scott Reimer Purdue University Calumet

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SCOTT REIMER graduated with a B.S. degree in EET in fall 2005, and is currently working as a management trainee at US steel.

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Ilija KaramacoskiI Purdue University Calumet

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ILIJA KARAMACOSKI graduated with a B.S. degree in EET in fall 2005 and is currently working as an engineer for CS industry.

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NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract



This paper describes the design and development of an instrumentation system to study the human response time while driving an automobile to visual, auditory and tactile stimuli. The human response time to the applied stimuli along with results from other ongoing research projects will be used in the development of safety features in the automobile. The project was successfully completed by two students as a senior design project. The project provided a unique opportunity for the students, to learn project development from a concept, time management and achieving the final results within cost constraints.

Introduction The Tactile and Auditory Stimuli, an intra-departmental project came out of a casual conversation between the author and a research professor from the department of Behavioral Science. The project idea was conceived by the professor of the Behavioral Science department who wanted to study the effect of auditory, visual and tactile response of elderly people driving an automobile.

Most vehicle crashes occur due to human errors. According to US Department of Transportation1 there were 6,328,000 auto crashes in 2003, of those 42643 fatalities and 2,888,601 sustaining injuries. In many accidents the drivers were distracted by various audio and visual distractions and took crash remedial action rather slowly. The goal of this project is to measure the response times to different stimuli and provide a tactile signal to warn the driver that an impact may occur. The tactile signal warning will be especially useful for drivers who may have hearing problems.

System Description The system consists of a driving simulator comprised of a steering wheel with gas and brake pedal assembly with transducers to convert mechanical movements to electrical signals. Precision potentiometers are connected to the pedals and the steering wheel. The change of potentiometer position due to the movements of the pedals and the steering wheel provided a current variation signal for analysis. The current signal is sent to the game port of a computer where it is converted from analog to digital signal for reading into a file. A Program written in C++ (Appendix-A) analyzes the data on pedal and wheel positions. The Program also calculates the response time with respect to the stimuli and

Sekhar, C., & Farook, O., & Reimer, S., & KaramacoskiI, I. (2007, June), Auditory, Visual And Tactile Stimuli System ? A Senior Design Project Paper presented at 2007 Annual Conference & Exposition, Honolulu, Hawaii. 10.18260/1-2--2095

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