Graduate Thesis Or Dissertation
 

Feasibility study of a surface vehicle utilizing a unitary control system

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  • A feasibility and practicality study was made of an automotive-type surface vehicle that employed a centralized or unitized means of control. The control functions consisted of: steering, acceleration, deceleration, clutch actuation, gear changes, turn signal operation and horn actuation. These controls were arranged in such a manner that the driver used only his right hand and arm to effect total vehicle operation and control. The study was accomplished by three avenues of approach. They area (1) "historical", (2) analytical, (3) experimental. For the historical analysis, a survey of similar existing systems with their particular advantages and disadvantages was completed. The analytical portion took the form of an analog simulation of the steering response to a given input, The experimental aspects of the study dealt with both quantitative and qualitative information in that a test vehicle was constructed, instrumented and tested for steering response, sensitivity, stability, response time, and control transfer functions. The qualitative portion was achieved by utilizing different operators, (some of whom were physically handicapped) to evaluate the vehicle's handling characteristics and overall system acceptability. The control system concept demonstrated its feasibility, practicality and desirability by successful operation, quantitative testing and driver evaluation. Major advantages of this system concern improvements in the following areas: (1) Safety; more maneuverability, shorter response time, no distraction of remote switches, unimpaired view of instrument panel, crash protection, and reliable mechanical system. (2) Convenience; more "natural" control action, reduced physical motions and forces for operator, handicapped persons aid, driver fatigue reduced, no seat adjustment needed. (3) Historical; novel system to change the monotony of years of wheel controlled vehicles.
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  • File scanned at 300 ppi (Monochrome, 8-bit Grayscale) using ScandAll PRO 1.8.1 on a Fi-6670 in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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