Motor vehicles – Manually actuated controlling devices – Multiple vehicle functions controllable by single device
Patent
1990-10-31
1992-02-11
Rice, Kenneth R.
Motor vehicles
Manually actuated controlling devices
Multiple vehicle functions controllable by single device
180336, B60K 2600
Patent
active
050868705
ABSTRACT:
A remotely controlled system for the operation of a vehicle wherein a limited physical input is translated into desired vehicle movement. The invention uses a unitary manipulator with two axes of movement to direct the steering, acceleration and braking functions of the vehicle. The surplus current available from the main battery of the vehicle powers the control system. The steering function of the invention involves the conversion of a mechanical input into a frequency-based signal which is processed by a primary steering microprocessor. This microprocessor in turn directs a frequency-based motor controller to operate a motor which rotates a steering shaft of the vehicle. The acceleration and braking functions operate in the same way, wherein a primary acceleration microprocessor acts upon a frequency-based signal to direct a frequency-based motor which is connected to the accelerator and brake pedals of the vehicle. In order to provide a smooth transition from the manipulator input to motor operation, the motors of the present invention are preferably stepper motors. The invention can be disengaged to permit standard operation of the steering wheel and accelerator and brake pedals of the vehicle.
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Human Factors Analysis of Automotive Adaptive Equipment for Disabled Drivers, Koppa et al., Dept. of Transportation Report No. DOT HS-805-726, Oct. 31, 1980.
Bohan Thomas L.
Division Driving Systems, Inc.
Rice Kenneth R.
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