Wheelchair control circuit

Details Wheelchair control circuit Wheelchair control circuit

1975-05-16

1977-11-22

Hickey, Robert J.

Electricity: motive power systems

Portable-mounted motor and/or portable-mounted electrical...

180 65, 180DIG3, B62D 1104, H02P 700

Patent

active

040597865

ABSTRACT:
A wheel chair motor control circuit for a wheel chair having two independently controllable motor-driven wheels. The user has a "joystick" control operable from a datum position to move the wipers of two potentiometers both independently and simultaneously from their corresponding datum positions. A first, proportional control circuit is provided for each motor to supply it with drive power proportional to the magnitude of the deviation of its corresponding potentiometer wiper from datum and a second reversing circuit is provided for each motor to operate a reversing relay connected thereto in accordance to the direction of the deviation of its corresponding potentiometer wiper.

REFERENCES:
patent: 3351148 (1967-11-01), Solomon
patent: 3874468 (1975-04-01), Chatterjea

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