Instruction generator for controlling the position of an element

Details Instruction generator for controlling the position of an element Instruction generator for controlling the position of an element

1988-12-12

1990-07-10

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318665, 318671, G05B 106, G05B 1937

Patent

active

049409263

ABSTRACT:
The generator comprises means (2) for adjusting and an associated calculator, the adjusting means (2) comprising an endless rotative knob (4) capable of rotating through a given angle of which the position of the element to be controlled is a direct function, and pulse generating means (15, 17) generating a number of pulses which is proportional to the angle of rotation of the knob (4) and means for counting said number, and a selector of the direction of rotation. The calculator is programmed to determine, from the number of pulses counted, a proportion of the path the movable element must travel through realtive to end-of-travel means. The instruction determined by the calculator is then transmitted to a motor driving the movable element and to a position copying device. The invention permits obtaining a fine continuous, or substantially continuous, adjustment by a simple rotation of the knob. Application in particular to the control of opening elements of automobile vehicles.

REFERENCES:
patent: 2938154 (1960-05-01), Kirschbaum
patent: 3165680 (1965-01-01), Morrison
patent: 3254283 (1966-05-01), Hunt
patent: 3373623 (1968-03-01), Gutting
patent: 3431474 (1969-03-01), Van Ostrand
patent: 3754179 (1973-08-01), Waitkoss et al.
patent: 4117386 (1978-09-01), Cohen et al.
patent: 4528682 (1985-07-01), Nakaoki

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