System for controlling rotation of rotary mechanism in Z-type pr

Details System for controlling rotation of rotary mechanism in Z-type pr System for controlling rotation of rotary mechanism in Z-type pr

1984-04-12

1987-01-13

Dobeck, Benjamin

Electricity: motive power systems

Positional servo systems

With signal-, voltage-, or current-limiting

318588, 318604, 318663, G05B 106

Patent

active

046367012

ABSTRACT:
A control system for controlling the rotation of a rotary mechanism such as a propeller housing in a Z-type propulsion apparatus is provided. A command signal and a feedback signal both relating to the rotation of the rotary mechanism are compared with each other. And a control signal which varies at a predetermined inclination is generated when the command and feedback signals differ in amplitude from each other. And a drive unit rotates the rotary mechanism in accordance with the control signal.

REFERENCES:
patent: 3525918 (1970-08-01), Parnell
patent: 3778696 (1973-12-01), Walters et al.
patent: 3798525 (1974-03-01), Cooper
patent: 3942087 (1976-03-01), Maisch et al.
patent: 3950687 (1976-04-01), Watson
patent: 4191913 (1980-03-01), Arnold et al.
patent: 4251760 (1981-02-01), Gersch
patent: 4413215 (1983-11-01), Cavil

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