Circuit arrangement for controlling the speed of rotation of a h

Details Circuit arrangement for controlling the speed of rotation of a h Circuit arrangement for controlling the speed of rotation of a h

1986-05-09

1988-02-23

Wayner, William E.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

91361, 123361, 318310, F16D 3102, F02D 4100

Patent

active

047261870

ABSTRACT:
A control for the speed of rotation of a hydrostatic machine in which the controlled variable and generated in a speed controller and is made up of a proportional component and an integrating component is limited by a limiting signal which is also made up of a predetermined basic value and a ramp signal behaving proportionally to the actual pivot angle of the hydrostatic machine. The limiting signal thus limits the output signal of the speed controller so that a rapid response behaviour is obtained and fluctuations in the settling to the desired speed are reduced.

REFERENCES:
patent: 3509326 (1970-04-01), Union
patent: 4180979 (1980-01-01), Cornell
patent: 4351152 (1982-09-01), Reynolds et al.
patent: 4587808 (1986-05-01), Watanabe et al.
patent: 4595979 (1986-06-01), Arai et al.

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