Electricity: motive power systems – Positional servo systems – With stabilizing features
Patent
1990-08-28
1992-06-02
Ip, Paul
Electricity: motive power systems
Positional servo systems
With stabilizing features
318616, 318631, 318609, 318610, 417222R, G05B 501
Patent
active
051190052
ABSTRACT:
A servo control system (100) for controlling a prime mover (16) to position a load (12) to a commanded position in accordance with the invention includes a position sensor (14) for providing a load position signal representative of a position of the load; a controller for producing a control signal controlling activation of the prime mover to cause the load to be positioned at the commanded position including a first summer (20) for producing a first difference signal equal to a difference between a position command specifying the commanded position and the load position signal which is applied to a proportional amplifier (22) and an integrator (24), a second summer (26) for producing a sum of outputs from the proportional amplifier and the integrator and a third summer (104) for producing the control signal which is equal to a difference between the sum of the outputs and a signal proportional to the load position signal.
REFERENCES:
patent: 4540923 (1985-09-01), Kade et al.
patent: 4675804 (1987-06-01), Wiemer
patent: 4727303 (1988-02-01), Morse et al.
patent: 4843292 (1989-06-01), Futami
patent: 4950967 (1990-08-01), Sakamoto et al.
patent: 4967128 (1990-10-01), Sawai et al.
patent: 4983099 (1991-01-01), Tsai
Schrage Dean S.
Tsai Shan-Chin
Ip Paul
Sundstrand Corporation
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