Boots – shoes – and leggings
Patent
1993-02-01
1994-12-06
Gordon, Paul
Boots, shoes, and leggings
364148, 364162, G05B 1302
Patent
active
053716701
ABSTRACT:
A feedback control system compensator of the PID type is provided, wherein the proportional component of the compensator is replaced with a tilted component having a transfer function s to the power of -1
. The resulting transfer function of the entire compensator more closely approximates an optimal transfer function, thereby achieving improved feedback controller. Further, as compared to conventional PID compensators, the TID compensator allows for simpler tuning, better disturbance rejection ratio, and smaller effects of plant parameter variations on closed loop response.
REFERENCES:
patent: 4146270 (1979-03-01), Nurnberger et al.
patent: 4539633 (1985-09-01), Shigemasa et al.
patent: 4549123 (1985-10-01), Hagglund et al.
patent: 4619230 (1986-10-01), Collonia
patent: 4641235 (1987-02-01), Shigemasa et al.
patent: 4754391 (1988-06-01), Suzuki
patent: 4755924 (1988-07-01), Hiroi
patent: 5059880 (1991-10-01), Hiroi
Gordon Paul
Jones Thomas H.
Kusmiss John H.
Miller Guy M.
The United States of America as represented by the Administrator
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