Boots – shoes – and leggings
Patent
1991-09-09
1993-09-14
Ruggiero, Joseph
Boots, shoes, and leggings
364157, 364158, 364176, 318561, 318609, 395 61, 395900, 395903, G05B 1302, G05B 1142
Patent
active
052455297
ABSTRACT:
A system for controlling a process system subject to an external disturbance by adjusting a process variable output by the process system to a given target variable. The system includes a target variable filter unit for generating a computed target variable to perform a compensation control operation, a deviation operating unit for computing a deviation between the process variable and the computed target variable, a main control unit for performing at least proportional and integral control operations on the computed deviation between the process variable and the computed target variable to suppress fluctuation of the process variable produced by the external disturbance, and a target variable control unit for changing an input into the deviation operation unit from the computed target variable to the given target variable only when the deviation between the given target variable and the computed target variable computed by the target variable filter unit is less than a predetermined value.
REFERENCES:
patent: 4539633 (1985-09-01), Shigemasa et al.
patent: 4641235 (1987-02-01), Shigemasa et al.
patent: 4881160 (1989-11-01), Sakai et al.
patent: 5043862 (1991-08-01), Takahashi et al.
patent: 5059880 (1991-10-01), Hiroi
Patent Abstracts of Japan, vol. 11, No. 261 (P-609) [2708], Aug. 25, 1987 & JP-A-62 66 301 (Yamatake Homeywell Co. Ltd., Mar. 25, 1987.
Patent Abstracts of Japan, vol. 12, No. 259 (P-733 [3106]& JP-A-63 46 503 (Yokogawa Electric Corp.) Feb. 27, 1988.
Kabushiki Kaisha Toshiba
Ruggiero Joseph
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