Boots – shoes – and leggings
Patent
1986-02-14
1988-07-05
Smith, Jerry
Boots, shoes, and leggings
364160, 364162, 364176, G05B 1300
Patent
active
047559241
ABSTRACT:
A process controller comprises a deviation calculating device for calculating the deviation between a control value obtained from a controlled object and a set value for the control value, and a first operation device for performing at least one of proportional, integral and differential operations with respect to the deviation from the deviation calculating device based on control parameters adjusted in a characteristic state for optimally restricting variation due to a disturbance. The first operation device outputs an adjusting signal based on the at least one of proportional, integral and differential operations. The process controller further comprises a second calculating device for correcting the control parameters to parameter values in a characteristic state for optimally following change in the set value.
REFERENCES:
patent: 3644719 (1972-02-01), Rouxel et al.
patent: 3758762 (1973-09-01), Littman et al.
patent: 4052642 (1977-10-01), Speth et al.
patent: 4500950 (1985-02-01), Putman
Chapter Six; Design of Feedback Control System for Independent Control of Transmission and Sensitivity Functions; pp. 246-255.
Kabushiki Kaisha Toshiba
MacDonald Allen
Smith Jerry
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