Boots – shoes – and leggings
Patent
1984-06-01
1987-01-27
Smith, Jerry
Boots, shoes, and leggings
364151, 364162, 364150, 364200, 318636, G05B 1304, G05B 1302, G05B 1300, G05B 2102
Patent
active
046398538
ABSTRACT:
The present invention relates to an arrangement for the discrete-time adaptive on-off switching control of a continuous-time process with a binary switching actuator, which uses for the determination of the on-off actuating signal a prediction of a process output sequence over several future sampling intervals as reaction to a possible process input sequence that is applied to a discrete-time linear process model and which estimates and updates in every sampling interval the parameters of the process model by means of a parameter estimation device in order to adapt them to the process to be controlled, even when the process behavior changes, and which has a device for the input and change of the setpoint, the limits of the process output and the sampling time as well as a measuring device for the periodical measurement of the process input. The arrangement further comprises two alternatively working control devices one of which is active in the stationary phase and the other of which is active in the start-up phase of the process or after setpoint changes, and a switching device which activates one or the other said control device in dependence of the result of the measurement of the process output and of input current setpoint, wherein the actuator is served by the active control device.
REFERENCES:
patent: 3601588 (1971-08-01), Bristol, II
patent: 4213175 (1980-07-01), Kunhara
patent: 4214301 (1980-07-01), Kunhara et al.
patent: 4232364 (1980-11-01), Bibbevo
patent: 4437045 (1984-03-01), Mitsuoka
patent: 4479176 (1984-10-01), Grimshaw
Proceedings of the 7th Triennial World Congress of the International Congress of the International Federation of Automatic Control, 12th-16th, Jun. 1978, Helsinki, Finland, vol. 1, pp. 443-452, Pergamon Press, Oxford, GB, H. Kurz, et al.: "Development, Comparison and Application of Various Parameter-Adaptive Digital Control Algorithms", * p. 446, FIG. 2*.
Proceedings of the 8th Triennial World Congress of the International Federation of Automatic Control, 24th-28th, Aug. 1981, Kyoto, Japan, vol. 2, pp. 1081-1086, Pergamon Press, Oxford, GB; U. Hoffmann, et al.: "On the Combination of Parameter Estimation and Predictive On-Off Control" * p. 1082, FIG. 2*.
Breddermann, R.: Realization and Application of a Selftuning On-Off Controller, Proceedings of the International Symposium on Adaptive Systems, Bochum, FRG, 1980, and Hoffmann, U.
Blumbach Rainer
Breddermann Rudolf
Hoffmann Ulrich
Muller Ulrich
Rake Heinrich
Grossman Jon D.
Omron Tateisi Electronics Co.
Smith Jerry
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