Boots – shoes – and leggings
Patent
1997-03-27
1999-01-12
Elmore, Reba I.
Boots, shoes, and leggings
364152, 180197, 710 41, G05B 1101
Patent
active
058597743
ABSTRACT:
The invention is directed to a stability control system for an automatic control system, which includes a controlled system, a measuring unit for measuring a response characteristic of the controlled system, and a computing unit for processing the response characteristic to obtain a standard frequency transfer function and a varied frequency transfer function with a permissive variation to the standard frequency transfer function. A band division unit is provided for dividing the standard frequency transfer function and the varied frequency transfer function into a plurality of bands, respectively. A modeling unit is provided for mathematically approximating the standard frequency transfer function for each band and the varied frequency transfer function for each band, to obtain a standard approximate model and a varied approximate model, respectively. A variation computing unit is provided for computing a variation of the varied approximate model to the standard approximate model for each band. According to the variation in each band, a modern controller, e.g., H.infin. controller is set, thereby to provide a plurality of modern controllers, which are processed by a parallel processing unit in parallel with each other. Then, the controlled system is actuated according to a result processed by the parallel processing unit.
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"Syouryoku to Jidouka" (Labor Saving and Automation, OHM Sha, Dec. 1992, pp. 82-84.
"PID Control Design by Model Matching in Frequency Domain", the 17th Dynamical System Theory Symposium, Nov. 30-Dec. 2, 1994, pp. 201-204.
"Robust Control Toolbox, Version 2.0", the Robust Control Toolbox User's Guide, Aug. 1992, pp. 1-2 to 2-1.
Kuzuya Hideki
Shin Seiichi
Aisin Seiki Kabushiki Kaisha
Elmore Reba I.
Rao Sheela S.
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