FNS Control Schemes for the Upper Limb
Autor: | Jonathan Allin, Gideon F. Inbar |
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Rok vydání: | 1986 |
Předmět: |
Engineering
Adaptive control business.industry Muscles Control (management) Neuromuscular Junction Biomedical Engineering Feed forward Proportional control Control engineering Electric Stimulation body regions Identification (information) Control theory Arm Humans A priori and a posteriori business Error detection and correction Muscle Contraction |
Zdroj: | IEEE Transactions on Biomedical Engineering. :818-828 |
ISSN: | 0018-9294 |
DOI: | 10.1109/tbme.1986.325775 |
Popis: | This paper is concerned with the problems of control associated with the application of functional neuromuscular stimulation of the upper limb, concentrating on elbow flexion/extension and wrist pronation/supination. A closed-loop controller is needed in order to overcome the gain nonlinearities and plant dynamic parameter variations. Controllers were developed based on models and parameters previously established. Two controllers are discussed in detail, a thirdorder feedforward controller and a model reference adaptive controller. There were no striking differences in the performances of the thirdorder controllers. The conventional controllers, however, required a lengthy a priori identification procedure each time they were used. This was performed implicitly by the adaptive controller within a few seconds, making it a practical proposition for an FNS controller. |
Databáze: | OpenAIRE |
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