Boots – shoes – and leggings
Patent
1984-08-21
1987-06-23
Smith, Jerry
Boots, shoes, and leggings
364158, 364553, G05B 1136
Patent
active
046758054
ABSTRACT:
PID characteristics of a closed-loop type controller compensation network for a hydraulic pulsing machine coupled with a test specimen are adjusted by determining the closed-loop stability locus of the network and adjusting PID characteristics until the stability locus is located at a desired position.
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patent: 3973112 (1976-08-01), Sloane
patent: 4466054 (1984-08-01), Shigemasa et al.
patent: 4549123 (1985-10-01), Hagglund
Feedback and Control Systems; Schaum's Outline Series; J. DiStefano et al; cGraw -Hill; N.Y., N.Y.; 1967.
Dynamic Testing Instruments; Wireless World; by James Franklin; Oct. 1966; pp. 513-518.
Deutsche Forschungs- und Versuchsanstalt fur Luft-und Raumfahrt
MacDonald Allen
Smith Jerry
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