Instrumentation resonance compensation

Details Instrumentation resonance compensation Instrumentation resonance compensation

1981-12-02

1983-12-27

Gill, James J.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

73146, 364571, G01B 716

Patent

active

044223366

ABSTRACT:
An analog compensation circuit for compensating for mechanical instrumentation resonance. The transfer function of the instrumentation resonance phenomenon is determined, and the compensation circuit is constructed to produce the inverse transfer function of the instrumentation resonance transfer function. The input of the compensation circuit is connected to the electrical instrumentation output signal. With the instrumentation resonance modeled as the equivalent of a second order filter, the compensation circuit includes sections for producing at a combined output a first intermediate signal representative of a constant term, a second intermediate signal representative of a first derivative term, and a third intermediate signal representative of a second derivative term.

REFERENCES:
patent: 2959347 (1960-11-01), Kearns
patent: 3479867 (1969-11-01), Tarpinian et al.

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