Adaptive motor drive method and apparatus including inertia...

Details Adaptive motor drive method and apparatus including inertia... Adaptive motor drive method and apparatus including inertia...

2005-11-10

2008-07-01

Garland, Steven R. (Department: 2121)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

C700S041000, C318S432000, C318S609000

Reexamination Certificate

active

07395124

ABSTRACT:
A method and apparatus for use with a plant drive system that receives a reference command signal and generates a torque command to drive a plant, the method for estimating plant inertia and comprising the steps of providing a reference model that models the plant, the model receiving the reference command signal and generating a model output signal as a function thereof, identifying a plant output signal, mathematically combining the reference command signal and the plant output signal to generate a first error value, mathematically combining the plant output signal and the model output signal to generate a second error value, mathematically combining the first and second error values to generate an inertia estimate value and using the inertia estimate value to modify the torque command thereby providing a modified torque command signal to drive the plant.

REFERENCES:
patent: 5495158 (1996-02-01), Schmidt et al.
patent: 6037736 (2000-03-01), Tsuruta et al.
patent: 2005/0034538 (2005-02-01), Rehm et al.
patent: 2005/0116677 (2005-06-01), Tsuruta et al.
patent: 5-284774 (1993-10-01), None

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