Motor control system having output clamp function and method...

Details Motor control system having output clamp function and method... Motor control system having output clamp function and method...

2007-12-04

2007-12-04

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

C369S053180, C369S053300, C369S047360

Reexamination Certificate

active

10969993

ABSTRACT:
A motor control system comprises a motor controller and a clamp apparatus and is used for controlling a motor apparatus. The motor controller is used for generating a motor control output according to a reference signal and a feedback signal from the motor apparatus. The clamp apparatus is used for receiving the motor control output and has a clamp function for clamping the motor control output. The clamp apparatus determines whether the clamp function should be activated to clamp the motor control output within an acceptable clamp range according to at least one motor stability signal. When the motor stability signal indicates that the motor apparatus has been in a stable state, the clamp apparatus clamps the motor control output from the motor controller in the acceptable clamp range, so as to avoid an abnormal motor control output resulting from external sudden change.

REFERENCES:
patent: 4481615 (1984-11-01), Hioki
patent: 5161141 (1992-11-01), Sawata
patent: 5323379 (1994-06-01), Kim
patent: 5526328 (1996-06-01), Oshima et al.
patent: 5701284 (1997-12-01), Lee
patent: 5995463 (1999-11-01), Sakashita
patent: 2003/0007433 (2003-01-01), Takayama et al.
patent: 2005/0111321 (2005-05-01), Huang et al.

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