Crossed coupling synchronous control system and method of multiple motors

A cross-coupling, synchronous control technology, applied in the direction of speed regulation of multiple motors, to achieve the effect of good robustness and reduced deviation
CN102710183AActive Publication Date: 2012-10-03SUZHOU INOVANCE TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SUZHOU INOVANCE TECH CO LTD
Publication Date
2012-10-03

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Abstract

The invention provides a crossed coupling synchronous control system of multiple motors, which is used for realizing synchronous control of two servo control units. The two servo control units are respectively used for controlling different servo motors to rotate, and each servo control unit comprises a position control subunit, a speed control subunit and a current control subunit; the crossed coupling synchronous control system comprises a stress detection unit and a stress crossed-coupling control unit; the stress detection unit is used for detecting the stresses at two rotating shafts on a gantry crossbeam; and the stress crossed-coupling control unit is used for carrying out current compensation on the current control subunits of the two servo control units according to the two stressed measured by the stress detection unit. The invention also provides a corresponding method. According to the crossed coupling synchronous control system and method provided by the invention, the torque adjustment is carried by stress detection of the gantry crossbeam, and the deflection of absolute positions between shafts in the synchronous control can be reduced.
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Description

technical field

[0001] The invention relates to the field of motor control, in particular to a multi-motor cross-coupling synchronous control system. Background technique

[0002] Synchronous control methods for multi-motors are generally divided into non-coupling and coupling methods. Currently, the commonly used non-coupling synchronous control methods include master-reference synchronization and master-slave synchronization.

[0003] In the uncoupled master reference synchronous control mode, each motor drive unit shares a given signal, that is, the master reference signal. The master command reference signal is directly applied to the motor of each unit, so that each unit can obtain a consistent input signal. The input signal of each unit is only affected by the reference signal, so the disturbance of any unit will not affect the working state of other units. There are two situations: one is when the following performance of each unit is similar and the motor of any un...

Claims

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