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Multi-motor synchronous control method based on identification model

A technology of synchronous control and identification model, which is applied in the direction of speed adjustment of multiple motors, manufacturing tools, accessories of shearing machines, etc., to achieve the effect of good robustness and good synchronization performance.

Active Publication Date: 2019-08-20
CENT SOUTH UNIV
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Problems solved by technology

Therefore, it is necessary to propose a new servo synchronous control method for the multi-motor synchronous control system of the high-speed shearing machine for metal soft strips at high speeds and variable loads, so as to effectively overcome the position control accuracy drop and strip slippage of conventional servo control methods at high speeds. The impact brought by the realization of high-speed, high-precision automated production

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  • Multi-motor synchronous control method based on identification model
  • Multi-motor synchronous control method based on identification model
  • Multi-motor synchronous control method based on identification model

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Embodiment Construction

[0041] In order to make the technical means, creative features, work flow, use method, purpose and effect of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation examples.

[0042] Build a multi-motor synchronous control scheme for the metal soft strip shearing system, such as figure 1 The composition diagram of the system is shown. The system is mainly composed of three parts: discharging system, shearing system and conveying system. The unwinding system is mainly driven by the unwinding motor to rotate the material disc for automatic unwinding. During the process, the pneumatic tension roller is constantly adjusted to maintain a constant tension; the strip driving and shearing system is the core part of the entire equipment, and the feeding is mainly driven by the feeding motor. Composed of rollers and shearing mechanisms; the conveying system is composed of belts and conveying motors. Th...

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Abstract

The invention discloses a multi-motor synchronous control method based on an identification model, which proposes a given speed modification algorithm based on the identification model in consideration of a circumstance that the position control performance of a servo control system will be affected at a high speed and variable load, thereby being capable of obtaining excellent application in a high-speed variable-load servo control system. The multi-motor synchronous control method can effectively improve the high-speed shearing accuracy of the system, and enables the system to have fast response and an ability of overcoming the interference such as slippage between a strip and a feeding roller.

Description

technical field [0001] The invention relates to a multi-motor synchronous control system for a high-speed shearing machine for soft metal strips, in particular to a multi-motor synchronous control method based on an identification model. Background technique [0002] The shearing machine is an indispensable and important equipment in the continuous production line of soft metal strips. Its purpose is to cut fixed-length strips and provide high-precision metal sheets for subsequent processes. At present, the functional requirements of the shearing machine are constantly improving, and at the same time, higher requirements are put forward for the production efficiency and processing accuracy of the shearing machine. The improvement of shearing speed and shearing quality will bring great social and economic benefits. Therefore, the research on the high-speed and high-precision soft metal strip shearing system has important theoretical significance and practical value. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P5/52H02P5/56B23D15/04B23D33/00B23D33/12
CPCB23D15/04B23D33/00B23D33/12H02P5/52H02P5/56
Inventor 彭辉张丁匀童立吴锐
Owner CENT SOUTH UNIV
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