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Distributed synchronous control method of multi-motor network system

A network system and synchronous control technology, applied in the direction of motor generator control, electronic commutation motor control, multiple motor speed adjustment, etc., can solve the problems of many coupling nodes and high control cost, and achieve the effect of small coupling strength

Inactive Publication Date: 2020-03-27
GUANGXI NORMAL UNIV
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AI Technical Summary

Problems solved by technology

The traditional multi-motor system synchronous control is implemented by establishing a global coupling relationship, which requires many coupling nodes and high control costs

Method used

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  • Distributed synchronous control method of multi-motor network system
  • Distributed synchronous control method of multi-motor network system
  • Distributed synchronous control method of multi-motor network system

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Embodiment Construction

[0045] In order to express the present invention more clearly, the following further illustrates the present invention through specific examples.

[0046] The distributed synchronous control method of a multi-motor network system provided by the present invention includes the following steps:

[0047] Step 1: Build a PMSM network topology with N nodes in the PMSM multi-machine interconnection network system;

[0048] Step 2: arbitrarily specify to achieve where n 2 Chaotic synchronization of nodes, and the remaining n 1 =N-n 2 Child nodes are not synchronized;

[0049] Step 3: By adding or removing designated edges on the basis of the original PMSM network topology, the chaotic synchronization of n 2 Nodes have the same neighboring nodes, so that n 2 Each node presents a symmetrical structure in the entire network;

[0050] Step 4: Put n 2 Each node is regarded as a group of cluster network nodes for control, and the coupling strength critical point of synchronization control is calcula...

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Abstract

The invention provides a distributed synchronous control method of a multi-motor network system, and belongs to the technical field of synchronous control of the multi-motor network system. Accordingto the invention, the appointed connecting edges are added or removed on the basis of the original connecting network, so that a plurality of appointed nodes have the same adjacent nodes, a symmetrical structure is presented in the whole network, and the nodes are regarded as a group of cluster network nodes, thereby researching the chaotic synchronization of the group of cluster network nodes. According to the method, local synchronization of a plurality of motor nodes in the multi-motor system can be realized, the method is correct and effective, and the coupling strength of the method is smaller than that of global synchronization.

Description

【Technical Field】 [0001] The invention relates to the technical field of synchronous control of a multi-motor network system, in particular to a distributed synchronous control method of a multi-motor network system. 【Background technique】 [0002] Synchronization is an important performance index in many industrial applications, and it has always been one of the focuses of research by scholars. Synchronous operation of multiple motors is extremely important in motor networks. For example, textiles, metallurgy, filling, and four-axis drones are inseparable from coordinated and synchronized operations of multiple motors, which can ensure the stable operation of the network system and improve production efficiency ; It is of great significance to the reliability and stability of automated production. In the multi-motor network system, due to the increase of system complexity, the instability of the system is increased, so the study of multi-motor synchronization has important rese...

Claims

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Application Information

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IPC IPC(8): H02P5/46H02P21/00
CPCH02P5/46H02P21/00
Inventor 韦笃取钟国翔
Owner GUANGXI NORMAL UNIV
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