Cross coupling cooperative control method for double permanent magnet synchronous motors of aviation airborne suspension lifting system

By combining dynamic topology weights and consensus protocols with fuzzy active disturbance rejection control, a hierarchical collaborative control method was adopted to solve the problems of cross-coupling interference and synchronization error accumulation in an airborne suspension lifting system driven by dual permanent magnet synchronous motors, thus achieving high-precision load lifting with strong anti-interference capabilities.

CN120675458APending Publication Date: 2025-09-19LANZHOU WANLI AVIATION MECHANICAL & ELECTRICAL RESPONSIBILITY CO LTD +1
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Patent Information

Application Number
CN202510862853.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-25
Publication Date
2025-09-19

AI Technical Summary

Technical Problem

In the existing technology, the airborne suspension lifting system driven by dual permanent magnet synchronous motors has problems of cross-coupling interference and synchronization error accumulation, which leads to instability in the lifting process, making it difficult to meet the rapid lifting requirements of heavy ammunition or large-tonnage cargo. In addition, the mechanical transmission structure is complex and has a high failure rate.

Method used

A hierarchical collaborative control method combining dynamic topology weights and consensus protocols with fuzzy active disturbance rejection control is adopted. By dynamically allocating weights, load differences and coupling effects are balanced. The bottom layer adopts a fuzzy active disturbance rejection controller that integrates command smoothing, disturbance observation and parameter dynamic optimization modules to achieve bidirectional suppression of speed-position error.

Benefits of technology

It achieves high-precision synchronous control of the dual-motor system under complex disturbances, improves anti-interference capability and system stability, and ensures rapid and reliable load increase.

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Abstract

The invention provides a cross-coupling cooperative control method for double permanent magnet synchronous motors of an aviation airborne suspension lifting system. The cross-coupling cooperative control method comprises the following steps: acquiring a global instruction and real-time state feedback of the double motors; based on the global instruction and the real-time state feedback, constructing a dynamic topology and dynamically adjusting the weight to obtain the weight of the dynamic topology; generating a collaborative correction based on the weight of the dynamic topology and a consistency protocol; dynamic error balanced distribution under load disturbance is carried out based on the collaborative correction amount; and controlling the double motors based on an error balanced distribution result. According to the method, dynamic weight distribution and dynamic error balanced distribution are combined, multi-source interference working conditions such as mechanical unbalance loading, dynamic coupling and parameter disturbance can be dealt with, synchronous errors and disturbance fluctuation in a dual-motor system can be accurately monitored and coordinated, and high-precision stability of cooperative driving is guaranteed.
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