数字孪生驱动下永磁同步电机滑模变结构一体化解耦控制

提出数字孪生驱动下永磁同步电机（PMSM）滑模变结构一体化解耦控制方法，改善永磁同步电机控制能力。构建基于数字孪生技术的永磁同步电机控制结构，通过设备层采集实际永磁同步电机运行数据及环境数据，作为数字孪生驱动数据来源，孪生建模层依据获取永磁同步电机数据，构建永磁同步电机的数字孪生驱动模型以及虚拟场景，经虚拟模型与虚拟场景耦合后，在虚拟场景中还原永磁同步电机运行状态；在孪生控制层中设计精确线性化解耦控制方法，并构建速度、电流一体化滑膜解耦控制器，在虚拟环境中通过解决永磁同步电机速度与电流之间的非线性耦合问题，完成实体电机解耦控制；同时数字孪生控制结构各层之间通过孪生数据传输实现数据交换与指令下发，实现有效的电机控制。经实验验证：经该方法控制后，永磁同步电机可在负载突加与突卸状态下保持平稳的电流与转矩，同时还可以迅速调整电机转速，使电机保持在理想状态下运行。

Integrated Decoupling Control of Sliding Mode Variable Structure of Permanent Magnet Synchronous Mmotor Driven by Digital Twin

A sliding mode variable structure integrated decoupling control method for permanent magnet synchronous motor (PMSM) driven by digital twin is proposed to improve the control capability of PMSM. The control structure of permanent magnet synchronous motor based on digital twin technology is constructed. The actual permanent magnet synchronous motor operation data and environmental data are collected through the equipment layer as the source of digital twin drive data. The twin modeling layer constructs the digital twin drive model and virtual scene of permanent magnet synchronous motor based on the data of permanent magnet synchronous motor. After the virtual model is coupled with the virtual scene, the running status of the permanent magnet synchronous motor is restored in the virtual scene; The precise linearization decoupling control method is designed in the twin control layer, and the speed and current integrated sliding film decoupling controller is constructed. In the virtual environment, the decoupling control of the solid motor is completed by solving the nonlinear coupling problem between the speed and current of the permanent magnet synchronous motor; At the same time, the digital twin control structure realizes data exchange and command issuing through twin data transmission between each layer so as to achieve effective motor control. The experimental results show that the permanent magnet synchronous motor can maintain stable current and torque under sudden load and unloading and can rapidly adjust the motor speed to keep the motor running in an ideal state.