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A single chip FPGA-based solution for controlling of multi-unit PMSM motor with time-division multiplexing scheme

机译：基于时分多路复用方案的基于FPGA的多单元PMSM电机控制解决方案

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摘要

The use of multiple unit controllers for parallel processing of multi-unit motor drive systems can significantly reduce the execution time of the control algorithm. However, this approach does not only increase the system cost but also incurs in additional cost of hardware and software interconnections. This paper presents a fully integrated single chip field programmable gate array (FPGA) based solution for controlling of an independent multi-unit permanent magnet synchronous motor (PMSM) drive system with space vector pulse width modulation (SVPWM) based vector control. For multi-unit motor systems, the complexity of control algorithms often exceeds the resource availability of low-cost FPGA devices. Thus, a system-level time-division multiplexing scheme applicable for multi-motor control systems is proposed. Using the proposed method, large identical complex control algorithms can be simplified into a single compact algorithm, which is fitted and configured into a low-cost FPGA. Simulation modeling and experimental results are shown, confirming the effectiveness of a multi-unit PMSM motor drive system using an inexpensive controller based on system-level time-division multiplexing scheme, which can operate simultaneously with robustness under different operating conditions. (C) 2015 Elsevier B.V. All rights reserved.
机译：将多单元控制器用于多单元电动机驱动系统的并行处理可以显着减少控制算法的执行时间。但是，这种方法不仅增加了系统成本，而且还增加了硬件和软件互连的额外成本。本文提出了一种基于完全集成的单芯片现场可编程门阵列（FPGA）的解决方案，用于基于空间矢量脉冲宽度调制（SVPWM）的矢量控制来控制独立的多单元永磁同步电动机（PMSM）驱动系统。对于多单元电机系统，控制算法的复杂性通常超过了低成本FPGA器件的资源可用性。因此，提出了适用于多电动机控制系统的系统级时分复用方案。使用所提出的方法，可以将大型相同的复杂控制算法简化为单个紧凑算法，然后将其装配并配置到低成本FPGA中。显示了仿真模型和实验结果，证实了使用便宜的控制器为基础的多单元PMSM电动机驱动系统的有效性，该控制器基于系统级的时分多路复用方案，可以在不同工作条件下稳定运行。 （C）2015 Elsevier B.V.保留所有权利。

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