Improved dynamic and steady state performance of a hybrid speed controller based IPMSM drive

M. Uddin, R. S. Rebeiro
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引用次数: 6

Abstract

This paper presents a high performance interior permanent magnet synchronous motor (IPMSM) drive system based on a hybrid intelligent speed controller. Closed loop vector control technique is applied to model the drive system and the hybrid speed controller is designed as a combination of a PI controller with fuzzy inference system. The speed controller is designed in such a way that satisfactory speed and torque responses can be attained in both steady state and dynamic conditions. A flux controller is also incorporated so that both torque and flux of the motor can be controlled while maintaining current and voltage constraints. Thus the proposed drive widens the operating speed limits for the motor and enables the use of the reluctance torque. To investigate the performances in both transient and steady state conditions, the results of the proposed IPMSM drive system are compared with those of the conventional PI controller based drive in simulation. The proposed IPMSM drive is also implemented in real-time using DSP board DS1104 for a laboratory 5 HP motor. Both simulation and experimental results demonstrate the better responses in terms of torque and speed for the proposed drive over a wide speed range.
改进了基于IPMSM驱动器的混合速度控制器的动态和稳态性能
提出了一种基于混合智能调速控制器的高性能内置永磁同步电机驱动系统。采用闭环矢量控制技术对驱动系统进行建模,并设计了PI控制器和模糊推理系统相结合的混合速度控制器。速度控制器的设计使其在稳态和动态条件下都能获得令人满意的速度和转矩响应。磁链控制器也被纳入,以便电机的转矩和磁链都可以控制,同时保持电流和电压的限制。因此,所提出的驱动器拓宽了电机的运行速度限制,并使使用磁阻扭矩成为可能。为了研究IPMSM驱动系统在瞬态和稳态条件下的性能,将所提出的IPMSM驱动系统与传统PI控制器驱动系统的仿真结果进行了比较。所提出的IPMSM驱动也在实验室5hp电机上使用DSP板DS1104实时实现。仿真和实验结果均表明,在较宽的速度范围内,所提出的驱动器在转矩和速度方面都有较好的响应。
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