in this paper, the optimal design of a three phase surface mounted permanent magnet synchronous motor has been done by particle swarm optimization and bees algorithm. this machine has been designed for high speed applications, and an epoxy and glass fiber bandage is used for permanent magnet protection against centrifugal forces. the optimization has been done by new design equations to improve...

The accurate information of the initial rotor position is very critical for successful starting of the Surface-mounted Permanent Magnet Synchronous Motor (SPMSM). In order to solve the problems of low accuracy and unreliability in the conventional estimation strategy, in this paper, an improved initial rotor position estimation strategy without any position sensor for SPMSM at standstill is pro...

Recent advancements in power electronics technology evolves inverter fed electric motors. Speed signals and rotor position are essential for controlling an motor accurately. In this paper, the sensorless speed control of surface-mounted permanent magnet synchronous (SPMSM) has been attempted. SPMSM wants a digital its precise working. Hence, study incorporates fifteen level to SPMSM. A sliding ...

This paper presents a torque error compensation algorithm for a surface mounted permanent magnet synchronous machine (SPMSM) through real time permanent magnet (PM) flux linkage estimation at various temperature conditions from medium to rated speed. As known, the PM flux linkage in SPMSMs varies with the thermal conditions. Since a maximum torque per ampere look up table, a control method used...

This paper investigates a drive system with energy recovery which uses 3-phase 1-kW 36-slot 12-pole distributed winding outer-rotor surface-mounted permanent-magnet synchronous motor (SPMSM) and generator (SPMSG), can be used in indoor exercise bicycles. In order to extend operating speed range, the constant torque control, flux-weakening maximum torque/voltage control are its operation up 1.75...

Aiming at sensorless control system of surface attached permanent magnet synchronous motor (SPMSP), three observation algorithms proposed in recent years to estimate rotor position and speed under medium-high operation were introduced this paper. The working principles, advantages disadvantages these such as the Extended Kalman filter algorithm (EKF), Model Reference Adaptive System (MRAS) Slid...

This paper proposed an improved full-order sliding-mode observer (IFSMO), applied to a sensorless control system of surface-mounted permanent magnet synchronous motor (SPMSM), obtain high-precision rotor speed and position. First, the IFSMO method, which combines new function with variable boundary layer function, is presented suppress chattering accelerate convergence system. Meanwhile, since ...

in this paper, the driver with antiwindup and fuzzy high-performance and robust pi controller has been suggested for permanent magnet synchronous motor (pmsm). this controller is suggested for the design of the robust driver for three phase pmsm and the cost reduction of its control system. it’s useful for the industrial application and automation and ultimately speed control and the improvemen...

Abstract In this paper, an adaptive nonlinear controller is designed for rotor Surface Permanent Magnet Synchronous Motor (SPMSM) drive on the basis of Input-Output Feedback Control (IOFC), and Recursive Least Square (RLS) method. The RLS estimator detects the motor electromechanical parameters, including the motor iron loss resistance online. Moreover, a Sliding-Mode (SM) observer is developed...

To achieve the high-performance control of surface-mounted permanent magnet synchronous motor (SPMSM) speed system, this paper proposes a high-order sliding mode strategy based on new super twisting algorithm (NSTA). This introduces an adaptive term in its proportional original algorithm, which solves low reaching and poor antidisturbance ability due to square root calculation algorithm. The si...