This paper aims to develop vector controlled permanent magnet linear synchronous motor (PMLSM) based on simplified space vector pulse width modulation. Mathematical models of PMLSM&SVPWM presented. The present PWM technique does not involve any sector identification and considerably reduces the computation time when compared to conventional space vector PWM technique. To validate the proposed a...

Inverters provided non-sinusoidal voltage or current, and the tooth-slot and winding distribution of the motor could lead to a mass of space harmonic components, severely deteriorating the motor performance. In order to know the cause of electromagnetic thrust and mover velocity fluctuation of low-velocity PMLSM fed by SPWM-VS, the steady-state performances of low-velocity PMLSM are analyzed in...

Due to uncertainties exist in the applications of the a permanent magnet linear synchronous motor (PMLSM) servo drive which seriously influence the control performance, thus, an integral backstepping control system using adaptive recurrent neural network uncertainty observer (RNNUO) is proposed to increase the robustness of the PMLSM drive. First, the field-oriented mechanism is applied to form...

-The permanent magnet linear synchronous motor (PMLSM) is sensitive to various disturbances such as the load disturbances, parameter perturbations, end effect and so on. To overcome this trouble, a new nonlinear robust controller using the homogeneity-based higher-order sliding mode control technique for the PMLSM is proposed. The detailed systematic controller design procedure is discussed. A ...

Permanent magnet linear synchronous motor (PMLSM) for rope-less hoist system, which has the advantages of simple structure, small volume, high force, unlimited hoisting height and speed, is a research focus and difficulties in the vertical hoist field. In this paper, according to the key technical problems of PMLSM for rope-less hoist system, a design scheme of direct driving high-speed elevato...

Permanent magnet linear synchronous motor (PMLSM) has several advantages, such as simple structure, small volume, high force, and so on. It is a research focus and difficulties in the research field of motor. Because PMLSM is different from the traditional rotary motors in structure and running state, it is difficult for to build its precise mathematical model by analytical method. The asymmetr...

Permanent magnet linear synchronous motor (PMLSM), which has the advantages of simple structure, small volume, high force, is a research focus and difficulties because of the thrust ripple and control problems for PMLSM. In this paper, in order to reduce thrust ripple and improve system control performance, the space voltage vector pulse width modulation technology (SVPWM) was introduced into t...

In view of the control problem of Permanent magnet linear synchronous motor (PMLSM), applying port-controlled Hamiltonian (PCH) systems and passivity -based control theory, the modeling of Permanent Magnet Linear Synchronous Motor is presented. Using energy-shaping and passivity-based control (PBC) method, the control principle of PMLSM is given. The control laws are presented in load known con...

The Electromagnetic Aircraft Launch System (EMALS) offers significant benefits to the aircraft, ship, personnel, and operational capabilities. EMALS has such advantages as high thrust, good controllability, reusable, etc., as a launching motor, a double-side plate Permanent Magnet Linear Synchronous Motor (PMLSM) can provide high instantaneous thrust. This paper presents the design and analysis...

Permanent magnet linear synchronous motors (PMLSMs), which have great advantages, such as simple structure, high positioning accuracy, good performance, high thrust force density, high dynamic response, are widely used in high precision direct drive field. As a research focus and difficulty, the force ripper and dynamic characteristic of PMLSM is important for its performance. In this paper, th...