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Precise Linear-Motor Synchronization Control via Cross-Coupled Second-Order Discrete-Time Fractional-Order Sliding Mode

IEEE/ASME transactions on mechatronics, 2021
This article presents a universal method of precise synchronization control for linear-motor-driven systems. The control method named cross-coupled second-order discrete-time fractional-order sliding mode control contains a cross-coupled control strategy
Zhian Kuang, Huijun Gao, M. Tomizuka
semanticscholar   +1 more source

High Precision Robust Control for Periodic Tasks of Linear Motor via B-Spline Wavelet Neural Network Observer

IEEE transactions on industrial electronics (1982. Print), 2022
As one of the core components of high-end manufacturing equipment, the linear motor (LM) plays an important role in high efficiency and high quality production of the equipment.
Yanbin Liu, Weichao Sun, Huijun Gao
semanticscholar   +1 more source

Fast and Accurate Motion Tracking of a Linear Motor System Under Kinematic and Dynamic Constraints: An Integrated Planning and Control Approach

IEEE Transactions on Control Systems Technology, 2021
Achieving a fast transient response and high steady-state tracking accuracy simultaneously has been a challenging issue for the linear motor system in the presence of kinematic and dynamic constraints, various parametric uncertainties, and uncertain ...
Mingxing Yuan   +3 more
semanticscholar   +1 more source

A Kilo-Amp Linear-Motor Type Flux Pump

IEEE transactions on applied superconductivity, 2022
A kilo-amp linear-motor type flux pump with the maximum output DC current exceeding 1610 A had been designed and manufactured. We had optimized the large-current flux pump based from the previous design, and shortened the travelling wavelength of the ...
Wei Wang   +10 more
semanticscholar   +1 more source

Real-Time Jerk Limited Feedrate Profiling and Interpolation for Linear Motor Multiaxis Machines Using NURBS Toolpaths

IEEE Transactions on Industrial Informatics, 2022
In this article, a NURBS toolpath feedrate profile generation algorithm for a biaxial linear motor control system is presented. High achievable velocities and accelerations of linear motor machines present new computational challenges in implementing ...
Krystian ErwiƄski   +2 more
semanticscholar   +1 more source

Composite Data Driven-Based Adaptive Control for a Piezoelectric Linear Motor

IEEE Transactions on Instrumentation and Measurement, 2022
Piezoelectric linear motors play an important role in ultraprecision manufacturing technology. However, the complex nonlinear relationship between the input and output of the piezoelectric linear motors limits their further application.
Yifan Wang   +4 more
semanticscholar   +1 more source

A Fault Diagnosis Method for Current Sensors of Primary Permanent-Magnet Linear Motor Drives

IEEE transactions on power electronics, 2021
In this article, a fault diagnosis method is proposed to detect current sensor faults for the studied primary permanent-magnet linear motor (PPMLM) traction system, in which only two current sensors are required, and the gain fault and zero-offset fault ...
Wei Wang   +4 more
semanticscholar   +1 more source

Analysis of a New Flux Switching Permanent Magnet Linear Motor

IEEE transactions on magnetics, 2021
A novel flux switching permanent magnet linear motor (FSPMLM), which has the advantages of high thrust density [the ratio of average thrust to permanent magnet (PM) volume] and low cost for long-stroke application, is proposed and investigated in this ...
Qiang Tan, Mingyi Wang, Liyi Li
semanticscholar   +1 more source

Model Predictive Thrust Force Control for Linear Motor Actuator used in Active Suspension

IEEE transactions on energy conversion, 2021
As the core mechanism of active suspension, the control strategy of linear motor actuator is the key factor to affect ride comfort. This paper presents a model predictive thrust force control (MPTFC) method with switching frequency term in the evaluation
Xiaodong Sun   +3 more
semanticscholar   +1 more source

Temperature Field Calculation and Water-Cooling Structure Design of Coreless Permanent Magnet Synchronous Linear Motor

IEEE transactions on industrial electronics (1982. Print), 2021
In this article, a water-cooled structure with water-cooled plates between the primary double-layer windings field of the primary structure under short-term high overload conditions and periodic operations is calculated.
Zhongliang Pei   +5 more
semanticscholar   +1 more source

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