The PCB sliding coil motor without iron core has the advantage of no teeth interlocking, no positioning force, lower thrust density, no attraction between the stator and the rotor, which leads to a smoother thrust generation, reduced thrust fluctuation, and correspondingly lower vibration and noise. These are its significant advantages, but it also has the disadvantage of complex manufacturing process, complicated bone structure design and winding fixing, and difficulty in installation in applications with limited installation space. In view of this problem, this paper designs a PCB sliding coil motor with a thrust of 6.4N. The motor uses a PCB board to replace the epoxy resin used to fix the winding, which can reduce the size of the motor. The PCB winding has the advantages of good manufacturing process, high precision, low cost, and easier mass production. This paper conducts research on the electromagnetic design of the PCB sliding permanent magnet synchronous linear motor and carries out design work on the PCB sliding permanent magnet synchronous linear motor. Initially, the structure and operating principles of the linear motor are elucidated, followed by the design of the motor in accordance with specified requirements. Upon determining the motor's dimensions, a model is constructed and simulated using ANSYS Maxwell software. The simulation outcomes are then analyzed to validate the accuracy of the design.
The emergence of the rotary transformer has provided a new solution to replace the brushes of electric motors. This paper presents structural modifications based on traditional rotary transformers to study the transmission characteristics of electrical energy. It explores the impact of key parameters on performance through theoretical analysis, establishes a finite element model for validation, and conducts simulation analyses in both stationary and rotating states. To address the nonlinear changes occurring in the rotating state that may lead to suboptimal designs, a solution using genetic algorithms is employed, resulting in a comprehensive design scheme for rotary transformers.
With the continuous acceleration of development in recent years, energy has become an important strategic reserve, and energy-saving technology and environmental protection concepts have become important research directions in development. In automatic transmission, low efficiency, high energy consumption, easy to generate electric sparks are important problems at present. This project is a wireless direct drive circulation transport device, which uses non-contact power transmission to supply power to the mover in real time. The dynamic coil structure, contact (sliding touch) power supply, easy to produce electric sparks and powder and other defects, and the dynamic magnetic structure needs to lay a large number of drive controllers and position sensors for stator segmental switching power supply control along the way, resulting in complex control systems and high cost defects.
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