Life without hobbies will be disastrous

I. Changes brought by the epidemic ​According to a report released by the United Nations[1], the economic growth rates of the United States and the European Union will be 0.4% and 0.2% respectively in 2023, Japan will be 1.5%, and the economies of the United Kingdom and Russia will experience…
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Notes for Motor Enthusiasts: Magnet and PMSM

Ⅰ. Introduction Nowadays more and more people choose to use PMSM(Permanent Magnet Synchronous Motor) because of its up to 20% energy-saving effect. Today I want to introduce the effect of Magnet Geometry and Tolerances on Motor Magnet Width. I hope it will be helpful to you. Ⅱ. Effect of the thickness…
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The cornerstone of robotics

DEFINITION Coreless DC motors are a type of DC motor that provides many advantages over traditional iron-core DC motors[1]. They are often used for highly dynamic movements and are ideal for use in robotic applications. APPLICATION Coreless DC motors are widely used in industrial automation. ​They can be used in…
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Brushless DC motor (BLDC) and permanent magnet synchronous motor (PMSM) differences

1, structural differences, brushless DC motors usually rotor poles using tile magnets, after the magnetic circuit design, you can get trapezoidal wave of air gap magnetic density, stator winding more concentrated whole pitch winding, so the induction counter-electromotive force is also trapezoidal wave. Brushless DC motor control requires position information…
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