将圆筒型直线电机与井下泵组合成机电一体化产品的设想，使整个系统的结构变得简单而易于控制。
This electromechanical product imagination combined cylinder linear motor with well pump, which makes the whole system easily controlled and simplified.
分析了圆筒型直线电机的性能及其作为井下泵动力系统的优势和应用前景，提出了直线电机结构改进方向。
The paper analyzes the characters of cylinder linear motor and the advantages and application future as the well pump drive system, and mentions the its structure modification direction.
提出了一种圆筒型错片结构微型直线步进电机。
The paper puts forward a cylindrical staggered-sheet structure micro linear stepping motor.
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