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High accuracy position system using linear stepping motor drive - has phase angle displaced input current signals used with correction process applied
High accuracy position system using linear stepping motor drive - has phase angle displaced input current signals used with correction process applied
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机译:使用线性步进电机驱动的高精度位置系统-具有相角位移的输入电流信号,并应用了校正过程
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摘要
The linear stepping motor drive system has a personal computer (2) with D/A cards (4), coupled to a power amplifier (3) that supplies the moving parts (7) of the motor. The motion is measured by a laser position sensor (11). The motor has the moving part and a stator (7) separated by an air film. The moving part has soft iron cores with inset coils. The two core and coil arrangements are excited by phase displaced frequencies. The ratio between the two current drives is determined and tabulated values used as input. ADVANTAGE - Provides accuracy in the range of +/- 30 micrometer.
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