A three-degree-of-freedom motion permanent magnet spherical stepping motor current control device
A stepping motor and current control technology, applied in the direction of motor generator control, control system, electrical components, etc., can solve the problems that the permanent magnet spherical stepping motor is no longer applicable, and the number of stator coils of the permanent magnet spherical stepping motor is large. , to achieve the effect of controllable current size and polarity, simple structure and stable performance
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[0013] like figure 1 As shown in the figure, the specific embodiment of a three-degree-of-freedom motion permanent magnet spherical stepping motor current control device of the present invention includes: a main control station, a control module, a driving module, and a position detection module, and the main control station is composed of a PC machine, Connected with the control module, the control module includes a microprocessor, and is connected with the drive module through the data bus, such as figure 2 The drive module shown includes an inverter circuit, a drive circuit, an overcurrent protection circuit and a current sampling circuit. The input end of the inverter circuit is connected to the control module, and the input end of the drive circuit is connected to the inverter circuit. The output end of the inverter circuit is connected with the permanent magnet spherical stepping motor, the current sampling circuit is connected with the output end of the inverter circui...
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