Design of High Precision Rotary Pointing Device Driven by Voice Coil Motors

In the field of remote spectral sensing technology, design of high precision rotary pointing device driven by voice coil motor is presented in this paper, which can be used in many similar tracking or scanning devices. The voice coil motor has a simple structure, without any structure for reversing, and is easy to be controlled. By strictly matching the characteristics of device load and the working conditions, the features of voice coil motor is utilized efficiently. While ensuring the precision of motion, the size and mass of the devices are reduced. In the end, some analysis, calculation and experiment are presented. Comparing precision, size, mass and other parameters to some similar tracking or scanning devices in space products, this design got certain superiority.