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2012•International Conference on Mechanic Automation and Control EngineeringRequires access

Research and Test of Micro-Voice Coil Motor's Dynamic Parameters

Yongzhe Yao, Jianshe Ma, Ping-Nan Chen, Zhiguo Zeng

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Abstract

Micro-voice coil motor is the actuator of embedded scanning module. It can make the module achieve focusing by driving the lens' movement, so that the CMOS sensor could get clear images. The performance of the module can be determined by voice coil motor's dynamic parameters. This paper gives micro-voice coil motor's working principle from theoretical analysis, and also discusses some important dynamic parameters and a kind of test method based on Doppler Effect.

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What this paper is about

Micro-voice coil motor is the actuator of embedded scanning module. It can make the module achieve focusing by driving the lens' movement, so that the CMOS sensor could get clear images. The performance of the module can be determined by voice coil motor's dynamic parameters. This paper gives micro-voice coil motor's working principle from theoretical analysis, and also discusses some important dynamic parameters and a kind of test method based on Doppler Effect.

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Available abstract

Micro-voice coil motor is the actuator of embedded scanning module. It can make the module achieve focusing by driving the lens' movement, so that the CMOS sensor could get clear images. The performance of the module can be determined by voice coil motor's dynamic parameters. This paper gives micro-voice coil motor's working principle from theoretical analysis, and also discusses some important dynamic parameters and a kind of test method based on Doppler Effect.

Key concepts: Voice coil, Electromagnetic coil, Actuator, Computer science, Acoustics, Electronic engineering, Engineering, Electrical engineering

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