摘要
根据压电陶瓷微位移器对驱动电源的需求,设计了压电驱动电源系统。详细介绍了电源系统中的数字电路部分和模拟电路部分,并对驱动电源的精度与稳定性进行了分析与改进。最后对驱动电源的性能进行了实验验证,实验结果表明:所设计的电源输出电压噪声低于0.43 mV、输出最大非线性误差低于0.024%、分辨率可达1.44 mV,能够满足高分辨率微位移定位系统中静态定位控制的需求。
According to the requirement of the micro piezoelectric actuator for driving power supply, a piezoelectric actua- tor power supply system was designed. In this paper, the digital circuit and analog circuit in the power supply system were de- scribed in detail. The accuracy and the stability of the actuator power supply were analyzed and improved. Finally, the perfor-mance of the power supply was verified in experiment. The experimental results indicate that the output voltage noise of the de- signed power supply is lower than 0.43 mV, the maximum nonlinear output error is less than 0.024%, and the resolution can reach 1.44 mV, which can meet the requirement of static positioning control in the high resolution micro-displacement system.
出处
《现代电子技术》
2013年第14期166-170,共5页
Modern Electronics Technique
基金
国家重大科技专项02专题资助(2009ZX02205)
关键词
ARM
压电陶瓷
驱动电源
PI控制器
ARM
piezoelectric ceramic
driving power supply
PI controller
