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| 压电微流量阀驱动电源的研究 | |
| 引用本文： | 张蕊华,陈海初,张建辉,熊根良.压电微流量阀驱动电源的研究[J].压电与声光,2011,33(6). |
| 作者姓名： | 张蕊华 陈海初 张建辉 熊根良 |
| 作者单位： | 1. 南京航空航天大学机械结构强度与振动国家重点实验室,江苏南京210016;南昌大学机电工程学院,江西南昌330031 2. 南昌大学机电工程学院,江西南昌330031;浙江大学流体动力与机电系统国家重点实验室,浙江杭州310027 3. 南京航空航天大学机械结构强度与振动国家重点实验室,江苏南京,210016 4. 南昌大学机电工程学院,江西南昌,330031 |
| 基金项目： | 国家自然科学基金资助项目(50905083,50965014); 江西省自然科学基金资助项目(2010GZC0121); 浙江大学流体动力与机电系统国家重点实验室开放基金资助项目(GZKF-201011) |
| 摘 要： | 研究了一种低纹波输出的压电陶瓷驱动电源,实现对压电驱动微流量阀的输出微流量的控制.利用单片机控制数字频率合成芯片来产生各种函数信号,研究了高低压稳压电路、小信号放大处理及功率放大电路,控制信号经滤波、放大及稳压等处理后,函数信号形成高压输出,驱动压电陶瓷,对微流量阀阀芯位移进行驱动,从而实现对微流量阀输出微流量的精密控制.通过对该电源输出特性的试验研究,结果表明,该电源具有良好的输入输出线性特性及低纹波特性,其线性度拟合相对误差仅为84 mV,高压输出纹波电压低于10 mV,这对提高微流量阀输出微流量的控制精度具有重要意义. |
| 关 键 词： | 压电陶瓷 精密驱动 微流量阀 直接数字频率合成(DDS)集成芯片 |
Research on the Driving Power Supply of Pizeoelectric Micro-Flux Valve |
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| ZHANG Ruihua , CHEN Haichu , ZHANG Jianhui , XIONG Genliang.Research on the Driving Power Supply of Pizeoelectric Micro-Flux Valve[J].Piezoelectrics & Acoustooptics,2011,33(6). | |
| Authors: | ZHANG Ruihua CHEN Haichu ZHANG Jianhui XIONG Genliang |
| Affiliation: | ZHANG Ruihua1,2,CHEN Haichu2,3,ZHANG Jianhui1,XIONG Genliang2 (1.State Key Lab.of Mechanics and Control of Mechanical Structures,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China,2.School of Mechanical & Electrical Engineering,Nanchang University,Nanchang 330031,3.State Key Lab.of Fluid Power Transmission and Control,Zhejiang University,Hangzhou 310027,China) |
| Abstract: | A piezoelectric ceramic driving power supply with a small ripple wave output has been carried out in this paper.The control of the output micro flux of the piezoelectric driving micro-flux valve has been realized.A micro-computer unit(MCU) was used to control the direct digital frequency-synthesizer(DDS) to generate different types of function signals.The low-voltage and high-voltage stablizing circuit,small signal amplifying circuit and the power amplifying circuit have been especially reserached.After the... |
| Keywords: | piezoelectric ceramics precise driving micro-flux valve integrated direct digital frequency-synthesizer(DDS) chip |
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