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| 压电驱动电源快速放电回路的研究 | |
| 引用本文： | 张蕊华,陈海初,张建辉,张年如,熊根良.压电驱动电源快速放电回路的研究[J].压电与声光,2011,33(5). |
| 作者姓名： | 张蕊华 陈海初 张建辉 张年如 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;浙江大学流体传动及控制国家重点实验室,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. 江西农业大学计算机与信息工程学院,江西南昌,330045 5. 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); 浙江大学流体传动及控制国家重点实验室开放基金资助项目(GZKF-201011) |
| 摘 要： | 为提高压电陶瓷驱动的高压精密微流量阀的频响及微流量输出控制精度,针对压电陶瓷驱动电源不能在断电后将压电陶瓷中的极化电荷迅速释放的缺点,该文在研究压电陶瓷驱动电源的过程中,设计并实现了一种新型快速放电回路,在驱动信号切断后,可快速对压电陶瓷进行放电,使其恢复初始状态,且其放电时间达到毫秒级.在完成快速放电同路特性仿真的基础上,利用所设计的压电陶瓷驱动电源及快速放电同路,对8 mm×8 mm×20 mm、电容为2.3 μF的压电陶瓷进行了驱动与快速放电试验测试,结果表明,该电源的快速放电特性,可有效提高压电驱动微流量阀流量的控制精度及流量阀的频率响应特性. |
| 关 键 词： | 压电陶瓷 电源 精密驱动 放电回路 微流量阀 |
Research on Quickly Discharge Circuits of Pizeoelectric Ceramic Driving Power Supply |
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| ZHANG Ruihua,CHEN Haichu,ZHANG Jianhui,ZHANG Nianru,XIONG Genliang.Research on Quickly Discharge Circuits of Pizeoelectric Ceramic Driving Power Supply[J].Piezoelectrics & Acoustooptics,2011,33(5). | |
| Authors: | ZHANG Ruihua CHEN Haichu ZHANG Jianhui ZHANG Nianru XIONG Genliang |
| Institution: | ZHANG Ruihua1,2,CHEN Haichu2,3,ZHANG Jianhui1,ZHANG Nianru4,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 310027,4.School of Computer and Information Engineering,Jiangxi Agricultural Univerity,Nanchang 330045,China) |
| Abstract: | In order to improve the frequency response characteristics and micro-flux output controlling precision of the piezoelectric driving high-pressure and precise micro-flux valve,we researched in detail the piezoelectric ceramic driving power supply(PCDPS) and a novel quickly discharge circuit(QDC) has been designed and implemented to overcome the shortcoming of the piezoelectric ceramic driving power supply(PCDPS) in which the polarization charges cannot be quickly discharged after powering off.The PCDPS can d... |
| Keywords: | piezoelectric ceramics power source precise driving discharge circuit micro-flux valve |
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