| 针对容性压电负载的桥式功率放大电路的设计 |
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| 引用本文： | 姚鹏,刘岩,张胜修,王道平.针对容性压电负载的桥式功率放大电路的设计[J].压电与声光,2011,33(2). |
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| 作者姓名： | 姚鹏 刘岩 张胜修 王道平 |
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| 作者单位： | 第二炮兵工程学院基础部,陕西西安,710025 |
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| 基金项目： | 陕西省自然科学基础研究计划基金，第二炮兵工程学院创新性探索研究基金 |
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| 摘 要： | 功率放大电路负责驱动容性压电负载,是整个压电执行器的关键部件.根据某驱动电源中的功率放大电路作为设计对象,通过采用桥式电路结构,从而提高了整体性能;通过研究放大器的共模输入电压范围,从而设定了非对称电源;通过分析波形,从而设定了电压增益;通过采用过压保护和限制电流,增强了电路的安全性;通过计算热工,设置了散热方式;通过使用方波测试法,测定了电路的稳定性.实验结果显示,该方法能实现双极性输出,以至于性能上的提高胜过了成本和复杂性的增加.
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| 关 键 词： | 压电执行器 驱动电源 放大电路 容性负载 桥式 |
Design of A Bridge Connected Power Operational Amplifiers Circuit for Capacitive Piezoelectric Loads |
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| YAO Peng,LIU Yan,ZHANG Shengxiu,WANG Daoping.Design of A Bridge Connected Power Operational Amplifiers Circuit for Capacitive Piezoelectric Loads[J].Piezoelectrics & Acoustooptics,2011,33(2). |
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| Authors: | YAO Peng LIU Yan ZHANG Shengxiu WANG Daoping |
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| Affiliation: | YAO Peng,LIU Yan,ZHANG Shengxiu,WANG Daoping(Dept.of Basic Theory,The Second Artillery Engineering College,Xi'an 710025,China) |
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| Abstract: | The power amplifier circuit is responsible for driving the capacitive piezoelectric loads,it is the key component of the piezoelectric actuator.By taking the power amplifier circuit in certain driving power as the object of design and utilizing the bridge connected circuit structure,the overall performance has been improved.By investigating the amplifier common-mode voltage range,the non-symmetrical power supply has been setted.By analyzing the waveform,the voltage gain has been setted and by applying the o... |
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| Keywords: | piezoelectric actuator driving power amplifier circuit capacitive load bridge connected |
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