双晶片压电材料微型驱动系统研究  

Research on Micro Driving System for Bimorph Piezoelectric Materials

作　　者：李珉[1,2] 柏逢明[1] 

机构地区：[1]长春理工大学电子信息工程学院,吉林长春130022 [2]长春工业大学人文信息学院,吉林长春130122

出　　处：《压电与声光》2014年第6期929-932,共4页Piezoelectrics & Acoustooptics

基　　金：吉林省科技厅计划基金资助项目(20140520118JH);“八六三”国家高技术研究发展计划基金资助项目(2009AA03Z442)

摘　　要：在微型机器人应用中,双晶片压电材料作为执行器将电势能转化为机械变形。通常,此类执行器使用庞大而笨重的电源进行激励,因此限制了其应用范围。该文采用级联型抽头变压器(CTI)升压级与高电压驱动级进行级联,设计并研制了具有高能效、高增益双晶片压电材料微型驱动系统。该微型驱动系统能量转换效率峰值为68.5%,升压增益为162倍,且具备输出频率为4Hz,输出电压为600V的驱动能力。实验表明,该微型驱动系统可驱动双晶片压电材料,使其能在微型机器人领域中得到广泛应用。Bi-morph piezoelectric materials are being used as actuators to convert electrical energy to mechanical deformation in micro-robotic applications. Generally, these actuators are being excited using external bulky power supplies, which limit the application scope of the actuators. By utilizing the combination of cascade tapped inductor （CTI） boost stage with high voltage driving a high-efficiency and high-gain micro driving system for Bi-morph piezoelectric materials are designed and fabricated in this work. The proposed micro driving system has the following abilities of peak energy conversion efficiency of 68.5%, step-up gain of 162, output frequency of 4 Hz, and output voltage of 600 V. The experimental results show that the micro driving system is capable to drive the Bi-morph piezoelectric material and can be applied to a wide variety of micro-robot applications.

关 键 词：微型机器人 双晶片压电材料 级联型抽头变压器(CTI) 电压驱动级 微型驱动系统 

分 类 号：TN722.1[电子电信—电路与系统] TN384