压电流体惯性驱动器的基础理论及关键技术研究

项目名称： 压电流体惯性驱动器的基础理论及关键技术研究

项目编号： No.51205369

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 机械工程学科

项目作者： 温建明

作者单位： 浙江师范大学

项目金额： 25万元

中文摘要： 提出一种新型压电流体惯性驱动技术的研究思路。该驱动技术结合了压电惯性驱动技术与压电流体驱动技术的特点，形成高频、低压电信号输入转换为低速/低频、高驱动力/压力、精密位移/流体输出的方案，探讨这种驱动能力的形成理论和方法，进而构造驱动能力强、能量转换率高、大行程且易于控制的新型压电流体惯性驱动器，用于航空航天、燃料电池燃料供给、药物输送等领域。主要研究内容：① 建立压电振子、流体及负载间耦合作用的动力学模型，获得机、电、液系统要素对驱动器性能的影响规律和参数最优匹配关系；② 进行多种方案样机的制作与试验，测试分析驱动器工作负载、刚度及相关结构参数对驱动器的驱动能力、速度/流量及响应特性的影响规律，获得影响大行程、高驱动能力输出的关键要素及最优驱动与控制方案；③ 完成集成样机的设计与制作（2台以上），提供设计方法和关键技术。项目的工作拓宽压电驱动器的应用领域，为压电驱动器的进一步研究提供依据。

中文关键词： 压电；流体；惯性；摩擦；非对称

英文摘要： In this project, a new fluid inertial piezoelectric driving technology based on the current piezoelectric inertial driving technology and piezoelectric fliud driving technology is proposed to transform the high frequency, low voltage signal into an output characterized with low speed (low frequency), high driving force (pressure) and precise displacement (fluid flow), and analyze the driving force transformation method and theory, and then a new piezoelectric fliud inertial actuator characterized with high driving force, high energy efficiency, large stroke and easy control has been developed for use the appliactions fields such as aerospace、fuel feeder of fuel cell and drug delivery. The aim contents of this project include: ①to establish the dynamic model among the piezoelectric vibrator、fluid and load，and obtain the influence and matching relationship of the key parameters; ②to produce prototypes with different parameters to measure the performance of driving force and speed as the parameters vary, and analyze the optimized scheme to obtain large stroke and high driving force; ③to provide at least 2 integrated prototypes as well as the design details and the key technologies. Research in this project will help to expand the application fields of piezoelectric actuators and provide the evidence for the study o

英文关键词： piezoelectric；fliud；inertia；friction；asymmetric