压电陶瓷迟滞特性是影响压电陶瓷驱动器位移输出精度的主要因素。
Hysteresis characteristic is the main factor affecting the accuracy of PZT's output displacement.
本文采用粉末冶金法研制了PZT系独石型梯度功能压电陶瓷驱动器。
A monolithic piezoelectric actuator based on functionally gradient PZT ceramics was prepared by powder metallurgical process.
同样的,本文设计了一套方案,利用了压电陶瓷驱动器来提高回转定位精度。
This dissertation gave a solution to improving positioning accuracy of rotary table by using a piezoelectric ceramic drive.
研究了压电陶瓷驱动器的复杂非线性滞回动力学系统建模及其位移跟踪控制问题。
The modeling and displacement tracking control of a piezoceramic actuator with complex nonlinear hysteresis was studied.
计算结果表明试验模型结构振动位移的减小主要取决于压电陶瓷驱动器所引起的结构阻尼变化。
Calculating results show that the reduction of vibration displacement is mainly due to the structural damping variety caused by PZT actuators.
利用模糊自整定PID控制算法对压电陶瓷驱动器进行了闭环控制,提高了驱动器的输出位移精度;
Second, the control algorithm of self-tuning fuzzy PID was developed to realize high precision control on piezoelectric actuators.
翼型会员根据权利要求1,进一步组成的连杆的联系,分别和中间人之间的连接说,压电陶瓷驱动器,并表示皮瓣。
The airfoil member according to claim 1, further comprising connecting rod linkages respectively interposed and connected between said piezoelectric actuators and said flap.
第三章对压电陶瓷微位移器的驱动机理和特性进行了理论分析,实验测试了WSYD型和WTDS型压电陶瓷驱动器的特性。
In chapter 3, based on theoretical research of the actuation mechanism, the characteristic of the WSYD and WTDS actuators are tested.
试验表明,此方法可以有效地克服片状压电陶瓷驱动器的迟滞特性,消除柔性臂运动产生的振动,实现柔性臂的高精度轨迹控制。
The results show that the approach can overcome the nonlinear hysteresis of piezoelectric actuator and the vibration of flexible manipulator and get high tracking control accuracy.
利用压电陶瓷驱动器来提高定位精度,在回转工作台的定位精度上是一个大的提高,同时,它也给我们带来了新的思考和新的方向。
To improve rotary table accuracy by using a piezoelectric ceramic drive is a qualitative leap, it give us a new method and new direction. to improve rotary table accuracy.
对压电陶瓷驱动器电源的作用原理、设计特点及分类进行了介绍,并给出了压电陶瓷驱动器的电源设计要求、方法、电路及实验波形以及驱动能力测试实验数据。
The principle, design point and sort of power supply of piezoelectric ceramic are also introduced. Design demand, method, circuit, experiment wave and testing parameters of power supply are given.
提出了嵌入形状记忆合金丝和压电陶瓷片作为联合变形驱动器的二元智能结构,并建立了有限元模型。
A hybrid smart structure integrated with shape memory alloy slims and piezoelectric ceramic patches as united actuators, was presented and modeled by finite element methods.
制作一种新型压电陶瓷微致动器,用于高密度硬盘驱动器磁头的精确定位。
A new piezoelectric ceramic micro-actuator for high-density hard disk drives is proposed and developed.
功率放大器的输出误差、压电陶瓷的洄滞及蠕变误差、驱动器之间的耦合误差等是影响机器人运动精度的关键因素。
Output errors of power amplifiers, hysteresis and creep error of PZTs and coupling error among the actuators are the critical factors affecting the motion accuracy of micromanipulator.
运用压电陶瓷传感器与压电驱动器结合的方法。
That was used piezoelectric ceramics which was in combine with piezoelectric ceramics driver.
为研制具有超大位移的RAINBOW压电驱动器,实验研究了制备该器件的PLZT压电陶瓷的高温还原行为。
To develop the RAINBOW piezoelectric actuator with ultra-high displacement, the reduction behavior of PLZT piezoelectric ceramics was researched by experiments.
在机构的弹性杆件上贴上压电陶瓷片作为驱动器,通过测量弹性杆上输出点的动态应变,确定机构动力系统的状态,实时地进行最优反馈控制。
The state of the dynamic system is determined by measuring the dynamic strains of the output points at the flexible links, and the real time optimal feedback control in operated.
在机构的弹性杆件上贴上压电陶瓷片作为驱动器,通过测量弹性杆上输出点的动态应变,确定机构动力系统的状态,实时地进行最优反馈控制。
The state of the dynamic system is determined by measuring the dynamic strains of the output points at the flexible links, and the real time optimal feedback control in operated.
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