Negative mode velocity feedback was adopted and the control voltage applied to each piezoelectric element acting as actuator was calculated to control the vibration of the beam 采用模态速度负反馈进行回馈控制，以此计算出各个作为致动器的压电片的控制电压，以抑制悬臂梁的振动。
Voltage control the voltage control is a rheostat that sets the operating point of the voltage regulator and therefore controls the output voltage of the generator set , within its design limits 电压控制电压控制是设定电压调整器的运行点从而在设计范围内控制发电机组的输出电压的变阻器。
Based on the simplified fundament and effective method , reference to the arrangement of the actuator placement and the control voltage can be offered to the composite adaptive structure 该方法原理简明、计算效率高，可为板壳型自适应结构的作动器铺层位置设计和控制电压分布设计提供依据。
Recently many of the new ideas and new dfacts have occured to solve these problems . dynamic voltage restorer ( dvr ) is a better solving method to control voltage 针对这一问题，近年来提出了一些新的概念和新型dfacts装置。其中动态电压恢复器（ dvr ? dynamicvoltagerestorer ）则是一种控制电压的比较好的解决方法。
Ac link is fully verified by the simulation and the pricinple test . this kind of converter lay the key technical foundation on new type electronic transformer , regulated sinusoidal ac power supply , ac regulator 220v 10 ( 50hz ) 220v ( 50hz )单极性移相控制电压源高频交流环节ac ac变换器的仿真与原理试验证实了这类变换器新概念的正确性与先进性。
High - voltage air disconnect switches interrupter switches , fault initiating switches , grounding switches , bus supports and accessories control voltage ranges - schedule of preferred ratings , construction guidelines and specifications 高压空气断路开关断路器开关错误初始开关接地开关总线支架和附件控制电压范围.优选额定值制造指南和规范一览表
Simulation results show that the vibration of the beam can be suppressed rapidly by applying voltage to the piezoelectric patches displaced in this way , and single mode vibration and multi - mode vibration can be controlled simultaneously 通过算例进行数值仿真，结果表明，以此方法布置压电片和输人控制电压，能迅速抑制悬臂梁的振动，可单独或同时控制几阶模态振动。
Piezoelectric elements were bonded on the plate as actuators and the input voltage of each actuator was determined by the velocity of its position and volume velocity of the plate was made zero , through which the sound radiation from the plate could be controlled 在简支薄板表面粘贴压电片作为致动器，根据所处位置的速度确定输入控制电压，并使平板的体积速度为零，从而达到控制声辐射的目的。
The program is written by assemble language to control the movement of the vacuum circuit breaker with pma . the program also can monitor the environmental temperature , control voltage , closing displacement , zero point of contactor voltage 用汇编语言编制程序对配永磁机构的真空断路器的分、合闸进行控制，同时对其运行的环境温度、控制电压、合闸位移和触头间隙电压过零点等状态进行实时监测。
The proportional - integral - differential ( pid ) controlling method was employed to realize feedback control of the z piezo . we designed the a / d & d / a interfaces for controlling and data acquisition , and further compiled the powerful software system for con 实现了卓越的afm性能，其分辨率达到横向0 . inm 、纵向优于0 . inm ，在士150v的扫描控制电压下，最大扫描范围达到10娜火10泌，提高扫描电压，可进一步扩大扫描范围。
