1) piezoelectric shunt
压电分流
1.
Then the investigation of profile and placement optimization for piezoelectric shunt damping system is performed while the amount of electrical charges is selected as the objective function.
根据压电方程和材料力学方程推导出机电耦合情况下压电元件表面电荷计算公式,以此为优化目标,对压电分流阻尼抑振系统中的压电元件形状和位置/布局进行了优化分析。
2.
The optimal placement of PZT transducers for a piezoelectric shunt damped system are analyzed according to the vibration control of the first five modes of a clamped thin plate.
建立了带压电分流阻尼系统的四边固支正方形弹性薄板振动控制的实验模型。
3.
The vibration suppression principle and realization of the state-switched multiple-mode piezoelectric shunt damping system is experimentally studied.
研究了状态开关型多模态压电分流阻尼系统的抑振原理和实现方法。
2) voltage-divider current; bleeder current
分压器电流
3) piezoelectric shunt circuit
压电分流电路
1.
Since 1990,interest in passive vibration control using piezoelectric shunt circuit has grown,but we have not been able to find detailed technical information about it in the open literature.
从结构的力平衡方程、压电元件的电荷平衡方程出发,结合压电分流电路的电压平衡关系,建立了包含RL串联压电分流电路的机电耦合系统的数学模型,并进一步推导出系统的传递函数。
4) piezoelectric shunt damping
压电分流阻尼
1.
A virtual implementation method is proposed to emulate the effect of passive piezoelectric shunt damping.
提出压电分流阻尼技术的虚拟实现方法,用主动控制的方法来真实地模拟被动压电分流阻尼器的效果。
2.
To solve the problem that the vibration of the read/write head actuating arm limits the performance improvement of hard disk diver,experimental studies on vibration suppression were performed for read/write head actuating arm using piezoelectric shunt damping technique.
针对读写头驱动臂的振动响应限制了硬盘驱动器性能提高的问题,进行了硬盘读写头驱动臂的压电分流阻尼抑振实验。
3.
Based on the negative impedance converter,a frequency-adaptive simulated inductor circuit was proposed and applied to the design of piezoelectric shunt damping system to improve its multi-mode vibration suppression.
为提高压电分流阻尼系统对多模态振动的抑制能力,提出了一种基于负阻抗变换器的频率自适应模拟电感电路,并应用于压电分流电路的设计,使压电分流电路能适应结构振动频率的变化而一直处于谐振状态,从而达到最佳的阻尼抑振效果,并研究了分流电路构型和各元件阻抗对抑振效果的影响。
6) high-voltage current shunt
高电压分流器
补充资料:部分流泵
分子式:
CAS号:
性质:又称圣达因泵。从叶轮流出的液体只在扩散管处有一部分输出,其余大部分液体仍在泵体环形空间流道中循环的一种高扬程、小流量高速离心泵。主要由泵体、密封体、增速器三部分组成。泵叶轮为单级悬臂式,采用全开式辐射型直叶片。叶轮前一般有变螺距螺旋式诱导轮。密封体内设有机械密封装置,有单端面式、双端面式和双列单端面串联式三种形式。增速器多为二级增速,使泵转速达20000r/min左右。扬程高(出口静压达17MPa),轴向推力小,结构紧凑,可用于输送悬浮液和高黏度液体。但效率较低,增速器和机械密封寿命低。
CAS号:
性质:又称圣达因泵。从叶轮流出的液体只在扩散管处有一部分输出,其余大部分液体仍在泵体环形空间流道中循环的一种高扬程、小流量高速离心泵。主要由泵体、密封体、增速器三部分组成。泵叶轮为单级悬臂式,采用全开式辐射型直叶片。叶轮前一般有变螺距螺旋式诱导轮。密封体内设有机械密封装置,有单端面式、双端面式和双列单端面串联式三种形式。增速器多为二级增速,使泵转速达20000r/min左右。扬程高(出口静压达17MPa),轴向推力小,结构紧凑,可用于输送悬浮液和高黏度液体。但效率较低,增速器和机械密封寿命低。
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