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second-order filter
相关语句
  二阶滤波器
    A Sort of Second-Order Filter Suited to Integrated MOS with Single Operational Amplifier
    一种适于MOS集成化的单运放二阶滤波器
短句来源
  二阶滤波器
    A Sort of Second-Order Filter Suited to Integrated MOS with Single Operational Amplifier
    一种适于MOS集成化的单运放二阶滤波器
短句来源
  二阶滤波
    A nonlinear speed controller for permanent magnet synchronous motor based on adaptive backstepping control was designed, which uses second-order filter to smooth the speed reference.
    设计了一种基于自适应反步控制的永磁同步电动机非线性速度控制器,采用二阶滤波环节平滑速度指令。
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  second-order filter
We study self-modulation oscillations of a phase-locked loop with the second-order filter.
      
Self-modulation regimes of a phase-locked loop with the second-order filter
      
We study the dynamical regimes of a phase-locked loop with the second-order filter in the control circuit.
      
Nonlinear dynamics of phase-locked loop with the second-order filter
      
We study the dynamic regimes of a phase/frequency-locked loop with second-order filter.
      
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Using signal flow graph (SFG) for the simulation of transfer function,a universal minimum compoent operational transconductance amplifier (OTA) capacitor filter structure is presented.The proposed architecture can be used to realise arbitrary order and arbitrary types of voltage transfer function with simple design formulae.The design of various second order filters is particularly investigated.The sensitivity analysis of various realisations is included.Design and simulation results of a third...

Using signal flow graph (SFG) for the simulation of transfer function,a universal minimum compoent operational transconductance amplifier (OTA) capacitor filter structure is presented.The proposed architecture can be used to realise arbitrary order and arbitrary types of voltage transfer function with simple design formulae.The design of various second order filters is particularly investigated.The sensitivity analysis of various realisations is included.Design and simulation results of a third order elliptic filter are also presented.

基于传输函数的信号流图模拟,一种新的具有最少元件 O T A电容滤波器结构被提出⒚任何种类任何阶电压传输函数均可由该结构实现,设计公式简单⒚文中设计了各种二阶滤波器,分析了这种实现的电压传输函数的灵敏度,给出了三阶椭圆低通滤波器设计实例及计算机仿真结果⒚

A nonlinear adaptive speed controller based on adaptive backstepping approach for permanent magnet synchronous motors with nonlinear coupling and parameter uncertainties is presented.With the preposed controller,the parameter uncertainties are compensated and high performance speed controller for permanent magnet synchronous motors is shown to be globally asymptotically stable.The scheme is robust to the parameter uncertainties and load torque disturbance.A second order filter is used to smooth the speed...

A nonlinear adaptive speed controller based on adaptive backstepping approach for permanent magnet synchronous motors with nonlinear coupling and parameter uncertainties is presented.With the preposed controller,the parameter uncertainties are compensated and high performance speed controller for permanent magnet synchronous motors is shown to be globally asymptotically stable.The scheme is robust to the parameter uncertainties and load torque disturbance.A second order filter is used to smooth the speed reference signal,and the perfect non-overshooting speed tracking is achieved.Simulation results show the validity of the proposed approach.

针对永磁同步电动机系统的非线性耦合特性以及参数的不确定性,采用自适应反步控制实现永磁同步电动机的非线性控制,在补偿参数不确定性影响,提高系统的抗干扰能力的同时,实现了永磁同步电动机的高性能全局渐近稳定速度跟踪控制.采用二阶滤波环节平滑速度指令,实现了理想无超调的快速速度跟踪控制.仿真结果证明了所提出方法的有效性.

Current measuring fidelity in permanent magnet synchronous linear motor servo systems directly influences the performance of the current loop and the whole system when field oriented control is used.This paper presents an analysis of the harmonic components in the motor phase current,which are caused by switching of the vector and mismatch of the impedance of the cable and the motor.These harmonics influence the current measurement when the motor is driven by a space vector pulse width modulation(SVPWM) voltage...

Current measuring fidelity in permanent magnet synchronous linear motor servo systems directly influences the performance of the current loop and the whole system when field oriented control is used.This paper presents an analysis of the harmonic components in the motor phase current,which are caused by switching of the vector and mismatch of the impedance of the cable and the motor.These harmonics influence the current measurement when the motor is driven by a space vector pulse width modulation(SVPWM) voltage inverter.The current measurement accuracy is significantly improved by selecting an appropriate sampling point to suppress the SVPWM period harmonics,by introducing a second order filter after the current sensor and by a delay time compensating for the filter.Experimental results verify the method which provides a basis for performance improvements of servo systems.

采用磁场定向控制的永磁交流同步直线伺服系统中,电流反馈的精确度将直接影响电流环及整个系统调节性能。分析了采用空间矢量脉宽调制(SVPWM)电压型逆变器驱动的直线交流电机绕组中由于矢量切换以及电缆与电机阻抗不匹配引起的谐波电流及其对电流采样的影响。通过选择采样点来抑制SVPWM周期谐波的影响,通过在电流传感器后引入二阶滤波器及对其引起的时间滞后进行补偿,有效地提高了电流检测的精度。实验结果表明,该方法切实可行,为进一步提升伺服系统的性能奠定了基础。

 
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