current feedback造句

• Design of sinusoidal oscillator circuit based on current feedback amplifier
  的正弦振荡电路设计
• Current feedback vs . voltage feedback operational amplifiers
  电压反馈和电流反馈运算放大器的比较
• Current feedback amplifier
  设计一种基于电流反馈放大器
• Study on stability and bifurcation of the current feedback controlled boost converter
  变换器的稳定性及分岔研究
• Current feedback circuit
  电流反馈电路
• Based on output voltage and capacitor - current feedback current spwm control , the inverter is modeled and the prototype is made
  并对采用输出电压和电容电流瞬时值反馈的电流spwm控制技术逆变器建立了仿真模型，制作了原理样机。
• Current - mode dc / dc converter adds a current feedback loop on the base of voltage - mode control , achieving both current and voltage feedback loop control
  电流模式dc / dc变换技术是在电压模式控制的基础上,增加了电流反馈环,实现了电压和电流的双环反馈控制。
• In order to compare performance of current feedback control with flux feedback control , the pid parameters optimization algorithm is designed based on genetic algorithm
  为了便于对采用电流反馈与采用磁通反馈的悬浮控制算法的性能进行比较,设计了基于遗传算法的pid参数优化方法。
• Adopting current feedback suspension control algorithm , the stable region of control parameters are narrow , overshoot is great and unable to make the closed - loop system bandwidth narrow
  目前采用的基于电流反馈的悬浮控制算法,参数稳定范围小、超调量大,且无法将闭环系统带宽设计得较低。
• Designed the dual - loop control circuit based on optimized psm , which realize to select the suitable duty ratio to make output stable by utilizing voltage and current feedback loops
  3 )设计基于优化psm调制模式的双环控制电路。采用电压、电流双环路控制,根据负载情况选择合适占空比来实现稳压。
• The paper studies the theoretics and synthesis of current feedback operational amplifier ( also called transirapedance operational amplifier , for short cfoa ) and cfoa - c filter circuit , introduces the present state of the research of analogy integrated circuit
  本文研究电流反馈运算放大器(又称跨阻运算放大器，简称cfoa )及其滤波器电路的原理和设计。
• The outer - loop adopting the voltage effective value feedback regulates voltage output and reduces the steady error of output voltage . the inner - loop control is inductance current feedback , which implements the stabilization of system , and limits the inductor current
  外环采用电压有效值反馈,调节输出电压,内环采用电感电流瞬时值反馈,提高系统动静态特性,并对采用该方案的级联逆变器进行了全面分析。
• Currently , the large space vehicle ’ s vibration test usually adopted dual - shaker system , the electric current phase synchronous controller is one of the equipments importantly in the system . the existing control equipments make use of tri - tek704d controller , and the current feedback in - phase control method
  目前,我国大型航天器环境振动试验采用多振动台同步激励的试验系统来完成,电流相位/幅值同步控制器是并联双振动台同步控制系统中重要的组成设备之一。
• At last a controller of a 4 - phase 8 / 6 - pole srm was developed based on tms320lf2407 dsp , which makes full use of the abundant resources of dsp , adopts ipm as the power switch and designs a new power topology for a 4 - phase srm . the current feedback circuit , position sensor and fault protection
  论文最后实现了四相电机控制器的设计,采用专用的dsp电机控制芯片,充分利用此芯片的资源设计出一种基于智能功率模块ipm的四相电机的功率驱动电路,并对位置检测、电流检测等外围电路进行了设计,对系统进行了软件的分析和编程实现。
• Abstract : a new current feedback control method of brushless dc motor ( bldcm ) is introduced in this paper , which combines the traditional overlap method with the fixed - frequency sampling current control method . it both stabilizes the work frequency of the inverter , and improves the commutative performance of bldcm . and it is verified by the result of the simulation
  文摘:提出一种永磁无刷直流电机电流反馈新的控制方法，即采用常规重叠换相法与定频采样电流控制相结合的方法，既能稳定逆变器的工作频率，又改善了永磁无刷直流电机的换相性能，利用仿真对提出的方法进行了验证。
• The main contributions of this dissertation are summarized as follow : ( 1 ) an ilc approach combining feedforward with current feedback is developed based on optimal feedback control and the gradient method . a sufficient condition that guarantees the convergences is given for linear system . the procedures of designing the algorithm can employ lqr , h2 or h approaches to improve the convergence rate of learning in iterations
  本文的主要成果有： 1 、在开闭环综合迭代学习控制结构的基础上，分析了利用梯度下降法设计前馈迭代学习控制器时，为保证算法的收敛性，闭环控制系统应该满足的充分条件，并依据提高算法收敛速率的优化条件，给出了基于lqr 、 h _ 2和h等优化控制技术的迭代学习控制算法的设计方法。
• ( 2 ) in order to overcome the difficulties caused by the non - minimum phase , an optimal ilc scheme with current feedback is presented for linear non - minimum phase plants based on noncausal stable inversion . the sufficient condition to ensure the convergence of this scheme is obtained and the utility mode of using the noncausal algorithm is given to fit the practical application
  2 、针对迭代学习控制在非最小相位系统上应用效果差的缺点，根据非因果的稳定逆理论，提出了一种基于稳定逆的最优开闭环综合迭代学习控制，分析了学习律的收敛性并给出了这种非因果的学习律在实际应用中的运用方式。
• Next , the global system architecture is presented upon the design requirements . due to the fact that constant current is required for driving led , as a result , different from conventional current - mode converter with both output voltage and inductor current feedback loop , the proposed converter adopt dual current feedback loop that both inductor current and output current are detected to provide a stable output current for led
  在整体结构设计中,与典型的电流模式采用电感电流反馈环路和输出电压反馈环路不同,本文针对驱动led需要电流稳定的特点,采用双电流反馈环路,即电感电流环路和负载led电流环路,这样就能对负载led电流做出快速响应,通过反馈环路达到稳定led电流的目的。
• Abstract : on the basis of the practical design experiences and relatedreference literatures , the basic principles , development process , key waveforms , performance features and application points of five new pwm constant current feedback control modes for inverter welders are illustrated and reviewed in the light of their schematic drawings in details
  文摘:根据实际设计工作经验及有关参考文献，比较详细地依据基本工作原理图说明了逆变焊机用的5种新型pwm恒流调节反馈控制模式的基本工作原理、发展过程、关键波形、性能特点及应用要点[ 1 3 ] 。
• The task of realtime display on lcd and the complicated control arithmetic are implemented in this smps system , and a microcontroller with high resolution , high speed , high integration , large memory is necessary . in this paper , the design theory of s / h ware module which forms the smps control module and the design scheme is discussed in detail . in this system , the digital compute - control module is implemented with samsung ’ s high resolution , high integration , arm core microcontroller s3c44b0 and ad converter with 16bit resolution produced by ad company , ad7705 . the ad7705 implements the data acquisition of the voltage and current feedback signal , and transfer the data to microcontroller through spi bus , which is implemented with s3c44b0 ’ s gpio , for computation and display
  本开关电源系统不仅完成lcd的实时显示,还要完成复杂控制算法,需要高速度、高精度、高集成度、大存储空间的微控制器的支持。本文详细的论述了构成电源控制模块的各个软硬件模块的设计原理和设计方案。本系统提出了以samsung公司的高速度、高集成度的基于arm架构的微控制器s3c44b0与ad公司具有16位分辨率的模数转换器ad7705芯片构成数字采集运算控制模块。