As far as the issue of vibration isolating of ship, this paper studies the feedback control theory of hydraulic servo isolation mounting and sets up the theory model of two_stage isolation mounting. The force transfer rate of the system is deduced by the transfer function analytical method. 针对舰船柴油机的振动隔离问题,本文对液压伺服隔振系统反馈控制理论进行了研究,建立了双层隔振系统的理论模型,用传递函数分析法推导出系统力传递率。
With the generalized algebraic Riccati inequality ( GARI) approach, a sufficient and necessary condition for the existence of dynamic output feedback H ∞ controllers is presented, such that the resulting closed-loop system is admissible with its transfer function satisfying H ∞ norm constraint. 利用广义代数Riccati不等式,给出离散广义系统存在正常动态输出反馈H∞控制器,使得闭环系统是容许的且其从外界干扰输入到受控输出的传递函数矩阵具有H∞范数约束的充分必要条件。
The All-Status Pseudo-Random sequence Generator ( ASPRG) is based on the FSR, obtained that through modifying its feedback transfer function, its biggest merit is that the shift register states are all used& the greatest length is 2~ n. 全状态伪随机序列发生器(ASPRG)是在FSR的基础上,通过修改其反馈函数而得到,其最大的优点就是利用了移位寄存器的全部状态,序列最大长度为2n。
Coupling feedback coefficient and feedback transfer function of the weak coupled core were set up. 由一个简单物理模型得到了弱耦合堆芯之间的耦合反馈系数和反馈传递函数,建立了弱耦合堆芯的功率调节方块图。
The relationships between controllability/ observability of modes, proportional-derivative ( P-D) feedback and transfer function matrices are discussed in detail. 详细讨论了模的能控能观性、比例-导数反馈及传递函数之间的关系。
By introducing a digital dual-loop control model of inverter feedback with the capacitor current, the system transfer function is figured out and its external characteristic is analyzed. 本文在介绍电容电流瞬时值反馈控制逆变器数字双闭环控制模型的基础上,建立了系统的闭环传递函数,并从理论上分析了影响数字双环控制逆变器外特性的因素。
The influences of feedback resistance on the output waveform and transfer function of PIregulator are analyzed in this paper. 本文分析了反馈电阻对PI调节器的输出波形及传递函数的影响。
Two theorems on H ∞ optimization design of the state feedback controllers are given and a state feedback matrix with the H ∞ norm of closed loop transfer function lower than a given bound is obtained by solving a standard ARE. 在此基础上给出了状态反馈控制器H~∞优化设计的两个定理。
Based on the unified viewpoint of voltage-series feedback, a normalized voltage transfer function of linear operational amplifiers for inverting and noninverting inputs is proposed, from which an error transfer function is derived. 本文以串联电压反馈的统一观点,提出了同、反相输入运放的归一化电压传函。并由此导出误差传函公式。
Design of State Feedback System Based on Butterworth Standard Transfer function 基于Butterworth标准传递函数设计状态反馈系统
After feedback control, the transfer function of loading system was changed and the dynamic performance was improved, the extra force in system output was limited to small range. 反馈以后,改变了系统传递函数和动态性能,并将舵机运动干扰输出等效为一个较小的量。
The smallest finite settling time servo system that was designed by the state feedback method or the approch method of the transfer function, are not ideal. 利用传递函数接近法和一般的状态反馈法设计出的最少整定时间系统并不理想。
The state feedback controllers are designed such that the closed poles are located within a prespecified circular region, and the H ∞ norm of the closed-loop transfer function is less than a given positive scalar for all admissible uncertainties. 目的是设计状态反馈控制器,使得闭环极点位于预先指定的圆形区域,且闭环系统传递函数的H∞范数小于给定的正常数。
Analysis is made upon system made up of main circuit, feedback circuit and digital regulator etc regarding the transfer function under different modes as well as their alteration regularity with the modes. 分析了SS40038电力机车由主电路、反馈电路和数字调节器等环节所构成的系统在不同工况的传递函数及其随工况变化的规律。
Digital State Feedback Control System Structures for FWL Implementation with Transfer Function Sensitivity Minimization Consideration 传递函数灵敏度最小化的数字状态反馈控制系统FWL结构
The phasor of global feedback is stable. Global measurement signal is selected according to participation factor and residue of transfer function and PSS is configured by mode analysis. 分析表明广域反馈具有相位稳定的特点,可以根据参与因子和传递函数留数选取广域测量信号,通过模式辨识进行2级PSS控制,抑制区间低频振荡。
Optical feedback is coming into being by introducing feedback technology to image processing. The transfer function of feedback system can be change flexibly in certain extent and the processing capacity is enhanced in the same time. Accordingly, it begins to be current research focus. 光学反馈是在光学图像处理过程中引入了反馈技术,使得系统的传递函数在一定范围内可以灵活改变,也就使系统的处理能力得到增强,从而成为目前图像处理的研究热点。
Adopt current feedback type grid-connected control method, and establish a small-signal model of the single-phase PV grid-connected inverter output stage, and conclude transfer function of open-loop invert system, and analyze the performance of open-loop system, and correct system with PI controller. 采用电流反馈型并网控制方案,对单相光伏并网逆变输出级建立小信号模型,推导开环逆变系统的传递函数,分析开环系统的性能,并用PI控制器进行了系统校正。