Prony ' s method is used in open - loop transfer function identification and computation of residues 把prony方法用于不含控制器的系统开环传递函数辨识,以及留数的求取。
Based on the compensated open - loop transfer function , the system stability at the small - signal perturbation and the system response to step signal are analyzed 根据加入补偿网络后的开环传递函数,分析了系统在小信号扰动时的稳定情况及系统对阶跃信号的跟踪能力。
Lqg / ltr at the plant output proceeds in two steps : 1 ) design a kalman filter with desirable performance specifications ; 2 ) design a sequence of lq - regulators to make the singular values curve of the open - loop transfer function gk approximate the curve of tfl 对象输出端的设计步骤主要分为两步: 1 )根据期望的性能指标设计一个卡尔曼滤波器,即得到目标反馈回路; 2 )设计lo调节器使得系统开环传递函数gk的奇异值曲线无限逼近1 )中找到的目标反馈回路的奇异值曲线。
This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering . at first , this paper gives the brief introduction of the history and present status of accelerometer and its testing technology , the working principium and math model of the liquid floated pendu - lous accelerometer , and then , decides the binary width pulse force retrim loop as the design proposal of testing system , researches the transfer function of every part in the system emphasizly , analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system , and designed the correcting net , analyses the basal problems such as resolution , sampling restraint , precision and so on , designs the hardware testing circuits such as preamplification , band - pass filter , alternating amplifier , phase sensitive demodulatorn , pulse - width modulation , frequency scale circuit , moment current generator . finally , using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system , realized the testing functions 首先对加速度计及其测试技术的发展历史和现状,液浮摆式加速度计的工作原理和数学模型等作了简要的介绍,然后确定了以二元调宽脉冲再平衡测试回路为设计方案,并从控制理论的角度进行了分析,着重研究了系统中各部分的传递函数,利用系统开环传递函数分析了系统的稳定性,同时设计了系统的校正网络;分析了二元调宽脉冲再平衡测试回路的分辨率、采样约束以及测试精度等基本问题,并按照系统分析的结果设计了包括前置放大、带通滤波、交流放大、相敏解调、脉宽调制、频标电路以及力矩电流发生器等测试系统各部分硬件电路,验证了电路的正确性,最后按照测试系统的要求,采用了美国ni公司专为测试领域所开发的虚拟仪器工具? ? labview作为测试软件开发工具,利用该图形化编程语言完成了测试系统软件部分的设计,实现了测试功能。
开环: ring opening; open loop; ope ...传递: transmit; deliver; pass on; ...函数: function环传递函数: loop transfer function闭环传递函数: closed loop transfer function; transfer function of closed loop system循环传递函数: loop transfer function传递函数: tra fer function; transfer function; transport function; transter function传递函数计: transferometer灯传递函数: modulation transfer function反传递函数: inverse trigonometric function复传递函数: complex transfer function光传递函数: optical transfer function; otf逆传递函数: inverse transfer function束传递函数: bundle transfer function总传递函数: overall transfer function变换传递函数: z transfer function超越传递函数: transcendental transfer function衬比传递函数: contrast transfer fnuction处理传递函数: processing transfer function传递函数分析: transfer function analysis传递函数矩阵: matrix of transfer function; transfer function matrix传递函数距阵: transfer function matrix传递函数曲线: transfer curve; transfer function curve传递函数设计: transfer-function design传递函数算子: transfer function operator