Because the friction force mainly influences the track precision and the orientation precision of the servo system, it should consider these two targets changes between before and after compensation. Low-velocity ramp signal and step signal were chosen as simulation test signal. 由于摩擦力主要影响电液位置伺服系统的低速跟踪精度和定位精度(即稳态误差),所以要考虑补偿前后这两个指标的变化情况,仿真测试信号选为低速斜坡信号和单位阶跃信号。
Different waveform signals such as ramp function, step function, pulse function and exponential function are available by changing the parameters of the signal generator. 通过改变信号发生器的参数,可方便得到斜坡、阶跃、脉冲和e函数等各种不同波形的信号。
The authors use the linear combination of step-like signal and ramp signal to finish the time-frequency domain transformations and the spectrum error is eliminated. 本文对准阶跃信号与截尾斜波信号线性组合后的信号进行时频变换,能有效地消除该频谱误差。
The proportional amplifier applies the technology of Plus Width Modulation ( PWM), allows tow signals to input and can automatically change the ramp time according to kind of signal. 比例放大器采用了脉宽调制技术,允许两路控制信号输入且能根据输入信号的类型自动完成斜坡时间切换。
For noninvasive oscillometric blood pressure measuring technique, the pressure signal in a cuff is composed of the ramp signal due to deflation and the pulsating signal due to artery pulsating underneath. 在波动法血压无创测量技术中,袖带内的压力信号是由变化范围很大的由于放气造成的斜坡信号和袖带下由于动脉波动造成的较小的波动信号叠加而成。
According to the investigate purpose and the motion characteristic of human body, the unit ramp signal and unit sinusoidal signals are chosen as basic experiment the signals. 在选用基本试验信号时,根据对系统的考查目的和人体下肢的运动特点,选用了单位斜坡信号和单位正弦信号。
New load simulator in the step signal, ramp signal and different frequency sine signal stability analysis, theoretically verify the performance of the new load simulator has laid a good foundation for future experimental research. 对新型负载模拟器进行了在阶跃信号,斜坡信号及正弦信号等不同工况下的响应,从理论上验证了新型负载模拟器的性能指标,为以后的研究打下了良好的理论基础。
At present, most projects adopt the method of slope compensation by superposing ramp signal over induct current to achieve the purpose of controlling the stability of the system. 目前工程上大都采用斜坡补偿法,利用斜坡信号叠加在电感电流上,从而得到控制系统稳定的作用。
The research about the condition imposing ramp chaos control signal. 匝道混沌控制信号施加条件研究。