控制工程基础课程
实验报告
北京工业大学 机电学院 班号
彩虹人
实验一 控制系统的阶跃响应实验
二、实验内容
1、传递函数G1(s)?
图像结果:
10 2s?2s?10Step Response1.41.21.051.0210.980.95System: sysPeak amplitude: 1.35Overshoot (%): 35.1At time (seconds): 1.06System: sysTime (seconds): 3.55Amplitude: 1.02Amplitude0.80.60.40.20System: sysTime (seconds): 2.53Amplitude: 0.9540123Time (seconds)456
代码: num=[10]; den=[1 2 10]; damp(den)
Eigenvalue Damping Frequency -1.00e+00 + 3.00e+00i 3.16e-01 3.16e+00
-1.00e+00 - 3.00e+00i 3.16e-01 3.16e+00 (Frequencies expressed in rad/TimeUnit)
step(num,den) 实验值 理论值 峰值Cmax(tp) 1.3509 1.351 峰值时间(tp) 1.0492s 1.047s 过渡时间ts ?%5 2.518s 3s 3.5147s 4s ?%2 理论值计算:
Cmaxth?1?e?ξπ/1?ξ2?1.351tpth?π/1?ξ2ωn?1.047stath1?3/ξωn?3stath2?4/ξωn?4s1.3509?1.351Δc%??100%?0.0074%1.351 1.0492?1.047Δtp%??100%?0.21%1.047Δtath1%?Δtath2%?2.518?3?100%?16.073.5147?4?100%?12.13%4
2、