Question

如图所示电路,求其系统函数,并写出微分方程

Answer 1

(1/L)∫[e(t)-r(t)]dt+C0=r(t)/R+Cdr(t)/dt

[e(t)-r(t)]/2=r'(t)/2+r''(t)/4

r''(t)+2r'(t)+2r(t)=4e(t)