m*1
2 楼
加了反馈,理论上极点以在左边,在simulink里建好了,怎么在matlab里进行稳定性分析.
初学,虚心请教
初学,虚心请教
s*e
3 楼
呃。。形象
m*s
5 楼
太有才了
j*j
7 楼
do the transient simulation in simulink to verify the time domain stability,
and plot the bode plot and root locus to see the stable margin.
if it is a siso system, run 'sisotool', that will help you to design the
compensator.
析.
【在 m*******1 的大作中提到】![](/moin_static193/solenoid/img/up.png)
: 加了反馈,理论上极点以在左边,在simulink里建好了,怎么在matlab里进行稳定性分析.
: 初学,虚心请教
and plot the bode plot and root locus to see the stable margin.
if it is a siso system, run 'sisotool', that will help you to design the
compensator.
析.
【在 m*******1 的大作中提到】
![](/moin_static193/solenoid/img/up.png)
: 加了反馈,理论上极点以在左边,在simulink里建好了,怎么在matlab里进行稳定性分析.
: 初学,虚心请教
b*y
9 楼
即使极点在左边,但是有可能零点不在,对于大的增益,很有可能出现不稳定性哦!
j*a
10 楼
g*u
11 楼
I think when there are quite some poles and zeros, the only one matters is
the cutoff frequency when going below x axis.
I could be wrong, it's been too long ago.
unless you are saying this is an open-loop stable system but the feedback
makes it unstable.
【在 j******a 的大作中提到】![](/moin_static193/solenoid/img/up.png)
: what? for a linear system, poles decide whether it is stable or not, with
: stable poles, the system is internally stable, how come zeros affect it? unless you are saying this is an open-loop stable system but the feedback makes it unstable.
the cutoff frequency when going below x axis.
I could be wrong, it's been too long ago.
unless you are saying this is an open-loop stable system but the feedback
makes it unstable.
【在 j******a 的大作中提到】
![](/moin_static193/solenoid/img/up.png)
: what? for a linear system, poles decide whether it is stable or not, with
: stable poles, the system is internally stable, how come zeros affect it? unless you are saying this is an open-loop stable system but the feedback makes it unstable.
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