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
a*l
4 楼
The first question is: what is your definition of "stable"? Once you got
that answered, evaluate your model to see how it fits the expectation.
析.
【在 m*******1 的大作中提到】
: 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
that answered, evaluate your model to see how it fits the expectation.
析.
【在 m*******1 的大作中提到】
: 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
m*s
5 楼
太有才了
m*1
6 楼
就是广义上的,冲激响应有界,难道还有别的?
【在 a****l 的大作中提到】
: The first question is: what is your definition of "stable"? Once you got
: that answered, evaluate your model to see how it fits the expectation.
:
: 析.
【在 a****l 的大作中提到】
: The first question is: what is your definition of "stable"? Once you got
: that answered, evaluate your model to see how it fits the expectation.
:
: 析.
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】
: 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】
: 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
D*a
8 楼
线性系统极点在左边（或者单位园）里面不就已经稳定了么
析.
【在 m*******1 的大作中提到】
: 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
析.
【在 m*******1 的大作中提到】
: 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
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.
【在 b****y 的大作中提到】
: 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！
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.
【在 b****y 的大作中提到】
: 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！
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】
: 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】
: 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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