Problem joining blocks Simscape

2011 11 8
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更新时间：2024 2 23
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Hi, I develop a circuit using Simscape blocks. My input signal is developed by simulink blocks, "random number + Matlab function block". I use the simulink-PS converter to join this signal to my circuit, but i can't. What is the problem? Thanks in advance.

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Guy Rouleau
Guy Rouleau 2011-11-9

1 个投票

Are you connecting the output of the Simulink->PS converter to a source block?
I recommend looking at demos to understand the difference between a physical signal output by the S->PS block and the physical connection between Simscape components.
For more specific help, add more details or an image of your model.

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Néstor Monedero
Néstor Monedero 2011-11-10
Hi,
No, the output of the Simulink->PS converter in joined directly to the circuit.
The circuit is a parallel RC. The output of the parallel RC is joined to a Voltage Sensor and this is joined to a PS->Simulink and this to a Scope block.
My input signal is a random pulse signal.
I connect the input signal to the Simulink-Ps converter but i can't join this to the parallel RC circuit (i use a solver configuration block).
My project consist in represent the frequency response of a circuit that is excited by a random pulse signal. (low frequency, 1Hz to 1000Hz). Can i use Simscape? or is better use SimRF blocks?
The model is:
http://subefotos.com/ver/?5b061479910994dc4a916f57b25605fao.jpg#codigos
Thanks in advanced.
Néstor
Guy Rouleau
Guy Rouleau 2011-11-11
Simscape should be good for your problem.
The problem is that Simscape does not know if the signal coming from the S-PS is your desired current or voltage.
You need a block to specify that, pick one of those:
http://www.mathworks.com/help/toolbox/physmod/simscape/ref/controlledcurrentsource.html
http://www.mathworks.com/help/toolbox/physmod/simscape/ref/controlledvoltagesource.html
For the voltage sensor, it should connect, try to connect it a bit farther from the Capacitor port.
Rizwana Junaid
Rizwana Junaid 2017-5-5
thank you Mr. Guy its a helpful topic for me.

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Aswin ram V
Aswin ram V 2022-9-3

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hi , direct connection between one or more physical signal converters found. Direct connections between physical signal converters is not currently supported.what's the problem?

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mhu
mhu 2023-9-23
I also have this problem right now, please answer.
Prinsca
Prinsca 2024-2-23
Please were you able to slove the problem

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