problem in simulation of active suspension system with actuator dynamics.
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senthil kumar
el 24 de Ag. de 2015
Comentada: Rishi Naik
el 9 de Nov. de 2021
the state space equation for simulink simulation is shown below:
in the simulink file , i took some random value for PID, during simulation it showing error like this:
Derivative input 1 of 'suspmod/actuator/x5' at time 0.003 is Inf or NaN. Stopping simulation. There may be a singularity in the solution. If not, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances)
the actuator block has some non linear function in it. how to solve this problem?
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Sebastian Castro
el 24 de Ag. de 2015
This error message happens when you put an infinite value into an Integrator block.
You see how the error message points to the derivative of x5, and that expression has a (1/x6) term in it? I bet it's that -- you may want to protect for divisions by zero when x6 = 0.
- Sebastian
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