I have created a hydraulic hybrid system in simscape. The model is running smoothly without any errors but the engine block is not giving any power or rpm even at full throttle, hence all the scopes are showing zero reading or close to it. What to do

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Kartik Khanna 2015-8-16

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回答： Martin 2018-6-11

The control system designed uses drive cycle block as input to calculate the torque required by the engine and the displacement of the regeneration pump/motor and master pump at various stages of the drive cycle. ODE23 is the solver configuration im using.

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Kartik Khanna 2015-8-22

Ok i'll try,Thanks

Eric Money 2016-6-9

Personally on models this big I prefer to just build my own engine component using a torque+fuel curves, a PID, some linear interpolation, and an ideal torque source. It takes a bit more leg work but seems to generally produce a faster model. With that said, if this is the first you've used a lot of the smaller subsystems in the model (i.e. have you made an isolated/simpler version of your pressure release, engine control, pump loop, etc.) then I'd suggest going back and building a couple simpler systems and then once you've verified those, pull them into the larger system.

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Martin 2018-6-11

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Does the engine start at no speed? It could be that it is stalling. Start the engine at a higher speed, or add external torque to simulation a starter motor.