matlab simulink + fuzzy logic

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dragong87

Joined Apr 26, 2010
1
i've been trying to do this project and have tried many times. but i dont know what im gettign wrong.
i have a system/transfer function in simulink as a PD controller. a rule base in fuzzy logic (mamdani).
and i need the output to have less than 10% overshoot and the lowest rise time.
what sort of surface should i be trying for this? i've been trying all day but i always get overshoot at a ridiculous number (eg 300%)

i dont know if this is enough information..
 
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