How can I optimize the threshold of engine switch on/off and battery AH of a hybrid electric vehicle model using pattern search algorithm.Please HELP ME

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collins 2012-7-24

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https://ww2.mathworks.cn/matlabcentral/answers/44418-how-can-i-optimize-the-threshold-of-engine-switch-on-off-and-battery-ah-of-a-hybrid-electric-vehicl

回答： samir samir 2016-7-20

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Matt Kindig 2012-7-24

We will need a lot more information to be able to provide any help. If you are doing optimization, presumably you have some sort of objective function-- how is your objective function defined? In what form (ODE, Simulink, etc.) is your vehicle model?

collins 2012-8-2

My objective function is defined as function [Opt]= optimize_hybrid(gaselectricvehicle), However %Run Pattern Search [optscale,Cost]=patternsearch(@Optscale,CalcHEVCost(optscale,gaselectricvehicle,rtp)) is what i used, but i'm getting a lot of errors. Infact i'm cut in between the script. Also, how can i relate the simulink model to mathlab language? because it tells me that the function is undefined. I'm really sure the model is on the matlab path. Or is there any other thing i need to offeset from the engine subsystem and the battery block? Please Help Dr Matt....

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