www.gusucode.com > Dual Clutch Transmission Model in Simulink工具箱源码 > Dual Clutch Transmission Model in Simulink/Dual_Clutch_Trans_R16b/Optim/find_min_fuel_ps2D.m
% Optimization script to find shift map that maximizes fuel economy % Shift map parameterized with two parameters % Steve Miller % Copyright 2011-2016 MathWorks, Inc. % SETUP MODEL TO USE UPDATED SHIFT SCHEDULE mdl = 'Dual_Clutch_Trans'; setup_model_optim % SET INITIAL VALUE OF SHIFT MAP PARAMETERS rampconst0 = 35; mingeardiff0 = 18; % PRE-GENERATE RAPID ACCELERATOR TARGET load_system(mdl); rtp = Simulink.BlockDiagram.buildRapidAcceleratorTarget(mdl,'AddTunableParamInfo','on'); close_system(mdl); % CREATE PLOTS OF PARAMETER SWEEP, INITIAL SHIFT MAP setup_optim2D_plots % RUN OPTIMIZATION USING PARALLEL COMPUTING %parpool; %options = psoptimset('Vectorized','off','Display','iter','UseParallel','always',... % 'TolMesh',0.0025,'CompletePoll','on','InitialMeshSize',0.05,'ScaleMesh','on'); % RUN OPTIMIZATION WITHOUT PARALLEL COMPUTING options = psoptimset('Vectorized','off','Display','iter','UseParallel','never',... 'TolMesh',0.0025,'CompletePoll','on','InitialMeshSize',0.05,'ScaleMesh','on'); % RUN OPTIMIZATION tic; [x,fval,exitflag,output] = ... patternsearch(@(x)obj_find_min_fuel_2D(x,mdl,rtp,fuelUse_h,map_h),... [mingeardiff0 rampconst0],[],[],[],[],[16 0],[20 60],[],options); Elapsed_Sim_Time = toc; disp(['Elapsed Sim Time = ' num2str(Elapsed_Sim_Time)]); % SAVE KEY RESULTS OF OPTIMIZATION %{ mingeardiff_final = x(1); rampconst_final = x(2); OptPS2D.rampconst0 = rampconst0; OptPS2D.rampconst_final = rampconst_final; OptPS2D.mingeardiff0 = mingeardiff0; OptPS2D.mingeardiff_final = mingeardiff_final; OptPS2D.Elapsed_Sim_Time = Elapsed_Sim_Time; OptPS2D.FuncCount = output.funccount; OptPS2D.FuelUsedMin = fval; save OptPS2D OptPS2D figure(1) saveas(gcf,'OptPS2D_Mesh','fig'); %} % RESET MODEL InitFcn -- ONLY NECESSARY FOR OPTIMIZATION %delete(gcb); reset_model_optim