File list (Check if you may need any files):
chap4
.....\chap4_1.m
.....\chap4_10ctrl.m
.....\chap4_10design.m
.....\chap4_10mf.m
.....\chap4_10plant.m
.....\chap4_10plot.m
.....\chap4_10sim.mdl
.....\chap4_2.m
.....\chap4_3.mdl
.....\chap4_4.m
.....\chap4_5.m
.....\chap4_6.m
.....\chap4_7a.m
.....\chap4_7b.m
.....\chap4_8.m
.....\chap4_9ctrl.m
.....\chap4_9design.m
.....\chap4_9mf.m
.....\chap4_9plant.m
.....\chap4_9plot.m
.....\chap4_9sim.mdl
.....\fuzzf.fis
.....\fuzzpid.fis
.....\K_file.mat
.....\tank.fis
.....\wash.fis
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