differenr kinds od pid control and different new method




File list:
chap1
....\chap1_1.mdl
....\chap1_10.m
....\chap1_11.mdl
....\chap1_11plot.m
....\chap1_12.m
....\chap1_13.m
....\chap1_14.mdl
....\chap1_14int.m
....\chap1_14plot.m
....\chap1_15.m
....\chap1_16.asv
....\chap1_16.m
....\chap1_17.m
....\chap1_18.asv
....\chap1_18.m
....\chap1_19.mdl
....\chap1_19int.m
....\chap1_19plot.m
....\chap1_2.mdl
....\chap1_20.asv
....\chap1_20.m
....\chap1_21.m
....\chap1_22.asv
....\chap1_22.m
....\chap1_23.m
....\chap1_24.asv
....\chap1_24.m
....\chap1_25.m
....\chap1_26.m
....\chap1_27.mdl
....\chap1_27f.m
....\chap1_27plot.m
....\chap1_28.m
....\chap1_2plot.asv
....\chap1_2plot.m
....\chap1_3.mdl
....\chap1_3n.mdl
....\chap1_3nplant.m
....\chap1_3nplot.m
....\chap1_3ns.m
....\chap1_3plant.m
....\chap1_3plot.m
....\chap1_3s.m
....\chap1_4.mdl
....\chap1_4plot.m
....\chap1_5.mdl
....\chap1_5ctrl.m
....\chap1_5plant.m
....\chap1_5plot.asv
....\chap1_5plot.m
....\chap1_6.m
....\chap1_6plant.m
....\chap1_7.mdl
....\chap1_7ctrl.asv
....\chap1_7ctrl.m
....\chap1_7plot.m
....\chap1_8.mdl
....\chap1_8plot.m
....\chap1_8s.m
....\chap1_9.m