包含的文件：
a_pid_cont.mdl, b_pid_cont.mdl, c_pid_cont.mdl, d_pid_disc.mdl, e_pid_disc.mdl, g_pid_disc.mdl, handcode_pid.c, handcode_pid.h, h_pid_disc.mdl, sfun_wrp_pid.c, sfun_wrp_pid.mexw32, a_ss_controller.mdl, b_ss_controller.mdl, Controller.c, Controller.h, Controller_data.c, Controller_private.h, Controller_sf.c, Controller_types.h, rtwtypes.h, Controller_sf.mexw32, c_ss_controller.mdl, d_ss_controller.mdl, sfun_controller.mdl, ss_dc_motor_load.asv, ss_dc_motor_load.m, T.mat, trajectory.mat, dc_motor_control.doc