西南科技大学微型计算机控制技术复习题答案

1.Pg42.Pg11A/D,D/A,LEDLCDPCSTDPID3.A/DD/AA/DD/AD/A4.LEDPg81LED5.Pg551.2.6.Pg248YkNiixNkY1)(1)()(kYkBX(i)iNN7.PIDPID128.Pg2829.PIDKpTiTdPIDPSteady-stateerrorISystemwithSteady-stateError+(PI)D(delay)++(PD)10.PWMPg1411.12A/D0-+5V11.25V22V32.5V43.75V54V65Veg:2.8DAC-5V+5V110000000201111111(3)11111110v0371.0256102v108103.60HZT=1/f=1/60s4.0120012D/A90H1000A0=0Am=1200Nx=90H=144D12D/ANm=DFFFH4095N0=00004240951441200)(ANNAAAmxmx1000HDDAANAANmmxx553413120040951000)(005.40012008D/A80H600A0=400Am=1200Nx=80H=128D8D/ANm=DFFH255N0=0000402255128)4001200()(ANNAAAmxmx600FHDAANAANmmxx363800255200)(006.012000.4A/DADCDAnn/1212,300027.PIDT=4msTI=20msTD=8msKP=0.3EK=5mmEK-1=8mmEK-2=7mmPk)1()()(kPkPkP=)]2()1(2)([)()]1()([1kEkEkEKkEKkEkEKDp06.02043.01TTKKpI6.0483.0TTKKDPD)(kP-38.800.01mm48mm1rSNZQ0360CMNC,CM=3C=205.1406360SQ0.01mm48mm48/0.01=48001s1000000/4800=208us9.A/conv=15us=1/T/us=66666/s66.66KHZ1.2.