import RPi.GPIO as GPIO
import time
import sys
GPIO.setmode(GPIO.BCM)
GPIO.setup(2,GPIO.OUT)
GPIO.setup(3,GPIO.OUT)
GPIO.setup(4,GPIO.OUT)
pwm=GPIO.PWM(2,80)
pwm.start(20)
GPIO.output(3,True)
GPIO.output(4,False)
file=open("/sys/class/thermal/thermal_zone0/temp")
Real_T=float(file.read())/1000
file.close()
Ideal_T=sys.argv[2]
Delta=[0.6]
Kp=sys.argv[1]
Ti=10000
Td=0
Output_PWM=20
# times=0
def All_of_List(a):
s=0
for i in range(len(a)):
s=s+a[i]
return s
def Real_Temp():
file=open("/sys/class/thermal/thermal_zone0/temp")
global Real_T
Real_T=float(file.read())/1000
file.close()
def Init():
Real_Temp()
global Ideal_T
Ideal_T=33
global Delta
Delta=[0]
global Kp
Kp=8
global Ti
Ti=1
global Output_PWM
Output_PWM=20
def update_Output(Time_Gap):
global Ideal_T
global Delta
global Kp
global Ti
global Td
global Output_PWM
global Real_T
P=Kp
I=Time_Gap/Ti
D=Td/Time_Gap
Increase=0
Real_Temp()
Delta.append(Real_T-Ideal_T)
# if Delta[-1]>-0.5 and Delta[-1]<0.5:
Increase=P*(Delta[-1] + I * All_of_List(Delta) + D * (Delta[-1]-Delta[-2]))
Output_PWM=Output_PWM+Increase
if Output_PWM>100:
Output_PWM=100
elif Output_PWM<20:
Output_PWM=20
Usage_time=[]
# times=0
def Find_Kp():
times=0
while True:
times=times+1
# if(times>100):
# times=0
# Init()
Time_Gap=1
time.sleep(Time_Gap)
if Delta[-1]<0.2 and Delta[-1]>-0.2 and times>100:
Usage_time.append(times)
print times
break
update_Output(Time_Gap)
global Output_PWM
pwm.ChangeDutyCycle(Output_PWM)
print "%d:%0.3f "%(times,Real_T)
pwm.ChangeDutyCycle(5)
delay=0
while Real_T<32:
Real_Temp()
time.sleep(1)
delay=delay+1
print delay
print Real_T
# pwm.ChangeDutyCycle(0)
Find_Kp()
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
GPIO.setup(2,GPIO.OUT)
GPIO.setup(3,GPIO.OUT)
GPIO.setup(4,GPIO.OUT)
pwm=GPIO.PWM(2,80)
pwm.start(20)
GPIO.output(3,True)
GPIO.output(4,False)
file=open("/sys/class/thermal/thermal_zone0/temp")
Real_T=float(file.read())/1000
file.close()
Ideal_T=26
Delta=[0.6]
Kp=8
Ti=10000
Td=0
Output_PWM=20
# times=0
def All_of_List(a[]):
s=0
for i in range(len(a)):
s=s+a[i]
return s
def Real_Temp():
file=open("/sys/class/thermal/thermal_zone0/temp")
global Real_T
Real_T=float(file.read())/1000
file.close()
def Init():
Real_Temp()
global Ideal_T
Ideal_T=33
global Delta
Delta=[0]
global Kp
Kp=8
global Ti
Ti=1
global Output_PWM
Output_PWM=20
def update_Output(Time_Gap):
global Ideal_T
global Delta
global Kp
global Ti
global Td
global Output_PWM
global Real_T
P=Kp
I=Time_Gap/Ti
D=Td/Time_Gap
Increase=0
Real_Temp()
Delta.append(Real_T-Ideal_T)
# if Delta[-1]>-0.5 and Delta[-1]<0.5:
Increase=P*(Delta[-1] + I * All_of_List(Delta) + D * (Delta[-1]-Delta[-2]))
Output_PWM=Output_PWM+Increase
if Output_PWM>100:
Output_PWM=100
elif Output_PWM<20:
Output_PWM=20
Usage_time=[]
# times=0
def Find_Kp():
global Ideal_T
global Usage_time
global Delta
global Kp
global Ti
global Td
global Output_PWM
global Real_T
times=0
while True:
times=times+1
# if(times>100):
# times=0
# Init()
Time_Gap=1
time.sleep(Time_Gap)
if(Delta[-1]<0.2 and Delta[-1]>-0.2)
Usage_time.append(times)
break
update_Output(Time_Gap)
global Output_PWM
pwm.ChangeDutyCycle(Output_PWM)
print "%d:%0.3f "%(times,Real_T)
time.sleep(30)
x=10
while x>0：
Find_Kp()
x=x-1
for i in range(len(Usage_time)):
print Usage_time[i]
=========
import RPi.GPIO as GPIO
import time
durt=[1,1,1,1,1,1,1,1,1,1,1,1,1+0.5,0.5,1+1,1,1,1,1,1,1,1,1,1,1,1,1,1+0.5,0.5,1+1,1,1,1,1,1,0.5,0.5,1,1,1,0.5,0.5,1,1,1,1,1,1,1,1,1,1,1,1,1,0.5,0.5,1,1,1,1,1+0.5,0.5,1+1]
tune=[330,330,393,441,
441,393,330,330,
294,294,330,330,
330,330,330,
330,330,393,441,
441,393,330,330,
294,294,330,330,
330,294,294,
330,330,330,294,
330,330,393,330,294,
330,330,393,330,330,
294,330,221,-1,
330,330,393,441,
441,393,330,393,330,
294,294,330,330,
330,294,294]
PIN_NO = 7
GPIO.setmode(GPIO.BOARD)
GPIO.setup(PIN_NO, GPIO.OUT)
def beep(seconds):
GPIO.output(PIN_NO, GPIO.HIGH)
time.sleep(seconds)
GPIO.output(PIN_NO, GPIO.LOW)
while True:
for i in range(len(tune)):
beep(tune[i]/1000000)
time.sleep(durt[i]/2000)
### dianji ###
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
GPIO.setup(2,GPIO.OUT)
GPIO.setup(3,GPIO.OUT)
GPIO.setup(4,GPIO.OUT)
pwm=GPIO.PWM(2,80)
pwm.start(20)
GPIO.output(3,True)
GPIO.output(4,False)
s=4
while True:
pwm.ChangeDutyCycle(s*5)
s=s+1
if s==21:
s=4
time.sleep(1)
# pwm.ChangeDutyCycle(20)
time.sleep(2)
#### PID.py####
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
GPIO.setup(2,GPIO.OUT)
GPIO.setup(3,GPIO.OUT)
GPIO.setup(4,GPIO.OUT)
pwm=GPIO.PWM(2,80)
pwm.start(20)
GPIO.output(3,True)
GPIO.output(4,False)
file=open("/sys/class/thermal/thermal_zone0/temp")
Real_T=float(file.read())/1000
file.close()
Ideal_T=24
Delta=[0]
Kp=8
Ti=10000
Td=0
Output_PWM=20
# times=0
def All_of_List(a[]):
s=0
for i in range(len(a)):
s=s+a[i]
return s
def Real_Temp():
file=open("/sys/class/thermal/thermal_zone0/temp")
global Real_T
Real_T=float(file.read())/1000
file.close()
def Init():
Real_Temp()
global Ideal_T
Ideal_T=33
global Delta
Delta=[0]
global Kp
Kp=8
global Ti
Ti=1
global Output_PWM
Output_PWM=20
def update_Output(Time_Gap):
global Ideal_T
global Delta
global Kp
global Ti
global Td
global Output_PWM
global Real_T
P=Kp
I=Time_Gap/Ti
D=Td/Time_Gap
Increase=0
Real_Temp()
Delta.append(Real_T-Ideal_T)
# if Delta[-1]>-0.5 and Delta[-1]<0.5:
Increase=P*(Delta[-1] + I * All_of_List(Delta) + D * (Delta[-1]-Delta[-2]))
Output_PWM=Output_PWM+Increase
if Output_PWM>100:
Output_PWM=100
elif Output_PWM<20:
Output_PWM=20
times=0
while True:
times=times+1
if(times>100):
times=0
Init()
Time_Gap=1
time.sleep(Time_Gap)
if(Delta[-1]<0.5)
break
update_Output(Time_Gap)
global Output_PWM
pwm.ChangeDutyCycle(Output_PWM)