def get_pid():
print "pid is set"
pid = PID(0.001, 0.0000005, 0.0000005,setpoint=0.0)
pid.setpoint = 0.0
pid.sample_time = 0.01
pid.auto_mode = True
pid.output_limits = (-0.7, 0.7)
pid.proportional_on_measurement = True
return pid
def reflow_app():
global oven_state
global temp_0
global temp_0_rate
global Button_Start_pressed
global command_transfer
global cycle_started
timer1 = time.time()
speed = 1850
#Controls temperature rate.
#######################################
pid_rate1 = PID(3, 0.01, 0.1, setpoint=1)
pid_rate1.output_limits = (-5, 5)
pid_rate1.proportional_on_measurement = False
pid_rate1_F = 100
pid_rate1_max = 0
pid_rate1_min = 730
#######################################
#Controls the actual temperature of soaking time
pid_temp1 = PID(.5, 0.01, 0.2, setpoint=140)
pid_temp1.output_limits = (-2, .5)
pid_temp1.proportional_on_measurement = False
pid_temp1_F = 100
timer_soak = time.time() #30-90 seconds 30-120 acceptable
#######################################
#Controls the actual temperature of soaking time
pid_rate2 = PID(1.3, 0.02, 0.2, setpoint=.6)
pid_rate2.output_limits = (-5, 5)
pid_rate2.proportional_on_measurement = False
pid_rate2_F = 100
timer_dripping = time.time() #30-90 seconds 30-120 acceptable
#######################################
#Timestamps
TimeAboveLiquidus = .07 #Also used to time the reflow 45-60 seconds
Soak_last_pos = 0
pid_dt = time.time()
QThread.msleep(3000)
application.ui.label_test.setText(f"State: 0. Ready.")
while 1:
#First wait for the start button
#Then start the sequence
#either use the preheat zone and prewarm to 100
#Then go to the critical zone (my cabezone)
#When there use the
QThread.msleep(50)
pid_dt = time.time() - timer1
if (time.time() - timer1) > 1000 / 1000:
timer1 = time.time()
#print(timer1)
temp = temp_0
#application.ui.label_test.setText(f"State: {oven_state}")
###########################################################
if oven_state == 0:
###########################################################
application.ui.label_test.setText(f"State: 0. Ready.")
if Button_Start_pressed == 1:
Button_Start_pressed = 0
reinit_graph()
new_position = application.ui.spinBox_preheat.value()
print(
f"Oven program started, Position preheat: {new_position} Speed {speed}"
)
print(
str.encode('G1X' + str(new_position) + 'F' +
str(speed) + '\n'))
command_transfer = 'G1X' + str(new_position) + 'F' + str(
speed) + '\n'
application.ui.label_test.setText(f"State: 1 : Preheating")
oven_state = 1
global cycle_started
cycle_started = True
###########################################################
elif oven_state == 1: #Preheat
###########################################################
application.ui.label_test.setText(
f"State: 1 : Preheating: {(60-temp):,.2f}")
if temp > 60:
oven_state = 2
new_position = application.ui.spinBox_critical.value()
print(
f"Moving to critical point: {new_position} Speed {speed}"
)
print(
str.encode('G1X' + str(new_position) + 'F' +
str(speed) + '\n'))
command_transfer = 'G1X' + str(new_position) + 'F' + str(
speed) + '\n'
###########################################################
elif oven_state == 2: #Waiting to arrive to critical zone
###########################################################
new_position = application.ui.spinBox_critical.value()
application.ui.label_test.setText(
f"State: 2 : Moving to Critical {(new_position-position):,.2f}mm"
)
if position >= new_position - 2: #waiting until we arrive to new location..
oven_state = 3
print("Arrived to Critical point")
application.ui.label_test.setText(f"State: 2 : Arrived!")
###########################################################
elif oven_state == 3: #Increasing temp to 135 at 1C/s (to SoakZone)
###########################################################
#warming from Preheat to Soaking between 140-150C, 130-170C Acceptable.
#Here we will use a PID loop jog to the desired value (130C) at rate <2C/s
#After the that is achieve we will just to the next loop.
"""Add PID loop here"""
pid_rate1.sample_time = pid_dt
output = pid_rate1(
temp_0_rate
) #<-----------------------------------------------
command_transfer = 'G1X' + str(
int(position + output)) + 'F' + str(pid_rate1_F) + '\n'
print("PID Rate 1 output:", output)
application.ui.label_test.setText(
f"State: 3 : Heating to soaking T-0= {(130-temp):,.2f} PID {output:,.2f}"
)
Soak_last_pos = position + output
if temp > 130:
oven_state = 4
print("Temp of 130 reached")
timer_soak = time.time()
application.ui.label_test.setText(
f"State: 3 : Arrived to SoakZone!")
pid_temp1.set_auto_mode(True, last_output=0)
###########################################################
elif oven_state == 4: #Soaking stage. 45-60s Recommended. 30-100s Acceptable
###########################################################
#Here the setpoing is changed to maintain the temp between 140-150 using PWM value
#When the timer is done
"""Cascade PID loop"""
pid_temp1.sample_time = pid_dt
output = pid_temp1(
temp_0) #<-----------------------------------------------
pid_rate1.setpoint = output
pid_rate1.sample_time = pid_dt
output2 = pid_rate1(
temp_0_rate
) #<-----------------------------------------------
if position + output2 > 730:
command_transfer = 'G1X' + str(
int(position +
output2)) + 'F' + str(pid_rate1_F) + '\n'
#command_transfer = 'G1X'+str(int(position+output))+'F'+str(pid_temp1_F)+'\n'
#print(f"PID Temp 1 {output:,.2f}, T-0 = {(time.time() - timer_soak):,.2f}")
application.ui.label_test.setText(
f"State: 4 : Soaking: t-0 = {45-(time.time() - timer_soak):,.2f} PID{output:,.2f}->{output2:,.2f}"
)
if time.time() - timer_soak > 45: #45 seconds?
oven_state = 5
application.ui.label_test.setText(f"State: 4 : Timeout!")
command_transfer = 'G1X' + str(Soak_last_pos) + 'F' + str(
pid_rate1_F) + '\n'
###########################################################
elif oven_state == 5: #Here we slowly move the car at rate of .5-1Cs recommend up to 2.4C/s is acceptable.
###########################################################
"""Add PID loop here"""
pid_rate2.sample_time = pid_dt
output = pid_rate2(
temp_0_rate
) #<-----------------------------------------------
command_transfer = 'G1X' + str(
int(position + output)) + 'F' + str(pid_rate2_F) + '\n'
print("PID Rate 2 output:", output)
application.ui.label_test.setText(
f"State: 5 : Heating to Peak t-0= {(210-temp):,.2f} PID {output:,.2f}"
)
if temp >= 183:
if TimeAboveLiquidus == .07: #just to know we haven't been here
TimeAboveLiquidus = time.time()
print("###Warning above liquidus temp!###")
pid_rate2.setpoint = 1.2
pid_rate2.Ki = .1
if temp > 210:
oven_state = 6
application.ui.label_test.setText(f"State: 5 : Done!")
new_position = application.ui.spinBox_maxTravel.value()
print(
str.encode('G1X' + str(new_position) + 'F' +
str(speed) + '\n'))
command_transfer = 'G1X' + str(new_position) + 'F' + str(
speed) + '\n'
#maybe stop the car just in case
###########################################################
elif oven_state == 6: #here we just move the car to the reflow position and wait.
###########################################################
#We wait around 30-60 seconds...
application.ui.label_test.setText(
f"State: 6 : reflowing t-0= {30-(time.time() - TimeAboveLiquidus):,.2f}"
)
if time.time() - TimeAboveLiquidus > 30:
oven_state = 7
new_position = application.ui.spinBox_dripping.value()
print(
str.encode('G1X' + str(new_position) + 'F' +
str(speed) + '\n'))
command_transfer = 'G1X' + str(new_position) + 'F' + str(
speed) + '\n'
application.ui.label_test.setText(f"State: 7 : dripping")
#send the command to the dripping position.
###########################################################
elif oven_state == 7: #Here we waiting until we arrive to the dripping
###########################################################
new_position = application.ui.spinBox_dripping.value()
#We wait around 30-60 seconds...
application.ui.label_test.setText(
f"State: 7 : Waiting for drip... Moving?->{abs(position - new_position)}"
)
if abs(position - new_position
) < 11: #waiting until we arrive to new location..
oven_state = 3
print("Arrived to dripping")
application.ui.label_test.setText(
f"State: 7 : Arrived to dripping!")
oven_state = 8
timer_dripping = time.time()
###########################################################
elif oven_state == 8: #here we just move the car to the reflow position and wait.
###########################################################
application.ui.label_test.setText(
f"State: 8 : Dripping t-O : {time.time() - timer_dripping:,.2f}"
)
#We wait around 15 seconds...
if time.time() - timer_dripping > 25:
oven_state = 9
application.ui.label_test.setText(f"State: 8 : Timeout!")
new_position = application.ui.spinBox_coolDown.value()
command_transfer = 'G1X' + str(new_position) + 'F' + str(
speed) + '\n'
###########################################################
elif oven_state == 9: #Here we waint until it cools down to <80
###########################################################
application.ui.label_test.setText(
f"State: 9 : Cooling down {(80-temp):,.2f}")
if temp < 80:
application.ui.label_test.setText(
f"State: 9 : Cool down completed! DONE!")
oven_state = 0
cycle_started = False
new_position = application.ui.spinBox_home.value()
command_transfer = 'G1X' + str(new_position) + 'F' + str(
speed) + '\n'
#we Finish save data whatever and send card to home.
if close_everything == 1:
return 0
def read_settings(fn):
with open(fn) as f:
params = json.load(f)
return params # (tunings["Kp"], tunings["Ki"], tunings["Kd"])
if __name__ == '__main__':
log = tl.LogFile()
settings_fn = "settings.json"
settings = read_settings(settings_fn)
settings_1 = settings["PID_1"]
settings_2 = settings["PID_2"]
pid_tunings = (settings_1["Kp"], settings_1["Ki"], settings_1["Kd"])
pid = PID()
pid.sample_time = updatePIDInt # /100 # settings["sample_time"]
pid.output_limits = (0, 100)
pid.tunings = pid_tunings
pid.setpoint = 25.0
pid.auto_mode = True
pid.proportional_on_measurement = False
print(pid.tunings)
HomebrewApp().run()
t1 = 0
x1, y1, y2, px, py = [], [], [],[],[]
#PID
#Se establece el setpoint del PID
setpx=10
setpy=7
#Se crea con la libreria simple_pid el pid para cada eje
pid1 = PID(0.35, 0.1, 0.2, setpoint=setpx)
pid2 = PID(0.35, 0.1, 0.2, setpoint=setpy)
#Se establecen sus limites de salida
pid1.output_limits = (-10, 10)
pid2.output_limits=(-10,10)
#Se establece el tiempo de muestreo
pid1.sample_time = 0.01
pid2.sample_time=0.01
pid1.proportional_on_measurement = False
pid2.proportional_on_measurement = False
#-------------VIsion----------------
ap = argparse.ArgumentParser()
ap.add_argument("-v", "--video",
help="path to the (optional) video file")
ap.add_argument("-b", "--buffer", type=int, default=64,
help="max buffer size")
args = vars(ap.parse_args())
#Se define el color de la pelota
colorLower = np.array([0, 100, 0])
colorUpper = np.array([179, 255, 255])
pts = deque(maxlen=args["buffer"])
altIMU.setAccelEnable(True)
altIMU.setCompassEnable(True)
# Get minimum poll interval
poll_interval = altIMU.IMUGetPollInterval()
print(poll_interval)
# PID coefficients - still need to be tuned
KP = 15
KI = 0
KD = 0
startPoint = -10.85
f = open("setting.txt", "r")
pid = PID(KP, KI, KD, setpoint=startPoint)
pid.output_limits = (-127, 127)
pid.proportional_on_measurement = True
# Initialize some values
lastFusionRollX = 0.0
Ivalue = 0.0
orginal = 0
orginalX = 0
count = 0
while True:
if (count == 1 / 0.02):
count = 0
f = open("setting.txt", "r")
setting = f.read().split()
startPoint = float(setting[0])
KP = float(setting[1])
KI = float(setting[2])
KD = float(setting[3])
