def test_regression_output(self):
"""
@return:
@rtype:
"""
self.addTypeEqualityFunc(D, self.assertRoundDecimalEqual)
assertTupleEqual = self.assertTupleEqual
# results = []
for args, expected in self.exp:
args.delay = 0
init_args = args.get_args()
nsteps, step_size = args.get_step()
sim = TempSim(*init_args)
if step_size:
result = sim.iterate(nsteps, step_size)
else:
result = sim.iterate(nsteps)
# assertEqual(expected, result)
for exp_step, r_step in zip(expected, result):
assertTupleEqual(exp_step, r_step, init_args)
# results.append((args, result))
# use SimArgs as a dummy TempSim to compare.
# Fill in missing attrs using result data
args.seconds, args.current_temp = result[-1]
# noinspection PyTypeChecker
self.assertTempSimEqual(args, sim)
def plotpid2(n=15000):
import sys
try:
del sys.modules['scripts.run.temp_sim']
except KeyError:
pass
from scripts.run.temp_sim import TempSim, PIDController
sim = TempSim(D('28.183533'), 19, 0)
pid = PIDController(37, 40, D('0.55'))
# pid = PIDController(37, 40, 0.5)
pid.off_to_auto(sim.current_temp)
pv = sim.current_temp
#: @type: list[tuple[D]]
steps = [('0', '0', '0', '0', '0') for _ in range(11)]
for _ in range(n):
hd = pid.step_output(pv)
t, pv = sim.step_heat(hd)
steps.append((t, pv, pid.last_error, pid.accumulated_error, hd))
from officelib.xllib.xlcom import xlBook2
xl, wb = xlBook2('PID.xlsx')
ws = wb.Worksheets(2)
cells = ws.Cells
firstcol = 30
cells.Range(cells(1, firstcol), cells(1, firstcol + 4)).Value = (
"Time", "Temp", "LastErr", "AccumErr", "HeatDuty%")
cells.Range(cells(2, firstcol), cells(len(steps) + 1, len(steps[0]) + firstcol - 1)).Value = \
[tuple(map(str, data)) for data in steps]
def test_iterate(self):
"""
@return: None
@rtype: None
"""
assertEqual = self.assertEqual
for args in self.init_args:
exp_sim = TempSim(*args, leak_const=0)
test_sim = TempSim(*args, leak_const=0)
step = exp_sim.step
n = 10000
exp_steps = [step() for _ in range(n)]
res_steps = test_sim.iterate(n)
# unloop assert otherwise hangup caused
# by trying to process too long of a diff in
# repr string
for step_no, (exp_step, res_step) in enumerate(zip(exp_steps, res_steps)):
assertEqual(exp_step, res_step, step_no)
assertEqual(exp_sim, test_sim)
# repeat the same thing to ensure iterate works
# on subsequent calls.
exp_steps = [step() for _ in range(n)]
res_steps = test_sim.iterate(n)
for step_no, (exp_step, res_step) in enumerate(zip(exp_steps, res_steps)):
assertEqual(exp_step, res_step, step_no)
assertEqual(exp_sim, test_sim)
def run_decay_test(n=5400, start_temp=D('37.04'), c=TempSim.DEFAULT_COOL_CONSTANT):
"""
@return:
@rtype:
"""
sim = TempSim(start_temp, 19, 0, D(c))
steps = sim.iterate(n)
return steps
def test_cooling(c=D('-0.000039')):
delsim()
from scripts.run.temp_sim import TempSim
sim = TempSim(42, 15, 0, c)
steps = sim.iterate(40000)
# _str = str
# steps = [(_str(x), _str(y)) for x, y in steps]
return steps
def manyboth():
import sys
try:
del sys.modules['scripts.run.temp_sim']
except KeyError:
pass
from scripts.run.temp_sim import TempSim
from random import uniform
Decimal = D
rnd_2_const = Decimal('-1e-5')
repr_quant = Decimal("1.00000000000")
tcs = []
kps = []
cs = []
hd1 = Decimal(6.8)
hd2 = Decimal(0)
try:
while True:
rnd = uniform(4, 7.5)
cconst = Decimal(rnd) * rnd_2_const
sim = TempSim(D('37.114'), 19, hd1, cconst)
sim.quietiter(250000)
temp1 = sim.current_temp
tstart = sim.seconds
sim.heat_duty = hd2
bump_steps = sim.iterate(250000)
temp2 = sim.current_temp
dt = temp2 - temp1
t63 = temp1 + dt * Decimal('0.63')
if dt > 0:
cmp = t63.__lt__
else:
cmp = t63.__gt__
tend = next(i for i, t in bump_steps if cmp(t))
dPV = temp2 - temp1
dCO = hd2 - hd1
tc = tend - tstart
kp = dPV / dCO
tcs.append(tc)
kps.append(kp)
cs.append(sim.cool_rate)
print("Const:", sim.cool_rate.quantize(repr_quant), "Ti:", int(tc), "Kp:", kp.quantize(repr_quant))
except KeyboardInterrupt:
return list(zip(cs, tcs, kps))
def check():
import sys
n = 15000
try:
del sys.modules['scripts.run.temp_sim']
except KeyError:
pass
from scripts.run.temp_sim import TempSim, PIDController
sim = TempSim(D('28.183533'), 19, 0)
pid = PIDController(37, 40, D('0.55'))
pid.off_to_auto(sim.current_temp)
pv = sim.current_temp
#: @type: list[tuple[D]]
steps1 = []
ap = steps1.append
for _ in range(n):
hd = pid.step_output(pv)
t, pv = sim.step_heat(hd)
ap((t, pv))
sim = TempSim(D('28.183533'), 19, 0)
def auto_mode(self, pv):
e_t = self.set_point - pv
self.accumulated_error = - e_t * self.pgain * self.itime
PIDController.off_to_auto = auto_mode
pid = PIDController(37, 40, D('0.55'))
pid.off_to_auto(sim.current_temp)
pv = sim.current_temp
#: @type: list[tuple[D]]
steps2 = []
ap = steps2.append
for _ in range(n):
hd = pid.step_output(pv)
t, pv = sim.step_heat(hd)
ap((t, pv))
from decimal import Context
ctxt = Context(prec=3)
def eq(one, two, ctxt=ctxt, compare=D.compare):
return not (compare(one[0], two[0], ctxt) and compare(one[1], two[1], ctxt))
diff = [(i, one, two) for i, (one, two) in enumerate(zip(steps1, steps2)) if not eq(one, two)]
return diff
def plotsim(n=7200, c=D('-0.00004679011328')):
try:
import sys
del sys.modules['scripts.run.temp_sim']
except KeyError:
pass
from scripts.run.temp_sim import TempSim
sim = TempSim(D('37.115'), 19, 0, c)
steps = sim.iterate(n)
from officelib.xllib.xlcom import xlBook2
xl, wb = xlBook2('PID.xlsx')
ws = wb.Worksheets(2)
cells = ws.Cells
firstcol = 19
cells.Range(cells(2, firstcol), cells(len(steps) + 1, firstcol + 1)).Value = [(str(t), str(v)) for t, v in steps]
def plot_m(h, linest_formula, linest_range, plotcell, xcol, ycol):
from scripts.run.temp_sim import TempSim
from officelib.xllib.xladdress import cellRangeStr
sim = TempSim(28, 19, 50, heat_constant=h)
data = sim.iterate(30000)
xs, ys = zip(*data)
start = next(i for i, pv in enumerate(ys) if pv > 30)
end = next((i for i, pv in enumerate(ys, start) if pv > 36), len(ys) - 1)
assert ys[start] > 30
assert ys[end] > 36
xldata = [(str(x), str(y)) for x, y in zip(xs[start:end], ys[start:end])]
plotxl_by_cell(xldata, plotcell)
linest_args = linest_formula % (
cellRangeStr(
(2, ycol), (end - start, ycol)
),
cellRangeStr(
(2, xcol), (end - start, xcol)
)
)
# print(linest_args)
linest_range.FormulaArray = linest_args
def test_quiet_iter(self):
"""
@return:
@rtype:
"""
for args in self.init_args:
exp_sim = TempSim(*args, leak_const=0)
test_sim = TempSim(*args, leak_const=0)
step = exp_sim.step
n = 10000
for _ in range(n):
step()
test_sim.quietiter(n)
self.assertEqual(exp_sim, test_sim)
# test quiet step while we're here
step()
test_sim.quietstep()
self.assertEqual(exp_sim, test_sim)
# repeat the same thing to ensure iterate works
# on subsequent calls.
for _ in range(n):
step()
test_sim.quietiter(n)
self.assertEqual(exp_sim, test_sim)
# test quiet step while we're here
step()
test_sim.quietstep()
self.assertEqual(exp_sim, test_sim)
