[Pot]

- added demo

scripts/demos/plant/demo_pot.py

@@ -0,0 +1,59 @@
+import numpy as np
+from matplotlib.pyplot import plot, figure, subplot, grid, show, legend
+from components.plant.pot import Pot
+
+
+if __name__ == '__main__':
+	dt = 1.0
+	power_on = 3500
+	steps_heat = 4000
+	steps_cool = 40000
+
+	pot_params = {
+		"theta"		: 20,
+		"C"			: 4190,
+		"M"			: 20,
+		"L"			: 0.4,
+		"Td"		: 30,
+		"kn"		: 0.2,
+		"gain"		: 1.0
+	}
+
+	pot = Pot(dt, pot_params)
+
+	_t = np.empty(0)
+	_temp = np.empty(0)
+	_p_pot = np.empty(0)
+	_power = np.empty(0)
+
+	t = 0
+	pot.set_power(power_on)
+	for _ in range(steps_heat):
+		pot.process()
+		_t = np.append(_t, t)
+		_temp = np.append(_temp, pot.get_temperature())
+		_p_pot = np.append(_p_pot, pot.get_p_pot())
+		_power = np.append(_power, pot.get_power())
+		t += 1
+
+	pot.set_power(0)
+	for _ in range(steps_cool):
+		pot.process()
+		_t = np.append(_t, t)
+		_temp = np.append(_temp, pot.get_temperature())
+		_p_pot = np.append(_p_pot, pot.get_p_pot())
+		_power = np.append(_power, pot.get_power())
+		t += 1
+
+	figure(1)
+	subplot(2, 1, 1)
+	plot(_t, _temp, '-b', linewidth=1)
+	legend(["temp"])
+	grid(True)
+	subplot(2, 1, 2)
+	plot(_t, _power, '-g', _t, _p_pot, '-r', linewidth=1)
+	legend(["power", "p_pot"])
+	grid(True)
+	show()
+
+	print("End of program")