- use heat diffusion for water model instead of delay line

components/plant/heat_diffusion.py

@@ -0,0 +1,23 @@
+import numpy as np
+
+
+class HeatDiffusion:
+	def __init__(self, dt, delay, ic=0):
+		self.alpha = dt/delay
+		self.beta = 1 - self.alpha
+		self.state = ic
+
+	def initial(self, ic):
+		self.state = ic
+
+	def process(self, x):
+		self.state = self.beta * self.state + self.alpha*x
+		return self.state
+
+
+if __name__ == '__main__':
+	d = HeatDiffusion(0.1, 1)
+
+	for i in range(1, 200):
+		y = d.process(1)
+		print("In = {}, out = {}".format(i, y))