jens
bd94845152
git-svn-id: http://moon:8086/svn/projects/HendiControl@250 fda53097-d464-4ada-af97-ba876c37ca34
61 lines
1.2 KiB
Python
61 lines
1.2 KiB
Python
import numpy as np
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import json
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from aplant import APlant
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from math import sqrt
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class Mass(APlant):
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def __init__(self, params):
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print(json.dumps({'Mass': params}, indent=4, sort_keys=True))
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self.dt = params['dt']
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self.alpha = 1.0
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self.e = 0
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self.x = 0
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self.gain = 0.999
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self.C = params['C']
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self.M = params['M']
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self.L = params['L']
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self.Td = params['Td']
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self.kn = params['kn']
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self.theta_amb = params['theta_amb']
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self.theta = 0
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self.P = 0
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self.alpha = self.dt/1
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self.Nd = int(self.Td/self.dt)
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self.delay = np.zeros((self.Nd, 1))
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self.ri = 0
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self.wi = 0
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def activate(self, enable):
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pass
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def process(self):
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if self.ri >= self.delay.size:
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self.ri = 0
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P = self.delay[self.ri][0]
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self.ri += 1
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self.e = self.e*(1 - ((self.L*self.theta)*self.dt)/(self.M*self.C))
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self.x = (1-self.alpha)*self.x + self.gain*self.alpha*P
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self.e += self.x
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self.theta = self.e/(self.M*self.C)
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def setPower(self, power_w):
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k = int(power_w / 100 +0.5)
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P = k * 100
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if self.wi >= self.delay.size:
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self.wi = 0
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self.delay[self.wi] = P
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self.wi += 1
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self.P = P
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def getPower(self):
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return self.P
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def getTemperature(self):
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return round(self.theta + self.theta_amb + self.kn*np.random.normal(0,1)/sqrt(12.0), 1)
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