Beispiel #1
0
tActuator = TimeDiscretisation(t0, h)
s = TimeStepping(t, 0)
s.insertIntegrator(OSI)

# Actuator, Sensor & ControlManager
control = ControlManager(s)
sens = LinearSensor(doubleIntegrator, C)
control.addSensorPtr(sens, tSensor)
act = PID(sens)
act.setB(B)
control.addActuatorPtr(act, tActuator)

# Initialization
process.setSimulation(s)
process.initialize()
control.initialize(process)
act.setRef(xFinal)
act.setK(K)
act.setDeltaT(h)
# This is not working right now
#eventsManager = s.eventsManager()

# Matrix for data storage
dataPlot = empty((3*N+3, outputSize))
dataPlot[0, 0] = process.t0()
dataPlot[0, 1] = doubleIntegrator.x()[0]
dataPlot[0, 2] = doubleIntegrator.x()[1]
dataPlot[0, 3] = doubleIntegrator.b()[0]
dataPlot[0, 4] = doubleIntegrator.b()[1]

# Main loop
Beispiel #2
0
tActuator = sk.TimeDiscretisation(t0, h)
s = sk.TimeStepping(t, 0)
s.insertIntegrator(OSI)

# Actuator, Sensor & ControlManager
control = ControlManager(s)
sens = LinearSensor(doubleIntegrator, C)
control.addSensorPtr(sens, tSensor)
act = PID(sens)
act.setB(B)
control.addActuatorPtr(act, tActuator)

# Initialization
process.setSimulation(s)
process.initialize()
control.initialize(process)
act.setRef(xFinal)
act.setK(K)
act.setDeltaT(h)
# This is not working right now
#eventsManager = s.eventsManager()

# Matrix for data storage
dataPlot = zeros((3 * N + 3, outputSize))
dataPlot[0, 0] = process.t0()
dataPlot[0, 1] = doubleIntegrator.x()[0]
dataPlot[0, 2] = doubleIntegrator.x()[1]
if doubleIntegrator.b() is not None:
    dataPlot[0, 3] = doubleIntegrator.b()[0]
    dataPlot[0, 4] = doubleIntegrator.b()[1]
processSimulation.setName("plant simulation")
# Declaration of the integrator
processIntegrator = ZeroOrderHoldOSI(processDS)
processSimulation.insertIntegrator(processIntegrator)
# Actuator, Sensor & ControlManager
control = ControlManager(process)
sens = LinearSensor(tSensor, processDS, sensorC)
control.addSensorPtr(sens)
act = LinearSMCOT2(tActuator, processDS)
act.setCsurfacePtr(Csurface)
act.addSensorPtr(sens)
control.addActuatorPtr(act)

# Initialization
process.initialize(processSimulation)
control.initialize()
# This is not working right now
#eventsManager = s.eventsManager()

# Matrix for data storage
dataPlot = empty((N+1, outputSize))
#dataPlot[0, 0] = processDS.t0()
dataPlot[0, 0] = t0
dataPlot[0, 1] = processDS.x()[0]
dataPlot[0, 2] = processDS.x()[1]
dataPlot[0, 3] = processDS.z()[0]
dataPlot[0, 4] = processDS.z()[1]

# Main loop
k = 1
while(processSimulation.hasNextEvent()):
Beispiel #4
0
def test_smc1():
    from siconos.kernel import FirstOrderLinearDS, Model, TimeDiscretisation, \
        TimeStepping, ZeroOrderHoldOSI, TD_EVENT
    from siconos.control.simulation import ControlManager
    from siconos.control.sensor import LinearSensor
    from siconos.control.controller import LinearSMCOT2
    from numpy import eye, empty, zeros
    import numpy as np
    from math import ceil, sin

    # Derive our own version of FirstOrderLinearDS
    class MyFOLDS(FirstOrderLinearDS):
        def computeb(self, time):
            t = sin(50*time)
            # XXX fix this !
            u = [t, -t]
            self.setb(u)

    # variable declaration
    ndof = 2   # Number of degrees of freedom of your system
    t0 = 0.0   # start time
    T = 1    # end time
    h = 1.0e-4  # time step for simulation
    hControl = 1.0e-2  # time step for control
    Xinit = 1.0  # initial position
    N = ceil((T-t0)/h + 10)  # number of time steps
    outputSize = 4  # number of variable to store at each time step

    # Matrix declaration
    A = zeros((ndof, ndof))
    x0 = [Xinit, -Xinit]
    Brel = np.array([[0], [1]])
    sensorC = eye(ndof)
    sensorD = zeros((ndof, ndof))
    Csurface = [[0, 1.0]]

    # Simple check
    if h > hControl:
        print("hControl must be bigger than h")
        exit(1)

    # Declaration of the Dynamical System
    processDS = MyFOLDS(x0, A)
    # XXX b is not automatically created ...
#    processDS.setb([0, 0])
    # Model
    process = Model(t0, T)
    process.nonSmoothDynamicalSystem().insertDynamicalSystem(processDS)
    # time discretization
    processTD = TimeDiscretisation(t0, h)
    tSensor = TimeDiscretisation(t0, hControl)
    tActuator = TimeDiscretisation(t0, hControl)
    # Creation of the Simulation
    processSimulation = TimeStepping(processTD, 0)
    processSimulation.setName("plant simulation")
    # Declaration of the integrator
    processIntegrator = ZeroOrderHoldOSI()
    process.nonSmoothDynamicalSystem().setOSI(processDS, processIntegrator)
    processSimulation.insertIntegrator(processIntegrator)
    # Actuator, Sensor & ControlManager
    control = ControlManager(processSimulation)
    sens = LinearSensor(processDS, sensorC, sensorD)

    control.addSensorPtr(sens, tSensor)
    act = LinearSMCOT2(sens)
    act.setCsurface(Csurface)
    act.setB(Brel)
    control.addActuatorPtr(act, tActuator)

    # Initialization.
    process.initialize(processSimulation)
    control.initialize(process)
    # This is not working right now
    # eventsManager = s.eventsManager()

    # Matrix for data storage
    dataPlot = empty((3*(N+1), outputSize))
    dataPlot[0, 0] = t0
    dataPlot[0, 1] = processDS.x()[0]
    dataPlot[0, 2] = processDS.x()[1]
    dataPlot[0, 3] = act.u()[0]

    # Main loop
    k = 1
    while processSimulation.hasNextEvent():
        if processSimulation.eventsManager().nextEvent().getType() == TD_EVENT:
            processSimulation.computeOneStep()
        dataPlot[k, 0] = processSimulation.nextTime()
        dataPlot[k, 1] = processDS.x()[0]
        dataPlot[k, 2] = processDS.x()[1]
        dataPlot[k, 3] = act.u()[0]
        k += 1
        processSimulation.nextStep()
    #    print processSimulation.nextTime()
    # Resize matrix
    dataPlot.resize(k, outputSize)