示例#1
0
 def __init__(self):
     self.logfile = TimedFileLogger('/tmp/log.crtrlog')
     self.environment = CreateRobot()
     self.environment.fullMode()
     self.latencyTimer = Chrono()
     self.clock = Clock("CreateNexting")
     self.rewards = self.createRewardFunction()
     self.actions = [CreateAction(-200, +200)]
     self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
     self.obsHistory = ObsHistory(10, self.environment.legend())
     self.representation = TileCodersNoHashing(
         self.obsHistory.historyVectorSize(), 0, 4096)
     self.representation.includeActiveFeature()
     for name in self.sensorsOfInterest:
         for timeShift in range(self.HistoryLength):
             indexes = self.obsHistory.selectIndexes(timeShift, name)
             self.representation.addTileCoder(indexes, 64, 8)
     self.demons = DemonScheduler()
     self.verifiers = []
     for rewardFunction in self.rewards:
         for gamma in [0, 0.5, 0.75, 7 / 8., 15 / 16.]:
             demon = self.createOnPolicyPredictionDemon(
                 rewardFunction, gamma)
             verifier = PredictionDemonVerifier(demon)
             self.verifiers.append(verifier)
             self.demons.add(demon)
             self.demonToData[demon] = (verifier,
                                        rewardFunction.label() + str(gamma))
     self.x_t = None
class DemonExperiment(object):
    Latency = 100 #s
    
    def __init__(self):
        self.environment = CritterbotSimulator()
        self.latencyTimer = Chrono()
        self.rewards = self.createRewardFunction()
        self.actions = XYThetaAction.sevenActions()
        self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
        self.representation = TileCodersNoHashing(self.environment.legend().nbLabels(), -2000, 2000)
        self.representation.includeActiveFeature()
        self.demons = DemonScheduler()
        for rewardFunction in self.rewards:
            self.demons.add(self.createOffPolicyControlDemon(rewardFunction))
        self.x_t = None

    def createRewardFunction(self):
        legend = self.environment.legend()
        return [ SensorRewardFunction(legend, 'MotorCurrent0'),
                 SensorRewardFunction(legend, 'MotorCurrent1'),
                 SensorRewardFunction(legend, 'MotorCurrent2') ]

    def createOffPolicyControlDemon(self, rewardFunction):
        toStateAction = TabularAction(self.actions, self.representation.vectorSize())
        nbFeatures = toStateAction.actionStateFeatureSize()
        lambda_ = 0.1
        beta = .1
        alpha_v = .1 / self.representation.nbActive()
        alpha_w = .1 / self.representation.nbActive()
        gq = GQ(alpha_v, alpha_w, beta , lambda_, nbFeatures)
        targetPolicy = Greedy(gq, self.actions, toStateAction)
        controlGQ = ExpectedGQ(gq, self.actions, toStateAction, targetPolicy, self.behaviourPolicy)
        return ControlOffPolicyDemon(rewardFunction, controlGQ)
        
    def learn(self, a_t, o_tp1):
        for rewardFunction in self.rewards:
            rewardFunction.update(o_tp1)
        x_tp1 = self.representation.project(o_tp1)
        self.demons.update(self.x_t, a_t, x_tp1)
        self.x_t = x_tp1
        
    def run(self):
        a_t = None
        while not self.environment.isClosed():
            self.latencyTimer.start()
            o_tp1 = self.environment.waitNewObs()
            self.learn(a_t, o_tp1)
            a_tp1 = self.behaviourPolicy.decide(None)
            self.environment.sendAction(a_tp1)
            a_t = a_tp1
            waitingTime = self.Latency - self.latencyTimer.getCurrentMillis()
            if waitingTime > 0:
                time.sleep(waitingTime / 1000.0)
                
    def zephyrize(self):
        clock = self.environment.clock()
        zepy.advertise(self.environment, clock)
        zepy.advertise(self.demons, clock)
        for rewardFunction in self.rewards:
            zepy.monattr(rewardFunction, 'rewardValue', clock = clock, label = rewardFunction.label)
示例#3
0
class DemonExperiment(object):
    Latency = 100 #s
    
    def __init__(self):
        self.environment = CritterbotSimulator()
        self.latencyTimer = Chrono()
        self.rewards = self.createRewardFunction()
        self.actions = XYThetaAction.sevenActions()
        self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
        self.representation = TileCodersNoHashing(self.environment.legend().nbLabels(), -2000, 2000)
        self.representation.includeActiveFeature()
        self.demons = DemonScheduler()
        for rewardFunction in self.rewards:
            targetPolicy = SingleActionPolicy(XYThetaAction.Left)
            demon = self.createOffPolicyPredictionDemon(rewardFunction, targetPolicy)
            self.demons.add(demon)
        self.x_t = None

    def createRewardFunction(self):
        legend = self.environment.legend()
        return [ SensorRewardFunction(legend, 'MotorCurrent0'),
                 SensorRewardFunction(legend, 'MotorCurrent1'),
                 SensorRewardFunction(legend, 'MotorCurrent2') ]

    def createOffPolicyPredictionDemon(self, rewardFunction, targetPolicy):
        gamma = .9
        alpha_v = .1 / self.representation.nbActive()
        alpha_w = .1 / self.representation.nbActive() 
        nbFeatures = self.representation.vectorSize()
        gtd = GTD(gamma, alpha_v, alpha_w, nbFeatures)
        return PredictionOffPolicyDemon(rewardFunction, gtd, targetPolicy, self.behaviourPolicy)
        
    def learn(self, a_t, o_tp1):
        for rewardFunction in self.rewards:
            rewardFunction.update(o_tp1)
        x_tp1 = self.representation.project(o_tp1)
        self.demons.update(self.x_t, a_t, x_tp1)
        self.x_t = x_tp1
        
    def run(self):
        a_t = None
        while not self.environment.isClosed():
            self.latencyTimer.start()
            o_tp1 = self.environment.waitNewObs()
            self.learn(a_t, o_tp1)
            a_tp1 = self.behaviourPolicy.decide(None)
            self.environment.sendAction(a_tp1)
            a_t = a_tp1
            waitingTime = self.Latency - self.latencyTimer.getCurrentMillis()
            if waitingTime > 0:
                time.sleep(waitingTime / 1000.0)
                
    def zephyrize(self):
        clock = self.environment.clock()
        zepy.advertise(self.environment, clock)
        zepy.advertise(self.demons, clock)
        for rewardFunction in self.rewards:
            zepy.monattr(rewardFunction, 'rewardValue', clock = clock, label = rewardFunction.label)
class DemonExperiment(object):
    Latency = 100 #s
    
    def __init__(self):
        self.environment = CritterbotSimulator()
        self.latencyTimer = Chrono()
        self.rewards = self.createRewardFunction()
        self.actions = XYThetaAction.sevenActions()
        self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
        self.representation = TileCodersNoHashing(self.environment.legend().nbLabels(), -2000, 2000)
        self.representation.includeActiveFeature()
        self.demons = DemonScheduler()
        for rewardFunction in self.rewards:
            demon = self.createOnPolicyPredictionDemon(rewardFunction)
            self.demons.add(demon)
        self.x_t = None

    def createRewardFunction(self):
        legend = self.environment.legend()
        return list(SensorRewardFunction(legend, label) for label in legend.getLabels())

    def createOnPolicyPredictionDemon(self, rewardFunction):
        gamma = .9
        alpha = .1 / self.representation.nbActive()
        nbFeatures = self.representation.vectorSize()
        lambda_= .3
        td = TDLambda(lambda_, gamma, alpha, nbFeatures)
        return PredictionDemon(rewardFunction, td)
        
    def learn(self, a_t, o_tp1):
        for rewardFunction in self.rewards:
            rewardFunction.update(o_tp1)
        x_tp1 = self.representation.project(o_tp1)
        self.demons.update(self.x_t, a_t, x_tp1)
        self.x_t = x_tp1
        
    def run(self):
        a_t = None
        while not self.environment.isClosed():
            self.latencyTimer.start()
            o_tp1 = self.environment.waitNewObs()
            self.learn(a_t, o_tp1)
            a_tp1 = self.behaviourPolicy.decide(None)
            self.environment.sendAction(a_tp1)
            a_t = a_tp1
            waitingTime = self.Latency - self.latencyTimer.getCurrentMillis()
            if waitingTime > 0:
                time.sleep(waitingTime / 1000.0)
                
    def zephyrize(self):
        clock = self.environment.clock()
        zepy.advertise(self.environment, clock)
        zepy.advertise(self.demons, clock)
        for rewardFunction in self.rewards:
            zepy.monattr(rewardFunction, 'rewardValue', clock = clock, label = rewardFunction.label)
 def __init__(self):
     self.environment = CritterbotSimulator()
     self.latencyTimer = Chrono()
     self.rewards = self.createRewardFunction()
     self.actions = XYThetaAction.sevenActions()
     self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
     self.representation = TileCodersNoHashing(self.environment.legend().nbLabels(), -2000, 2000)
     self.representation.includeActiveFeature()
     self.demons = DemonScheduler()
     for rewardFunction in self.rewards:
         self.demons.add(self.createOffPolicyControlDemon(rewardFunction))
     self.x_t = None
示例#6
0
 def __init__(self):
     self.logfile = TimedFileLogger("/tmp/log.crtrlog")
     self.environment = CreateRobot()
     self.environment.fullMode()
     self.latencyTimer = Chrono()
     self.clock = Clock("CreateNexting")
     self.rewards = self.createRewardFunction()
     self.actions = [CreateAction(-200, +200)]
     self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
     self.obsHistory = ObsHistory(10, self.environment.legend())
     self.representation = TileCodersNoHashing(self.obsHistory.historyVectorSize(), 0, 4096)
     self.representation.includeActiveFeature()
     for name in self.sensorsOfInterest:
         for timeShift in range(self.HistoryLength):
             indexes = self.obsHistory.selectIndexes(timeShift, name)
             self.representation.addTileCoder(indexes, 64, 8)
     self.demons = DemonScheduler()
     self.verifiers = []
     for rewardFunction in self.rewards:
         for gamma in [0, 0.5, 0.75, 7 / 8.0, 15 / 16.0]:
             demon = self.createOnPolicyPredictionDemon(rewardFunction, gamma)
             verifier = PredictionDemonVerifier(demon)
             self.verifiers.append(verifier)
             self.demons.add(demon)
             self.demonToData[demon] = (verifier, rewardFunction.label() + str(gamma))
     self.x_t = None
示例#7
0
class DemonExperiment(LabeledCollection):
    Latency = 100  # milliseconds
    HistoryLength = 10
    sensorsOfInterest = ["CliffSignalLeft", "CliffSignalFrontLeft", "CliffSignalFrontRight", "CliffSignalRight"]
    demonToData = {}

    def __init__(self):
        self.logfile = TimedFileLogger("/tmp/log.crtrlog")
        self.environment = CreateRobot()
        self.environment.fullMode()
        self.latencyTimer = Chrono()
        self.clock = Clock("CreateNexting")
        self.rewards = self.createRewardFunction()
        self.actions = [CreateAction(-200, +200)]
        self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
        self.obsHistory = ObsHistory(10, self.environment.legend())
        self.representation = TileCodersNoHashing(self.obsHistory.historyVectorSize(), 0, 4096)
        self.representation.includeActiveFeature()
        for name in self.sensorsOfInterest:
            for timeShift in range(self.HistoryLength):
                indexes = self.obsHistory.selectIndexes(timeShift, name)
                self.representation.addTileCoder(indexes, 64, 8)
        self.demons = DemonScheduler()
        self.verifiers = []
        for rewardFunction in self.rewards:
            for gamma in [0, 0.5, 0.75, 7 / 8.0, 15 / 16.0]:
                demon = self.createOnPolicyPredictionDemon(rewardFunction, gamma)
                verifier = PredictionDemonVerifier(demon)
                self.verifiers.append(verifier)
                self.demons.add(demon)
                self.demonToData[demon] = (verifier, rewardFunction.label() + str(gamma))
        self.x_t = None

    def label(self, index):
        return self.demons.demons().get(index).label()

    def createRewardFunction(self):
        legend = self.environment.legend()
        return list(SensorRewardFunction(legend, label) for label in self.sensorsOfInterest)

    def createOnPolicyPredictionDemon(self, rewardFunction, gamma):
        alpha = 0.1 / self.representation.nbActive()
        nbFeatures = self.representation.vectorSize()
        lambda_ = 1.0
        td = TDLambda(lambda_, gamma, alpha, nbFeatures)
        return PredictionDemon(rewardFunction, td)

    def learn(self, a_t, o_tp1):
        for rewardFunction in self.rewards:
            rewardFunction.update(o_tp1)
        ho_tp1 = self.obsHistory.update(o_tp1)
        x_tp1 = self.representation.project(ho_tp1)
        self.demons.update(self.x_t, a_t, x_tp1)
        for verifier in self.verifiers:
            verifier.update(False)
        self.x_t = x_tp1

    def run(self):
        a_t = None
        while not self.environment.isClosed():
            self.clock.tick()
            self.logfile.update()
            self.latencyTimer.start()
            o_tp1 = self.environment.waitNewObs()
            self.learn(a_t, o_tp1)
            a_tp1 = self.behaviourPolicy.decide(None)
            self.environment.sendAction(a_tp1)
            a_t = a_tp1
            waitingTime = self.Latency - self.latencyTimer.getCurrentMillis()
            if waitingTime > 0:
                time.sleep(waitingTime / 1000.0)

    def zephyrize(self):
        Zephyr.registerLabeledCollection(self, "demons", "")
        monitoredList = [self.verifiers, self.environment, self.demons]
        for monitored in monitoredList:
            zepy.advertise(monitored, self.clock)
            self.logfile.add(monitored, 0)
        monitor = ZephyrPlotting.createMonitor(self.clock)
        for rewardFunction in self.rewards:
            zepy.monattr(rewardFunction, "rewardValue", clock=self.clock, label=rewardFunction.label())
示例#8
0
class DemonExperiment(LabeledCollection):
    Latency = 100  #milliseconds
    HistoryLength = 10
    sensorsOfInterest = [
        "CliffSignalLeft", "CliffSignalFrontLeft", "CliffSignalFrontRight",
        "CliffSignalRight"
    ]
    demonToData = {}

    def __init__(self):
        self.logfile = TimedFileLogger('/tmp/log.crtrlog')
        self.environment = CreateRobot()
        self.environment.fullMode()
        self.latencyTimer = Chrono()
        self.clock = Clock("CreateNexting")
        self.rewards = self.createRewardFunction()
        self.actions = [CreateAction(-200, +200)]
        self.behaviourPolicy = RandomPolicy(Random(0), self.actions)
        self.obsHistory = ObsHistory(10, self.environment.legend())
        self.representation = TileCodersNoHashing(
            self.obsHistory.historyVectorSize(), 0, 4096)
        self.representation.includeActiveFeature()
        for name in self.sensorsOfInterest:
            for timeShift in range(self.HistoryLength):
                indexes = self.obsHistory.selectIndexes(timeShift, name)
                self.representation.addTileCoder(indexes, 64, 8)
        self.demons = DemonScheduler()
        self.verifiers = []
        for rewardFunction in self.rewards:
            for gamma in [0, 0.5, 0.75, 7 / 8., 15 / 16.]:
                demon = self.createOnPolicyPredictionDemon(
                    rewardFunction, gamma)
                verifier = PredictionDemonVerifier(demon)
                self.verifiers.append(verifier)
                self.demons.add(demon)
                self.demonToData[demon] = (verifier,
                                           rewardFunction.label() + str(gamma))
        self.x_t = None

    def label(self, index):
        return self.demons.demons().get(index).label()

    def createRewardFunction(self):
        legend = self.environment.legend()
        return list(
            SensorRewardFunction(legend, label)
            for label in self.sensorsOfInterest)

    def createOnPolicyPredictionDemon(self, rewardFunction, gamma):
        alpha = .1 / self.representation.nbActive()
        nbFeatures = self.representation.vectorSize()
        lambda_ = 1.0
        td = TDLambda(lambda_, gamma, alpha, nbFeatures)
        return PredictionDemon(rewardFunction, td)

    def learn(self, a_t, o_tp1):
        for rewardFunction in self.rewards:
            rewardFunction.update(o_tp1)
        ho_tp1 = self.obsHistory.update(o_tp1)
        x_tp1 = self.representation.project(ho_tp1)
        self.demons.update(self.x_t, a_t, x_tp1)
        for verifier in self.verifiers:
            verifier.update(False)
        self.x_t = x_tp1

    def run(self):
        a_t = None
        while not self.environment.isClosed():
            self.clock.tick()
            self.logfile.update()
            self.latencyTimer.start()
            o_tp1 = self.environment.waitNewObs()
            self.learn(a_t, o_tp1)
            a_tp1 = self.behaviourPolicy.decide(None)
            self.environment.sendAction(a_tp1)
            a_t = a_tp1
            waitingTime = self.Latency - self.latencyTimer.getCurrentMillis()
            if waitingTime > 0:
                time.sleep(waitingTime / 1000.)

    def zephyrize(self):
        Zephyr.registerLabeledCollection(self, "demons", "")
        monitoredList = [self.verifiers, self.environment, self.demons]
        for monitored in monitoredList:
            zepy.advertise(monitored, self.clock)
            self.logfile.add(monitored, 0)
        monitor = ZephyrPlotting.createMonitor(self.clock)
        for rewardFunction in self.rewards:
            zepy.monattr(rewardFunction,
                         'rewardValue',
                         clock=self.clock,
                         label=rewardFunction.label())