Exemple #1
0
void basicBayes::runRealWorld(){

  bool realWorld = false;

  if (realWorld == false){
  //When you want to use a simulation for the real world
  
    int realModel = 3;

    std::cout << "this is the real world" << std::endl;
  
    if (realModel == 0){
      BasicDemo world;
      realCurrentState_ = world.runSimulation(realPrevState_,realAction_);
    }
    else if (realModel == 1){
      realCurrentState_ = realPrevState_;
    }
    else if (realModel == 2){
      BasicDemoRev world;
      std::vector<double> temp;
      temp.push_back(atan2(realPrevState_[1],realPrevState_[0]-0.44));
      realCurrentState_ = world.runSimulation(temp,realAction_);
    }
    else if (realModel == 3){
      BasicDemoPris world;
      std::vector<double> temp;
      temp.push_back(realPrevState_[0]);
      realCurrentState_ = world.runSimulation(temp,realAction_);
    }
    
  }
  
  //When you want to use the robot for the real world
  //translation of the coordinate systems is required
  //bullet: +x forward, +y up, +z to the right, realAction_, realCurrentState_
  //pr2: +x forward, +y to the left, +z up, translatedAction, translatedCurrentState
  
  else if (realWorld == true){
    std::vector<double> translatedAction;
    translatedAction.push_back(realAction_[0]); //b to pr2: x+ to x+
    translatedAction.push_back(-realAction_[1]); // +z to +y
    //translatedAction.push_back(0.0);
    //translatedAction.push_back(0.0);
    translatedAction.push_back(0.0); //this is just +z for the pr2 which isn't read anyways
    
    sendRequest(translatedAction);
    //realCurrentState_.clear();
    //realCurrentState_.shrink_to_fit();
    
    std::vector<double> translatedCurrentState;
    std::cout << "Now, waiting for a response from the robot" << std::endl;
    while(!getResponse(translatedCurrentState)){
      //std::cout << "waiting for a response from the robot" << std::endl;
    }
    realCurrentState_[0] = translatedCurrentState[0]; //pr2 to b: x+ to x+
    realCurrentState_[1] = -translatedCurrentState[1]; // +y to +z
    std::cout << "observation from robot: " << realCurrentState_[0] << " , " << realCurrentState_[1] << std::endl;
  }
  
}
Exemple #2
0
std::vector<double> basicBayes::stateTransition(std::vector<double> prevState, std::vector<double> action){	
	//this funciton is problem specific

	//make this do something eventually
	std::vector<double> nextState;
	double sum = std::accumulate(action.begin(),action.end(),(double) 0);
	if (sum == -100.0) {
	  //Didn't do anything kind of this has to change
	  nextState = prevState;
	}
	else {
	  //this is saying there is no probability to transition between models
	  //prevState[0] is the model. 0.0 is free, 1.0 is fixed, 2.0 is revolute, 3.0 is prismatic

	  //WOM means without model.
	  std::vector<double> prevStateWOM;
	  
	  prevStateWOM.assign(prevState.begin()+1,prevState.end()); //state without the model which is always the first entry in the state

	  std::vector<double> tempWorldState;

	  if (prevState[0]==0.0) {
	    //model: free
	    BasicDemo world;
	    tempWorldState = world.runSimulation(prevStateWOM,action);
	    nextState.push_back(0.0); //this is saying you end up in the same state
	    for(size_t j=0;j<tempWorldState.size();j++){
	      nextState.push_back(tempWorldState[j]);
	    }
	  }
	  else if (prevState[0]==1.0) {
	    //model: fixed
	    nextState=prevState;
	  }
	  else if (prevState[0]==2.0) {
	    //model: revolute
	    BasicDemoRev world;
	    tempWorldState = world.runSimulation(prevStateWOM,action);
	    nextState.push_back(2.0); //this is saying you end up in the same state
	    for(size_t j=0;j<tempWorldState.size();j++){
	      nextState.push_back(tempWorldState[j]);
	    }
	  }
	  else if (prevState[0]==3.0) {
	    //model: prismatic
	    BasicDemoPris world;
	    tempWorldState = world.runSimulation(prevStateWOM,action);
	    nextState.push_back(3.0); //this is saying you end up in the same state
	    for(size_t j=0;j<tempWorldState.size();j++){
	      nextState.push_back(tempWorldState[j]);
	    }
	  }

	  //print out what the simulation returned each time
	  if (debug_print_){
	    std::cout << "the simulation returned:" << std::endl;
	    for(size_t j=0;j<tempWorldState.size();j++){
	      std::cout << tempWorldState[j] << "," << std::endl;
	    }		
	  }

	}
	
	return nextState;
}