| 1 |  |  | /* | 
    
    | 2 |  |  |  * Copyright 2010, | 
    
    | 3 |  |  |  * François Bleibel, | 
    
    | 4 |  |  |  * Olivier Stasse, | 
    
    | 5 |  |  |  * | 
    
    | 6 |  |  |  * CNRS/AIST | 
    
    | 7 |  |  |  * | 
    
    | 8 |  |  |  */ | 
    
    | 9 |  |  |  | 
    
    | 10 |  |  | /* --------------------------------------------------------------------- */ | 
    
    | 11 |  |  | /* --- INCLUDE --------------------------------------------------------- */ | 
    
    | 12 |  |  | /* --------------------------------------------------------------------- */ | 
    
    | 13 |  |  |  | 
    
    | 14 |  |  | /* SOT */ | 
    
    | 15 |  |  | #include <dynamic-graph/all-commands.h> | 
    
    | 16 |  |  |  | 
    
    | 17 |  |  | #include <sot/core/debug.hh> | 
    
    | 18 |  |  | #include <sot/core/task-pd.hh> | 
    
    | 19 |  |  |  | 
    
    | 20 |  |  | using namespace std; | 
    
    | 21 |  |  | using namespace dynamicgraph::sot; | 
    
    | 22 |  |  | using namespace dynamicgraph; | 
    
    | 23 |  |  |  | 
    
    | 24 |  |  | #include <sot/core/factory.hh> | 
    
    | 25 |  |  |  | 
    
    | 26 |  |  | DYNAMICGRAPH_FACTORY_ENTITY_PLUGIN(TaskPD, "TaskPD"); | 
    
    | 27 |  |  |  | 
    
    | 28 |  |  | /* --------------------------------------------------------------------- */ | 
    
    | 29 |  |  | /* --- CLASS ----------------------------------------------------------- */ | 
    
    | 30 |  |  | /* --------------------------------------------------------------------- */ | 
    
    | 31 |  |  |  | 
    
    | 32 |  |  | TaskPD::TaskPD(const std::string &n) | 
    
    | 33 |  |  |     : Task(n), | 
    
    | 34 |  |  |       previousError(), | 
    
    | 35 |  |  |       beta(1), | 
    
    | 36 |  |  |       errorDotSOUT(boost::bind(&TaskPD::computeErrorDot, this, _1, _2), | 
    
    | 37 |  |  |                    errorSOUT, | 
    
    | 38 |  |  |                    "sotTaskPD(" + n + ")::output(vector)::errorDotOUT"), | 
    
    | 39 |  |  |       errorDotSIN(NULL, "sotTaskPD(" + n + ")::input(vector)::errorDot") { | 
    
    | 40 |  |  |   taskSOUT.setFunction(boost::bind(&TaskPD::computeTaskModif, this, _1, _2)); | 
    
    | 41 |  |  |   taskSOUT.addDependency(errorDotSOUT); | 
    
    | 42 |  |  |  | 
    
    | 43 |  |  |   signalRegistration(errorDotSOUT << errorDotSIN); | 
    
    | 44 |  |  |   initCommand(); | 
    
    | 45 |  |  |   errorDotSIN.plug(&errorDotSOUT); | 
    
    | 46 |  |  | } | 
    
    | 47 |  |  |  | 
    
    | 48 |  |  | /* --- COMPUTATION ---------------------------------------------------------- */ | 
    
    | 49 |  |  | /* --- COMPUTATION ---------------------------------------------------------- */ | 
    
    | 50 |  |  | /* --- COMPUTATION ---------------------------------------------------------- */ | 
    
    | 51 |  |  |  | 
    
    | 52 |  |  | dynamicgraph::Vector &TaskPD::computeErrorDot(dynamicgraph::Vector &errorDot, | 
    
    | 53 |  |  |                                               int time) { | 
    
    | 54 |  |  |   sotDEBUG(15) << "# In {" << endl; | 
    
    | 55 |  |  |  | 
    
    | 56 |  |  |   const dynamicgraph::Vector &errCur = errorSOUT(time); | 
    
    | 57 |  |  |   if (previousError.size() == errCur.size()) { | 
    
    | 58 |  |  |     errorDot = errCur; | 
    
    | 59 |  |  |     errorDot -= previousError; | 
    
    | 60 |  |  |     previousError = errCur; | 
    
    | 61 |  |  |   } else { | 
    
    | 62 |  |  |     errorDot.resize(errCur.size()); | 
    
    | 63 |  |  |     errorDot.setZero(); | 
    
    | 64 |  |  |     previousError = errCur; | 
    
    | 65 |  |  |   } | 
    
    | 66 |  |  |   sotDEBUG(15) << "# Out }" << endl; | 
    
    | 67 |  |  |   return errorDot; | 
    
    | 68 |  |  | } | 
    
    | 69 |  |  |  | 
    
    | 70 |  |  | VectorMultiBound &TaskPD::computeTaskModif(VectorMultiBound &task, int time) { | 
    
    | 71 |  |  |   sotDEBUG(15) << "# In {" << endl; | 
    
    | 72 |  |  |  | 
    
    | 73 |  |  |   const dynamicgraph::Vector &errorDot = errorDotSIN(time); | 
    
    | 74 |  |  |   Task::computeTaskExponentialDecrease(task, time); | 
    
    | 75 |  |  |  | 
    
    | 76 |  |  |   sotDEBUG(25) << " Task = " << task; | 
    
    | 77 |  |  |   sotDEBUG(25) << " edot = " << errorDot; | 
    
    | 78 |  |  |  | 
    
    | 79 |  |  |   for (unsigned int i = 0; i < task.size(); ++i) { | 
    
    | 80 |  |  |     task[i] = task[i].getSingleBound() - (beta * errorDot(i)); | 
    
    | 81 |  |  |   } | 
    
    | 82 |  |  |  | 
    
    | 83 |  |  |   sotDEBUG(15) << "# Out }" << endl; | 
    
    | 84 |  |  |   return task; | 
    
    | 85 |  |  | } | 
    
    | 86 |  |  |  | 
    
    | 87 |  |  | /* --- PARAMS --------------------------------------------------------------- */ | 
    
    | 88 |  |  | /* --- PARAMS --------------------------------------------------------------- */ | 
    
    | 89 |  |  | /* --- PARAMS --------------------------------------------------------------- */ | 
    
    | 90 |  |  | #include <sot/core/pool.hh> | 
    
    | 91 |  |  |  | 
    
    | 92 |  |  | void TaskPD::initCommand(void) { | 
    
    | 93 |  |  |   using namespace command; | 
    
    | 94 |  |  |   addCommand("setBeta", | 
    
    | 95 |  |  |              makeDirectSetter(*this, &beta, docDirectSetter("beta", "double"))); | 
    
    | 96 |  |  | } |