Esempio n. 1
0
    static void algo(const se3::JointModelBase<JointModel> & jmodel,
		    se3::JointDataBase<typename JointModel::JointData> & jdata,
		    const se3::Model& model,
		    se3::Data& data,
		    const int &i,
		    const Eigen::VectorXd & q,
		    const Eigen::VectorXd & v,
		    const Eigen::VectorXd & a)
    {
      using namespace Eigen;
      using namespace se3;
      
      jmodel.calc(jdata.derived(),q,v);
      
      const Model::Index & parent = model.parents[(Model::Index)i];
      data.liMi[(Model::Index)i] = model.jointPlacements[(Model::Index)i]*jdata.M();
      
      data.v[(Model::Index)i] = jdata.v();
      if(parent>0) data.v[(Model::Index)i] += data.liMi[(Model::Index)i].actInv(data.v[parent]);
      
      data.a_gf[(Model::Index)i] = jdata.S()*jmodel.jointVelocitySelector(a) + jdata.c() + (data.v[(Model::Index)i] ^ jdata.v()) ;
      data.a_gf[(Model::Index)i] += data.liMi[(Model::Index)i].actInv(data.a_gf[parent]);
      
      data.f[(Model::Index)i] = model.inertias[(Model::Index)i]*data.a_gf[(Model::Index)i] + model.inertias[(Model::Index)i].vxiv(data.v[(Model::Index)i]); // -f_ext
    }
    static void algo(const se3::JointModelBase<JointModel> & jmodel,
                     se3::JointDataBase<typename JointModel::JointData> &,
                     const se3::Model &,
                     se3::Data & data,
                     const Eigen::VectorXd &) // TODO: make joint limits depend explicitely on the current state (q,v)
    {
      using namespace Eigen;
      using namespace se3;
      
      // TODO: as limits are static, no need of q, nor computations
      jmodel.jointVelocitySelector(data.effortLimit) = jmodel.maxEffortLimit();
      jmodel.jointVelocitySelector(data.velocityLimit) = jmodel.maxVelocityLimit();

      jmodel.jointConfigSelector(data.lowerPositionLimit) = jmodel.lowerPosLimit(); // if computation needed, do it here, or may be in lowerPosLimit
      jmodel.jointConfigSelector(data.upperPositionLimit) = jmodel.upperPosLimit();
    }
Esempio n. 3
0
 static void algo(const se3::JointModelBase<JointModel> & jmodel,
                  se3::JointDataBase<typename JointModel::JointData> & jdata,
                  const se3::Model & model,
                  se3::Data & data,
                  const Model::Index i,
                  const Eigen::VectorXd & q,
                  const Eigen::VectorXd & v,
                  const Eigen::VectorXd & a)
 {
   jmodel.calc(jdata.derived(),q,v);
   
   const Model::Index & parent = model.parents[i];
   data.v[i] = jdata.v();
   data.liMi[i] = model.jointPlacements[i] * jdata.M();
   
   if(parent>0)
   {
     data.oMi[i] = data.oMi[parent] * data.liMi[i];
     data.v[i] += data.liMi[i].actInv(data.v[parent]);
   }
   else
     data.oMi[i] = data.liMi[i];
   
   data.a[i]  = jdata.S() * jmodel.jointVelocitySelector(a) + jdata.c() + (data.v[i] ^ jdata.v()) ;
   data.a[i] += data.liMi[i].actInv(data.a[parent]);
 }
 static void algo(const se3::JointModelBase<JointModel> & jmodel,
                  const Eigen::VectorXd & q0,
                  const Eigen::VectorXd & q1,
                  Eigen::VectorXd & result) 
 {
   jmodel.jointVelocitySelector(result) = jmodel.difference(q0, q1);
 }