Beispiel #1
0
void testMassMatrixConsistency(iDynTree::HighLevel::DynamicsComputations & dynComp,
                               iCub::iDynTree::DynTree & dynTree,
                               iDynTree::KinDynComputations & kinDynComp)
{
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();
    yarp::sig::Matrix        dynTreeMassMatrixYarp(6+dofs,6+dofs);
    MatrixDynSize dynTreeMassMatrix(6+dofs,6+dofs);

    MatrixDynSize dynCompMassMatrix(6+dofs,6+dofs);
    FreeFloatingMassMatrix kinDynMassMatrix(kinDynComp.getRobotModel());

    // iCub::iDynTree::DynTree
    bool ok = dynTree.getFloatingBaseMassMatrix(dynTreeMassMatrixYarp);
    ASSERT_IS_TRUE(ok);

    ok = toiDynTree(dynTreeMassMatrixYarp,dynTreeMassMatrix);
    ASSERT_IS_TRUE(ok);


    // iDynTree::HighLevel::DynamicsComputations
    ok = dynComp.getFreeFloatingMassMatrix(dynCompMassMatrix);
    ASSERT_IS_TRUE(ok);

    // iDynTree::KinDynComputations
    ok = kinDynComp.getFreeFloatingMassMatrix(kinDynMassMatrix);
    ASSERT_IS_TRUE(ok);

    // Check all matrices are equal
    ASSERT_EQUAL_MATRIX(dynTreeMassMatrix,dynCompMassMatrix);
    ASSERT_EQUAL_MATRIX(dynCompMassMatrix,kinDynMassMatrix);
}
Beispiel #2
0
void testInverseDynamicsConsistency(iDynTree::HighLevel::DynamicsComputations & dynComp,
                                    iDynTree::KinDynComputations & kinDynComp,
                                    const iDynTree::Vector6& baseAccKinDyn,
                                    const iDynTree::JointDOFsDoubleArray& jointAccKinDyn)
{
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();

    Wrench baseWrenchDynComp;
    VectorDynSize jntTorquesDynComp(dofs);
    FreeFloatingGeneralizedTorques generalizedTorquesKinDyn(kinDynComp.model());
    bool ok = dynComp.inverseDynamics(jntTorquesDynComp,baseWrenchDynComp);

    LinkNetExternalWrenches linkExtWrenches(kinDynComp.model());

    for(int l=0; l < kinDynComp.model().getNrOfLinks(); l++)
    {
        linkExtWrenches(l).zero();
    }

    ASSERT_IS_TRUE(ok);

    ok = kinDynComp.inverseDynamics(baseAccKinDyn,jointAccKinDyn,linkExtWrenches,generalizedTorquesKinDyn);

    ASSERT_EQUAL_SPATIAL_FORCE(baseWrenchDynComp,generalizedTorquesKinDyn.baseWrench());
    ASSERT_EQUAL_VECTOR(jntTorquesDynComp,generalizedTorquesKinDyn.jointTorques());
}
Beispiel #3
0
void testRegressorConsistency(iDynTree::HighLevel::DynamicsComputations & dynComp,
                              iCub::iDynTree::DynTree & dynTree)
{
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();
    size_t nrOfLinks = dynComp.getNrOfLinks();

    // check regressor matrix
    MatrixDynSize dynTreeRegressor(6+dofs,10*nrOfLinks),dynCompRegressor(6+dofs,10*nrOfLinks);
    yarp::sig::Matrix        dynTreeRegressorYarp(6+dofs,10*nrOfLinks);
    dynTree.kinematicRNEA();
    dynTree.getDynamicsRegressor(dynTreeRegressorYarp);
    yarp2idyntree(dynTreeRegressorYarp,dynTreeRegressor);

    dynComp.getDynamicsRegressor(dynCompRegressor);

    ASSERT_EQUAL_MATRIX(dynTreeRegressor,dynCompRegressor);

    // check parameter vector
    VectorDynSize dynTreeParams(10*nrOfLinks),dynCompParams(10*nrOfLinks);
    yarp::sig::Vector        dynTreeParamsYarp(10*nrOfLinks);
    dynTree.getDynamicsParameters(dynTreeParamsYarp);
    yarp2idyntree(dynTreeParamsYarp,dynTreeParams);
    dynComp.getModelDynamicsParameters(dynCompParams);

    ASSERT_EQUAL_VECTOR(dynTreeParams,dynCompParams);
}
Beispiel #4
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void testJacobianConsistency(iDynTree::HighLevel::DynamicsComputations & dynComp,
                             iCub::iDynTree::DynTree & dynTree,
                             iDynTree::KinDynComputations & kinDynComp)
{
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();
    MatrixDynSize dynTreeJacobian(6,6+dofs),dynCompJacobian(6,6+dofs);
    yarp::sig::Matrix        dynTreeJacobianYarp(6,6+dofs);
    FrameFreeFloatingJacobian kinDynCompJacobian(kinDynComp.getRobotModel());

    for(size_t frame=0; frame < dynComp.getNrOfFrames(); frame++ )
    {
        dynTree.getJacobian(frame,dynTreeJacobianYarp);
        yarp2idyntree(dynTreeJacobianYarp,dynTreeJacobian);

        dynComp.getFrameJacobian(frame,dynCompJacobian);
        
        std::string frameName = dynComp.getFrameName(frame);

        ASSERT_EQUAL_MATRIX(dynTreeJacobian,dynCompJacobian);
        
        std::cerr << "Testing frame " << frameName << std::endl;
        
        bool ok = kinDynComp.getFrameFreeFloatingJacobian(frameName,kinDynCompJacobian);
        
        std::cerr << "DynamicsComputations: " << std::endl;
        std::cerr << dynCompJacobian.toString() << std::endl;
        std::cerr << "KinamicsDynamicsComputations : " << std::endl;
        std::cerr << kinDynCompJacobian.toString() << std::endl;
        
        ASSERT_IS_TRUE(ok);
        ASSERT_EQUAL_MATRIX(kinDynCompJacobian,dynCompJacobian);
    }
}
void testJacobianConsistency(iDynTree::HighLevel::DynamicsComputations & dynComp,
                             iCub::iDynTree::DynTree & dynTree)
{
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();
    MatrixDynSize dynTreeJacobian(6,6+dofs),dynCompJacobian(6,6+dofs);
    yarp::sig::Matrix        dynTreeJacobianYarp(6,6+dofs);

    for(size_t frame=0; frame < dynComp.getNrOfFrames(); frame++ )
    {
        dynTree.getJacobian(frame,dynTreeJacobianYarp);
        yarp2idyntree(dynTreeJacobianYarp,dynTreeJacobian);

        dynComp.getFrameJacobian(frame,dynCompJacobian);

        ASSERT_EQUAL_MATRIX(dynTreeJacobian,dynCompJacobian);
    }
}
void setRandomState(iDynTree::HighLevel::DynamicsComputations & dynComp,
                    iCub::iDynTree::DynTree & dynTree)
{
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();
    Transform    worldTbase;
    Twist        baseVel;
    ClassicalAcc baseAcc;
    SpatialAcc gravity;
    Vector6    properAcc;

    iDynTree::VectorDynSize qj(dofs), dqj(dofs), ddqj(dofs);

    worldTbase = iDynTree::Transform(Rotation::RPY(actual_random_double(),random_double(),random_double()),
                                     Position(random_double(),random_double(),random_double()));
    for(int i=0; i < 3; i++)
    {
        gravity(i) = random_double();
    }

    gravity(2) = 10.0;

    for(int i=0; i < 6; i++)
    {
        baseVel(i) = random_double();
        baseAcc(i) = random_double();
        properAcc(i) = baseAcc(i) - gravity(i);
    }

    for(size_t dof=0; dof < dofs; dof++)

    {
        qj(dof) = random_double();
        dqj(dof) = random_double();
        ddqj(dof) = random_double();
    }

    bool ok = dynComp.setRobotState(qj,dqj,ddqj,worldTbase,baseVel,baseAcc,gravity);

    dynTree.setAng(idyntree2yarp(qj));
    dynTree.setDAng(idyntree2yarp(dqj));
    dynTree.setD2Ang(idyntree2yarp(ddqj));
    dynTree.setWorldBasePose(idyntreeMat2yarp(worldTbase.asHomogeneousTransform()));
    dynTree.setKinematicBaseVelAcc(idyntree2yarp(baseVel),idyntree2yarp(properAcc));

    ASSERT_EQUAL_DOUBLE(ok,true);
}
Beispiel #7
0
void testCOMConsistency(iDynTree::HighLevel::DynamicsComputations & dynComp,
                        iCub::iDynTree::DynTree & dynTree,
                        iDynTree::KinDynComputations & kinDynComp)
{
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();

    // check COM position
    iDynTree::Position COMnew, COMold, COMKinDyn;

    yarp::sig::Vector COMYarp;
    COMYarp = dynTree.getCOM();

    toiDynTree(COMYarp,COMold);

    COMnew = dynComp.getCenterOfMass();

    COMKinDyn = kinDynComp.getCenterOfMassPosition();

    ASSERT_EQUAL_VECTOR(COMnew,COMold);
    ASSERT_EQUAL_VECTOR(COMnew,COMKinDyn);

    // check COM Jacobian
    iDynTree::MatrixDynSize jacNew(3,6+dofs), jacOld(3,6+dofs), jacKinDyn(3,6+dofs);
    yarp::sig::Matrix jacYARP(6,6+dofs);

    bool ok = dynTree.getCOMJacobian(jacYARP);

    ASSERT_IS_TRUE(ok);

    iDynTree::toEigen(jacOld) = iDynTree::toEigen(jacYARP).topRows<3>();

    ok = dynComp.getCenterOfMassJacobian(jacNew);

    ASSERT_IS_TRUE(ok);

    ASSERT_EQUAL_MATRIX(jacNew,jacOld);

    ok = kinDynComp.getCenterOfMassJacobian(jacKinDyn);

    ASSERT_IS_TRUE(ok);

    ASSERT_EQUAL_MATRIX(jacNew,jacKinDyn);
}
void testTransformsConsistency(iDynTree::HighLevel::DynamicsComputations & dynComp,
                               iCub::iDynTree::DynTree & dynTree)
{
    for(size_t frame=0; frame < dynComp.getNrOfFrames(); frame++ )
    {
        std::string frameNameDynComp;
        std::string frameNameDynTree;

        dynTree.getFrameName(frame,frameNameDynTree);
        frameNameDynComp = dynComp.getFrameName(frame);

        ASSERT_EQUAL_STRING(frameNameDynComp,frameNameDynTree);

        // todo assert equal string
        Transform dynTreeTransform = yarpTransform2idyntree(dynTree.getPosition(frame));
        Transform dynCompTransform = dynComp.getWorldTransform(frame);

        ASSERT_EQUAL_TRANSFORM(dynCompTransform,dynTreeTransform);
    }
}
Beispiel #9
0
void setRandomState(iDynTree::HighLevel::DynamicsComputations & dynComp,
                    iCub::iDynTree::DynTree & dynTree,
                    iDynTree::KinDynComputations& kinDynComp,
                    iDynTree::Vector6& baseAccKinDyn,
                    iDynTree::JointDOFsDoubleArray& jointAccKinDyn)
{
   std::cerr << " setRandomState" << std::endl;
    
    size_t dofs = dynComp.getNrOfDegreesOfFreedom();
    Transform    worldTbase;
    Twist        baseVel;
    ClassicalAcc baseAcc;
    SpatialAcc gravity;
    Vector6    properAcc;

    iDynTree::VectorDynSize qj(dofs), dqj(dofs), ddqj(dofs);

    worldTbase = iDynTree::Transform(Rotation::RPY(random_double(),random_double(),random_double()),
                                     Position(random_double(),random_double(),random_double()));
    for(int i=0; i < 3; i++)
    {
        gravity(i) = random_double();
    }

    gravity(2) = 10.0;

    for(int i=0; i < 6; i++)
    {
        baseVel(i) = random_double();
        baseAcc(i) = random_double();
        properAcc(i) = baseAcc(i) - gravity(i);
    }

    jointAccKinDyn.resize(dofs);
    for(size_t dof=0; dof < dofs; dof++)

    {
        qj(dof) = random_double();
        dqj(dof) = random_double();
        ddqj(dof) = random_double();
    }

    bool ok = dynComp.setRobotState(qj,dqj,ddqj,worldTbase,baseVel,baseAcc,gravity);
    
    ASSERT_IS_TRUE(ok);

    dynTree.setAng(idyntree2yarp(qj));
    dynTree.setDAng(idyntree2yarp(dqj));
    dynTree.setD2Ang(idyntree2yarp(ddqj));
    dynTree.setWorldBasePose(idyntreeMat2yarp(worldTbase.asHomogeneousTransform()));
    dynTree.setKinematicBaseVelAcc(idyntree2yarp(baseVel),idyntree2yarp(properAcc));

    std::cerr << " Setting state in kinDyn" << std::endl;
    ASSERT_EQUAL_DOUBLE(qj.size(),kinDynComp.getRobotModel().getNrOfPosCoords());
    ASSERT_EQUAL_DOUBLE(dqj.size(),kinDynComp.getRobotModel().getNrOfDOFs());

    Vector3 grav3d = gravity.getLinearVec3();
    ok = kinDynComp.setRobotState(worldTbase,qj,baseVel,dqj,grav3d);
    toEigen(jointAccKinDyn) = toEigen(ddqj);
    toEigen(baseAccKinDyn)  = toEigen(baseAcc);
    ASSERT_IS_TRUE(ok);
    
    std::cerr << "state setted" << std::endl;
}