KDL
1.4.0
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This abstract class encapsulates the inverse velocity solver for a KDL::Chain. More...
#include <src/chainiksolver.hpp>
Public Types | |
enum | { E_DEGRADED = +1, E_NOERROR = 0, E_NO_CONVERGE = -1, E_UNDEFINED = -2, E_NOT_UP_TO_DATE = -3, E_SIZE_MISMATCH = -4, E_MAX_ITERATIONS_EXCEEDED = -5, E_OUT_OF_RANGE = -6, E_NOT_IMPLEMENTED = -7, E_SVD_FAILED = -8 } |
Public Member Functions | |
virtual int | CartToJnt (const JntArray &q_in, const Twist &v_in, JntArray &qdot_out)=0 |
Calculate inverse velocity kinematics, from joint positions and cartesian velocity to joint velocities. More... | |
virtual int | CartToJnt (const JntArray &q_init, const FrameVel &v_in, JntArrayVel &q_out)=0 |
Calculate inverse position and velocity kinematics, from cartesian position and velocity to joint positions and velocities. More... | |
virtual | ~ChainIkSolverVel () |
virtual void | updateInternalDataStructures ()=0 |
Update the internal data structures. More... | |
virtual int | getError () const |
Return the latest error. More... | |
virtual const char * | strError (const int error) const |
Return a description of the latest error. More... | |
Protected Attributes | |
int | error |
Latest error, initialized to E_NOERROR in constructor. More... | |
This abstract class encapsulates the inverse velocity solver for a KDL::Chain.
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inherited |
Enumerator | |
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E_DEGRADED | Converged but degraded solution (e.g. WDLS with psuedo-inverse singular) |
E_NOERROR | No error. |
E_NO_CONVERGE | Failed to converge. |
E_UNDEFINED | Undefined value (e.g. computed a NAN, or tan(90 degrees) ) |
E_NOT_UP_TO_DATE | Chain size changed. |
E_SIZE_MISMATCH | Input size does not match internal state. |
E_MAX_ITERATIONS_EXCEEDED | Maximum number of iterations exceeded. |
E_OUT_OF_RANGE | Requested index out of range. |
E_NOT_IMPLEMENTED | Not yet implemented. |
E_SVD_FAILED | Internal svd calculation failed. |
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inlinevirtual |
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pure virtual |
Calculate inverse velocity kinematics, from joint positions and cartesian velocity to joint velocities.
q_in | input joint positions |
v_in | input cartesian velocity |
qdot_out | output joint velocities |
Implemented in KDL::ChainIkSolverVel_wdls, KDL::ChainIkSolverVel_pinv, KDL::ChainIkSolverVel_pinv_nso, and KDL::ChainIkSolverVel_pinv_givens.
Referenced by KDL::ChainIkSolverPos_NR::CartToJnt(), and KDL::ChainIkSolverPos_NR_JL::CartToJnt().
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pure virtual |
Calculate inverse position and velocity kinematics, from cartesian position and velocity to joint positions and velocities.
q_init | initial joint positions |
v_in | input cartesian position and velocity |
q_out | output joint position and velocity |
Implemented in KDL::ChainIkSolverVel_wdls, KDL::ChainIkSolverVel_pinv, KDL::ChainIkSolverVel_pinv_nso, and KDL::ChainIkSolverVel_pinv_givens.
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inlinevirtualinherited |
Return the latest error.
References KDL::SolverI::error.
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inlinevirtualinherited |
Return a description of the latest error.
Reimplemented in KDL::ChainIkSolverVel_wdls, KDL::ChainIkSolverPos_LMA, KDL::ChainJntToJacDotSolver, KDL::ChainIkSolverPos_NR_JL, KDL::ChainIkSolverVel_pinv, and KDL::ChainIkSolverPos_NR.
References KDL::SolverI::E_DEGRADED, KDL::SolverI::E_MAX_ITERATIONS_EXCEEDED, KDL::SolverI::E_NO_CONVERGE, KDL::SolverI::E_NOERROR, KDL::SolverI::E_NOT_IMPLEMENTED, KDL::SolverI::E_NOT_UP_TO_DATE, KDL::SolverI::E_OUT_OF_RANGE, KDL::SolverI::E_SIZE_MISMATCH, KDL::SolverI::E_SVD_FAILED, KDL::SolverI::E_UNDEFINED, and KDL::SolverI::updateInternalDataStructures().
Referenced by KDL::ChainIkSolverPos_NR::strError(), KDL::ChainIkSolverVel_pinv::strError(), KDL::ChainIkSolverPos_NR_JL::strError(), KDL::ChainJntToJacDotSolver::strError(), KDL::ChainIkSolverPos_LMA::strError(), and KDL::ChainIkSolverVel_wdls::strError().
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pure virtual |
Update the internal data structures.
This is required if the number of segments or number of joints of a chain/tree have changed. This provides a single point of contact for solver memory allocations.
Implements KDL::SolverI.
Implemented in KDL::ChainIkSolverVel_wdls, KDL::ChainIkSolverVel_pinv_nso, KDL::ChainIkSolverVel_pinv, and KDL::ChainIkSolverVel_pinv_givens.
Referenced by KDL::ChainIkSolverPos_NR::updateInternalDataStructures(), and KDL::ChainIkSolverPos_NR_JL::updateInternalDataStructures().
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protectedinherited |
Latest error, initialized to E_NOERROR in constructor.
Referenced by KDL::ChainIkSolverVel_pinv_givens::CartToJnt(), KDL::ChainIdSolver_RNE::CartToJnt(), KDL::ChainIkSolverVel_pinv_nso::CartToJnt(), KDL::ChainIdSolver_Vereshchagin::CartToJnt(), KDL::ChainIkSolverPos_NR::CartToJnt(), KDL::ChainIkSolverVel_pinv::CartToJnt(), KDL::ChainIkSolverPos_NR_JL::CartToJnt(), KDL::ChainIkSolverVel_wdls::CartToJnt(), KDL::ChainIkSolverPos_LMA::CartToJnt(), KDL::SolverI::getError(), KDL::ChainIkSolverVel_wdls::getSigma(), KDL::ChainIkSolverVel_pinv::getSVDResult(), KDL::ChainIkSolverVel_wdls::getSVDResult(), KDL::ChainFkSolverPos_recursive::JntToCart(), KDL::ChainFkSolverVel_recursive::JntToCart(), KDL::ChainJntToJacSolver::JntToJac(), KDL::ChainJntToJacDotSolver::JntToJacDot(), KDL::ChainDynParam::JntToMass(), KDL::ChainJntToJacDotSolver::setInternialRepresentation(), KDL::ChainIkSolverPos_NR_JL::setJointLimits(), KDL::ChainJntToJacSolver::setLockedJoints(), KDL::ChainJntToJacDotSolver::setLockedJoints(), KDL::ChainIkSolverVel_pinv_nso::setOptPos(), KDL::ChainIkSolverVel_wdls::setWeightJS(), KDL::ChainIkSolverVel_pinv_nso::setWeights(), and KDL::ChainIkSolverVel_wdls::setWeightTS().