| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | |||
| 2 | /////////////////////////////////////////////////////////////////////////////// | ||
| 3 | // BSD 3-Clause License | ||
| 4 | // | ||
| 5 | // Copyright (C) 2019-2025, LAAS-CNRS, University of Edinburgh, | ||
| 6 | // Heriot-Watt University | ||
| 7 | // Copyright note valid unless otherwise stated in individual files. | ||
| 8 | // All rights reserved. | ||
| 9 | /////////////////////////////////////////////////////////////////////////////// | ||
| 10 | |||
| 11 | namespace crocoddyl { | ||
| 12 | |||
| 13 | template <typename Scalar> | ||
| 14 | ✗ | ContactModel6DTpl<Scalar>::ContactModel6DTpl( | |
| 15 | std::shared_ptr<StateMultibody> state, const pinocchio::FrameIndex id, | ||
| 16 | const SE3& pref, const pinocchio::ReferenceFrame type, const std::size_t nu, | ||
| 17 | const Vector2s& gains) | ||
| 18 | ✗ | : Base(state, type, 6, nu), pref_(pref), gains_(gains) { | |
| 19 | ✗ | id_ = id; | |
| 20 | ✗ | } | |
| 21 | |||
| 22 | template <typename Scalar> | ||
| 23 | ✗ | ContactModel6DTpl<Scalar>::ContactModel6DTpl( | |
| 24 | std::shared_ptr<StateMultibody> state, const pinocchio::FrameIndex id, | ||
| 25 | const SE3& pref, const pinocchio::ReferenceFrame type, | ||
| 26 | const Vector2s& gains) | ||
| 27 | ✗ | : Base(state, type, 6), pref_(pref), gains_(gains) { | |
| 28 | ✗ | id_ = id; | |
| 29 | ✗ | } | |
| 30 | |||
| 31 | #pragma GCC diagnostic push // TODO: Remove once the deprecated FrameXX has | ||
| 32 | // been removed in a future release | ||
| 33 | #pragma GCC diagnostic ignored "-Wdeprecated-declarations" | ||
| 34 | |||
| 35 | template <typename Scalar> | ||
| 36 | ✗ | ContactModel6DTpl<Scalar>::ContactModel6DTpl( | |
| 37 | std::shared_ptr<StateMultibody> state, const pinocchio::FrameIndex id, | ||
| 38 | const SE3& pref, const std::size_t nu, const Vector2s& gains) | ||
| 39 | : Base(state, pinocchio::ReferenceFrame::LOCAL, 6, nu), | ||
| 40 | ✗ | pref_(pref), | |
| 41 | ✗ | gains_(gains) { | |
| 42 | ✗ | id_ = id; | |
| 43 | ✗ | std::cerr << "Deprecated: Use constructor that passes the type of contact, " | |
| 44 | "this assumes is pinocchio::LOCAL." | ||
| 45 | ✗ | << std::endl; | |
| 46 | ✗ | } | |
| 47 | |||
| 48 | template <typename Scalar> | ||
| 49 | ✗ | ContactModel6DTpl<Scalar>::ContactModel6DTpl( | |
| 50 | std::shared_ptr<StateMultibody> state, const pinocchio::FrameIndex id, | ||
| 51 | const SE3& pref, const Vector2s& gains) | ||
| 52 | : Base(state, pinocchio::ReferenceFrame::LOCAL, 6), | ||
| 53 | ✗ | pref_(pref), | |
| 54 | ✗ | gains_(gains) { | |
| 55 | ✗ | id_ = id; | |
| 56 | ✗ | std::cerr << "Deprecated: Use constructor that passes the type of contact, " | |
| 57 | "this assumes is pinocchio::LOCAL." | ||
| 58 | ✗ | << std::endl; | |
| 59 | ✗ | } | |
| 60 | |||
| 61 | #pragma GCC diagnostic pop | ||
| 62 | |||
| 63 | template <typename Scalar> | ||
| 64 | ✗ | void ContactModel6DTpl<Scalar>::calc( | |
| 65 | const std::shared_ptr<ContactDataAbstract>& data, | ||
| 66 | const Eigen::Ref<const VectorXs>&) { | ||
| 67 | ✗ | Data* d = static_cast<Data*>(data.get()); | |
| 68 | ✗ | pinocchio::updateFramePlacement<Scalar>(*state_->get_pinocchio().get(), | |
| 69 | ✗ | *d->pinocchio, id_); | |
| 70 | ✗ | pinocchio::getFrameJacobian(*state_->get_pinocchio().get(), *d->pinocchio, | |
| 71 | ✗ | id_, pinocchio::LOCAL, d->fJf); | |
| 72 | ✗ | d->a0_local = pinocchio::getFrameAcceleration(*state_->get_pinocchio().get(), | |
| 73 | ✗ | *d->pinocchio, id_); | |
| 74 | |||
| 75 | ✗ | if (gains_[0] != 0.) { | |
| 76 | ✗ | d->rMf = pref_.actInv(d->pinocchio->oMf[id_]); | |
| 77 | ✗ | d->a0_local += gains_[0] * pinocchio::log6(d->rMf); | |
| 78 | } | ||
| 79 | ✗ | if (gains_[1] != 0.) { | |
| 80 | ✗ | d->v = pinocchio::getFrameVelocity(*state_->get_pinocchio().get(), | |
| 81 | ✗ | *d->pinocchio, id_); | |
| 82 | ✗ | d->a0_local += gains_[1] * d->v; | |
| 83 | } | ||
| 84 | ✗ | switch (type_) { | |
| 85 | ✗ | case pinocchio::ReferenceFrame::LOCAL: | |
| 86 | ✗ | data->Jc = d->fJf; | |
| 87 | ✗ | data->a0 = d->a0_local.toVector(); | |
| 88 | ✗ | break; | |
| 89 | ✗ | case pinocchio::ReferenceFrame::WORLD: | |
| 90 | case pinocchio::ReferenceFrame::LOCAL_WORLD_ALIGNED: | ||
| 91 | ✗ | d->lwaMl.rotation(d->pinocchio->oMf[id_].rotation()); | |
| 92 | ✗ | data->Jc.noalias() = d->lwaMl.toActionMatrix() * d->fJf; | |
| 93 | ✗ | data->a0.noalias() = d->lwaMl.act(d->a0_local).toVector(); | |
| 94 | ✗ | break; | |
| 95 | } | ||
| 96 | ✗ | } | |
| 97 | |||
| 98 | template <typename Scalar> | ||
| 99 | ✗ | void ContactModel6DTpl<Scalar>::calcDiff( | |
| 100 | const std::shared_ptr<ContactDataAbstract>& data, | ||
| 101 | const Eigen::Ref<const VectorXs>&) { | ||
| 102 | ✗ | Data* d = static_cast<Data*>(data.get()); | |
| 103 | ✗ | const pinocchio::JointIndex joint = | |
| 104 | ✗ | state_->get_pinocchio()->frames[d->frame].parentJoint; | |
| 105 | ✗ | pinocchio::getJointAccelerationDerivatives( | |
| 106 | ✗ | *state_->get_pinocchio().get(), *d->pinocchio, joint, pinocchio::LOCAL, | |
| 107 | ✗ | d->v_partial_dq, d->a_partial_dq, d->a_partial_dv, d->a_partial_da); | |
| 108 | ✗ | const std::size_t nv = state_->get_nv(); | |
| 109 | ✗ | d->da0_local_dx.leftCols(nv).noalias() = d->fXj * d->a_partial_dq; | |
| 110 | ✗ | d->da0_local_dx.rightCols(nv).noalias() = d->fXj * d->a_partial_dv; | |
| 111 | |||
| 112 | ✗ | if (gains_[0] != 0.) { | |
| 113 | ✗ | pinocchio::Jlog6(d->rMf, d->rMf_Jlog6); | |
| 114 | ✗ | d->da0_local_dx.leftCols(nv).noalias() += gains_[0] * d->rMf_Jlog6 * d->fJf; | |
| 115 | } | ||
| 116 | ✗ | if (gains_[1] != 0.) { | |
| 117 | ✗ | d->da0_local_dx.leftCols(nv).noalias() += | |
| 118 | ✗ | gains_[1] * d->fXj * d->v_partial_dq; | |
| 119 | ✗ | d->da0_local_dx.rightCols(nv).noalias() += gains_[1] * d->fJf; | |
| 120 | } | ||
| 121 | ✗ | switch (type_) { | |
| 122 | ✗ | case pinocchio::ReferenceFrame::LOCAL: | |
| 123 | ✗ | d->da0_dx = d->da0_local_dx; | |
| 124 | ✗ | break; | |
| 125 | ✗ | case pinocchio::ReferenceFrame::WORLD: | |
| 126 | case pinocchio::ReferenceFrame::LOCAL_WORLD_ALIGNED: | ||
| 127 | // Recalculate the constrained accelerations after imposing contact | ||
| 128 | // constraints. This is necessary for the forward-dynamics case. | ||
| 129 | ✗ | d->a0_local = pinocchio::getFrameAcceleration( | |
| 130 | ✗ | *state_->get_pinocchio().get(), *d->pinocchio, id_); | |
| 131 | ✗ | if (gains_[0] != 0.) { | |
| 132 | ✗ | d->a0_local += gains_[0] * pinocchio::log6(d->rMf); | |
| 133 | } | ||
| 134 | ✗ | if (gains_[1] != 0.) { | |
| 135 | ✗ | d->a0_local += gains_[1] * d->v; | |
| 136 | } | ||
| 137 | ✗ | data->a0.noalias() = d->lwaMl.act(d->a0_local).toVector(); | |
| 138 | |||
| 139 | ✗ | const Eigen::Ref<const Matrix3s> oRf = d->pinocchio->oMf[id_].rotation(); | |
| 140 | ✗ | pinocchio::skew(d->a0.template head<3>(), d->av_skew); | |
| 141 | ✗ | pinocchio::skew(d->a0.template tail<3>(), d->aw_skew); | |
| 142 | ✗ | d->av_world_skew.noalias() = d->av_skew * oRf; | |
| 143 | ✗ | d->aw_world_skew.noalias() = d->aw_skew * oRf; | |
| 144 | ✗ | d->da0_dx.noalias() = d->lwaMl.toActionMatrix() * d->da0_local_dx; | |
| 145 | ✗ | d->da0_dx.leftCols(nv).template topRows<3>().noalias() -= | |
| 146 | ✗ | d->av_world_skew * d->fJf.template bottomRows<3>(); | |
| 147 | ✗ | d->da0_dx.leftCols(nv).template bottomRows<3>().noalias() -= | |
| 148 | ✗ | d->aw_world_skew * d->fJf.template bottomRows<3>(); | |
| 149 | ✗ | break; | |
| 150 | } | ||
| 151 | ✗ | } | |
| 152 | |||
| 153 | template <typename Scalar> | ||
| 154 | ✗ | void ContactModel6DTpl<Scalar>::updateForce( | |
| 155 | const std::shared_ptr<ContactDataAbstract>& data, const VectorXs& force) { | ||
| 156 | ✗ | if (force.size() != 6) { | |
| 157 | ✗ | throw_pretty( | |
| 158 | "Invalid argument: " << "lambda has wrong dimension (it should be 6)"); | ||
| 159 | } | ||
| 160 | ✗ | Data* d = static_cast<Data*>(data.get()); | |
| 161 | ✗ | data->f = pinocchio::ForceTpl<Scalar>(force); | |
| 162 | ✗ | switch (type_) { | |
| 163 | ✗ | case pinocchio::ReferenceFrame::LOCAL: | |
| 164 | ✗ | data->fext = data->jMf.act(data->f); | |
| 165 | ✗ | data->dtau_dq.setZero(); | |
| 166 | ✗ | break; | |
| 167 | ✗ | case pinocchio::ReferenceFrame::WORLD: | |
| 168 | case pinocchio::ReferenceFrame::LOCAL_WORLD_ALIGNED: | ||
| 169 | ✗ | d->f_local = d->lwaMl.actInv(data->f); | |
| 170 | ✗ | data->fext = data->jMf.act(d->f_local); | |
| 171 | ✗ | pinocchio::skew(d->f_local.linear(), d->fv_skew); | |
| 172 | ✗ | pinocchio::skew(d->f_local.angular(), d->fw_skew); | |
| 173 | ✗ | d->fJf_df.template topRows<3>().noalias() = | |
| 174 | ✗ | d->fv_skew * d->fJf.template bottomRows<3>(); | |
| 175 | ✗ | d->fJf_df.template bottomRows<3>().noalias() = | |
| 176 | ✗ | d->fw_skew * d->fJf.template bottomRows<3>(); | |
| 177 | ✗ | d->dtau_dq.noalias() = -d->fJf.transpose() * d->fJf_df; | |
| 178 | ✗ | break; | |
| 179 | } | ||
| 180 | ✗ | } | |
| 181 | |||
| 182 | template <typename Scalar> | ||
| 183 | std::shared_ptr<ContactDataAbstractTpl<Scalar> > | ||
| 184 | ✗ | ContactModel6DTpl<Scalar>::createData(pinocchio::DataTpl<Scalar>* const data) { | |
| 185 | ✗ | return std::allocate_shared<Data>(Eigen::aligned_allocator<Data>(), this, | |
| 186 | ✗ | data); | |
| 187 | } | ||
| 188 | |||
| 189 | template <typename Scalar> | ||
| 190 | template <typename NewScalar> | ||
| 191 | ✗ | ContactModel6DTpl<NewScalar> ContactModel6DTpl<Scalar>::cast() const { | |
| 192 | typedef ContactModel6DTpl<NewScalar> ReturnType; | ||
| 193 | typedef StateMultibodyTpl<NewScalar> StateType; | ||
| 194 | ✗ | ReturnType ret( | |
| 195 | ✗ | std::make_shared<StateType>(state_->template cast<NewScalar>()), id_, | |
| 196 | ✗ | pref_.template cast<NewScalar>(), type_, nu_, | |
| 197 | ✗ | gains_.template cast<NewScalar>()); | |
| 198 | ✗ | return ret; | |
| 199 | } | ||
| 200 | |||
| 201 | template <typename Scalar> | ||
| 202 | ✗ | void ContactModel6DTpl<Scalar>::print(std::ostream& os) const { | |
| 203 | ✗ | os << "ContactModel6D {frame=" << state_->get_pinocchio()->frames[id_].name | |
| 204 | ✗ | << ", type=" << type_ << "}"; | |
| 205 | ✗ | } | |
| 206 | |||
| 207 | template <typename Scalar> | ||
| 208 | ✗ | const pinocchio::SE3Tpl<Scalar>& ContactModel6DTpl<Scalar>::get_reference() | |
| 209 | const { | ||
| 210 | ✗ | return pref_; | |
| 211 | } | ||
| 212 | |||
| 213 | template <typename Scalar> | ||
| 214 | const typename MathBaseTpl<Scalar>::Vector2s& | ||
| 215 | ✗ | ContactModel6DTpl<Scalar>::get_gains() const { | |
| 216 | ✗ | return gains_; | |
| 217 | } | ||
| 218 | |||
| 219 | template <typename Scalar> | ||
| 220 | ✗ | void ContactModel6DTpl<Scalar>::set_reference(const SE3& reference) { | |
| 221 | ✗ | pref_ = reference; | |
| 222 | ✗ | } | |
| 223 | |||
| 224 | } // namespace crocoddyl | ||
| 225 |