| Directory: | ./ |
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| File: | include/crocoddyl/multibody/impulses/impulse-3d.hpp |
| Date: | 2025-03-26 19:23:43 |
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| Lines: | 23 | 24 | 95.8% |
| Branches: | 36 | 72 | 50.0% |
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| 1 | /////////////////////////////////////////////////////////////////////////////// | ||
| 2 | // BSD 3-Clause License | ||
| 3 | // | ||
| 4 | // Copyright (C) 2019-2025, LAAS-CNRS, University of Edinburgh, | ||
| 5 | // Heriot-Watt University | ||
| 6 | // Copyright note valid unless otherwise stated in individual files. | ||
| 7 | // All rights reserved. | ||
| 8 | /////////////////////////////////////////////////////////////////////////////// | ||
| 9 | |||
| 10 | #ifndef CROCODDYL_MULTIBODY_IMPULSES_IMPULSE_3D_HPP_ | ||
| 11 | #define CROCODDYL_MULTIBODY_IMPULSES_IMPULSE_3D_HPP_ | ||
| 12 | |||
| 13 | #include <pinocchio/multibody/data.hpp> | ||
| 14 | #include <pinocchio/spatial/motion.hpp> | ||
| 15 | |||
| 16 | #include "crocoddyl/multibody/fwd.hpp" | ||
| 17 | #include "crocoddyl/multibody/impulse-base.hpp" | ||
| 18 | |||
| 19 | namespace crocoddyl { | ||
| 20 | |||
| 21 | template <typename _Scalar> | ||
| 22 | class ImpulseModel3DTpl : public ImpulseModelAbstractTpl<_Scalar> { | ||
| 23 | public: | ||
| 24 | EIGEN_MAKE_ALIGNED_OPERATOR_NEW | ||
| 25 | ✗ | CROCODDYL_DERIVED_CAST(ImpulseModelBase, ImpulseModel3DTpl) | |
| 26 | |||
| 27 | typedef _Scalar Scalar; | ||
| 28 | typedef MathBaseTpl<Scalar> MathBase; | ||
| 29 | typedef ImpulseModelAbstractTpl<Scalar> Base; | ||
| 30 | typedef ImpulseData3DTpl<Scalar> Data; | ||
| 31 | typedef StateMultibodyTpl<Scalar> StateMultibody; | ||
| 32 | typedef ImpulseDataAbstractTpl<Scalar> ImpulseDataAbstract; | ||
| 33 | typedef typename MathBase::Vector2s Vector2s; | ||
| 34 | typedef typename MathBase::Vector3s Vector3s; | ||
| 35 | typedef typename MathBase::VectorXs VectorXs; | ||
| 36 | typedef typename MathBase::MatrixXs Matrix3s; | ||
| 37 | typedef typename MathBase::MatrixXs MatrixXs; | ||
| 38 | |||
| 39 | /** | ||
| 40 | * @brief Initialize the 3d impulse model | ||
| 41 | * | ||
| 42 | * @param[in] state State of the multibody system | ||
| 43 | * @param[in] id Reference frame id of the impulse | ||
| 44 | * @param[in] type Type of impulse (default LOCAL) | ||
| 45 | */ | ||
| 46 | ImpulseModel3DTpl( | ||
| 47 | std::shared_ptr<StateMultibody> state, const pinocchio::FrameIndex id, | ||
| 48 | const pinocchio::ReferenceFrame type = pinocchio::ReferenceFrame::LOCAL); | ||
| 49 | 422 | virtual ~ImpulseModel3DTpl() = default; | |
| 50 | |||
| 51 | /** | ||
| 52 | * @brief Compute the 6d impulse Jacobian | ||
| 53 | * | ||
| 54 | * @param[in] data 6d impulse data | ||
| 55 | * @param[in] x State point \f$\mathbf{x}\in\mathbb{R}^{ndx}\f$ | ||
| 56 | */ | ||
| 57 | virtual void calc(const std::shared_ptr<ImpulseDataAbstract>& data, | ||
| 58 | const Eigen::Ref<const VectorXs>& x) override; | ||
| 59 | |||
| 60 | /** | ||
| 61 | * @brief Compute the derivatives of the 6d impulse holonomic constraint | ||
| 62 | * | ||
| 63 | * @param[in] data 6d impulse data | ||
| 64 | * @param[in] x State point \f$\mathbf{x}\in\mathbb{R}^{ndx}\f$ | ||
| 65 | */ | ||
| 66 | virtual void calcDiff(const std::shared_ptr<ImpulseDataAbstract>& data, | ||
| 67 | const Eigen::Ref<const VectorXs>& x) override; | ||
| 68 | |||
| 69 | /** | ||
| 70 | * @brief Convert the force into a stack of spatial forces | ||
| 71 | * | ||
| 72 | * @param[in] data 6d impulse data | ||
| 73 | * @param[in] force 6d impulse | ||
| 74 | */ | ||
| 75 | virtual void updateForce(const std::shared_ptr<ImpulseDataAbstract>& data, | ||
| 76 | const VectorXs& force) override; | ||
| 77 | |||
| 78 | /** | ||
| 79 | * @brief Create the 6d impulse data | ||
| 80 | */ | ||
| 81 | virtual std::shared_ptr<ImpulseDataAbstract> createData( | ||
| 82 | pinocchio::DataTpl<Scalar>* const data) override; | ||
| 83 | |||
| 84 | /** | ||
| 85 | * @brief Cast the impulse-3d model to a different scalar type. | ||
| 86 | * | ||
| 87 | * It is useful for operations requiring different precision or scalar types. | ||
| 88 | * | ||
| 89 | * @tparam NewScalar The new scalar type to cast to. | ||
| 90 | * @return ImpulseModel3DTpl<NewScalar> An impulse model with the | ||
| 91 | * new scalar type. | ||
| 92 | */ | ||
| 93 | template <typename NewScalar> | ||
| 94 | ImpulseModel3DTpl<NewScalar> cast() const; | ||
| 95 | |||
| 96 | /** | ||
| 97 | * @brief Print relevant information of the 3d impulse model | ||
| 98 | * | ||
| 99 | * @param[out] os Output stream object | ||
| 100 | */ | ||
| 101 | virtual void print(std::ostream& os) const override; | ||
| 102 | |||
| 103 | protected: | ||
| 104 | using Base::id_; | ||
| 105 | using Base::state_; | ||
| 106 | using Base::type_; | ||
| 107 | }; | ||
| 108 | |||
| 109 | template <typename _Scalar> | ||
| 110 | struct ImpulseData3DTpl : public ImpulseDataAbstractTpl<_Scalar> { | ||
| 111 | EIGEN_MAKE_ALIGNED_OPERATOR_NEW | ||
| 112 | |||
| 113 | typedef _Scalar Scalar; | ||
| 114 | typedef MathBaseTpl<Scalar> MathBase; | ||
| 115 | typedef ImpulseDataAbstractTpl<Scalar> Base; | ||
| 116 | typedef typename MathBase::Vector3s Vector3s; | ||
| 117 | typedef typename MathBase::Matrix3s Matrix3s; | ||
| 118 | typedef typename MathBase::Matrix3xs Matrix3xs; | ||
| 119 | typedef typename MathBase::Matrix6xs Matrix6xs; | ||
| 120 | typedef typename pinocchio::ForceTpl<Scalar> Force; | ||
| 121 | |||
| 122 | template <template <typename Scalar> class Model> | ||
| 123 | 3523 | ImpulseData3DTpl(Model<Scalar>* const model, | |
| 124 | pinocchio::DataTpl<Scalar>* const data) | ||
| 125 | : Base(model, data), | ||
| 126 |
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3523 | f_local(Force::Zero()), |
| 127 |
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3523 | dv0_local_dq(3, model->get_state()->get_nv()), |
| 128 |
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3523 | fJf(6, model->get_state()->get_nv()), |
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3523 | v_partial_dq(6, model->get_state()->get_nv()), |
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3523 | v_partial_dv(6, model->get_state()->get_nv()), |
| 131 |
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7046 | fJf_df(3, model->get_state()->get_nv()) { |
| 132 |
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3523 | frame = model->get_id(); |
| 133 | 3523 | jMf = | |
| 134 |
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3523 | model->get_state()->get_pinocchio()->frames[model->get_id()].placement; |
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3523 | fXj = jMf.inverse().toActionMatrix(); |
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3523 | v0.setZero(); |
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3523 | dv0_local_dq.setZero(); |
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3523 | fJf.setZero(); |
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3523 | v_partial_dq.setZero(); |
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3523 | v_partial_dv.setZero(); |
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3523 | v0_skew.setZero(); |
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3523 | v0_world_skew.setZero(); |
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3523 | f_skew.setZero(); |
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3523 | fJf_df.setZero(); |
| 145 | 3523 | } | |
| 146 | 6970 | virtual ~ImpulseData3DTpl() = default; | |
| 147 | |||
| 148 | using Base::df_dx; | ||
| 149 | using Base::dv0_dq; | ||
| 150 | using Base::f; | ||
| 151 | using Base::frame; | ||
| 152 | using Base::fXj; | ||
| 153 | using Base::Jc; | ||
| 154 | using Base::jMf; | ||
| 155 | using Base::pinocchio; | ||
| 156 | |||
| 157 | Vector3s v0; | ||
| 158 | Force f_local; | ||
| 159 | Matrix3xs dv0_local_dq; | ||
| 160 | Matrix6xs fJf; | ||
| 161 | Matrix6xs v_partial_dq; | ||
| 162 | Matrix6xs v_partial_dv; | ||
| 163 | Matrix3s v0_skew; | ||
| 164 | Matrix3s v0_world_skew; | ||
| 165 | Matrix3s f_skew; | ||
| 166 | Matrix3xs fJf_df; | ||
| 167 | }; | ||
| 168 | |||
| 169 | } // namespace crocoddyl | ||
| 170 | |||
| 171 | /* --- Details -------------------------------------------------------------- */ | ||
| 172 | /* --- Details -------------------------------------------------------------- */ | ||
| 173 | /* --- Details -------------------------------------------------------------- */ | ||
| 174 | #include "crocoddyl/multibody/impulses/impulse-3d.hxx" | ||
| 175 | |||
| 176 | CROCODDYL_DECLARE_EXTERN_TEMPLATE_CLASS(crocoddyl::ImpulseModel3DTpl) | ||
| 177 | CROCODDYL_DECLARE_EXTERN_TEMPLATE_STRUCT(crocoddyl::ImpulseData3DTpl) | ||
| 178 | |||
| 179 | #endif // CROCODDYL_MULTIBODY_IMPULSES_IMPULSE_3D_HPP_ | ||
| 180 |