Crocoddyl
 
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poly-two-rk.hpp
1
2// BSD 3-Clause License
3//
4// Copyright (C) 2021-2025, University of Edinburgh, University of Trento,
5// Heriot-Watt University
6// Copyright note valid unless otherwise stated in individual files.
7// All rights reserved.
9
10#ifndef CROCODDYL_CORE_CONTROLS_POLY_TWO_RK_HPP_
11#define CROCODDYL_CORE_CONTROLS_POLY_TWO_RK_HPP_
12
13#include "crocoddyl/core/control-base.hpp"
14#include "crocoddyl/core/fwd.hpp"
15#include "crocoddyl/core/integrator/rk.hpp"
16#include "crocoddyl/core/utils/exception.hpp"
17
18namespace crocoddyl {
19
50template <typename _Scalar>
53 public:
54 typedef _Scalar Scalar;
60 typedef typename MathBase::VectorXs VectorXs;
61 typedef typename MathBase::MatrixXs MatrixXs;
62
69 explicit ControlParametrizationModelPolyTwoRKTpl(const std::size_t nw,
70 const RKType rktype);
72
80 virtual void calc(
81 const std::shared_ptr<ControlParametrizationDataAbstract>& data,
82 const Scalar t, const Eigen::Ref<const VectorXs>& u) const;
83
94 virtual void calcDiff(
95 const std::shared_ptr<ControlParametrizationDataAbstract>& data,
96 const Scalar t, const Eigen::Ref<const VectorXs>& u) const;
97
103 virtual std::shared_ptr<ControlParametrizationDataAbstract> createData();
104
113 virtual void params(
114 const std::shared_ptr<ControlParametrizationDataAbstract>& data,
115 const Scalar t, const Eigen::Ref<const VectorXs>& w) const;
116
126 virtual void convertBounds(const Eigen::Ref<const VectorXs>& w_lb,
127 const Eigen::Ref<const VectorXs>& w_ub,
128 Eigen::Ref<VectorXs> u_lb,
129 Eigen::Ref<VectorXs> u_ub) const;
130
144 virtual void multiplyByJacobian(
145 const std::shared_ptr<ControlParametrizationDataAbstract>& data,
146 const Eigen::Ref<const MatrixXs>& A, Eigen::Ref<MatrixXs> out,
147 const AssignmentOp op = setto) const;
148
163 const std::shared_ptr<ControlParametrizationDataAbstract>& data,
164 const Eigen::Ref<const MatrixXs>& A, Eigen::Ref<MatrixXs> out,
165 const AssignmentOp op = setto) const;
166
167 protected:
168 using Base::nu_;
169 using Base::nw_;
170
171 private:
172 RKType rktype_;
173};
174
175template <typename _Scalar>
177 : public ControlParametrizationDataAbstractTpl<_Scalar> {
178 EIGEN_MAKE_ALIGNED_OPERATOR_NEW
179
180 typedef _Scalar Scalar;
183 typedef typename MathBase::Vector3s Vector3s;
184
185 template <template <typename Scalar> class Model>
186 explicit ControlParametrizationDataPolyTwoRKTpl(Model<Scalar>* const model)
187 : Base(model), tmp_t2(0.) {
188 c.setZero();
189 }
190
192
193 Vector3s c;
195 Scalar tmp_t2;
196};
197
198} // namespace crocoddyl
199
200/* --- Details -------------------------------------------------------------- */
201/* --- Details -------------------------------------------------------------- */
202/* --- Details -------------------------------------------------------------- */
203#include "crocoddyl/core/controls/poly-two-rk.hxx"
204
205#endif // CROCODDYL_CORE_CONTROLS_POLY_TWO_RK_HPP_
Abstract class for the control trajectory parametrization.
std::size_t nu_
Control parameters dimension.
A polynomial function of time of degree two, that is a quadratic function.
ControlParametrizationModelPolyTwoRKTpl(const std::size_t nw, const RKType rktype)
Initialize the poly-two RK control parametrization.
virtual void convertBounds(const Eigen::Ref< const VectorXs > &w_lb, const Eigen::Ref< const VectorXs > &w_ub, Eigen::Ref< VectorXs > u_lb, Eigen::Ref< VectorXs > u_ub) const
Map the specified bounds from the control space to the parameter space.
virtual void multiplyByJacobian(const std::shared_ptr< ControlParametrizationDataAbstract > &data, const Eigen::Ref< const MatrixXs > &A, Eigen::Ref< MatrixXs > out, const AssignmentOp op=setto) const
Compute the product between a specified matrix and the Jacobian of the control (with respect to the p...
virtual void params(const std::shared_ptr< ControlParametrizationDataAbstract > &data, const Scalar t, const Eigen::Ref< const VectorXs > &w) const
Get a value of the control parameters u such that the control at the specified time t is equal to the...
virtual std::shared_ptr< ControlParametrizationDataAbstract > createData()
Create the control-parametrization data.
virtual void calc(const std::shared_ptr< ControlParametrizationDataAbstract > &data, const Scalar t, const Eigen::Ref< const VectorXs > &u) const
Get the value of the control at the specified time.
virtual void calcDiff(const std::shared_ptr< ControlParametrizationDataAbstract > &data, const Scalar t, const Eigen::Ref< const VectorXs > &u) const
Get the value of the Jacobian of the control with respect to the parameters.
virtual void multiplyJacobianTransposeBy(const std::shared_ptr< ControlParametrizationDataAbstract > &data, const Eigen::Ref< const MatrixXs > &A, Eigen::Ref< MatrixXs > out, const AssignmentOp op=setto) const
Compute the product between the transposed Jacobian of the control (with respect to the parameters) a...
Scalar tmp_t2
Temporary variable to store the square of the time.