Crocoddyl
poly-two-rk.hpp
1 // 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 
18 namespace crocoddyl {
19 
50 template <typename _Scalar>
52  : public ControlParametrizationModelAbstractTpl<_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 boost::shared_ptr<ControlParametrizationDataAbstract>& data,
82  const Scalar t, const Eigen::Ref<const VectorXs>& u) const;
83 
94  virtual void calcDiff(
95  const boost::shared_ptr<ControlParametrizationDataAbstract>& data,
96  const Scalar t, const Eigen::Ref<const VectorXs>& u) const;
97 
103  virtual boost::shared_ptr<ControlParametrizationDataAbstract> createData();
104 
113  virtual void params(
114  const boost::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 boost::shared_ptr<ControlParametrizationDataAbstract>& data,
146  const Eigen::Ref<const MatrixXs>& A, Eigen::Ref<MatrixXs> out,
147  const AssignmentOp op = setto) const;
148 
163  const boost::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 
175 template <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.
Definition: poly-two-rk.hpp:52
ControlParametrizationModelPolyTwoRKTpl(const std::size_t nw, const RKType rktype)
Initialize the poly-two RK control parametrization.
virtual void calc(const boost::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 multiplyJacobianTransposeBy(const boost::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...
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 boost::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 boost::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 void calcDiff(const boost::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 boost::shared_ptr< ControlParametrizationDataAbstract > createData()
Create the control-parametrization data.
Scalar tmp_t2
Temporary variable to store the square of the time.