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// |
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// Copyright (c) 2017 CNRS |
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// |
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// This file is part of tsid |
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// tsid is free software: you can redistribute it |
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// and/or modify it under the terms of the GNU Lesser General Public |
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// License as published by the Free Software Foundation, either version |
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// 3 of the License, or (at your option) any later version. |
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// tsid is distributed in the hope that it will be |
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// General Lesser Public License for more details. You should have |
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// received a copy of the GNU Lesser General Public License along with |
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// tsid If not, see |
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// <http://www.gnu.org/licenses/>. |
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// |
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#ifndef __invdyn_inverse_dynamics_formulation_base_hpp__ |
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#define __invdyn_inverse_dynamics_formulation_base_hpp__ |
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#include "tsid/deprecated.hh" |
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#include "tsid/math/fwd.hpp" |
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#include "tsid/robots/robot-wrapper.hpp" |
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#include "tsid/tasks/task-actuation.hpp" |
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#include "tsid/tasks/task-motion.hpp" |
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#include "tsid/tasks/task-contact-force.hpp" |
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#include "tsid/contacts/contact-base.hpp" |
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#include "tsid/contacts/measured-force-base.hpp" |
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#include "tsid/solvers/solver-HQP-base.hpp" |
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#include <string> |
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namespace tsid { |
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struct TaskLevel { |
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW |
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tasks::TaskBase& task; |
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std::shared_ptr<math::ConstraintBase> constraint; |
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unsigned int priority; |
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TaskLevel(tasks::TaskBase& task, unsigned int priority); |
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}; |
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struct TaskLevelForce { |
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW |
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tasks::TaskContactForce& task; |
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std::shared_ptr<math::ConstraintBase> constraint; |
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unsigned int priority; |
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TaskLevelForce(tasks::TaskContactForce& task, unsigned int priority); |
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}; |
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struct MeasuredForceLevel { |
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW |
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contacts::MeasuredForceBase& measuredForce; |
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MeasuredForceLevel(contacts::MeasuredForceBase& measuredForce); |
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}; |
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/// |
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/// \brief Wrapper for a robot based on pinocchio |
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/// |
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class InverseDynamicsFormulationBase { |
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public: |
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW |
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typedef pinocchio::Data Data; |
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typedef math::Vector Vector; |
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typedef math::RefVector RefVector; |
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typedef math::ConstRefVector ConstRefVector; |
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typedef tasks::TaskMotion TaskMotion; |
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typedef tasks::TaskContactForce TaskContactForce; |
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typedef tasks::TaskActuation TaskActuation; |
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typedef tasks::TaskBase TaskBase; |
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typedef contacts::MeasuredForceBase MeasuredForceBase; |
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typedef contacts::ContactBase ContactBase; |
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typedef solvers::HQPData HQPData; |
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typedef solvers::HQPOutput HQPOutput; |
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typedef robots::RobotWrapper RobotWrapper; |
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InverseDynamicsFormulationBase(const std::string& name, RobotWrapper& robot, |
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bool verbose = false); |
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virtual ~InverseDynamicsFormulationBase() = default; |
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virtual Data& data() = 0; |
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virtual unsigned int nVar() const = 0; |
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virtual unsigned int nEq() const = 0; |
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virtual unsigned int nIn() const = 0; |
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virtual bool addMotionTask(TaskMotion& task, double weight, |
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unsigned int priorityLevel, |
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double transition_duration = 0.0) = 0; |
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virtual bool addForceTask(TaskContactForce& task, double weight, |
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unsigned int priorityLevel, |
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double transition_duration = 0.0) = 0; |
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virtual bool addActuationTask(TaskActuation& task, double weight, |
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unsigned int priorityLevel, |
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double transition_duration = 0.0) = 0; |
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virtual bool updateTaskWeight(const std::string& task_name, |
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double weight) = 0; |
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/** |
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* @brief Add a rigid contact constraint to the model, introducing the |
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* associated reaction forces as problem variables. |
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* @param contact The contact constraint to add |
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* @param force_regularization_weight The weight of the force regularization |
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* task |
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* @param motion_weight The weight of the motion task (e.g., zero acceleration |
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* of contact points) |
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* @param motion_priority_level Priority level of the motion task |
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* @return True if everything went fine, false otherwise |
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*/ |
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virtual bool addRigidContact(ContactBase& contact, |
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double force_regularization_weight, |
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double motion_weight = 1.0, |
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unsigned int motion_priority_level = 0) = 0; |
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TSID_DEPRECATED virtual bool addRigidContact(ContactBase& contact); |
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/** |
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* @brief Update the weights associated to the specified contact |
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* @param contact_name Name of the contact to update |
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* @param force_regularization_weight Weight of the force regularization task, |
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* if negative it is not updated |
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* @param motion_weight Weight of the motion task, if negative it is not |
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* update |
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* @return True if everything went fine, false otherwise |
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*/ |
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virtual bool updateRigidContactWeights(const std::string& contact_name, |
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double force_regularization_weight, |
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double motion_weight = -1.0) = 0; |
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virtual bool addMeasuredForce(MeasuredForceBase& measuredForce) = 0; |
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virtual bool removeTask(const std::string& taskName, |
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double transition_duration = 0.0) = 0; |
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virtual bool removeRigidContact(const std::string& contactName, |
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double transition_duration = 0.0) = 0; |
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virtual bool removeMeasuredForce(const std::string& measuredForceName) = 0; |
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virtual const HQPData& computeProblemData(double time, ConstRefVector q, |
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ConstRefVector v) = 0; |
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virtual const Vector& getActuatorForces(const HQPOutput& sol) = 0; |
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virtual const Vector& getAccelerations(const HQPOutput& sol) = 0; |
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virtual const Vector& getContactForces(const HQPOutput& sol) = 0; |
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virtual bool getContactForces(const std::string& name, const HQPOutput& sol, |
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RefVector f) = 0; |
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protected: |
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std::string m_name; |
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RobotWrapper m_robot; |
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bool m_verbose; |
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}; |
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} // namespace tsid |
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#endif // ifndef __invdyn_inverse_dynamics_formulation_base_hpp__ |
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