chomp_parameters.cpp

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/* Author: Mrinal Kalakrishnan */
 
#include <chomp_motion_planner/chomp_parameters.h>
 
#include <algorithm>
 
namespace chomp
{
ChompParameters::ChompParameters()
{
  planning_time_limit_ = 6.0;
  max_iterations_ = 50;
  max_iterations_after_collision_free_ = 5;
  smoothness_cost_weight_ = 0.1;
  obstacle_cost_weight_ = 1.0;
  learning_rate_ = 0.01;
 
  smoothness_cost_velocity_ = 0.0;
  smoothness_cost_acceleration_ = 1.0;
  smoothness_cost_jerk_ = 0.0;
  ridge_factor_ = 0.0;
  use_pseudo_inverse_ = false;
  pseudo_inverse_ridge_factor_ = 1e-4;
 
  joint_update_limit_ = 0.1;
  min_clearance_ = 0.2;
  collision_threshold_ = 0.07;
  use_stochastic_descent_ = true;
  filter_mode_ = false;
  trajectory_initialization_method_ = std::string("quintic-spline");
  enable_failure_recovery_ = false;
  max_recovery_attempts_ = 5;
}
 
ChompParameters::~ChompParameters() = default;
 
void ChompParameters::setRecoveryParams(double learning_rate, double ridge_factor, int planning_time_limit,
                                        int max_iterations)
{
  learning_rate_ = learning_rate;
  ridge_factor_ = ridge_factor;
  planning_time_limit_ = planning_time_limit;
  max_iterations_ = max_iterations;
}
 
const std::vector<std::string> ChompParameters::VALID_INITIALIZATION_METHODS{ "quintic-spline", "linear", "cubic",
                                                                              "fillTrajectory" };
 
bool ChompParameters::setTrajectoryInitializationMethod(std::string method)
{
  if (std::find(VALID_INITIALIZATION_METHODS.cbegin(), VALID_INITIALIZATION_METHODS.cend(), method) !=
      VALID_INITIALIZATION_METHODS.end())
  {
    trajectory_initialization_method_ = std::move(method);
    return true;
  }
  return false;
}
}  // namespace chomp