chomp_interface.cpp

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/* Author: E. Gil Jones */
 
#include <chomp_interface/chomp_interface.h>
 
namespace chomp_interface
{
static const rclcpp::Logger LOGGER = rclcpp::get_logger("chomp_optimizer");
 
CHOMPInterface::CHOMPInterface(const rclcpp::Node::SharedPtr& node) : ChompPlanner(), node_(node)
{
  loadParams();
}
 
void CHOMPInterface::loadParams()
{
  node_->get_parameter_or("chomp.planning_time_limit", params_.planning_time_limit_, 10.0);
  node_->get_parameter_or("chomp.max_iterations", params_.max_iterations_, 200);
  node_->get_parameter_or("chomp.max_iterations_after_collision_free", params_.max_iterations_after_collision_free_, 5);
 
  node_->get_parameter_or("chomp.smoothness_cost_weight", params_.smoothness_cost_weight_, 0.1);
  node_->get_parameter_or("chomp.obstacle_cost_weight", params_.obstacle_cost_weight_, 1.0);
  node_->get_parameter_or("chomp.learning_rate", params_.learning_rate_, 0.01);
 
  node_->get_parameter_or("chomp.smoothness_cost_velocity", params_.smoothness_cost_velocity_, 0.0);
  node_->get_parameter_or("chomp.smoothness_cost_acceleration", params_.smoothness_cost_acceleration_, 1.0);
  node_->get_parameter_or("chomp.smoothness_cost_jerk", params_.smoothness_cost_jerk_, 0.0);
  node_->get_parameter_or("chomp.ridge_factor", params_.ridge_factor_, 0.0);
  node_->get_parameter_or("chomp.use_pseudo_inverse", params_.use_pseudo_inverse_, false);
  node_->get_parameter_or("chomp.pseudo_inverse_ridge_factor", params_.pseudo_inverse_ridge_factor_, 1e-4);
 
  node_->get_parameter_or("chomp.joint_update_limit", params_.joint_update_limit_, 0.1);
  node_->get_parameter_or("chomp.collision_clearance", params_.min_clearance_, 0.2);
  node_->get_parameter_or("chomp.collision_threshold", params_.collision_threshold_, 0.07);
  node_->get_parameter_or("chomp.use_stochastic_descent", params_.use_stochastic_descent_, true);
  params_.trajectory_initialization_method_ = "quintic-spline";
  std::string method;
  if (node_->get_parameter("chomp.trajectory_initialization_method", method) &&
      !params_.setTrajectoryInitializationMethod(method))
  {
    RCLCPP_ERROR(LOGGER,
                 "Attempted to set trajectory_initialization_method to invalid value '%s'. Using default '%s' "
                 "instead.",
                 method.c_str(), params_.trajectory_initialization_method_.c_str());
  }
  node_->get_parameter_or("chomp.enable_failure_recovery", params_.enable_failure_recovery_, false);
  node_->get_parameter_or("chomp.max_recovery_attempts", params_.max_recovery_attempts_, 5);
}
}  // namespace chomp_interface