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/////////////////////////////////////////////////////////////////////////////// |
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// BSD 3-Clause License |
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// |
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// Copyright (C) 2019-2023, LAAS-CNRS, University of Edinburgh, |
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// Heriot-Watt University |
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// Copyright note valid unless otherwise stated in individual files. |
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// All rights reserved. |
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/////////////////////////////////////////////////////////////////////////////// |
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#include "crocoddyl/core/actions/lqr.hpp" |
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#include "crocoddyl/core/solvers/fddp.hpp" |
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#include "crocoddyl/core/states/euclidean.hpp" |
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#include "crocoddyl/core/utils/callbacks.hpp" |
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#include "crocoddyl/core/utils/timer.hpp" |
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int main(int argc, char* argv[]) { |
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unsigned int NX = 37; |
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unsigned int NU = 12; |
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bool CALLBACKS = false; |
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unsigned int N = 100; // number of nodes |
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unsigned int T = 5e3; // number of trials |
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unsigned int MAXITER = 1; |
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if (argc > 1) { |
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T = atoi(argv[1]); |
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} |
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// Creating the action models and warm point for the LQR system |
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Eigen::VectorXd x0 = Eigen::VectorXd::Zero(NX); |
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std::shared_ptr<crocoddyl::ActionModelAbstract> model = |
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std::make_shared<crocoddyl::ActionModelLQR>(NX, NU); |
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std::vector<Eigen::VectorXd> xs(N + 1, x0); |
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std::vector<Eigen::VectorXd> us(N, Eigen::VectorXd::Zero(NU)); |
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std::vector<std::shared_ptr<crocoddyl::ActionModelAbstract> > runningModels( |
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N, model); |
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// Formulating the optimal control problem |
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std::shared_ptr<crocoddyl::ShootingProblem> problem = |
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std::make_shared<crocoddyl::ShootingProblem>(x0, runningModels, model); |
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crocoddyl::SolverFDDP solver(problem); |
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if (CALLBACKS) { |
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std::vector<std::shared_ptr<crocoddyl::CallbackAbstract> > cbs; |
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cbs.push_back(std::make_shared<crocoddyl::CallbackVerbose>()); |
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solver.setCallbacks(cbs); |
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} |
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std::cout << "NQ: " |
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<< solver.get_problem()->get_terminalModel()->get_state()->get_nq() |
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<< std::endl; |
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std::cout << "Number of nodes: " << N << std::endl; |
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// Solving the optimal control problem |
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Eigen::ArrayXd duration(T); |
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for (unsigned int i = 0; i < T; ++i) { |
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crocoddyl::Timer timer; |
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solver.solve(xs, us, MAXITER); |
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duration[i] = timer.get_duration(); |
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} |
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double avrg_duration = duration.sum() / T; |
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double min_duration = duration.minCoeff(); |
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double max_duration = duration.maxCoeff(); |
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std::cout << " FDDP.solve [ms]: " << avrg_duration << " (" << min_duration |
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<< "-" << max_duration << ")" << std::endl; |
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// Running calc |
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for (unsigned int i = 0; i < T; ++i) { |
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crocoddyl::Timer timer; |
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problem->calc(xs, us); |
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duration[i] = timer.get_duration(); |
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} |
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avrg_duration = duration.sum() / T; |
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min_duration = duration.minCoeff(); |
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max_duration = duration.maxCoeff(); |
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std::cout << " ShootingProblem.calc [ms]: " << avrg_duration << " (" |
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<< min_duration << "-" << max_duration << ")" << std::endl; |
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// Running calcDiff |
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for (unsigned int i = 0; i < T; ++i) { |
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crocoddyl::Timer timer; |
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problem->calcDiff(xs, us); |
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duration[i] = timer.get_duration(); |
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} |
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avrg_duration = duration.sum() / T; |
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min_duration = duration.minCoeff(); |
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max_duration = duration.maxCoeff(); |
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std::cout << " ShootingProblem.calcDiff [ms]: " << avrg_duration << " (" |
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<< min_duration << "-" << max_duration << ")" << std::endl; |
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} |
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