pxmlw6n2f/Gazebo_Distributed_MPI/test/regression/1082_pid_limits.cc

123 lines
3.7 KiB
C++

/*
* Copyright (C) 2014 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <gtest/gtest.h>
#include "gazebo/physics/World.hh"
#include "gazebo/physics/Model.hh"
#include "gazebo/physics/JointController.hh"
#include "gazebo/common/PID.hh"
#include "gazebo/test/ServerFixture.hh"
#include "test_config.h"
using namespace gazebo;
class Issue1082Test : public ServerFixture
{
};
/////////////////////////////////////////////////
TEST_F(Issue1082Test, PIDLimitsVelocity)
{
Load("worlds/simple_arm_test.world", true);
gazebo::physics::WorldPtr world = physics::get_world("default");
ASSERT_TRUE(world != NULL);
gazebo::physics::ModelPtr model = world->GetModel("simple_arm");
gazebo::physics::JointControllerPtr jointController =
model->GetJointController();
world->Step(100);
gazebo::transport::PublisherPtr pub =
this->node->Advertise<gazebo::msgs::JointCmd>(
"/gazebo/default/simple_arm/joint_cmd");
math::Pose startPose = model->GetLink("arm_elbow_pan")->GetWorldPose();
msgs::JointCmd msg;
msg.set_name("simple_arm::arm_shoulder_pan_joint");
msg.mutable_velocity()->set_target(10);
msg.mutable_velocity()->set_p_gain(1);
msg.mutable_velocity()->set_i_gain(.1);
msg.mutable_velocity()->set_d_gain(.01);
msg.mutable_velocity()->set_i_max(0.5);
msg.mutable_velocity()->set_i_min(0.1);
msg.mutable_velocity()->set_limit(0.001);
pub->Publish(msg);
world->Step(500);
math::Pose endPose = model->GetLink("arm_elbow_pan")->GetWorldPose();
double diffDist = (startPose - endPose).pos.GetLength();
gzdbg << "Start[" << startPose << "] End[" << endPose << "] Dist["
<< diffDist << "]\n";
// 0.002 chosen arbitrarily.
EXPECT_LT(diffDist, 0.002);
EXPECT_GT(diffDist, -0.002);
}
/////////////////////////////////////////////////
TEST_F(Issue1082Test, PIDLimitsPosition)
{
// Load an empty world
Load("worlds/simple_arm_test.world", true);
gazebo::physics::WorldPtr world = physics::get_world("default");
ASSERT_TRUE(world != NULL);
gazebo::physics::ModelPtr model = world->GetModel("simple_arm");
gazebo::physics::JointControllerPtr jointController =
model->GetJointController();
gazebo::transport::PublisherPtr pub =
this->node->Advertise<gazebo::msgs::JointCmd>(
"/gazebo/default/simple_arm/joint_cmd");
math::Pose startPose = model->GetLink("arm_elbow_pan")->GetWorldPose();
msgs::JointCmd msg;
msg.set_name("simple_arm::arm_shoulder_pan_joint");
msg.mutable_position()->set_target(10);
msg.mutable_position()->set_p_gain(1);
msg.mutable_position()->set_i_gain(.1);
msg.mutable_position()->set_d_gain(.01);
msg.mutable_position()->set_i_max(0.5);
msg.mutable_position()->set_i_min(0.1);
msg.mutable_position()->set_limit(0.001);
pub->Publish(msg);
world->Step(500);
math::Pose endPose = model->GetLink("arm_elbow_pan")->GetWorldPose();
gzdbg << "Start Pose[" << startPose << "]\n";
gzdbg << "End Pose[" << endPose << "]\n";
double diffDist = (startPose - endPose).pos.GetLength();
EXPECT_LT(diffDist, 0.002);
EXPECT_GT(diffDist, -0.002);
}
/////////////////////////////////////////////////
/// Main
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}