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Remove front_steering from steering library
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To Accommodate controllers that are not only steering at front or rear
this change remove the `front_steering` variable from
steering_controller_library, as a byproduct of that the notion of
front or rear wheel radius is also removed from dependant controllers
and the library has know "traction_joints_names" and
"steering_joints_names" instead of "front_wheels_names" and
"rear_wheels_names".

Signed-off-by: Quique Llorente <[email protected]>
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@qinqon
qinqon committed Jun 12, 2024
1 parent b245155 commit c09d17b
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Showing 28 changed files with 331 additions and 368 deletions.
36 changes: 24 additions & 12 deletions ackermann_steering_controller/src/ackermann_steering_controller.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -30,22 +30,34 @@ void AckermannSteeringController::initialize_implementation_parameter_listener()
controller_interface::CallbackReturn AckermannSteeringController::configure_odometry()
{
ackermann_params_ = ackermann_param_listener_->get_params();

if (ackermann_params_.front_wheels_radius > 0.0) {
fprintf(stderr, "DEPRECATED parameter 'front_wheels_radius'\n");
return controller_interface::CallbackReturn::ERROR;
}

if (ackermann_params_.rear_wheels_radius > 0.0) {
fprintf(stderr, "DEPRECATED parameter 'rear_wheels_radius'\n");
return controller_interface::CallbackReturn::ERROR;
}

const double front_wheels_radius = ackermann_params_.front_wheels_radius;
const double rear_wheels_radius = ackermann_params_.rear_wheels_radius;
const double front_wheel_track = ackermann_params_.front_wheel_track;
const double rear_wheel_track = ackermann_params_.rear_wheel_track;
const double wheelbase = ackermann_params_.wheelbase;

if (params_.front_steering)
{
odometry_.set_wheel_params(rear_wheels_radius, wheelbase, rear_wheel_track);
if (ackermann_params_.front_wheel_track > 0.0) {
fprintf(stderr, "DEPRECATED parameter 'front_wheel_track'\n");
return controller_interface::CallbackReturn::ERROR;
}
else
{
odometry_.set_wheel_params(front_wheels_radius, wheelbase, front_wheel_track);

if (ackermann_params_.rear_wheel_track > 0.0) {
fprintf(stderr, "DEPRECATED parameter 'rear_wheel_track'\n");
return controller_interface::CallbackReturn::ERROR;
}



const double traction_wheels_radius = ackermann_params_.traction_wheels_radius;
const double traction_wheel_track = ackermann_params_.traction_wheel_track;
const double wheelbase = ackermann_params_.wheelbase;

odometry_.set_wheel_params(traction_wheels_radius, wheelbase, traction_wheel_track);
odometry_.set_odometry_type(steering_odometry::ACKERMANN_CONFIG);

set_interface_numbers(NR_STATE_ITFS, NR_CMD_ITFS, NR_REF_ITFS);
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34 changes: 21 additions & 13 deletions ackermann_steering_controller/src/ackermann_steering_controller.yaml
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Original file line number Diff line number Diff line change
@@ -1,24 +1,27 @@
ackermann_steering_controller:
front_wheel_track:
traction_wheel_track:
{
type: double,
default_value: 0.0,
description: "Front wheel track length. For details see: https://en.wikipedia.org/wiki/Wheelbase",
description: "Traction wheel track length. For details see: https://en.wikipedia.org/wiki/Wheelbase",
read_only: false,
validation: {
gt<>: [0.0]
}
}

front_wheel_track:
{
type: double,
default_value: 0.0,
description: "DEPRECATED: use 'traction_wheel_track'",
read_only: false,
}
rear_wheel_track:
{
type: double,
default_value: 0.0,
description: "Rear wheel track length. For details see: https://en.wikipedia.org/wiki/Wheelbase",
description: "DEPRECATED: use 'traction_wheel_track'",
read_only: false,
validation: {
gt<>: [0.0]
}
}

wheelbase:
Expand All @@ -32,24 +35,29 @@ ackermann_steering_controller:
}
}

front_wheels_radius:
traction_wheels_radius:
{
type: double,
default_value: 0.0,
description: "Front wheels radius.",
description: "Traction wheels radius.",
read_only: false,
validation: {
gt<>: [0.0]
}
}

front_wheels_radius:
{
type: double,
default_value: 0.0,
description: "DEPRECATED: use 'traction_wheels_radius'",
read_only: false,
}

rear_wheels_radius:
{
type: double,
default_value: 0.0,
description: "Rear wheels radius.",
description: "DEPRECATED: use 'traction_wheels_radius'",
read_only: false,
validation: {
gt<>: [0.0]
}
}
11 changes: 4 additions & 7 deletions ackermann_steering_controller/test/ackermann_steering_controller_params.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,15 +2,12 @@ test_ackermann_steering_controller:
ros__parameters:

reference_timeout: 2.0
front_steering: true
open_loop: false
velocity_rolling_window_size: 10
position_feedback: false
rear_wheels_names: [rear_right_wheel_joint, rear_left_wheel_joint]
front_wheels_names: [front_right_steering_joint, front_left_steering_joint]
traction_joints_names: [rear_right_wheel_joint, rear_left_wheel_joint]
steering_joints_names: [front_right_steering_joint, front_left_steering_joint]

wheelbase: 3.24644
front_wheel_track: 2.12321
rear_wheel_track: 1.76868
front_wheels_radius: 0.45
rear_wheels_radius: 0.45
traction_wheel_track: 1.76868
traction_wheels_radius: 0.45
15 changes: 6 additions & 9 deletions ackermann_steering_controller/test/ackermann_steering_controller_preceeding_params.yaml
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Original file line number Diff line number Diff line change
@@ -1,16 +1,13 @@
test_ackermann_steering_controller:
ros__parameters:
reference_timeout: 2.0
front_steering: true
open_loop: false
velocity_rolling_window_size: 10
position_feedback: false
rear_wheels_names: [pid_controller/rear_right_wheel_joint, pid_controller/rear_left_wheel_joint]
front_wheels_names: [pid_controller/front_right_steering_joint, pid_controller/front_left_steering_joint]
rear_wheels_state_names: [rear_right_wheel_joint, rear_left_wheel_joint]
front_wheels_state_names: [front_right_steering_joint, front_left_steering_joint]
traction_joints_names: [pid_controller/rear_right_wheel_joint, pid_controller/rear_left_wheel_joint]
steering_joints_names: [pid_controller/front_right_steering_joint, pid_controller/front_left_steering_joint]
traction_joints_state_names: [rear_right_wheel_joint, rear_left_wheel_joint]
steering_joints_state_names: [front_right_steering_joint, front_left_steering_joint]
wheelbase: 3.24644
front_wheel_track: 2.12321
rear_wheel_track: 1.76868
front_wheels_radius: 0.45
rear_wheels_radius: 0.45
traction_wheel_track: 1.76868
traction_wheels_radius: 0.45
27 changes: 12 additions & 15 deletions ackermann_steering_controller/test/test_ackermann_steering_controller.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -32,18 +32,15 @@ TEST_F(AckermannSteeringControllerTest, all_parameters_set_configure_success)
ASSERT_EQ(controller_->on_configure(rclcpp_lifecycle::State()), NODE_SUCCESS);

ASSERT_THAT(
controller_->params_.rear_wheels_names, testing::ElementsAreArray(rear_wheels_names_));
controller_->params_.traction_joints_names, testing::ElementsAreArray(traction_joints_names_));
ASSERT_THAT(
controller_->params_.front_wheels_names, testing::ElementsAreArray(front_wheels_names_));
ASSERT_EQ(controller_->params_.front_steering, front_steering_);
controller_->params_.steering_joints_names, testing::ElementsAreArray(steering_joints_names_));
ASSERT_EQ(controller_->params_.open_loop, open_loop_);
ASSERT_EQ(controller_->params_.velocity_rolling_window_size, velocity_rolling_window_size_);
ASSERT_EQ(controller_->params_.position_feedback, position_feedback_);
ASSERT_EQ(controller_->ackermann_params_.wheelbase, wheelbase_);
ASSERT_EQ(controller_->ackermann_params_.front_wheels_radius, front_wheels_radius_);
ASSERT_EQ(controller_->ackermann_params_.rear_wheels_radius, rear_wheels_radius_);
ASSERT_EQ(controller_->ackermann_params_.front_wheel_track, front_wheel_track_);
ASSERT_EQ(controller_->ackermann_params_.rear_wheel_track, rear_wheel_track_);
ASSERT_EQ(controller_->ackermann_params_.traction_wheels_radius, traction_wheels_radius_);
ASSERT_EQ(controller_->ackermann_params_.traction_wheel_track, traction_wheel_track_);
}

TEST_F(AckermannSteeringControllerTest, check_exported_interfaces)
Expand All @@ -56,32 +53,32 @@ TEST_F(AckermannSteeringControllerTest, check_exported_interfaces)
ASSERT_EQ(cmd_if_conf.names.size(), joint_command_values_.size());
EXPECT_EQ(
cmd_if_conf.names[CMD_TRACTION_RIGHT_WHEEL],
rear_wheels_names_[0] + "/" + traction_interface_name_);
traction_joints_names_[0] + "/" + traction_interface_name_);
EXPECT_EQ(
cmd_if_conf.names[CMD_TRACTION_LEFT_WHEEL],
rear_wheels_names_[1] + "/" + traction_interface_name_);
traction_joints_names_[1] + "/" + traction_interface_name_);
EXPECT_EQ(
cmd_if_conf.names[CMD_STEER_RIGHT_WHEEL],
front_wheels_names_[0] + "/" + steering_interface_name_);
steering_joints_names_[0] + "/" + steering_interface_name_);
EXPECT_EQ(
cmd_if_conf.names[CMD_STEER_LEFT_WHEEL],
front_wheels_names_[1] + "/" + steering_interface_name_);
steering_joints_names_[1] + "/" + steering_interface_name_);
EXPECT_EQ(cmd_if_conf.type, controller_interface::interface_configuration_type::INDIVIDUAL);

auto state_if_conf = controller_->state_interface_configuration();
ASSERT_EQ(state_if_conf.names.size(), joint_state_values_.size());
EXPECT_EQ(
state_if_conf.names[STATE_TRACTION_RIGHT_WHEEL],
controller_->rear_wheels_state_names_[0] + "/" + traction_interface_name_);
controller_->traction_joints_state_names_[0] + "/" + traction_interface_name_);
EXPECT_EQ(
state_if_conf.names[STATE_TRACTION_LEFT_WHEEL],
controller_->rear_wheels_state_names_[1] + "/" + traction_interface_name_);
controller_->traction_joints_state_names_[1] + "/" + traction_interface_name_);
EXPECT_EQ(
state_if_conf.names[STATE_STEER_RIGHT_WHEEL],
controller_->front_wheels_state_names_[0] + "/" + steering_interface_name_);
controller_->steering_joints_state_names_[0] + "/" + steering_interface_name_);
EXPECT_EQ(
state_if_conf.names[STATE_STEER_LEFT_WHEEL],
controller_->front_wheels_state_names_[1] + "/" + steering_interface_name_);
controller_->steering_joints_state_names_[1] + "/" + steering_interface_name_);
EXPECT_EQ(state_if_conf.type, controller_interface::interface_configuration_type::INDIVIDUAL);

// check ref itfsTIME
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39 changes: 19 additions & 20 deletions ackermann_steering_controller/test/test_ackermann_steering_controller.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -165,22 +165,22 @@ class AckermannSteeringControllerFixture : public ::testing::Test
command_ifs.reserve(joint_command_values_.size());

command_itfs_.emplace_back(hardware_interface::CommandInterface(
rear_wheels_names_[0], traction_interface_name_,
traction_joints_names_[0], traction_interface_name_,
&joint_command_values_[CMD_TRACTION_RIGHT_WHEEL]));
command_ifs.emplace_back(command_itfs_.back());

command_itfs_.emplace_back(hardware_interface::CommandInterface(
rear_wheels_names_[1], steering_interface_name_,
traction_joints_names_[1], steering_interface_name_,
&joint_command_values_[CMD_TRACTION_LEFT_WHEEL]));
command_ifs.emplace_back(command_itfs_.back());

command_itfs_.emplace_back(hardware_interface::CommandInterface(
front_wheels_names_[0], steering_interface_name_,
steering_joints_names_[0], steering_interface_name_,
&joint_command_values_[CMD_STEER_RIGHT_WHEEL]));
command_ifs.emplace_back(command_itfs_.back());

command_itfs_.emplace_back(hardware_interface::CommandInterface(
front_wheels_names_[1], steering_interface_name_,
steering_joints_names_[1], steering_interface_name_,
&joint_command_values_[CMD_STEER_LEFT_WHEEL]));
command_ifs.emplace_back(command_itfs_.back());

Expand All @@ -189,22 +189,22 @@ class AckermannSteeringControllerFixture : public ::testing::Test
state_ifs.reserve(joint_state_values_.size());

state_itfs_.emplace_back(hardware_interface::StateInterface(
rear_wheels_names_[0], traction_interface_name_,
traction_joints_names_[0], traction_interface_name_,
&joint_state_values_[STATE_TRACTION_RIGHT_WHEEL]));
state_ifs.emplace_back(state_itfs_.back());

state_itfs_.emplace_back(hardware_interface::StateInterface(
rear_wheels_names_[1], traction_interface_name_,
traction_joints_names_[1], traction_interface_name_,
&joint_state_values_[STATE_TRACTION_LEFT_WHEEL]));
state_ifs.emplace_back(state_itfs_.back());

state_itfs_.emplace_back(hardware_interface::StateInterface(
front_wheels_names_[0], steering_interface_name_,
steering_joints_names_[0], steering_interface_name_,
&joint_state_values_[STATE_STEER_RIGHT_WHEEL]));
state_ifs.emplace_back(state_itfs_.back());

state_itfs_.emplace_back(hardware_interface::StateInterface(
front_wheels_names_[1], steering_interface_name_,
steering_joints_names_[1], steering_interface_name_,
&joint_state_values_[STATE_STEER_LEFT_WHEEL]));
state_ifs.emplace_back(state_itfs_.back());

Expand Down Expand Up @@ -276,29 +276,28 @@ class AckermannSteeringControllerFixture : public ::testing::Test
protected:
// Controller-related parameters
double reference_timeout_ = 2.0;
bool front_steering_ = true;
bool open_loop_ = false;
unsigned int velocity_rolling_window_size_ = 10;
bool position_feedback_ = false;
std::vector<std::string> rear_wheels_names_ = {"rear_right_wheel_joint", "rear_left_wheel_joint"};
std::vector<std::string> front_wheels_names_ = {
std::vector<std::string> traction_joints_names_ = {
"rear_right_wheel_joint", "rear_left_wheel_joint"};
std::vector<std::string> steering_joints_names_ = {
"front_right_steering_joint", "front_left_steering_joint"};
std::vector<std::string> joint_names_ = {
rear_wheels_names_[0], rear_wheels_names_[1], front_wheels_names_[0], front_wheels_names_[1]};
traction_joints_names_[0], traction_joints_names_[1], steering_joints_names_[0],
steering_joints_names_[1]};

std::vector<std::string> rear_wheels_preceeding_names_ = {
std::vector<std::string> wheels_preceeding_names_ = {
"pid_controller/rear_right_wheel_joint", "pid_controller/rear_left_wheel_joint"};
std::vector<std::string> front_wheels_preceeding_names_ = {
std::vector<std::string> steers_preceeding_names_ = {
"pid_controller/front_right_steering_joint", "pid_controller/front_left_steering_joint"};
std::vector<std::string> preceeding_joint_names_ = {
rear_wheels_preceeding_names_[0], rear_wheels_preceeding_names_[1],
front_wheels_preceeding_names_[0], front_wheels_preceeding_names_[1]};
wheels_preceeding_names_[0], wheels_preceeding_names_[1], steers_preceeding_names_[0],
steers_preceeding_names_[1]};

double wheelbase_ = 3.24644;
double front_wheel_track_ = 2.12321;
double rear_wheel_track_ = 1.76868;
double front_wheels_radius_ = 0.45;
double rear_wheels_radius_ = 0.45;
double traction_wheel_track_ = 1.76868;
double traction_wheels_radius_ = 0.45;

std::array<double, 4> joint_state_values_ = {0.5, 0.5, 0.0, 0.0};
std::array<double, 4> joint_command_values_ = {1.1, 3.3, 2.2, 4.4};
Expand Down
31 changes: 14 additions & 17 deletions ackermann_steering_controller/test/test_ackermann_steering_controller_preceeding.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -32,20 +32,17 @@ TEST_F(AckermannSteeringControllerTest, all_parameters_set_configure_success)
ASSERT_EQ(controller_->on_configure(rclcpp_lifecycle::State()), NODE_SUCCESS);

ASSERT_THAT(
controller_->params_.rear_wheels_names,
testing::ElementsAreArray(rear_wheels_preceeding_names_));
controller_->params_.traction_joints_names,
testing::ElementsAreArray(wheels_preceeding_names_));
ASSERT_THAT(
controller_->params_.front_wheels_names,
testing::ElementsAreArray(front_wheels_preceeding_names_));
ASSERT_EQ(controller_->params_.front_steering, front_steering_);
controller_->params_.steering_joints_names,
testing::ElementsAreArray(steers_preceeding_names_));
ASSERT_EQ(controller_->params_.open_loop, open_loop_);
ASSERT_EQ(controller_->params_.velocity_rolling_window_size, velocity_rolling_window_size_);
ASSERT_EQ(controller_->params_.position_feedback, position_feedback_);
ASSERT_EQ(controller_->ackermann_params_.wheelbase, wheelbase_);
ASSERT_EQ(controller_->ackermann_params_.front_wheels_radius, front_wheels_radius_);
ASSERT_EQ(controller_->ackermann_params_.rear_wheels_radius, rear_wheels_radius_);
ASSERT_EQ(controller_->ackermann_params_.front_wheel_track, front_wheel_track_);
ASSERT_EQ(controller_->ackermann_params_.rear_wheel_track, rear_wheel_track_);
ASSERT_EQ(controller_->ackermann_params_.traction_wheels_radius, traction_wheels_radius_);
ASSERT_EQ(controller_->ackermann_params_.traction_wheel_track, traction_wheel_track_);
}

TEST_F(AckermannSteeringControllerTest, check_exported_interfaces)
Expand All @@ -58,32 +55,32 @@ TEST_F(AckermannSteeringControllerTest, check_exported_interfaces)
ASSERT_EQ(cmd_if_conf.names.size(), joint_command_values_.size());
EXPECT_EQ(
cmd_if_conf.names[CMD_TRACTION_RIGHT_WHEEL],
preceeding_prefix_ + "/" + rear_wheels_names_[0] + "/" + traction_interface_name_);
preceeding_prefix_ + "/" + traction_joints_names_[0] + "/" + traction_interface_name_);
EXPECT_EQ(
cmd_if_conf.names[CMD_TRACTION_LEFT_WHEEL],
preceeding_prefix_ + "/" + rear_wheels_names_[1] + "/" + traction_interface_name_);
preceeding_prefix_ + "/" + traction_joints_names_[1] + "/" + traction_interface_name_);
EXPECT_EQ(
cmd_if_conf.names[CMD_STEER_RIGHT_WHEEL],
preceeding_prefix_ + "/" + front_wheels_names_[0] + "/" + steering_interface_name_);
preceeding_prefix_ + "/" + steering_joints_names_[0] + "/" + steering_interface_name_);
EXPECT_EQ(
cmd_if_conf.names[CMD_STEER_LEFT_WHEEL],
preceeding_prefix_ + "/" + front_wheels_names_[1] + "/" + steering_interface_name_);
preceeding_prefix_ + "/" + steering_joints_names_[1] + "/" + steering_interface_name_);
EXPECT_EQ(cmd_if_conf.type, controller_interface::interface_configuration_type::INDIVIDUAL);

auto state_if_conf = controller_->state_interface_configuration();
ASSERT_EQ(state_if_conf.names.size(), joint_state_values_.size());
EXPECT_EQ(
state_if_conf.names[STATE_TRACTION_RIGHT_WHEEL],
controller_->rear_wheels_state_names_[0] + "/" + traction_interface_name_);
controller_->traction_joints_state_names_[0] + "/" + traction_interface_name_);
EXPECT_EQ(
state_if_conf.names[STATE_TRACTION_LEFT_WHEEL],
controller_->rear_wheels_state_names_[1] + "/" + traction_interface_name_);
controller_->traction_joints_state_names_[1] + "/" + traction_interface_name_);
EXPECT_EQ(
state_if_conf.names[STATE_STEER_RIGHT_WHEEL],
controller_->front_wheels_state_names_[0] + "/" + steering_interface_name_);
controller_->steering_joints_state_names_[0] + "/" + steering_interface_name_);
EXPECT_EQ(
state_if_conf.names[STATE_STEER_LEFT_WHEEL],
controller_->front_wheels_state_names_[1] + "/" + steering_interface_name_);
controller_->steering_joints_state_names_[1] + "/" + steering_interface_name_);
EXPECT_EQ(state_if_conf.type, controller_interface::interface_configuration_type::INDIVIDUAL);

// check ref itfs
Expand Down
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