adds commander_atan node to replace commander node
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parent
1b601b9f22
commit
b19ea6355c
5 changed files with 178 additions and 7 deletions
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@ -53,6 +53,10 @@ target_link_libraries(keyboard_cmd display ${catkin_LIBRARIES} ${ncursesw_LIBRAR
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target_link_libraries(estimator ${catkin_LIBRARIES})
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add_dependencies(estimator hand_control_generate_messages_cpp)
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add_executable(commander_atan src/commander_atan.cpp)
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target_link_libraries(commander_atan ${catkin_LIBRARIES})
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add_dependencies(commander_atan hand_control_generate_messages_cpp)
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add_executable(commander src/commander.cpp)
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target_link_libraries(commander ${catkin_LIBRARIES})
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add_dependencies(commander hand_control_generate_messages_cpp)
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@ -62,11 +66,13 @@ generate_dynamic_reconfigure_options(
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cfg/Filter.cfg
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cfg/Commander.cfg
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cfg/Estimator.cfg
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cfg/Commander_atan.cfg
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)
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add_dependencies(filter ${PROJECT_NAME}_gencfg)
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add_dependencies(commander ${PROJECT_NAME}_gencfg)
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add_dependencies(estimator ${PROJECT_NAME}_gencfg)
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add_dependencies(commander_atan ${PROJECT_NAME}_gencfg)
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catkin_package(
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CATKIN_DEPENDS message_runtime
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@ -3,14 +3,14 @@ PACKAGE = "hand_control"
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from dynamic_reconfigure.parameter_generator_catkin import *
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gen = ParameterGenerator()
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gen.add("max_curvature", double_t, 0, "Maximum curvature of the estimated plane", 0.5, 0., 1.)
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gen.add("x_minimal_deviation", double_t, 0, "Absolute horizontal movement detection treshold", 0.05, 0.)
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gen.add("y_minimal_deviation", double_t, 0, "Absolute lateral movement detection treshold", 0.05, 0.)
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gen.add("x_minimal_deviation", double_t, 0, "Absolute horizontal movement detection treshold", 0.1, 0.)
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gen.add("y_minimal_deviation", double_t, 0, "Absolute lateral movement detection treshold", 0.1, 0.)
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gen.add("z_minimal_deviation", double_t, 0, "Absolute vertical movement detection treshold", 0.1, 0.)
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gen.add("neutral_alt", double_t, 0, "Reference altitude for vertical movement command", 0.8, 0.)
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gen.add("min_points_number", int_t, 0, "Minimal number of plane points needed for a valid estimation", 2000, 0)
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gen.add("min_points_number", int_t, 0, "Minimal number of plane points needed for a valid estimation", 1000, 0)
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gen.add("up_fact", double_t, 0, "Upward command amplification factor", 1.5, 1)
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gen.add("theta_minimal_deviation", double_t, 0, "Absolute angular movement detection treshold", 5., 0., 45.)
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gen.add("angle_vel", double_t, 0, "Angular velocity", 0.002, 0., 10.)
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gen.add("plan_vel", double_t, 0, "Translation velocity", 2, 0., 10.)
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gen.add("z_vel", double_t, 0, "Vertical translation velocity", 2, 0., 10.)
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gen.add("theta_minimal_deviation", double_t, 0, "Absolute angular movement detection treshold", 15., 0., 45.)
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gen.add("angle_vel", double_t, 0, "Angular velocity", 0.01, 0., 10.)
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gen.add("plan_vel", double_t, 0, "Translation velocity", 0.5, 0., 10.)
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gen.add("z_vel", double_t, 0, "Vertical translation velocity", 2., 0., 10.)
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exit(gen.generate(PACKAGE, "hand_control", "Commander"))
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16
cfg/Commander_atan.cfg
Executable file
16
cfg/Commander_atan.cfg
Executable file
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@ -0,0 +1,16 @@
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#!/usr/bin/env python
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PACKAGE = "hand_control"
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from dynamic_reconfigure.parameter_generator_catkin import *
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gen = ParameterGenerator()
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gen.add("max_curvature", double_t, 0, "Maximum curvature of the estimated plane", 0.5, 0., 1.)
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gen.add("neutral_alt", double_t, 0, "Reference altitude for vertical movement command", 0.8, 0.)
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gen.add("min_points_number", int_t, 0, "Minimal number of plane points needed for a valid estimation", 1000, 0)
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gen.add("p_x", double_t, 0, "x gradient in 0", 0.5, 0.)
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gen.add("p_y", double_t, 0, "y gradient in 0", 0.5, 0.)
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gen.add("p_z", double_t, 0, "z gradient in 0", 0.5, 0.)
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gen.add("p_th", double_t, 0, "th gradient in 0", 0.01, 0.)
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gen.add("x_min", double_t, 0, "min x coord to be published", 0.1, 0., 1.)
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gen.add("y_min", double_t, 0, "min y coord to be published", 0.1, 0., 1.)
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gen.add("z_min", double_t, 0, "min z coord to be published", 0.1, 0., 1.)
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gen.add("th_min", double_t, 0, "min th coord to be published", 0.1, 0., 1.)
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exit(gen.generate(PACKAGE, "hand_control", "Commander_atan"))
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140
src/commander_atan.cpp
Normal file
140
src/commander_atan.cpp
Normal file
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@ -0,0 +1,140 @@
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#include <ros/ros.h>
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#include <ros/time.h>
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#include <locale.h>
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#include <limits>
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#include <math.h>
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#include <assert.h>
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#include <pcl_ros/point_cloud.h>
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#include <pcl/point_types.h>
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#include <hand_control/Plan.h>
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#include <geometry_msgs/Twist.h>
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#include <math.h>
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#include <dynamic_reconfigure/server.h>
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#include <hand_control/Commander_atanConfig.h>
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#include "data.h"
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class Run
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{
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private:
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class Function
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{
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private:
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float t;
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static const float demi_pi;
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public:
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float operator()(float arg)
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{
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return atan(t * arg) / demi_pi;
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}
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Function() : t(demi_pi){}
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void set_t(float tt)
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{
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t = tt;
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}
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void set_p(float pp)
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// pp : gradient in 0
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{
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t = pp*demi_pi;
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}
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};
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Data<Function> f;
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Data<float> min;
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float neutral_z;
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float max_curv;
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uint64_t min_number;
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ros::Publisher pub;
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public:
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Run(const ros::Publisher& cmd_publisher) :
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pub(cmd_publisher) {
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f.x = f.y = f.z = f.th = Function();
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min.x = min.y = min.z = min.th = 0.1;
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}
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void callback(const hand_control::Plan::ConstPtr& msg)
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{
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ROS_INFO("plan received");
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Data<float> in, out;
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in.x = in.y = in.z = in.th = 0.;
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out.x = out.y = out.z = out.th = 0;
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if (msg->curvature < max_curv && msg->number > min_number)
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{
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if(msg->normal.z > 0)
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{
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in.y = msg->normal.x;
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in.x = msg->normal.y;
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} else {
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in.y = - msg->normal.x;
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in.x = - msg->normal.y;
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}
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in.z = msg->altitude - neutral_z;
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in.th = msg->angle;
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}
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geometry_msgs::Twist::Ptr mvt(new geometry_msgs::Twist());
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if (fabs(in.y) > fabs(in.x))
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{
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out.y = f.y(in.y);
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if (out.y > min.y)
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mvt->linear.y = out.y;
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} else { {
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out.x = f.x(in.x);
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if (out.x > min.x)
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mvt->linear.x = out.x;
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}
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out.z = f.z(in.z);
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if (out.z > min.z)
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mvt->linear.z = out.z;
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out.th = f.th(in.th);
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if (out.th > min.th)
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mvt->angular.z = out.th;
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pub.publish(mvt);
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ROS_INFO("cmd published");
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}
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}
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void reconfigure(const hand_control::Commander_atanConfig& c, const uint32_t& level)
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{
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max_curv = c.max_curvature;
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neutral_z = c.neutral_alt;
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min_number = c.min_points_number;
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f.x.set_p(c.p_x);
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f.y.set_p(c.p_y);
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f.z.set_p(c.p_z);
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f.th.set_p(c.p_th);
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min.x = c.x_min;
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min.y = c.y_min;
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min.z = c.z_min;
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min.th = c.th_min;
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}
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};
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int main(int argc, char** argv)
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{
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ros::init(argc, argv, "commander_atan");
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ros::NodeHandle node("commander_atan");
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ros::Publisher cmd_pub = node.advertise<geometry_msgs::Twist>("/cmd_vel", 1);
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Run run(cmd_pub);
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ros::Subscriber plan_sub = node.subscribe<hand_control::Plan>("input", 1, &Run::callback, &run);
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dynamic_reconfigure::Server<hand_control::Commander_atanConfig> server;
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dynamic_reconfigure::Server<hand_control::Commander_atanConfig>::CallbackType f;
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f = boost::bind(&Run::reconfigure, &run, _1, _2);
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server.setCallback(f);
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ROS_INFO("start spinning");
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ros::spin();
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return 0;
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}
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const float Run::Function::demi_pi = 2*atan(1.);
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9
src/data.h
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9
src/data.h
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@ -0,0 +1,9 @@
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#ifndef DATA_H
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#define DATA_H
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template <typename T>
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struct Data
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{
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public:
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T x, y, z, th;
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};
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#endif
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