void App::joint_states_cb(const sensor_msgs::JointStateConstPtr& msg){
pronto::force_torque_t force_torque;
appendFootSensor(force_torque);
bool send_est_robot_state = true;
if ( send_est_robot_state ){
pronto::robot_state_t m;
m.pose.translation.x =0;
m.pose.translation.y =0;
m.pose.translation.z =0.85;
m.pose.rotation.w = last_ins_quat_[0];
m.pose.rotation.x = last_ins_quat_[1];
m.pose.rotation.y = last_ins_quat_[2];
m.pose.rotation.z = last_ins_quat_[3];
m.utime = (int64_t) floor(msg->header.stamp.toNSec()/1000);
m.num_joints =msg->name.size();
m.joint_name = msg->name;
for (size_t i = 0; i < msg->name.size(); i++) {
m.joint_position.push_back( msg->position[ i ] );
m.joint_velocity.push_back( msg->velocity[ i ] );
m.joint_effort.push_back( msg->effort[ i ] );
}
m.force_torque = force_torque;
lcm_publish_.publish("EST_ROBOT_STATE", &m);
bot_core::pose_t p;
p.utime = m.utime;
p.pos[0]=0; p.pos[1]=0; p.pos[2]=0.85;
memcpy(p.orientation, last_ins_quat_, 4*sizeof(double) );
lcm_publish_.publish("POSE_BODY", &p);
}
bool send_atlas_robot_state = true;
if ( send_atlas_robot_state ){
pronto::atlas_state_t m;
m.utime = (int64_t) floor(msg->header.stamp.toNSec()/1000);
m.num_joints =msg->name.size();
for (size_t i = 0; i < msg->name.size(); i++) {
m.joint_position.push_back( msg->position[ i ] );
m.joint_velocity.push_back( msg->velocity[ i ] );
m.joint_effort.push_back( msg->effort[ i ] );
}
m.force_torque = force_torque;
lcm_publish_.publish("ATLAS_STATE", &m);
}
pronto::utime_t utime_msg;
int64_t joint_utime = (int64_t) msg->header.stamp.toNSec()/1000; // from nsec to usec
utime_msg.utime = joint_utime;
lcm_publish_.publish("ROBOT_UTIME", &utime_msg);
last_joint_state_utime_ = joint_utime;
}
void ForceAutonomousMode() {
// step 1: ask for a single trajectory
lcmt::tvlqr_controller_action trajectory_msg;
trajectory_msg.timestamp = GetTimestampNow();
trajectory_msg.trajectory_number = 0;
lcm_->publish("rc-trajectory-commands", &trajectory_msg);
ProcessAllLcmMessagesNoDelayedUpdate();
// step 2: send an autonmous mode signal
lcmt::timestamp autonomous_msg;
autonomous_msg.timestamp = GetTimestampNow();
lcm_->publish("state-machine-go-autonomous", &autonomous_msg);
ProcessAllLcmMessagesNoDelayedUpdate();
}
void App::imu_cb(const sensor_msgs::ImuConstPtr& msg){
imu_msg_ = *msg;
microstrain::ins_t m;
m.utime = (int64_t) floor(msg->header.stamp.toNSec()/1000);
m.device_time = (int64_t) floor(msg->header.stamp.toNSec()/1000);
m.gyro[0] = msg->angular_velocity.x;
m.gyro[1] = msg->angular_velocity.y;
m.gyro[2] = msg->angular_velocity.z;
m.mag[0]=0;
m.mag[1]=0;
m.mag[2]=0;
m.accel[0] = msg->linear_acceleration.x;
m.accel[1] = msg->linear_acceleration.y;
m.accel[2] = msg->linear_acceleration.z;
m.quat[0] = msg->orientation.w;
m.quat[1] = msg->orientation.x;
m.quat[2] = msg->orientation.y;
m.quat[3] = msg->orientation.z;
m.pressure = 0;
m.rel_alt =0 ;
lcm_publish_.publish("MICROSTRAIN_INS", &m);
memcpy(last_ins_quat_, m.quat, 4*sizeof(double) );
}
void rgb_tool::kinectHandler(const lcm::ReceiveBuffer* rbuf, const std::string& channel, const kinect::frame_msg_t* msg){
bot_core::image_t lcm_img;
lcm_img.utime =msg->image.timestamp;
lcm_img.width =msg->image.width;
lcm_img.height =msg->image.height;
lcm_img.nmetadata =0;
int n_colors = 3;
lcm_img.row_stride=n_colors*msg->image.width;
if (msg->image.image_data_format == kinect::image_msg_t::VIDEO_RGB){
lcm_img.pixelformat =bot_core::image_t::PIXEL_FORMAT_RGB;
lcm_img.size = msg->image.image_data_nbytes;
lcm_img.data = msg->image.image_data;
}else if (msg->image.image_data_format == kinect::image_msg_t::VIDEO_RGB_JPEG){
lcm_img.data = msg->image.image_data;
lcm_img.size = msg->image.image_data_nbytes;
lcm_img.pixelformat = bot_core::image_t::PIXEL_FORMAT_MJPEG;
}else{
std::cout << "Format not recognized: " << msg->image.image_data_format << std::endl;
}
lcm_->publish("KINECT_RGB", &lcm_img);
}
void updateStateThread() {
while(0 == lcm1.handle()) {
x0.at(0,0) = current_state.position[0]/1000.0;
x0.at(3,0) = current_state.position[1]/1000.0;
x0.at(6,0) = -(current_state.position[2]/1000.0 + simu_height) + better_height;
x0.at(1,0) = current_state.velocity[0];
x0.at(4,0) = current_state.velocity[1];
x0.at(7,0) = -current_state.velocity[2];
accumu_err_x = accumu_err_x + x0.at(0,0) * dT;
accumu_err_y = accumu_err_y + x0.at(3,0) * dT;
accumu_err_z = accumu_err_z + x0.at(6,0) * dT;
x0.at(2,0) = accumu_err_x;
x0.at(5,0) = accumu_err_y;
x0.at(8,0) = accumu_err_z;
usleep(5e4);
// cout <<__LINE__<<endl;
}
}
void stopRobot()
{
cmdvel_.linear_velocity.x = 0.0;
cmdvel_.linear_velocity.y = 0.0;
cmdvel_.linear_velocity.z = 0.0;
cmdvel_.angular_velocity.x = 0.0;
cmdvel_.angular_velocity.y = 0.0;
cmdvel_.angular_velocity.z = 0.0;
lcm.publish("NAV_CMDS", &cmdvel_);
//pub_.publish(cmdvel_);
}
void SendStereoManyPointsTriple(vector<float> x_in, vector<float> y_in, vector<float> z_in) {
lcmt::stereo msg;
msg.timestamp = GetTimestampNow();
vector<float> x, y, z;
vector<unsigned char> grey;
for (int i = 0; i < (int)x_in.size(); i++) {
double this_point[3];
this_point[0] = x_in[i];
this_point[1] = y_in[i];
this_point[2] = z_in[i];
double point_transformed[3];
GlobalToCameraFrame(this_point, point_transformed);
//std::cout << "Point: (" << point_transformed[0] << ", " << point_transformed[1] << ", " << point_transformed[2] << ")" << std::endl;
x.push_back(point_transformed[0]);
y.push_back(point_transformed[1]);
z.push_back(point_transformed[2]);
grey.push_back(0);
x.push_back(point_transformed[0]);
y.push_back(point_transformed[1]);
z.push_back(point_transformed[2]);
grey.push_back(0);
x.push_back(point_transformed[0]);
y.push_back(point_transformed[1]);
z.push_back(point_transformed[2]);
grey.push_back(0);
}
msg.x = x;
msg.y = y;
msg.z = z;
msg.grey = grey;
msg.number_of_points = x.size();
msg.video_number = 0;
msg.frame_number = 0;
lcm_->publish("stereo", &msg);
}
bool waitForLCM(lcm::LCM& lcm, double timeout) {
int lcmFd = lcm.getFileno();
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = timeout * 1e6;
fd_set fds;
FD_ZERO(&fds);
FD_SET(lcmFd, &fds);
int status = select(lcmFd + 1, &fds, 0, 0, &tv);
if (status == -1 && errno != EINTR) {
std::cout << "select() returned error: " << errno << std::endl;
} else if (status == -1 && errno == EINTR) {
std::cout << "select() interrupted" << std::endl;
}
return (status > 0 && FD_ISSET(lcmFd, &fds));
}
void ErraticKeyboardTeleopNode::keyboardLoop()
{
char c;
double max_tv_forward = walk_vel_;
double max_tv_strafe = walk_vel_;
double max_rv = yaw_rate_;
bool dirty = false;
int speed = 0;
int turn = 0;
// get the console in raw mode
tcgetattr(kfd, &cooked);
memcpy(&raw, &cooked, sizeof(struct termios));
raw.c_lflag &=~ (ICANON | ECHO);
raw.c_cc[VEOL] = 1;
raw.c_cc[VEOF] = 2;
tcsetattr(kfd, TCSANOW, &raw);
puts("Reading from keyboard");
puts("Use Q E keys to strafe left/right");
puts("Use WASD keys to control the robot");
puts("Press Shift to move faster");
struct pollfd ufd;
ufd.fd = kfd;
ufd.events = POLLIN;
for(;;)
{
boost::this_thread::interruption_point();
// get the next event from the keyboard
int num;
if ((num = poll(&ufd, 1, 450)) < 0)
{
perror("poll():");
return;
}
else if(num > 0)
{
if(read(kfd, &c, 1) < 0)
{
perror("read():");
return;
}
}
else
{
if (dirty == true)
{
stopRobot();
dirty = false;
}
continue;
}
switch(c)
{
case KEYCODE_W:
max_tv_forward = walk_vel_;
max_tv_strafe = 0;
speed = 1;
turn = 0;
dirty = true;
break;
case KEYCODE_S:
max_tv_forward = walk_vel_;
max_tv_strafe = 0;
speed = -1;
turn = 0;
dirty = true;
break;
case KEYCODE_Q:
max_tv_forward = 0;
max_tv_strafe = walk_vel_;
speed = 1;
turn = 0;
dirty = true;
break;
case KEYCODE_E:
max_tv_forward = 0;
max_tv_strafe = walk_vel_;
speed = -1;
turn = 0;
dirty = true;
break;
case KEYCODE_A:
max_rv = yaw_rate_;
speed = 0;
turn = 1;
dirty = true;
break;
case KEYCODE_D:
max_rv = yaw_rate_;
speed = 0;
turn = -1;
dirty = true;
break;
case KEYCODE_W_CAP:
max_tv_forward = run_vel_;
max_tv_strafe = 0;
speed = 1;
turn = 0;
dirty = true;
break;
case KEYCODE_S_CAP:
max_tv_forward = run_vel_;
max_tv_strafe = 0;
speed = -1;
turn = 0;
dirty = true;
break;
case KEYCODE_Q_CAP:
max_tv_forward = 0;
max_tv_strafe = run_vel_;
speed = 1;
turn = 0;
dirty = true;
break;
case KEYCODE_E_CAP:
max_tv_forward =run_vel_;
max_tv_strafe = 0;
speed = -1;
turn = 0;
dirty = true;
break;
case KEYCODE_A_CAP:
max_rv = yaw_rate_run_;
max_tv_strafe = 0;
speed = 0;
turn = 1;
dirty = true;
break;
case KEYCODE_D_CAP:
max_rv = yaw_rate_run_;
max_tv_strafe = 0;
speed = 0;
turn = -1;
dirty = true;
break;
default:
max_tv_forward = walk_vel_;
max_rv = yaw_rate_;
speed = 0;
turn = 0;
dirty = false;
}
cmdvel_.linear_velocity.x = speed * max_tv_forward; //fwd
cmdvel_.linear_velocity.y = speed * max_tv_strafe; //strafe
cmdvel_.angular_velocity.z = turn * max_rv;
lcm.publish("NAV_CMDS", &cmdvel_);
//pub_.publish(cmdvel_);
}
}
void UnsubscribeLcmChannels() {
lcm_->unsubscribe(pose_sub_);
lcm_->unsubscribe(stereo_sub_);
lcm_->unsubscribe(rc_traj_sub_);
lcm_->unsubscribe(go_auto_sub_);
}
void SubscribeLcmChannels(StateMachineControl *fsm_control) {
pose_sub_ = lcm_->subscribe(pose_channel_, &StateMachineControl::ProcessImuMsg, fsm_control);
stereo_sub_ = lcm_->subscribe(stereo_channel_, &StateMachineControl::ProcessStereoMsg, fsm_control);
rc_traj_sub_ = lcm_->subscribe(rc_trajectory_commands_channel_, &StateMachineControl::ProcessRcTrajectoryMsg, fsm_control);
go_auto_sub_ = lcm_->subscribe(state_machine_go_autonomous_channel_, &StateMachineControl::ProcessGoAutonomousMsg, fsm_control);
}
void ProcessAllLcmMessagesNoDelayedUpdate() {
while (NonBlockingLcm(lcm_->getUnderlyingLCM())) {}
}
void App::data_cb(const atlas_hardware_interface::AtlasPrefilterConstPtr& msg){
if (js_counter%500 ==0){
std::cout << "J ST " << js_counter << "\n";
}
js_counter++;
int64_t utime = (int64_t) floor(msg->filtered_imu.header.stamp.toNSec()/1000);
// 1....................................
pronto::atlas_behavior_t msg_out;
msg_out.utime = utime;
msg_out.behavior = (int) msg->current_behavior.state;
lcm_publish_.publish("ATLAS_BEHAVIOR", &msg_out);
// 2....................................
bot_core::pose_t pose_msg;
pose_msg.utime = utime;
pose_msg.pos[0] = msg->pos_est.position.x;
pose_msg.pos[1] = msg->pos_est.position.y;
pose_msg.pos[2] = msg->pos_est.position.z;
// what about orientation in imu msg?
pose_msg.orientation[0] = msg->filtered_imu.orientation.w;
pose_msg.orientation[1] = msg->filtered_imu.orientation.x;
pose_msg.orientation[2] = msg->filtered_imu.orientation.y;
pose_msg.orientation[3] = msg->filtered_imu.orientation.z;
// This transformation is NOT correct for Trooper
// April 2014: added conversion to body frame - so that both rates are in body frame
Eigen::Matrix3d R = Eigen::Matrix3d( Eigen::Quaterniond( msg->filtered_imu.orientation.w, msg->filtered_imu.orientation.x,
msg->filtered_imu.orientation.y, msg->filtered_imu.orientation.z ));
Eigen::Vector3d lin_body_vel = R*Eigen::Vector3d ( msg->pos_est.velocity.x, msg->pos_est.velocity.y,
msg->pos_est.velocity.z );
pose_msg.vel[0] = lin_body_vel[0];
pose_msg.vel[1] = lin_body_vel[1];
pose_msg.vel[2] = lin_body_vel[2];
// this is the body frame rate
pose_msg.rotation_rate[0] = msg->filtered_imu.angular_velocity.x;
pose_msg.rotation_rate[1] = msg->filtered_imu.angular_velocity.y;
pose_msg.rotation_rate[2] = msg->filtered_imu.angular_velocity.z;
// Frame?
pose_msg.accel[0] = msg->filtered_imu.linear_acceleration.x;
pose_msg.accel[1] = msg->filtered_imu.linear_acceleration.y;
pose_msg.accel[2] = msg->filtered_imu.linear_acceleration.z;
lcm_publish_.publish("POSE_BDI", &pose_msg);
lcm_publish_.publish("POSE_BODY", &pose_msg); // for now
// 3..........................................
pronto::atlas_state_t js_out;
js_out.utime = (int64_t) utime;
int n_joints = 28;
js_out.joint_position.assign(n_joints , std::numeric_limits<int>::min() );
js_out.joint_velocity.assign(n_joints , std::numeric_limits<int>::min() );
js_out.joint_effort.assign(n_joints , std::numeric_limits<int>::min() );
js_out.num_joints = n_joints;
for (std::vector<int>::size_type i = 0; i < n_joints; i++) {
js_out.joint_position[i] = msg->j[i].q;
js_out.joint_velocity[i] = msg->j[i].qd;
js_out.joint_effort[i] = msg->j[i].f;
}
// Append FT sensor info
pronto::force_torque_t ft_out;
ft_out.l_foot_force_z = msg->foot_sensors[0].force.z;
ft_out.l_foot_torque_x = msg->foot_sensors[0].torque.x;
ft_out.l_foot_torque_y = msg->foot_sensors[0].torque.y;
ft_out.r_foot_force_z = msg->foot_sensors[1].force.z;
ft_out.r_foot_torque_x = msg->foot_sensors[1].torque.x;
ft_out.r_foot_torque_y = msg->foot_sensors[1].torque.y;
ft_out.l_hand_force[0] = 0;
ft_out.l_hand_force[1] = 0;
ft_out.l_hand_force[2] = 0;
ft_out.l_hand_torque[0] = 0;
ft_out.l_hand_torque[1] = 0;
ft_out.l_hand_torque[2] = 0;
ft_out.r_hand_force[0] = 0;
ft_out.r_hand_force[1] = 0;
ft_out.r_hand_force[2] = 0;
ft_out.r_hand_torque[0] = 0;
ft_out.r_hand_torque[1] = 0;
ft_out.r_hand_torque[2] = 0;
js_out.force_torque = ft_out;
lcm_publish_.publish("ATLAS_STATE", &js_out);
// 4........................................................
pronto::utime_t utime_msg;
int64_t joint_utime = (int64_t) utime;
utime_msg.utime = utime;
lcm_publish_.publish("ROBOT_UTIME", &utime_msg);
// 5........................................................
pronto::atlas_raw_imu_batch_t imu;
imu.utime = (int64_t) utime;
imu.num_packets = 15;
for (size_t i=0; i < 15 ; i++){
pronto::atlas_raw_imu_t raw;
raw.utime = (int64_t) floor(msg->raw_imu[i].imu_timestamp.toNSec()/1000);
raw.packet_count = msg->raw_imu[i].packet_count;
raw.delta_rotation[0] = msg->raw_imu[i].da.x;
raw.delta_rotation[1] = msg->raw_imu[i].da.y;
raw.delta_rotation[2] = msg->raw_imu[i].da.z;
raw.linear_acceleration[0] = msg->raw_imu[i].dd.x;
raw.linear_acceleration[1] = msg->raw_imu[i].dd.y;
raw.linear_acceleration[2] = msg->raw_imu[i].dd.z;
imu.raw_imu.push_back( raw );
}
lcm_publish_.publish( ("ATLAS_IMU_BATCH") , &imu);
}
int main()
{
if(!lcm1.good()) return 1;
VideoCapture cap(1);
cap >> frame;
start_time = utime_now();
float x=0,y=0,z=0;
int estPixel;
//Temporary local variables
Rect trackWindow;
int hsize = 16;
float hranges[] = {0,180};
const float* phranges = hranges;
Mat hsv, hue, mask, hist, histimg = Mat::zeros(200, 320, CV_8UC3), backproj;
bool paused = false;
int _vmin,_vmax;
namedWindow( "CamShift Demo", 1 );
setMouseCallback( "CamShift Demo", onMouse, 0 );
while(!frame.empty())
{
RotatedRect trackBox;
if( !paused )
{
//resize(frame,frame,Size(FRAME_W,FRAME_H));
frame_number = cap.get(CV_CAP_PROP_POS_FRAMES);
}
frame.copyTo(image);
if( !paused )
{
cvtColor(image, hsv, COLOR_BGR2HSV);
if( trackObject )
{
_vmin = CAM_VMIN, _vmax = CAM_VMAX;
inRange(hsv, Scalar(0, CAM_SMIN, MIN(_vmin,_vmax)),
Scalar(180, 256, MAX(_vmin, _vmax)), mask);
int ch[] = {0, 0};
hue.create(hsv.size(), hsv.depth());
mixChannels(&hsv, 1, &hue, 1, ch, 1);
if( trackObject < 0 )
{
destroyAllWindows();
Mat roi(hue, selection), maskroi(mask, selection);
calcHist(&roi, 1, 0, maskroi, hist, 1, &hsize, &phranges);
normalize(hist, hist, 0, 255, CV_MINMAX);
trackWindow = selection;
trackObject = 1;
histimg = Scalar::all(0);
int binW = histimg.cols / hsize;
Mat buf(1, hsize, CV_8UC3);
for( int i = 0; i < hsize; i++ )
buf.at<Vec3b>(i) = Vec3b(saturate_cast<uchar>(i*180./hsize), 255, 255);
cvtColor(buf, buf, CV_HSV2BGR);
for( int i = 0; i < hsize; i++ )
{
int val = saturate_cast<int>(hist.at<float>(i)*histimg.rows/255);
rectangle( histimg, Point(i*binW,histimg.rows),Point((i+1)*binW,histimg.rows - val),Scalar(buf.at<Vec3b>(i)), -1, 8 );
}
}
calcBackProject(&hue, 1, 0, hist, backproj, &phranges);
backproj &= mask;
trackBox = CamShift(backproj, trackWindow,
TermCriteria( CV_TERMCRIT_EPS | CV_TERMCRIT_ITER, 10, 1 ));
if( trackWindow.area() <= 1 )
{
int cols = backproj.cols, rows = backproj.rows, r = (MIN(cols, rows) + 5)/6;
trackWindow = Rect(trackWindow.x - r, trackWindow.y - r,trackWindow.x + r, trackWindow.y + r) &Rect(0, 0, cols, rows);
if (trackWindow.area() == 0)
trackWindow = Rect(360,240,100,100);
}
rectangle(image,trackBox.boundingRect(),Scalar(0,0,255),3);
}
if( backprojMode )
cvtColor( backproj, image, COLOR_GRAY2BGR );
else if( trackObject < 0 )
paused = false;
if( selectObject && selection.width > 0 && selection.height > 0 )
{
Mat roi(image, selection);
bitwise_not(roi, roi);
}
imshow( "CamShift Demo", image );
waitKey(10);
char c = (char)waitKey(30);
if( c == 27 )
exit(0);
switch(c)
{
case 'b':
backprojMode = !backprojMode;
break;
case 'c':
trackObject = 0;
histimg = Scalar::all(0);
break;
case 'h':
showHist = !showHist;
if( !showHist )
destroyWindow( "Histogram" );
else
namedWindow( "Histogram", 1 );
break;
case 'p':
paused = !paused;
break;
default:
;
}
if(!paused)
{
estPixel = trackBox.boundingRect().width;
if(estPixel!=1)
{
z = hgtEst(estPixel,0.0025,3.31,177.8);
x = persProj(trackBox.boundingRect().x+((trackBox.boundingRect().width)/2.0), z, 1325.55);
y = persProj(trackBox.boundingRect().y+((trackBox.boundingRect().height)/2.0),z, 1325.55);
}
else
{
x=0;y=0;z=0;
}
cap >> frame;
end_time = utime_now();
time_diff = end_time - start_time;
// cout<<time_diff<<endl;
start_time = end_time;
vision_msg.timestamp = utime_now();
vision_msg.velocity[0] = (vision_msg.position[0] - x)/time_diff*1000;
vision_msg.velocity[1] = (vision_msg.position[1] - y)/time_diff*1000;
vision_msg.velocity[2] = (vision_msg.position[2] - z)/time_diff*1000;
vision_msg.position[0] = x;
vision_msg.position[1] = y;
vision_msg.position[2] = z;
lcm1.publish("vision state", &vision_msg);
if( frame.empty() )
break;
}
}
int main() {
if(!lcm1.good())
return 1;
lcm1.subscribe("vicon_state", &Handler::handleMessage, &handlerObject);
initialize_Matrices();
// initial conditions
mat tmp0;
tmp0 = {0, 0, 0, 1.2, 0, 0, 1.3, 0, 0, 0, 0, 0};
tmp0 = trans(tmp0);
mat z0(12*HORIZON, 1);
mat beq(9*HORIZON,1);
x0 = {1, 0, 0, 1, 0, 0, 0, 0, 0};
x0 = trans(x0);
//for testing purpose
float noise_mu = 0.0001;
mat noise = noise_mu * x0;
mat beqFirstHorizon = A_d_all*x0 + noise;
for(int i = 0; i < 9; i++) {
beq(i,0) = beqFirstHorizon(i, 0);
}
for(int i = 0; i < 12; i ++) {
z0(i,0) = tmp0(i,0);
}
// set the values of entrices of beq for other horizons
for(int i = 9; i < HORIZON*9; i ++) {
beq(i, 0) = noise(i%9,0);
}
for (int i = 12; i < HORIZON*12; i++) {
z0(i,0) = tmp0(i%12,0);
}
mat v0 = 0.05 * randi<mat>(9*HORIZON, 1, distr_param(0, 20));
mat z = z0;
mat v = v0;
vec r(21);
r.ones();
vec r_d(12*HORIZON);
vec r_p(9*HORIZON);
float w_r_p = 1e-4;
float w_d_p = 1e-4;
int loop_num = 0;
float fval;
float x, y, z_h;
mat HESSIAN, GRADIENT;
float u1, u2, u3, h;
float tmp_denum_grad_x_1, tmp_denum_grad_x_2, tmp_denum_grad_y_1, tmp_denum_grad_y_2;
float d_phi_dx, d_phi_dy, d_phi_dz;
float d_phi_du1, d_phi_du2, d_phi_du3;
float tmp_denum_x_1, tmp_denum_x_2, tmp_denum_y_1, tmp_denum_y_2;
float dd_phi_dxdx, dd_phi_dxdz, dd_phi_dydy, dd_phi_dydz, dd_phi_dzdz;
float dd_phi_du1du1, dd_phi_du2du2, dd_phi_du3du3;
// infeasible start newton method params
vec d_v, d_z, beta;
mat inv_PHI, Y;
//linear search parameters
float beta_line_search; //parameter
float d; //step size
vec line_search_tmp;
clock_t start;
double duration;
start = clock();
thread first(updateStateThread);
while(1) {
start = clock();
beqFirstHorizon = A_d_all*x0 + noise;
for(int i = 0; i < 9; i++) {
beq(i,0) = beqFirstHorizon(i, 0);
}
while(norm(r) > 1e-4) {
duration = ( clock() - start ) / (double) CLOCKS_PER_SEC;
if(duration > 0.2) {
continue;
}
fval = dot(trans(z), (H * z));
HESSIAN.zeros(12*HORIZON, 12*HORIZON);
GRADIENT.zeros(12*HORIZON, 1);
for (int i = 0; i < HORIZON; i++) {
x = z.at(3 + i * 12);
y = z.at(6 + i * 12);
z_h = z.at(9 + i * 12);
u1 = z.at(0 + 12 * i);
u2 = z.at(1 + 12 * i);
u3 = z.at(2 + 12 * i);
h = -z_h + better_height;
tmp_denum_grad_x_1 = h*tan_half_phi - x;
tmp_denum_grad_x_2 = h*tan_half_phi + x;
tmp_denum_grad_y_1 = h*tan_half_psi - y;
tmp_denum_grad_y_2 = h*tan_half_psi + y;
d_phi_dx = 1/tmp_denum_grad_x_1 - 1/tmp_denum_grad_x_2;
d_phi_dy = 1/tmp_denum_grad_y_1 - 1/tmp_denum_grad_y_2;
d_phi_dz = 1/(z_max - z_h) - 1/(z_h - z_min) + tan_half_phi/tmp_denum_grad_x_1 + tan_half_phi/tmp_denum_grad_x_2
+ tan_half_psi/tmp_denum_grad_y_1 + tan_half_psi/tmp_denum_grad_y_2;
d_phi_du1 = 1/(u1_max - u1) - 1/(u1 - u1_min);
d_phi_du2 = 1/(u2_max - u2) - 1/(u2 - u2_min);
d_phi_du3 = 1/(u3_max - u3) - 1/(u3 - u3_min);
GRADIENT.at(i*12) = mu_u*d_phi_du1;
GRADIENT.at(i*12 + 1) = mu_u*d_phi_du2;
GRADIENT.at(i*12 + 2) = mu_u*d_phi_du3;
GRADIENT.at(i*12 + 3) = mu_state*d_phi_dx;
GRADIENT.at(i*12 + 6) = mu_state*d_phi_dy;
GRADIENT.at(i*12 + 9) = mu_state*d_phi_dz;
tmp_denum_x_1 = (h*tan_half_phi - x)*(h*tan_half_phi - x);
tmp_denum_x_2 = (h*tan_half_phi + x)*(h*tan_half_phi + x);
tmp_denum_y_1 = (h*tan_half_psi - y)*(h*tan_half_psi - y);
tmp_denum_y_2 = (h*tan_half_psi + y)*(h*tan_half_psi + y);
dd_phi_dxdx = 1/tmp_denum_x_1 + 1/tmp_denum_x_2;
dd_phi_dxdz = tan_half_phi/tmp_denum_x_1 - tan_half_phi/tmp_denum_x_2;
dd_phi_dydy = 1/tmp_denum_y_1 + 1/tmp_denum_y_2;
dd_phi_dydz = tan_half_psi/tmp_denum_y_1 - tan_half_psi/tmp_denum_y_2;
dd_phi_dzdz = 1/(z_max - z_h)/(z_max - z_h) + 1/(z_h - z_min)/(z_h - z_min) + tan_half_phi*tan_half_phi/tmp_denum_x_1
+ tan_half_phi*tan_half_phi/tmp_denum_x_2 + tan_half_psi*tan_half_psi/tmp_denum_y_1 + tan_half_psi*tan_half_psi/tmp_denum_y_2;
dd_phi_du1du1 = 1/(u1_max - u1)/(u1_max - u1) + 1/(u1 - u1_min)/(u1 - u1_min);
dd_phi_du2du2 = 1/(u2_max - u2)/(u2_max - u2) + 1/(u2 - u2_min)/(u2 - u2_min);
dd_phi_du3du3 = 1/(u3_max - u3)/(u3_max - u3) + 1/(u3 - u3_min)/(u3 - u3_min);
HESSIAN.at(12*i, 12*i) = mu_u*dd_phi_du1du1;
HESSIAN.at(12*i + 1, 12*i + 1) = mu_u*dd_phi_du2du2;
HESSIAN.at(12*i + 2, 12*i + 2) = mu_u*dd_phi_du3du3;
HESSIAN.at(12*i + 3, 12*i + 3) = mu_state*dd_phi_dxdx;
HESSIAN.at(12*i + 3, 12*i + 9) = mu_state*dd_phi_dxdz;
HESSIAN.at(12*i + 6, 12*i + 6) = mu_state*dd_phi_dydy;
HESSIAN.at(12*i + 6, 12*i + 9) = mu_state*dd_phi_dydz;
HESSIAN.at(12*i + 9, 12*i + 9) = mu_state*dd_phi_dzdz;
HESSIAN.at(12*i + 9, 12*i + 3) = mu_state*dd_phi_dxdz;
HESSIAN.at(12*i + 9, 12*i + 6) = mu_state*dd_phi_dydz;
}
r_d = 2*H*z + GRADIENT + trans(C)*v;
r_p = C*z - beq;
r = r_d;
r.insert_rows(12*HORIZON, r_p);
// start = clock();
inv_PHI = inv(2*H + HESSIAN);
// duration = ( clock() - start ) / (double) CLOCKS_PER_SEC;
// cout<<"duration: " <<duration <<endl;
// return 0;
// inv_PHI.print("inv_PHI");
// C.print("C");
Y = C*inv_PHI*C.t();
// Y.print("Y");
beta = -r_p + C*inv_PHI*r_d;
d_v = -inv_sympd(Y)*beta;
d_z = inv_PHI*(-r_d - C.t()*d_v);
// line search
beta_line_search = 0.5;
d = 1;
line_search_tmp = 2*H*(z + d*d_z) + GRADIENT + C.t()*(v + d*d_v);
line_search_tmp.insert_rows(line_search_tmp.n_rows, (C*(z + d*d_z)-beq));
while(norm(line_search_tmp) > (1 - 0.4*d)*norm(r) ) {
d = beta_line_search*d;
}
// update z and v
z = z + d*d_z;
v = v + d*d_v;
// r.print("r");
// cout<<__LINE__<<endl;
}
accel_msg.timestamp = utime_now();
accel_msg.accel[0] = z(0);
accel_msg.accel[1] = z(1);
accel_msg.accel[2] = z(2);
lcm1.publish("acceleration", &accel_msg);
cout<<"duration: " <<duration <<endl;
r.ones();
usleep(5e4);
}
first.join();
cout<<"control:u1 u2 u3 " <<z(0,0)<<", " <<z(1,0) <<", " <<z(2,0)<<endl;
}