Exemplo n.º 1
0
from math import pi

from aquacore.msg import AutopilotModes
from autopilot_client import AutopilotClient
import dynamic_reconfigure.client

if __name__ == '__main__':

    rospy.init_node('choreography_node')
    depth_params = {}
    depth_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH

    angle_params = {}
    angle_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST

    ac = AutopilotClient(angle_params)

    forward_speed = 0.8
    loop_duration = 20.0

    print 'Vertical Loop'
    yaw_rate = 0.0
    pitch_rate = 360.0 / loop_duration
    roll_rate = 0.0
    ac.smoothly_changing_forward_trajectory(loop_duration, forward_speed,
                                            roll_rate, pitch_rate, yaw_rate)

    print 'Sideways Looping Corkscrew'
    yaw_rate = 360.0 / loop_duration
    roll_rate = 20.0
    ac.smoothly_changing_forward_fixed_depth_trajectory(
Exemplo n.º 2
0
import tf
from math import pi

from aquacore.msg import AutopilotModes
from autopilot_client import AutopilotClient

if __name__ == '__main__':

    rospy.init_node('lateral')

    dt_in_sec = rospy.Duration(float(rospy.get_param('~duration', 15)))

    params = {}
    params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH
    #params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST
    ac = AutopilotClient(params)

    roll_in_deg = 90
    pitch_in_deg = 0

    try:

        print 'Going laterally'
        rpy_from_imu_to_global = ac.get_rpy_of_imu_in_global()
        target_depth = ac.current_depth
        target_angles = [
            roll_in_deg, pitch_in_deg, rpy_from_imu_to_global[2] * 180 / pi
        ]
        vx = 0
        vz = -0.8
Exemplo n.º 3
0

def get_target_angles(rpy_from_imu_to_global, roll_in_deg):
    target_angles_in_deg = [
        roll_in_deg, 0, rpy_from_imu_to_global[2] * 180 / pi
    ]
    return target_angles_in_deg


if __name__ == '__main__':

    rospy.init_node('uturn')
    params = {}
    params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH
    #params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST
    ac = AutopilotClient(params)
    roll_in_deg = 0

    try:

        print 'Going straight'
        rpy_from_imu_to_global = ac.get_rpy_of_imu_in_global()
        target_depth = ac.current_depth
        target_angles = get_target_angles(rpy_from_imu_to_global, roll_in_deg)
        dt_in_sec = rospy.Duration(10)
        vx = 0.8
        vz = 0

        ac.do_straight_line(dt_in_sec, target_angles, target_depth, vx, vz)

        print 'Now turning 180 in yaw'
Exemplo n.º 4
0
import roslib
roslib.load_manifest('aquaautopilot')
import rospy
import tf
from math import pi

from aquacore.msg import AutopilotModes
from autopilot_client import AutopilotClient

if __name__ == '__main__':

    rospy.init_node('corkscrew')
    params = {}
    params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH
    #params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST
    ac = AutopilotClient(params)

    try:

        rpy_from_imu_to_global = ac.get_rpy_of_imu_in_global()
        target_depth = ac.current_depth
        wx_in_deg_per_sec = 40
        dt_in_sec = rospy.Duration(30)
        vx = 0.8
        vz = 0
        ac.do_corkscrew(dt_in_sec, target_depth, vx, vz, wx_in_deg_per_sec)

    except (tf.LookupException, tf.ConnectivityException,
            tf.ExtrapolationException) as e:
        print e
Exemplo n.º 5
0
roslib.load_manifest('aquaautopilot')
import rospy
import tf
from math import pi

from std_srvs.srv import Empty as EmptySrv
from aquacore.srv import IsCalibrated
from aquacore.msg import AutopilotModes
from autopilot_client import AutopilotClient

if __name__ == '__main__':
    rospy.init_node('coverage_ap_controller')
    params = {}
    params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH
    #params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST
    ac = AutopilotClient(params)

    # check if is calibrated
    '''doesn't always work correctly in the water, and will always be manually
       calibrated, so leave this out for now -- arnold                        '''
    '''rospy.loginfo('Waiting for /aqua/calibrate and /aqua/is_calibrated...')
    rospy.wait_for_service('/aqua/calibrate')
    rospy.wait_for_service('/aqua/is_calibrated')
    call_calibrate = rospy.ServiceProxy('/aqua/calibrate', EmptySrv)
    call_is_calibrated = rospy.ServiceProxy('/aqua/is_calibrated', IsCalibrated)
    try:
      resp = call_is_calibrated()
      if not resp.value:
        rospy.loginfo('autocalibrating robot...')
        call_calibrate()
      else:
Exemplo n.º 6
0
from math import pi

from aquacore.msg import AutopilotModes
from autopilot_client import AutopilotClient
import dynamic_reconfigure.client

if __name__ == '__main__':

    rospy.init_node('choreography_node')
    depth_params = {}
    depth_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH

    angle_params = {}
    angle_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST

    ac = AutopilotClient(angle_params)

    client = dynamic_reconfigure.client.Client("/localAP", timeout=5)

    roll_in_deg = 90
    pitch_in_deg = 0

    knife_edge_params = {
        'ROLL_P_GAIN': 1.0,
        'PITCH_P_GAIN': 2.0,
        'YAW_P_GAIN': -3.5,
        'ROLL_D_GAIN': 0.0,
        'PITCH_D_GAIN': 0.0,
        'YAW_D_GAIN': -1.5,
        'KDEPTH': -1.3,
        'DEPTH_D_GAIN': -1.5,
from autopilot_client import AutopilotClient
import dynamic_reconfigure.client

square_side_duration = 5.0
square_side_speed = 0.9

if __name__ == '__main__':

    rospy.init_node('choreography_node')
    depth_params = {}
    depth_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH

    angle_params = {}
    angle_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST

    ac = AutopilotClient(angle_params)

    client = dynamic_reconfigure.client.Client("/localAP", timeout=5)

    roll_in_deg = 90
    pitch_in_deg = 0

    knife_edge_params = {
        'ROLL_P_GAIN': 1.0,
        'PITCH_P_GAIN': 2.0,
        'YAW_P_GAIN': -3.5,
        'ROLL_D_GAIN': 0.0,
        'PITCH_D_GAIN': 0.0,
        'YAW_D_GAIN': -1.5,
        'KDEPTH': -1.3,
        'DEPTH_D_GAIN': -1.5,
Exemplo n.º 8
0
from autopilot_client import AutopilotClient  
import dynamic_reconfigure.client

if __name__ == '__main__':
    
    rospy.init_node('tag_trajectory_node')
    
    trajectory_filename = rospy.get_param('~trajectory_filename')
    
    depth_params = {}
    depth_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH

    angle_params = {}
    angle_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST

    ac = AutopilotClient(angle_params)
     
    client = dynamic_reconfigure.client.Client("/localAP", timeout=5 )
        
    knife_edge_params = { 'ROLL_P_GAIN' : 1.0, 
                          'PITCH_P_GAIN' : 2.0,
                          'YAW_P_GAIN' : -3.5,
                          'ROLL_D_GAIN' : 0.0,
                          'PITCH_D_GAIN' : 0.0,
                          'YAW_D_GAIN' : -1.5,
                          'KDEPTH' : -1.3,
                          'DEPTH_D_GAIN' : -1.5,
                          'DEPTH_D_FILTER_PERIOD' : 0.6 }
    

    client.update_configuration(knife_edge_params)
    def __init__(self, speed, forward_swim_time, sea_floor_depth, deck_depth,
                 hold_depth, tag_dead_zone, do_swimmer_turn):
        rospy.loginfo('In ShipProgram init')
        self.depth_params = {}
        self.depth_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH

        self.angle_params = {}
        self.angle_params[
            'mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST

        self.ac = AutopilotClient(self.depth_params)

        self.client = dynamic_reconfigure.client.Client("/localAP", timeout=5)

        self.knife_edge_params = {
            'ROLL_P_GAIN': 1.0,
            'PITCH_P_GAIN': 2.0,
            'YAW_P_GAIN': -3.5,
            'ROLL_D_GAIN': 0.0,
            'PITCH_D_GAIN': 0.0,
            'YAW_D_GAIN': -1.5,
            'KDEPTH': -1.3,
            'DEPTH_D_GAIN': -1.5,
            'DEPTH_D_FILTER_PERIOD': 0.6
        }

        self.behaviour_dict = {
            0: ['flip_turn', 'forward'],
            1: ['right_turn', 'forward'],
            2: ['knife_edge', 'forward'],
            3: ['flatten', 'forward'],
            4: ['left_turn', 'forward'],
            5: ['park']
            # [ 'up_to_deck', 'forward' ],
            # [ 'forward_timed', 'down_to_sea_floor', 'forward' ]
            # [ 'dance', 'forward' ]
            # [ 'forward_timed',  'down_to_hold', 'forward_timed', 'up_to_deck', 'forward]
        }

        self.client.update_configuration(self.knife_edge_params)
        self.ac.set_mode(self.depth_params)
        self.target_depth = self.ac.current_depth
        self.rpy_from_imu_to_global = self.ac.get_rpy_of_imu_in_global()
        self.current_roll_deg = self.rpy_from_imu_to_global[0] * 180.0 / pi
        self.current_pitch_deg = self.rpy_from_imu_to_global[1] * 180.0 / pi
        self.current_yaw_deg = self.rpy_from_imu_to_global[2] * 180.0 / pi

        # Choose a trajectory file based on parameter and send it to the ap_client function
        self.active_command = None
        self.command_list = []
        self.command_endtime = None

        # TODO make params
        self.sea_floor_depth = sea_floor_depth
        self.deck_depth = deck_depth
        self.hold_depth = hold_depth
        self.forward_swim_time = forward_swim_time
        self.speed = speed
        self.tag_dead_zone = tag_dead_zone
        self.do_swimmer_turn = do_swimmer_turn
        self.last_tag_time = None

        rospy.Subscriber("/tags", Tags, self.tag_callback)
        rospy.Subscriber("/aqua/state", StateMsg, self.state_callback)

        rospy.loginfo('Finished constructor')
Exemplo n.º 10
0
class ShipProgram(object):
    def __init__(self, speed, forward_swim_time, sea_floor_depth, deck_depth,
                 hold_depth, tag_dead_zone, do_swimmer_turn):
        rospy.loginfo('In ShipProgram init')
        self.depth_params = {}
        self.depth_params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_FIXED_DEPTH

        self.angle_params = {}
        self.angle_params[
            'mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST

        self.ac = AutopilotClient(self.depth_params)

        self.client = dynamic_reconfigure.client.Client("/localAP", timeout=5)

        self.knife_edge_params = {
            'ROLL_P_GAIN': 1.0,
            'PITCH_P_GAIN': 2.0,
            'YAW_P_GAIN': -3.5,
            'ROLL_D_GAIN': 0.0,
            'PITCH_D_GAIN': 0.0,
            'YAW_D_GAIN': -1.5,
            'KDEPTH': -1.3,
            'DEPTH_D_GAIN': -1.5,
            'DEPTH_D_FILTER_PERIOD': 0.6
        }

        self.behaviour_dict = {
            0: ['flip_turn', 'forward'],
            1: ['right_turn', 'forward'],
            2: ['knife_edge', 'forward'],
            3: ['flatten', 'forward'],
            4: ['left_turn', 'forward'],
            5: ['park']
            # [ 'up_to_deck', 'forward' ],
            # [ 'forward_timed', 'down_to_sea_floor', 'forward' ]
            # [ 'dance', 'forward' ]
            # [ 'forward_timed',  'down_to_hold', 'forward_timed', 'up_to_deck', 'forward]
        }

        self.client.update_configuration(self.knife_edge_params)
        self.ac.set_mode(self.depth_params)
        self.target_depth = self.ac.current_depth
        self.rpy_from_imu_to_global = self.ac.get_rpy_of_imu_in_global()
        self.current_roll_deg = self.rpy_from_imu_to_global[0] * 180.0 / pi
        self.current_pitch_deg = self.rpy_from_imu_to_global[1] * 180.0 / pi
        self.current_yaw_deg = self.rpy_from_imu_to_global[2] * 180.0 / pi

        # Choose a trajectory file based on parameter and send it to the ap_client function
        self.active_command = None
        self.command_list = []
        self.command_endtime = None

        # TODO make params
        self.sea_floor_depth = sea_floor_depth
        self.deck_depth = deck_depth
        self.hold_depth = hold_depth
        self.forward_swim_time = forward_swim_time
        self.speed = speed
        self.tag_dead_zone = tag_dead_zone
        self.do_swimmer_turn = do_swimmer_turn
        self.last_tag_time = None

        rospy.Subscriber("/tags", Tags, self.tag_callback)
        rospy.Subscriber("/aqua/state", StateMsg, self.state_callback)

        rospy.loginfo('Finished constructor')

    def clamp180(self, angle):
        while angle > 180.0:
            angle = angle - 360.0
        while angle < -180.0:
            angle = angle + 360.0

        return angle

    def tag_callback(self, tag):

        rospy.loginfo('Tag callback.')
        if len(tag.tags) > 0:
            rospy.loginfo('Saw a tag.')
        else:
            return

        # A small delay after seeing a tag so that double detections dont hurt us
        if (self.last_tag_time == None
            ) or (rospy.Time.now() - self.last_tag_time) > rospy.Duration(
                self.tag_dead_zone):
            self.last_tag_time = rospy.Time.now()

            # Handle the tag based on its ID:
            if not self.behaviour_dict.has_key(tag.tags[0].id):
                rospy.loginfo('Unrecognized tag: ' + str(tag.tags[0].id) +
                              ' detected.')
            else:
                self.command_list.extend(self.behaviour_dict[tag.tags[0].id])
                rospy.loginfo('Read tag: ' + str(tag.tags[0].id) +
                              ' to make action list: ' +
                              str(self.command_list))

    def state_callback(self, event):

        rospy.loginfo('State callback. Current command is: ' +
                      str(self.active_command))

        new_command = False

        if self.active_command == None:
            new_command = True
        else:
            if self.active_command == 'up_to_deck':
                if self.ac.current_depth <= self.deck_depth:
                    new_command = True
            elif self.active_command == 'forward_timed':
                if self.command_endtime <= rospy.Time.now():
                    new_command = True
            elif self.active_command == 'down_to_sea_floor':
                if self.ac.current_depth >= self.sea_floor_depth:
                    new_command = True
            elif self.active_command == 'down_to_hold':
                if self.ac.current_depth >= self.hold_depth:
                    new_command = True
            else:
                rospy.loginfo('Error, command unknown: ' +
                              str(self.active_command))

        if new_command:
            if len(self.command_list) > 0:

                self.active_command = self.command_list.pop(0)

                if self.active_command == 'forward':
                    # Implementation of "flat swim"
                    rospy.loginfo('Switching to command forward')
                    # The behaviour is immediate, so can unset active command
                    self.active_command = None
                    self.current_pitch_deg = 0.0
                    self.ac.set_mode(self.depth_params)
                if self.active_command == 'right_turn':
                    self.current_yaw_deg = self.current_yaw_deg - 90.0
                    # The behaviour is immediate, so can unset active command
                    self.active_command = None
                    self.ac.set_mode(self.depth_params)
                if self.active_command == 'left_turn':
                    self.current_yaw_deg = self.current_yaw_deg + 90.0
                    # The behaviour is immediate, so can unset active command
                    self.active_command = None
                    self.ac.set_mode(self.depth_params)
                if self.active_command == 'knife_edge':
                    self.current_roll_deg = 90.0
                    # The behaviour is immediate, so can unset active command
                    self.active_command = None
                    self.ac.set_mode(self.depth_params)
                if self.active_command == 'flatten':
                    self.current_roll_deg = 0.0
                    # The behaviour is immediate, so can unset active command
                    self.active_command = None
                    self.ac.set_mode(self.depth_params)
                if self.active_command == 'dance':
                    self.ac.set_mode(self.depth_params)
                    self.ac.do_rolling_sideways_somersault(
                        rospy.Duration(20), 0.8, 0.0, self.ac.current_depth,
                        18.0)
                    self.active_command = None
                if self.active_command == 'flip_turn':
                    # This is the implementation of the awkward turn. Just 180 yaw and let the robot swim
                    rospy.loginfo('Switching to command flipturn')

                    if self.do_swimmer_turn:
                        self.ac.flip_turn(4, self.speed, self.current_yaw_deg)

                    self.current_yaw_deg = self.current_yaw_deg + 180.0
                    self.ac.set_mode(self.depth_params)
                    # The behaviour is immediate, so can unset active command
                    self.active_command = None
                elif self.active_command == 'forward_timed':
                    rospy.loginfo('Switching to command forward timed')
                    self.current_pitch_deg = 0.0
                    self.command_endtime = rospy.Time.now() + rospy.Duration(
                        self.forward_swim_time)
                    self.ac.set_mode(self.depth_params)
                elif self.active_command == 'up_to_deck':
                    rospy.loginfo('Switching to command up to deck')
                    self.current_pitch_deg = -90.0
                    self.ac.set_mode(self.angle_params)
                    self.target_depth = self.deck_depth
                elif self.active_command == 'down_to_sea_floor':
                    rospy.loginfo('Switching to command down to sea floor')
                    self.current_pitch_deg = 90.0
                    self.ac.set_mode(self.angle_params)
                    self.target_depth = self.sea_floor_depth
                elif self.active_command == 'down_to_hold':
                    rospy.loginfo('Switching to command down to hold')
                    self.current_pitch_deg = 90.0
                    self.ac.set_mode(self.angle_params)
                    self.target_depth = self.hold_depth
                elif self.active_command == 'park':
                    self.ac.set_mode(self.angle_params)
                    rospy.loginfo('Switching to command park')
                    #self.ac.park()
                    rospy.loginfo(
                        'Exiting the autopilot run because a park action is finishing. See you next year!'
                    )
                    rospy.signal_shutdown('Tag asked robot to park.')
                else:
                    rospy.loginfo('Unreckognized action: ' +
                                  str(self.active_command))

        try:
            target_angles_deg = [
                self.current_roll_deg, self.current_pitch_deg,
                self.current_yaw_deg
            ]
            self.ac.send_single_command(self.speed, target_angles_deg,
                                        self.target_depth)
        except (tf.LookupException, tf.ConnectivityException,
                tf.ExtrapolationException) as e:
            print e
Exemplo n.º 11
0
import roslib
roslib.load_manifest('aquaautopilot')
import rospy
import tf
from math import pi

from aquacore.msg import AutopilotModes
from autopilot_client import AutopilotClient  

if __name__ == '__main__':
    
    rospy.init_node('somersault')
    params = {}
    params['mode'] = AutopilotModes.AP_GLOBAL_ANGLES_LOCAL_THRUST
    ac = AutopilotClient(params)

    try:
        
        rpy_from_imu_to_global = ac.get_rpy_of_imu_in_global()
        wy_in_deg_per_sec = -20
        dt_in_sec = rospy.Duration(30)        
        vx = 0.8
        vz = 0
        ac.do_somersault(dt_in_sec, vx, vz, wy_in_deg_per_sec)           
         
    except (tf.LookupException, tf.ConnectivityException, tf.ExtrapolationException) as e:
        print e