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2019-10-16 09:44:00 -0500 answered a question two finger gripper for UR5 Robot URDF

In this link, you can find an example of UR5 with a robotiq gripper.

2019-09-18 10:42:05 -0500 received badge  Civic Duty (source)
2019-09-17 08:54:24 -0500 asked a question What is actuator reduction and joint reduction?

What is actuator reduction and joint reduction? I was just curiously looking into PR2 transmission code on github, I fou

2019-08-26 04:24:31 -0500 answered a question Define KDL tree from URDF file outside ROS

Hey, I know it is very late! But here is the solution for the same ! May be it will be helpful to others! #include

2019-08-15 02:36:03 -0500 answered a question Could not find a package configuration file provided by "ros_control"

Hey, I guess you are missing ROS-Control package. Maybe try this, sudo apt-get install ros-kinetic-ros-control ros-k

2019-08-15 02:36:03 -0500 received badge  Rapid Responder (source)
2019-08-08 09:16:41 -0500 commented question Error OGRE Exception - Movelt

I guess, you missed the attachment

2019-08-06 10:04:52 -0500 received badge  Critic (source)
2019-08-05 08:11:03 -0500 commented question Gazebo crashing when trying to open model

I'm also getting the same error ! Need help guys!

2019-08-05 03:22:01 -0500 answered a question Generating UR5 Robot Package with Moveit Setup Assistant

Hello, I guess you first need to add the joint_trajectory_controller configuration as described in this tutorial. Also

2019-08-05 03:22:01 -0500 received badge  Rapid Responder (source)
2019-07-30 14:10:42 -0500 marked best answer Visualising the real time trajectory path using markers

I'm trying to publish a list of markers, based on the data from the msg subscribed. I'm not able to visualise it, though I change the marker Ids!

Thanks in advance!

    def __init__(self):
        self.count = 0 
        rospy.Subscriber("/arm_1/arm_controller/cartesian_velocity_command",TwistStamped, self.event_in_cb)
        rospy.sleep(0.5)

    def event_in_cb(self,msg):
        self.waypoints = msg
        self.a = list()
        self.a.append(self.waypoints.twist.linear.x)
        self.a.append(self.waypoints.twist.linear.y)
        self.a.append(self.waypoints.twist.linear.z)
        self.show_text_in_rviz()

    def show_text_in_rviz(self):
        self.marker = Marker()
        self.marker_publisher = rospy.Publisher('visualization_marker', Marker, queue_size=5)
        self.marker = Marker(
                    type=Marker.SPHERE,
                    id=0,
                    lifetime=rospy.Duration(1000),
                    pose=Pose(Point(self.a[0]/10**5,self.a[1]/10**5,self.a[2]/10**5), Quaternion(0, 0, 0, 1)),
                    scale=Vector3(0.05, 0.05, 0.05),
                    header=Header(frame_id='arm_link_5'),
                    color=ColorRGBA(0.0, 2.0, 0.0, 0.8))
        self.count+=1
        self.marker.id = self.count
        self.marker_publisher.publish(self.marker)

if __name__ == '__main__':
    rospy.init_node("trajectory_interactive_markers_node", anonymous=True)
    trajectory_interactive_markers = TrajectoryInteractiveMarkers()
    rospy.sleep(0.5)
    rospy.spin()
2019-07-16 21:13:28 -0500 received badge  Notable Question (source)
2019-07-08 09:30:43 -0500 commented question Cannot move Husky using joystick in gazebo

Maybe, there is a deadman switch which you need to press?

2019-06-25 06:00:59 -0500 answered a question Cannot move Robotiq 2F-140 in ROS

Reposting from the comments! This link will help you!

2019-06-25 05:58:44 -0500 commented question Cannot move Robotiq 2F-140 in ROS

No problem, glad you found out! Maybe then just update the comment as an answer and close the question as solved! :)

2019-06-25 05:56:33 -0500 commented question Launch controllers of a robot

Have you installed the below packages? 1) gazebo-ros-pkgs and gazebo-ros-control 2) ros-kinetic-ros-control and ros-ki

2019-06-25 05:56:09 -0500 commented question Launch controllers of a robot

Have you installed the below packages? 1) gazebo-ros-pkgs and gazebo-ros-control 2) ros-kinetic-ros-control and ros-ki

2019-06-25 05:50:08 -0500 commented question Cannot move Robotiq 2F-140 in ROS

Maybe this link helps you!

2019-06-24 05:10:07 -0500 commented question Cannot move Robotiq 2F-140 in ROS

Okay! To my understanding, you want to open and close the gripper (Possible actions of gripper commands) The easiest way

2019-06-21 16:20:20 -0500 commented question Cannot move Robotiq 2F-140 in ROS

Can you post a link to your repository with all the moveit config files? It will be easy to check !

2019-05-18 14:58:13 -0500 commented question Gazeb_ros_control in simulation

Hey! Is it possible for you to add a link to your repo?

2019-05-07 03:49:03 -0500 commented question Unable to install gazebo

You can ask the question in gazebo forum

2019-05-03 09:31:08 -0500 commented question MoveIt! unable to sample any valid states for goal tree

Hmm! I think,we need to wait for some expert opinion!

2019-05-03 08:50:12 -0500 commented question MoveIt! unable to sample any valid states for goal tree

Can you just set w to 1, and remove the rest of the quaternions. (don't make it to 0, but remove all) and tell me what h

2019-05-03 08:49:43 -0500 commented question MoveIt! unable to sample any valid states for goal tree

Can you just set w to 1, and remove the rest of the quaternions. (don't make it to 0, but remove all) and tell me what h

2019-04-30 15:21:31 -0500 commented question Robotic arm in Rviz is able to execute predefined positions but not random

Hey, I tried working with your repo, can you give some more details on which URDF file you used to configure moveit? So

2019-04-30 15:21:05 -0500 commented question Robotic arm in Rviz is able to execute predefined positions but not random

Hey, I tried working with your repo, can you give some more details on which URDF file to configure moveit? So that it w

2019-04-30 02:55:32 -0500 commented answer Errors launching ur robots in gazebo

You can try the alternate link! But as such you can just leave the bug "not noticed" and start working on your intended

2019-04-29 09:49:39 -0500 commented question Robotic arm in Rviz is able to execute predefined positions but not random

Did you try move_group.launch?

2019-04-29 09:39:11 -0500 edited answer Errors launching ur robots in gazebo

Hey! From the log you have posted, you can see that [ WARN] [1556543979.957337287, 0.155000000]: Please set gazebo_p

2019-04-29 09:38:41 -0500 answered a question Errors launching ur robots in gazebo

Hey! From the log you have posted, you can see that [ WARN] [1556543979.957337287, 0.155000000]: Please set gazebo_p

2019-04-29 09:27:13 -0500 commented question Errors launching ur robots in gazebo

Hey. But are you able to visualize the robot?

2019-04-25 09:41:24 -0500 commented question How to draw a square around the detected object in rviz in a 2d plane?

Hey, I guess you should look into the Visualization markers

2019-04-08 06:26:17 -0500 edited question Gazebo grasp plugin is not working

Gazebo grasp plugin is not working Hey guys! I'm trying to use the grasp plugin by jennifer buehler First I would li

2019-04-08 05:47:59 -0500 asked a question Gazebo grasp plugin is not working

Gazebo grasp plugin is not working Hey guys! I'm trying to use the grasp plugin by jennifer buehler on a UR10 robot.

2019-04-01 15:41:22 -0500 commented question how to make rg2 gripper work with ROS along with UR3 arm?

Did you add a joint between the ur3 and rg2 gripper?

2019-03-27 08:41:18 -0500 commented question Map rotation in rviz during gmapping

maybe the rplidar is connected to the robot in an inverted direction?

2019-03-21 10:14:10 -0500 commented question Controlling the robotiq_85_gripper (2-fingered gripper) in a Gazebo simulation

Did you find anything?

2019-03-20 07:14:00 -0500 commented question Got controller gains for six-axis manipulator?

Do you have the values which worked for you?

2019-03-15 15:03:37 -0500 commented question Problem with urdf parsing

Did it solve your problem?

2019-03-15 15:02:39 -0500 answered a question Spawning Husky robot with ur5

Hey, As you could have noted in the tutorial, this setup is for indigo, So, in this link you can find the husky_ur5_mo

2019-03-15 10:02:22 -0500 commented question Problem with urdf parsing

<robot name="test_robot"> (...) </robot> are you sure you have </robot> at the end?

2019-03-15 08:43:21 -0500 commented question Spawning Husky robot with ur5

Are you sure, you did this step? Make sure you have the husky_simulator packages and husky_ur5_moveit_config packages i

2019-03-13 10:00:09 -0500 commented question MoveItSimpleControllerManager: Action client not connected

Where is the original question then ? @tengfei

2019-03-07 07:00:52 -0500 asked a question Error: This robot has a joint named "wheel_right_joint" which is not in the gazebo model.

Error: This robot has a joint named "wheel_right_joint" which is not in the gazebo model. I'm not sure what I'm doing wr

2019-03-01 09:32:41 -0500 received badge  Citizen Patrol (source)
2019-02-25 08:30:10 -0500 asked a question Odom frame not getting published for ros-gazebo differential drive plugin

Odom frame not getting published for ros-gazebo differential drive plugin Hey guys! I'm building my robot. Unfortunate

2019-02-23 13:11:13 -0500 commented question r2d2 differential drive and hokuyo laser scan plugin not working

Was there any solution to this problem?

2019-02-20 09:46:15 -0500 commented question How to write a custom control plugin for Gazebo-Ros using Python ?

I guess joint states are from sensor msgs check this link They will provide all the joint states.