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2020-03-11 15:46:13 -0500 | marked best answer | robot reverses into final pose I have a differential drive base, running TEB as the local planner under Kinetic. When I navigate to a destination, if the requested pose is not the same as the pose the robot took to get there, it always turns before the final position and reverses into the destination. This seems odd. I would have expected the robot to navigate to the destination, then turn on the spot to get the requested pose. I have checked to ensure I do not have any car-like settings, and I have set the min_turning_radius to 0.0. I am using a footprint model for the robot rather than the radius parameter. I changed it back to Point and radius but get the same results. Does anyone have some advice on this, or will I need to delve into the C++ files and modify them? |
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2020-03-11 08:43:09 -0500 | commented answer | robot reverses into final pose I had imagined that 70 was high as the info page talked about 1.0 being a small weight. I set it to 950 and it seems a l |
2020-03-11 06:27:42 -0500 | commented answer | robot reverses into final pose Thanks. I had weight_kinematics_forward_drive set at 70 to avoid as much reverse drive as possible. The goals in these c |
2020-03-11 00:15:49 -0500 | asked a question | robot reverses into final pose robot reverses into final pose I have a differential drive base, running TEB as the local planner under Kinetic. When I |
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2019-05-29 05:50:08 -0500 | marked best answer | Kinect 360 not working in Ubuntu 16.04 I am using Kinetic in Ubuntu 16.04. I have a kinect xbox 360 and the appropriate power supply. The kinect works fine in windows 10. In Ubuntu, it will not show up in lsusb. I can see the motor, but the rest of the components do not show. The best I can see is that it is being detected as a usb hub. But at each lsusb it changes IDs. Here is a sample from lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 8087:07dc Intel Corp. Bus 001 Device 007: ID 04f9:0331 Brother Industries, Ltd Bus 001 Device 006: ID 0922:0020 Dymo-CoStar Corp. LabelWriter 450 Bus 001 Device 009: ID 15d9:0a33 Trust International B.V. Optical Mouse Bus 001 Device 008: ID 04d9:1702 Holtek Semiconductor, Inc. Keyboard LKS02 Bus 001 Device 005: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 004: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 003: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 099: ID 045e:02b0 Microsoft Corp. Xbox NUI Motor Bus 001 Device 098: ID 0409:005a NEC Corp. HighSpeed Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub running lsusb again gives: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 8087:07dc Intel Corp. Bus 001 Device 056: ID 04f9:0331 Brother Industries, Ltd Bus 001 Device 055: ID 0922:0020 Dymo-CoStar Corp. LabelWriter 450 Bus 001 Device 059: ID 15d9:0a33 Trust International B.V. Optical Mouse Bus 001 Device 057: ID 04d9:1702 Holtek Semiconductor, Inc. Keyboard LKS02 Bus 001 Device 054: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 052: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 050: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 101: ID 045e:02b0 Microsoft Corp. Xbox NUI Motor Bus 001 Device 100: ID 0409:005a NEC Corp. HighSpeed Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub It looks like it is being detected as an NEC hub, but after many days of this I am not sure of anything. Has this been encountered before? What can I do next? Thanks, Dave |
2019-05-29 05:41:40 -0500 | answered a question | Kinect 360 not working in Ubuntu 16.04 Thanks Orhan. I discovered the real problem. Non-microsoft 12v interfaces for taking the power to the kinect and splitti |
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2018-11-29 03:38:13 -0500 | asked a question | Kinect 360 not working in Ubuntu 16.04 Kinect 360 not working in Ubuntu 16.04 I am using Kinetic in Ubuntu 16.04. I have a kinect xbox 360 and the appropriate |
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2016-04-06 01:32:37 -0500 | answered a question | Has anyone successfully compiled face recognition under Indigo Looks like the problem is in the install of opencv2. All are related to these dependencies. I'll try a clean install and build with cv_bridge. Thanks. |
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2016-03-31 00:09:43 -0500 | asked a question | Has anyone successfully compiled face recognition under Indigo I have been trying to compile the face recognition package under Indigo, it generates 100s of errors which I am struggling to sort out. I wondered if someone else might have already solved this issue. |
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2014-01-28 17:21:57 -0500 | marked best answer | unable to find install package I have been attempting to install diamondback. I enter "sudo apt-get install ros-diamondback-desktop-full" and get "unable to locate package ros-diamondback-desktop-full" I am completely new to linux, so any help would be greatly appreciated |
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2013-11-20 13:18:00 -0500 | answered a question | What are the current challenges in Mobile robotics? The same challenges that have always existed in robotics. general perception, dealing with unexpected circumstances, understanding requests from people in normal acoustic situations, recognising people in all lighting or angles, manipulating small objects, objects never encountered before, handling soft items like a cable harness. The use of human tools. the list is very long. Dave |
2013-10-28 13:15:08 -0500 | asked a question | cv_bridge tutorial compile fails in catkin I'm attempting to run the tutorial here: http://wiki.ros.org/cv_bridge/Tutorials/UsingCvBridgeToConvertBetweenROSImagesAndOpenCVImages Catkin keep throwing up this error in function "ImageConverter::imageCb(const ImageConstPtr&) 'cv_bridge::CvImagePtr' has no member named 'image' The line in code is: cv_bridge::CvImagePtr cv_ptr; |
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2013-07-08 19:47:44 -0500 | answered a question | catkin_make fails in tf tutorial Thanks Boris, I had created the cpp files in the root rather than src. It's all working now. Dave |
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2013-07-08 00:59:41 -0500 | asked a question | catkin_make fails in tf tutorial Following the TF tutorial http://www.ros.org/wiki/navigation/Tutorials/RobotSetup/TF catkin_make does not make the files. I tried catkin_make robot_setup_tf as well and get the following result: dave@canbot:~/catkin_ws$ catkin_make robot_setup_tf Base path: /home/dave/catkin_ws Source space: /home/dave/catkin_ws/src Build space: /home/dave/catkin_ws/build Devel space: /home/dave/catkin_ws/devel Install space: /home/dave/catkin_ws/install #Running command: "make cmake_check_build_system" in "/home/dave/catkin_ws/build"##Running command: "make -j4 -l4 robot_setup_tf" in "/home/dave/catkin_ws/build"#make: * No rule to make target `robot_setup_tf'. Stop. Invoking "make" failed |
2013-07-08 00:55:09 -0500 | asked a question | catkin make fails when building tf tutorial Following the TF tutorial http://www.ros.org/wiki/navigation/Tutorials/RobotSetup/TF catkin_make does not make the files. I tried catkin_make robot_setup_tf as well and get the following result: dave@canbot:~/catkin_ws$ catkin_make robot_setup_tf Base path: /home/dave/catkin_ws Source space: /home/dave/catkin_ws/src Build space: /home/dave/catkin_ws/build Devel space: /home/dave/catkin_ws/devel Install space: /home/dave/catkin_ws/install #Running command: "make cmake_check_build_system" in "/home/dave/catkin_ws/build"##Running command: "make -j4 -l4 robot_setup_tf" in "/home/dave/catkin_ws/build"#make: * No rule to make target `robot_setup_tf'. Stop. Invoking "make" failed |
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