Robotics Stack Exchange Community Digest

Top new questions this week:

Nav2 MPPI Controller Will Not Reach Max Speed

I am attempting to tune MPPI for an outdoor coverage application and am having trouble getting the robot to drive at the desired speed. I have read the available Nav2 documentation on GitHub, but I am ...

ros2nav2

asked byIsaac Score of 1

Greatest hits from previous weeks:

Which type of actuator will be suitable for a very strong robot arm?

I wish to build a robotic arm that can lift a useful amount of weight (such as 3-6 kg on an arm that can extend to approx 1.25 meters). What actuators are available to accomplish this? The main ...

mobile-robotrobotic-armactuator

asked byMark W Score of 32 answered byMark Booth Score of 30

[slam_toolbox]: Failed to compute odom pose

I'm trying to run my simple robot in the Flatland simulator, ROS2 Humble. The problem occurs when I try to execute the command...

slamodometrymappingros-humblesynchronization

asked byTomas Novotny Score of 2 answered byNobel Score of 4

Is it possible to run multiple loops at the same time? (Arduino)

I've got a code where I have a motor running back and forth and buttons connected to a scanner, when I press the buttons it causes the motor to stop and over rides it. I would like them to run ...

arduinostepper-motorc

asked byhollander Score of 4

What is inverse depth (in odometry) and why would I use it?

Reading some papers about visual odometry, many use inverse depth. Is it only the mathematical inverse of the depth (meaning 1/d) or does it represent something else. And what are the advantages of ...

slamcomputer-visionodometry

asked byMehdi Score of 19 answered byholmeski Score of 18

ROS: catkin_make vs. catkin build

When using ROS:Why should I usecatkin build from catkin_tools instead ofcatkin_make? I've been told that ...

ros

asked bySKA Score of 24 answered bybergercookie Score of 23

RLException: neither a launch file package nor a launch file name

To get straight to the point I want to know how to fix this error and understand it, what is an RLException? Why am I getting this? How can I avoid this later? Below I will post what I did step by ...

rosrobotics-libraryrviz

asked byOmarAI Score of 2 answered byOmarAI Score of 3

What is the difference between motion planning and trajectory generation?

What are the major differences between motion planning and trajectory generation in robotics? Can the terms be used interchangeably?

motion-planning

asked byRatan Sadanandan O M Score of 10 answered byPetch Puttichai Score of 5