Questions tagged [navigation]

Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another. Robot navigation includes exploration, mapping, localization, path planning and path execution

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1answer
3k views

Robot path planning

My goal is to move robot in certain points as shown in the figure. It's initial position is (x0,y0) and move along other coordinates. I am able to track robot position using a camera which is ...
4
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4answers
13k views

Quadcopter Position Measurement (Accelerometer, GPS or Both)?

I previously thought that an accelerometer on a quadcopter is used to find the position by integrating the data got from it. After I read a lot and watched this Youtube video (specifically at time 23:...
9
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2answers
892 views

Guiding a Quadrotor Towards a Target

I am working on a quadrotor. I know its position -- $a$, where I would like to go -- target position $b$, and from that I calculate a vector $c$ -- a unit vector that will take me to my target: <...
9
votes
1answer
450 views

Chaining Kalman filters

My team is building a robot to navigate autonomously in an outdoor environment. We recently got a new integrated IMU/GPS sensor which apparently does some extended Kalman filtering on-chip. It gives ...
6
votes
1answer
2k views

Implementing a boustrophedon algorithm in a given room with obstacles

I have a mobile robot which is navigating around a room, I already have the map of the room. I am using the navigation_stack of ROS. I am using rotary encoders for odometry. I am fusing the data from ...
2
votes
1answer
782 views

Tf frame origin is offset from the actual base_link

I have built my differential drive mobile robot in solidworks and converted that to URDF file using soliworks2urdf converter. I successfully launched and robot and simulated with tele-operation node. ...
1
vote
2answers
2k views

Is it possible for a robot to navigate through predefined coordinates?

I am a total newbie in robotics so please bare with me. I have a school project where my team has to design a robot that is capable of picking up 3 golf balls in different sizes at predefined ...