Sunday, September 29, 2024

SLAM! - Building a Simple SLAM Simulator

SLAM_play - A simple SLAM simulator

Welcome to the next step in creating my Totally Not Evil Robot Army! Today, we kick off our journey into the fascinating world of robotics with a simple SLAM (Simultaneous Localization and Mapping) project.

What’s SLAM?

In the world of robots, SLAM is what helps our mechanical minions make sense of their surroundings. Imagine a robot moving through an unknown environment—how does it know where it is and where the walls (or, you know, other targets) are? That's where SLAM comes in. The robot uses sensor data to map its environment and figure out its position on that map in real time.

My SLAM_play Project

My initial SLAM project is a basic 2D simulator called SLAM_play. This simulation features a simple robot equipped with an ultrasonic sensor that explores a grid-like environment. The robot moves around, detecting obstacles and marking unexplored areas as it builds a map of its world.

The robot updates its map in real time:

  • Grey zones represent the areas it has explored and found clear.
  • Green spots mark obstacles (which may or may not be future targets for…um...peaceful interaction).
  • Dark grey zones represent the "frontier," where the robot has reached the limits of its sensor's range and hasn’t detected anything yet.

What's Next?

This is just the beginning. As I dive deeper into SLAM, I’ll explore adding more complex sensors, like LIDAR, and even experiment with autonomous pathfinding. The ultimate goal is to build a robot army that can navigate any environment, no matter how complex…for purely benevolent purposes, of course.

For now, I'm taking small steps, but these small steps will one day become the foundation of an unstoppable (yet totally friendly) robot force.

If you’re interested in exploring the code behind this simulator, check out my public GitHub repo here:
SLAM_play Repository

Lets continue the adventure of giving the machine some SLAM —one sensor at a time!

Robot Army Motto: Mapping the future, one ultrasonic ping at a time.  (for now!)

[UPDATE]

Here is a short video of the Simple SLAM simulator:



more to come...

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