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Questions tagged [wheeled-robot]

Wheeled-robot is a subtype of mobile robots which uses motor driven wheel(s) to be able to move.

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19
votes
6answers
5k views

Robot never goes straight

I am using 2 identical DC motors and a castor wheel. The motors are connected to L293D motor driver and are controlled by RPi. The robot is not going straight. It veers off to the right. I am ...
16
votes
2answers
18k views

Wheels vs Continuous Tracks (Tank Treads)

I'm building a small robot using some cheap Vex Robotics tank treads. However, my choice of picking tank treads is almost purely based on the fact that they seem like more fun than wheels. I don't ...
9
votes
1answer
4k views

How does rocker bogie keep the body almost flat?

How does rocker-bogie mechanism keep the body flat / keep the solar panel almost flat all the time? I know there is an differential system that connect both rocker bogie (left and right) together. But ...
7
votes
4answers
926 views

What is the technical name when robot wheels are aligned to perform spot turn?

I have a robotic simulator that enables a 6 wheel rover to perform spot turn. To prepare the rover to spot turn, I have to arrange/align the wheels in such a fashion: ...
5
votes
3answers
193 views

F/OSS Optical Object Avoidance

I am beginning work on a larger scale, 250-350 lbs wheeled robot and looking to use both optical and other means of object avoidance. I am concerned with a robot this large causing issues with running ...
3
votes
2answers
418 views

Two-wheeled self-balancing robot - Choosing the control system

Would an Arduino Uno have the precision-timing required (using only firmware) to control a two-wheeled inverted pendulum robot, or would it need a RTOS? Note: Thanks for both answers, they both ...
2
votes
2answers
1k views

Self balancing robot control system strategies [closed]

I’m in the early stages of designing a self-balancing robot as a way to refresh my knowledge on control theory, which has been gradually slipping away since graduating about a year and a half ago. I'm ...
12
votes
2answers
914 views

Is it better to have weight distributed over the wheels or the center of the robot?

When designing a standard 4 or 6 wheel robot, is it better to have the weight distributed primarily in the center of the robot, or over the wheels, or is there no difference? Specifically, which ...
2
votes
2answers
999 views

Can I make an automatically-parking robot car with IR sensor?

It would be easy to understand if you imagine a robotic vacuum cleaner. (For some models) It goes back to a specific place automatically to recharge. Like this, I want to make a robot which ...
1
vote
1answer
5k views

Making a car go straight [duplicate]

I'm trying to work a car that's being controlled by an Arduino. I'm using the following chassis: New 2WD car chassis DC gear motor, wheels easy assembly and expansion and an L298N motor driver. The ...