Questions tagged [differential-drive]

Differential drive is a commonly used drive system, which consists of two independently controlled wheels.

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Reward Function for q learning on a robot

I have 2 wheeled differential drive robot which I use pid for low level control to follow line. I implemented q learning which uses samples for 16 iterations then uses them to decide the best position ...
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0answers
25 views

4 wheeled differential wheeled (skid-steer) robot steering problem

My question is about a square shaped differential wheeled robot, I built, that has a hub-motor (BLDC motor) attached to each corner, i.e., the wheels on the same side, either left or right, have the ...
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0answers
201 views

Q Learning And Kohonen Maps For Line Follower Robot

I'm trying to build a line follower robot and I'm interested in predicting the curves on the track. I have 8 binary sensor array(qre1113). My goal is to make a system that it can generalize what it ...
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0answers
630 views

Acceleration formula for a differential steering robot

I have the formulas to derive the RPM's of each wheel from the robot's linear velocity. Now, I am trying to do the same thing for the acceleration (mainly angular acceleration). For linear ...
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0answers
16 views

Implementing a high-level PID controller which uses odometry in diff drive wheeled robot

How I can implement a high level PID controller that uses odometry to couple both motors in a diff drive wheeled robot? This is my try: From the motor controller, I can get the estimated speed in ...
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0answers
30 views

How to make a diff robot (2 traction wheels front and 2 castor wheels back) to go straight?

I’m developing a differential robot. My wheeled robot has two castor wheels in the back and two driven wheels in the front. The motor controller I’m using can handle two motors each with 90 cpr. Each ...
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1answer
47 views

Effects of distance between wheels on differential line following robots

I have been working on a line following robot for a line tracing competition. It has 7 IR sensors for line detection and the robot size is limited based on the competition rules. The robot structure ...
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0answers
17 views

Trajectory tracking problem for non-holonomic mobile robots

Currently, I am working on the trajectory tracking problems of autonomous ground vehicle and a little confused about the applicability of control theory for different types of wheeled mobile robots. ...
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32 views

Robot trajectory generation; path-paramerization

I have a differential drive robot, and it's supposed to drive on a parabolic function $(f(x) = x^2)$. But for all control algorithms, you have a trajectory given as $f(s)$ or $f(t)$. I want to use ...
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2answers
46 views

Motor encoders randomly start counting backward, then go back to normal

I am making an Arduino-controlled differential drive robot, and I am having the following problems: the encoders built into the motors are being used for measuring the rotary displacement, and while ...