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Robotics : Recent Questions and Answers

Find answers to your questions about Robotics or help others by answering their Robotics questions.

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...

Asked on 01/06/2022

5 answer

Why do quadcopters use brushless motors?

I've been thinking about starting a quadcopter project, maybe building it from scratch. One of the main barriers-to-entry for me is the motors: it seems like most quadcopters use brushless...

Asked on 01/06/2022 by Robz

3 answer

How to track robot position?

I'm a software researcher, who in my spare time mentors a robotics team, helping on the software side of things. For years, I keep coming back to the same question:...

Asked on 01/06/2022 by Michael Coss

2 answer

How to make a robot move using Arduino other than timing to predefined locations?

How to make a robot move using Arduino other than timing to predefined locations? and without the use of sensors?? I want to make my car move to different locations...

Asked on 01/06/2022 by Olivier How

2 answer

What PID values should I keep?

I have built quadcopter but the problem is of balancing. It doesn't goes up. I am using PID technique for balancing. But I am not finding the suitable values for...

Asked on 01/06/2022 by Sulaiman Ayub

3 answer

How to combine odometry information with time-shifted information from IMU?

I'm working with a differential-drive robot that has odometry measurements from wheel shaft encoders and heading information from an IMU (I'm using BNO055 in IMU mode to get Euler angles,...

Asked on 01/06/2022 by jstanle1

3 answer

Inverse Kinematics Computation -- why are alpha angle values not included?

Given a desired transform matrix of the end effector relevant to the base frame of the P560: John J. Craig, in his book, Introduction to Robotics...

Asked on 01/06/2022 by hey

1 answer

Why ODE for optimal control theory?

I am trying to understand optimal control theory which forms the base for reinforcement learning techniques in AI. Whenever I open a lecture or a book or any online notes,...

Asked on 01/06/2022 by bicepjai

2 answer

What exactly does a motor driver do? Why do we need an additional power supply for motors?

What exactly does a motor driver do? Why do we need an additional power supply for motors? I'm a hobbyist and making a line follower from scratch....

Asked on 01/06/2022 by gUUBI

3 answer

How to call remote ROS node on mobile robot through laptop using wifi?

I've recently tried to get the remote ROS node on a mobile robot through wifi. This is as below picture. ...

Asked on 01/06/2022 by kaviranga

3 answer

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