Questions tagged [robotics]

For questions and clarifications about the use of AI/ML algorithms in the field of robotics.

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How do multiple coordinate systems help in capturing invariant features?

I've been reading this paper that formulates invariant task-parametrized HSMMs. The task parameters are represented in $F$ coordinate systems defined by $\{A_j,b_j\}_{j=1}^F$, where $A_j$ denotes the ...
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How do I find the data-point with respect to a given frame?

I've been reading this paper that formulates invariant task-parametrized HSMMs. In section 3.1 (Model Learning), the task parameters are represented in $F$ coordinate systems defined by $\{A_j,b_j\}_{...
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4 votes
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73 views

Difficulty in agent's learning with increasing dimensions of continuous actions

I have been working on some RL project, where the policy is controlling the robot using its joint angles.Throughout the project I have noticed some phenomenon, which caught my attention. I have ...
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1 vote
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14 views

What is a wavefront algorithm?

I am designing and researching algorithms which I call of a wavefront nature. It is image analsyis agorithms when every pixel may change many times during the processing. I have heard this name before,...
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1 vote
1 answer
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Is it feasible using today's technology to use an AI training algorithm to custom teach a robot to do common household cores?

Like making a bed, washing dishes, taking out the garbage, etc., by training it on the video of specific individuals doing those cores in their own unique environments? I have researched what machine ...
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4 votes
1 answer
129 views

Is possible to train a robot or AI to prune fruit trees?

I live in a rural area where there is a growing necessity for people with knowledge to prune Pear trees, this process is crucial for the industry, but as people go to the big cities, this skill is ...
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1 vote
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60 views

Why haven't we solved the problem of bipedal walking?

This has been a mystery to me. All the walking robots look like idiots now. But we do have a lot of simulation-based results (Flexible Muscle-Based Locomotion for Bipedal Creatures ), so why can't we ...
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3 votes
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How to deal with approximate states when doing path planning?

If one is interested in implementing a path planning algorithm that is grid-based, one needs to consider the fact that your grid points will never represent the true state of the robot. How is this ...
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1 vote
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Drone Deployment Platform for Neural Networks

Good day everyone, I would just like to ask if anyone part of a lab or company doing research on aerial robotics has any suggestions of a good platform for deploying computer vision algorithms for ...
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2 votes
1 answer
132 views

What is the most suitable AI technique to use for path planning?

I am making a firetruck using Arduino Uno with flame sensors and ultrasonic sensors to detect how to move and where to go. As this is a project for my university, I am asked to implement AI in it for ...
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1 vote
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How can I avoid displaying the velocity in the updated tracklets?

In target tracking, the dimensions of objects change, especially if they are detected using a LIDAR sensor. Also, the static objects in consecutive frames are not 100% static, their position changes a ...
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2 votes
1 answer
133 views

Can supervised learning be used to solve the inverted pendulum problem?

I know that reinforcement learning has been used to solve the inverted pendulum problem. Can supervised learning be used to solve the inverted pendulum problem? For example, there could be an ...
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4 votes
1 answer
2k views

What are sim2sim, sim2real and real2real?

Recently, I always hear about the terms sim2sim, sim2real and real2real. Will anyone explain the meaning/motivation of these terms (in DL/RL research community)? What are the challenges in this ...
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8 votes
1 answer
144 views

How does Atlas from Boston Dynamics have human-like movement?

Discussing the video More Parkour Atlas, a friend asked how the robot's movement was so similar to the one from a real human and wondering how this is achieved? To my knowledge, this is not something ...
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2 votes
0 answers
36 views

Algorithm to solve a fault independent of its type

I am looking to plan a solution for a workspace fault and not hardware faults. Consider a task where a robot has to move balls from one place to another. In case it faces any condition which is ...
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3 votes
1 answer
2k views

How can I derive the rotation matrix from the axis-angle rotation vector?

Given an axis-angle rotation vector $\Theta = (2,2,0)$, after finding the unit vector $k=(1/\sqrt{2}, 1/\sqrt{2}, 0)$ and angle $\theta = 2\sqrt{2}$ representing the same rotation, I need to derive ...
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1 vote
1 answer
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Given an axis-angle rotation vector, how can I find the unit rotation axis and angle?

I have a robotics assignment, which I am unable to solve. Given the axis-angle rotation vector $\Theta = (2, 2, 0)$, how can I calculate the unit vector of the rotation axis $k$ and the angle $\theta$?...
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2 votes
2 answers
1k views

How do I integrate Tensorflow with EV3DEV? [closed]

I've got a Lego Mindstorms EV3 with EV3DEV and EV3-Python installed. I wanted to try out artificial intelligence with the robot, and my first project is going to be to get the robot to try and ...
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0 answers
53 views

How do I choose an appropriate fitness function and hyper-parameters to train a 7-DOF arm?

I am trying to train an ANN to control a 7 Degrees-Of-Freedom arm. It should reach a target avoiding a single obstacle. Given my modeling of the situation, my input layer is composed of 12 nodes: 5 ...
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1 vote
1 answer
143 views

How can I calculate the shortest path between two 2d vector points in an environment with obstacles?

I have a 2D plane, with a fixed height and width of 10M. The plane has an agent (or robot) in the point $(1, 2.2)$, and an electric outlet in the point $(8.2, 9.1)$. The plane has a series of ...
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1 vote
3 answers
2k views

What are examples of applications of the Fourier transform to AI?

The (discrete and continuous) Fourier transform (FT) is used in signal processing in order to convert a signal (or function) in a certain domain (e.g. the time domain) to another domain (e.g., ...
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1 vote
1 answer
91 views

Robot Arm Deep Q Learning Actions

Hello I am new to reinforcement learning and robotics. So far I have an understanding of the concept on 2D world. You can make agent move one step in one direction. However, how do you define movement ...
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2 votes
1 answer
384 views

how to normalize the state space for articulated robot environments?

What is the common representation used for the state in articulated robot environments? My first guess is that it's a set of the angles of every joint. Is that correct? My question is motivated by the ...
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1 vote
0 answers
90 views

Using Artificial Intelligence for Robot movement instead of regular Inverse Kinematics

I am currently working with classical roboticists who insist on inverse kinematics, and what I (perhaps mistakenly) call the old way of thinking about robots accomplishing tasks. Much of the ...
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8 votes
1 answer
1k views

Which algorithm is used in the robot Sophia to understand and answers the questions?

Which algorithm is used in the robot Sophia to understand and answer the questions?
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66 views

Reinforcement learning for segmenting the robot path to reflect the true distances

I have a grid of rectangles acting as blocks. The robot traverses through the inter-spaces between these consecutive blocks. Now I have sensor data streaming in representing Right and left wheel ...
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2 votes
1 answer
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SEIF motion update algorithm doubt

I want to implement Sparse Extended information slam. There is four step to implement it. The algorithm is available in Probabilistic Robotics Book at page 310, Table 12.3. In this algorithm line no:...
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3 votes
1 answer
139 views

How can genetic programming be used for path planning?

I have been reading quite a few papers, on genetic programming and its applications, in particular, chapter 10 of "Genetic Programming: An Introduction and Tutorial, with a Survey of Techniques ...
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2 votes
2 answers
577 views

Is robotic process automation related to AI/ML?

I am trying to understand if robotic process automation (RPA) is a field that requires expertise in machine learning. Do the algorithms behind RPA use machine learning except for OCR?
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4 votes
1 answer
591 views

How have robots developed and how sophisticated might they be in the future?

We all know how robots are getting more and sophisticated and more interesting What is the future of robotics in relation to AI, how and how will AI work with robotics in improving to affect our ...
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12 votes
1 answer
10k views

Are the dialogs at Sophia's (the robot) appearings scripted?

I talk about the robot from: Hanson Robotics, which was granted the right to citizenship from Saudi Arabia. I have found the following articles: Your new friend is a humanoid robot Source: ...
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-1 votes
1 answer
586 views

Reinforcement learning for robotic motion planning - Problem statement ideas

I am a first-semester grad student in Robotics and have taken a course on machine learning for robotics. I am completely new to machine learning. I am to select and execute a problem statement on my ...
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4 votes
2 answers
298 views

What AI concept is behind the Mars Exploration Rover (MER)?

The Mars Exploration Rover (MER) Opportunity landed on Mars on January 25, 2004. The rover was originally designed for a 90 Sol mission (a Sol, one Martian day, is slightly longer than an Earth day at ...
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6 votes
0 answers
103 views

What would the Valkyrie AI robot do on Mars?

I was reading that the Valkyrie robot was originally designed to 'carry out search and rescue missions'. However, there were some talks to send it to Mars to assist astronauts. What kind of specific ...
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3 votes
3 answers
369 views

How to achieve recognition of postures and gestures?

I'd like to investigate the possibility of achieving similar recognition as it's in Honda's ASIMO robotp.22 which can interpret the positioning and movement of a hand, including postures and gestures ...
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6 votes
4 answers
623 views

Is it possible to implement Asimov's Three Laws of Robotics?

Would it be possible to put Asimov's three Laws of Robotics into an AI? The three laws are: A robot (or, more accurately, an AI) cannot harm a human being, or through inaction allow a human being to ...
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5 votes
3 answers
781 views

How do autonomous robotic vacuum cleaners perceive the environment for navigation?

How does a domestic autonomous robotic vacuum cleaner - such as a Roomba - know when it's working cleaned area (aka virtual map), and how does it plan to travel to the areas which hasn't been ...
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8 votes
6 answers
12k views

What is the difference between artificial intelligence and robots?

What is the difference between artificial intelligence and robots?
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