Questions tagged [algorithm]
A step-by-step procedure for calculations. Algorithms are used for calculation, data processing, and automated reasoning.
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questions with no upvoted or accepted answers
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105 views
How to handle sensor data for a sensor-fusion algorithm
I am implementing the explicit complementary filter(see below) with a 9DOF MEMS sensors (accelerometer, magnetometer and gyroscope) for attitude estimation.
Currently, the gyro and accel update rates ...
1
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1answer
30 views
How do I convert centre-returning joystick values to dual hobby-motor direction?
Currently my setup is:
2x hobby TT motors connected to a Pi Zero with a motor HAT
Python script running on the Pi which runs a Blynk python client and controls
motors via the gpiozero library
Blynk ...
1
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0answers
50 views
ROS Algorithms & sensors
I am trying to implement boustrophedon algorithm using mobile robot. Can I implement this without map? I am planning to use dimensions (x,y) of the farm as reference assuming it is rectangular in ...
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0answers
16 views
Problem with UKF weights when calculating predicted state
I'm having troubles implementing a UKF during the calculation of $\overline{\mu_t}$, specifically in this step:
$$\overline{\mu_t} = \sum_{i=0}^{2n}w_m^{[i]}\chi_t^{*[i]}$$
My problem I'm facing is ...
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0answers
164 views
Incremental (on-the-fly) smooth trajectory interpolation algorithm from waypoints?
short version (TL;DR):
I'm receiving x(t) waypoints "online", which I must travel through at the specified times. I need an algorithm that would plan a smooth trajectory in-between them without ...
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0answers
57 views
Algorithm for orientation (pan/tilt) towards a moving point
Main Question:
note: The code in this question is pseudo-code, I'm using Python, but my pseudo-code is a mix of Python and C++.
I have a camera on the top of my robot's "head" which has pan and tilt ...
1
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0answers
36 views
Resampling step for MC variation reduction
I am reading particle filtering for robot localisation and specifically the resampling step to avoid particle degeneracy. Can anyone explain me what MC (Monte Carlo) variation means? I saw it couple ...
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0answers
63 views
How can I modeling a simple haptic interface system to obtain results similar to the paper “Time-Domain Passivity Control of Haptic Interfaces”?
I am trying to simulate the experiments in the paper "Time-Domain Passivity Control of Haptic Interfaces", Hanaford and Ryu, 2002, IEEE transactions on robotics and automation vol .18, No1 about the ...
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26 views
Algorithms for controlling low-speed movement of gearless robots
Collegues, i am a little discouraged by the lack of a clearly formed section in the literature on which algorithms are used to control the low-speed movement of gearless robots.
In my opinion, it is ...
0
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2answers
280 views
how to implement a wall following controller for a TurtleBot3? (ROS - python)
I want to implement a wall following controller for my TurtleBot3 (with ROS system).
sensors which I have on the robot: lidar(360) and optional 2 ultrasonic sensors on the side (1 on left and the ...
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0answers
34 views
A* alogorithm Path Planning in ROS
Can anyone help me out on how to do A* path planning in ROS. I went through a lot of resources, but most of them are using a 2d graph?
I just want to know the process or workflow.
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59 views
Planning minimum snap trajectories
I am working on motion planning algorithm for quadrotor. As I have learned in Coursera Aerial robotics course, trajectories for quadrotors should minimize snap which is equivalent to interpolating ...
0
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0answers
42 views
What is the correct algorithm name for this “Shortest Path Maze Solver”?
What is the correct algorithm name for this Shortest Path Maze Solver?
The algorithm works by completing the maze and at each turn storing each of the turns in an array until the maze once the maze ...
-1
votes
1answer
335 views
PID vs Fuzzy line follower
I am making a line follower to follow a white line (approx 1.7 cmm wide) on a black track. I am using an array of 5 TCRT5000 (IR led+phototransistor) to detect the line. I was previously working with ...
