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Actually , I have been since two weeks looking for convinced and final solution for my problem , actually I am completely lost , I am working on mobile robot (Rover 5) with 2 motors , 2 encoders . the controller that designed to the robot needs to know the odometery of mobile robot (X ,Y, Heading Angle ) , actually I a... |
I'm currently designing a linear camera slider, that will be used to hold camera equipment weighing just about 15 Kgs including all of the lenses and monitors and everything else.
For those who don't know what a camera slider is, it's a linear slider on top of which a camera is mounted and then the camera is slided slo... |
It need not be as effective as lidar or it may have some disadvantages when compared with lidar. What are the probable alternatives?
Edit:
I'm intending to use it outdoors for navigation of autonomous vehicle. Is there any low cost LIDAR or is there any alternative sensor for obstacle detection?
|
I need two state linear actuator. You can have a look at the picture to understand what I mean.
Don't care about the hand !
(source: robaid.com)
I need to electrically move the things like this squares up and down. Bidirectional linear actuators are needed.
What is the cheapest and tiniest actuator (or sth else) tha... |
I am implementing a particle filter in Java. The problem with my particle filter implementation is that the particles suddenly go away from the robot i.e the resampling process is choosing particles which are away from robot more than those which are near.It is like particles chase the robot, but always remain behind i... |
I am trying to write a simple program where the robot(Lego NXT2) will follow a blue line.
#pragma config(Sensor, S1, , sensorCOLORBLUE)
//!!Code automatically generated by 'ROBOTC' configuration wizard !!//
task main()
{
while(true)
{
if(SensorValue[S1] == sensorCOLORBLU... |
Simply, when to use brushless dc motor and when to use Servo Motor ?
what are the differences , specially when adding an encoder to the dc motor you can have the position and it will be similar to Servo Motor ?
|
I am on a robotics team that plans to compete in a competition where one of the rules is that no sort of sonic sensor is allowed to be used. I guess that limits it to some sort of EM frequency right?
Ideally, my team is looking for a simple beacon system, where beacon A would be attached to the robot, while beacon B w... |
In EKF-SLAM (based-feature map) once the robot senses a new landmark, it is augmented to state vector. As a result, the size of the state vector and the covariance matrix are expanded. My question is about the uncertainty of the new landmark and its correlation with other pairs of the covariance matrix. How should I as... |
For my quadcopter, i turn on the quadcopter while letting it stable on the ground. But i see that the Roll, Pitch fluctuate with the max difference being 15 degree. When i protect the sensor with soft material, then i observe the max difference is around 6 degree. Is this fluctuation for the quadcopter? By the way, i u... |
I'm trying to control a plane via roll using PID controller ,
I had a problem finding the transfer function thus I used the following method :-
Fix the plane in an air tunnel
change the motor that controls the roll in fixed steps and check the
roll
thus I will have a table of roll/motor degree
next is to deduc... |
I've been using mpu6050 IMU unit ( gyro + accelerometer )
I found that I can set acc range to +/- 2g or 4g till 16 g
and same for gyro +/- 250 deg/sec , 500 deg/sec and so
I know that they are low cost and full noise , so which settings to the range are best to ensure higher accuracy ?
|
I am trying to compute forward kinematics of the Kuka youBot using DH convention:
http://www.youbot-store.com/youbot-developers/software/simulation/kuka-youbot-kinematics-dynamics-and-3d-model
The arm joint 1 and arm joint 5 are revolute and rotate about the world z-axis (pointing to the sky)
But the other 3 joints ar... |
I am designing a experiment of controlling 6 small wind turbines wirelessly. For each wind turbine, I need to measure power time series (or voltage or current time series) from the generator, and control blade pitch angle, yaw angle, and generator load (using variable resistance). The control input will be all PWM sign... |
I was playing the old "confuse the cat with a flash-light" game, when I thought that I might like to program a confuse-a-cat robot.
Something, probably with tracks, which can right itself if he flips it over, and which I can program to move randomly around a room, turning at walls, making an occasional sound or flashin... |
I had a Doyusha Nano Spider R/C mini-copter, it's controlled by a 4ch joystick 2.4 Ghz.
I look for a low cost method to control it from the computer. The software is not a problem, but how can I transform the WIFI or the Bluetooth signal of the computer to an R/C signal compatible with the mini-copter receptor?
Or is t... |
Sorry I am asking a mechanical question here, but, after all, where else people have experience with using motors? If there is a better forum for this, please do guide me.
Everywhere I've seen online, the stepper motor 28BYJ-48 is used in tutorials, to rotate on its own, or, at most, to spin a clothes pin attached to ... |
I am trying to make a simple robot with few functionality for someone, one of these functionality is inflating a balloon inside the robot, I know how to control a compressor using Arduino but the problem is that the requested task is bit different here:
There must be an air exit and it must be controllable through ardu... |
I recently built a self-driving vehicle-type robot for a competition, and am looking to sell sensors (GPS, INS, etc.) used in order to have money for the next project. Is ebay where people tend to go looking for used sensors and hardware?
|
I have a project that requires me to be able to accurately and repeatedly rotate an object 120 degrees.
The object is small and lightweight (let's say several grams). The axis does not necessarily have to always spin the same direction. It simply needs to be able to stop reliably at 0, +/- 120, and +/-240 degrees from ... |
I am planning to control multiple Dynamixel servos (MX28T or MX-64T) wirelessly using Arduino Mega. Since this servo uses serial communication, I need an additional serial port to interface with Xbee module. Although it seems to be very common application controlling these servos wirelessly based on Arduino, I could't ... |
I'm currently programming an app for a robot and I'd like to make him map a zone and then make him move autonomously from one point to another.
I have to solve a SLAM problem, but the biggest matter is that I can't use landmarks to find myself in the environment. The robot just has the abilities to move, and to make di... |
This is for a battle robot in the hobby-weight class (5.44 Kg max)
I want to drive the robot using 2 cordless drill motors rated at 14.4 volts. I have 4S LIPOs which means I have 4 x 3.7 volts or 14.8 volts. So far so good.
The problem is that I bought 2 ESCs and only afterwards noticed that they are rated for 2-3S (... |
This is for a Hobby-weight (5.44 Kg) battle robot.
I bought two ESCs for my drive motors but the ESCs do not have a reverse function (or brake for that matter).
Is there any simple way I can achieve this through maybe either:
The R/C settings (setting middle position of joystick as stopped, top-wards as forward and b... |
Newbie to robotics here!
I bought a 5S LIPO but now realise that it is overkill. And these things are expensive!
So, given that (as far as I know) the pack is apparently made up of individual cells of 3.7 volts each, is there any way in which I could somehow (safely) separate out the cells to get a 3S and a 2S or even... |
How can I periodically estimate the states of a discrete linear time-invariant system in the form $$\dot{\vec{x}}=\textbf{A}\vec{x}+\textbf{B}\vec{u}$$
$$\vec{y}=\textbf{C}\vec{x}+\textbf{D}\vec{u} $$if the measurements of its output $y$ are performed in irregular intervals? (suppose the input can always be measured).... |
How could I compute the shortest path between point a and b using wave planner?
I don't see how using the wave planner would give me the shortest; it would just give me a path! As far as I can tell, I would only be able to give a random path to the destination, but nothing else than that.
|
I know that some DC motors produce a lot of torque but only actually move at a very slow rate, while others do the exact opposite. I know that I need some sort of balance between torque and the RPM's of the motor for use in a underwater thruster, but I am not sure what I should favor more, torque or RPM's? Also, it wou... |
I have a question regarding the implementation of a quadrotor's position controller.
In my Matlab model the quadrotor takes 4 inputs: a desired altitude ($Z_{des}$) and desired attitude angles($\Phi_{des}$, $\Theta_{des}$, $\Psi_{des}$) which reflects the motion described by the differential equations of the model (se... |
I would like to estimate the yaw angle from accelerometer and gyroscope data. For roll and pitch estimate I've used the following trigonometric equations:
roll = atan2(Ax,Az) * RAD_TO_DEG
pitch = atan2(Ay,Az) * RAD_TO_DEG
and a simpified version of the Kalman Filter to consider also angular rates. The roll and pitc... |
I use MPU9150, also use DCM and Complimentary filter to compute roll, pitch and yaw. However, my Yaw is not so smooth. How can I solve that problem?
I looked at the datasheet of MPU9150, but I didn't see anything related to sampling frequency of magnetometer like gyro and accel.
|
I'm building an autonomous sail boat (ripped out the guts of an RC sail boat and replaced with my own mainboard etc.)
The controller board I have can accommodate both an MPU9150 and an HMC5883. Is there any advantage is using both magnetometers for a tilt-compensated heading? I'm thinking that I could compute the unit ... |
I am looking to write and test my own control algorithms for tricopter flight. I am looking for a simulator that can simulate a tricopter but at the level of receiving simulated PWM and returning simulated gyro, compass and other sensor readings. Ideally it would also have graphics for visualization (need not be fancy)... |
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 acceleration I am always assuming that the linear velocity of the wheels is the same as the robots when the robot is moving on a st... |
I'm looking for a way to transport balls (diameter 50mm) 220 mm up with over a slope with a length of 120 mm. Currently I'm considering the usage of a belt system but I cannot seem to find a good belt system.
Because of space constraints within my robot, normally I would probably take a nylon belt and jam nails trough ... |
I'd like to track my run in an indoor tennis court. GPS won't be available so I was thinking researching for other solutions:
Accelerometer: I concluded it's a no go because while playing tennis the player makes a lot of movements that include spinning his body that can alter the data.
Then I thought that a 3/4 point I... |
I want to communicate the Tiva C ARM Cortex M4 to sensorhub from TI which has multiple sensors with different I2C addresses such as MPU9150, BMP180, Temperature Sensors...
With a single I2C slave, i can communicate to it successfully, but if my project involves interface Microcontroller with both MPU9150 and BMP180, th... |
I want to build a simple obstacle avoider robot, but this time I want it to be self-recharging so I am building a dock for this purpose, so I want it to be able to locate the dock and go for it when battery voltage is lower than a fixed value.
I am having trouble to chose the right components for locating the dock, I t... |
I have a basic question because I'm trying to understand right now a concept that I thought it was obvious.
Looking at this video he is going to feedback the variable state x with the input of the system, which is a force f.
Now, if I'm correct it is only possibile to feedback variables which share the same units, so ... |
I am trying to make a nerf sentry gun to shoot my co workers. I am building it more or less from scratch and have come to the part where I need to come up with plans to assemble it. I am looking for advice on how to mount the mg995 servos to allow them to tilt and pan. I originally thought about having a base with a me... |
I have this idea or a very curious question in my mind. I am no where near professional though, but i would like it to be answered.
We all know how wind turbines can be used to generate electricity. So is it possible to create a quadcoptor that will start with some minimal power by small battery but in time will susta... |
I am currently building a hobby-weight (5.44kg) robot and will be using 2 x 14.4 cordless driller motors for my wheels.
The thing is I keep reading about high amperages when working with r/c models such as quadcopters BUT when I connect my cordless driller motor to my bench power supply and monitor current draw it nev... |
I am currently building a hobby-weight robot (5.44kg) and will be using 2 x 14.4v cordless drill brushed motors to drive my wheels.
I have read somewhere that due to "induced currents" when I turn the motor off (or reverse it presumably?) I should protect it by using a diode or a capacitor across the terminals.
Which... |
I am building a Hobby-weight robot and my weapon of choice is a spinning disk at the front.
As regards the disk I was thinking of buying commercial (grinder-type) disks and change type of disk depending on the "enemy's" chassis construction material. So for instance I would have an aluminum cutting disk if the enemy's ... |
In a lab build I'm doing, I'm stuck at this problem, so I am fishing for suggestions.
I'm creating a turn-table type setup where I need to make readings (with a nanotube-tip probe I've already designed, similar to an AFM probe) on the very edge/circumference of a 10 cm radius disk (substrate).
The current hurdle is: I ... |
I am new to Morse and robotics.
This code control the robot by giving the linear and angular velocity.
This is the scene description
from morse.builder import *
robot = ATRV()
motion = MotionVW()
motion.add_stream('socket')
robot.append(motion)
semanticL = SemanticCamera()
semanticL.translate(x=0.2, y=0.3, z=0.9)
robo... |
I am currently building a hobby-weight (5.44kg) robot. The weapon will be a vertical spinning disk at the front. It will probably be a commercial one from the hardware store or I could maybe get one made.
I have 2 cordless drill motors to drive my wheels so I should be ok there, but I am still lost where it comes to wh... |
I want to analyze a traffic scene. My source data is a point cloud like this one (see images at the bottom of that post). I want to be able to detect objects that are on the road (cars, cyclists etc.). So first of all I need know where the road surface is so that I can remove or ignore these points or simply just run a... |
I am building an autonomous robot using PID control algorithm. So, far I have implemented PID using online resources/references. I am testing for stabilizing an axis of the quad copter. However, I am not successful to stabilize even one axis.
Description: My input for the PID is an angle value i.e the orientation of th... |
I am looking for some figures surrounding the specs of brushless motors and their relative efficiency (in power usage terms) for multi-copter use.
There are 4 basic specs for motors themselves:
- Motor width (EG 28mm)
- Motor height (EG 30mm)
- "KV" - RPM per volt supplied (EG 800KV)
- wattage (eg 300w)
This would... |
I've got my hands on this laser range scanner but seem to have some problem receiving any output from it.
I can't find any guide on how to set it up on the internet, so I was wondering if it is even possible to set it up for mac or shall i do it using Linux and ROS ?
|
I am working on a project but I lack advanced programming knowledge, especially about genetic algorithms. I am developing a prototype using WEBOTS 7.4.3 for the simulation. The project is to use genetic algorithms to evolve the gait of a biped robot. I have developed a physical model, but I am still uncertain about the... |
I have been going through a code base for multi agent motion planning. And I came across a recursive tree building algorithm for the agents. I haven't been able to figure out the algorithm. Does anyone know what it is called? Or any other similar kinds of algorithms so I could read more about it?
Here is what I got fro... |
I have the following code for the ros turtlesim:
#include <ros/ros.h>
#include <std_msgs/String.h>
#include "geometry_msgs/Twist.h"
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void disruptcb(geometry_msgs::Twist msg) {
ros::NodeHandle pubHandle;
ros::Publisher publisher = pubHan... |
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 automatically goes to the place where a specific signal(like infrared ray) is emitting.
Following is the scenario that i've imagi... |
I am simulating a wheeled robot of six-wheels and can be independently steered, like MER-Opportunity.
The wheeled robot can perform throttling forward,
||---|| <--wheel orientation
|| ||
||---||
crab-motion,
//---// <--wheel orientation when heading is 45
// //
//---//
and turning on the spot.
//---\\ <--wheel ... |
I am writing a kinematics library in Go as part of my final year project. I am working with Product of Exponentials method and have successfully implemented the Forward Kinematics part of this. I need help with the Inverse Kinematics.
I understand the theoretical aspect of it. I would like a numerical example where ac... |
I've just started taking a robotics course and I am having a little problem.
I need to rotate the $O_i-1$ coordinate system into a position, where $X_i-1$ will be parallel with $X_i$.
The transformation matrix is given, but I have no idea how I can figure out this transformation matrix from the picture that can be fou... |
I was wondering if there was a good book or paper that surveys current techniques in local navigation? The earliest one I could find was from 2005 and I was hoping to find something more recent.
I have worked with certain approaches such as the dynamic window approach and the velocity obstacles approach. I'm hoping fo... |
Im currently designing a robot for my undergraduate project. One of the task of this robot is to follow the wall. For the purpose I'm using a PID control system, where the reference is given from a ultrasonic sensor. So my problem here is im having a hard time tuning the PID. I know i can find the P coefficient pretty ... |
I've build a simple wheeled robot based on two continuous servos, controlled by Raspberry Pi running ROS-groovy, with a smart phone mounted on top to provide additional sensors. I'd like to situate the bot in a room and have it move to various points on command. I don't have laser ranger finder but do have a good ult... |
By watching this video which explains how to calculate the classic Denavit–Hartenberg parameters of a kinematic chain, I was left with the impression that the parameter $r_i$ (or $a_i$) will always be positive.
Is this true? If not, could you give examples where it could be negative?
|
So, I am designing a rover that will navigate to a rock, and then calculate the height of the rock. Currently, my team's design involves using an ultrasonic rangefinder and lots of math. I was interested in what sensors you would use to solve this problem, or how you would go about it? Assume that the rover has already... |
I'm building camera device which is able to take pictures of paragliders in mid air.
To let the camera know where the glider is I thought about using GPS data from the pilot's smartphone.
My question is: What are possible ways to transmit the GPS data to the groundstation and which can be considered a good solution?
I ... |
I am a web developer. I am fascinated by Quadrocopters and i am trying to learn how to build one and basically i am trying to jump into robotics fields. I don't have much electric circuit and electronics knowledge so i did some research on how to build and what type of knowledge you would require to develop such flying... |
Instantaneous rate of change of displacement is given by,
v(t) = (s(t + dt) - s(t))/dt, where dt tends to 0
while average rate of change of displacement is given by,
v(t) = (s(t[n]) - s(t[n-1]))/(t[n] - t[n-1])
The first one gives the slope or derivative of a displacement function at a particular instant of time and... |
I'm building a robot that uses a beaglebone black, however I have several different usb devices that I want to connect to it (microphone, usb sound device and some other things). Now I have heard that the usb output of the beaglebone doesn't power more then 0.1A. So the combined draw of these usb devices is likely to e... |
I'm trying to track a simple robot (e.g. arduino, raspberry pi, even toys) in a room using fixed location kinect sensor(s) and cameras at different parts of the room. How might one usually use to do this?
Edit 1: More specifically, I want to know the position (and if possible, orientation) of an moving object in the ... |
We are working on a project which requires us to detect and hit a ball. We are trying to accomplish the task by detecting the position of ball by processing the input from a camera. The problem is that we are required to do this in very bright lights. The bright lights are making it difficult to detect the white colore... |
I am constructing a 5.44Kg Hobby-weight battle robot and one of the safety rules is that the robot must have a power switch that turns off power to the motors (and weapon).
The robot has three sub-systems; the drive motors (one battery), the weapon (another battery) and some lighting (a small 9 volt battery).
I have re... |
I'm trying to import the tutorial robot given at this link
However this gives the following error:
Error [Param.cc:181] Unable to set value [1,0471975511965976] for key[horizontal_fov]
Error [Param.cc:181] Unable to set value [0,100000001] for key[near]
Error [parser_urdf.cc:2635] Unable to call parseURDF on robot mod... |
I'm currently developing a SLAM software on a robot, and I tried the Scan Matching algorithm to solve the odometry problem.
I read this article :
Metric-Based Iterative Closest Point Scan Matching
for Sensor Displacement Estimation
I found it really well explained, and I strictly followed the formulas given in the arti... |
I have been working with the Velocity Obstacles concept. Recently, I came across a probabilistic extension of this and couldn't understand the inner workings.
Source: Recursive Probabilistic Velocity Obstacles for Reflective Navigation http://www.morpha.de/download/publications/FAW_ASER03_Kluge.pdf
What does the equa... |
I'm reading this pdf. The dynamic equation of one arm is provided which is
$$
l \ddot{\theta} + d \dot{\theta} + mgL sin(\theta) = \tau
$$
where
$\theta$ : joint variable.
$\tau$ : joint torque
$m$ : mass
$L$ : distance between centre mass and joint.
$d$ : viscous friction coefficient
$l$ : inertia seen at the rota... |
I bought 2 brushed motor controllers from China to use with my hobby-weight battle robot (http://www.banggood.com/ESC-Brushed-Speed-Controller-For-RC-Car-Truck-Boat-320A-7_2V-16V-p-915276.html).
These are intended for use with my 2 cordless drill motors which will be driving the left and right wheel respectively. The... |
I bought 2 brushed motor controllers from China to use within my hobby-weight battle robot (http://www.banggood.com/ESC-Brushed-Speed-Controller-For-RC-Car-Truck-Boat-320A-7_2V-16V-p-915276.html).
These are intended for use with my 2 cordless drill motors which will be driving
the left and right wheel respectively. T... |
I bought 2 brushed motor controllers from China for my hobby-weight battle robot (http://www.banggood.com/ESC-Brushed-Speed-Controller-For-RC-Car-Truck-Boat-320A-7_2V-16V-p-915276.html).
These are intended for use with my 2 cordless drill 14.4v motors which will be driving the left and right wheel respectively.
I will... |
I am building a drone using the raspberry pi and I am using 6*PID controllers to control the speed and the value for each angle, can I use a recurrent neural network (RNN) or other neural network to stabilize the angles. If so what can the training data be? What type of neural network (NN) is best suited for this kind ... |
As far as i understand, AHRS use orientation reference vectors to detect orientation error. And we can use magnetometer to correct yaw drift. But i see from my ak895 magnetometer that the data is not so stable, it kind of fluctuates continuously.
How can we use this data for AHRS algorithm?
|
Based on the wiki page of ESC, the ESC generally accepts a nominal 50 Hz PWM servo input signal whose pulse width varies from 1 ms to 2 ms
http://en.wikipedia.org/wiki/Electronic_speed_control
For our project, we integrate a flight controller for our UAV, Naza m-lite and we want to implement position control. We alread... |
The beaglebone black which I work on has only 2 i2c busses. Say for some crazy reason, i need to use 8 i2c busses. I dont want to chain any of the devices. The idea is to have every device's SDA line separated and use a shared SCL line so i can use the same clock and have as many SDA lines as i want. Since the SCL cloc... |
I have just sized the DC motors I want to use (corresponding to my robot and its intended applications - my figures include a 50% uncertainty factor to account for friction in reducers and other losses). Now I need to actually choose the exact motors I want to buy from the manufacturer (I am targeting maxon motors as I... |
We are using Naza-M-Lite for our flight controller without GPS. The localization is obtained through our RGB-D camera sensor. We are able to teleoperate and even implement PID controllers for Roll, Pitch, Yaw and Throttle channels for our quadrotor. However, we do not know the plant model because what we are inputting ... |
I am trying to create a model for the NAO [robot]'s motors. The figure below shows the step response for the knee motor. Afaik the NAO internally uses a pid controller to control the motor. I have no control over the pid or it's parameters. Thus I would like to treat the motor including pid as a black box. Theoreticall... |
I have just sized the DC motors I want to use (corresponding to my robot and its intended applications - my figures include a 50% uncertainty factor to account for friction in reducers and other losses). Now I need to actually choose the exact motors I want to buy from the manufacturer (I am targeting maxon motors as I... |
I have just sized the DC motors I want to use (corresponding to my robot and its intended applications - my figures include a 50% uncertainty factor to account for friction in reducers and other losses). Now I need to actually choose the exact motors I want to buy from the manufacturer (I am targeting maxon motors as I... |
I have just sized the DC motors I want to use (corresponding to my robot and its intended applications - my figures include a 50% uncertainty factor to account for friction in reducers and other losses). Now I need to actually choose the exact motors I want to buy from the manufacturer (I am targeting maxon motors as I... |
I have just sized the DC motors I want to use (corresponding to my robot and its intended applications - my figures include a 50% uncertainty factor to account for friction in reducers and other losses). Now I need to actually choose the exact motors I want to buy from the manufacturer (I am targeting maxon motors as I... |
I have just sized the DC motors I want to use (corresponding to my robot and its intended applications - my figures include a 50% uncertainty factor to account for friction in reducers and other losses). Now I need to actually choose the exact motors I want to buy from the manufacturer (I am targeting maxon motors as I... |
My yaw angle varies from -180 degree to 180 degree.
-170 170
-135 135
-90 90
45 45
10 -10
... |
I'm working on a robotics platform and we need an on-board Ubuntu machine to run ROS image recognition.
Does anyone know of a good set of computer hardware that has
NO screen
NO keyboard
Built-in battery (for charging separate from the robot)
Quite a bit of compute power (i5+, 4+ GB ram)
I thought about using a lapto... |
I am trying to localize an object in a point cloud using ROS, PCL. For that I capture the scene and model using Asus xtion pro sensor. I use RGBDSLAMv2 for capturing the model.
Then I use ICP (nonlinear version) to find the transform from the model to each cluster of the cloud. The cluster with the lowest score is cho... |
I'm really willing to understand and implement such a controller (sliding mode) for a quadrotor.
I've found this interesting document explaining that topic.
If you scroll down until page 381 (don't be scared, the document is just 6-7 pages) you can find the following height control law (equation .19):
$$
U_1 = \frac{m}... |
I want to build a robotic vacuum. I have a 400W 24V vacuum motor that I want to switch on automatically at a set time every night. The batteries I will be using will be 2x12V 80aH deep cycle gel batteries connected in series. I want the Arduino to switch the motor on and off. So my first real question I guess is will t... |
I am trying to implement a monte carlo localization/particle filter localization with a simple range sensor. The range sensor only sees in the direction the robot is heading and returns back any obstacle in its line of sight. If there is no obstacle, then the sensor returns back the distance to the boundary wall i.e. t... |
A motor needs to spin n*360 degrees. On top of the motor there are distance sensor which scan the room. I.e. lidar. What options do I have for implementing a continous rotation while having cables which are in the way?
|
I have robot vision system which consists of conveyor with encoder, two cameras (gigabit eth and usb) and simple illuminator.
I need to trigger cameras and illuminator when encoder reaches position interval.
I'm considering using real time operating system for this task:
Encoder, illuminator and cameras connected to PC... |
Ok apologies for those who think my questions are not direct enough as I got warned about this. I am really new to this and I will try to keep this one direct enough for the forum.
For obvious reasons I cannot test this out without damaging something so would prefer to learn from the experience of others.
I have a "Tu... |
My problem is that when i hold my sensors (MPU9150) so that +y axis is downward, and y axis is on the horizontal plane, i expect that pitch = 90 degree, and roll = 0 degree, but actually pitch = 90 degree, and roll = 160 degree. However, when roll = 90 degree and pitch = 0 degree (That is what i expect). Do you know w... |
Which of the following simulators is the best choice for simulating a swarm of AUVs working together to perform a mission? Please clarify your reason and if you know any better choice, I would greatly appreciate it if you kindly help me. Please consider the need for doing Hardware-In-The-Loop(HIL) simulation.
Webots
... |
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