Questions tagged [wheeled-robot]

Wheeled-robot is a subtype of mobile robots which uses motor driven wheel(s) to be able to move.

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Position Control of an Omni Wheel Drive Robot

I want to create a robot that will navigate on a desired path! That path can be a straight line or a circular path with a given radius. I will use 3 or 4 omni wheel drive platform and for positioning,...
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2answers
545 views

Programming language? [closed]

In general, what is a good programming language for robotics? I am a starting robo nerd and don't know anyone who would know things like this.
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1answer
681 views

Rocker bogie suspension stability

From the designs usually shown of rocker bogie systems, the whole weight of platform seems to be supported by only one rod, be it differential bar or gear. Isn't this a bit unstable system because if ...
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2answers
1k views

What is a suitable model for four-wheeled differential drive rigid-body robots?

I found a model for 2-wheeled robots here: What is a suitable model for two-wheeled robots? How should I adapt it to a 4-wheeled setting?
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3answers
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2D path following robot, converting XY axis path to input on wheels

at the moment I am creating an android program, that will steer my simple, 3 wheel (2 motors, 1 for balance) robot to move online following the path drawn by user on his screen. The robot is operated ...
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1answer
228 views

what method should I use for putting rubber bands on wheels?

I have a BOE bot PBasic2 stamp based robot that came with rubberband "tires" for the wheel. however, they are very tight and I can't figure out how to get them onto the plastic hubs. the furthest I've ...
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Which Kinect to a movement base? [duplicate]

I am making a mobile base for a robot with wheels. I want to use a Kinect like a movement sensor (to avoid obstacles, recognition of people, etc...) but I read that there is 2 models, the 360 and the ...
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1answer
4k views

How does rocker bogie keep the body almost flat?

How does rocker-bogie mechanism keep the body flat / keep the solar panel almost flat all the time? I know there is an differential system that connect both rocker bogie (left and right) together. But ...
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1answer
848 views

Strafing of Mecanum wheels

I am part of my college robotics team. We are participating in Robocon 2014 and are thinking about using mecanum wheels. We have done our research but one thing id like to clarify is: Does the number ...
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Motor Controller with micro USB interface [closed]

I am a Robotics enthusiast and planning to make a small and simple four wheel car whose motors are supposed to be controlled by an Android device housed inside the car by means of the micro USB port ...
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1answer
242 views

Does a vehicle with defferential gear still move straight?

I am in the concept phase of a driving robot. The two wheels on the front axle will be powered, while the rear will be dragged along. The rear is also responsible for steering but this has noting to ...
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1answer
277 views

What is the best way to go about building a robot hand that can type on keyboard, move &click mouse, swipe touchscreens? [closed]

How would you go about building a robot that can use a computer? Type on the keyboard, move & click mouse? I am talking about physically manipulating the hardware inputs, and the robot would be ...
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1answer
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Rotation ratio between left rocker and right rocker in rocker-bogie system

Following, the previous question, I am trying to calculate how much one rocker would rotate when the other is being rotated. I attached my calculation here. I am trying calculate the rotation of gear ...
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Where can I get A3 poster size of Mars Exploration Rover Spirit/Opportunity? [closed]

I am looking for A3 size poster of Mars Exploration Rover Spirit/Opportunity for robotic education. www.sunstartoys.com gives a little postcard-size of the MER along with its components on board ...
2
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1answer
226 views

Perfecting Tripod Gait - Building a R-Hex Robot

I need help with figuring out the following things: I'm developing a hexapod R-Hex type model with a tripod gait. However, the angles obtained during the robot's walking in real life are not ...
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2answers
287 views

How do we make our robot work?

As a holiday project we are building a surveillance robot that is capable of transmitting live images using a webcam and is also capable of lifting small objects. It uses a CC2500 module for ...
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1answer
827 views

Which is easier/cheaper: Hbridge vs ESC for controlling a motor?

I was able to find a small ESC for about $12 off of ebay. If you were designing a robot, would you see that and think? \$12 bucks for an ESC that connects to simple pulse-wave interface - sign ...
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234 views

Protecting electronics against voltage/current extremes and bad polarity

I have built a robot from a wheelchair that has worked very well thus far. It is now time for me to take the next step. I need to implement a permanent power circuit with proper protection. The ...
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3answers
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F/OSS Optical Object Avoidance

I am beginning work on a larger scale, 250-350 lbs wheeled robot and looking to use both optical and other means of object avoidance. I am concerned with a robot this large causing issues with running ...
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924 views

Is it better to have weight distributed over the wheels or the center of the robot?

When designing a standard 4 or 6 wheel robot, is it better to have the weight distributed primarily in the center of the robot, or over the wheels, or is there no difference? Specifically, which ...