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Thread: Miscellaneous

  1. #1

    Miscellaneous



    Mecanum robot

    Published on Oct 31, 2016

    Showing off our newest Mecanum wheeled robot. Mecanum rollers allow the wheel to be mounted in a standard fashion, but give the robot the capability to move in any direction without having to turn.

  2. #2


    Airtrax Cobra

    Uploaded on Dec 26, 2009

  3. #3


    3 Wheel Rotacaster Robot
    March 16, 2016

  4. #4


    Homage Floppy Disc Robot - Mecanum Wheels

    Published on Apr 23, 2016

    Today I finished my floppy disc robot with mecanum wheels. The robot is powered by four DC Motors and a Raspberry Pi 3. I need to update the motor driver to enable to robot to drive omnidirectional driving manoeuvres.

  5. #5


    Rotacaster omni-directional wheel

    Published on May 25, 2017

    Rotacaster Omni-Directional Wheels

    Manufactured entirely from engineering resins/polymers, Rotacaster Omni-Directional Wheels are light, durable, impact and corrosive resistant. The injection moulded web-like structure of the 125mm wheel body and over-moulded rollers create a robust, high impact, corrosion resistant wheel, with no pins, inserts or seams.

    Rotacaster's unique, durable construction with its high load bearing capacity, stable mounting capabilities and smooth ride quality makes it ideal for tough environments and industrial applications.

    Omni-Directional Wheel Benefits

    360° manoeuvrability - without turning or swiveling wheels
    Better directional control and tracking
    Precise positioning - without swivel offset correction
    Minimal wheel space/housing requirements
    Simple mounting - able to tilt or lever off the fixed wheel mounting
    Non marking polyurethane rollers
    Load stability - a static centre of load relative to wheel base
    Load distribution - the ability to use multiple wheels without swivel offset resistance
    Robust - wheel frame and roller axles provide a web-like structure with over-moulded rollers
    Tough and rust free - full polymer construction with no steel pins

  6. #6


    High-speed path following control of skid-steered vehicles

    Published on Aug 17, 2017

    We present a robust path following control of skid-steered vehicles at
    higher speeds on challenging terrain. First, a kinematic model with
    experimentally identified parameters is constructed, in order to
    describe the terrain-dependent motion of skid-steered vehicles. Using
    the Lyapunov theory, a nonlinear control law is defined, guaranteeing
    the convergence of the vehicle to the path. To allow smooth and accurate
    motion at higher speeds, an additional linear velocity control scheme is
    proposed, which takes actuator saturation, path following error, and
    reachable curvatures into account. The combined solution is
    experimentally evaluated and compared against two state-of-the-art
    algorithms, by using two different robots on several different terrain
    types, at different speeds. A Robotnik Summit XL robot is tested on
    three different terrain types and two different paths at speeds up to
    2.5 m/s. A Segway RMP 440 robot is tested on three
    different terrain types and two different path types at speeds up to
    6 m/s.
    In the video, some representative experiments with the Segway RMP 440
    robot are presented.

  7. #7

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