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  2. Zeta (automobile) - Wikipedia

    en.wikipedia.org/wiki/Zeta_(automobile)

    Zeta Sedan. Zeta is a marque of automobile which was produced in Australia from 1963 to 1965 by South Australian manufacturing company Lightburn & Co.. An established manufacturer of cement mixers and washing machines, Lightburn and Co. built the cars in its factory in the Adelaide suburb of Camden Park.

  3. Axes conventions - Wikipedia

    en.wikipedia.org/wiki/Axes_conventions

    For positive y- and z-axis, we have to face two different conventions: In case of land vehicles like cars, tanks etc., which use the ENU-system (East-North-Up) as external reference (World frame), the vehicle's (body's) positive y- or pitch axis always points to its left, and the positive z- or yaw axis always points up. World frame's origin is ...

  4. Lightburn - Wikipedia

    en.wikipedia.org/wiki/Lightburn

    Lightburn may refer to: Lightburn, Glasgow; Lightburn, an area of Halfway, South Lanarkshire, Scotland; Lightburn, West Virginia; Lightburn & Co, Australian manufacturer of concrete mixers, washing machines and the Zeta automobile; Murray Lightburn, Canadian singer/songwriter

  5. Ship motions - Wikipedia

    en.wikipedia.org/wiki/Ship_motions

    The vertical/Z axis, or yaw axis, is an imaginary line running vertically through the ship and through its centre of mass. A yaw motion is a side-to side movement of the bow and stern of the ship. The transverse/Y axis, lateral axis, or pitch axis is an imaginary line running horizontally across the ship and through the centre of mass. A pitch ...

  6. Keyhole problem - Wikipedia

    en.wikipedia.org/wiki/Keyhole_problem

    This will pose practical issues for a physical system with a motor than can only move the azimuthal axis at a limited rate and acceleration. And so the keyhole problem is a fundamental issue for any real azimuth-elevation type tracking system, even if designed to reach the whole range of half-hemispherical angles.

  7. Inverted pendulum - Wikipedia

    en.wikipedia.org/wiki/Inverted_pendulum

    The inverted pendulum is a classic problem in dynamics and control theory and is widely used as a benchmark for testing control algorithms (PID controllers, state-space representation, neural networks, fuzzy control, genetic algorithms, etc.). Variations on this problem include multiple links, allowing the motion of the cart to be commanded ...

  8. 2.5D (machining) - Wikipedia

    en.wikipedia.org/wiki/2.5D_(machining)

    A 2.5D machine, also called a two-and-a-half-axis mill, possesses the capability to translate in all three axes but can perform the cutting operation only in two of the three axes at a time due to hardware or software limitations, or a machine that has a solenoid instead of a true, linear Z axis. A typical example involves an XY table that ...

  9. Gimbal lock - Wikipedia

    en.wikipedia.org/wiki/Gimbal_lock

    It is possible to imagine an airplane rotated by the above-mentioned Euler angles using the X-Y-Z convention. In this case, the first angle - α {\displaystyle \alpha } is the pitch. Yaw is then set to π 2 {\displaystyle {\tfrac {\pi }{2}}} and the final rotation - by γ {\displaystyle \gamma } - is again the airplane's pitch.