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Hunting oscillation

Index Hunting oscillation

Hunting oscillation is a self-oscillation, usually unwanted, about an equilibrium. [1]

59 relations: Acceleration, Adhesion, Adhesion railway, Angular velocity, Axle, Blomberg B, Bogie, Contact mechanics, Control engineering, Curvature, Damping ratio, Derailment, Derivative, Diameter, Differential (mechanical device), Directional stability, Dynamics (mechanics), Energy, Flange, Force, Friction, Frictional contact mechanics, Geometry, Gyroscope, Hovertrain, Inertia, Inertial frame of reference, Kinematics, Kinetic energy, Machine taper, Maglev, Mass, Mechanical equilibrium, Moment of inertia, Newton's laws of motion, Oscillation, Parallel (geometry), Potential energy, Proceedings of the Institution of Mechanical Engineers, Rail profile, Rail transport, Road–rail vehicle, Rolling resistance, Self-oscillation, Shinkansen, Similarity (geometry), Simple harmonic motion, Speed wobble, Stiffness, Structural load, ..., TGV, Tire, Toe (automotive), Track gauge, Train, Trajectory, Vehicle dynamics, Wear, Wheelset (rail transport). Expand index (9 more) »

Acceleration

In physics, acceleration is the rate of change of velocity of an object with respect to time.

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Adhesion

Adhesion is the tendency of dissimilar particles or surfaces to cling to one another (cohesion refers to the tendency of similar or identical particles/surfaces to cling to one another).

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Adhesion railway

An adhesion railway relies on adhesion traction to move the train.

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Angular velocity

In physics, the angular velocity of a particle is the rate at which it rotates around a chosen center point: that is, the time rate of change of its angular displacement relative to the origin.

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Axle

An axle is a central shaft for a rotating wheel or gear.

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Blomberg B

The Blomberg B is a "B" diesel locomotive truck.

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Bogie

A bogie (in some senses called a truck in North American English) is a chassis or framework carrying wheelsets, attached to a vehicle, thus serving as a modular subassembly of wheels and axles.

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Contact mechanics

Contact mechanics is the study of the deformation of solids that touch each other at one or more points.

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Control engineering

Control engineering or control systems engineering is an engineering discipline that applies automatic control theory to design systems with desired behaviors in control environments.

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Curvature

In mathematics, curvature is any of a number of loosely related concepts in different areas of geometry.

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Damping ratio

Damping is an influence within or upon an oscillatory system that has the effect of reducing, restricting or preventing its oscillations.

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Derailment

A derailment occurs when a vehicle such as a train runs off its rails.

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Derivative

The derivative of a function of a real variable measures the sensitivity to change of the function value (output value) with respect to a change in its argument (input value).

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Diameter

In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.

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Differential (mechanical device)

A differential is a gear train with three shafts that has the property that the rotational speed of one shaft is the average of the speeds of the others, or a fixed multiple of that average.

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Directional stability

Directional stability is stability of a moving body or vehicle about an axis which is perpendicular to its direction of motion.

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Dynamics (mechanics)

Dynamics is the branch of applied mathematics (specifically classical mechanics) concerned with the study of forces and torques and their effect on motion, as opposed to kinematics, which studies the motion of objects without reference to these forces.

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Energy

In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.

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Flange

A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera; or for a flange of a rail car or tram wheel.

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Force

In physics, a force is any interaction that, when unopposed, will change the motion of an object.

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Friction

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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Frictional contact mechanics

Contact mechanics is the study of the deformation of solids that touch each other at one or more points.

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Geometry

Geometry (from the γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.

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Gyroscope

A gyroscope (from Ancient Greek γῦρος gûros, "circle" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation and angular velocity.

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Hovertrain

A hovertrain is a type of high-speed train that replaces conventional steel wheels with hovercraft lift pads, and the conventional railway bed with a paved road-like surface, known as the track or guideway.

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Inertia

Inertia is the resistance of any physical object to any change in its position and state of motion.

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Inertial frame of reference

An inertial frame of reference in classical physics and special relativity is a frame of reference in which a body with zero net force acting upon it is not accelerating; that is, such a body is at rest or it is moving at a constant speed in a straight line.

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Kinematics

Kinematics is a branch of classical mechanics that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the mass of each or the forces that caused the motion.

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Kinetic energy

In physics, the kinetic energy of an object is the energy that it possesses due to its motion.

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Machine taper

A machine taper is a system for securing cutting tools or toolholders in the spindle of a machine tool or power tool.

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Maglev

Maglev (derived from magnetic levitation) is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track as in levitation (hence Maglev, Magnetic-levitation), then another set to move the 'floating train' ahead at great speed taking advantage of the lack of friction.

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Mass

Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.

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Mechanical equilibrium

In classical mechanics, a particle is in mechanical equilibrium if the net force on that particle is zero.

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Moment of inertia

The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body is a tensor that determines the torque needed for a desired angular acceleration about a rotational axis; similar to how mass determines the force needed for a desired acceleration.

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Newton's laws of motion

Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.

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Oscillation

Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.

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Parallel (geometry)

In geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel.

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Potential energy

In physics, potential energy is the energy possessed by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

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Proceedings of the Institution of Mechanical Engineers

The Proceedings of the Institution of Mechanical Engineers were first published by the Institution of Mechanical Engineers (IMechE) in 1847.

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Rail profile

The rail profile is the cross sectional shape of a railway rail, perpendicular to its length.

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Rail transport

Rail transport is a means of transferring of passengers and goods on wheeled vehicles running on rails, also known as tracks.

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Road–rail vehicle

A road–rail vehicle is a vehicle which can operate both on rail tracks and a conventional road.

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Rolling resistance

Rolling resistance, sometimes called rolling friction or rolling drag, is the force resisting the motion when a body (such as a ball, tire, or wheel) rolls on a surface.

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Self-oscillation

Self-oscillation is the generation and maintenance of a periodic motion by a source of power that lacks any corresponding periodicity.

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Shinkansen

The, colloquially known in English as the bullet train, is a network of high-speed railway lines in Japan.

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Similarity (geometry)

Two geometrical objects are called similar if they both have the same shape, or one has the same shape as the mirror image of the other.

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Simple harmonic motion

In mechanics and physics, simple harmonic motion is a special type of periodic motion or oscillation motion where the restoring force is directly proportional to the displacement and acts in the direction opposite to that of displacement.

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Speed wobble

Wobble, shimmy, tank-slapper, speed wobble, and even death wobble are all words and phrases used to describe a quick (4–10 Hz) oscillation of primarily just the steerable wheel(s) of a vehicle.

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Stiffness

Stiffness is the rigidity of an object — the extent to which it resists deformation in response to an applied force.

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Structural load

Structural loads or actions are forces, deformations, or accelerations applied to a structure or its components.

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TGV

The TGV (Train à Grande Vitesse, "high-speed train") is France's intercity high-speed rail service, operated by the SNCF, the state-owned national rail operator.

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Tire

A tire (American English) or tyre (British English; see spelling differences) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface traveled over.

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Toe (automotive)

In automotive engineering, toe, also known as tracking, is the symmetric angle that each wheel makes with the longitudinal axis of the vehicle, as a function of static geometry, and kinematic and compliant effects.

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Track gauge

In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails.

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Train

A train is a form of transport consisting of a series of connected vehicles that generally runs along a rail track to transport cargo or passengers.

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Trajectory

A trajectory or flight path is the path that a massive object in motion follows through space as a function of time.

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Vehicle dynamics

For vehicles such as cars, vehicle dynamics is the study of how the vehicle will react to driver inputs on a given road.

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Wear

Wear is the damaging, gradual removal or deformation of material at solid surfaces.

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Wheelset (rail transport)

A wheelset is the wheel - axle assembly of a railroad car.

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Hunting (engineering).

References

[1] https://en.wikipedia.org/wiki/Hunting_oscillation

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