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Damping ratio: is a non-dimensional characterization of the decay rate relative to the frequency, approximately = /, or exactly = / + <. Q factor : Q = 1 / ( 2 ζ ) {\displaystyle Q=1/(2\zeta )} is another non-dimensional characterization of the amount of damping; high Q indicates slow damping relative to the oscillation.
While shock absorbers serve the purpose of limiting excessive suspension movement, their intended main purpose is to damp spring oscillations. ... Damping rate ...
Damping is the control of motion or oscillation, as seen with the use of hydraulic gates and valves in a vehicle's shock absorber. This may also vary, intentionally or unintentionally. Like spring rate, the optimal damping for comfort may be less, than for control. Damping controls the travel speed and resistance of the vehicle's suspension.
An active suspension is a type of automotive suspension that uses an onboard control system to control the vertical movement of the vehicle's wheels and axles relative to the chassis or vehicle frame, rather than the conventional passive suspension that relies solely on large springs to maintain static support and dampen the vertical wheel movements caused by the road surface.
An ideal suspension would offer more damping to greater suspension forces, with less damping at low speeds for a smoother ride. Frictional dampers though had a mostly constant rate. This was even greater when stationary, owing to stiction between stationary plates. [1] [10] For larger bumps the damping may even be reduced. This is particularly ...
Pressure flows from the hydraulic circuit to the suspension cylinders, pressurizing the bottom part of the spheres and suspension cylinders. Suspension works by means of a piston forcing LHM into the sphere, compressing the nitrogen in the upper part of the sphere; damping is provided by a two-way 'leaf valve' in the opening of the sphere.
On a motorcycle with a single shock absorber rear suspension, a single shock absorber connects the rear swingarm to the motorcycle's frame. Typically this lone shock absorber is in front of the rear wheel, and uses a linkage to connect to the swing arm. Such linkages are frequently designed to give a rising rate of damping for the rear. [15]
Automotive suspension design is an aspect of automotive engineering, ... Selecting the rates of the bushings; ... the mass and mechanical hysteresis (damping effect) ...