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The roll center of a vehicle is the notional point at which the cornering forces in the suspension are reacted to the vehicle body. There are two definitions of roll center. The most commonly used is the geometric (or kinematic) roll center, whereas the Society of Automotive Engineers uses a force -based definition.
Instant centre of rotation of a rolling wheel broken down into points. By breaking down the rolling wheel into several points, it can be more easily seen how all points of the wheel rotate around a single point at each instant. This point is the instant centre of rotation, shown in black.
In linear algebra, a rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space.For example, using the convention below, the matrix = [ ]
Flight dynamics is the science of air vehicle orientation and control in three dimensions. The three critical flight dynamics parameters are the angles of rotation in three dimensions about the vehicle's center of gravity (cg), known as pitch, roll and yaw.
Roll center height at design load; Mechanical (or caster) trail; Anti-dive and anti-squat; Kingpin Inclination; Scrub radius; Spring and shock absorber motion ratios; The kinematics describe how important characteristics change as the suspension moves, typically in roll or steer. They include Bump Steer; Roll Steer; Tractive Force Steer; Brake ...
The car's roll centre is the other fundamental piece of the equation. Care must be taken to avoid lowering the centre of gravity past the car's roll centre. The distance between the car's centre of gravity and its roll centre is known as the roll couple, or the length that the car rolls around. Ideally, if the roll centre and the centre of ...
Roll moment is a moment, which is a product of a force and a distance, that tends to cause a vehicle to roll, that is to rotate about its longitudinal axis. [1]
The metacentric height (GM) is a measurement of the initial static stability of a floating body. [1] It is calculated as the distance between the centre of gravity of a ship and its metacentre. A larger metacentric height implies greater initial stability against overturning.