Method of Determining Brake Friction Coefficient Based on Wheel Side Force
A technology of friction coefficient and lateral friction, which is applied in the direction of aircraft component testing, electrical digital data processing, and special data processing applications, and can solve problems such as the inability to reasonably adjust the friction coefficient between tires and runway brakes
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[0046] In this embodiment, when the aircraft speed is 120Km / H, and the pure radial load of the wheel is 6KN, the estimation method for determining the friction coefficient of the wheel braking is determined according to different wheel lateral forces, and the specific process is:
[0047] Step 1: Measure the brake friction coefficient μ(t) of the wheel under the condition of no lateral force.
[0048] Connect the wheel product to the landing gear of the aircraft according to the actual working conditions, and ensure that the specified radial load of 6KN is applied to the wheel. By dragging the wheel to rotate by the aircraft, keep the speed direction of the aircraft consistent with the rolling direction of the wheel. Control the brake pressure to gradually increase from zero, and at the same time control the thrust of the aircraft to maintain the forward speed of the aircraft V p It is always stable at 120km / H. Brake the wheel in this way until the wheel comes to a complete ...
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