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Category: New cars

Not Just A Barbell

2024

Video: Not Just A Barbell

Video: Not Just A Barbell
Video: Какой вес может удерживать штанга? | ИСПЫТАНИЕ НА ПРОЧНОСТЬ 2024, March
Not Just A Barbell
Not Just A Barbell
Anonim

EQUIPMENT

/ NEW

NOT JUST A BAR

TRANSVERSE STABILITY STABILIZER … GET INTELLIGENCE

This U-shaped bracket connecting the levers of the right and left wheels can be found in almost any passenger car. If it weren’t, in corners the body would roll dangerously outward under the influence of a tipping moment. But, as always happens, there is a flip side to the coin: tightly coupled wheels not only impair ride, but also contribute to the car breaking into a skid.

An independent suspension with a stabilizer makes it possible to compromise: a slight change in the thickness of the rod significantly affects the behavior of the car and its handling. By the way, one of the measures taken to improve the stability of the Audi TT at high speeds was to change the diameters of the front and rear stabilizers by only 1 mm: one became tougher, the other more malleable.

But even compromise solutions do not allow you to create the perfect suspension for all occasions: you will not change the bar before entering the bumpy country road!

So TRW experts from Livonia, Michigan, came up with an adjustable stabilizer. The ends of a horizontally located U-shaped bracket are connected by vertical rods to the suspension arms, and a hydraulic cylinder connected to the control system is installed in the gap of one of these rods. She receives signals from the lateral acceleration sensor - the accelerometer - and decides to increase the pressure of the working fluid. This is equivalent to an increase in the stiffness of the stabilizer and reduces the roll of the body in the corner. True, only as long as the lateral acceleration does not exceed the threshold of 0.4 g - then the pressure drops sharply and the body tilts, thereby informing the driver about approaching a critical value. When driving in a direct pressure, there is almost no pressure in the cylinder and the suspension becomes actually independent.

Of course, intermediate stabilizer states are also possible - the computer will select them in an optimal way for the given conditions. By the way, the hydraulic cylinder did not require another pump: pressure is taken from the power steering circuit.

The new stabilizer will prove to be useful for cars of different classes - from off-road vehicles to racing cars - by making the suspension of the first truly off-road and allowing the second pilots to adjust the stiffness for a specific track.

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