Cars traction control mechanisms

Cars traction control mechanisms

Traction of a car, is actually a force that moves between cars and the road, spreading directly from the gravity of the earth. The amount of traction has a direct impact on cars speed and driving control, for this reason one of the main challenges for car designers and engineers is adjustment in cars traction force.

Adjusting chassis
So many choices—eco, normal, sport. So what exactly changes as you move over into “S” territory? That one button signals a series of adjustments throughout your car from the gas pedal all the way to the tires. Here’s what’s happening under the hood and what you’ll feel on the road. An electronic throttle in line of the cable linkages of the past means that throttle responses can be altered on the fly: a slower-acting throttle in Eco mode, or a sharper throttle in Sport—quicker to snap to attention when you step on the gas. Working alongside the throttle is the transmission. In an automatic car, the transmission will adjust its pre-programmed shift points and hold gears for longer, allowing you to rev straight to the redline—and with paddle-shifted cars, it might not even shift for you at all. In a manual-equipped car, you always had the ability to do that yourself. Some Sport experiences will revise the point at which traction control will kick in, allowing you to have more fun. Or, they just might turn off traction control altogether. Good luck out there, bud. You’re on your own.

ESP in cars stands for Electronic Stability Program, which is considered one of the most important safety systems which exists in cars. ESP is basically a term that refers to a collection of driving safety systems which all work towards keeping a car on the road in a controlled manner. These systems include traction control (TCS) and anti-lock brakes (ABS). When you’re driving a car, your control inputs, which includes use of the wheel and pedals, is monitored by sensors which send data to a central computer. This computer compares what you’re doing with how the car is responding. So if, for example, you are steering right but the car is continuing to move straight ahead, the computer can instruct the onboard safety systems to assist with this issue. If your braking hard and there’s a risk of locking up the wheels due to low grip on the road, the computer can instruct the anti-lock braking system to kick in. Another way it can help is if you accelerate hard on a wet or icy road and your driven wheels begin to spin. ESP can instruct the traction control to control acceleration in a way that will keep the car moving without any spinning of the wheels.

Traction Control System
Traction control system helps limit tire slip in acceleration on slippery surfaces. In the past, drivers had to feather the gas pedal to prevent the drive wheels from spinning wildly on slippery pavement. Many of today’s vehicles employ electronic controls to limit power delivery for the driver, eliminating wheel slip and helping the driver accelerate under control.Powerful rear-drive cars from the sixties often had a primitive form of traction control called a limited slip rear differential. Sometimes referred to as Positraction, a limited-slip rear axle will mechanically transfer power to the rear wheel with the most traction, helping to reduce, but not eliminate wheel spin. While limited-slip rear axles are still in use in many front- and rear-drive vehicles today, the device can’t completely eliminate wheel slip. Hence, a more sophisticated system was needed.

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