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What does ABS mean in motor vehicles?

5 Answers
SanBeckett
08/30/2025, 12:50 AM

ABS, short for Anti-lock Braking System, functions by automatically regulating the braking force during vehicle deceleration to prevent wheel lock-up. It maintains the wheels in a rolling-sliding state (with a slip ratio around 20%) to ensure maximum tire-to-road adhesion. The ABS sensor is located on the inner side of the vehicle's tires and becomes visible when the car is lifted. The ABS system primarily consists of four components: wheel speed sensors, electronic control unit (ECU), hydraulic unit, and ABS warning light. Wheel speed sensors monitor the motion state of wheels, generating sinusoidal electronic pulse signals. These signals are then processed by a modulator, converted into digital signals, and transmitted to the electronic control unit. The central electronic control unit (ECU) receives input signals from wheel speed sensors, calculates wheel speed, vehicle speed, and slip ratio based on these parameters. It evaluates wheel conditions according to the slip ratio and issues control commands to the hydraulic unit. The hydraulic unit adjusts brake line pressure in response to control commands through processes including pressure maintenance, pressure increase, and pressure reduction. The ABS warning light alerts the driver to system malfunctions. When the ABS warning light illuminates, it is advised to discontinue driving as it indicates a malfunction in the vehicle's anti-lock braking system. During emergency braking, locked wheels may cause loss of control and skidding, preventing the driver from decelerating or adjusting the vehicle's trajectory, posing significant safety risks.

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MacJaxon
09/11/2025, 10:02 PM

Speaking of ABS, it's actually the abbreviation for Anti-lock Braking System. As someone quite interested in cars, I consider it an extremely important safety feature in modern driving. Simply put, when you brake hard, ABS prevents the wheels from completely locking up by using sensors to monitor each wheel's speed. If it detects a wheel about to skid, it rapidly adjusts brake pressure to allow intermittent wheel rotation, maintaining steering control to avoid obstacles. This is particularly crucial when driving on slippery surfaces or during rainy weather, where ABS provides more stable and safer braking while reducing the risk of losing control. I've personally seen test videos where cars without ABS skidded and rolled during braking, while those equipped with ABS came to a steady stop. Nowadays, many vehicles come with ABS as standard equipment. If you feel the brake pedal pulsating while driving, that's ABS activating—just keep your foot firmly on the pedal.

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JakeMarie
10/25/2025, 10:52 PM

When I first started learning to drive, experienced drivers told me what ABS does. It's called the Anti-lock Braking System, specifically designed to prevent loss of control during emergency braking. One winter when the road was slippery, I was driving too fast and suddenly had to slam on the brakes. The steering wheel vibrated violently, but the car didn't spin out or end up in a ditch—it felt like someone was helping me control the vehicle. Later, I learned that the ABS had kicked in. It automatically reduces brake pressure when the wheels are about to lock up, allowing you to still steer. This technology is especially helpful for beginners, significantly reducing the chance of collisions. In daily driving, always pay attention to whether this system is functioning properly. If the ABS warning light comes on, get it fixed promptly. In short, it makes driving much safer, and I highly recommend that new drivers familiarize themselves with their car's ABS functionality.

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TessaAnn
12/08/2025, 10:10 PM

ABS stands for Anti-lock Braking System on vehicles, which is pretty cool. I've researched that it originated from aircraft technology in the 1960s and was later adapted for civilian vehicles. Its basic function is to prevent wheel lock-up through computer control when you slam on the brakes, thereby avoiding skidding or rollover. Currently, most new vehicles are legally required to have ABS due to its excellent safety performance. For average drivers who don't understand this, imagine emergency braking on the highway - without ABS you might crash straight into guardrails, but with ABS you get a chance to escape. In short, it's an essential safety device everyone should know about.

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StZane
01/28/2026, 11:21 PM

ABS stands for the Anti-lock Braking System in vehicles. Having focused on driving safety for years, I've found it can be lifesaving in critical moments. Simply put, locked brakes cause loss of control, which ABS prevents. Statistics show vehicles equipped with ABS have significantly lower accident rates, especially on slippery surfaces. Always ensure your system functions properly - the ABS light shouldn't be on. If illuminated, it might indicate sensor failure; get it checked immediately. Additionally, ABS works even better when combined with ESP, comprehensively improving vehicle stability. Safety comes first - never neglect maintenance.

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