It is a known fact that vehicles have become more sophisticated and have been designed to achieve feats that used to be unimaginable and seen as “impossicant” (impossible and cannot) decades ago. A race car is now designed to achieve 0-60MPH (100KMH) in little over 2 seconds and will come to a complete halt from same speed in less than 5 seconds. Lighter, yet more durable materials are now used to manufacture cars to increase fuel efficiency while a variety of “Driver Assist” system such as Cruise-Control, All Wheel Drive systems are now integrated to give the driver more flexibility and reduce the stress of driving. It however cannot be overemphasized that these advancement needs to be put in check to prevent avoidable crashes which could lead to fatalities.
Automobile safety is the study and practice of design, construction, equipment and regulation to minimize the occurrence and consequences of automobile accidents
A stroll down memory lane reveals what we used to consider safety measures on a vehicle includes but not limited to; good tyres, headlamps with good visibility range, seat belts (without pretensioners), and other not mentioned. But can all of these provide both the occupants and pedestrian with the much needed safety from these contraptions? The answer is not really! If that is the case, we need to know and understand also the advancements and their functionality of the modern safety features developed and installed on them.
We start by categorizing them. Internationally vehicle safety features are categorized into; (a) Active and, (b) Passive Safety features.
ACTIVE safety features refer to thetechnology assisting in the prevention of a crash, while PASSIVE safety feature refer to components of the vehicle that help to protect occupants and recently pedestrians during a crash.
SOME ACTIVE SAFETY COMPONENTS
The National Highway Traffic Safety Administration has required that all U.S. passenger vehicles weighing 10,000 pounds or less be equipped with a tire-pressure monitoring system by the 2008 model year. But it’s already a safety feature in most new autos. (For example, BMW offers this as standard equipment on all of its models.) Sensors at the wheels are able to alert you if the air pressure is too low by an audible warning, a light on the instrument panel, or both. You may also see more cars with run-flat tires (the Corvette, among the current offerings), which allow a vehicle to continue to run at a relatively high rate of speed for 50-plus miles.
Modern cruise control goes beyond just maintaining a constant speed. Thanks to sensors and the use of radar, cruise control can now adjust the throttle and brakes to keep a safe distance from the vehicle in front of you if there are changes in traffic speed or if a slowpoke cuts in. If the system senses a potential collision, it typically will brake hard and tighten the seatbelts. Once it knows the lane is clear or traffic has sped up, it will return your car to its original cruising speed, all without your input. Of course, you may override the system by touching the brakes. The Mercedes-Benz and Maybach systems go by a less obvious name: Distronic.
This technology is designed to alert you to cars or objects in your blind spot during driving or parking, or both. Usually it will respond when you put on your turn signal; if it detects something in the way, it may flash a light in your mirror, cause the seat or steering wheel to vibrate, or sound an alarm. This is more of a short-range detection system.
This is similar to blind-spot/side-assist technology but with more range. It judges an approaching vehicle’s speed and distance to warn you of potential danger if you change lanes. It can also warn if it determines your car is wandering out of the lane, which could be useful if you become distracted. This could come in the form of a vibration through the seat or steering wheel, or an alarm. Down the road expect lane-departure warning to even be able to monitor body posture, head position and eye activity to decide if the driver is falling asleep and the vehicle is behaving erratically. At that point, the system may even be capable of slowing the car down and engaging stability control. Just in case.
Most automakers offer an electronic stability control system, and some offer a preparation system (seatbelts tighten, rollbars extend). However, what we’re talking about is more intelligent than that. If the system senses a potential rollover (such as if you whip around a corner too fast or swerve sharply), it will apply the brakes and modulate throttle as needed to help you maintain control. DaimlerChrysler calls it Electronic Roll Mitigation, Ford named it Roll Stability Control, and GM’s is Proactive Roll Avoidance. Range Rover’s is Active Roll Mitigation, while Volvo’s is called Roll-Over Protection System. But they all have the same goal.
All humans are not created equal, and airbags are evolving to compensate in the form of low-risk, multistage and occupant-sensitive deployment. Technology can now sense the different sizes and weights of occupants as well as seatbelt usage, abnormal seating position (such as reaching for the radio or bending to pick something off the floor), rear-facing child seats and even vehicle speed. While driver, passenger and side curtain airbags are nothing new, sensing airbags are popping up (so to speak) everywhere.
This brake technology is different from an antilock braking system or electronic brakeforce distribution, in that it recognizes when the driver makes a panic stop (a quick shift from gas to brake pedal) and will apply additional brake pressure to help shorten the stopping distance. It may also work in conjunction with the smart cruise control or stability control system in some vehicles if it senses a potential collision. It is often called brake assist, although BMW, for example, refers to it as Dynamic Brake Control.
Night vision can be executed in different forms, such as infrared headlamps or thermal-imaging cameras. But no matter the science, the goal is the same: to help you see farther down the road and to spot animals, people or trees in the path — even at nearly 1,000 feet away. An image is generated through a cockpit display, brightening the objects that are hard to see with the naked eye. Adaptive headlights follow the direction of the vehicle (bending the light as you go around corners). They may also be speed-sensitive (changing beam length or height), or compensate for ambient light.
Rearview cameras not only protect your car, but also protect children and animals from accidental back-overs. Backing up your car has graduated from side mirrors tilting down or causing chirps and beeps to real-time viewing. New-school tech involves a camera that works with the navigation system to provide a wide-open shot of what’s happening behind you to help with parking or hooking up a trailer.
There are a variety of ways vehicles now and in the future will handle an emergency situation. For example, DaimlerChrysler’s Enhanced Accident Response System (EARS) turns on interior lighting, unlocks doors and shuts off fuel when airbags deploy, while Volkswagen’s also switches on the hazards and disconnects the battery terminal from the alternator. In addition, GM’s OnStar and BMW Assist both alert their respective response centers of the accident and make crash details available to emergency personnel.
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