An airbag is a vehicle occupant restraint system (RS) a bag designed to inflate extremely quick then quickly deflate during a collision. The concept of the airbag is a soft pillow to land against in a major crash. The first patent on an inflatable crash-landing device for airplanes was filed during World War II. In 1980s, the first commercial airbags was appeared in automobiles. An adoption of airbags came during the late 1980s and early 1990s .In car a driver airbag, and a front passenger airbag is there and many modern vehicles now include six or more units Air bag is made of a thin, nylon fabric, which is folded and inside into steering wheel or dashboard or, more recently, the seat or door. Inside the car a sensor is the device that tells the bag to inflate it happens when there is a collision force equal to running into a brick wall at 10 to 15 miles per hour (16 to 24 km per hour). GPS stands for "Global Positioning System." GPS is a satellite navigation system used to determine the ground position of an object for eg.:- land etc. GPS technology was first used by the US military .In 1960s expanded into civilian use over the next few decades. Today, GPS receivers are included in many commercial products, such as automobiles, smartphones, exercise watches, and GIS devices etc. In GPS system it includes 24 satellites which is deployed in space about 12,000 miles (19,300 kilometers) above the earth's surface. The orbit of earth once every 12 hours at an extremely fast pace of roughly 7,000 miles per hour (11,200 kilometers per hour). A GPS satellite broadcasts a message which include the satellite's current position, orbit, and exact time. Each GPS receiver combines the broadcasts from various multiple satellites to calculate its exact position using a process called triangulation. Three satellites are required in order to determine a receiver's location, though a connection to four satellites is ideal since it provides greater accuracy. Working of GPS, it should establish a connection to the required number of satellites. For example, car's GPS unit is typically faster than the receiver in a watch or smartphone. Introduction The vehicle’s crash sensors provide crucial information to the airbag electronic controller unit (ECU) which gives signals to car maker server. Server sends message to 1. Nearest hospital of accident location. 2. Nearest Police station of accident location. 3. Family member. Location will be track by GPS (Global Position System) using GPS API. Top causes of car accidents? Car accident can lead a several unwanted permanent injuries, consequences, loss of earnings, etc.
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