subject: Application Of Vehicle Sensors And Classification - Vehicle Sensors - Electrical Industry [print this page] To say that today's car is not too much electronics, but some people predicted that the future will be in safety, environmental protection and Information accelerate the achievement of the three areas of electronics. This trend will only accelerate in the future but certainly not stagnant. Because the car manufacturers in the security, environmental protection and the three areas of information already made to accelerate electronic approach. The most noteworthy when the number of "safe" areas. The focus of automotive safety technology by passive safety to active safety, in particular, early detection of obstacles Sensor Are beginning to become diversified.
The progress of information processing technology and high-speed microprocessor and computer technology development, also need to Sensor The development of a corresponding progress. Microprocessors now in measurement and control system has been widely used. As these systems capabilities, information collection systems as front-end modules, sensors have become increasingly important. Sensors have become automated systems and robotics in a key component, as the system composed of a structure, its importance has become increasingly apparent.
Most broadly, the sensor is able to sense the outside world information and according to certain rules will be available this information into the signal device; simply can sensor is a physical quantity or chemical quantity into easy to use electrical signals device. So it is from the sensitive components (perception component) and conversion device composed of two parts, and some semiconductor devices sensitive to the direct output signal, in itself constitute a sensor. Sensor is an integral part of the sensor system, which is being measured signal input the first pass.
German and Russian scholars believe that the sensor should be formed by two parts, namely, direct perception of the signal being measured sensor part and the part of the initial signal processing circuit. By this understanding, the sensor also includes a signal shaper circuit part. Sensor system performance depends primarily on sensors, sensor to some form of energy into another form of energy.
Often the sensor function and is comparable to the human 5 major senses:
Light sensors - Vision Sound Sensor - Hearing Gas sensors - smell Chemical sensor - Taste Pressure-sensitive, temperature sensitive, fluid sensors - tactile
Compared with modern sensors, the human ability to feel much better, but some people feel sensor for excellent than, for example, the human ability to perceive ultraviolet or infrared light is not radiation, not feel electromagnetic fields, colorless, odorless gas . With the image sensor (ImageSensor; IS) of the widely used, will be able to further reduce the visual dead, the driver will be more secure. Therefore, experts have speculated that automotive image sensor market will flourish. As early as 2004, the U.S. street fighting in Fallujah, the enemy sniper detection technology include automotive sound on Sensor. In order to accurate, timely, rapid discovery and elimination of snipers to protect the offensive side of operational security. Car type enemy snipers of Acoustic Sensor instrument is the sound and combination of remote weapon stations. When the Iraqi anti-US armed snipers kick down the gun, has not had time to be transferred to the next position, the sniper of Acoustic instrument was found and killed. In addition, the gas being sensors, chemical sensors, pressure-sensitive, temperature sensitive, fluid sensors currently in the application of automotive electronics is still relatively small, but automotive electronics for automobile safety concerns, if necessary, as these sensors can be teeing off.
