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Cars Brains Work Behind The Scenes
by Jordan McPelt
Did you know that there are computers in your car? If you did know, do you know what the computers in your car do? Do you know why cars have evolved to include computers in them?
Cars have come a long way since the beginning of the first cars on the road. A lot of the changes that have come in the last 20 years have required a computer or new sensor to relay information back to an existing computer. As new computers and sensors are added to cars, they continue to become more and more complicated.
Some things that are monitored by the sensors and computers in cars today include oxygen sensors for improved emissions, air pressure sensors for safety and fuel mileage improvement, air temperature sensors so that we can know what the temperature is outside (I've never been sure why we needed that one), engine temperature sensors to signal problems when they occur, throttle position sensors to control fuel and air flow for emissions and performance and knock sensors to warn of potential serious problems before they get worse.
There are even more sensors on cars, depending on the car. Extra sensors on any given car generally have to do with the extra features of that car or in the development in a newer car versus an older one. When it is all said and done, most sensors are designed to relay information to the car or the dashboard to improve performance, efficiency and alert the driver to potential problems. If there is a problem with your car, an auto mechanic can hook up to the cars computer and get more specific data that will help him to more quickly and accurately diagnose the problem.
All computers for cars are designed and installed for a specific purpose. If you combine all of the computers and their purposes, they can be reduced to some general categories. Those general categories are: comfort, handling, emissions and performance.
There are 2 main computers on every newer car. The engine control module (ECM) controls everything pertaining to the performance and emissions of the engine. The power control module (PCM) controls everything relating to the handling of the car.
The engine control module (ECM) is a very common computer. This computer came about because of push for improved emissions of vehicles for the sake of the environment. Fuel mileage was a side benefit to consumers but also came about under the same premise of environment. The driver of the car may understand that a computer is at work as they drive, but they do not have to think about it ever.
Car computers work in the background creating a better ride and a more efficient car, while alerting you to the information it has gathered only if it determines that there is a potential problem that needs attention. Some will look at car computers as just one more thing that potentially will need to be fixed on a car. However, when all benefits and costs are considered, their arguments are short handed.
About the Author
Jordan Mcpelt is a car enthusiast. He noted that most of us do not consider the car computers that control our cars today. The engine control module is perhaps the biggest development in our cars as a result of the influence of special interest groups. Visit: instrumentclusterstore.com
Multi Alert System Sensor Sounder Strobe Test 1
This is a video of my new fire alarm called a Multi Alert System Sensor Sounder Strobe or MASS for short, this is sort of similiar to the wheelock MT except it has all different kinds of tones.
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