What are car sensors
Automobile sensors are the input devices of automobile computer system, which convert various working conditions information of automobile operation into electrical signals to the computer, so that the engine and other systems are in the best working state. Here's a closer look at automotive sensors:
Features
Automobile sensors can detect various parameters related to automobile operation, such as speed, temperature of various media, engine operating conditions, body information, environmental conditions, etc., and convert these information into electrical signals, which are input into the automobile computer system for calculation and control. These sensors are key components to ensure normal, stable and safe driving of the car.
Classification and application
There are many kinds of automotive sensors, which can be roughly divided into two categories: environmental monitoring sensors and car body perception sensors:
Environmental monitoring sensors :
Used to detect and sense the environment around the car, it is necessary to achieve autonomous driving or assisted driving sensors.
For example, radar sensors, laser radar (LiDAR), cameras, etc. are used to sense surrounding vehicles, pedestrians, road signs, etc., to achieve automatic car following, lane keeping, obstacle avoidance and other functions.
Body sensing sensor :
It is used to obtain body information, such as tire pressure, oil pressure, speed, engine state, etc., which is the basic sensor necessary to maintain normal, stable and safe driving of the car.
For example, air flow sensors are used to measure the amount of air drawn in by the engine, and ABS sensors are used to monitor speed and adjust wheel rotation during emergency braking for optimal braking. Other throttle position sensors, crankshaft position sensors, oxygen sensors, oil pressure sensors, etc., are used to detect different body parameters.
This topic describes key sensors
Air flow sensor : Measures the air quality drawn into the engine as a basis for determining the basic fuel injection rate.
temperature sensor : Monitors engine coolant, intake and fuel temperature, and feeds back to the electronic control unit (ECU) to adjust operating parameters.
Position and speed sensors : Provides information about throttle opening, crankshaft Angle, vehicle speed and accelerator pedal position to help the ECU achieve precise control.
exhaust gas purification sensor : monitor the status of the emitted gas to ensure compliance with environmental standards.
As the key input equipment of automobile computer system, automobile sensor plays a vital role in modern automobile. They not only improve the performance and safety of cars, but also provide strong support for the development of advanced technologies such as autonomous driving.
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