Ultrasonic sensors are extremely useful for vehicle management.
This is because they measure the amount of liquid in a tank, the wind speed and direction (anemometer), fullness of a tank and speed through air or water – leaving nothing to chance.
A device will use multiple detectors to calculate the speed from the relative distances – detecting the distance from obstruction, and preventing collisions.
Working on a similar principle to radars and sonar, ultrasonic sensors, also known as transceivers, evaluate attributes of a target by interpreting the echoes from radio or sound waves respectively.
Ultrasonic sensors generate high frequency sound waves and evaluate the echo – which is received back by the sensor.
The sensors calculate the time interval between sending the signal and receiving the echo to determine the distance to an object.
By transforming electrical energy into sound, ultrasonic sensors typically use a transducer which generates sound waves in the ultrasonic range, above 18,000 hertz.
The information can then be measured and displayed – allowing for complete control of the vehicle.
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