AN920031

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Position Sensors such as the AN920031 are designed to measure angles or linear positions. In other words, they measure the amount of relative movement of one object with respect to another object until a desired endpoint has been reached. This type of sensor has become an increasingly important part of industry applications due to the accuracy they can achieve.

The AN920031 is an electromechanical position sensing device designed for medium and high speed angular and linear position measurement applications. It provides excellent accuracy and reliability for applications over a wide range of temperatures and environments. In addition, the device is equipped with a simple, low-cost design which makes it easy to implement in industrial applications.

In this article, we will introduce the application field and working principle of the AN920031.

Application Field

The AN920031 can be used in a variety of industries, including automotive, aerospace, consumer electronics, and robotics. It is commonly used for applications such as linear motors, servo motors, electric motors, stepper motors, and any other type of motor requiring position sensing. It can also be used for rotary encoders, inclinometers, potentiometers, and displacement sensors.

For example, in the automotive industry, the AN920031 can be used for applications such as throttle and brake position sensing to ensure proper vehicle operation. In the aerospace industry, it can be used for applications such as flight control maneuvers and wind tunnel testing. In the consumer electronics industry, the sensor can be used for applications such as joystick and gamepad position sensing. In the robotics industry, the AN920031 can be used for applications such as robotic arm and leg positioning.

Working Principle

The AN920031 uses a potentiometric method to calculate the angle or linear position of the object being measured. This involves measuring the voltage difference between two points on a resistive element. The element consists of a conductive material with a line or track of resistive material of varying length. Each point along the track is assigned a different voltage. As the pressure on the element increases, the voltage changes.

For angular measurement, the AN920031 is equipped with two internal potentiometric rotary sensors. Each sensor measures the angular position of the device in relation to a reference point. For linear measurement, the AN920031 has two internal potentiometric linear sensors. Each of these sensors measure the linear position of the device in relation to a reference point.

The AN920031 uses a combination of two measurements to determine the angular or linear position. The first measurement is done by measuring the voltage of each point along the resistive element. The second measurement is done by referencing the voltage of the reference points. Once these two measurements are taken, they are combined to calculate the actual position of the object being measured with a high degree of accuracy.

The AN920031 also features a number of safety and protection features, such as a low profile design for easy integration, an IP68 seal for added protection against moisture, and a fully shielded design for EMI and RFI protection.

In summary, the AN920031 is a highly accurate and reliable electromechanical position sensing device for medium and high speed angular and linear position measurement applications. It is easy to implement in industrial applications and features a number of safety and protection features.

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