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Light and electronics experts Hella reports 750 million so-called sensors with CIPOS (Contactless Inductive Position Sensor) t...

Hella: 750 million sensors with CIPOS technology

Light and electronics experts Hella reports 750 million so-called sensors with CIPOS (Contactless Inductive Position Sensor) technology in the market. Position sensor technology goes back to late 90s.

Position sensor technology in the automotive environment: sensors with CIPOS technology.
 
Image: Hella

As Hella notes, position sensors with CIPOS technology are robust against extreme temperatures, vibrations and magnetic radiation. In the late 1990s, the electronics experts developed the CIPOS technology, which is used in numerous application fields as well as in safety-relevant applications up to ASIL D worldwide. For example in accelerator generators, steering and vehicle level sensors as well as in motor position sensors.  This technology is also used by actuators on the turbocharger, on the throttle valve, on the radiator grille or on thermal management. The special feature of the CIPOS technology is that it makes it possible to measure positions as highly exact, absolute values. This takes place without contact according to an inductive method. A further advantage of the sensors is their resistance to vibration, moisture.

As emphasized by Hella, the CIPOS technology is a crucial building block for electromobility and autonomous driving. In electric vehicles brushless motors with high power and therefore with high currents are used. The CIPOS technology working inductively in the MHz range comes without a permanent magnet and is not affected by the resulting magnetic fields of the motor currents due to the principle, says the manufacturer. An important prerequisite for autonomous driving is the further development of the X-by-Wire systems. Usually, steering movements or the actuation of the brake pedal are transmitted mechanically or hydraulically. In the case of X-by-wire systems, however, these are transmitted electronically.

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