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Efficient diagnostic method for monolithic sensor systems

A technology of sensors, sensor devices, applied in the direction of converting sensor output, instruments, measuring devices, etc.

Active Publication Date: 2018-04-27
INFINEON TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fundamentally, high integration and thus cost-effective sensor integration within a given electromechanical system in safety-critical applications such as those required to meet SIL and / or other applicable safety standards Diagnostic capabilities remain a challenge

Method used

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  • Efficient diagnostic method for monolithic sensor systems
  • Efficient diagnostic method for monolithic sensor systems
  • Efficient diagnostic method for monolithic sensor systems

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Embodiment Construction

[0027] Embodiments relate to integrated circuit (IC) sensors, and more particularly to IC sensor diagnostics using multiple (e.g., redundant) communication signal paths, where one or more of the communication signal paths may be different (e.g., in hardware , software or processing, principle of operation or in some other way) at least another one of the plurality of communication signal paths. Embodiments may relate to a variety of sensor types, implementations, and applications, including multi-dimensional magnetic fields and other sensors. In an embodiment, the sensor comprises a Hall effect sensor, a magnetoresistive sensor or other magnetic field sensor. In yet other embodiments, additional or other sensors may be implemented, including temperature, pressure, current, force, stray field, light, optics, mechanical stress, torque, acceleration, and others. Some embodiments may use a combination of sensors, such as one or more magnetic field sensors to sense a magnetic fiel...

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Abstract

The present invention relates to efficient diagnostic methods for monolithic sensor systems. Embodiments relate to integrated circuit (IC) sensors, and more particularly to IC sensor diagnostics using multiple (e.g., redundant) communication signal paths, where one or more of the communication signal paths may be different (e.g., in hardware , software or processing, principle of operation or in some other way) at least another one of the plurality of communication signal paths. Embodiments may relate to a variety of sensor types, implementations and applications, including 3D magnetic field and other sensors.

Description

technical field [0001] The present invention relates generally to integrated circuit (IC) sensors, and more particularly to IC sensor diagnostics using multiple communication signal paths. Background technique [0002] As part of the developments in the automotive electronics sector, recent trends in automotive drive technology are aimed at building passive safety systems (such as seat belts and airbags) through active safety systems (such as anti-lock brakes). system (ABS), Electronic Stability Program (ESP) and Electric Steering) to provide an increased range of driver assistance functions. As has been the case for some time in drive trains, here the system complexity continues to increase in order to detect dangerous driving situations and help avoid accidents by actively intervening by the control system. With ongoing technological advancements, these trends are expected to continue and gradually become stronger in the future. [0003] The resulting dramatic increase i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D18/00G01R35/00
CPCG01R33/0023G01R33/077G01R33/093G01R33/096G01R33/098G01D5/145
Inventor W·舍尔
Owner INFINEON TECH AG