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A smart sensor is a device with monitoring and processing capabilities that combines actuators, sensors, and electronic circuits or a gadget that combines sensing components with microprocessors.
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Applied Technology Review | Friday, November 03, 2023
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A sensor that can sense, gather, independently assess, examine, and interpret data about the external world is referred to as an intelligent sensor. Multi-component integrated circuits are used in smart sensors to exchange, store, and transmit data.
Fremont, CA: A smart sensor is a device with monitoring and processing capabilities that combines actuators, sensors, and electronic circuits or a gadget that combines sensing components with microprocessors. The critical part of smart sensors is the ability to generate digital signals for later calculation and processing. Intelligent sensors have a variety of functions, such as signal processing, signal transmission, signal conversion, data verification, and interpretation. Here are some key benefits of a smart sensor:
Self-Test, Self-Calibration, and Self-Diagnosis
Smart Sensors can identify component failure because of their self-diagnostics function. Microprocessors retrieve previously recorded metrics for comparison and verification, after which the system is corrected online.
Induction Fusion
Intelligent sensors can monitor various physical and chemical parameters simultaneously, providing data that more accurately reflects the composition, condition, and mobility of a medium. For instance, a fusion liquid sensor can simultaneously determine a medium's temperature, flow, pressure, and density. Additionally, mechanical sensors can determine any specific point in an object's acceleration, velocity, displacement, and three-dimensional vibrations all at once.
High Precision
The intelligent sensor's capacity for information processing, system error correction, random error compensation, and noise reduction significantly boosts the sensor's accuracy.
High Reliability
The integrated sensor system enhances the overall system's anti-interference performance by eliminating several unreliable elements of the conventional structure. It also performs diagnostics, calibration, and data archiving automatically and with high stability.
Cost-Effective
Even after incorporating less expensive microcontrollers, multifunctional smart sensors still perform at a much greater cost than conventional sensors with a single function under the same accuracy criteria.
Diversified Functions
Intelligent sensors may achieve comprehensive multi-sensor and multi-parameter measurements and extend their measurement and application ranges through programming. According to changes in the item or situation being detected, it can adapt and modify the content of output data. It is appropriate for a wide range of application systems because of its digital communication interface and scope of data output formats. Data may be delivered straight to a distant computer for processing.
Signal Normalization
An analog-to-digital converter turns the analog signal from the sensor into a digital signal after an amplifier has normalized the analog signal. Digital normalization is another function the microprocessor carries out for several digital transmission formats, including serial, parallel, frequency, phase, and pulse.