Digital sensors have the advantages of strong anti-interference ability, long signal transmission distance and good stability, because it is used to integrate digital information technology into the sensor, and the sensor software technology level plays an important role in it. In general, we have five kinds of software technology, the following torque sensor to introduce you:
Scale conversion technology: The analog signal is converted into a series of numbers after analog-to-digital conversion. It must be converted into data with dimensions before calculation and display. This requires scale conversion technology.
Digital zeroing technology: Various procedures are used to achieve zero drift, gain drift, and other deviation calibration.
Digital filter technology: The analog output signal of the sensor, after entering the microprocessor after analog-to-digital conversion, often mixes with random noise such as spikes, which must be weakened and filtered out. The digital filter technology solves this shortcoming.
Temperature compensation technology: Establish a mathematical model of expression temperature, and use mathematical methods such as difference to effectively achieve temperature compensation, which depends on the size of the influence of temperature on the sensor output.
Non-linear compensation technology: According to the measured characteristic curve, segment interpolation, as long as the number of interpolation points is reasonable and sufficient, excellent linearity can be obtained.
The comprehensive use of these five sensor software technologies is also helpful for the design of sensors. Software is the core and hardware is the foundation. Both must be taken into consideration.
Scale conversion technology: The analog signal is converted into a series of numbers after analog-to-digital conversion. It must be converted into data with dimensions before calculation and display. This requires scale conversion technology.
Digital zeroing technology: Various procedures are used to achieve zero drift, gain drift, and other deviation calibration.
Digital filter technology: The analog output signal of the sensor, after entering the microprocessor after analog-to-digital conversion, often mixes with random noise such as spikes, which must be weakened and filtered out. The digital filter technology solves this shortcoming.
Temperature compensation technology: Establish a mathematical model of expression temperature, and use mathematical methods such as difference to effectively achieve temperature compensation, which depends on the size of the influence of temperature on the sensor output.
Non-linear compensation technology: According to the measured characteristic curve, segment interpolation, as long as the number of interpolation points is reasonable and sufficient, excellent linearity can be obtained.
The comprehensive use of these five sensor software technologies is also helpful for the design of sensors. Software is the core and hardware is the foundation. Both must be taken into consideration.
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