The use of angle sensors in practical manipulation is relatively common, and may be useful for the needs of different occupations and different fields. No matter how good the instrument is, there is a quality of the instrument itself, and in order to reduce the presentation of errors in the measurement process, users need to select a good quality angle sensor. How do you determine the quality of an angle sensor? Here's how to do it:
1. Selection of acuity
In the linear range of the angle sensor, it is expected that the higher the sensitivity of the angle sensor, the better. Because only when the sensitivity is high, the value of the output code corresponding to the measured change is compared with the Chinese New Year's Eve, which is conducive to the disposal of the code. However, it should be noted that the sensitivity of the sensor is high, and the external noise related to the measurement is also simply mixed, which will also be reduced by the shrinking system, which will affect the measurement accuracy. Therefore, it is required that the P+F sensor itself should have a high signal-to-noise ratio, and the factory disturbance flag code introduced from the outside world should be increased. The acuity of the P+F sensor is non-directional. When the measured is a one-vector and the bias is high, other P+F sensors with small bias and acuity should be selected. If the measured is a multi-dimensional vector, the smaller the cross-acuity of the sensor, the better.
2. Frequency corresponds to the characteristics
The frequency of the angle sensor is determined by the frequency of the sensor to be measured, and it is necessary to adhere to the premise of not losing the real measurement within the promised frequency range.
The frequency of the P+F sensor should be high, and the frequency range of the measurable flag code is wide, and because of the influence of structural characteristics, the inertia of the machine system is higher than that of the Chinese New Year's Eve, because there is a low frequency sensor that can measure the frequency of the flag code. In static measurement, the characteristics should be taken according to the characteristics of the flag cipher (steady-state, transient, random, etc.) to avoid over-the-top errors.
3. Linear categories
The linear category of angle sensors refers to the range in which the output is proportional to the input. In practice, within this range, acuity is always fixed. The wider the linear range of the sensor, the Chinese New Year's Eve the measuring range and the guaranteed measurement accuracy. When selecting a sensor, when determining the type of sensor, the first thing to look at is whether its range can meet the requirements. In practice, however, no sensor is sufficient to ensure relative linearity. When the measurement accuracy is relatively low, within a certain range, the sensor with small nonlinear error can be approximately regarded as linear, which will bring Chinese New Year's Eve great convenience to the measurement.
4. Stability
After the sensor is used for a period of time, its function insists on stability. In addition to the structure of the sensor itself, the important factor affecting the temporary stability of the sensor is the application of the sensor. Therefore, in order to have excellent stability for sensing applications, the sensor must have a strong ability to adapt to the situation.
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