An absolute encoder is widely employed in a computerized numerical control machine. In
order to find a zero position, an incremental encoder must have a limit switch and often …

Absolute optical encoders have emerged as a preferable choice of accurate positioning
measurement for high-end manufacturing. To further improve the measurement accuracy of …

Displacement measurement technology based on an image recognition method can realize
high-performance more easily than traditional technology. Compared with a transmission …

This paper presents the full research and development cycle of a high-precision absolute
linear encoder based on a standard calibrated scale. Already available and used in industry …

There is urgent demand for new absolute Linear Displacement Measurement (LDM)
technology with high resolution and high precision, during the development of high-end …

The image-type angular displacement measurement method based on linear image
recognition has garnered attention because of its higher frequency response, strong fault …

Grayscale is a series of shades of gray without apparent color. The total absence of
transmitted or reflected light, which is the darkest shade, black. The total reflection or …

With increased range, the accuracy of longer-range linear displacement measurement is
difficult to guarantee. According to the analysis, it is inevitable that there will be a certain …

For the purpose of kinematic monitoring system a prototype relatively simple and low cost
optical Tilt (or inclination) sensor with sensitivity of 50mV/º and a working range of±50º is …

In the field of precision measurement, subdividing displacement within the grating period to
achieve high precision and high resolution remains a significant challenge. For subdivision …