Unlock instant, AI-driven research and patent intelligence for your innovation.

sensor device

A sensor device, technology of a sensor, applied in the field of the position of an object

Active Publication Date: 2021-07-27
PHYSIK INSTR PI
View PDF11 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this approach is that the position calculation is based on all photodiodes simultaneously

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • sensor device
  • sensor device
  • sensor device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0066] figure 1 A schematic diagram showing the data flow inside a sensor device according to the invention. The measuring unit 101 of the magnetic and absolute measuring sensor system and the measuring unit 102 of the optical and incremental measuring sensor system scan the scale 200, which comprises an optically scannable scale and a magnetically scannable scale and thus forms a Hybrid ruler. Measuring unit 101 here scans into the magnetic structure of hybrid scale 200 . At this point, the absolute position is determined in the processing unit 103 from the obtained information. The positional information is here provided as digital information via the digital interface. Measuring units 101 and 102 can also be combined in a single integrated circuit. Measuring unit 102 scans the surface of hybrid scale 200 or optical scale optically and reflectively. The corresponding position information is converted into digital position information in a suitable circuit 104 , for exam...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a sensor device and a method for detecting measurement data about the absolute position of a linearly or rotationally movable object, said sensor device comprising: an optical sensor system using only zero for position measurement order reflection; and a magnetic sensor system, the magnetic sensor system sends out a second sensor output signal related to the position to be determined of the movable object, the scales of the optical sensor system and the magnetic sensor system are integrated in a common scale body; the calculation unit , the calculation unit is set to obtain the first sensor output signal and the second sensor output signal and generate a common sensor output signal from the first sensor output signal and the second sensor output signal, which can be generated by the magnetic sensor at any time The second sensor output signal of the system derives the current period of the optical sensor system in order to calculate unique absolute position information based on the first and second sensor output signals.

Description

technical field [0001] The invention relates to a sensor device for detecting measurement data about the absolute position of a linearly or rotationally movable object. Furthermore, the invention relates to a method for measuring the position of a linearly or rotationally movable object by means of such a sensor device. Background technique [0002] In the field of encoder technology, a distinction can be made between incrementally operating position measuring systems and absolute operating position measuring systems. In an incremental system, the user cannot read the absolute position information. Therefore, after restarting the system, a reference position must first be found in order to zero or reference the incremental measuring system, thereby obtaining a starting position (the so-called reference travel). For this purpose, reference marks have to be provided on the scale and corresponding sensor elements which read the reference marks have to be provided in the senso...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/14G01D5/347
CPCG01D5/145G01D5/34792G01D2205/80G01D5/2454G01D5/34776
Inventor A·格拉博夫斯基C·瓦伦达
Owner PHYSIK INSTR PI