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Tilting Angle Measurement of Wagon Tippler

Author(s):

Mr. Santosh kumar Kushwaha , Shri Shankaracharya Technical Campus Shri Shankaracharya Engineering College, Bhilai

Keywords:

Absolute Encoder, Wagon Tippler, PLC

Abstract

This paper proposed for tilting angle measurement of wagon tippler using absolute encoder in place of limit switch arrangement. The unloading cycle starts when the wagon is positioned over the tippler table, wagon along with the table rotates and discharges the material into the underground hopper. There wagon tipplers rotates about 0 to 180º. To measure the tilting angle an absolute encoder mounted on the rotating shaft. Absolute optical encoder rely on multiple light sources and photo detector assemblies, as well as code disks with segment patterns arranged as a series of annular rings. This code disk variant provides an absolute measurement by using a binary output to represent each individual shaft angle as the disk rotates between a radial arrangement of photo detectors and a linear sequence of light sources. The length of the rotational arcs for both opaque and transparent segments on the disk decrease based on their radial distance from the shaft. The accuracy of the shaft position generally depends on the quantity of the disk's annular rings, and as the disk rotates the light that passes through each ring produces a continuous signal stream. The electronics array then converts this stream of output into a binary code. Absolute encoders have code disks that retain the last angular position of the shaft from the point at which it stopped moving, even if the system shuts down. This provides a fail-safe by preserving data in case of power failure or malfunctions.

Other Details

Paper ID: IJSRDV6I40831
Published in: Volume : 6, Issue : 4
Publication Date: 01/07/2018
Page(s): 1051-1053

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