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Implentation of Pi Controller for Level Process using Non Contact Sensor
Sai Vamsi C, Mohan M, Chandrakar N,
Published in Indian Society for Education and Environment
Volume: 8
Issue: S2
Pages: 36 - 39
The accurate information about the fluid level in the process station is of much significance in order to maintain a desired level in the process tank by controlling the process through various controllers as the primary objective of all the industries is to maintain the level at desired set points in spite of the external disturbances. The contact type sensors which are used for sensing the level in the process tank usually gets affected by corrosion which results in reduced life span of sensor and in-turn gives a poor and in-efficient performance, and also loss of accuracy in determination of the fluid level. The use of non contact type sensor will be greatly useful in finding the fluid level in the process tank and helps in calculating the error with regard to the desired level and helps in controlling the level by means of the PI controller. The use of PI controller would result in maintaining accurate desired level by removing the offset error. Therefore the ultrasonic transceiver which in this case used as a non contact level sensor would have a good life span as compared to the contact type sensor by reducing the effects of corrosion to a minimum level.
About the journal
JournalIndian Journal of Science and Technology
PublisherIndian Society for Education and Environment
Open Access0