Design, Development and Performance Evaluation of Eddy Current Displacement Sensor Based Pressure Sensor with Target Temperature Compensation | Zendy

K. Gobi | Zendy; B. Kannapiran | Zendy; D. Devaraj | Zendy; K. Valarmathi | Zendy

Open Access

Design, Development and Performance Evaluation of Eddy Current Displacement Sensor Based Pressure Sensor with Target Temperature Compensation

Author(s) -

K. Gobi,

B. Kannapiran,

D. Devaraj,

K. Valarmathi

Publication year - 2018

Publication title -

defence science journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.198

H-Index - 32

eISSN - 0976-464X

pISSN - 0011-748X

DOI - 10.14429/dsj.68.11765

Subject(s) - eddy current sensor , compensation (psychology) , pressure sensor , calibration , aerospace , bandwidth (computing) , eddy current , electronic engineering , displacement (psychology) , engineering , control theory (sociology) , computer science , electrical engineering , mechanical engineering , aerospace engineering , artificial intelligence , telecommunications , psychology , statistics , mathematics , control (management) , psychoanalysis , psychotherapist

In Aerospace applications, pressure measurement plays a vital role as it serves as one of the input to onboard controller to aid decision- making on initiating or terminating some of the critical events. In this paper, the design aspects of pressure sensor using linear eddy current displacement sensor (ECDS) are presented along with its performance evaluation. The static calibration is carried out to select the best position of ECDS in the proposed pressure sensor. The effect of target temperature on sensor output is presented with test results to aid compensation. A compensation algorithm is developed to minimise the error due to target temperature. The developed compensation algorithm is validated using thermal calibration. The designed pressure sensor is calibrated using Arson dynamic pressure calibrator to evaluate its bandwidth. The calibration results are analysed to aid future sensor design towards improvement of accuracy, bandwidth and miniaturisation.

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