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Design of an Integrated Data Acquisition System for Aero Engine Testing Using LabVIEW® Virtual Instrumentation
Proceedings of International Conference on Engineering, Science and Technology 2021
V Prabakar, K Srinivasan
Dr. Mack Shelley, Dr. Valarie Akerson
978-1-952092-24-4
36-47
Aero gas turbine engine development involves an exhaustive engine testing phase which is very critical. Gas turbine engine testing involves performance optimization, design validation, endurance tests. Various types of test facilities are configured to carry out these tests depending on the type of Gas turbine engine, the thrust class, size of the engine and the purpose of testing. Testing of the engine involves extensive instrumentation of various parameters to understand the health and the performance of the engine. This paper discusses about the development of a very high channel integrated Aero engine Data acquisition system (DAS) for 1200 channels. This DAS is capable of handling different sampling speed and acquisition of different types of parameters. Appropriate COTS based signal conditioners are configured and built with facility for easy trouble shooting and expansion capabilities. The distributed DAS is synchronized with IRIG – B time synchronization and external triggered acquisition. LabVIEW programming has been used as the backbone of the entire acquisition platform. Online data analysis, fault identification logics, auto calibration, replay features have been built into the software. Auto warning of engine operator on exceedance of parameter limits, online comparison of data with respect to standard data set, online faulty channel identification and isolation techniques also have been built in. The goal of the development described in this paper was based on the system requirements analysis defining the system architecture and design of the code that would be complete, user friendly and would implement the basic and most commonly used features but also maintain good scalability of the system for future changes
Prabakar, V. & Srinivasan, K. (2021). Design of an integrated data acquisition system for aero engine testing using LabVIEW® virtual instrumentation. In M. Shelley & V. Akerson (Eds.), Proceedings of IConEST 2021-- International Conference on Engineering, Science and Technology (pp. 36-47), Chicago, USA. ISTES Organization.
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