Abstract
This paper presents the structure and operation of an integrated data acquisition and control system for analysis of the performance characteristics of an internal combustion engine in a testbed. The system allows on-line monitoring of different engine parameters and also enables us to obtain automatically the operating curves of the engine and to compare them with those provided by the manufacturer in order to assess the condition of the engine. With this system, engineering and graduate students are able to monitor the engine continuously and to check the effect of different working conditions on its performance.
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