Abstract
Presented are possible applications of acoustic diagnostics in inspecting the technical condition of an internal combustion engine with autoignition on the example of the Fiat drive unit with common rail system. As a result of measuring the sound pressure level for specific faults and comparing the noise generated by the motor running smoothly, the detailed maps of changes in the acoustic spectrum are possible to generate. These results may be helpful in the future diagnostics of internal combustion engines. The results of scientific work in the area of research, design and operation of internal combustion engines, conducted at the Department of Automotive Engineering, in cooperation with the Laboratory of Hydraulic Drives & Vibroacoustics of Machines at the Wroclaw University of Technology are included. It has developed an authoritative method of identifying the type of engine damage using game-tree structures. An integrated decision system for induction machine learning was developed to test and identify acoustic properties.
Highlights
The mandatory function of these systems is to measure and monitor the basic parameters of the propulsion system, including all emission parameters
In [4, 5], authors focus on the study of the reliability of acoustic diagnostics engine Fiat 1.3 JTD 70 bhp
The measurements consisted of comparing the sound pressure level of specific engine operating frequencies with induced faults with the smooth running of the engine
Summary
Presented are possible applications of acoustic diagnostics in inspecting the technical condition of an internal combustion engine with autoignition on the example of the Fiat drive unit with common rail system. As a result of measuring the sound pressure level for specific faults and comparing the noise generated by the motor running smoothly, the detailed maps of changes in the acoustic spectrum are possible to generate. These results may be helpful in the future diagnostics of internal combustion engines. The results of scientific work in the area of research, design and operation of internal combustion engines, conducted at the Department of Automotive Engineering, in cooperation with the Laboratory of Hydraulic Drives & Vibroacoustics of Machines at the Wroclaw University of Technology are included It has developed an authoritative method of identifying the type of engine damage using game-tree structures. Expanding the decision-making tool by creating a hybrid integrated system will allow future development of a diagnostic method for non-invasive control of the engine's technical condition
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