Abstract
The issue of estimating technological condition of internal combustion engine gathers special meaning mostly in using stage, in consideration of economic and ecological conditions. Appliances which are used now a days and which diagnose condition of subjects such as compression - ignition engines, are limited only to the measurements. This article discusses problems of methods diagnosis with special regard of fuel apparatus
Highlights
The condition of injection apparatus of the ICE primarily determines its correct operation
Based on many studies of Diesel engines, it was concluded that the damage initiated by maladjustment starts first in the fuel supply system, especially in the high pressure systems of the injection apparatus [8, 9, 10]
Since the skeleton used for design has no tool in the form of, for example, artificial neuronal network, which can be used to identify the pressure oscillograms, the following oscillogram solution was proposed (Fig. 3) consisting in assigning the oscillogram monitoring to the specific class
Summary
The condition of injection apparatus of the ICE primarily determines its correct operation. Based on many studies of Diesel engines, it was concluded that the damage initiated by maladjustment starts first in the fuel supply system, especially in the high pressure systems of the injection apparatus [8, 9, 10]. Even more important in diagnosing Diesel engines are installation-free methods consisting in the early identification of inoperable elements of injection apparatus. The low repeatability of fuel pressure parameters in the injection conduits (Fig. 1) being a cycle of complex, independent wave phenomena, seriously complicates the diagnosing with comparative method and requires high perception from the operator which often exceeds his capabilities [3, 8, 9, 10].
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