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Automobile engine on-line monitoring system

A technology of automobile engine and monitoring system, which is applied in the direction of engine test, internal combustion engine test, machine/structural component test, etc. cost effect

Inactive Publication Date: 2016-06-15
HANGZHOU POLYTECHNIC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the technical problem to be solved in this application is the problem of too many existing test points and monitoring amount

Method used

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  • Automobile engine on-line monitoring system

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Embodiment Construction

[0032] The implementation of the present application will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects.

[0033] This application discloses an on-line monitoring system for automobile engines, such as figure 1 shown, including:

[0034] Data collection module 100: including a sensor 110 for collecting exhaust fluctuation signals during engine operation;

[0035] Data processing module 200: connected to the data acquisition module 100, processing the output signal of the data acquisition module 100, separating or extracting feature quantities as feature parameters or determination parameters;

[0036] Exhaust fluctuation signal database 300: connected to the data processing module 200, including the determination parameters of the exhaust fluctuation signal of t...

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Abstract

The application discloses an on-line monitoring system for an automobile engine, comprising: a data acquisition module, a data processing module, an exhaust fluctuation signal database, a pattern recognition module, an analog-to-digital converter, a control module, a circular linked list, a memory module and a diagnosis module. This application is interconnected with other automotive electronic control systems such as the engine centralized controller through bus technology, and becomes a unit of the automotive internal network; this system can not only be used as a powerful tool for engine optimization control, but also can be used for other types of vehicles through software transplantation. Engines and different applications; the system interface type can be set according to requirements, thus making the system more versatile, and has long-term application prospects in internal combustion engine fault diagnosis, optimal control and noise control of automotive engines.

Description

technical field [0001] The application belongs to the field of automobile monitoring, and in particular relates to an on-line monitoring system of an automobile engine. Background technique [0002] The automobile engine is a very complex mechanical, electrical and hydraulic system, which consists of two major mechanisms (crank linkage mechanism, gas distribution mechanism) and five major systems (fuel supply system, cooling system, lubrication system, ignition system, and starting system). There are also many types of faults, and the relationship between the fault phenomenon and the cause is also complicated, which may be one-to-many, many-to-one or many-to-many. Different faults manifest in different ways. Therefore, what kind of detection object to choose, which parameters to detect, and how to carry out signal analysis and data processing are the main problems to be solved in condition monitoring and fault diagnosis. [0003] The traditional engine performance detection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M15/04G01M15/10G01R31/00
CPCG01M15/04G01M15/102G01R31/00
Inventor 张朝山王云玲
Owner HANGZHOU POLYTECHNIC
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