Title

V2引擎點火失效診斷策略

Translated Titles

Misfire Diagnosis Strategy for 2 Cylinders V-Engine

Authors

高博愈

Key Words

OBD系統 ; 排放法規 ; 點火失效 ; 診斷策略 ; OBD system ; Emission regulations ; Misfire ; Diagnostic strategy

PublicationName

臺北科技大學車輛工程系所學位論文

Volume or Term/Year and Month of Publication

2014年

Academic Degree Category

碩士

Advisor

吳浴沂

Content Language

繁體中文

Chinese Abstract

世界各國對於交通工具所制定的污染法規越來越嚴苛,汽車須加裝車上診斷(on board diagnostic, OBD)系統,在污染排放超出標準之前,事先偵測出元件的劣化或故障情形,並告知車主應進行維修保養,以確保車輛的污染排放合乎標準。 本論文針對目標增程式電動車(Range-Extended Electric Vehicle, REEV)之V型引擎,根據引擎發生點火失效時,造成動力行程的加速度明顯變化之特性,利用引擎動力行程的加速度變化,監測引擎是否有發生點火失效,避免點火失效導致觸媒損毀及排放出過量的污染物。亦建立一點火失效產生器,在各種不同的運轉(負載)條件下,提供引擎指定的點火失效比率。 本論文以雙缸v型引擎加速度變化所發展出來的診斷策略,係以原廠霍爾感知器與原廠24-1齒的齒盤去進行策略發展,利用曲軸旋轉動態的特性搭配本論文策略可以準確地偵測到點火失效。

English Abstract

Due to the emission regulations become more severe around the world, the automobiles must be equipped with on-board diagnosis (OBD) system which could detect the malfunctions or deteriorations before exceeding the emission standards and then inform the driver about maintenance as soon as possible. According to the characteristic of crankshaft dynamic, this thesis is developed misfire detection strategy for the V2 engine of range-extended electric vehicle (REEV). If engine occurred misfire, the crankshaft dynamic would lead to serious variation during power stroke, and those results can be determined that engine is under misfire. The misfire generator is also established for providing specific misfire rate at different engine conditions.

Topic Category 機電學院 > 車輛工程系所
工程學 > 交通運輸工程
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