[특허]Method and system for diagnosing and reporting failure of a vehicle emission test

[미국특허] Method and system for diagnosing and reporting failure of a vehicle emission test 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-007/06
출원번호	US-0414925 (1995-03-31)
발명자 / 주소	Smith Mary V. Frost Mark D.
출원인 / 주소	Envirotest Acquisition Co.
대리인 / 주소	Chavez
인용정보	피인용 횟수 : 89 인용 특허 : 10

초록 ▼

A system and method which systematically diagnoses emissions test failure by applying the rules of a knowledge base to predict the cause of vehicle emissions failures. Classifiers are used to form predictions. The classifier is the data structure used in the automobile emission testing inspection lane by the lane diagnostic subsystem to provide a diagnosis for a particular vehicle. Its output is the likelihood that a vehicle suffers from a given failure based on the values of characteristics such as its emissions test results and the vehicle's description. The classifier predictions are then used to prepare a failure report that is given to the motorist for use by his or her repair technician. In another feature of this invention, the classifiers are continuously updated in a learning process based on new repair records. The learning processes periodically analyzes the data and updates the knowledge base to include new or revised classifiers.

대표청구항 ▼

[ We claim:] [1.] A method for generating a diagnosis of a vehicle's cause of failure of an emissions test, wherein data is obtained relating to a plurality of vehicles which had failing emissions tests results and for which a prediction report was generated and wherein each of said plurality of vehicles has particular vehicle characteristics and also has passing emissions test results and a repair report, comprising the steps of:in a storage media, storing a classifier table composed of a set of rules;in an emissions testing facility, receiving and storing vehicle characteristics signals;in said emissions testing facility, sampling emissions of said vehicle to create emission test results to generate a series of emission test signals;transmitting to a processor said emissions test signals;transmitting to said processor said vehicle characteristics signal; andcomparing said emission test signals and said vehicle characteristics signals to said classifier table's set of rules in a manner in which forms said diagnoses of said vehicle's cause of failure and generating a prediction report thereof;receiving said vehicle characteristics signals, said failing emission test signals and said passing emission test signals of said plurality of vehicles;dividing said vehicle characteristics signals and said failing and passing emission test signals of said plurality of vehicles to generate a training dataset and a testing dataset; andcorrelating said plurality of repair reports with said training dataset to form new rules; andfrom said new rules, forming new classifiers.

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[미국특허] Method and system for diagnosing and reporting failure of a vehicle emission test 원문보기

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[미국특허] Method and system for diagnosing and reporting failure of a vehicle emission test 원문보기

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