A method for detecting abnormal symptoms of a vehicle based on self-supervised learning by using pseudo normal data may comprise the steps of: obtaining normal data generated in a vehicle; preprocessing the obtained normal data; generating pseudo normal data by inputting the preprocessed normal data into a pre-trained first neural network model; training a second neural network model on the basis of the generated pseudo normal data; and detecting abnormal symptoms of the vehicle by inputting the data generated in the vehicle into the trained second neural network model.
Un procédé de détection de symptômes anormaux d'un véhicule basés sur un apprentissage auto-supervisé à l'aide de données pseudo-normales peut comprendre les étapes consistant à : obtenir des données normales générées dans un véhicule ; prétraiter les données normales obtenues ; générer des données pseudo-normales par entrée des données normales prétraitées dans un premier modèle de réseau neuronal préalablement entraîné ; entraîner un second modèle de réseau neuronal sur la base des données pseudo-normales générées ; et détecter des symptômes anormaux du véhicule par entrée des données générées dans le véhicule dans le second modèle de réseau neuronal entraîné.
의사 정상 데이터를 이용한 자가 감독 학습 기반의 차량 이상징후 탐지 방법으로서, 차량에서 발생하는 정상 데이터를 획득하는 단계, 획득한 정상 데이터를 전처리하는 단계, 전처리한 정상 데이터를 사전 학습된 제1 뉴럴 네트워크 모델에 입력하여 의사 정상 데이터(pseudo normal data)를 생성하는 단계, 생성한 의사 정상 데이터에 기초하여 제2 뉴럴 네트워크 모델을 학습시키는 단계, 및 차량에서 발생하는 데이터를 학습된 제2 뉴럴 네트워크 모델에 입력하여 차량의 이상징후를 탐지하는 단계를 포함할 수 있다.
APPARATUS AND METHOD FOR DETECTING ABNORMAL SYMPTOMS OF VEHICLE BASED ON SELF-SUPERVISED LEARNING BY USING PSEUDO NORMAL DATA
APPAREIL ET PROCÉDÉ DE DÉTECTION DE SYMPTÔMES ANORMAUX D'UN VÉHICULE BASÉS SUR UN APPRENTISSAGE AUTO-SUPERVISÉ EN UTILISANT DES DONNÉES PSEUDO-NORMALES
의사 정상 데이터를 이용한 자가 감독 학습 기반의 차량 이상징후 탐지 장치 및 방법
2022-10-27
Patent
Electronic Resource
Korean
IPC: | H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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