| 研究生: |
林章能 Lin, Jhang-Neng |
|---|---|
| 論文名稱: |
以深度學習分析機車駕駛風險指跡應用於駕駛行為車險服務 Analyzing Motorcyclist's Risk-aware Fingerprint for the Usage-based Insurance by Using Deep learning |
| 指導教授: |
李威勳
Li, Wei-Hsun |
| 學位類別: |
碩士 Master |
| 系所名稱: |
管理學院 - 交通管理科學系 Department of Transportation and Communication Management Science |
| 論文出版年: | 2021 |
| 畢業學年度: | 109 |
| 語文別: | 中文 |
| 論文頁數: | 68 |
| 中文關鍵詞: | 駕駛行為車險服務 、深度學習 、機車安全 、駕駛安全評估 、駕駛指跡 |
| 外文關鍵詞: | Usage-based Insurance, deep learning, motorcycle safety, driving risk assesment, Risk-aware fingerprint |
| 相關次數: | 點閱:111 下載:7 |
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駕駛行為車險服務(Usage-based insurance, UBI)是一種新興的汽車保險服務,基於個人駕駛行為及駕駛風險的不同,而反應在客製化的保險費率上。從整體社會的角度來看,UBI可以有效降低用路人的交通風險,提升整體道路的安全水準;從保險業者的觀點而言,推出UBI車險服務能比同業更具有競爭力。然而現行的UBI文獻中仍沒有以機車為標的相關研究,且台灣的特殊地域與人文環境,造就了不同於國外機車的駕駛特性;此外,隱私權、個資安全意識的提升也造成UBI的推行困難。若是推出以機車為標的的UBI車險服務,把UBI車險服務的優勢複製於機車車險市場上,將能創造更好的行車環境,緩解機車傷亡事故產生,亦可以使高事故率的機車族群擁有更好的安全保障。
為突破機車UBI研究匱乏的困境,本研究提出一機車車險服務架構,其中包含提出適合機車的多維度駕駛風險等級、建立駕駛風險指跡模型(Risk-aware fingerprint model)。本研究以三軸加速度、三軸角速度探討機車的操作行為,提出一屬於機車標的的風險等級;利用神經網路之運算特性,透過自編碼神經網路(Autoencoder)萃取車輛動態資訊,將高維原始數據壓縮編碼成低維度的駕駛風險指跡,並透過T-SNE視覺化檢視資料特徵萃取效果,再透過不同深度學習與機器學習進行駕駛風險等級之預測,找出最佳駕駛風險指跡模型。本研究提出的模型及想法,不僅可有效改善過往研究的限制,亦可幫助突破過往UBI推行之困難,從根本改善駕駛人行為,並且提升道路安全。
Usage Based Insurance (UBI) is a trend in auto insurance industry over the world which is based on individual driving behavior and driving risk, reflecting in the customized insurance rates. From the perspective of society, UBI service can effectively reduce the risks of passers-by and improve the overall road safety level. From the perspective of the insurance industry, the introduction of UBI service can be more competitive than competitions. However, there is still no relevant research on motorcycles in the current UBI literature, and Taiwan’s geographical and cultural environment has created special driving characteristics that are different from those of motorcycles in foreign; in addition, the increase in privacy and personal safety awareness has also caused UBI’s difficulty in implementation. If the UBI service with motorcycles as the target is launched, the advantages of UBI service in the automobile insurance market will be copied to the motorcycle insurance market. Also, it will create a better driving environment, alleviate motorcycle casualties, and also enable the drivers protected by insurance.
In order to break through the lack of research on motorcycle UBI, this research proposes a UBI service framework for motorcycles, including proposing multi-dimensional driving risk level suitable for motorcycles and proposing risk-aware fingerprint model. This research explores the operation of the motorcycle with three-axis acceleration and three-axis angular velocity and proposes a risk level standard belonging to the motorcycle; Moreover, using the computational characteristics of the neural network, the dynamic driving information is extracted through the autoencoder. The original data with high-dimensional information is compressed and encoded into low-dimensional driving risk-aware fingerprint (RAF). The performance of feature extraction by autoencoder is visually inspected through T-SNE. Additionally, using RAF with different deep learning and machine learning classifiers to predict risk level and find the best driving risk-aware fingerprint model. The models and ideas proposed in this study can not only effectively improve the limitations of previous studies, but also help break through the difficulties of the implementation of UBI in the past, fundamentally improve driver behavior, and improve road safety.
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