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車輛定位系統

An Innovative Vehicular Positioning System

摘要


在本篇論文中,我們提出一套新穎的車輛定位系統的概念,該系統的目標在於提升車輛定位系統的準確性以及穩定性。因為在某些情境下,全球定位系統會發生資訊中斷以及多重路徑的影響,導致定位系統的定位資訊的精度及穩定度不足,而導致無法應用於某些特定的場景。因此,為了提升改良傳統GPS可能遇到的問題,我們提出一些新的概念,讓定位系統能夠持續穩定地輸出高精度的定位資訊。該系統的概念是整合多種感測資訊,除了原先的GPS訊號,也加入慣性感測器、輪速計以及環境特徵點偵測的功能。由於部份新出廠的車輛已預先搭載慣性感測器及輪速計,因此本系統將不需要太多額外的成本即可建置完成。

並列摘要


In this paper, we propose a novel concept of the vehicular positioning system, which aims to enhance not only the accuracy but also the reliability of vehicle positioning information. Since outages and multi-path appearance of global positioning system signals occur in some situations, it is obvious that information of global positioning system is not always accurate and reliable. Thus, in order to correct above mentioned problems, we incorporate several innovative ideas with traditional architecture to keep reliable positioning information available. To be specific, our vehicular positioning system integrates several different sensing technologies, including global positioning system, inertial measurement unit, odometer, and environment feature detection and recognition. The system can help vehicles obtain more accurate and reliable vehicular positioning information. As many new vehicles have pre-installed some of these sensors prior to sales, this means that our vehicular positioning system may not induce much additional cost.

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