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頁籤選單縮合
| 題 名 | Detection of Road Roughness by Using Post-Processed Kinematic GNSS=利用後處理動態GNSS定位技術偵測道路平坦度 |
|---|---|
| 作 者 | 張嘉強; 蔡明達; 高泉哲; | 書刊名 | 中正嶺學報 |
| 卷 期 | 45:2(A) 2016.11[民105.11] |
| 頁 次 | 頁29-35 |
| 分類號 | 442.15 |
| 關鍵詞 | 全球導航衛星系統; 慣性量測單元; 動態定位; 道路平坦度; GNSS; IMU; Kinematic positioning; Road roughness; |
| 語 文 | 英文(English) |
| 中文摘要 | 在研擬一項新型態之道路平坦度感測作業技術時,由於搭載感測器之車輛載具多行駛於都 會區內,其可能面臨衛星信號遮蔽問題,故本研究以運用全球導航衛星系統(Global Navigation Satellite System, GNSS)組合觀測量為基礎,透過後處理之動態定位模式,進行時序坐標資料 之解算,並參考原始定位成果之精度,據以建立道路平坦度評估之相關指標。為求測試GNSS 定位資料在道路平坦度感測上之應用能力,本研究於桃園市中壢區附近選擇平面道路、快速 道路及高速公路等三種路型各一小段,分別進行其道路平坦度之感測,並與慣性量測裝置 (Inertial Measurement Unit, IMU)之感測成果進行比對,成果顯示該類型之資料已可具有適 當程度之道路平坦度感測能力。 |
| 英文摘要 | The present work proposes a new technique for detecting uneven road surfaces according to satellite positioning; Global Navigation Satellite System (GNSS) observations can be used to overcome the problem of satellite signal obstruction when vehicles are moving in urban areas. Time series of coordinate data sets were originally obtained from post-processed kinematic GNSS solutions. The standard deviations of the coordinates were then evaluated, and the qualified height solutions were selected to establish road roughness indexes. To measure the capabilities of this GNSS-based technique, road tests were conducted on a city road, highway, and freeway in the Zhongli district of Taoyuan City, Taiwan. The estimated road roughness indexes were analyzed between tests, and compared with those derived from an inertial measurement unit (IMU) device carried on the test vehicle. The results indicated that a numerical transformation function existed between the two, and that GNSS data are able to be used to detect road roughness. |
本系統中英文摘要資訊取自各篇刊載內容。