Journal
ELECTRONICS
Volume 9, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/electronics9010120
Keywords
vehicular seamless navigation technology; integrated navigation; enhanced reduced inertial sensor system (RISS)
Categories
Funding
- National Natural Science Foundation of China (NSFC) [61803118]
- Science and Technology Research Program of Chongqing Municipal Education Commission [KJZD-K201804701]
- Foundation of Heilongjiang Province [LBH-Z17053]
- Fundamental Research Funds for the Central Universities [3072019CFM0402, 3072019CF0405]
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Vehicles have to rely on satellite navigation in an open environment. However, satellite navigation cannot obtain accurate positioning information for vehicles in the interior of underground parking lots, as they comprise a semi-enclosed navigation space. Therefore, vehicular navigation needs to take into consideration both outdoor and indoor environments. Actually, outdoor navigation and indoor navigation require different positioning methods, and it is of great importance to choose a reasonable navigation and positioning algorithm solution for vehicles. Fortunately, the integrated navigation of the Global Positioning System (GPS) and the Micro-Electro-Mechanical System (MEMS) inertial navigation system could solve the problem of switching navigation algorithms in the entrance and exit of underground parking lots. This paper proposes a low cost vehicular seamless navigation technology based on the reduced inertial sensor system (RISS)/GPS between the outdoors and an underground garage. Specifically, the enhanced RISS is a positioning algorithm based on three inertial sensors and one odometer, which could achieve a similar location effect as the full model integrated navigation, reduce the costs greatly, and improve the efficiency of each sensor.
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