Barometric Altimeter Assisted SINS/DR Combined Land Vehicle Gravity Anomaly Method
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
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| _version_ | 1866916448802177024 |
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| author | Zhang, Kefan Zhang, Zhili Zhao, Junyang Lv, Shenhua |
| author_facet | Zhang, Kefan Zhang, Zhili Zhao, Junyang Lv, Shenhua |
| contents | Traditional land vehicle gravity measurement heavily rely on high-precision satellite navigation positioning information. However, the operational range of satellite navigation is limited, and it cannot maintain the required level of accuracy in special environments. To address this issue, we propose a novel land vehicle gravity anomaly measurement method based on altimeter-assisted strapdown inertial navigation system (SINS)/dead reckoning (DR) integration. Gravimetric measurement trials demonstrate that after low-pass filtering, the new method achieves a fit accuracy of 2.005 mGal, comparable to that of the traditional SINS/global navigation satellite system (GNSS) integration method. Compared with the SINS/DR integration method, the proposed method improves accuracy by approximately 11%. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_16807 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Barometric Altimeter Assisted SINS/DR Combined Land Vehicle Gravity Anomaly Method Zhang, Kefan Zhang, Zhili Zhao, Junyang Lv, Shenhua Instrumentation and Detectors Traditional land vehicle gravity measurement heavily rely on high-precision satellite navigation positioning information. However, the operational range of satellite navigation is limited, and it cannot maintain the required level of accuracy in special environments. To address this issue, we propose a novel land vehicle gravity anomaly measurement method based on altimeter-assisted strapdown inertial navigation system (SINS)/dead reckoning (DR) integration. Gravimetric measurement trials demonstrate that after low-pass filtering, the new method achieves a fit accuracy of 2.005 mGal, comparable to that of the traditional SINS/global navigation satellite system (GNSS) integration method. Compared with the SINS/DR integration method, the proposed method improves accuracy by approximately 11%. |
| title | Barometric Altimeter Assisted SINS/DR Combined Land Vehicle Gravity Anomaly Method |
| topic | Instrumentation and Detectors |
| url | https://arxiv.org/abs/2410.16807 |