2016 DGON Intertial Sensors and Systems (ISS)最新文献

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Two decades of KVH fiber optic gyro technology: From large, low performance FOGs to compact, precise FOGs and FOG-based inertial systems 二十年的KVH光纤陀螺技术:从大型，低性能的陀螺到紧凑，精确的陀螺和基于陀螺的惯性系统

2016 DGON Intertial Sensors and Systems (ISS) Pub Date : 2016-09-01 DOI: 10.1109/INERTIALSENSORS.2016.7745665

J. Napoli, R. Ward

{"title":"Two decades of KVH fiber optic gyro technology: From large, low performance FOGs to compact, precise FOGs and FOG-based inertial systems","authors":"J. Napoli, R. Ward","doi":"10.1109/INERTIALSENSORS.2016.7745665","DOIUrl":"https://doi.org/10.1109/INERTIALSENSORS.2016.7745665","url":null,"abstract":"Fiber optic gyroscopes (FOGs) are vital components for manned, unmanned, and autonomous platforms, as well as applications requiring extremely accurate data for stabilization, pointing, orientation of payloads, and navigation and control. FOG-based inertial systems also provide highly accurate data for all types of navigation, positioning, and georeferencing systems. Substantial improvements in the performance of FOGs and FOG-based inertial systems at KVH are directly related to advancements in the design and manufacture of optical fiber, as well as in manufacturing operations and signal processing. Open-loop FOGs, such as those developed and manufactured by KVH Industries, offer tactical-grade performance in a robust, small package. The success of KVH FOGs and FOG-based inertial systems is due to a series of key innovations including the development of proprietary D-shaped fiber with an elliptical core, as well as KVH's ThinFiber. KVH continually improves its FOG manufacturing processes and its signal processing, with the goal of improving accuracies across its entire FOG product line. KVH acquired its FOG capabilities, including its patented E·Core® fiber, when the company purchased the assets of Andrew Corporation's Sensor Products Group in 1997. E·Core fiber is unique in that the light-guiding fiber core - critical to the FOG's performance - is elliptically-shaped. The elliptical core results in an optical path with low loss and high polarization-maintaining ability. In 2011, KVH developed its ThinFiber, a 170-micron diameter dual acrylate-coated fiber that retains the full performance characteristics of E·Core fiber. ThinFiber has enabled the development of compact, high-performance open-loop FOGs, which are also used in a line of FOG-based inertial measurement units (IMUs) and inertial navigation systems (INS).","PeriodicalId":371210,"journal":{"name":"2016 DGON Intertial Sensors and Systems (ISS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114243889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 10

Aerodynamic parameters compensation in the SINS/AMM/GNSS integrated navigation system SINS/AMM/GNSS组合导航系统气动参数补偿

2016 DGON Intertial Sensors and Systems (ISS) Pub Date : 2016-09-01 DOI: 10.1109/INERTIALSENSORS.2016.7745676

Shen Jieliang, Zhu Xinhua, Wang Yu, Su Yan

{"title":"Aerodynamic parameters compensation in the SINS/AMM/GNSS integrated navigation system","authors":"Shen Jieliang, Zhu Xinhua, Wang Yu, Su Yan","doi":"10.1109/INERTIALSENSORS.2016.7745676","DOIUrl":"https://doi.org/10.1109/INERTIALSENSORS.2016.7745676","url":null,"abstract":"Considering the invalidation of the common airborne integrated navigation system caused by the satellite signal interference, this paper studies the new integrated navigation system, which utilizes the Aircraft Motion Model (AMM) to aid the MEMS-based low-accuracy Strap-down Inertial Navigation System (SINS). The new system operates as a backup airborne navigation method to improve the precision and reliability considerably. Two problems are studied in the paper: the precision problem that originates from the error of the aircraft's aerodynamic parameters, and the coupling problem that lies between the navigation system and the control system for the automatic aircraft. Therefore, the velocity matching of AMM and Global Navigation Satellite System (GNSS) is applied to compensate the aerodynamic parameters when the GNSS signal is stable. Meanwhile, the coupling problem is solved by switching from the automatic mode to manual mode intermittently. Based on a small-scaled fixed-wing Unmanned Aerial Vehicle (UAV) with propeller, the simulation tests show that the GNSS could be used to evaluate several key aerodynamic parameters of the longitudinal channel, thus improving the precision of the integrated navigation system.","PeriodicalId":371210,"journal":{"name":"2016 DGON Intertial Sensors and Systems (ISS)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128090274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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