2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)最新文献

{"title":"Advances in the Use of NAS Infrastructure and GBDAA for UAS Operations","authors":"R. J. Stamm, J. Glaneuski, P. Kennett, Jean-Marc Bélanger","doi":"10.1109/DASC.2018.8569723","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569723","url":null,"abstract":"A Ground Based Detect and Avoid (GBDAA) system, derived from the Terminal Automation Modernization Replacement (TAMR) system, the terminal air traffic control (ATC) automation system currently in use in US National Airspace (NAS) continues to evolve to provide enhanced detect and avoid decision making for unmanned aircraft (UA) operating in the NAS. GBDAA capabilities have been developed as a partnership between the USAF, State of Ohio, DOT Volpe Center, MITRE and Raytheon. The system displays airborne tracks provided by a collection of sensors for situational awareness and proximity alerts to crew and mission planners. Large and small unmanned aircraft systems (sUAS) operations are supported using both fixed and mobile facilities. The GBDAA system allows the pilot to make decisions about flight maneuvers without using ground observers or chase planes during day and night operations. Recent enhancements include the use of a separate GBDAA Operator (GO) display, synchronized with the UA's Pilot in Command's (PIC) display to allow for the safe passage of the UA throughout its operational airspace. The GO supports the PIC with alert prioritization and maneuver recommendations, allowing the PIC to focus on piloting tasks and reduce the time needed for avoidance maneuvers. Several types of UAS operations are described that include: • Table top sUAS operations at a small airfield • Medium sized unmanned aircraft (UA) Ground Control Systems (GCS) such as those used for Predators/Reapers and mobile cart technology. • Larger UAS operations such as those used for the Global Hawk with a separate mission operations center • Airspace utilization, such as transit corridor operations, transition from terminal operations to Class A airspace, and free flight considerations The availability of surveillance coverage and the size of the UAS operational airspace that can be supported can be determined based on available surveillance assets and airspace environment at each location. In many cases, existing surveillance assets are used to provide the information needed on the airspace being monitored. New radar equipment and modifications to existing surveillance assets can be used to augment existing ATC sensors and close surveillance coverage gaps. GBDAA decision making is provided by new software and the use of multisensor fusion tracking software that supports the display of track information for both cooperative and noncooperative targets. These are displayed to both the GO and PIC using a common situation display showing the operational airspace. Several ever increasingly urgent levels of proximity alerts are displayed to both flight crew members as they perform their respective tasks. This paper describes important aspects of the development of a mobile facility as the team integrated access to FAA surveillance radar assets, radio and telecommunications gear to create a complete set of GBDAA services that can be installed at different sites. The necessary airpor","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"245 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122075310","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}

{"title":"Performance Assessment of European Air Navigation Service Providers","authors":"T. Standfuss, M. Schultz","doi":"10.1109/DASC.2018.8569839","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569839","url":null,"abstract":"We present a fundamental methodological approach for Benchmarking Air Navigation Service (ANS) provision in Europe. Based on current studies as well as official EUROCONTROL reports, strengths and weaknesses in economical assessment are emphasized. In a data and operational analysis, we identified heterogeneities in European ANS provision, which are taken into account to provide recommendations for economic modelling. Further on, we run a Malmquist analysis in order to show the annual change in total factor productivity and its sub components.","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116848463","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}

{"title":"The Trade-off Between Trajectory Predictability and Potential Fuel Savings for Continuous Descent Operations","authors":"Yuyang Jia, Kaiquan Cai","doi":"10.1109/DASC.2018.8569886","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569886","url":null,"abstract":"Continuous Descent Operation with a required time of arrival is an environmentally friendly procedure that reduces fuel consumption and emissions. But its idle-thrust demand during flight limits the predictability of trajectory in time dimension, which can be reflected in constrained feasible arrival time window. This paper focuses on finding out the tradeoff relationship between fuel savings and trajectory predictability, with a fixed top of descent. Two conditions under the same scenario are considered and compared in the study. Results show that a time window of 16 seconds could be obtained within a tiny deviation from the minimum fuel consumption and the reachable time window can be enlarged as fuel cost increases. There exists a typical point of extra fuel cost, above which the rate of feasible time window extension becomes rather small.","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"6 18","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120844667","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}

{"title":"Hybrid-Duplex based Control and Non-Payload Communication Systems for UAVs: An Outage Analysis","authors":"Tan Zheng Hui Ernest, A. Madhukumar, Rajendra Prasad Sirigina, A. Krishna","doi":"10.1109/DASC.2018.8569353","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569353","url":null,"abstract":"In this paper, a hybrid-duplex control and non-payload communication (HBD-CNPC) system is proposed to address spectrum scarcity in unmanned aerial vehicle (UAV) communications. By considering the effects of fading and inter-UAV interference, an outage analysis of the proposed system is conducted. It is shown that the successive interference cancellation (SIC) detector achieves lower outage probability than the interference ignorant (II) detector when the desired signal experiences more severe fading than the interfering signal. It is also demonstrated that the HBD-CNPC system achieves better reliability with longer transmission rage and lower transmission requirements over half-duplex (HD) CNPC systems.","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"192 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124673545","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}

{"title":"Efficient Hemisphere Unambiguous Magnetic Positioning for Helmet Mounted Sights","authors":"Hong Wu, Yufei Zhao, Chao Zhang","doi":"10.1109/DASC.2018.8569882","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569882","url":null,"abstract":"Helmet Mounted Sights (HMSs) become the important facilities to the cockpits of modern fighter aircraft. The HMSs based on the electromagnetic (EM) positioning have obviously advantages in no Line of Sight (LOS) occlusion, no Infrared Ray (IR) or thermal limitation, and no measure drifting. However, the application of EM HMSs is severely restricted by an inherent hemisphere ambiguity. A method to solve the inherent hemisphere ambiguity of electromagnetic positioning with single 3-axis magnetic source and single 3-axis magnetic sensor is proposed in this paper. The ambiguity is discriminated effectively to enlarge the positioning range of electromagnetic HMSs based on minimum Euclidean distance. Compared with traditional methods, it has significant advantages in positioning accuracy, real-time tracking and handling large-angle errors.","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128156222","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}

{"title":"Quantitative Analysis of ARINC-653 Scheduling Overheads on Multi-Core Systems","authors":"H. Jo, Joo-Kwang Park, Hyun-Wook Jin, Sang hun Lee, Hyung-Sik Yoon","doi":"10.1109/DASC.2018.8569867","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569867","url":null,"abstract":"The Integrated Modular Avionics (IMA) architecture has been suggested to address the Size, Weight, and Power (SWaP) issues and to provide better software consolidation and testability by means of partitioning. ARINC-653 defines essential software features for temporal and spatial partitioning and APplication EXecutive (APEX). The multi-core systems can cope with the SWaP issues efficiently, but multi-core processors have side-effects because of the hardware resources shared across multiple cores. In this paper, we aim to quantitatively compare two different implementation alternatives of ARINC-653 scheduler named Centralized ARINC-653 Scheduler (CAS) and Distributed ARINC-653 Scheduler (DAS) on a multi-core system. It is important to minimize the scheduling overheads to stably utilize existing hard real-time scheduling algorithms; however, the discussions about ARINC-653 scheduling on multi-core systems were limited to qualitative analyses in literature. Thus, we quantitatively analyze the scheduling overheads of CAS and DAS and provide insights into critical design issues of the ARINC-653 scheduler on multi-core systems.","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127340931","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}

{"title":"Capacity-Driven Automatic Design of Dynamic Aircraft Arrival Routes","authors":"Joen Dahlberg, T. Granberg, Tatiana Polishchuk, Christiane Schmidt, L. Sedov","doi":"10.1109/DASC.2018.8569646","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569646","url":null,"abstract":"We present a Mixed-Integer Programming framework for the design of aircraft arrival routes in a Terminal Maneuvering Area (TMA) that guarantee temporal separation of aircraft. The output routes constitute operationally feasible merge trees, and guarantee that the overall traffic pattern in the TMA can be monitored by air traffic controllers; in particular, we ensure that all aircraft on the arrival routes are separated in time and all merge points are spatially separated. We present a proof of concept of our approach, and demonstrate its feasibility by experiments for arrival routes during one hour at Stockholm TMA.","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132384776","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}

{"title":"Mindful Application of Standards for Avionics - An Intentional, Systematic, and Measurable Transformation","authors":"U. Ferrell","doi":"10.1109/dasc.2018.8569883","DOIUrl":"https://doi.org/10.1109/dasc.2018.8569883","url":null,"abstract":"11This work was sponsored by the Federal Aviation Administration Currently the aerospace community is faced with both challenges and opportunities in addressing safety in systems, software, and hardware. These challenges and opportunities include: •Increasing technology and environmental complexity making it difficult to assess for safety under current practices,•Regulatory guidance that is not adequately agile to keep up with the pace of innovations,•Shrinking budgets with pressure to do more with fewer resources,•Increasing global competition since aviation products are being designed, developed and fielded by more countries in the world, and•Opportunities to make use of advancing technology to increase safety by managing complexity. To create a more flexible, efficient, and safer system, certification authorities worldwide are transforming oversight based on transactions to oversight based on collaboration and shared risk. The aviation industry is also transforming to more self-guided responsibilities. The applicant and the regulators have begun a transition to a state which has progressively less direct involvement of the regulators in the compliance activities of the applicant. One of the foundational cultural, technical and business decisions to assuring avionics is the proper application of standards. This will result in safer equipment and afford the applicant a means to demonstrate maturity in safety-culture with measurable continuous improvement. Though currently applicants strive to increase maturity in compliance activities, these efforts are distinct within each applicant organization, appear to be ad hoc from an external perspective, and are not always measured. Such internal maturity indicators could be used for deriving the value-added level of regulatory oversight. Regulatory oversight in the transformed state needs to be intelligently customized to the level needed for the project to provide value and to preserve safety. The FAA currently uses some measures for estimating the proper level of project involvement using numerous factors, one of which is the applicant maturity in the accountability framework. Current assessment of maturity is not always supported by data. This paper proposes a method to sharpen value-added oversight, using software compliance as an example, to measure and demonstrate maturity via mindful application of standards (RTCA/DO-178B/C, RTCA/DO-278/A, RTCA/DO-254). This method is based on principles of the Capability Maturity Model, manufacturing quality, critical characteristics, key characteristics, and monitoring to find non-conforming parts, non-conforming tools, and non-conforming processes. These methods are superimposed on the idea of a software experience factory. This paper further gives examples of the types of question to ask with the focus on improving the tools, processes, and people. The applicant could use this method irrespective of the organizational standard practices to demonstrate the or","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127868314","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}

{"title":"Advanced Low-Cost Integrated Inertial Systems with Multiple Consumer Grade Sensors","authors":"Rita Fontanella, G. de Alteriis, D. Accardo, R. S. Lo Moriello, L. Angrisani","doi":"10.1109/DASC.2018.8569846","DOIUrl":"https://doi.org/10.1109/DASC.2018.8569846","url":null,"abstract":"Last generation consumer grade MEMS inertial sensors have several distinctive features that make their use of interest also for professional navigation applications such as the ones related to attitude determination of advanced small drones. Several advantages arise when using low-cost consumer grade MEMS gyros, such as reduced weight, compact configuration, low power consumption and easy integration with electronic boards. Conversely, some drawbacks are determined in terms of accuracy, since the overall error is more than an order of magnitude worse than industrial grade sensors. To improve the accuracy of inertial units based on commercial grade MEMS gyros, redundancy is exploited in this paper. It consists in adopting a skewed sensors configuration, i.e. a defined number of sensors placed on the faces of a regular polyhedron. This configuration guarantees the self-calibration of the bias of sensors placed on opposite faces of the polyhedron. To test the proposed method, the world's densest sensor board, the SensorTile™, by ST Microelectronics™ has been adopted. Test results show that, by averaging multiple measurements about the same axis, the overall level of accuracy in flight attitude determination will be improved.","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"75 52","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120884863","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}

{"title":"37th DASC Digital Avionics Systems Conference, London, England, UK / September 23-27, 2018","authors":"","doi":"10.1109/dasc.2018.8569352","DOIUrl":"https://doi.org/10.1109/dasc.2018.8569352","url":null,"abstract":"","PeriodicalId":405724,"journal":{"name":"2018 IEEE/AIAA 37th Digital Avionics Systems Conference (DASC)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123865105","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}