2006 ieee/aiaa 25TH Digital Avionics Systems Conference最新文献

{"title":"History of Science and Technology Systems Engineering: The Histneer","authors":"R.L. Pope, K. Jones, L. Jenkins, J. Ramsey, S. Burnham","doi":"10.1109/DASC.2006.313731","DOIUrl":"https://doi.org/10.1109/DASC.2006.313731","url":null,"abstract":"This paper takes a holistic systems engineering approach toward addressing the need to consolidate human intellectual capital (called history of science & technology) with scientific and technological history of science and technology (HS&T) (for devices, machines, and processes), along with configuration management for individualized project management and systems engineering technology development efforts. The authors define HS&T as a field of history that examines how our (that is, humanity's) understanding of science and technology has changed over the years. They argue that without such an understanding, development of new technologies could have been improbable. They further describe HS&T as a field of history that studies the cultural, economic, and political impacts of scientific and technological innovation. They define configuration management to be a discipline that applies technical and administrative direction and surveillance to: (1) identify and document the functional and physical characteristics of a scientific and technological configuration item; (2) control changes to those characteristics or attributes pertaining to scientific and technological devices, machines, and processes; and (3) record and report changes to processing and implementation status of scientific and technological devices, machines, and processes. They further describe present-day configuration management to be based upon the physical and some aspect of the informational domain along with a machine-centered sub-domain; and that this is incomplete. The authors argue that from a holistic systems engineering perspective, the majority of the informational domain and plausibly all of the cognitive and social domain in addition to the application- and human-centered sub-domain appear to be overlooked according to present-day configuration management concepts relating to the technology development process. As a plausible solution, they advocate there should be a real-time history of science & technology systems engineer (or histneer-1-) team member working as part of an integrated product team (IPT). That the histneer team member, as part of the system or technology development team, could be responsible for gathering and documenting all aspects of the acquisition development process whether its human performance and recollection data; machine and software data; modeling, simulation and analysis data; ideational data, conceptual data, sociological data, psychological data, and war fighting data related to actual applications of developed technology during combat","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125437153","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":"System-Wide Information Management (SWIM) Demonstration Security Architecture","authors":"B. Stephens","doi":"10.1109/DASC.2006.313762","DOIUrl":"https://doi.org/10.1109/DASC.2006.313762","url":null,"abstract":"System-wide information management (SWIM) is a Federal Aviation Administration (FAA) network-centric environment that facilitates software application integration in the National Airspace System (NAS). Built on a set of five core service types - interfaces, registries, message brokers, information assurance and system management - SWIM accelerates NAS evolution by defining a secure common infrastructure for application integration and a framework for information modeling and exchange. Providing information security in this distributed network-centric environment is a significant challenge. System users must be confident that their critical data is protected. Competing requirements, the transportation of sensitive data and air-to-ground bandwidth constraints mean that a network layer-based approach to security is no longer sufficient. Trusted security at every layer of a network-centric architecture - combined with strong identity management and a data-oriented approach to information assurance - is the key to success. This paper introduces the FAA SWIM demonstration security architecture, and explores some of the methods and mechanisms used to provide end-to-end security, confidentiality, integrity, availability and privacy for NAS applications and their users","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115109529","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":"Virtual MIL-STD-1553","authors":"N. Downing","doi":"10.1109/DASC.2006.313718","DOIUrl":"https://doi.org/10.1109/DASC.2006.313718","url":null,"abstract":"MIL-STD-1553B is a widely popular, standard multiplex data bus that has been employed with great success in a variety of aerospace and defense systems. However, use of real 1553 data busses within simulation and development environments can be unnecessarily restrictive. To use a real bus, expensive cards must be purchased and additional cabling must be used to connect the various system components. In these environments, it would be ideal if existing commodity hardware and communications infrastructure could be utilized to interconnect the simulation or development components. To realize this goal, the MIL-STD-1553 data bus must be virtualized, making the data bus's protocol independent of the communication mechanism used to transmit information. The idea is to move functionality from hardware into software, in essence, create a completely software-based 1553 card simulator (i.e. a virtual 1553 card). The author will refer to this simulation as virtual 1553 throughout this paper. At present, a prototype of this technology has been used to replace physical 1553 connections between the astronauts' command and control software and emulated flight computers in an International Space Station (ISS) simulator developed by United Space Alliance. Use of virtual 1553 has led to reduced deployment costs for the simulator, as neither 1553 cards nor cabling are required and existing hardware is used instead for the 1553 simulation","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121892278","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":"Improving Avionics Fiber Optic Network Reliability and Maintainability Via Built-In Test","authors":"M. Beranek, A. Avak","doi":"10.1109/DASC.2006.313724","DOIUrl":"https://doi.org/10.1109/DASC.2006.313724","url":null,"abstract":"Significant work is ongoing to understand how the application of avionics fiber optic BIT technology can help reduce life cycle and total ownership cost in military aviation platforms. Operational availability enhancements via comprehensive supportability programs combined with keen attentiveness to reliability and maintainability metrics are driving the avionics fiber optic BIT value proposition. Future life cycle cost impact studies in fielded squadron aircraft are expected to validate the assertions put forth in this paper","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121911077","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":"Testing Critical Software: A Case Study for an Aerospace Application","authors":"D. Loubach, J. Nobre, A. M. da Cunha, L. Dias, M. R. Nascimento, W. A. Dos Santos","doi":"10.1109/DASC.2006.313741","DOIUrl":"https://doi.org/10.1109/DASC.2006.313741","url":null,"abstract":"This paper reports an academic experience at the Brazilian Aeronautical Institute of Technology using automated software testing tools applied to a critical real time embedded systems. The work uses a problem-based learning $PBL teaching methodology, a Rational unified process - RUP tailoring, and the IBM-Rational Quality Architect RealTime and the IBM-Rational Test Real Time tools. This academic experience has been originated on the needs and specifications of the Brazilian Aeronautics and Space Institute - IAE and the Brazilian National Institute for Space Research - INPE. The case study is based upon three ongoing realistic software projects, all of them using real time embedded software respectively named unmanned aerial vehicles - UAV, student satellite - SSAT, and ground control station - GCS. This experience has involved 15 senior computer engineering undergrads and 18 graduate students to develop, test, verify, and validate the system, in just 17 academic weeks, and four aggregation levels: computer software units -CSU, computer software components - CSC, computer software configuration items $CSCI in just one computer software system - CSS demanding software engineering state-of-the-art processes, and real time notations and tools. The major contribution of this paper is the proper utilization of available tools to perform automated testing, improving deliverable software quality, reliability and safety, and increasing the expertise of involved professionals, as well as reducing the necessary time to perform unit, integration and system testing","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"27 9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123162768","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":"Security Measures in a Secure Computer Communications Architecture","authors":"L. Bottino","doi":"10.1109/DASC.2006.313729","DOIUrl":"https://doi.org/10.1109/DASC.2006.313729","url":null,"abstract":"The architecture of a computer communication system has evolved with advances in technology. Changes to satisfy telecommunication needs within the technical community have surfaced gradually through the efforts of international computer standards organizations, technical panels, and guidance committees. The design of a secure computer communications architecture to protect the integrity of information exchange is pursued by the aerospace industry, the commercial and financial sectors, and at all levels of government agencies. Banking institutions, the insurance and medical professions, goods and commodity exchanges, the airline industry, and local, state, and federal government agencies have all sought increased computer security and confidence in their computer communications. * Computer security techniques, defense methodologies, and security appliances are discussed and analyzed. These discussions will center on various computer and network security devices. With these devices, the foundations for a rigorous security policy can be created. Security policies are important in preventing compromises of network security and threats affecting secure computer communications. Vulnerabilities in computer networks are identified in terms of exploits. The deployment of scanning technologies can discover these exploits and their affects on the integrity of the information exchanged. These same technologies can assign risk factors and pose suggestions for corrective actions in the computer environment. A firewall system installation is deployed on the network of the enterprise to protect and secure a computer communications architecture. Intrusion detection techniques include signature identification of the intruder to locate and respond to network and host-based intruder attacks. Some of these same techniques will uncover the forensic evidence and explain how the computer or network system was compromised. Virtual Private Networks (VPNs) are another example of a security appliance. This network device employs security mechanisms such as tunneling, Internet protocol (IP) security protocols and cryptography. Insecure computer communications can have devastating consequences on national security, which would affect every aspect of daily life. To address the issue a secure computer communications architecture will be offered as an example to demonstrate the precautions that can be taken, display the benefits from a systems engineering viewpoint and present an economic feasibility with a view towards the future","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123573661","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":"RTCA/DO-254 Data Package for Commercial-Off-The-Shelf Graphical Processors","authors":"R. Fulton","doi":"10.1109/DASC.2006.313751","DOIUrl":"https://doi.org/10.1109/DASC.2006.313751","url":null,"abstract":"RTCA/DO-254 Design Assurance Guidance for Airborne Electronic Hardware is a set of considerations or guidelines for the assurance of electronic hardware in the certification of an aircraft. Section 2 through 9 of the document contains a set of objectives that need to be met and a description of the associated evidence required to show that they have been satisfied. RTCA/DO-254 is primarily intended for the assurance of electronic hardware that is designed and built for a specific aircraft system. The Federal Aviation Administration (FAA) Advisory Circular (AC) 20-152 issued in July, 2005 provides a means of compliance to airworthiness regulations for complex custom coded components. Examples of such components are programmable logic devices such as field programmable gate arrays (FPGA) and application specific integrated circuits (ASIC). The advisory circular specifically states that there is no intention by the FAA for commercial off the shelf (COTS) microprocessors to comply with RTCA/DO-254. Section 11.2 of RTCA/DO-254 addresses the use of COTS components in safety critical avionics systems. COTS components may be a commercially available device such as a graphics ASIC, a motor controller ASIC, a power supply assembly or a ruggedized processor board. This section of RTCA/DO-254 outlines considerations for gaining certification credit for the use of devices or subassemblies that are procured commercially and were not necessarily designed or intended for use in avionics systems. This paper addresses some of the issues involved in getting the data needed to establish suitability of COTS components in avionics systems","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"205 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131775928","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":"On the Use of Behavioral Models for the Integrated Performance and Reliability Evaluation of Fault-Tolerant Avionics Systems","authors":"A. Domínguez-García, J. Kassakian, J. Schindall, J. Zinchuk","doi":"10.1109/DASC.2006.313700","DOIUrl":"https://doi.org/10.1109/DASC.2006.313700","url":null,"abstract":"In this paper, the authors propose an integrated methodology for the reliability and performance analysis of fault-tolerant systems. This methodology uses a behavioral model of the system dynamics, similar to the ones used by control engineers when designing the control system, but incorporates additional artifacts to model the failure behavior of the system components. These artifacts include component failure modes (and associated failure rates) and how those failure modes affect the dynamic behavior of the component. The methodology bases the system evaluation on the analysis of the dynamics of the different configurations the system can reach after component failures occur. For each of the possible system configurations, a performance evaluation of its dynamic behavior is carried out to check whether its properties, e.g., accuracy, overshoot, or settling time, which are called performance metrics, meet system requirements. After all system configurations have been evaluated, the values of the performance metrics for each configuration and the probabilities of going from the nominal configuration (no component failures) to any other configuration are merged into a set of probabilistic measures of performance. To illustrate the methodology, and to introduce a tool that the authors developed in MATLAB/SIMULINKreg that supports this methodology, the authors present a case-study of a lateral-directional flight control system for a fighter aircraft","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121003118","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":"Development of a Digital Avionics Curriculum for the Aeronautical Engineer","authors":"T. W. Hofer, G. Seetharaman","doi":"10.1109/DASC.2006.313715","DOIUrl":"https://doi.org/10.1109/DASC.2006.313715","url":null,"abstract":"The focus of the research leading to this paper was the development of a comprehensive digital avionics curriculum that will serve the needs of aeronautical engineers who will be involved with the development, integration, testing, fielding, and supporting of avionics systems as part of the overall aircraft system. Research was conducted through a literature review, a thorough review of existing avionics programs, and the use of a Delphi Technique survey process. Based upon the findings from the reviews and the Delphi Technique survey process, a six-step curriculum development process was formulated as a method to build a course structure that will satisfy the needs of students enrolled in a digital avionics specialty course sequence. Utilizing the formulated process, a proposed three course curriculum was developed that will provide the avionics knowledge required at the correct level of proficiency while instilling the desired attributes within the aeronautical engineers. The development process and the resulting proposed curriculum will be presented","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132541821","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":"Isar Signal Modeling and Image Reconstruction with Entropy Minimization Autofocussing","authors":"A. Lazarov, C. Minchev","doi":"10.1109/DASC.2006.313697","DOIUrl":"https://doi.org/10.1109/DASC.2006.313697","url":null,"abstract":"In this work a model of deterministic components of ISAR trajectory signal with stepped frequency modulation based on 3D ISAR geometry is suggested. The object space, moving rectilinearly, is presented as a 3D regular grid of isotropic point scatterers. The analytical expressions for computing distances to each point scatterer of the object space are derived. The image reconstruction procedure includes both range and azimuth compression. Cross correlation technique and fast Fourier transform (FFT) to 2D ISAR signal map to realize range compression and azimuth compression, respectively are applied. An autofocusing technique based on entropy minimization is implemented to each ISAR return signal. In order to illustrate the capability of the ISAR signal model and verify the phase correction technique performed by entropy minimization numerical experiment is worked out","PeriodicalId":443824,"journal":{"name":"2006 ieee/aiaa 25TH Digital Avionics Systems Conference","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116035707","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}