Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185833
M. E. Brown, R.S. Reska
EPLRS is a network of ultrahigh frequency radios managed by a control station. The small, lightweight radio sets can be carried on a soldier's back, mounted on a combat vehicle, or installed in aircraft. The control station providing network management functions is housed in a standard military S-280 shelter. The authors present some of the many lessons learned during the EPLRS testing.<>
{"title":"Lessons learned during testing of the Enhanced Position Location Reporting System (EPLRS)","authors":"M. E. Brown, R.S. Reska","doi":"10.1109/PLANS.1992.185833","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185833","url":null,"abstract":"EPLRS is a network of ultrahigh frequency radios managed by a control station. The small, lightweight radio sets can be carried on a soldier's back, mounted on a combat vehicle, or installed in aircraft. The control station providing network management functions is housed in a standard military S-280 shelter. The authors present some of the many lessons learned during the EPLRS testing.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125030879","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185854
J. R. Buggy, R. F. Dillingham, D. Kee, J. Phanos, N. R. Weinman
Under the Block III Conventional Tomahawk Land Attack Missile (TLAM) upgrade program, a two-channel Global Positioning System (GPS) receiver was integrated with the existing cruise missile navigation system. The Naval Air Development Center was tasked to perform independent validation and verification of the GPS flight software (GFS) hosted in the GPS receiver processor unit. Modifications were made to the GPS Central Engineering Activity (CEA) facility to allow for the testing of the GFS under simulated TLAM operational conditions. The authors present the methodology for conducting the GFS IV and V, the test requirements, and test plans and results. The lessons learned and test results obtained from the TLAM GPS IV and V are extrapolated for future GPS missile design requirements.<>
{"title":"Independent verification and validation (IV and V) testing of the Tomahawk Land Attack Missile (TLAM) GPS receiver","authors":"J. R. Buggy, R. F. Dillingham, D. Kee, J. Phanos, N. R. Weinman","doi":"10.1109/PLANS.1992.185854","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185854","url":null,"abstract":"Under the Block III Conventional Tomahawk Land Attack Missile (TLAM) upgrade program, a two-channel Global Positioning System (GPS) receiver was integrated with the existing cruise missile navigation system. The Naval Air Development Center was tasked to perform independent validation and verification of the GPS flight software (GFS) hosted in the GPS receiver processor unit. Modifications were made to the GPS Central Engineering Activity (CEA) facility to allow for the testing of the GFS under simulated TLAM operational conditions. The authors present the methodology for conducting the GFS IV and V, the test requirements, and test plans and results. The lessons learned and test results obtained from the TLAM GPS IV and V are extrapolated for future GPS missile design requirements.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128654877","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185903
J. A. Ratkovic
Summary form only given, as follows. The GPS (Global Positioning System) guidance package program will combine a fiber-optic-based inertial navigator with a miniaturized GPS unit. This system will provide 1 nm/hr stand-alone capability without GPS, and 20 m positioning with GPS. The major objectives of the program include small package size (100 cubic inches, 7 lbs), low power (30 W), and low production cost. Fiber-optic technology coupled with a high-speed miniaturized GaAs GPS receiver provides the key to meeting these program objectives. The all-solid-state nature of this approach also promises significant reliability gains over present integrated INS (inertial navigation system)/GPS systems.<>
{"title":"GPS guidance package","authors":"J. A. Ratkovic","doi":"10.1109/PLANS.1992.185903","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185903","url":null,"abstract":"Summary form only given, as follows. The GPS (Global Positioning System) guidance package program will combine a fiber-optic-based inertial navigator with a miniaturized GPS unit. This system will provide 1 nm/hr stand-alone capability without GPS, and 20 m positioning with GPS. The major objectives of the program include small package size (100 cubic inches, 7 lbs), low power (30 W), and low production cost. Fiber-optic technology coupled with a high-speed miniaturized GaAs GPS receiver provides the key to meeting these program objectives. The all-solid-state nature of this approach also promises significant reliability gains over present integrated INS (inertial navigation system)/GPS systems.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124641089","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185844
J. Gilmore, T. Chien, R. Wingler
Summary form only given. The authors present the development of a precision pointing system, the inertial pseudo-star reference unit (IPSRU). The IPSRU implements a collimated light source mounted on an inertially stabilized platform that is configured using a centrally located two-degree-of-freedom (2-DOF) flexure assembly. The platform inertial sensing is achieved through the combined use of a precision, low-noise 2-DOF dry-tuned rotor gyro (DTG) and two angular displacement sensors (ADS). The composite gyro and ADS implementation optimally combines low-frequency gyro measurements with ADS higher frequency sensing to achieve a composite wide band, extremely low noise, and inertial sensing capability. The collimated light beam in effect becomes a jitter-stabilized pseudo-star. In addition, its pointing direction in inertial space can be changed at a precise rate by commands applied via torquing signals to the gyro.<>
{"title":"Inertial pseudo star reference unit","authors":"J. Gilmore, T. Chien, R. Wingler","doi":"10.1109/PLANS.1992.185844","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185844","url":null,"abstract":"Summary form only given. The authors present the development of a precision pointing system, the inertial pseudo-star reference unit (IPSRU). The IPSRU implements a collimated light source mounted on an inertially stabilized platform that is configured using a centrally located two-degree-of-freedom (2-DOF) flexure assembly. The platform inertial sensing is achieved through the combined use of a precision, low-noise 2-DOF dry-tuned rotor gyro (DTG) and two angular displacement sensors (ADS). The composite gyro and ADS implementation optimally combines low-frequency gyro measurements with ADS higher frequency sensing to achieve a composite wide band, extremely low noise, and inertial sensing capability. The collimated light beam in effect becomes a jitter-stabilized pseudo-star. In addition, its pointing direction in inertial space can be changed at a precise rate by commands applied via torquing signals to the gyro.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123886470","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185891
K.E. Leiser
Summary form only given. A single MAPS production contract has been awarded to Honeywell to supply the US Army with their Model H-726 model ring laser gyro (RLG) MAPS. Honeywell presented an extensive report of their full-scale development (FSD) test results at the IEEE PLANS 88 Symposium in Orlando, Florida. The author will present a brief summary of the FSD test results, detail the production first article test results, and describe the specification changes that have been made since the end of the FSD phase of the program. Also described will be some of the other applications for the MSP hardware, including the British Warrior observation post vehicle, the COBRA radar system, and the variety of Swedish vehicles that will use this equipment under the POS2 contract.<>
{"title":"The RLG modular azimuth position system (MAPS) comes of age: first article test results and present applications","authors":"K.E. Leiser","doi":"10.1109/PLANS.1992.185891","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185891","url":null,"abstract":"Summary form only given. A single MAPS production contract has been awarded to Honeywell to supply the US Army with their Model H-726 model ring laser gyro (RLG) MAPS. Honeywell presented an extensive report of their full-scale development (FSD) test results at the IEEE PLANS 88 Symposium in Orlando, Florida. The author will present a brief summary of the FSD test results, detail the production first article test results, and describe the specification changes that have been made since the end of the FSD phase of the program. Also described will be some of the other applications for the MSP hardware, including the British Warrior observation post vehicle, the COBRA radar system, and the variety of Swedish vehicles that will use this equipment under the POS2 contract.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123928957","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185868
A. Nelson
In order to perform a complete comparison with existing systems and properly define and analyze the error properties of the GPS (Global Positioning System), PFE (path following error), and CMN (control motion noise) filters need to be defined for use during testing activities. The author discusses PFE and CMN characteristics and how these error components affect flight and aircraft systems, and then derives digital filters that can be used to reduce GPS data into components of PFE and CMN based on international specifications.<>
{"title":"The derivation of path following error and control motion noise filters for the reduction of Global Positioning System flight test data","authors":"A. Nelson","doi":"10.1109/PLANS.1992.185868","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185868","url":null,"abstract":"In order to perform a complete comparison with existing systems and properly define and analyze the error properties of the GPS (Global Positioning System), PFE (path following error), and CMN (control motion noise) filters need to be defined for use during testing activities. The author discusses PFE and CMN characteristics and how these error components affect flight and aircraft systems, and then derives digital filters that can be used to reduce GPS data into components of PFE and CMN based on international specifications.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130731842","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185859
S. Mahmood, D. Payne, J. Colee, J. Taylor, J. Luse, S. Burkett
The Electronic Design and Integration Directorate and the Systems Technology Directorate, Special Scientific Projects, of the 3246th Test Wing at Eglin Air Force Base (AFB), Florida, are actively engaged in utilizing the ASD/Range Applications Joint Program Office (RAJPO) Global Positioning System (GPS) equipment for automated computer control of full-scale target drones on the Gulf Range at Tyndall AFB, Florida. The authors describe the performance characteristics of the GPS high dynamics instrumentation set (HDIS) being used in the current test missions. A description of other associated RAJPO equipment that is essential for realizing the differential GPS mode is also provided. A concept for using the proven translator/translator processing system (TPS) system in a variety of scenarios requiring low-cost expendable hardware is discussed. The feasibility of the RAJPO HDIS for the purpose of controlling target drones has been established during recent tests in the inertially aided mode.<>
{"title":"Gulf Range target control using RAJPO GPS equipment: test results and an alternate concept","authors":"S. Mahmood, D. Payne, J. Colee, J. Taylor, J. Luse, S. Burkett","doi":"10.1109/PLANS.1992.185859","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185859","url":null,"abstract":"The Electronic Design and Integration Directorate and the Systems Technology Directorate, Special Scientific Projects, of the 3246th Test Wing at Eglin Air Force Base (AFB), Florida, are actively engaged in utilizing the ASD/Range Applications Joint Program Office (RAJPO) Global Positioning System (GPS) equipment for automated computer control of full-scale target drones on the Gulf Range at Tyndall AFB, Florida. The authors describe the performance characteristics of the GPS high dynamics instrumentation set (HDIS) being used in the current test missions. A description of other associated RAJPO equipment that is essential for realizing the differential GPS mode is also provided. A concept for using the proven translator/translator processing system (TPS) system in a variety of scenarios requiring low-cost expendable hardware is discussed. The feasibility of the RAJPO HDIS for the purpose of controlling target drones has been established during recent tests in the inertially aided mode.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133415722","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185837
T. H. Robinson, E. Trujillo
A powerful integrated processor architecture has been developed by Hughes Aircraft Company to meet sensor, sensor fusion, and mission processing requirements. The Hughes Modular Processor (HMP) is based on development for the Lockheed F-22 Advanced Tactical Fighter Common Integrated Processor (CIP), and rests on an extensive prior history of high-performance imbedded signal and data processors. The authors discuss the HMP integrated, open architecture. This architecture has been demonstrated in an integrated electronic warfare, communications, radar, electrooptical and mission processing application, as well as in stand-alone sensor/mission processing configurations. Single application HMP configurations such as mission computing and dedicated sensor processors can be derived. Key technology issues are addressed, and innovative solutions to the difficulties of modular systems are presented. Specific module designs incorporating advanced packaging technology are discussed with emphasis on functionality and performance. The overall support software environment is characterized, with particular emphasis on the Ada compilation system, the operating system, and application user software development system.<>
{"title":"Advanced real time integrated processors","authors":"T. H. Robinson, E. Trujillo","doi":"10.1109/PLANS.1992.185837","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185837","url":null,"abstract":"A powerful integrated processor architecture has been developed by Hughes Aircraft Company to meet sensor, sensor fusion, and mission processing requirements. The Hughes Modular Processor (HMP) is based on development for the Lockheed F-22 Advanced Tactical Fighter Common Integrated Processor (CIP), and rests on an extensive prior history of high-performance imbedded signal and data processors. The authors discuss the HMP integrated, open architecture. This architecture has been demonstrated in an integrated electronic warfare, communications, radar, electrooptical and mission processing application, as well as in stand-alone sensor/mission processing configurations. Single application HMP configurations such as mission computing and dedicated sensor processors can be derived. Key technology issues are addressed, and innovative solutions to the difficulties of modular systems are presented. Specific module designs incorporating advanced packaging technology are discussed with emphasis on functionality and performance. The overall support software environment is characterized, with particular emphasis on the Ada compilation system, the operating system, and application user software development system.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115225836","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185826
J. Sennott, R. Matusiak
A highly compact and secure municipal area personnel tracking device is described. Position updates to a nominal accuracy of 20 meters for up to 1000 active users are required. Coverage over paging and cellular phone service areas, including most interior office space, is provided. The system is protected from unauthorized position monitoring and from jamming. Dependent tracking and independent tracking are considered. The selected tracking system uses a user beacon operating in the 900 MHz range, the signal emitted by each user consisting of 0.1-s bursts sent every 100 s. A time-bandwidth of 100000 is utilized to overcome high link attenuations and interference. To meet spoof and position-denial requirements, one-time bursts are used in each time slot. A custom all-digital signal correlation system was developed to meet the high processing gain and programmability requirements of master and remote monitor sites. Acquisition times are reduced by transmit time and time interval synchronization obtained over the existing paging or cellular-phone receive link.<>
{"title":"A high performance position tracker for embedded paging, cellular telephone, and law enforcement applications","authors":"J. Sennott, R. Matusiak","doi":"10.1109/PLANS.1992.185826","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185826","url":null,"abstract":"A highly compact and secure municipal area personnel tracking device is described. Position updates to a nominal accuracy of 20 meters for up to 1000 active users are required. Coverage over paging and cellular phone service areas, including most interior office space, is provided. The system is protected from unauthorized position monitoring and from jamming. Dependent tracking and independent tracking are considered. The selected tracking system uses a user beacon operating in the 900 MHz range, the signal emitted by each user consisting of 0.1-s bursts sent every 100 s. A time-bandwidth of 100000 is utilized to overcome high link attenuations and interference. To meet spoof and position-denial requirements, one-time bursts are used in each time slot. A custom all-digital signal correlation system was developed to meet the high processing gain and programmability requirements of master and remote monitor sites. Acquisition times are reduced by transmit time and time interval synchronization obtained over the existing paging or cellular-phone receive link.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115559765","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}
Pub Date : 1992-03-23DOI: 10.1109/PLANS.1992.185873
R. G. Welshe, R. Wong, D. Rochester, R. Fischer
Western Geophysical has been developing a proprietary high-precision differential GPS (Global Positioning System) marine navigation system with the goal of providing submeter real-time positioning of a marine seismic survey vessel located up to 1000 km from a land-based reference station. The system measures L1 and L2 group delay observables without knowledge of the P code and uses them to derive the ionospheric corrections. Various land-based tests have been run on a prototype system, demonstrating the capability of obtaining real-time accuracies of 1 m and post-fit submeter absolute accuracies at distances up to 650 km, with average errors consistently less than 0.5 m. Results of the tests are reported.<>
{"title":"Status of marine high-precision GPS navigation system","authors":"R. G. Welshe, R. Wong, D. Rochester, R. Fischer","doi":"10.1109/PLANS.1992.185873","DOIUrl":"https://doi.org/10.1109/PLANS.1992.185873","url":null,"abstract":"Western Geophysical has been developing a proprietary high-precision differential GPS (Global Positioning System) marine navigation system with the goal of providing submeter real-time positioning of a marine seismic survey vessel located up to 1000 km from a land-based reference station. The system measures L1 and L2 group delay observables without knowledge of the P code and uses them to derive the ionospheric corrections. Various land-based tests have been run on a prototype system, demonstrating the capability of obtaining real-time accuracies of 1 m and post-fit submeter absolute accuracies at distances up to 650 km, with average errors consistently less than 0.5 m. Results of the tests are reported.<<ETX>>","PeriodicalId":422101,"journal":{"name":"IEEE PLANS 92 Position Location and Navigation Symposium Record","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114730818","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}
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