{"title":"一种自动着陆系统","authors":"F. Powell","doi":"10.1109/TANE3.1959.4201679","DOIUrl":null,"url":null,"abstract":"The concept, theory, implementation, and test results of the Bell Aircraft Automatic Landing System are presented. The system, which requires no additional airborne electronics equipment in land-based aircraft carrying an ILAS receiver and coupler, employs a precise ground-based radar and command computer. The major source of error of this closed-loop system is turbulence, while performance is limited chiefly by aircraft and autopilot properties. Flight-test results covering over 2000 automatic touchdowns and a variety of propeller and jet aircraft are presented for vertical and lateral degrees of freedom.","PeriodicalId":332621,"journal":{"name":"IRE Transactions on Aeronautical and Navigational Electronics","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"An Automatic Landing System\",\"authors\":\"F. Powell\",\"doi\":\"10.1109/TANE3.1959.4201679\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The concept, theory, implementation, and test results of the Bell Aircraft Automatic Landing System are presented. The system, which requires no additional airborne electronics equipment in land-based aircraft carrying an ILAS receiver and coupler, employs a precise ground-based radar and command computer. The major source of error of this closed-loop system is turbulence, while performance is limited chiefly by aircraft and autopilot properties. Flight-test results covering over 2000 automatic touchdowns and a variety of propeller and jet aircraft are presented for vertical and lateral degrees of freedom.\",\"PeriodicalId\":332621,\"journal\":{\"name\":\"IRE Transactions on Aeronautical and Navigational Electronics\",\"volume\":\"25 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1959-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IRE Transactions on Aeronautical and Navigational Electronics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/TANE3.1959.4201679\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IRE Transactions on Aeronautical and Navigational Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TANE3.1959.4201679","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The concept, theory, implementation, and test results of the Bell Aircraft Automatic Landing System are presented. The system, which requires no additional airborne electronics equipment in land-based aircraft carrying an ILAS receiver and coupler, employs a precise ground-based radar and command computer. The major source of error of this closed-loop system is turbulence, while performance is limited chiefly by aircraft and autopilot properties. Flight-test results covering over 2000 automatic touchdowns and a variety of propeller and jet aircraft are presented for vertical and lateral degrees of freedom.
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