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Terminal area automatic navigation, guidance, and control research using the Microwave Landing System (MLS). Part 2 RNAV MLS transition problems for aircraft
| 题名： | Terminal area automatic navigation, guidance, and control research using the Microwave Landing System (MLS). Part 2 RNAV MLS transition problems for aircraft |
| 作者： | Pines, S. |
| 关键词： | terminal；microwave；research；control；lems；instruments；itio；ding；atic；guid |
| 摘要： | The problems in navigation and guidance encountered by aircraft in the initial transition period in changing from distance measuring equipment, VORTAC, and barometric instruments to the more precise microwave landing system data type navaids in the terminal area are investigated. The effects of the resulting discontinuities on the estimates of position and velocity for both optimal (Kalman type navigation schemes) and fixed gain (complementary type) navigation filters, and the effects of the errors in cross track, track angle, and altitude on the guidance equation and control commands during the critical landing phase are discussed. A method is presented to remove the discontinuities from the navigation loop and to reconstruct an RNAV path designed to land the aircraft with minimal turns and altitude changes. |
| 报告类型： | 科技报告 |
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