Undersökning av regulatorer for normalaccelerationen hos ett flygplan
(1975) In MSc ThesesDepartment of Automatic Control
- Abstract
- This work is dealing with airplane control. <br><br> The work is based on the JACC conference from 1970, where the time domain specifications on the step response of the normal acceleration n^z (perpendicular to the longitudinal direction of the airplane) and its derivative are given, so that all step responses shall entirely lie within the specifications with a probability of at least 85%. <br><br> The system is of non minimum phrase type and for such a system there often must be a compromise between the requirements on short rise time and the amplitude of the negative overshoot. <br>The airplane is represented by a second order linear system, and the system parameters vary with different flight conditions. <br>First a 2-feedback 4th... (More)
- This work is dealing with airplane control. <br><br> The work is based on the JACC conference from 1970, where the time domain specifications on the step response of the normal acceleration n^z (perpendicular to the longitudinal direction of the airplane) and its derivative are given, so that all step responses shall entirely lie within the specifications with a probability of at least 85%. <br><br> The system is of non minimum phrase type and for such a system there often must be a compromise between the requirements on short rise time and the amplitude of the negative overshoot. <br>The airplane is represented by a second order linear system, and the system parameters vary with different flight conditions. <br>First a 2-feedback 4th order linear system is investigated and a rule is worked out on how to choose the feedback parameters as the flight conditions vary. <br>Next there are added another 2-feedback loops so that the poles of the system could be placed arbitrarily. The problem is: where shall we place the poles for this non minimum phase type system? <br>Next an 8th order system was simulated and the results were finally discussed and compared. <br>The analogue computer of the institute was used in all simulations. (Less)
Please use this url to cite or link to this publication:
http://lup.lub.lu.se/student-papers/record/8850380
- author
- Engel, John
- supervisor
- organization
- year
- 1975
- type
- H3 - Professional qualifications (4 Years - )
- subject
- publication/series
- MSc Theses
- report number
- TFRT-5167
- ISSN
- 0346-5500
- language
- Swedish
- id
- 8850380
- date added to LUP
- 2016-03-29 10:26:29
- date last changed
- 2016-03-29 10:26:29
@misc{8850380,
abstract = {{This work is dealing with airplane control. <br><br> The work is based on the JACC conference from 1970, where the time domain specifications on the step response of the normal acceleration n^z (perpendicular to the longitudinal direction of the airplane) and its derivative are given, so that all step responses shall entirely lie within the specifications with a probability of at least 85%. <br><br> The system is of non minimum phrase type and for such a system there often must be a compromise between the requirements on short rise time and the amplitude of the negative overshoot. <br>The airplane is represented by a second order linear system, and the system parameters vary with different flight conditions. <br>First a 2-feedback 4th order linear system is investigated and a rule is worked out on how to choose the feedback parameters as the flight conditions vary. <br>Next there are added another 2-feedback loops so that the poles of the system could be placed arbitrarily. The problem is: where shall we place the poles for this non minimum phase type system? <br>Next an 8th order system was simulated and the results were finally discussed and compared. <br>The analogue computer of the institute was used in all simulations.}},
author = {{Engel, John}},
issn = {{0346-5500}},
language = {{swe}},
note = {{Student Paper}},
series = {{MSc Theses}},
title = {{Undersökning av regulatorer for normalaccelerationen hos ett flygplan}},
year = {{1975}},
}