Trajectory Control for a Low-lift Maneuverable Reentry Vehicle Using State Feedback PDF Download
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Author: Axel Roenneke
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 324
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Book Description
Author: Axel Roenneke
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 324
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Book Description
Author: Axel J. Roenneke
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1461528321
Category : Science
Languages : en
Pages : 350
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 36 (thesis year 1991) a total of 11,024 thesis titles from 23 Canadian and 161 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 36 reports theses submitted in 1991, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author:
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Category : Flight control
Languages : en
Pages : 764
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Author: Charles Frank LaDue
Publisher:
ISBN:
Category :
Languages : en
Pages : 138
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 548
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Author: Roland Bulirsch
Publisher: Birkhäuser
ISBN: 3034884974
Category : Technology & Engineering
Languages : en
Pages : 382
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Book Description
Resources should be used sparingly both from a point of view of economy and eco logy. Thus in controlling industrial, economical and social processes, optimization is the tool of choice. In this area of applied numerical analysis, the INTERNATIONAL FEDERATION OF AUTOMATIC CONTROL (IFAC) acts as a link between research groups in universities, national research laboratories and industry. For this pur pose, the technical committee Mathematics of Control of IFAC organizes biennial conferences with the objective of bringing together experts to exchange ideas, ex periences and future developments in control applications of optimization. There should be a genuine feedback loop between mathematicians, computer scientists, engineers and software developers. This loop should include the design, application and implementation of algorithms. The contributions of industrial practitioners are especially important. These proceedings contain selected papers from a workshop on CONTROL Ap PLICATIONS OF OPTIMIZATION, which took place at the Fachhochschule Miinchen in September 1992. The workshop was the ninth in a series of very successful bien nial meetings, starting with the Joint Automatic Control Conference in Denver in 1978 and followed by conferences in London, Oberpfaffenhofen, San Francisco, Ca pri, Tbilisi and Paris. The workshop was attended by ninety researchers from four continents. This volume represents the state of the art in the field, with emphasis on progress made since the publication of the proceedings of the Capri meeting, edited by G. di Pillo under the title 'Control Applications of Optimization and Nonlinear Programming'.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: John M. Eggleston
Publisher:
ISBN:
Category : Space vehicles
Languages : en
Pages : 40
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Book Description
Methods of controlling the trajectories of high-drag--low-lift vehicles entering the earth's atmosphere at angles of attack near 90° and at initial entry angles up to --3° are studied. The trajectories are calculated for vehicles whose angle of attack can be held constant at some specified value or can be perfectly controlled as a function of some measured quantity along the trajectory. The results might be applied in the design of automatic control systems or in the design of instruments which will give the human pilot sufficient information to control his trajectory properly during an atmospheric entry. Trajectory data are compared on the basis of the deceleration, range, angle of attack, and, in some cases, the rate of descent. The aerodynamic heat-transfer rate and skin temperature of a vehicle with a simple heat-sink type of structure are calculated for trajectories made with several types of control functions.
Author:
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ISBN:
Category :
Languages : en
Pages : 25
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A new, on-line sampled-data feedback control algorithm for fast and accurate nonlinear optimal closed-loop control of a generic reentry vehicle in the presence of disturbances is presented. A direct Legendre pseudospectral method is used for the rapid re-computation of the open-loop optimal controls such that a successive optimal solution is fed back to the system to help manage uncertainties and external disturbances. The method is based on a receding-horizon control approach, but does not require and advanced knowledge of the computation time. Successful performance of this approach, combined with a spectral algorithm, shows that rapid trajectory generation is not only achievable, but that it is fast enough to provide optimal closed-loop feedback with successive re-computations.
