Searched for: subject%3A%22time%255C+lag%22
(1 - 8 of 8)
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Veringa, Martijn (author)
In this study loading characteristics of rubble mound breakwater crown walls are investigated. This is done using a 2D physical model, testing for overall stability (through sliding) and temporal & spatial distributions of pressure along the face and base of the crown wall. A variety of wave conditions and geometries is used, with special...
master thesis 2023
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Sigalas, Nikos (author)
In the present study the stability of crown wall elements on top of a rubble mound breakwaters is investigated. The first step was conducting a literature review, in order to identify knowledge gaps. It was found that current design methods do not take the freeboard of the crown wall into account when calculating the vertical force acting on it....
master thesis 2019
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Paprotny, D. (author)
This paper applies the ‘time lag’ method to a set of social and economic indicators, examining the development of Central and Eastern Europe since the first world war. Originally used to assess technology diffusion, this method allows comparison of levels of development between states and through a long period of time. It presents how many years...
journal article 2015
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Bos, J.F.T. (author), Faasse, P.R. (author)
The High Speed wind Tunnel (HST) of the National Aerospace Laboratory NLR is one of the major transonic windtunnels and is used for aerodynamic research on scale models. The measurements require the control of the Mach number. Two kinds of controller tasks can be distinguished: keeping the Mach number constant, and realizing a different Mach...
report 1992
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Pinches, C.L. (author), Kuijpers, E.A. (author), Spaan, F. (author)
Microgravity experiments operated using telescience concepts face certain constraints. The effect of these constraints on the focusing task are identified. Four types of focusing strategy, which provide a natural means of focusing in the presence of these constraints, are described. Three specific strategies are implemented as part of the...
report 1991
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Storm van Leeuwen, S. (author)
It is often necessary to correct for delay times in the units of a measurement channel, especially in the case of flight tests. In a pressure measurement channel the sensing orifice is connected to the transducer by a pressure line which may be several meters in length. In this case the pneumatic delay time might well be the major contribution...
report 1990
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van Swieten, A.C.M. (author), Kampen, S. (author)
In the study "Control loops with human operators" this volume is concerned with the robot arm case. Servicing of satellites and assembly of space structures require robotic operations. These operations are controlled from the ground by human operators. Five operational modes for the combined space- and ground segment are defined: - high level...
report 1985
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Milgram, P. (author), van Woerkom, P.T.L.M. (author), Wewerinke, P.H. (author)
This report presents the results of an illustrative analysis of human-in-the-loop rendezvous and docking (RVD) performance, for the purpose of demonstrating the practicality of applying human engineering methods and techniques, introduced in Part I of this project, to the analysis of control loops with human operators in space operations....
report 1984
Searched for: subject%3A%22time%255C+lag%22
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