scholarly journals Digital Computer Systems Principles

1974 ◽  
Vol 17 (4) ◽  
pp. 364-364
Author(s):  
M. M. Lehman
Keyword(s):  
Digital Computer ◽  
Computer Systems

Recent Developments in Automatic Steering of Ships

1986 ◽  
Vol 39 (3) ◽  
pp. 349-362 ◽  
Author(s):  
J. van Amerongen ◽  
H. R. van Nauta Lemke
Keyword(s):  
Adaptive Control ◽  
The Netherlands ◽  
Digital Computer ◽  
Computer Systems ◽  
Fuel Savings ◽  
Recent Developments ◽  
Automatic Steering ◽  
Near Future ◽  
Control Theories

This paper describes modern autopilots for ships. The development of modern optimal and adaptive control theories, together with the availability of inexpensive and fast digital computer systems, makes possible the design of more sophisticated controllers, which achieve better steering and save fuel. Autopilots which simultaneously control the yaw and roll motions are now being developed. In the near future it is to be expected that advanced track-prediction and track-keeping systems will facilitate the navigation and further contribute to fuel savings. The paper was presented at a Workshop held by the Netherlands branch of the Institute on 21 February 1986.

scholarly journals GEODYNAMICS

GEODYNAMICS ◽  
2007 ◽  
Vol 1(6)2007 (1(6)) ◽  
pp. 60-66
Author(s):  
V.V. Shljahovyj ◽  
Keyword(s):  
Digital Computer ◽  
Computer Systems ◽  
High Sensitivity ◽  
Earth Tides ◽  
Information Network ◽  
Geophysical Fields

The digital computer geodynamic complex is used for registration of earth tides, the seismic information and other geophysical fields. It consists from high-sensitivity tidal gravimeter, autocompensatory seismotiltmeter, 24-bits ADC, computer systems of registration and the system of registration of meteoparameters. The com­plex is connected from a computer information network of an observatory to Internet.

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