Author : D. Firth
Publisher :
Page : 310 pages
File Size : 48,67 MB
Release : 1958
Category :
ISBN :
[PDF] The History And Development Of Hydraulic Transmissions For Marine Propulsion eBook
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Shipbuilding & Marine Engineering International
Author :
Publisher :
Page : 538 pages
File Size : 29,29 MB
Release : 1928
Category : Marine engineering
ISBN :
International Shipbuilding Progress
Author :
Publisher :
Page : 580 pages
File Size : 13,3 MB
Release : 1962
Category : Marine engineering
ISBN :
Transactions - North East Coast Institution of Engineers and Shipbuilders
Author : North East Coast Institution of Engineers and Shipbuilders
Publisher :
Page : 176 pages
File Size : 50,80 MB
Release : 1969
Category : Marine engineering
ISBN :
List of members in each volume.
The Engineers' Digest
Author :
Publisher :
Page : 984 pages
File Size : 10,16 MB
Release : 1958
Category : Engineering
ISBN :
The Shipbuilder and Marine Engine-builder
Author :
Publisher :
Page : 932 pages
File Size : 47,53 MB
Release : 1958
Category : Marine engineering
ISBN :
Engineers' Digest
Author :
Publisher :
Page : 900 pages
File Size : 27,60 MB
Release : 1958
Category : Engineering
ISBN :
The Engineers' Digest [American Edition] Review of Engineering Progress Abroad
Author :
Publisher :
Page : 902 pages
File Size : 18,43 MB
Release : 1958
Category :
ISBN :
Journal
Author : British Ship Research Association
Publisher :
Page : 1018 pages
File Size : 19,35 MB
Release : 1958
Category : Shipbuilding
ISBN :
Consists largely of abstracts of articles and papers of interest to shipbuilders, ship owners and marine engineers.
Control Aspects of Complex Hydromechanical Transmissions
Author : L. Viktor Larsson
Publisher : Linköping University Electronic Press
Page : 55 pages
File Size : 30,53 MB
Release : 2017-08-17
Category :
ISBN : 9176854833
This thesis deals with control aspects of complex hydromechanical transmissions. The overall purpose is to increase the knowledge of important aspects to consider during the development of hydromechanical transmissions to ensure transmission functionality. These include ways of evaluating control strategies in early design stages as well as dynamic properties and control aspects of displacement controllers, which are key components in these systems. Fuel prices and environmental concerns are factors that drive research on propulsion in heavy construction machinery. Hydromechanical transmissions are strong competitors to conventional torque-converter transmissions used in this application today. They offer high efficiency and wide speed/torque conversion ranges, and may easily be converted to hybrids that allow further fuel savings through energy recuperation. One challenge with hydromechanical transmissions is that they offer many different configurations, which in turn makes it important to enable evaluation of control aspects in early design stages. In this thesis, hardware-in-the-loop simulations, which blend hardware tests and standard software-based simulations, are considered to be a suitable method. A multiple-mode transmission applied to a mid-sized construction machine is modelled and evaluated in offline simulations as well as in hardware-in-the-loopsimulations. Hydromechanical transmissions rely on efficient variable pumps/motors with fast, accurate displacement controllers. This thesis studies the dynamic behaviour of the displacement controller in swash-plate axial-piston pumps/motors. A novel control approach in which the displacement is measured with an external sensor is proposed. Performance and limitations of the approach are tested in simulations and in experiments. The experiments showed a significantly improved performance with a controller that is slightly more advanced than a standard proportional controller. The implementation of the controller allows simple tuning and good predictability of the displacement response.