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Highly Repeatable Rope Winch Design with Multiple Windings and Differential Gear Mechanism
2020
IEEE Access
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This paper presents a rope winch with high position repeatability using a differential gear mechanism. ...
INDEX TERMS Rope winch, differential gear mechanism, position repeatability, capstan equation, rope tension modeling. ...
Therefore, when descending using the winch of a double winding rope with a differential gear mechanism, the tension distribution of the pulleys has the shape shown in Fig. 15 . ...
doi:10.1109/access.2020.2992674
fatcat:k33rr6ckhzervollkvqr5hssqu
Review of the state of the art of mooring and anchoring designs, technical challenges and identification of relevant DLCs
[article]
2020
Zenodo
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This deliverable deals with defining current mooring and anchoring state of the art for floating wind projects currently installed or in construction phase. ...
Aim is to ensure specifications and requirements to be developed within mooring ...
Polyester rope is not only highly competitive in cost, but also offers longer fatigue life than wire rope. ...
doi:10.5281/zenodo.4056095
fatcat:wv3gebz5jfhabfkphouc44wmra
Electric Propulsion of Ships
1921
Transactions of the American Institute of Electrical Engineers
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The deck winches largely used in this country, those with series motor and small shunt winding with spur reduction gear and manual control are simple and efficient and have been developed to a high degree ...
The subject of rope speeds in handling cargo with deck winches is a very important one, on which there is a great divergence of opinion, there being but little reliable data and records available. ...
In larger ships with deeper holds it may be found desirable to somewhat increase the rope speed and fit a larger motor. The horse power rating of a winch motor is not definite. ...
doi:10.1109/t-aiee.1921.5060749
fatcat:vqjdc5dbr5epjbyzqineoikzhu
Discussion on "fields of motor application" (Rushmore), and "electricity in grain elevators" (Stafford), Deer Park, Md., June 29, 1915. (see proceedings, for June, 1915)
1915
Proceedings of the American Institute of Electrical Engineers
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winch with crank throttle, foot brake and re verse mechanism. ...
Motoroperated machines for the handling of bulk freight are: Various forms of derricks operated by multiple drum and often multiple motor winches. ...
auxiliary work such as checking, weighing and in specting, that interfere with uniform results. ...
doi:10.1109/paiee.1915.6590689
fatcat:cxv7up4t6fglnpbjffp3jxtqui
Electricity in Grain Elevators
1915
Transactions of the American Institute of Electrical Engineers
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With the use of steam power this is impossible. ...
In addition it gives the details of different plants as regards construction and operation and the method of receiving and shipping grain. ...
winch with crank throttle, foot brake and reverse mechanism. ...
doi:10.1109/t-aiee.1915.4765257
fatcat:yjd77rcqzbh3pjph37nvngy43y
LiftWEC Deliverable D7.1: Operational Design Considerations
2020
Zenodo
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The information herein was by and large sourced from telephone interviews of a number of developers, with experience in areas such as offshore wind, wave, tidal and oil & gas. ...
This report summarises best practice guidelines and design considerations, for offshore operations. ...
The oil and gas industry insists on redundancy in mooring design whereas offshore wind does not. Consequently in floating wind you have bigger lines with a factor of safety design in. ...
doi:10.5281/zenodo.5645436
fatcat:cqyxvri4qjhevoy6wxc6kouauu
Power conversion mechanisms for wave energy
2002
Journal of Engineering for the Maritime Environment (Part M)
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This leads on to a description of a new type of hydraulic machine with digital control which has been specially designed for high efficiency and flexible control of multiple erratic sources. ...
wind-tunnel with recirculating energy recovery in which it could be tested. ...
Rotating inputs, either directly or via rope and winch, will resolve range problems but largediameter winches and multiple cables will be needed to reduce bending fatigue. 10. ...
doi:10.1243/147509002320382103
fatcat:vp7d75b7erbedpoqo73c5d2o2i
Power conversion mechanisms for wave energy
2002
Journal of Engineering for the Maritime Environment (Part M)
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This leads on to a description of a new type of hydraulic machine with digital control which has been specially designed for high efficiency and flexible control of multiple erratic sources. ...
wind-tunnel with recirculating energy recovery in which it could be tested. ...
Rotating inputs, either directly or via rope and winch, will resolve range problems but largediameter winches and multiple cables will be needed to reduce bending fatigue. 10. ...
doi:10.1243/147509002320382112
fatcat:gsgl7np6kjbfdfj5eerdfhgqqe
Volcanological applications of unoccupied aircraft systems (UAS): Developments, strategies, and future challenges
2020
Volcanica
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In the future, UAS will become increasingly capable of flying longer and more complex missions, more autonomously and with more sophisticated sensors, and are likely to become key components of broader ...
sensor networks for monitoring and research. ...
The paper was substantially improved following constructive and insightful reviews from Peter Kelly and two anonymous reviewers, to whom we are very grateful. ...
doi:10.30909/vol.03.01.67114
fatcat:bnpovf657jaetp4e7v6bejp3y4
Sixth aerospace mechanisms symposium
1971
Journal of Mechanisms
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Distribution Statement Spacecraft Mechanisms Spacecraft components Spacecraft devices Mechanism design Unclassified -Unlimited . ...
This exception was a potentiometer, which failed for reasons not associated with either design or selection of materials. ...
Barnes (packaging), and G. Weed (gimbal assembly design). The CMG Assembly was developed under contract to the Martin Marietta Corporation for the National Aeronautics and Space Administration. ...
doi:10.1016/0022-2569(71)90025-5
fatcat:iznya3slufeltdcyaertndg6au
The quest for seafloor macrolitter: a critical review of background knowledge, current methods and future prospects
2020
Environmental Research Letters
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It provides background knowledge and conveys the views and thoughts of scientific experts on seafloor marine litter offering a review of monitoring and ocean modelling techniques. ...
Knowledge gaps that need to be tackled, data needs for modelling, and data comparability and harmonisation are also discussed. ...
/why-choose-dyneema-rope-vs-s teel-wire-rope-for-heavy-duty-rigging/) used in fishing gear and other marine applications, are suspected to degrade very slowly where oxygen is scarce and light absent, such ...
doi:10.1088/1748-9326/abc6d4
fatcat:dhwdzirlwzb67mzm7qexfsq4uu
100 Years of Progress in Ocean Observing Systems
2019
Meteorological Monographs
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Understanding was emerging of the specific mechanisms for tropical Pacific surface temperatures to respond to varying trade winds (e.g., Wyrtki 1975b) and how tropical sea surface 3.2 ...
The Mid-Ocean Dynamics Experiment (MODE) addressed mesoscale "eddies" and their interaction with larger-scale currents using new ocean modeling and experiment design techniques and a suite of developing ...
Russ Davis, Dean Roemmich, Dan Rudnick, Robert Weller, and Michael McPhaden acknowledge the NOAA Climate Program Ocean Observing and Monitoring program for support of this effort. ...
doi:10.1175/amsmonographs-d-18-0014.1
fatcat:vo2ewgtwrvhwfgfl3jxdiqyt24
Marine debris survey manual
1993
Marine Pollution Bulletin
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As with net variability, acoustic and mechanical devices are available that detect contact of the footrope with the bottom during the tow. ...
., fishing gear, ropes, bottles), or a combination of the two. The major categories have typically been fishing gear, plastic, styrofoam, glass, wood, metal, paper, and miscellaneous. ...
doi:10.1016/0025-326x(93)90583-6
fatcat:tacwi6yfwjhfbm2znxyypp2pke
The Multi-Purpose Airborne Sensor Carrier MASC-3 for Wind and Turbulence Measurements in the Atmospheric Boundary Layer
2019
Sensors
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This study presents the new mark of the Multi-Purpose Airborne Sensor Carrier (MASC-3) for wind and turbulence measurements and describes the subsystems designed to improve the wind measurement, to gain ...
MASC-3 performs valuable measurements of stable boundary layers with high temporal resolution and supplements the measurements of meteorological towers and sodar systems. ...
The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results. ...
doi:10.3390/s19102292
fatcat:kzt7lqhornhztlfwshnwdnbutu
Modern Flour-Mill Machinery
1913
Proceedings of the Institution of Mechanical Engineers
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The line of elevators is seen down the centre with the two plants on either side. No. 1 floor contains the line shafts driving the roller-mills, and the elevator boots. ...
The modern tendency has been to locate mills on the waterside a t the principal ports and to increase the capacity of the single plant, in each case with a view to economy in cost of production. ...
This would hardly be permissible with gear-wheel differential. ...
doi:10.1243/pime_proc_1913_085_017_02
fatcat:ac6gtih3mjexvequstzd6lkpli
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