Results 31 to 40 of about 184,800 (205)

Contens of CJSR 2019, Vol.14, Supp 2

open access: yesZhongguo Jianchuan Yanjiu, 2019
[1] An overview and analysis of the water-air amphibious vehicles…Liu Xiangzhi,Cui Weicheng (1)[2] Spring-supported arch model for predicting hydrostatic collapse strength of flexible riser with layer gap…Li Xiao,Jiang Xiaoli,Hopman Hans(15)[3] Ultimate ...
Chinese Journal of Ship Research
doaj  

Design of AUV controller based on improved PPO algorithm

open access: yesZhongguo Jianchuan Yanjiu
ObjectiveIn order to improve the robustness of autonomous underwater vehicle (AUV) controllers to environment modeling errors, this paper proposes a reinforcement learning control strategy that introduces contextual information and a course-learning ...
Desheng XU, Chunhui XU
doaj   +1 more source

Design of space turning motion control system of X-rudder submarine

open access: yesZhongguo Jianchuan Yanjiu, 2020
[Objectives] In order to solve the problem of space turning motion control for the X-rudder submarine,a fuzzy control system for turning of the X-rudder submarine is designed by using the fuzzy control method.[Methods] A weight fuzzy system for the X ...
XIA Ji, HUANG Bin
doaj   +1 more source

Useful knowledge, 'industrial enlightenment', and the place of India [PDF]

open access: yes, 2013
Research is now turning to the missing place of technology and ‘useful knowledge’ in the debate on the ‘great divergence’ between East and West. Parallel research in the history of science has sought the global dimensions of European knowledge.
Angerstein   +34 more
core   +1 more source

Canned Foods: Evolution, Benefits, and Health Implications of Modern Packaging

open access: yesFood Safety and Health, EarlyView.
This graphical abstract presents a concise visual overview of canned food technology, highlighting its historical evolution, key benefits, and associated health risks. It integrates timelines, icons, and summary points to clearly communicate advancements in preservation, consumer advantages, and potential safety concerns in a single schematic ...
Shaswati Rout   +3 more
wiley   +1 more source

The Kai Ba Lidai Shiji 开吧历代史记 an Autonomous History of the Chinese Community of Batavia/ Jakarta in the VOC Period [PDF]

open access: yes, 2017
This essay critically examines the Kai Ba Lidai Shiji (Annals of Batavia), a Chinese history of Batavia which was written by an anonymous Chinese author around 1794 as part of the rather large corpus of Chinese archival sources about the history of the ...
Blussé, L. (Leonard)
core   +3 more sources

Distributed three-dimensional affine formation maneuver control for multiple autonomous underwater vehicles

open access: yesZhongguo Jianchuan Yanjiu
ObjectivesTo improve the ability of autonomous underwater vehicle (AUV) formations to perform tasks in complex obstacle scenarios, a distributed three-dimensional affine formation shape maneuver control method is proposed for multi-AUV formations ...
Mingqi YAO   +4 more
doaj   +1 more source

Civilisation, settlers and wanderers: Law, politics and mobility in nineteenth century New Zealand and Australia [PDF]

open access: yes, 2011
Mobility was constitutive of the 19th century British colonial period in the Pacific. The circulation of capital and commodities, technologies of transportation and communication, travelling ideologies and systems of governance and surveillance, as well ...
Seuffert, Nan
core   +2 more sources

Unlocking the Future of Insurance: The Power of Open Data, Digital Transformation, and Human Talent

open access: yesHuman Resource Development Quarterly, EarlyView.
ABSTRACT Despite rapid technological advancement in insurance, there remains a critical gap in understanding how open data initiatives affect employee digital competencies and organizational transformation. This research investigates this relationship through a systematic review of 51 scholarly articles published between 2018 and 2024, using structured
Narongsak Sukma, Siriporn Yamnill
wiley   +1 more source

An analysis of low-frequency propeller vibration and sound radiation characteristics: The Jellyfish effect

open access: yesZhongguo Jianchuan Yanjiu, 2020
Objectives Arousing the "Jellyfish mode" of a propeller can lead to strong low-frequency, narrow band sound radiation. On this basis, the second sound radiation mechanism of the "Jellyfish mode" has been investigated.
WU Chongjian   +4 more
doaj   +1 more source

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