Results 71 to 80 of about 15,562 (227)
The Use of UML to Development of a Railway Interlocking System
Advances in Electrical and Electronic Engineering, 2003 The paper deals with problems of using the Unifield Modeling Lanfuage (UML) in developmentt of new railway interlocking and signalling systems. A simplifield example of the control circuit of a point machine is used to demonstrate an object-oriented ...
Karol Rastocny +2 more
doaj
, 2013 Computer-based control systems have grown in size, complexity, distribution and criticality. In this paper a methodology is presented to perform an abstract testing of such large control systems in an efficient way: an abstract test is specified directly
Flammini, Francesco +2 more
core
Numerical and experimental characterization of a railroad switch machine [PDF]
, 2018 This contribution deals with the numerical and experimental characterization of the structural behavior of a railroad switch machine. Railroad switch machines must meet a number of safety-related conditions such as, for instance, exhibiting the ...
Croccolo, Dario +4 more
core +3 more sources
Between and Beyond: Negotiating Belonging Within Queer Borderlands
Nations and Nationalism, EarlyView.ABSTRACT Belonging is an affective, social and biopolitical phenomenon which is relationally negotiated and which produces material and symbolic ‘borders’. Subsequently, the politics of belonging refers to the construction, maintenance and policing of the borders of belonging.
Meg Poff
wiley +1 more source
IET Intelligent Transport SystemsThe current moving block systems still depend on wayside interlocking systems and zone controllers, resulting in complex control flow and limited control efficiency.
Sehchan Oh +2 more
doaj +1 more source
Automatic Turn-back Scheme for City Railway Intervals Based on CTCS2+ATO Signaling System
Chengshi guidao jiaotong yanjiu［Objective］When there is a malfunction or temporary operation schedule adjustment under public transit operational scenarios，the train turn-back in intervals is required for city railways using the CTCS2+ATO (Chinese train control system level 2 ...
WANG Yong +3 more
doaj +1 more source
Transactions of the Institute of British Geographers, EarlyView.ABSTRACT AI assistants on spacecrafts. Netflix streamed through inter‐planetary communication networks. Colonies on Mars by 2050. While the glamorous public–private ventures into outer space curate discussions on the technical specificities of these proposed projects, this paper reorients discussions on such developments through critical frameworks of ...
Yung Au
wiley +1 more source
Evaluation of planning policies for marshalling track allocation using simulation [PDF]
, 2012 Planning the operational procedures in a railway marshalling yard is a complex problem. When a train arrives at a marshalling yard, it is uncoupled on an arrival yard and then its cars are rolled to a classification yard.
Bohlin, Markus +2 more
core +1 more source
The Changing Nature of Sino-Foreign Business Relationships, 1842-1941 [PDF]
, 2000 During the second half of the nineteenth century, foreign business enterprises relied considerably upon the service of compradors to extend their economic interests in the Chinese economy.
Chan, Kai Yiu, Cox, Howard
core +2 more sources
“You Are Safe Now”: Migrant Youth Constructions of Safety and Schooling in the U.S.
Anthropology &Education Quarterly, Volume 57, Issue 1, March 2026.ABSTRACT Drawing on multisited ethnographic research with migrant families from Brazil, El Salvador, Guatemala, and Honduras who were detained, separated, or endured prolonged transit due to US immigration policies, we articulate how ideas of “relational safety” are situated in relationships with people, place, and time. Contrasting abundant literature
Michelle J. Bellino, Gabrielle Oliveira
wiley +1 more source