Distributed management for software maintenance in a wide-area railway system

Kitahara, Fumio; Katano, H.; Ono, T.; Kakumoto, Y.; Kikuchi, K.; Shinomoto, M.

doi:10.1109/isads.1997.590635

Cited by 16 publications

(2 citation statements)

References 9 publications

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“…An equivalent connection test can be executed between the online system and test system by positively utilizing the heterogeneous data of the test data and online data. We are constructing a high-assurance, large-scale railway transport operation control system in which heterogeneous functions coexist [6][7][8]. We have expanded the conventional ADS architecture and realized phased-in system construction and online system expansion [5], [10], [14][15][16][17].…”

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confidence: 99%

An assurance method for functional system expansion of Tokyo metropolitan railway system

Kamijo

Kawasaki

Arisawa

et al. 2009

2009 International Symposium on Autonomous Decentralized Systems

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----Autonomous decentralized system (ADS) architecture has been used mainly to realize high assurance control system. However, ADS architecture proposed previously is too simple to apply large-scale complicated system. In this paper, we clarify that large-scale ADS is represented by hierarchical three layers structure and many ADS sub-systems are connected by gateways and agents using railway transport operation control system (ATOS) as an example. ATOS is a system which has been growing and changing continuously. We show that both gateway and agent are effective for system assurance in functional system expansion for large-scale ADS.

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confidence: 99%

An assurance method for functional system expansion of Tokyo metropolitan railway system

Kamijo

Kawasaki

Arisawa

et al. 2009

2009 International Symposium on Autonomous Decentralized Systems

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“…The IEEE sponsored International Symposium on Autonomous Decentralized Systems (ISADS) was founded in 1993 and the 7 th ISADS will be held in Chengdu, China, 2005. In this paper, the ADS concept and technologies are discussed and their applications to the railway ground-control system: ATOS (Autonomous Decentralized Transport Operation Control System) [11][12] and the train on-board control system: D-ATC (Digital-Automatic Train Control System) [13] are shown to be effectively operated.…”

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confidence: 99%

Trend of autonomous decentralized systems

Möri

Proceedings. 10th IEEE International Workshop on Future Trends of Distributed Computing Systems, 2004. FTDCS 2004.

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The markets and the technologies have been rapidly changing and advanced. The users requirements have been diversified and unpredictable.Under these evolving situations, Autonomous Decentralized System (ADS) is proposed in 1977 for resolving the on-line property to achieve the step-by-step expansion, maintenance / test and fault-propagation prevention without stopping the total system. The research and development has been accelerated in the world not only for the control systems but also for the wide-area information systems. In China, the ADS activities are especially promoted in the railway systems. Here as examples, the railway ground-control system and the train on-board-control system, where each of railway stations and trains has its autonomy to regulate the trains through coordinating mutually, are shown to be effectively operated.

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