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  • Engineering  (2)
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  • 1
    Online Resource
    Online Resource
    ParSec: Ein innovatives Funksystem für die Fertigungsautomation
    Walter de Gruyter GmbH ; 2019
    In:  at - Automatisierungstechnik Vol. 67, No. 1 ( 2019-01-28), p. 29-41
    Details
    In: at - Automatisierungstechnik, Walter de Gruyter GmbH, Vol. 67, No. 1 ( 2019-01-28), p. 29-41
    Abstract: Im Kontext von Industrie 4.0 werden verstärkt drahtlose Kommunikationssysteme in industrielle Anwendungen integriert. Die Anforderungen der Fertigungsautomation, welche besonders streng hinsichtlich Zuverlässigkeit und Latenz sind, werden bisher nur teilweise durch spezifische kabellose Systeme wie WirelessHART oder WSAN erfüllt. Damit Funksysteme auch in kritischen Anwendungen der Fertigungsautomation eingesetzt werden können, verfolgt das ParSec-Projekt den vielversprechenden Parallel Sequence Spread Spectrum (PSSS)-Ansatz. Dieser Artikel stellt das ParSec-System basierend auf PSSS vor. Das Funktionsprinzip des PSSS-Ansatzes wird erläutert und die Vorteile hinsichtlich eines flexiblen Kommunikationsprotokolls werden beschrieben. Die Integration des ParSec-Funksystems in ein bestehendes Industrial Ethernet-System wird diskutiert.
    Type of Medium: Online Resource
    ISSN: 2196-677X , 0178-2312
    URL: Article
    DOI: 10.1515/auto-2018-0056
    RVK:
    ZG 1100
    RVK:
    SA 7620
    RVK:
    SQ 1705
    Language: English
    Publisher: Walter de Gruyter GmbH
    Publication Date: 2019
    detail.hit.zdb_id: 629186-7
    detail.hit.zdb_id: 2027287-X
    SSG: 15,3
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  • 2
    Online Resource
    Online Resource
    Industrial WSN Based on IR-UWB and a Low-Latency MAC Protocol
    Walter de Gruyter GmbH ; 2016
    In:  Frequenz Vol. 70, No. 7-8 ( 2016-01-1)
    Details
    In: Frequenz, Walter de Gruyter GmbH, Vol. 70, No. 7-8 ( 2016-01-1)
    Abstract: Wireless sensor networks for industrial communication require high reliability and low latency. As current wireless sensor networks do not entirely meet these requirements, novel system approaches need to be developed. Since ultra wideband communication systems seem to be a promising approach, this paper evaluates the performance of the IEEE 802.15.4 impulse-radio ultra-wideband physical layer and the IEEE 802.15.4 Low Latency Deterministic Network (LLDN) MAC for industrial applications. Novel approaches and system adaptions are proposed to meet the application requirements. In this regard, a synchronization approach based on circular average magnitude difference functions (CAMDF) and on a clean template (CT) is presented for the correlation receiver. An adapted MAC protocol titled aggregated low latency (ALL) MAC is proposed to significantly reduce the resulting latency. Based on the system proposals, a hardware prototype has been developed, which proves the feasibility of the system and visualizes the real-time performance of the MAC protocol.
    Type of Medium: Online Resource
    ISSN: 0016-1136 , 2191-6349
    URL: Article
    DOI: 10.1515/freq-2015-0166
    RVK:
    ZG 1100
    Language: Unknown
    Publisher: Walter de Gruyter GmbH
    Publication Date: 2016
    detail.hit.zdb_id: 2423831-4
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