Application of Wireless Network Control to Course-Keeping for Ships

Rifan, Jiang; Zhang, Xianku

doi:10.1109/access.2020.2973464

Cited by 11 publications

(7 citation statements)

References 11 publications

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“…Conversely, training requirements are adjusted according to the training plan. Additionally, when the training load needs to be kept at the nth level [8,9], the speci ed ranges of the training parameters related to the positional and velocity properties are obtained according to the rule base and the membership function.…”

Section: Training Load Target Monitoring Methodsmentioning

confidence: 99%

Application of Wireless Network Multisensor Fusion Technology in Sports Training

Tang

2022

Computational Intelligence and Neuroscience

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Fencing is an advantageous event for a country to participate in the Asian Games. The discussion and research on the means and methods of special fencing ability training are of great significance to the further development of fencing in the country. Based on the multisensor information fusion technology, this paper develops a special fencing training system with digital monitoring and intelligent decision-making. The multisensor information fusion technology scheme, which is reported in this paper, is used to perform decision-level fusion based on fuzzy inference technology whereas Kalman filter is used to optimize the original information. On the basis of the overall structure, mechanical mechanism, and performance analysis, the mechanical prototype of the fencing special ability training system was developed whereas design, processing, and debugging of the prototype were completed. Combined with the mechanical prototype design of various index parameter display structures based on multisensor information fusion technology, the digital processing of the fencing special ability training system is realized. The force, speed, position, and other characteristic quantities in the fencing special training system are collected by the pressure and rotational speed sensors respectively whereas USB communication technology is used for data transmission. On the basis of in-depth analysis of the characteristics of the special training system for fencing, an abstract system of pedaling power based on the center of gravity and trend models is designed where the Kalman filter is reserved for the special application fields. Moreover, the core role of Kalman filter is carried out when original data information is needed to be obtained. By constructing a force distribution pressure center trajectory measurement model, a training load and training parameter measurement model, and a training level evaluation model, the data-level raw information is specially processed to generate more training parameters that meet specific characteristics, making the multisensor information fusion technology more efficient. It is well integrated into the fencing special ability training system. By applying fuzzy reasoning technology, the special training parameters and the relationship between these parameters are transformed into fuzzy sets and fuzzy rules, and the perceptual knowledge of sports training experience is transformed into fuzzy rules. With this decision-level data fusion method, the fencing special training system has certain intelligent functions.

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Section: Training Load Target Monitoring Methodsmentioning

confidence: 99%

Application of Wireless Network Multisensor Fusion Technology in Sports Training

Tang

2022

Computational Intelligence and Neuroscience

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“…The modified IEEE 802. 16 QoS mechanisms facilitate the efficient support of a high number of shipboard terminals within the mutual communication range.…”

Section: B Tri-media Telematic Oceanographic Network (Triton)mentioning

confidence: 99%

“…The first one is that in the case of the majority of maritime IT services (especially safety or navigation-related), reliability is much more critical than in most of the on-shore deployments. In particular, it is not acceptable for maritime navigation or safety signalling systems to show intermittent, momentary failures (relatively frequent and tentatively accepted in popular, on-shore consumer systems) [16].…”

Section: Introductionmentioning

confidence: 99%

Non-Satellite Broadband Maritime Communications for e-Navigation Services

et al. 2021

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The development of broadband network access technologies available to users on land has triggered a rapid expansion of a diverse range of services provided by terrestrial networks. However, due to limitations of digital communication technologies in the off-shore area, the maritime ICT systems evolution so far has not followed that trend. Despite the e-navigation initiative defining the set of Maritime Services, the progress in the maritime ICT systems evolution has been slow. Only a few systems, including the VHF Data Exchange System (VDES), or the TRI-Media Telematic Oceanographic Network (TRITON) have been proposed to extend the basic set of services offered by classical radio-communication solutions. However, all those systems have significant limitations. The purpose of this paper is to introduce the netBaltic system designed as a fully heterogeneous system for modern maritime communications. Its unique feature is the capability to transparently use different communication technologies to efficiently support maritime ICT services, as well as openness for the incorporation of future communication technologies. The paper presents an overview of VDES, TRITON and netBaltic systems and analysis showing their expected strengths and weaknesses. The systems are then compared in simulated environments, illustrating real-world usage scenarios based on real maritime traffic information and performance measurements obtained during off-shore measurement campaigns. Results indicate that netBaltic seems to be the most versatile one and is capable of offering access to all services defined by International Maritime Organization, due to its ability to use different communication technologies simultaneously and functionality offered by its Delay Tolerant Networking component.

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“…Park et al [20] proposed a robust multipath selection algorithm based on the round-trip time (RTT) for a CPS. Furthermore, various QoS-based network control and data transmission schemes for NCSs have been discussed [21]- [23]. At the application level, the QoS information has been also utilized to compensate for the effects of time delays in NCSs [24]- [26].…”

Section: Introductionmentioning

confidence: 99%

Communication Quality Estimation Observer: An Approach for Integrated Communication Quality Estimation and Control for Digital-Twin-Assisted Cyber-Physical Systems

Kubo

2022

IEICE Trans. Commun.

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Cyber-physical systems (CPSs) assisted by digital twins (DTs) integrate sensing-actuation loops over communication networks in various infrastructure services and applications. This study overviews the concept, methodology, and applications of the integrated communication quality estimation and control for the DT-assisted CPSs from both communications and control perspectives. The DT-assisted CPSs can be considered as networked control systems (NCSs) with virtual dynamic models of physical entities. A communication quality estimation observer (CQEO), which is an extended version of the communication disturbance observer (CDOB) utilized for time-delay compensation in NCSs, is proposed to estimate the integrated effects of the quality of services (QoS) and cyberattacks on the NCS applications. A path diversity technique with the CQEO is also proposed to achieve reliable NCSs. The proposed technique is applied to two kinds of NCSs: remote motor control and haptic communication systems. Moreover, results of the simulation on a haptic communication system show the effectiveness of the proposed approach. In the end, future research directions of the CQEO-based scheme are presented.

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Application of Wireless Network Control to Course-Keeping for Ships

Cited by 11 publications

References 11 publications

Application of Wireless Network Multisensor Fusion Technology in Sports Training

Application of Wireless Network Multisensor Fusion Technology in Sports Training

Non-Satellite Broadband Maritime Communications for e-Navigation Services

Communication Quality Estimation Observer: An Approach for Integrated Communication Quality Estimation and Control for Digital-Twin-Assisted Cyber-Physical Systems

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