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Akademický článek

Quality of Performance Aware Data Transmission for Energy-Efficient Networked Control

Autor: Takaharu Yamanaka, Takanori Iwai, Ryogo Kubo

Publikováno v: IEEE Access, Vol 9, Pp 5769-5778 (2021)

The energy consumption of network interfaces in networked control systems (NCSs) must be reduced for sustainability. The sleep mechanisms of energy-efficient network interfaces for networked motor control systems, in which controller and motor device

Externí odkaz: https://doaj.org/article/49d451b39fc3406da27335c03b511997

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Akademický článek

Dynamic Network Path Provisioning and Selection for the Detection and Mitigation of Data Tampering Attacks in Networked Control Systems

Autor: Kento Aida, Kenta Yamada, Ryosuke Hotchi, Ryogo Kubo

Publikováno v: IEEE Access, Vol 9, Pp 147430-147441 (2021)

Networked control systems can help build cost-effective and flexible industrial systems. A system that can function while being immune to cyberattacks is necessary. A method called fixed redundant path selection (FRPS) has been proposed to detect and

Externí odkaz: https://doaj.org/article/19a8eee0fa0d4edeaa33828504d36217

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Akademický článek

Simultaneous Time-Delay and Data-Loss Compensation for Networked Control Systems With Energy-Efficient Network Interfaces

Autor: Takaharu Yamanaka, Kenta Yamada, Ryosuke Hotchi, Ryogo Kubo

Publikováno v: IEEE Access, Vol 8, Pp 110082-110092 (2020)

Networked control systems (NCSs), in which controllers and actuators are connected by communication networks, have been utilized in both industrial and consumer applications. In addition, sleep-based energy-efficient network interfaces have been deve

Externí odkaz: https://doaj.org/article/e45250701b784c92aabcf227e5f2597f

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Akademický článek

Active Queue Management Supporting TCP Flows Using Disturbance Observer and Smith Predictor

Autor: Ryosuke Hotchi, Hosho Chibana, Takanori Iwai, Ryogo Kubo

Publikováno v: IEEE Access, Vol 8, Pp 173401-173413 (2020)

Active queue management (AQM) is a technique to avoid serious congestion of the transmission control protocol (TCP) flows at a router. AQM based on control theory, which utilizes congestion controllers such as proportional-derivative (PD) controller

Externí odkaz: https://doaj.org/article/18dd4afb305f4175bea2ebad96581dbb

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Akademický článek

A WDM/TDM Access Network Based on Broad T-Band Wavelength Resource Using Quantum Dot Semiconductor Devices

Autor: Nazirul Afham Idris, Naokatsu Yamamoto, Kouichi Akahane, Katsumi Yoshizawa, Yasunori Tomomatsu, Makoto Sudo, Tadashi Hajikano, Ryogo Kubo, Takuya Uesugi, Takahiro Kikuchi, Hiroyuki Tsuda

Publikováno v: IEEE Photonics Journal, Vol 8, Iss 1, Pp 1-10 (2016)

A wavelength-division multiplexing/time-division multiplexing (WDM/TDM) network exploiting the broad wavelength range of T-band (1000–1260 nm) is proposed. The network is based on different wavebands of downlink and uplink channels, with each trans

Externí odkaz: https://doaj.org/article/14e0899691ea4613877f1c525a073cce

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