Technological leap of signal transfer system: CONTACTLESS

Astier, Remy; Capitaine, Thierry; Dubois, Jérôme; Fortin, Jérôme

doi:10.1109/iecon.2012.6388940

Cited by 3 publications

(6 citation statements)

References 11 publications

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“…The purpose of DST is to solve locks L1, L2, L3, L4 ( Figure 5) presented in previous paper [1]. The tool must be able to take into account all constraints in order to response to this problematic of wireless transfer:…”

Section: Aimmentioning

confidence: 99%

“…We choose to work with a wireless technology because today, wireless technologies are everywhere and multiplexing of wire data on a wireless channel is a major issue. This study is based on previous work [1] on wireless data transmission from 1*CAN Bus High Speed and 1*serial communication RS232. But due to the number n of possible protocol (RS232/422/485, CAN Bus, Ethernet) and their parameters (start/stop bit, data field, data rate, ID, type of frame), it is difficult to make 1 embedded system which integrates at all issues ( Figure 2) which protocols priority?…”

Section: Introductionmentioning

confidence: 99%

“…Each data transmit has a header. This study builds on preliminary work [1] which has enabled us to identify 4 locks ( Figure 5):…”

Section: Introductionmentioning

confidence: 99%

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2013

IJESA

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This article is based on preliminary work on the OSI model management layers to optimized industrial wired data transfer on low data rate wireless technology. Our previous contribution deal with the development of a demonstrator providing CAN bus transfer frames (1Mbps) on a low rate wireless channel provided by Zigbee technology. In order to be compatible with all the other industrial protocols, we describe in this paper our contribution to design an innovative Wireless Device (WD) and a software tool, which will aim to determine the best architecture (hardware/software) and wireless technology to be used taking in account of the wired protocol requirements. To validate the proper functioning of this WD, we will develop an experimental platform to test different strategies provided by our software tool. We can consequently prove which is the best configuration (hardware/software) compared to the others by the inclusion (inputs) of the required parameters of the wired protocol (load, binary rate, acknowledge timeout) and the analysis of the WD architecture characteristics proposed (outputs) as the delay introduced by system, buffer size needed, CPU speed, power consumption, meeting the input requirement. It will be important to know whether gain comes from a hardware strategy with hardware accelerator e.g or a software strategy with a more performing scheduler. At the end, our experimental platform will be a tool for characterizing different WD.

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Section: Aimmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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2013

IJESA

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“…Reliable, real-time connectivity is the backbone of industrial automation. Data transmission over rotating parts is required in a broad range of applications such as wind turbines [1], industrial communications [2,3], surveillance radars [3][4][5][6][7], military [2,8], aerospace [9] and many more. Table 1 gives an overview of the most important transmission principles used in rotary communication links.…”

Section: Introductionmentioning

confidence: 99%

“…Slip rings were widespread in the past. However, due to mechanical contact they suffer wear and tear which limits their durability [1,2,5,6,[9][10][11] and thus increases maintenance costs. Precious brush materials and lubricants are used to extend lifetime [12] at the expense of increased system complexity and higher costs.…”

Section: Introductionmentioning

confidence: 99%

Monolitic Hybrid Transmitter-Receiver Lens for Rotary On-Axis Communications

et al. 2020

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High-speed rotary communication links exhibit high complexity and require challenging assembly tolerances. This article investigates the use of optical wireless communications (OWC) for on-axis rotary communication scenarios. First, OWC is compared with other state-of-the-art technologies. Different realization approaches for bidirectional, full-duplex links are discussed. For the most promising approach, a monolithic hybrid transmitter-receiver lens is designed by ray mapping methodology. Ray tracing simulations are used to study the alignment-depended receiver power level and to determine the effect of optical crosstalk. Over a distance of 12.5 m m , the lens achieves an optical power level at the receiver of − 16.2 dBm to − 8.7 dBm even for misalignments up to 3 m m .

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Real-Time Wireless Pressure Sensing System for Stall and Loading Measurements in the Rotating Frame of Reference for a Low Speed Compressor

2022

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In this paper the fabrication and characterization of a novel wireless pressure sensor system that can monitor and report real-time changes in pressure on the rotor blade of a low speed axial compressor is demonstrated. The pressure sensor was positioned on the second-stage rotor at approximately the mid-span location on the pressure surface of the blade near the leading edge and hard wired to a circuit box located on the center line of the compressor drum. The output of the pressure sensor is converted from a voltage to a frequency and transmitted wirelessly via circularly polarized antenna to a stationary antenna that was approximately 1 meter away, mounted at the centerline location on the inlet cart. The output signal was recorded on a spectrum analyzer with a LabVIEW program for data acquisition. Compressor rotation was ramped from 0 RPM up to its design speed of 1000 RPM and the airflow was decreased by closure of downstream throttle valve until the compressor stalled. The measurements from the wireless pressure system show increasing pressure as compressor flow rate is decreased, until a precipitous drop in pressure occurs which signals that the compressor has stalled. Index Terms-Wireless pressure sensor system, pressure sensor, low speed axial compressor, cylindrical antenna. I. INTRODUCTIONG AS turbine engines are widely used in power generation and propulsion applications, and the industry is continually seeking to increase power density. End users require safety, robustness, long machine-on times and component lifetimes, and flexible duty cycles, in addition to fuel efficiency. In its Aeronautics Strategic Implementation Plan, NASA has defined goals to simultaneously reduce fuel consumption, emissions, and noise [1] for future generations of large commercial air transports. For far-term commercial air transport, fuel/energy consumption reductions of 60-80% relative to a 2005 best-in-class airplane are targeted. To meet this goal, future propulsion systems using turbofan engines are Manuscript

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Technological leap of signal transfer system: CONTACTLESS

Cited by 3 publications

References 11 publications

Untitled

Untitled

Monolitic Hybrid Transmitter-Receiver Lens for Rotary On-Axis Communications

Real-Time Wireless Pressure Sensing System for Stall and Loading Measurements in the Rotating Frame of Reference for a Low Speed Compressor

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