IEEE 1588-Based Synchronization System for a Displacement Sensor Network

Ferrari, Paolo; Flammini, A.; Marioli, D.; Taroni, A.

doi:10.1109/tim.2007.909471

Cited by 54 publications

(4 citation statements)

References 8 publications

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“…Time synchronization was a great barrier that hindered the wireless technology to be applied in our project, once we need to get together many sensors' data, and there was no time stamp in the data, they were useless, we couldn't analysis the structure exactly [4] . Due to the crystal frequency deviation, each CC2530's timer is different.…”

Section: Time Synchronizationmentioning

confidence: 99%

“…Pre-synchronization Before we start the AD collection, we must complete the collection of the coordinator's time. So we made the coordinator's timer count, then coordinator send the command of pre-synchronization every 5 seconds [5] .The process of sending command would circulate 20 times. We put the value of timer's counter which recorded the time between adjacent commands in the command.…”

Section: Time Synchronizationmentioning

confidence: 99%

See 1 more Smart Citation

The Design of Strain Acquisition System Based on the Wireless Sensor Network

Wang

Dai

Sun

et al. 2014

AMM

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The traditional strain acquisition system transmits the signal by wire, but the signal attenuation would happen when the wire is long, and the line maintenance would cost a lot of manpower and money. This paper has designed a high speed strain acquisition which could transmit data through the wireless sensor network, this solution we provided has overcame the signal attenuation, and comparing the cost of the systems is lower. It is proved by the experiment that this solution can ensure the signal’s accuracy and complete the normal strain acquisition.

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Section: Time Synchronizationmentioning

confidence: 99%

Section: Time Synchronizationmentioning

confidence: 99%

The Design of Strain Acquisition System Based on the Wireless Sensor Network

Wang

Dai

Sun

et al. 2014

AMM

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show abstract

“…Whereas, these control decisions are premised on system clock synchronization. For instance, control command depends on synchronous monitoring data of each node in various networks [1][2][3]. Therefore, clock synchronization plays an important role in these systems [4][5].…”

Section: Introductionmentioning

confidence: 99%

Tests of IEEE 1588-based synchronization system in substation

Liu

Zhang

et al. 2015

Teh. vjesn.

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Original scientific paper As a synchronization method, IEEE1588 standard has been applied in substation, it should be tested and verified ensure synchronization accuracy and node interoperability. A comprehensive testing method for the IEEE1588 is proposed in this paper. Furthermore, IEEE1588 clock testing platform is built to support the proposed testing method. Based on the analysis of the clock synchronization error and the performance testing principle method, the accuracy and stability of master clock and slave clock were evaluated. Secondly, the conformance testing to adopt performance response was achieved by designed specific case, based on the above, and then to analyse the conformance implementation details. According to testing requirements, test bed designed. Finally, the experiment based on substation devices was carried out using the IEEE1588 clock testing platform. The feasibility of the proposed methods was further verified with the testing results. Keywords: conformance testing; device under test (DUT); IEEE 1588; performance testing; precision time synchronization; substation Testovi sinkronizacijskog sustava u trafostanici utemeljeni na IEEE 1588Izvorni znanstveni članak Kao metoda sinkronizacije, IEEE1588 norma je primijenjena u trafostanici, to bi trebalo osigurati ispitanu i provjerenu sinkronizacijku točnost i čvora interoperabilnosti. Metoda sveobuhvatnog testiranja za IEEE1588 se predlaže u ovom radu. Nadalje, IEEE1588 platforma testiranja ure izgrađena je kao podrška predložene metode ispitivanja. Na temelju analize sinkronizacije pogreške ure i metode ispitivanja načela značajke, ocjenjene su točnost i stabilnost glavne ure i pomoćne ure. Drugo, ispitivanje usklađeno s normom za usvajanje odziva značajke je postignuto dizajniranjem konkretnog slučaju, na osnovi navedenog, a potom analizirati pojedinosti provedbe sukladnosti. Prema zahtjevima ispitivanja, dizajnirana je testna osnovna ploča. Konačno, pokus utemeljen na uređajima transfostanice proveden je uporabom IEEE1588 platforme testiranja ure. Izvedivost predloženih metoda dodatno je potvrđena s rezultatima testiranja.

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“…Additionally, contemporary applications demand both large-scale, possibly heterogeneous networks and high accuracy. Implementations of distributed measurement and control [10] have to be evaluated (simulated) regarding their achievable performance [11] in order to show the feasibility of a networked control system as well as to optimise control algorithms. As analytical bounds may become too conservative, simulation-based behavioural investigations can come closer to the actual performance of a clock synchronization scheme.…”

Section: Introductionmentioning

confidence: 99%

Achieving a Realistic Notion of Time in Discrete Event Simulation

Gaderer

Nagy

Loschmidt

et al. 2011

International Journal of Distributed Sensor Networks

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Distributed sensor systems require clock synchronization between all sensor nodes to provide consistent view of the overall system. Owing the growing size of networks, the evaluation of the synchronization performance becomes difficult, if done by means of experiments. Simulation is another method to tackle this issue. Realistic simulation of synchronization schemes requires accurate modelling of oscillators which are the driving timers generating various events. One way to characterise oscillators is to utilize the Allan variance, which can be used to generate a phenomenological model based on power spectral density. Since discrete event simulation (DES) tools are widely used to model network protocols, models which combine accuracy and performance are needed. This paper presents a model that was optimised for use in DES. To verify that the simulation results sufficiently match measurements, an implementation in OMNeT++ was done. The results show that the behaviour of distributed sensor systems, resulting from imperfect timebases, can be accurately simulated.

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IEEE 1588-Based Synchronization System for a Displacement Sensor Network

Cited by 54 publications

References 8 publications

The Design of Strain Acquisition System Based on the Wireless Sensor Network

The Design of Strain Acquisition System Based on the Wireless Sensor Network

Tests of IEEE 1588-based synchronization system in substation

Achieving a Realistic Notion of Time in Discrete Event Simulation

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