The power of LXI interumentation &amp;#x2014; use cases and performances

Proft, C.

doi:10.1109/autest.2007.4374257

Cited by 6 publications

(2 citation statements)

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“…Since the founding of the LXI Consortium (Thorpe, 2011) in 2004, the development of LXI Instruments has caught more and more attention in test field. Currently, variety of universal and specific LXI Instruments, which have been widely applied to different fields Proft and Lean, 2008;Qin and Qiu, 2010;Proft, 2007), have spring up and it can be up to 300 varieties. Besides, the development technique of LXI Instrument is tending to be mature, and the LXI Device Specification has also upgraded to Revision 1.4 (LXI, 2011).…”

Section: Introductionmentioning

confidence: 99%

Research on Synchronization and Triggering of LXI Bus

Min

Xiaohou

2013

AGJSR

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With the development of the LXI technology, synchronization and triggering of LXI instruments has become hot topics in the research world. This paper analyzes five modes of LXI triggering. Combined with Trigger Response Times and Trigger Output Response Times mentioned in LXI Device Specification (Revision1.4), it elaborates the significance of LXI instruments synchronization via LXI Class A and Class B instrument synchronization accuracy test. Besides, taking LXI A logic analyzer for example, it introduces the implementation of LXI trigger interface in detail. According to the result of the LXI instrument clock synchronization experiment, the instruments can synchronize to each other with good precision.

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Section: Introductionmentioning

confidence: 99%

Research on Synchronization and Triggering of LXI Bus

Min

Xiaohou

2013

AGJSR

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“…• Data fusion of the measures obtained using distributed data acquisition system and sensors (Proft, 2007). …”

Section: Introductionmentioning

confidence: 99%

Clock Synchronization of Distributed, Real-Time, Industrial Data Acquisition Systems

Flammini¹,

Ferrari²

2010

Data Acquisition

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Inexpensive SDR-based longwave radio controlled clock for time dissemination in industrial wireless sensor networks

Depari¹,

Flammini²,

Lavarini³

et al. 2015

2015 IEEE International Conference on Automation Science and Engineering (CASE)

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LF and VLF (very low frequency) wireless links have long been used to perform time and frequency dissemination. Indeed, several standard time services exploiting (V)LF signaling are continuously transmitting in many locations around the world, despite they face the competition from the Global Positioning System (GPS), which offers an higher clock synchronization accuracy. In fact, (V)LF signaling ensures an overall accuracy adequate for most of civil and industrial applications, offering indoor reception capability at lower cost and lower power than GPS systems. This work describes a full digital implementation, exploiting the Software Defined Radio paradigm, of a LF receiver, capable to simultaneously perform both the amplitude and phase demodulation of the incoming time reference signal, and of a servo-clock for the time synchronization of wireless sensor network nodes. Despite the DCF77 standard has been considered for the real world implementation, the SDR approach allows to easily migrate to other similar standards worldwide available. The increased system complexity is mitigated by the improved flexibility; in addition, the computational core of the SDR can be sized to be shared among several wireless technologies simultaneously handled. The realworld prototype is implemented by means of a single inexpensive digital signal controller (a member of the dsPIC33 family from Microchip), requiring very few external components. Several experiments have been carried out in a controlled environment, confirming an overall sub-millisecond time synchronization accuracy.

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The power of LXI interumentation — use cases and performances

Cited by 6 publications

References 1 publication

Research on Synchronization and Triggering of LXI Bus

Research on Synchronization and Triggering of LXI Bus

Clock Synchronization of Distributed, Real-Time, Industrial Data Acquisition Systems

Inexpensive SDR-based longwave radio controlled clock for time dissemination in industrial wireless sensor networks

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