Bluetooth synchronous connection oriented link usage in networked control systems

Title
Bluetooth synchronous connection oriented link usage in networked control systems
Author(s)
박정일울루구벡
Keywords
Control performance; Latency estimation; Low latency; Ncs; Packet scheduling; Sco; Serial port; Smith predictors; Synchronous connection oriented links; DC motors; Networked control systems; Bluetooth
Issue Date
201208
Citation
Journal of Institute of Control, Robotics and Systems, v.18, no.8, pp.731 - 737
Abstract
In this paper the usage of Bluetooth in networked control systems is described. ACL links and commonly used serial port profile built on top of ACL links are analyzed and their problems such as unpredictable latency are discovered. SCO link packet scheduling, latency estimation and setup procedure are examined. SCO link is suggested as proper link for NCS, due to its low latency and low variance. Smith predictor use for latency compensation is described and its impact on control performance is estimated. A number of experiments on DC motor position control are performed and control performance of system utilizing SCO link with and without Smith predictor is proved to be higher than control performance of system utilizing ACL link. ? ICROS 2012.
URI
http://hdl.handle.net/YU.REPOSITORY/27470http://dx.doi.org/10.5302/J.ICROS.2012.18.8.731
ISSN
1976-5622
Appears in Collections:
공과대학 > 전자공학과 > Articles
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