Cloud-based Networked Visual Servo Control

Publication: Research - peer-reviewJournal article – Annual report year: 2011



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The performance of vision-based control systems, in particular of highly dynamic vision-based motion control systems, is often limited by the low sampling rate of the visual feedback caused by the long image processing time. In order to overcome this problem, the networked visual servo control, which integrates networked computational resources for cloud image processing, is considered in this article. The main contributions of this article are i) a real-time transport protocol for transmitting large volume image data on a cloud computing platform, which enables high sampling rate visual feedback, ii) a stabilizing control law for the networked visual servo control system with time-varying feedback time delay, and iii) a sending rate scheduling strategy aiming at reducing the communication network load. The performance of the networked visual servo control system with sending rate scheduling is validated in an object tracking scenario on a 14 degree-of-freedom dual-arm robot. Experimental results show the superior performance of our approach. In particular the communication network load is substantially reduced by means of the scheduling strategy without performance degradation.
Original languageEnglish
JournalI E E E Transactions on Industrial Electronics
Issue number2
Pages (from-to)554 - 566
StatePublished - 2013
CitationsWeb of Science® Times Cited: 31


  • Networked visual servo control, Real-time image transmission , Cloud computing, Sending rate scheduling, Control with time-varying time delay
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