Submitted on: 07 September 2001.
Revised on: 17 October 2001.
Accepted on: 14 December 2001.
___________________IEEE ROBOTICS & AUTOMATION MAGAZINE
Submitted on: 03 October 2021.
Revised on: 09 November 2021.
Accepted on: 20 November 2021.
___________________IEEE ROBOTICS & AUTOMATION MAGAZINE
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Submitted on: 13 March 2010.
Revised on: 29 May 2010.
Accepted on: 14 June 2010.
___________________IEEE ROBOTICS & AUTOMATION MAGAZINE
Submitted on: 13 April 2017.
Revised on: 27 June 2017.
Accepted on: 21 July 2017.
___________________IEEE ROBOTICS & AUTOMATION MAGAZINE
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