Submitted on: 04 February 2014.
Revised on: 12 March 2014.
Accepted on: 08 May 2014.
___________________AUTONOMOUS ROBOTS---SPRINGER
http://reply.papertrans.cn/1/33/3201/3201-32.png
http://reply.papertrans.cn/1/33/3201/3201-33.png
http://reply.papertrans.cn/1/33/3201/3201-34.png
http://reply.papertrans.cn/1/33/3201/3201-35.png
Submitted on: 04 February 2008.
Revised on: 19 April 2008.
Accepted on: 12 May 2008.
___________________AUTONOMOUS ROBOTS---SPRINGER