Z. Yang, G. Pedersen, L. Larsen, and H. Thybo. Proceedings of 33rd Annual Conference of the IEEE Industrial Electronics Society (IECON'07), page 574--579. Taipei, Taiwan, Electrical Engineering/Electronics, Computer, Communications and Information Technology Association, (2007)
Z. Yang, and G. Pedersen. Proceedings of the 2006 IEEE International Symposium on Intelligent Control, page 3098--3103. Columbus, OH, IEEE, IEEE Control Systems Society, (2006)
Z. Yang, and G. Pedersen. Proceedings of the 2007 IEEE International Conference on Mechatronics and Automation, page 2928--2933. Harbin, Heilongjiang, China, IEEE, (2007)