1. From the Editor-in-Chief

   • Kimon Valavanis

   Editorial 30 November 2006 Pages: 1 - 1

2. George Nikolaos Saridis (November 17, 1931–October 29, 2006)

   IN MEMORIAM 19 December 2006 Pages: 3 - 4

3. Special Issue on Model Based Reasoning in Engineering and Robotic Systems

   • Honghai Liu
   • Spyros G. Tzafestas

   Guest Editorial 05 December 2006 Pages: 5 - 6

4. Fuzzy Policy Reinforcement Learning in Cooperative Multi-robot Systems

   • Dongbing Gu
   • Erfu Yang

   OriginalPaper 20 December 2006 Pages: 7 - 22

5. Motion Control of Rigid Robot Manipulators via First and Second Order Sliding Modes

   • A. Ferrara
   • L. Magnani

   OriginalPaper 20 December 2006 Pages: 23 - 36

6. Improving Robustness of Mobile Robots Using Model-based Reasoning

   • Michael Hofbaur
   • Johannes Köb
   • Franz Wotawa

   OriginalPaper 08 December 2006 Pages: 37 - 54

7. Qualitative Spatial Reasoning with Conceptual Neighborhoods for Agent Control

   • Frank Dylla
   • Jan Oliver Wallgrün

   OriginalPaper 08 December 2006 Pages: 55 - 78

8. Recognition of Human Motion From Qualitative Normalised Templates

   • Chee Seng Chan
   • Honghai Liu
   • David J. Brown

   OriginalPaper 20 December 2006 Pages: 79 - 95

9. Construction of Robot Intra-modal and Inter-modal Coordination Skills by Developmental Learning

   • Q. Meng
   • M. H. Lee

   OriginalPaper 19 December 2006 Pages: 97 - 114

10. A Decomposed-model Predictive Functional Control Approach to Air-vehicle Pitch-angle Control

    • Igor Škrjanc

    Unmanned Systems Paper 01 December 2006 Pages: 115 - 127