Title :
Global spatial modeling based on dynamics identification according to discriminated static sensations
Author :
Barakova, Emilia I. ; Zimmer, Uwe R.
Author_Institution :
GMD-Japan Res. Lab., Kitakyushu, Japan
Abstract :
This article focuses on the problem of identifying and discriminating trajectories (as sequences of situations connected by transition-dynamics) in a mobile robot setup. The continuous time dynamics are segmented and scaled by transition sensations between significantly different static situations. The complementary information out of static attractors and dynamical transitions is fused in a canonical way and under hard real-time constraints. Based on the generated and continuously adapted trajectory models, a global topological model is maintained and attributed suiting the needs of robust qualitative navigation tasks. Neither a global position nor any other global metrical description is generated or employed by this approach, thus it is not meant to fulfil global precision requirements. The presented results describe physical experiments with autonomous robots in unprepared environments
Keywords :
identification; mobile robots; path planning; robot dynamics; autonomous robots; continuous time dynamics; continuously adapted trajectory models; discriminated static sensations; dynamical transitions; dynamics identification; dynamics scaling; dynamics segmentation; global position; global spatial modeling; global topological model; hard real-time constraints; mobile robot setup; robust qualitative navigation tasks; static attractors; trajectory discrimination; trajectory identification; transition sensations; transition-dynamics; unprepared environments; Gyroscopes; Integrated circuit modeling; Mobile robots; Multimodal sensors; Navigation; Position measurement; Robot sensing systems; Robustness; Tiles; Uncertainty;
Conference_Titel :
Underwater Technology, 2000. UT 00. Proceedings of the 2000 International Symposium on
Conference_Location :
Tokyo
Print_ISBN :
0-7803-6378-7
DOI :
10.1109/UT.2000.852566