4.7 Article

Multi-behaviors coordination controller design with enzymatic numerical P systems for robots

Journal

INTEGRATED COMPUTER-AIDED ENGINEERING
Volume 28, Issue 2, Pages 119-140

Publisher

IOS PRESS
DOI: 10.3233/ICA-200627

Keywords

Membrane computing; reactive navigation; autonomous mobile robot; behaviors coordination

Funding

  1. National Natural Science Foundation of China [61972324, 61672437, 61702428, 61771411]
  2. Beijing Advanced Innovation Center for Intelligent Robots [2019IRS14]
  3. Sichuan Science and Technology Program [2018GZ0086, 2018GZ0185]
  4. New Generation Artificial Intelligence Science and Technology Major Project of Sichuan Province [2018GZDZX0043]
  5. Artificial Intelligence Key Laboratory of Sichuan Province [2019RYJ06]

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This paper introduces a novel multi-behaviors coordination controller model for autonomous mobile robot navigation in unknown environments, using enzymatic numerical P systems. The model includes an environment classifier for identifying different environment patterns and a coordination controller for managing the behaviors of the robots.
Membrane computing models are parallel and distributed natural computing models. These models are often referred to as P systems. This paper proposes a novel multi-behaviors co-ordination controller model using enzymatic numerical P systems for autonomous mobile robots navigation in unknown environments. An environment classifier is constructed to identify different environment patterns in the maze-like environment and the multi-behavior co-ordination controller is constructed to coordinate the behaviors of the robots in different environments. Eleven sensory prototypes of local environments are presented to design the environment classifier, which needs to memorize only rough information, for solving the problems of poor obstacle clearance and sensor noise. A switching control strategy and multi-behaviors coordinator are developed without detailed environmental knowledge and heavy computation burden, for avoiding the local minimum traps or oscillation problems and adapt to the unknown environments. Also, a serial behaviors control law is constructed on the basis of Lyapunov stability theory aiming at the specialized environment, for realizing stable navigation and avoiding actuator saturation. Moreover, both environment classifier and multi-behavior coordination controller are amenable to the addition of new environment models or new behaviors due to the modularity of the hierarchical architecture of P systems. The simulation of wheeled mobile robots shows the effectiveness of this approach.

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