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A general vision approach for environment understanding of mobile robot is proposed, which is inspired by biological visual cortex. Gray level image from robot camera is firstly processed in the selective attention layer, and then in S and C layers for meaningful structure elements. With the help of the Sc layer designed for endpoints detection, the line segments map is generated to serve as the form...
This paper proposes a new forward passageway (FP) based real-time collision-free target tracking approach for a mobile robot with local sensing. After the position of the target is estimated and localized in robot coordinate system through the combination of vision system and encoder, the sonar information and the target position are converted to a uniform environment model framework called decision-making...
This paper proposes a hunting control approach for multiple mobile robots with local sensing. Predator Robot (PR) requires the sensing information and makes decision without communication with other PRs. The cooperation may emerge by local interactions among the robots. The invader (IR) is given the intelligent ability to escape. Experiments results show the validity of the proposed approach.
This paper proposes an obstacle forbidden zone based motion planning approach for multiple robots in unknown environments. In order to avoid possible collisions, the concept of forbidden zone is introduced, and the recurrent least square algorithm with restricted scale is adopted to anticipate the motions of other robots. After eliminating those candidate directions that are blocked by static and...
In this paper, we developed a robot fish consisting of a fish body, a two-linked fish tail and two 2-DOF pectoral fins. In order to make robot fish detect obstacles and perceive its postures, three infrared sensors and a gyro are fixed on the fish body. And an artificial CPG controller consists of four neural oscillators with sensory information feedback have been designed. This controller can generate...
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