Jansri, Anurak

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Jansri, Anurak
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Jansri, Anuruk
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anurak.ja@kmitl.ac.th

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    Item type:Publication,
    On comparison of attractors for chaotic mobile robots
    (2004-12-01)
    Jansri, Anurak
    ;
    Klomkarn, Kitdakorn
    ;
    Sooraksa, Pitikhate
    In case of no map, trajectory planning could be a difficult task for robot motions to navigate around the assigned patrol areas. Chaotic mobile robots that move in chaotic patterns can be used to solve this problem. This paper is motivated by the question in seeking for suitable chaotic pattern for the aforementioned problem. Twenty-five chaotic patterns generated from various chaotic signals for the robot's path are compared by computer simulation under given conditions. © 2004 IEEE.
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    Further investigation on trajectory of chaotic guiding signals for robotic systems
    (2004-12-01)
    Jansri, Anurak
    ;
    Klomkarn, Kitdakorn
    ;
    Sooraksa, Pitikhate
    Chaotic signals have been used and can be generated by a chaotic circuit for controlling trajectories of mobile robots. Application of chaotically robotic systems may be employed for cleaning and patrolling tasks, when information of areas at work is not available. This paper presents an investigation on trajectory of chaotic guiding signals generated by Chua's attractor and Arnold's non-attractor in five given situations. According to the simulation, with best adjusting parameters for both signals, the trajectory generated from Chua's pattern has covered more areas than that of Arnold's counterpart for all testing cases.
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    A design of stream cipher based on multi-chaotic functions
    (2004-12-01)
    Klomkarn, Kitdakorn
    ;
    Jansri, Anurak
    ;
    Sooraksa, Pitikhate
    This paper presents the design of a stream encryption algorithm using chaotic functions. Various chaotic functions which are highly sensitive and unpredictable to initial conditions have been tested for used as key a stream. The technique employed multi-chaotic function generation for increasing a complexity of keystream is presented. The result of statistic test of a keystream has been approved. Thus, this encryption technique can be applied to security communication, particularity for multimedia transmitting.