Redundancy

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Takashi Harada - One of the best experts on this subject based on the ideXlab platform.

  • cable collision avoidance of a pulley embedded cable driven parallel robot by kinematic Redundancy
    International Conference Control Mechatronics and Automation, 2016
    Co-Authors: Toru Makino, Takashi Harada
    Abstract:

    A novel 6 dof 8 cable-driven parallel robot (CDPR) is proposed. The proposed robot is redundantly driven by 8 cables. By the rotational mechanism inside the moving part (MP), the proposed CDPR has two Redundancy, kinematic Redundancy and actuation Redundancy. The kinematic Redundancy contributes to avoiding collisions between cables, and the actuation Redundancy is used for control the cables' tensions. The proposed CDPR has large workspace by avoiding the cables' collisions, and high precision by keeping the tensions of all cables as positive values. In this paper, control method for avoiding the cables' collisionsby the kinematic Redundancy is discussed in detail.

  • ICCMA - Cable collision avoidance of a pulley embedded cable-driven parallel robot by kinematic Redundancy
    Proceedings of the 4th International Conference on Control Mechatronics and Automation - ICCMA '16, 2016
    Co-Authors: Toru Makino, Takashi Harada
    Abstract:

    A novel 6 dof 8 cable-driven parallel robot (CDPR) is proposed. The proposed robot is redundantly driven by 8 cables. By the rotational mechanism inside the moving part (MP), the proposed CDPR has two Redundancy, kinematic Redundancy and actuation Redundancy. The kinematic Redundancy contributes to avoiding collisions between cables, and the actuation Redundancy is used for control the cables' tensions. The proposed CDPR has large workspace by avoiding the cables' collisions, and high precision by keeping the tensions of all cables as positive values. In this paper, control method for avoiding the cables' collisionsby the kinematic Redundancy is discussed in detail.

Toru Makino - One of the best experts on this subject based on the ideXlab platform.

  • cable collision avoidance of a pulley embedded cable driven parallel robot by kinematic Redundancy
    International Conference Control Mechatronics and Automation, 2016
    Co-Authors: Toru Makino, Takashi Harada
    Abstract:

    A novel 6 dof 8 cable-driven parallel robot (CDPR) is proposed. The proposed robot is redundantly driven by 8 cables. By the rotational mechanism inside the moving part (MP), the proposed CDPR has two Redundancy, kinematic Redundancy and actuation Redundancy. The kinematic Redundancy contributes to avoiding collisions between cables, and the actuation Redundancy is used for control the cables' tensions. The proposed CDPR has large workspace by avoiding the cables' collisions, and high precision by keeping the tensions of all cables as positive values. In this paper, control method for avoiding the cables' collisionsby the kinematic Redundancy is discussed in detail.

  • ICCMA - Cable collision avoidance of a pulley embedded cable-driven parallel robot by kinematic Redundancy
    Proceedings of the 4th International Conference on Control Mechatronics and Automation - ICCMA '16, 2016
    Co-Authors: Toru Makino, Takashi Harada
    Abstract:

    A novel 6 dof 8 cable-driven parallel robot (CDPR) is proposed. The proposed robot is redundantly driven by 8 cables. By the rotational mechanism inside the moving part (MP), the proposed CDPR has two Redundancy, kinematic Redundancy and actuation Redundancy. The kinematic Redundancy contributes to avoiding collisions between cables, and the actuation Redundancy is used for control the cables' tensions. The proposed CDPR has large workspace by avoiding the cables' collisions, and high precision by keeping the tensions of all cables as positive values. In this paper, control method for avoiding the cables' collisionsby the kinematic Redundancy is discussed in detail.

Igor Schagaev - One of the best experts on this subject based on the ideXlab platform.

  • Redundancy + Reconfigurability = Recoverability
    Electronics, 2013
    Co-Authors: Simon Monkman, Igor Schagaev
    Abstract:

    An approach to consider computers and connected computer systems using structural, time, and information redundancies is proposed. An application of Redundancy for reconfigurability and recoverability of computers and connected computer systems is discussed, gaining performance, reliability, and power-saving in operation. A paradigm of recoverability is introduced and, if followed, shifts connected computer systems toward real-time applications. Use of Redundancy for connected computers is analysed in terms of recoverability, where two supportive algorithms of forward and backward tracing are proposed and explained. As an example, growth of mission reliability is formulated.

  • Redundancy reconfigurability recoverability
    Electronics, 2013
    Co-Authors: Simon Monkman, Igor Schagaev
    Abstract:

    An approach to consider computers and connected computer systems using structural, time, and information redundancies is proposed. An application of Redundancy for reconfigurability and recoverability of computers and connected computer systems is discussed, gaining performance, reliability, and power-saving in operation. A paradigm of recoverability is introduced and, if followed, shifts connected computer systems toward real-time applications. Use of Redundancy for connected computers is analysed in terms of recoverability, where two supportive algorithms of forward and backward tracing are proposed and explained. As an example, growth of mission reliability is formulated.

Simon Monkman - One of the best experts on this subject based on the ideXlab platform.

  • Redundancy + Reconfigurability = Recoverability
    Electronics, 2013
    Co-Authors: Simon Monkman, Igor Schagaev
    Abstract:

    An approach to consider computers and connected computer systems using structural, time, and information redundancies is proposed. An application of Redundancy for reconfigurability and recoverability of computers and connected computer systems is discussed, gaining performance, reliability, and power-saving in operation. A paradigm of recoverability is introduced and, if followed, shifts connected computer systems toward real-time applications. Use of Redundancy for connected computers is analysed in terms of recoverability, where two supportive algorithms of forward and backward tracing are proposed and explained. As an example, growth of mission reliability is formulated.

  • Redundancy reconfigurability recoverability
    Electronics, 2013
    Co-Authors: Simon Monkman, Igor Schagaev
    Abstract:

    An approach to consider computers and connected computer systems using structural, time, and information redundancies is proposed. An application of Redundancy for reconfigurability and recoverability of computers and connected computer systems is discussed, gaining performance, reliability, and power-saving in operation. A paradigm of recoverability is introduced and, if followed, shifts connected computer systems toward real-time applications. Use of Redundancy for connected computers is analysed in terms of recoverability, where two supportive algorithms of forward and backward tracing are proposed and explained. As an example, growth of mission reliability is formulated.

Xiaoli Sun - One of the best experts on this subject based on the ideXlab platform.

  • Functional Redundancy Instead of Species Redundancy Determines Community Stability in a Typical Steppe of Inner Mongolia.
    PloS one, 2015
    Co-Authors: Saruul Kang, Qing Zhang, Jianming Niu, Yong Ding, Fang Han, Xiaoli Sun
    Abstract:

    The Redundancy hypothesis predicts that the species Redundancy in a plant community enhances community stability. However, numerous studies in recent years questioned the positive correlation between Redundancy and stability. We explored the relationship between the species Redundancy, functional Redundancy and community stability in typical steppe grassland in Northern China by sampling grassland vegetation along a gradient of resource availability caused by micro-topography. We aimed to test whether community Redundancy enhanced community stability, and to quantify the relative importance of species Redundancy and functional Redundancy in maintaining community stability. Our results showed that the spatial stability of plant community production increases with increased supply of soil resources, and the functional Redundancy instead of species diversity or species Redundancy is correlated with the community stability. Our results supported the Redundancy hypothesis and have implications for sustainable grassland management.