AIMC Topic: Biological Clocks

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Complex patterns arise through spontaneous symmetry breaking in dense homogeneous networks of neural oscillators.

Scientific reports Feb 26, 2016
There has been much interest in understanding collective dynamics in networks of brain regions due to their role in behavior and cognitive function. Here we show that a simple, homogeneous system of densely connected oscillators, representing the agg...
Macaca Animals Neurons Biological Clocks Neural Networks, Computer Brain
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Distributed flow sensing for closed-loop speed control of a flexible fish robot.

Bioinspiration & biomimetics Oct 23, 2015
Flexibility plays an important role in fish behavior by enabling high maneuverability for predator avoidance and swimming in turbulent flow. This paper presents a novel flexible fish robot equipped with distributed pressure sensors for flow sensing. ...
Animals Equipment Failure Analysis Transducers Feedback, Physiological Elastic Modulus Biological Clocks Fishes Biomimetics Computer-Aided Design Rheology Robotics Swimming Equipment Design
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Minimal feedback to a rhythm generator improves the robustness to slope variations of a compass biped.

Bioinspiration & biomimetics Aug 20, 2015
In recent years there has been a growing interest in the field of dynamic walking and bio-inspired robots. However, while walking and running on a flat surface have been studied extensively, walking dynamically over terrains with varying slope remain...
Computer-Aided Design Models, Neurological Robotics Gait Humans Computer Simulation Spatial Navigation Central Pattern Generators Biological Clocks Biomimetics Leg Feedback, Physiological
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Undamped Oscillations Generated by Hopf Bifurcations in Fractional-Order Recurrent Neural Networks With Caputo Derivative.

IEEE transactions on neural networks and learning systems May 14, 2015
In this paper, a fractional-order recurrent neural network is proposed and several topics related to the dynamics of such a network are investigated, such as the stability, Hopf bifurcations, and undamped oscillations. The stability domain of the tri...
Biological Clocks Humans Neural Networks, Computer Algorithms Computer Simulation Feedback Time Factors Nonlinear Dynamics
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Mechatronic design and locomotion control of a robotic thunniform swimmer for fast cruising.

Bioinspiration & biomimetics Mar 30, 2015
This paper presents mechatronic design and locomotion control of a biomimetic robotic fish that swims using thunniform kinematics for fast cruising. Propulsion of the robotic fish is realized with a parallel four-bar propulsive mechanism that deliver...
Animal Fins Biological Clocks Micro-Electrical-Mechanical Systems Ships Fishes Biomimetics Computer-Aided Design Swimming Computer Simulation Robotics Equipment Failure Analysis Feedback Equipment Design Feedback, Physiological Animals Models, Biological Central Pattern Generators
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Performance of synchronized fins in biomimetic propulsion.

Bioinspiration & biomimetics Mar 30, 2015
By using a two-dimensional model of ray fins, we numerically investigate the thrust generation by closely-coupled fins with an immersed boundary approach. The concentration is on the performance enhancement through fin-fin interactions and the underl...
Computer Simulation Animals Robotics Models, Biological Swimming Fishes Feedback, Physiological Biomimetics Animal Fins Rheology Biological Clocks
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Multibody system dynamics for bio-inspired locomotion: from geometric structures to computational aspects.

Bioinspiration & biomimetics Mar 26, 2015
This article presents a set of generic tools for multibody system dynamics devoted to the study of bio-inspired locomotion in robotics. First, archetypal examples from the field of bio-inspired robot locomotion are presented to prepare the ground for...
Models, Biological Biomimetics Locomotion Equipment Failure Analysis Biological Clocks Computer-Aided Design Robotics Humans Equipment Design Computer Simulation Gait Animals
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Running up a wall: the role and challenges of dynamic climbing in enhancing multi-modal legged systems.

Bioinspiration & biomimetics Mar 26, 2015
Animals have demonstrated the ability to move through, across and over some of the most daunting environments on earth. This versatility and adaptability stems from their capacity to alter their locomotion dynamics and employ disparate locomotion mod...
Computer Simulation Animals Extremities Models, Biological Biological Clocks Computer-Aided Design Running Robotics Biomimetics Equipment Design Equipment Failure Analysis
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Folding in and out: passive morphing in flapping wings.

Bioinspiration & biomimetics Mar 25, 2015
We present a new mechanism for passive wing morphing of flapping wings inspired by bat and bird wing morphology. The mechanism consists of an unactuated hand wing connected to the arm wing with a wrist joint. Flapping motion generates centrifugal acc...
Columbidae Flight, Animal Wings, Animal Biological Clocks Biomimetics Equipment Failure Analysis Chiroptera Computer Simulation Animals Computer-Aided Design Robotics Equipment Design Models, Biological
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Biological modelling of a computational spiking neural network with neuronal avalanches.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences Jun 28, 2017
In recent years, an increasing number of studies have demonstrated that networks in the brain can self-organize into a critical state where dynamics exhibit a mixture of ordered and disordered patterns. This critical branching phenomenon is termed ne...
Humans Neural Networks, Computer Machine Learning Biomimetics Nerve Net Feedback, Physiological Biological Clocks Learning Animals Neuronal Plasticity Action Potentials
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