In this paper, the driving manner and design method are discussed for the elbow joint of one kind of robot artificial limb. On the basis to satisfy ergonomics, some technical parameters required for the riving manner ...
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In this paper, the driving manner and design method are discussed for the elbow joint of one kind of robot artificial limb. On the basis to satisfy ergonomics, some technical parameters required for the riving manner is make out for the elbow joint. In order to ensure implement for diverse requests, optimization design is adopted in this case. Based on the peculiarity of structure and movement, variables, constraint functions and objective function are all projected reasonably. Complex method is handled to optimize the parameters. Finally, with graphics simulation, it is proved that optimization results suffice the practice requirement commendably.
In this study, an implementation of solution for solving multi-degree of freedom prosthesis joint space is introduced, which is in the case of only knowing three location parameters information of random target in the...
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In this study, an implementation of solution for solving multi-degree of freedom prosthesis joint space is introduced, which is in the case of only knowing three location parameters information of random target in the operating space. Utilizing unique parameters mapping capability for incomplete information, fast parallel information processing capacity and multiple-input multiple-output nonlinear characteristics of artificial neural network establishes a solving model of multi-degree of freedom prosthesis joint space parameters. When the prosthesis system obtains the objectives' three-dimensional coordinates value in the operating space, taking the three coordinate values and a less defined compensatory attitude description as the input of network model, you can obtain a feasible solution of all the prostheses joint quickly and in parallel. This method has been verified with the instance and simulation.
In this paper, a new simple four-dimensional continuous-time autonomous hyperchaotic system is introduced, which displays a complicated four-wing attractor. The existence of the hyperchaos is verified by bifurcation a...
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In this paper, based on passivity theory, coexistence of anti-synchronization and complete synchronization is found between two identical hyperchaotic Lü systems with different initial conditions. The passive con...
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In this paper, a new four-dimensional continuous-time autonomous hyperchaotic system, which has a complicated four-wing attractor, is formulated by adding a linear controller to a chaotic system. The existence of the ...
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In this paper, based on passivity theory, coexistence of anti-synchronization and complete synchronization is found between two identical hyperchaotic Lü systems with different initial conditions. The passive con...
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In this paper, based on passivity theory, coexistence of anti-synchronization and complete synchronization is found between two identical hyperchaotic Lü systems with different initial conditions. The passive controller is employed to make the error dynamical system not only passive but also asymptotically stable. Numerical simulation results illustrate that the designed controller can realize anti-synchronization of three pairs of states and complete synchronization of the remaining one pair.
In this paper, a new four-dimensional continuous-time autonomous hyper chaotic system, which has a complicated four-wing attractor, is formulated by adding a linear controller to a chaotic system. The existence of the...
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In this paper, a new four-dimensional continuous-time autonomous hyper chaotic system, which has a complicated four-wing attractor, is formulated by adding a linear controller to a chaotic system. The existence of the hyper chaos is verified with bifurcation analysis and Lyapunov exponent spectrum. The bifurcation routes from periodic, chaotic to hyper chaotic evolutions are observed simultaneously. The essential dynamical behaviors are demonstrated not only by numerical simulation but also by circuit realization.
In this paper, the grasp operation of an underactuated finger mechanism is simulated with the aim to characterize and analyze its performance. The design of the proposed mechanism is based on spring systems that give ...
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In this paper, the grasp operation of an underactuated finger mechanism is simulated with the aim to characterize and analyze its performance. The design of the proposed mechanism is based on spring systems that give suitable underactuation characteristics. A CAD model is proposed and then it is used in a procedure for numerical simulation. Simulation results show suitable capability for grasping a wide range of objects in size and shape by operating the mechanism inside the finger body. The achieved grasp has been simulated as a human-like functionality with a grasp contact in each phalanx.
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