• Optimisation of production machine scheduling using a two level mixed optimisation methodOptimisation of production machine scheduling using a two level mixed optimisation method

    A flow chart at Figure 4 shows the algorithm used for evaluation of the optimal choice of machines and OT hours for each work order in the wake of given wait time for each machine and production time required for each machining operation given in the work orders. It may be noted that in the given problem the author has not considered the option...

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  • Managing the exploitation life of the mining machinery for a limited duration of timeManaging the exploitation life of the mining machinery for a limited duration of time

    The optimum solution aimed for exploitation of machinery life, obtained in the described manner, should not be directly recommended for accepting and application to the management of a mining company. It is required primarily to carry out the overall economic analysis that includes the analysis of sensitivity, analysis of efficiency and the ana...

    pdf10 trang | Chia sẻ: huongthu9 | Ngày: 12/08/2021 | Lượt xem: 658 | Lượt tải: 0

  • Learning and transferring motion style using Sparse PCALearning and transferring motion style using Sparse PCA

    In this paper, we introduce a novel algorithm for motion style transfer task. Our method is an integration of matrix factorization and an artistic style learning technique. This work can deal with a shortage of large motion datasets since it can be applied to small ones. In spite of gaining some promising outcomes, there are several limitat...

    pdf10 trang | Chia sẻ: huongthu9 | Ngày: 12/08/2021 | Lượt xem: 679 | Lượt tải: 0

  • Nonlinear postbuckling of eccentrically stiffened functionally graded plates and shallow shellsNonlinear postbuckling of eccentrically stiffened functionally graded plates and shallow shells

    A formulation of the governing equations of eccentrically reinforced functionally graded plates and shallow shells based upon the classical shell theory and the smeared stiffeners technique with von Karman-Donnell nonlinear terms has been presented. By use of Galerkin method, explicit expressions of critical buckling loads and nonlinear load-def...

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  • A formula of evaluating structural safety based on fuzzy set theoryA formula of evaluating structural safety based on fuzzy set theory

    Results obtained by the new formula and the formula [2] are the same. However, the new formula is applied easily in cases we can’t define the intersectional part area of two sets S˜ and R˜, while the formula in [2] is not applicable. It can be seen the "Formula of area ratio" is more general for evaluating safety of structures. Because this for...

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  • New concepts of theory of gearing and a method for reverse synthesis of the gearingNew concepts of theory of gearing and a method for reverse synthesis of the gearing

    Base on the results of our research for years into the investigation of the theoretical and practical application of the gearing we have developed the following theories: - Theory of gearing with the favourite contact ellipse. - Theory of gearing with the elastohydrodynamic film thickness. - Generation of gear without the restriction of the use...

    pdf9 trang | Chia sẻ: huongthu9 | Ngày: 12/08/2021 | Lượt xem: 704 | Lượt tải: 0

  • Decision making in reverse logistics using system dynamicsDecision making in reverse logistics using system dynamics

    This research analyses the Reverse Logistics network using SD methodology. After a well work-out of the reverse logistics model, we come up with the impression that the study of this field must continue. It is important to understand the necessity of the reverse channel and the economical and ecological profits from it. We believe that in the n...

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  • A simple weak form for contact problems with coulomb frictionA simple weak form for contact problems with coulomb friction

    The weak form (19) has been designed as an extension of the standard virtual work principle to deal with the contact problem with Coulomb friction. Since it is a genuine weighted residual relationship involving arbitrary (regular) virtual displacements and multipliers, it can be discretized by means of the finite element method in a simple way....

    pdf24 trang | Chia sẻ: huongthu9 | Ngày: 12/08/2021 | Lượt xem: 870 | Lượt tải: 0

  • The optimal control in batch arrival queue with server vacations, startup and breakdownsThe optimal control in batch arrival queue with server vacations, startup and breakdowns

    For the N policy M[x]/G/1 queuing system, we easily derived some important system characteristics through the key probability - generating function and decomposition property. We also performed a numerical analysis between the optimal value N and the specific values of system parameters. The model is significant since more general situations in...

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  • Standard gradient models and crack simulationStandard gradient models and crack simulation

    In this paper, the constitutive equations of standard gradient models are conveniently described from the expressions of the energy and the dissipation potentials. Our attention is focussed on the derivation of the governing equations as a generalized Biot equation, on the formalism of generalized standard materials and on time-dependent processe...

    pdf9 trang | Chia sẻ: huongthu9 | Ngày: 12/08/2021 | Lượt xem: 660 | Lượt tải: 0