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A method based on variable horizon predictive control is proposed in the paper for nominal trajectory guidance. Firstly, a feasible reference trajectory is generated by the Gauss pseudospectral method. Then, curvature is employed to represent the smoothness of obtained trajectory and predictive horizon is selected according to the curvature. Different predictive control optimal problems are established...
This paper indicated an inactive preference-weight method for Genetic Algorithm (GA), which can turn the individual's preference into weight preference in the multi criterion satisfactory optimization. DM can use the preference-weight to rebuild the fitness function, and according to binary relations of sample points based on the information of DM's preference, inactively modifies the evolution direction...
Most software development projects confront great risks and risks might occur in the whole development process. Success of the projects demands effective management of the risks. Five main reasons are analyzed for a complete and clear understanding of the risks. The reasons include the use of new and unproven technologies, system requirements, system architecture, system performance, and organizational...
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