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Hardware/software (HW/SW) partitioning and scheduling are the most significant parts in co-design systems, especially in multiprocessor system-on-chip (MPSoC). It has been shown that both problems, HW/SW partitioning and HW/SW scheduling, are NP-hard. In this paper, we propose a framework for the HW/SW partitioning and scheduling. The proposed approach initially searches for typical sub-graphs in...
In order to reduce losses, Relief Transfer Center needs to make a trade-off between the urgency degree and the size of demands. Assuming the losses of unsatisfied relief demands have a positive relationship with delayed time, this paper first get an optimal offline strategy under the known demand sequences and point out that the time complexity is O(n2); secondly, under the unknown demand sequences,...
The time-cost optimization (TCO) problem is a multiobjective problem, which attempts to strike a balance between resource allocation costs and project schedule duration. In this paper, a self-adaptive ant colony optimization (SACO) with changing parameters based on information entropy has been employed to model time-cost optimization problem, which overcome the intrinsic weakness of premature of the...
With the increasing scale and complexity of modern project, project schedule management are influenced by lots of factors, such as delays and reworks. They also increase project schedule risk. Tradition project management methods can not guarantee project performance because they don't consider integrity, dynamism and nonlinearity of project. On basis of analyzing the project process flow, the paper...
This paper presents a mixed H2/Hinfin, state feedback control and its application to airborne dispenser pitch-axis autopilot design. Linear matrix inequality conditions that depend only on the vertices of polytope are given for existence of a stabilizing gain scheduled state feedback for linear parameter-varying system in convex polytopic domain, and the solution of the controller is given. The proposed...
With the line rate growing faster and faster, input queued switching architecture has become attractive in high performance switches and routers due to the no speedup character. In this paper, a simple efficient queue balance matching (QBM) algorithm is presented supporting cells with multiple output ports based on the multi-hop routing. The QBM algorithm combines the virtue of iSLIP and EiSLIP, and...
The problem of hot rolling scheduling is formalized as a mathematical model. Tabu algorithms with two moves respectively based on inserting and swapping neighborhood are proposed and compared with the corresponding version with single move for the problem. The experiment results show that the selection strategy of candidate list with two moves can improve the solution quality a lot given the same...
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