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Efficient Multiobjective Synthesis of Analog Circuits using Hierarchical Pareto-Optimal Performance Hypersurfaces

机译:使用分层帕累托最优性能超曲面的模拟电路的高效多目标综合

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An efficient methodology is presented to generate the Pareto-optimal hypersurface of the performance space of a complete mixed-signal electronic system. This Pareto-optimal front offers the designeraccess to all optimal design solutions: starting from the performance specifications, a satisfactory point can a posteriori be selected on the hypersurface which immediately determines the final design parameters. Fast execution is guaranteed by using multi-objective evolutionary optimization techniques and hierachical decomposition. The presented method takes advantage of the Pareto hypersurfaces of the subblocks to generate the overall Pareto front. The hierarchical approach combines behavioral simulation with behavioral models at the higher levels, with SPICE simulations with transistor-level accuracy at the lowest level. Storing the performance data of all subblocks enables reuse for other systems later on.
机译:提出了一种有效的方法来生成完整混合信号电子系统性能空间的帕累托最优超曲面。这种帕累托式最优设计面为设计人员提供了所有最佳设计解决方案的途径:从性能规格出发,可以在超曲面上选择一个令人满意的点,从而立即确定最终的设计参数。通过使用多目标进化优化技术和层次分解,可以确保快速执行。所提出的方法利用子块的帕累托超曲面来生成总体帕累托锋。分层方法将行为仿真与更高级别的行为模型结合在一起,将SPICE仿真与最低级别的晶体管级精度结合在一起。存储所有子块的性能数据可以稍后再用于其他系统。

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