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Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
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通过角度处罚距离进行改进的鱼优化算法,用于自动列车操作.

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概括
此摘要是机器生成的。

本研究引入了一种改进的鱼优化算法 (IWOA-APD),以提高自动列车运行 (ATO) 质量. 这种新方法显著提高了城市铁路运输中的节能,准时性,准确停车和乘客舒适度.

关键词:
自动列车运行自动列车运行改进了鱼优化算法.多目标优化多目标优化目标速度曲线的目标速度曲线

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科学领域:

  • 优化算法 优化算法
  • 智能运输系统 智能运输系统
  • 城市铁路运输城市铁路运输

背景情况:

  • 自动火车运行 (ATO) 质量对于城市铁路运输效率至关重要.
  • 现有的优化算法可能无法完全解决ATO的多目标要求.
  • 开发先进的算法是必要的,以提高节能,准时性,准确的停车和舒适度.

研究的目的:

  • 通过角度处罚距离 (IWOA-APD) 提出一种新的改进鱼优化算法.
  • 为ATO目标速度曲线建立一个多目标优化模型.
  • 提高ATO绩效评估战略的合理性和适用性.

主要方法:

  • 开发了ATO的多目标优化模型,使用节能,准时性,准确停车和舒适度作为索引.
  • 提出一个角度处罚距离作为一个全面的评估策略.
  • 引入了IWOA-APD的策略,包括非线性下降的收因子,先进的超限消除,遗传进化机制和精英维护.

主要成果:

  • 与传统的MOWOA相比,IWOA-APD显示出显著的性能改善.
  • 在IGD价值下降了69.1%,能源消耗下降了12.5%.
  • 在现实场景中,准时性提高了64.6%,停车精度提高了76.5%,舒适度提高了15.9%.

结论:

  • 拟议的IWOA-APD通过优化目标速度曲线,有效地提高了ATO质量.
  • 角度处罚距离评估策略提高了评估的合理性.
  • IWOA-APD为城市铁路运输运营的多目标优化提供了一种卓越的方法.