改进的混乱控制与自适应式主动集方法相结合,以可靠性为基础的设计优化
Xue An1,2, De Li3, Jiaming Li4
1School of Engineering, Yanbian University, Yanji, Jilin, 133002, People's Republic of China. xuean2511@gmail.com.
Scientific reports
|November 29, 2025
概括
一种新的自适应性主动基于集的混乱控制 (AASCC) 方法提高了基于可靠性的设计优化 (RBDO) 的效率和准确性. 它可以动态调整参数,减少手动调整,并加速复杂工程问题的计算.
科学领域:
- 工程 工程师 工程师 工程师
- 计算科学 计算科学
背景情况:
- 传统的混沌控制 (CC) 方法存在不趋同,低效,需要经常手动调整控制因子.
- 基于可靠性的设计优化 (RBDO) 通常涉及复杂的,计算密集的双循环方法 (DLM).
研究的目的:
- 引入一种新的自适应性主动集式混沌控制 (AASCC) 方法.
- 扩展AASCC以提高基于可靠性的设计优化 (RBDO) 的性能.
- 提高RBDO流程的效率和准确性.
主要方法:
- 在AASCC中,代步骤大小和最低性能目标点 (MPTP) 的搜索区域之间建立了一个梯度关系.
- 该方法可以动态调整MPTP搜索域,减少对控制因子调整的需求.
- AASCC与可靠性指数集成,以创建用于优化RBDO双循环方法 (DLM) 的动态指令条件.
主要成果:
- 拟议的AASCC方法通过最小化控制因子的手动调试来加速计算效率.
- 动态命令条件有效地更新了主动确定约束,减少了RBDO中的冗余工作负载.
- 在MPTP搜索和RBDO问题上的测试显示了与传统方法相比显著的优势.
结论:
- AASCC方法在混沌控制方面取得了重大进展,并应用于RBDO.
- 这种方法在复杂的优化任务中提高了计算效率和准确性.
- 动态调整策略在处理复杂的工程设计问题时被证明是有效的.
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