提出一种零成本精英接力机制,提升教学优化算法性能。
ZIVARI-TLBO: A Zero-Cost Inter-Group Evaluated-Elite Relay Mechanism for Teaching-Learning-Based Optimization
- 采用固定环形接力传递已评估的最优解,不增加计算开销。
- 在8个经典函数和5个工程问题上表现优异,仅次于鲸鱼优化算法。
- 适合追求高效信息共享的优化算法研究者使用。
ZIVARI-TLBO 是一种分组教学-学习优化方法,通过固定环形结构在各组间传递已评估的精英解。每轮调度中,当前组将自身精英解传递给下一组,仅当该精英解目标值更优时,才替换接收组中最差的合格学习者。由于直接复制已有评估解及其适应度,无需额外目标函数调用。在10,000次评估预算下,于维度10、30、50、100的8个经典函数(30组种子)及5个约束工程问题上进行测试。与无接力记录的同类控制器相比,取得728胜/11平/221负,跨维度秩-双样本效应量达0.624。在八种算法多维对比中,鲸鱼优化(WOA)平均排名最佳(2.914),ZIVARI-TLBO 排第二(3.382);显著优于标准TLBO、MCTLBO、DE、PSO、GWO,但显著逊于WOA,经霍尔姆校正后与HHO无显著差异。工程问题结果受静态惩罚策略影响较大,呈现混合性。结果支持该接力机制在预算一致前提下的信息共享有效性,但不支持其通用最优、全局收敛或工程主导地位等主张。
原文摘要 · Abstract (English)
ZIVARI-TLBO is a grouped Teaching-Learning-Based Optimization (TLBO) method that augments an existing population-state controller with a fixed inter-group evaluated-elite relay. At each scheduled event, every group offers its already evaluated elite to the next group in a fixed ring; the elite replaces the receiver's worst eligible learner only when its stored objective value is better. Because the exact relay copies an already evaluated solution and its stored fitness, it requires no additional objective-function calls. The frozen gts-v4-cm-fixed implementation is evaluated under equal 10,000-evaluation budgets on eight classical functions at dimensions 10, 30, 50, and 100, with 30 matched seeds, and on five constrained engineering problems. A direct ablation against the same grouped landscape-aware controller without relay records 728/11/221 wins/ties/losses and a rank-biserial effect size of 0.624 across dimensions. In an eight-method multidimensional comparison, WOA obtains the best average rank (2.914) and ZIVARI-TLBO ranks second (3.382); ZIVARI-TLBO significantly outperforms TLBO, MCTLBO, DE, PSO, and GWO, loses significantly to WOA, and is not significantly different from HHO after Holm adjustment. Feasibility-aware engineering results are mixed and sensitive to the current static-penalty formulation. The evidence supports a scoped relay contribution and budget-consistent information-sharing mechanism, but not universal state-of-the-art, global-convergence, engineering-dominance, or CEC superiority claims.
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