分析了金终端网络成本优化问题中的寻优效果和寻优速度问题，结合了泰国学者Kanyapat Watchara Sitthiwat在解决网络优化问题的建模思想，利用成本最小化模型实施优化。根据该优化模型的特点，给出了改进蚁群算法（I-ACA），并利用该优化算法解决了全终端网络成本优化问题。仿真验证结果表明，该优化算法不仅有效，且与文献【5】中的优化方法相比具有寻优效果佳、寻优速度快的特点。尤其针对计算大型复杂全终端网络优化问题具有较好的实用价值。%Analyzing optimization results and the optimization speed in the problem of all-terminal network reliability optimization design. Reference to the optimization modeling idea used by Kanyapat Watcharasitthiwat, a cost minimization model will be used in the optimization problem, According to the characteristics of the optimization model, proposing an improvement ant colony algorithm （I-ACA） solves the solutions. The simulation results show that the algorithm is more effective than the one in literature[5], for it can get a better solution and speed rapidly. The algorithm is suitable for the problem of complex all-terminal network optimization.
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