关键词: 避障, NSGA-font-family:", "> = 2 \* ROMAN \* MERGEFORMAT IIfont-family:", ">, 多目标, 油气管网, 优化

Abstract: This paper presents a multi-objective layout optimization method for the oil-gas pipeline network based on NSGA- = 2 \* ROMAN \* MERGEFORMAT II. Pipeline construction costs and gas collecting station construction costs are formulated as major objectives, and the model of multi-objective optimization in oil and gas pipeline network layout planning is established. By using non-dominated sorting genetic algorithm- = 2 \* ROMAN \* MERGEFORMAT II (NSGA- = 2 \* ROMAN \* MERGEFORMAT II) to solve the multi-objective problem, polygon is used to describe the obstacles, and obstacle avoidance is handled using the visual graph method. The proposed method considers multi-objective optimization of the oil-gas pipeline network and obstacle avoidance constraints, so it has good general theory and practical application value. Finally, a numerical example of oil and gas pipeline network is provided to verify the feasibility of the proposed method.

Key words:

"> Obstacle avoidance, NSGA-II, multi-objective, oil-gas pipeline network, optimization