提出一种基于遗传算法的非规则墙体上光伏阵列的设计模型.提出适用于非规则墙体上光伏阵列的编解码算法,以及相对应的选择算子、交叉算子、变异算子,利用加权平均的方式对遗传算法中的适应度函数进行定义,实现对光伏阵列的发电量最大化和单位发电成本最小化.最后通过在Matlab环境下仿真,验证了本文算法的有效性. A design model of photovoltaic array on irregular wall based on genetic algorithm is proposed.The encoding and decoding algorithm for photovoltaic array on irregular wall is proposed, and the corresponding selection operator, crossover operator and mutation operator are put forward Weighted average method is used to define the fitness function in genetic algorithm to maximize the power generation of photovoltaic array and minimize the unit cost of power generation.Finally, the effectiveness of the proposed algorithm is verified by simulation in Matlab environment.