ass日本风韵熟妇pics男人扒开女人屁屁桶到爽|扒开胸露出奶头亲吻视频|邻居少妇的诱惑|人人妻在线播放|日日摸夜夜摸狠狠摸婷婷|制服 丝袜 人妻|激情熟妇中文字幕|看黄色欧美特一级|日本av人妻系列|高潮对白av,丰满岳妇乱熟妇之荡,日本丰满熟妇乱又伦,日韩欧美一区二区三区在线

In the wheat harvest period, when the weather changes, the wheat harvesting time window will change, if the original scheduling scheme is not adopted in a timely and efficient dynamic scheduling method, it will cause a large number of farmers to delay the harvest of farmland, which will bring huge losses to farmers. To avoid or reduce the loss of farmers caused by weather change, considering the emergency scheduling problem of farmland harvester time window change caused by weather change, an multi-objective emergency scheduling model considering the transfer time, waiting time and delay time of the harvester was established, it considered a shortened harvest time window caused by weather change, and an emergency degree function of farmland harvest was introduced to determine the emergency farmland. The farmland with the intersection of working time and rainy time would be prioritized according to the emergency degree. The genetic algorithm was improved according to the characteristics of this model by using two-level multi segment coding method and single point crossing method, so that the algorithm can effectively avoid local optimization and achieve global convergence. Based on the improved genetic algorithm, an emergency harvester scheduling algorithm was designed to achieve the priority of emergency farmland by changing the original harvester route dynamically, so as to improve the service capacity of agricultural machinery cooperatives and reduce farmer losses. Finally, an example was introduced to prove the feasibility of the model and algorithm.