Optimization method of power grid material warehousing and allocation based on multi-level storage system and reinforcement learning. - Zhou Dai; Peng Xie; Yingmin Huang; Guixian Cheng; Wuqin Tang; Kemin Zou; Ningjun Duan; Lianming Zou; Jun Ning; Jin Lian; Nan Yang (Comput. Electr. Eng., 2023)