Publications by Zhengyou He There are ... items referenced. Alternative author names: Zhengyou He. 2017 -- Liangcheng Cai, Zhengyou He, Haitao HuA New Load Frequency Control Method of Multi-Area Power System via the Viewpoints of Port-Hamiltonian System and Cascade System 2016 -- Liangcheng Cai, Zhengyou HeThe Load Frequency Control in power systems via Port-Hamiltonian system and cascade system