http://gen.lib.rus.ec/scimag/index.php?s=Stability%20Regions%20of%20Nonlinear%20Dynamical%20Systems:%20Theory,%20Estimation,%20and%20Applications
MPCE：
http://www.mpce.info/ch/index.aspx
power systems:
https://ieeexplore.ieee.org/xpl/tocresult.jsp?isnumber=4374138&filter%3DAND%28p_IS_Number%3A4374138%29%26pageNumber%3D2&pageNumber=3
Smart grid:
https://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165411