机译:用于监视事件时间的三倍指数加权移动平均控制图
Natl Tech Univ Athens Dept Math Athens 15773 Greece;
Visva Bharati Univ Dept Stat Santini Ketan W Bengal India;
Natl Tech Univ Athens Dept Math Athens 15773 Greece;
average run length; DEWMA chart; EWMA chart; gamma distribution; TEWMA chart; time between events;