Top 10 Control Engineering articles, February 6 to March 7: Engineers’ Choice, servo system specification, IEC 61131-3, more

The top 5 most read articles online, from Feb. 6 to Mar. 7 for Control Engineering covered the 2016 Engineers’ Choice Awards winners, what to consider when specifying a servo system, IEC 61131-3, rethinking lockout/tagout, and process models facilitating feedback control. Link to each article below. Also see what ranked 6-10 over the last month.
http://www.controleng.com/single-article/top-10-control-engineering-articles-february-6-to-march-7-engineers-choice-servo-system-specification-iec-61131-3-more/b7203270fcd5eabc23812d67456dbca9.html