SMRT's train propulsion software is called KNS. Explains everything.
TODAY: "According to SMRT, some “reliability improvement modifications” completed over the past two years include: Upgrade of KNS train propulsion software to reduce power faults."
In other news, Transport Minister Lui says "Train delays longer than five minutes were reduced by 20% across the whole MRT network in 2013 from 2012."
[Photo by by Calvin Teo, in November 2005, via Wikipedia]