Safety
An Apparatus for Testing Contacts of the Elevator Safety Circuit
by Yuandong Jian, Jiefeng Li, Yihui Ruan and Cheng Zhou The safe operation of an elevator system is of primary importance. The system should work correctly and, above all, safely....
A Way Out: Escape Rescue Systems Are Like Lifeboats in the Sky
Images of people jumping from the burning World Trade Center Twin Towers in New York City on 9/11 haunted Escape Rescue Systems Inc. CEO Jonathan “Yoni” Shimshoni and his friends....
Safety Has Been a Driving Force for Columbia Elevator from the Beginning
As our country wound down from World War II, the recently immigrated Blaiotta family suffered its own tragedy when its patriarch died in a 10-story fall while repairing a construction...
Software Testing of Embedded Safety Loops
by Alexandru Forrai and Takaharu Ueda This article deals with hardware-in-the-loop (HIL) software testing applied to programmable electronic safety systems (PESSes) used in passenger elevators. Development of PESSes with application...
Fail Safe Safety Guard: A Way to Prevent Accidents Resulting from Human Error
This article focuses on fail safe safety guards and provides solutions on how to minimize accidents caused by human error. Each year, approximately 500,000 new elevators are installed worldwide, and...
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