Engineering

Elevator Seismic Numerical Analysis

FEA modeling of MRL elevator behavior under seismic conditions following EN 81-77 by Dr. Pascal Rebillard and Frédéric Grimault Every year, at the worldwide level, the recorded number of earthquakes...

Noise Control

The elevator is a source of noise; let it be quiet. It is well known that service plants and installations in buildings (including elevator systems) produce airborne and structure-borne sound....

Improved Monte Carlo Method for Apartment Configuration

Program builds on existing elevator-traffic configuration studies to achieve optimal results. by Shi Xiaoliang, Si Liangqun and Wan Jianru The elevator is the indispensable means of vertical transportation in the...

Applied Research on Office Building Elevator Configuration

A case study illustrates that the CMOPSO algorithm method is better than the traditional elevator configuration method of improving the service quality of office buildings. by Ma Lianzhe, Luo Zhiqun,...

A New Method for Measuring Escalator or Moving Walk Overspeed and Anti-Reverse Protection

A testing system that uses an advanced single-chip microcontroller that can produce simulated overspeed and low-speed signals to test escalator or moving-walk protection by Junhua Shen, Yihui Ruan, Rongfeng Lu...

Methods for Evaluating Elevator RTT

Six methods are used to evaluate round-trip time (RTT), using numerical analytics and simulation. by Lutfi Al-Sharif, Ahmad M. Abu Alqumsan and Ahmad T. Hammoudeh The evaluation of the elevator...

Open Communication Protocols for Elevators, Part 2

In the first article of this series (ELEVATOR WORLD, July 2014), the science and concept of open and interoperable protocols were discussed, with an introduction to the seven layers of...

Open Communication Protocols for Elevators, Part 1

Applications in elevator systems for the popular LonTalk standard are discussed. Compatibility, interoperability, interchangeability, and open and standard protocols have been the hottest terminologies in the building-automation industry over the...

Predicting Elevator Traffic Flow Using SAS

The Statistical Analysis System (SAS) software is used, and its results are verified with measured data. by Xu Ruiying, Yao Lianghong, Yu Kun and Wan Jianru High-rise and super-high-rise buildings...

for Tall and Slender Buildings

Virtually all tall buildings are subdivided into zones served by groups of four or six elevators. These groups, with large, single-deck cars, reflect the planning concepts of the attendant-operated elevators...

Pulse Wadi; image courtesy of LWK + PARTNERS

Multi-Billion Dollar Tech District Unveiled in Saudi Arabia

TKE rendering shows the appearance of the boarding bridge.

TKE To Supply Boarding Bridge to Port of Dover

Elevators are a key part of the station accessibility upgrade; photo by Marc A. Hermann for NYC MTA.

Two Modernized Elevators Open on NYC’s Upper West Side

POHLE HESS TAKE ON NEW ROLES AT SCHINDLER

Pohle, Hess Take On New Roles at Schindler

The Cairo Training Center; image courtesy of KONE

KONE Opens First Training Center in Egypt