Engineering

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...

Grid-Connected Feedback Control

An LCL filter aids the conversion of elevator feedback energy to AC for it to be safely sent back to the grid. by Wang Yanqing, Jiang Qing, Cao Jie and...

Vertical-Transportation Design Planning

What manufacturers and architects should be aware of in the planning stages of a building’s elevatoring Elevator contractors are quite familiar with their specialty tasks – they do sales engineering,...

The 125th Street and Broadway MTA station; photo by General Punger for Wikipedia

Inaccessibility at Key NYC Subway Station Focus of Meeting

Mills Park Tower; image courtesy of apartments.com

Elevator Modernization Underway at Chicagoland OPHA Tower

The event is planned at SPEEDERS in Richmond, B.C.; image courtesy of SPEEDERS.

CECA Western Region Meeting and Networking Event Planned

The event provides lift professionals with the opportunity to deepen their understanding of Shorts’ advanced Langer & Laumann Door Operator; image courtesy of Langer & Laumann.

Shorts Again Offers Roadshow For Lift Professionals

ALABAMA TOWN CONSIDERING FINES FOR FAULTY ELEVATORS

Alabama Town Considering Fines For Faulty Elevators