Engineering
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,...
Elevator Group Control Optimal
Scheduling Policy by Zheng Jiong, Bu Siqing and Wan Jianru Elevator systems’ service quality and service efficiency play extremely important roles in the effective use of high-rise buildings. More and...
Elevator Group Control Method
Introduction by Zhu Lin, Jiang Qing, Cao Jie and Wan Jianru With the continuous increase in the number of tall buildings and the rapid development of intelligent buildings, more and...
An Improved and More Accurate Method to Calculate the Energy Consumption of a Lift
It is often necessary to select the best performing lift installation in terms of energy efficiency, for example, to gain the first credit in the Building Research Establishment Environmental Assessment...
Evaluating Elevator Passenger Average Traveling Time under Incoming Traffic Conditions Using Analytical Formulae and Monte Carlo Method
by Dr. Lutfi Al-Sharif, Osama F. Abdel Aal and Ahmad M. Abu Alqumsan Monte Carlo simulation is a powerful tool used in calculating the value of a variable that is...
Calculation of Elevator Balance Coefficient Based on Aitken’s Interpolation
by Huang Shaolun, Luo Zhiqun, Dai Qingyou and Wan Jianru Balance coefficient is an important parameter for the design, implementation and inspection of traction elevators. It is traditionally illustrated by...
The Value of Contiguous Grouping within Destination Dispatching
Overview This article briefly illustrates the role of elevator dispatching within an elevator system. It then describes the difference between traditional elevator systems and the destination dispatching approach and explains...
Sensorless Speed Control of PMSM for Elevator Systems
Energy efficiency, cost and other aspects are taken into consideration when examining permanent-magnet, synchronous-motor (PMSM) sensorless speed control. by Li Xiangwei, Luo Zhiqun and Wan Jianru The performance of an...
