With the aid of the Arena Model Template package and Visual Basic for Applications, four new modules packed into a new plug-in (so called template) were developed: Init_Globals--Initialization of global variables; Elevator
_Generator--Generator of a particular elevator
(N-modules for N-elevators
in a model); Call Floor--Logic control in front of elevator
door (M-modules for M-floors in a model); Floor Management - complex inside logic manages a particular elevator
on a particular floor.
will continue to maintain a stellar safety record while allowing state-of-the-art technology to be applied to the designs.
This is a 6-story residential building with approximately 175 units serviced by three elevators
Compared with conventional elevators
the new system can control the oscillation of long ropes, which are attached to elevators
, for increased safety and convenience.
A Washington television station, WUSA, has discovered that more than half of the district's elevators
lack valid licenses.
THERE ARE AN ESTIMATED 244,000 elevators
in the Kanto region.
With just a few terrestrial elevators
in place, making the journey to the station in Earth orbit every few days, the potential for space tourism and other commercial ventures would be enormous, says Edwards.
World markets for Canada's grain will have to shift if the 10 remaining terminal elevators
in Thunder Bay hope to recover business lost to ports on the West Coast, industry experts say.
The seismic retrofit project was substantially completed last summer, but the aging elevators
and the leaky roof were not part of it.
are about to go where no elevator
has gone before--sideways.
also create special problems for law enforcement agencies that provide police service to public housing highrise buildings.
Otis is the world's leading manufacturer of elevators
, with a global market share of about 25 percent.
According to Don Taylor, executive vice president of Hawaiian Pacific Elevators
(local affiliate of Hornlake, Mississippi-based Dover Elevators
), the company installed 87 elevators
in 1989 and about 80 elevators
in 1990, compared to 39 in 1986.
Also, studies have found that MRL elevators
consume less energy than traction elevators
and they do not use hydraulic oil that can spill or leak.