Destination dispatch
Encyclopedia
Destination dispatch is an optimization technique for dispatching elevator
Elevator
An elevator is a type of vertical transport equipment that efficiently moves people or goods between floors of a building, vessel or other structures...

s to provide passengers with the shortest waiting times and the shortest time to destination. Instead of the classic two-button system, passengers enter the desired destination floor with a keypad
Keypad
A keypad is a set of buttons arranged in a block or "pad" which usually bear digits, symbols and usually a complete set of alphabetical letters. If it mostly contains numbers then it can also be called a numeric keypad...

 or touch screen. The elevator group controller uses a computer algorithm to assign the passenger to an elevator in a bank of elevators.

The algorithms behind the destination dispatch can be very complex and most elevator manufacturers have competing destination algorithms, each with its unique benefits. In general, however, destination dispatching can improve an elevators system's ability to handle more passengers with a given number of elevator.

Reducing the number of elevators required in a given building and improving building traffic flow is the goal of destination dispatching. Larger elevator consulting firms use computer simulations to compare the effectiveness of destination dispatching over traditional two-button systems.

Destination dispatch systems can be configured to work with a proximity card
Proximity card
Proximity card is a generic name for contactless integrated circuit devices used for security access or payment systems. The standard can refer to the older 125 kHz devices or the newer 13.56 MHz contactless RFID cards, most commonly known as contactless smartcards.Modern proximity cards...

. That eliminates the need for occupants to enter anything on a control panel. It also offers the ability to give individual occupants private elevator rides, without designating a separate elevator. Occupants who have the privilege have it encoded in their card. The elevator recognizes the card and sends them directly to their destination without stopping.

Elevator manufacturers that offer destination dispatch include Otis Elevator, Kone Corporation, ThyssenKrupp
ThyssenKrupp
ThyssenKrupp AG is a German multinational conglomerate corporation headquartered in Duisburg Essen, Germany. The corporation consists of 670 companies worldwide. While ThyssenKrupp is one of the world's largest steel producers, the company also provides components and systems for the automotive...

, Schindler Group
Schindler Group
thumb|200px|Schindler Test Tower in Ebikon, Lucerne, SwitzerlandSchindler was founded in Switzerland in 1874 and is the largest manufacturer of escalators and the second largest manufacturer of elevators world wide. Schindler produces, installs, maintains and modernizes elevators and escalators in...

, Fujitec
Fujitec
is a company that manufactures elevators, escalators, and vertical mechanized parking equipment. It first began in Japan in 1948, and eventually expanded to many countries around the world.-Outline:...

, and Mitsubishi
Mitsubishi
The Mitsubishi Group , Mitsubishi Group of Companies, or Mitsubishi Companies is a Japanese multinational conglomerate company that consists of a range of autonomous businesses which share the Mitsubishi brand, trademark and legacy...

.
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