Pair development--Elevator dispatch report

demand analysis of " elevator dispatching "

I. Background of the project

Imagine, Shijiazhuang Railway University basic teaching building elevator configuration is as follows: The building has 18 floors, 4 elevators, many passengers use these elevators daily (passenger weight: Average 70 kg max 120 kg, min 45 kg). Other constant data: elevator speed, open/close time, passenger time to be in/out of the elevator. Can be justified on these assumptions.

Second, data analysis

We randomly selected one day to go to the scene to investigate the use of the basic teaching building elevator, the list is as follows:

10s

10s

10s

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elevator name	Number of stops	passenger restrictions	weight limit /kg	elevator switch time /s	passenger access to elevator time /s
elevator 1	8-18 15 1150	4s
elevator 2	8-18 15 1150	4s
elevator 3	8-18 15 1150	4s
Elevator 4	8-18 Layer (single layer)	people	1150	4s	10s

Pro class is generally the peak of the elevator use, the elevator is about more than 10 people, the usual elevator usage is smaller, sometimes four elevators are in the state of unmanned use.

Iii. Summary of research

1. After investigation, we found that the upward downward of the elevator, actually divided into the elevator internal instructions and external instructions.

　2. The internal order of the elevator for passengers to enter the elevator floor selection, the elevator according to user instructions and the current floor to compare the upstream downward movement.

　3. Elevator External instructions for passengers to enter the elevator up and down the line of command selection, the elevator according to user instructions and the current floor to compare the upstream downward movement.

4. when the elevator is empty or the elevator is small, the elevator should take precedence over the next line (adjacent to one or two layers) of the upper and lower command.  

Iv. Demand Analysis

Our group outlines several features that the elevator scheduler needs to accomplish:

1. record each person presses the elevator data, such as the personnel in several layers, to go several layers.

2. determine the order of each person, in order to meet each person's demand for elevators.

3. design an elevator limit weight alarm. If the lift is overweight, the elevator automatically alarms and does not run until the weight limit is met

4. design a low peak period, that is, the use of the elevator is small, only open two elevators, the other two does not run, to avoid unnecessary waste of resources (such as sometimes several people at the same time on the next floor but use different elevators).

v. Work photos

Pair development--Elevator dispatch report