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日期:2020-06-12 11:31

Scenario Description

? Airline check-in options and procedures vary among airlines globally. Some airlines

allow certain restrictions while other airlines have in place, and occasionally the

same airline at two separate airports may have different check-in procedures. Such

differences are usually not noted by the average passenger and occasionally lead to

service interruptions when one carrier refuses to abide by the procedure that

another carrier normally would be willing to do.

? There are numerous airlines operating and currently they have dedicated check-in

points. This is likely to be less efficient especially when the time between departing

flights is reduced. The delay affects departures, passengers’ waiting time and service

levels.

? In this scenario, three airlines are operating in a local airport, airlines X, Y and Z have

their own regulations to run and manage their check-in area. This includes the way

that passengers wait in terms of queue layout, resources used at each check-in

counter.

Data Collection (Resource Information and Process Description)

ArrivalPassengers

? Arrivals in the terminal are expected at relatively enough time prior to departure of

the aircraft. Inter-arrival times of passengers are random and after consideration by

a team of statistician working at the management level, it has been modelled as

Triangular distribution with minimum equal to 1, maximum equal to 3 and most

likely equal to 2 minutes.

PassengersBooking

? 30% of passengers have already booked to travel via X airline, 25% booked to travel

via Y airline, while the remaining passengers prefer to travel via Z airline.

Queuingbeforecheck-in(EconomyClass)

? Airline X prefers to arrange passengers into two queue lines. These queue lines work

based on First Come First Served (FCFS) rule.

? Airline Y has allocated only one queue line for its passengers.

? Airline Z adopts Airline X in their arrangements.

Check-inoperations

? The X airline has dedicated 2 check-in counters open 90 min before the departure

and close 30 min before the departure of the aircraft. Triangular distributions were

used for the check-in time depending on the purpose of the trip and if the passenger

has already the boarding pass. A staff member is allocated to each counter to provide

the required assistance. In average, the service time has parameters: 0.5(min), 1.1

(most likely), and 1.5 (max) per passenger.

? The Y airline has dedicated 1 check-in counter open 90 min before the departure and

close 30 min before the departure of the aircraft. Triangular distributions were used

for the check-in time depending on the purpose of the trip and if the passenger has

already the boarding pass. A senior staff member is allocated to provide the required

assistance. In average, the service time has parameters: 0.7(min), 1.9 (most likely),

and 2.3 (max) min per passenger.

? The Z airline has dedicated 2 check-in counters open 90 min before the departure

and close 30 min before the departure of the aircraft. Triangular distributions were

used for the check-in time depending on the purpose of the trip and if the passenger

has already the boarding pass. Three senior staff member are allocated to provide

the required assistance. In average, the service time has parameters: 1.5 (min), 1.6

(most likely), and 1.7 (max) min per passenger.

? Modelling of luggage has not been considered in the above check-in problem.

Securityscreening

? After checking a passenger in, he/ she has to walk through the detection equipment

for further security checking. This applies for both airline passengers, as this is the

only security screening available at this airport. Only one screen officer is allocated

to monitor the screening operation.

? The screening last for a couple of minutes to 3 min with an average of 2.5 minutes

per passenger. When necessary passengers will be asked by the screen officer to

walk more than once through the detection equipment and this may increase the

service time. Modelling of passenger travelling times has not been considered in the

above check-in problem.

Operationsbeforeboarding

? Once passengers have passed through the security operations, they arrive in the

departure area when they head directly for boarding.

TheCourseworkTasks

For this piece of individual coursework, you are required to apply simulation modelling to

deliver the tasks below:

Task 1- Provide an Introduction to the problem including: problem brief, main aim,

objectives, tools and techniques, and key performance indicators.

Task2- Use the tabular form to define and analyse the refurbishment system problem. This

analysis includes decomposing the system being investigated into its main components

including: entities, attributes, activities, state variables, and events.

Task3- An appropriate flowchart with detailed explanations.

Task 4- Develop a business simulation model for150 passengersto imitate the above

check-in scenario (“As-Is” situation). Five simulation runs are required, at least one

experiment (scenario) to:

i. Reduce the overall simulation time.

ii. Achieve a reduced queue at each service facility.

iii. Reduce average waiting time of passengers.

A comparison via Excel diagrams of the “As-Is” scenario with any other improvement

scenarios “What-If” is required.

Task5- Conclusion and Recommendations for further improvement (bullet points)


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