Department of Management- Queuing Theory
Queue is formed because:-
The service facility is limited & the arrivals are infinite.
The mismatch between service facility & arrivals
TERMINOLOGY
QUEUEING SYSTEM
ARRIVAL PROCESS
CATEGORIES OF CUSTOMERS
SERVICE PROCESS
REPRESENTATION OF QUEUEING SYSTEM
NOTATION
This slide was prepared as a part of presentation in a course work of Master in IT, IIT, University of Dhaka. The main slide was prepared by Dr. Sam Labi of Purdue University and Dr. Fred of MIT.
The latest in tourist holidaying is the "Holiday at the Airport ". There is no longer the need to actually leave the country but to enjoy the experience of being at the airport about to leave for a fantasy trip abroad.
Similar to the theme park experience, at the end of the security queue you receive a photo of your xray baggage and footage of you and your friends/family queuing with fear and excitement.
You receive photos of the people you meet, the places you loiter, the food you consume at the many vending and fast food chains.
You relish the moment you find that your flight is delayed and the electricity in the airport has failed. The moments you share with strangers will never be replaced, they are unique and you savor every angry word, stressed and confused face.
You audio record the moment the airport representatives fob you off and the budget airlines blame each other...
This is the new 'Holiday At the Airport", just as Ballard might have depicted.
Department of Management- Queuing Theory
Queue is formed because:-
The service facility is limited & the arrivals are infinite.
The mismatch between service facility & arrivals
TERMINOLOGY
QUEUEING SYSTEM
ARRIVAL PROCESS
CATEGORIES OF CUSTOMERS
SERVICE PROCESS
REPRESENTATION OF QUEUEING SYSTEM
NOTATION
This slide was prepared as a part of presentation in a course work of Master in IT, IIT, University of Dhaka. The main slide was prepared by Dr. Sam Labi of Purdue University and Dr. Fred of MIT.
The latest in tourist holidaying is the "Holiday at the Airport ". There is no longer the need to actually leave the country but to enjoy the experience of being at the airport about to leave for a fantasy trip abroad.
Similar to the theme park experience, at the end of the security queue you receive a photo of your xray baggage and footage of you and your friends/family queuing with fear and excitement.
You receive photos of the people you meet, the places you loiter, the food you consume at the many vending and fast food chains.
You relish the moment you find that your flight is delayed and the electricity in the airport has failed. The moments you share with strangers will never be replaced, they are unique and you savor every angry word, stressed and confused face.
You audio record the moment the airport representatives fob you off and the budget airlines blame each other...
This is the new 'Holiday At the Airport", just as Ballard might have depicted.
This presentation shows the results of a class project analyzing transportation alternatives to ease congestion at a Ohio major intersection. My group was assigned the roundabout alternative, and our analysis included site analysis using GIS, stakeholder concerns, environmental issues, feasibility of a roundabout, and final recommendations.
APPLICATION OF QUEUE MODEL TO ENHANCE BANK SERVICE IN WAITING LINESPavel Islam
. In this slide, queue theory is applied to enhance the service of a bank in lines. For this, firstly a queue model (M/M/C): (GD/∞/∞) is selected to find out efficiency of the servers, number of service facilities, when (days of the week) customers can typically be expected to arrive,amount of time customers has to spend to get the desired service, length of the queue, how much time the customers have to wait before the service starts, how much time the customers have to wait in the bank, human psychology (frustration). After that, the optimal number of counter is calculated to improve the operational efficiency. At last, we calculate the optimal service rate and service efficiency.
"Traffic Flow" is a PowerPoint for primary and secondary students that introduces the concept of traffic flow, issues that may present with traffic and ways to resolve these problems. This lesson can also be paired with a "Redesign and Intersection" activity.
Design of water tank (RCC design) By Working Stress Method as per Indian Standards.
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Traffic Congestion PowerPoint Presentation, how to reduce traffic congestion, costs of traffic congestion, road accidents and traffic congestion, loss of time due to congestion, pollution, health , diseases, photos, images
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Waiting Line Model is one of the decision line model.Waiting Line Model is one of the decision line model.Waiting Line Model is one of the decision line model.Waiting Line Model is one of the decision line model.
Queuing theory: What is a Queuing system???
Waiting for service is part of our daily life….
Example:
we wait to eat in restaurants….
We queue up in grocery stores…
Jobs wait to be processed on machine…
Vehicles queue up at traffic signal….
Planes circle in a stack before given permission to land at an airport….
Unfortunately, we can not eliminate waiting time without incurring expenses…
But, we can hope to reduce the queue time to a tolerable levels… so that we can avoid adverse impact….
Why study???? What analytics can be drawn??? Analytics means ---- measures of performance such as
1. Average queue length
2. Average waiting time in the queue
3. Average facility utilization….
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Enterprise excellence and inclusive excellence are closely linked, and real-world challenges have shown that both are essential to the success of any organization. To achieve enterprise excellence, organizations must focus on improving their operations and processes while creating an inclusive environment that engages everyone. In this interactive session, the facilitator will highlight commonly established business practices and how they limit our ability to engage everyone every day. More importantly, though, participants will likely gain increased awareness of what we can do differently to maximize enterprise excellence through deliberate inclusion.
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Dr. William Harvey is a seasoned Operations Leader with extensive experience in chemical processing, manufacturing, and operations management. At Michelman, he currently oversees multiple sites, leading teams in strategic planning and coaching/practicing continuous improvement. William is set to start his eighth year of teaching at the University of Cincinnati where he teaches marketing, finance, and management. William holds various certifications in change management, quality, leadership, operational excellence, team building, and DiSC, among others.
RMD24 | Retail media: hoe zet je dit in als je geen AH of Unilever bent? Heid...BBPMedia1
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Cracking the Workplace Discipline Code Main.pptxWorkforce Group
Cultivating and maintaining discipline within teams is a critical differentiator for successful organisations.
Forward-thinking leaders and business managers understand the impact that discipline has on organisational success. A disciplined workforce operates with clarity, focus, and a shared understanding of expectations, ultimately driving better results, optimising productivity, and facilitating seamless collaboration.
Although discipline is not a one-size-fits-all approach, it can help create a work environment that encourages personal growth and accountability rather than solely relying on punitive measures.
In this deck, you will learn the significance of workplace discipline for organisational success. You’ll also learn
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Explore our most comprehensive guide on lookback analysis at SafePaaS, covering access governance and how it can transform modern ERP audits. Browse now!
What are the main advantages of using HR recruiter services.pdfHumanResourceDimensi1
HR recruiter services offer top talents to companies according to their specific needs. They handle all recruitment tasks from job posting to onboarding and help companies concentrate on their business growth. With their expertise and years of experience, they streamline the hiring process and save time and resources for the company.
RMD24 | Debunking the non-endemic revenue myth Marvin Vacquier Droop | First ...BBPMedia1
Marvin neemt je in deze presentatie mee in de voordelen van non-endemic advertising op retail media netwerken. Hij brengt ook de uitdagingen in beeld die de markt op dit moment heeft op het gebied van retail media voor niet-leveranciers.
Retail media wordt gezien als het nieuwe advertising-medium en ook mediabureaus richten massaal retail media-afdelingen op. Merken die niet in de betreffende winkel liggen staan ook nog niet in de rij om op de retail media netwerken te adverteren. Marvin belicht de uitdagingen die er zijn om echt aansluiting te vinden op die markt van non-endemic advertising.
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Taurus Zodiac Sign_ Personality Traits and Sign Dates.pptxmy Pandit
Explore the world of the Taurus zodiac sign. Learn about their stability, determination, and appreciation for beauty. Discover how Taureans' grounded nature and hardworking mindset define their unique personality.
Attending a job Interview for B1 and B2 Englsih learnersErika906060
It is a sample of an interview for a business english class for pre-intermediate and intermediate english students with emphasis on the speking ability.
Attending a job Interview for B1 and B2 Englsih learners
516 Queuing
1. Delays at DDM International Airport Ryan Hess Tonisha Morris Sandra Nasilowski Phil Sampona
2. Queuing Theory Queuing= waiting lines Orderly fashion Elements of a queue Arrivals that need service of some kind. Service facilities that take care of the arrivals. The queue, where the arrivals wait until they can be serviced.
3. Queuing TheoryExamples of Queuing M/M/1: This is the simplest queuing system to analyze. Here the arrival and service time are negative exponentially distributed (Poisson process). The system consists of only one server. This queuing system can be applied to a wide variety of problems as any system with a very large number of independent customers can be approximated as a Poisson process M/D/n: Here the arrival process is Poisson and the service time distribution is deterministic. The system has n servers. (e.g. a ticket booking counter with n cashiers) Here the service time can be assumed to be same for all customers) G/G/n: This is the most general queuing system where the arrival and service time processes are both arbitrary. The system has n servers. No analytical solution is known for this queuing system
4. Queuing TheoryExamples of Queuing Arrivals Shoppers Patients Customers Machine breakdowns Finished goods Pharmaceuticals Airplanes Telephone calls Arrivals Factors Arrival distribution When do new customers arrive? At random? In groups or singly? Size of population from which customers are drawn Is the population effectively infinite or is it small enough that each arrival means one less new customer in the future?
5. Queuing TheoryExamples of Queuing Servers Clerks Doctor Operating teams Stock Repair persons Dealer Pharmacy in hospital Runways Circuits Fire fighters Service factors Service time distribution – how long it takes to serve an arrival Number of parallel channels or servers how many checkout counters at the grocery store How many stages of service there are
6. Queuing TheoryExamples of Queuing The Queue Checkout line In waiting room Waiting list Back orders Broken machines Inventory Stack in air Uncompleted calls Burning buildings Queue factors How many queues -- one or more than one? Service priority among customers. Possibilities include first come first served
7. Airport Conditions in Good Weather Capacity of 120 planes per hour # of arrivals = # of departures 3 runways in operation, 2 runways used for arrivals 45-60 arrivals per hour Cost of Delays $350 per plane per hour for a 19 seat plane $1500 for a 150 seat plane $600 for regional jets Passenger cost of waiting is $25 per hour
8. Delayed flight is one arriving or departing 15 minutes past schedule 70% plane capacity Describe the operating conditions, average delay times (i.e. waiting times), and operational and passenger delay costs What proportion of flights will be delayed?
9. Inclement Weather In bad weather 2 runways for both arrival and departure Capacity of 45 planes per hour Severe Weather 10 days per year 1 runway for both arrivals and departures Capacity of 30 planes per hour
10. Problem Describe relevant operating conditions for these moderate and severe weather conditions and associated costs for the three types of planes. proportion of flights will be delayed? What would happen if an additional runway costing $1 million was built Should it be built? Most efficient use of it? Assuming 18 hour days and 365 operating days
24. Recommendations With the savings being nearly $2 million per year, it is a no-brainer to add another runway. The most efficient way to use the new runway would be for departures when all runways are in use. During inclement weather it would be use for both arrivals and departures.