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Human Factors in System Design (pdf)

   

Added on  2021-06-14

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Running head: HUMAN FACTORS IN SYSTEM DESIGNInteractive System: Automated Train Ticket Vending AutomatedName of Student-Name of University-Author’s Note-

HUMAN FACTORS IN SYSTEM DESIGN1Introduction The usability of an interactive system is basically evaluated by an interactive system. Theusability engineering is considered as a methodology for evaluating the application includingusers, developers, and contributors. This report elaborates the usability issues of the presentsystems of automatic ticket vending machines. The user requirement is to be considered and theoperations that are performed by user are used to analyze the usability of the ticket vendingmachine. This report consists of elaborate studies of the ticket vending machines mitigating thedrawback of the present system. In this report, a detailed structure of the ATVM (Automated Train Ticket VendingMachine) is proposed that allows the user to buy tickets from those machines. The user can avoidthe headache of standing in a queue in reservation counter of railway system. The system that isproposed in this report deal with ticket vending in an automatic way with functional humaninteraction with the system. A ticket vending machine is usually user friendly for the user to use.The issues that are faced in present ticket vending machines are mitigated by the proposedinterface that is elaborated in this report. The interface that is described in this system provides agood user interface. Part ONE: Interactive System and its respective UsersWhen the user requests for ticket in the automated machines, the ticket vending machinegenerates ticket for them. The ticket vending machine is basically built with an interface that theuser finds easy to use and the system is user friendly as well. The interface of the ticket vendingmachine basically has the Menu link, which allows the user to select the preferred option bythem. The Menu link consists of different options such as search trains, checks availability,

HUMAN FACTORS IN SYSTEM DESIGN2Choose from Map, make payment and generate ticket. The user can select any option from thelist of menu to proceed with their ticket purchasing. The instructions are given on the screen aswell about how to proceed with the purchase. The main goal of the ticket vending machineallows the user to purchase tickets from the railway system that will be used by the user whiletravelling. The user needs to check the train availability first in which he/she wants to travel. Theuser can also put the starting place as well as the destination place in the system to check theavailability of train. If the train is available, the user can click the purchase link for purchasingthe ticket. After purchasing the ticket, the user can generate the ticket. While vending a ticket,the user has to fill all the fields that are needed to buy the tickets. The number of traveller whowill travel is to be entered by the user to proceed with the purchasing. Otherwise, the machinewill take only one passenger as a default. Then the user will have to select the paying option thathe wills to. There are many paying options that include credit card, debit card, net banking, andcash. The present existing machine have an issues of making the payment by cash. Usually, thesystem cannot return the change if the user gives more cash than the required cost of the ticket.This proposed interface of ticket vending machine allows the user to buy the tickets even withcash and returns the change to the user through cash dispenser. And finally the user can generatethe ticket for travelling. Part TWO: Use CasesThe system that is proposed in this report consists of a ticket vending machine thatprovides the users to buy tickets from the machine. The main work of this machine is to providethe user with travelling tickets for train. Both hardware and software is needed for the systembuilt up. This use case shows three actors who are related with the system.

HUMAN FACTORS IN SYSTEM DESIGN3AUTOMATIC TICKET VENDING MACHINESearch TrainsBankAdmins the SystemAdministratorUserTechnicianHeadquarter of Railway SystemChoose place from MapEnter Source, DestinationMake PaymentPaying Exact FarePayment Through CardGenerate TicketManages the Information SystemManages the Printing SystemFigure 1: Use Case Diagram of Ticket Vending Machine(Source: Created by Author)The above diagram shows the use case of the ticket vending machine. The operations thatare performed by the user, the technician or the administrator are shown in the use case diagram.The bank and the system of railway also plays a role in the system of ticket vending machine.For purchasing the ticket, the user needs to provide a valid destination and the source place thatwill helps the user to purchase the ticket. The user can choose the places from the map as well

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