UML

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Augusta University *

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3360

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Electrical Engineering

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Apr 3, 2024

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04/17/2023 UML - class diagrams 1. Design a software system and draw class diagrams: The class diagram for the software system can be as follows. The software system for the transportation management system can be designed using object-oriented programming principles. The system can be divided into different classes, such as Central Control Center, Regional Control Center, Sensor Network, Traffic Data, Public Transportation Data, Real Time Information, Routing, Incident Management, Budget Management, and User Interface. 2. Sketch some class definitions, e.g., key fields, declaration of key methods: a) Central Control Center  List of Regional Control Centers  List of Sensor Networks  Traffic Data  Public Transportation Data II. Methods:  collect Data(): collects data from all regional control centers and sensor networks  analyze Data(): analyzes data to create a comprehensive view of the transportation network  provide Real Time Information(): provides real-time information to the public through various communication channels b) Regional Control Center I. Key Fields:  List of Sensor Networks  Traffic Data  Public Transportation Data II. Methods:  collect Data(): collects data from sensor networks within the region.  analyze Data(): analyzes data to create a view of the transportation network within the region.

04/17/2023  provide Real Time Information(): provides real-time information to the public within the region  manage Incident(): manages incidents within the region. c) Sensor Network I. Key Fields:  Traffic Data  Weather Data  Incident Report II. Methods:  collect Data(): collects data on traffic flow, weather conditions, and incident reports  transmit Data(): transmits data to regional control centers and the central control center for analysis. 3. High-level description of the system (self-contained): The transportation management system is a comprehensive software system designed to manage and monitor traffic flow, public transportation, incidents, and provide real-time information to the public. The system is composed of several classes, including the Central Control Center, Regional Control Centers, Sensor Networks, Traffic Data, Public Transportation Data, Real-Time Information, Routing, Incident Management, Budget Management, and User Interface. The Central Control Center acts as the main hub for the system and collects data from all regional control centers and sensor networks. The system analyzes the data to create a comprehensive view of the transportation network and provides real-time information to the public through various communication channels. The system also includes incident management to manage and resolve incidents, routing to determine the best routes for public transportation, and budget management to allocate resources efficiently. 4. Draw UML class diagram.

04/17/2023

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04/17/2023 5. Must include generalization, composition, and aggregation: Generalization: The Central Control Center, Regional Control Centers, and Sensor Networks are subclasses of the Control Center, which is a generalization of all control centers in the system. Composition: The Control Center class has a composition relationship with Traffic Data, Public Transportation Data, and Real-Time Information classes, which are part of the control center. Aggregation: The Incident Management class has an aggregation relationship with Incident Report class, which aggregates all incident reports in the system. 6. Discuss your design from the perspective of the four OOP principles: a) Encapsulation: Each class in the system encapsulates its data and methods. For example, the Central Control Center class encapsulates its list of regional control centers, sensor networks, and the methods to collect and analyze data and provide real-time information. b) Abstraction: The classes in the system are designed to be abstract and provide a high-level view of the transportation management system. For example, the Control Center class abstracts the common attributes and behaviors of all control centers in the system. c) Inheritance: The Central Control Center, Regional Control Centers, and Sensor Networks inherit from the Control Center class, which allows them to share common attributes and behaviors. d) Polymorphism: The classes in the system exhibit polymorphism by implementing the same methods in different ways. For example, the collect data() method is implemented differently in the Central Control Center, Regional Control Centers, and Sensor Networks to collect data from different sources. The provide real-time information() method is implemented differently in the Central Control Center and Regional Control Centers to provide real-time information to the public in different regions. The transportation management system is a comprehensive system for large cities and states to manage their transportation infrastructure and services more efficiently. The system integrates data from various sources, such as traffic cameras and GPS devices on public transportation vehicles, to provide real-time information about traffic conditions, public transportation schedules, and road closures. The system is composed of several components, including a central control center, regional control centers, and various sensor networks, which work together to optimize the transportation network. The central control center collects and analyzes data from all regional control centers and sensor networks to create a comprehensive view of the transportation network. The regional control centers are responsible for collecting and analyzing data from sensor networks within their regions, managing incidents, and providing real-time information to the public within their regions. The sensor networks collect data on traffic flow, weather conditions, and incident reports, which are transmitted to the regional control centers and the central control center for analysis. The system also includes tools for city officials to plan

04/17/2023 and optimize transportation routes, manage transportation budgets, and monitor compliance with regulations. The system provides real-time information to the public through various communication channels and provides efficient routing options to drivers based on real-time traffic conditions, weather conditions, and incident reports. The four OOP principles are encapsulation, inheritance, polymorphism, and abstraction. Encapsulation: The system design uses encapsulation by hiding the implementation details of classes, such as the central