Given a cruise control system (CCS), while engine is started, while the driver p

Question

Given a cruise control system (CCS), while engine is started, while the driver press the Set button first, the CCS will starts (on). Press button “+” if CCS started, the speed will be increased by 1, press button “-“, the speed will be decreased by 1. Any time while CCS is on, the driver press gas pedal, the speed will be increased (more than 1). Any time while CCS is on, if the driver press break pedal, CCS will stop. If the speed is less than 30 miles/hr or more than 95 miles/hr, CCS cannot be started. Please define the use case diagram, class diagram, state diagram, sequence diagram and activity diagram using correct UML notations. 1. Construct a use case diagram by a. Identifying actors and use cases of the system, finish the use case description table (a sample table is shown in the following) and b. Building a use case diagram using correct UML notation. 2. Construct a class diagram by a. Identifying and defining all necessary classes, and b. Building a class diagram using correct UML notation. 3. Construct a state diagram, you need to a. I dentify and correctly define all necessary states, and b. Build a state diagram using correct UML notation. 4. Construct a sequence diagram, you need to a. Identify and correctly define all necessary objects that are consistent with those in your class diagram (in 2), and b. Build a sequence diagram with correct execution sequence for each object using correct UML notation. 5. Construct a activity diagram using correct UML notation Use case description table (sample):

Explanation / Answer

Cruise Control System that is responsible for auto-matically controlling the speed of the car.

UML there are five diagrams available to model dynamic nature and use case diagram is one of them. Now as we have to discuss that the use case diagram is dynamic in nature there should be some internal or external factors for making the interaction.

use case diagram

A use case is a methodology used in system analysis to identify, clarify, and organize system requirements. In this context, the term "system" refers to something being developed or operated, such as a mail-order product sales and service Web site. Use case diagrams are employed in UML (Unified Modeling Language), a standard notation for the modeling of real-world objects and systems.

start-------------------------->        set button --------- <<includes>> ------------> +

                                                  - decreased

The class diagram describes the attributes and operations of a class and also the constraints imposed on the system. The class diagrams are widely used in the modelling of object oriented systems because they are the only UML diagrams which can be mapped directly with object oriented languages.

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