Bit123 System Analysis For Implementation Assessment Answer

Answer:

the actors are the Monitoring System, Grid, and the Plant. The Plant actor transfer power to the Grid actor. The Use Case of Mailing Service include the Use Case of Administrator, Technical Team and Data Server. The error log is the extended Use Case of the Mailing service that is handled by the Monitoring System. The Actor Monitoring System has taken actions on the Use Case of Smart Meter and the Error Log. The Error Use Case report is under the Actor of Monitoring System. Through System Disruption and Normal Function, the Smart Meter Use Case take action of Error and Normal Operations.  

Storing Power

In the Use Case of the above diagram the actors are the Generation Unit and the Grid. The actor Generation Unit transfer power to the Use Case of Conversion Unit which is included in the Smart Meter. The Use Case of the Smart Meter monitors transferred power to the actor Grid. The Actor Grid transfer power further to multiple Use Case of Power Distributors which then further transfer the power to multiple Resident Units. Moreover, The Use Case of Smart Meter monitors power to the Use Case of the Battery which is the extending Use Case of Actor Generation Unit.  

Purpose: The UML Activity diagram describing about the Report of the Error Log

Summary: The Smart Meter is the input parameter of the activity which is the initial action state. The Smart Meter checks for the errors, if it found no error the operation continuous and the plant again start functioning properly and the process continuous or else if the error is found then the report goes in the mailing process. Through the mailing process, the mail is further send to the Administrator, Technical Team and the Data Server. Finally, the Error Log is reported from all the three Activity.

Storing Power

Purpose: The UML Activity diagram describing about the Storing of the Power

Summary: The Power Generated is the input parameter of the activity which is the initial action state. The action flow to the activity where the power gets converted which is then transfer in the battery and in the grid. The power that is transfer to the battery is used for power generation and then again the Power is generated and the process goes on. On the other hand, the power that is transfer to the grid are trying to sell, if not sold it get stored in the grid or else if sold then the power is transferred to the Distributors and the process close with the complete storing and distributors.

Combined Set Of Business Objects Relevant To The Use Cases

The objects relevant to the use cases is the smart meter that monitors the whole process for errors and in case any is determined then it mails the error log and in the second case, it monitors for error in the process of transfer & storage. The list of attributes is as follows:

Use Case	Trigger	Assumption	Precondition	Post condition
Mailing service	Error Log	Error in Operation	Error report received	Mail sent
Smart Meter	System Disruption	Fault in System	Normal Operation	Send error notification

 

Use Case	Trigger	Assumption	Precondition	Post condition
Smart Meter	Power transfer	Power is transferred	Power is generating	Power stored
Battery	Power received	Power can be stored	Power receiving	Supply power to generating unit
Power distribution	Power received from grid	Power can be distributed	Receiving power	Distribute power

The domain class model provides the classes of the system. This helps the developer to assume the classes of the system and form the data storage accordingly. The domain class model of the NPC system provides the classes of the system such as Home owners, power, report, installation and controller. The residential systems have been inherited from the home owners and the power class has to interfaces the battery and the inverter. The information is very important as this would provide the system with the information about the power storage facilities. The classes provide the information about the different aspect of the power storage and error logs.

Bibliography:

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Kabalci, Y., Kabalci, E., Canbaz, R., & Calpbinici, A. (2016). Design and implementation of a solar plant and irrigation system with remote monitoring and remote control infrastructures. Solar Energy, 139, 506-517.

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