Analysis of Control System for an Electric Kettle

Assignment Overview:

In this assignment, students are required to analyze the control system of an electric kettle $($Figure

$.$ They will be required to describe the operational principle, create a block diagram of the

system, identify the type of control mechanism used, recognize the disturbances involved, and

explain how the system maintains robustness against identified disturbances.

System Description:

An electric kettle is a common household appliance designed to boil water. The system ensures

that the water is heated to its boiling point and automatically turns off once this temperature is

reached. The kettle effectively handles disturbances.

Assignment Objectives:

Understand and describe the operational principle of an electric kettle's control system.

Develop a block diagram representing the control system of the electric kettle.

Identify and analyze the control mechanism used in the kettle.

Recognize and describe different types of disturbances that can affect the kettle's operation.

Explain how the system inherently handles these disturbances to maintain its robustness.

Assignment Tasks:

Operational Principle Description:

System Functionality: Describe the operational principle of the electric kettle's

control system. Investigate how the kettle detects that the water has reached its

boiling point and how it automatically turns off. Provide conceptual drawing.

Boiling Control: Identify and explain the method used to control the temperature

and prevent overheating.

Disturbance Analysis:

Identify Disturbances: Identify and discuss the types of disturbances that can

affect the kettle's operation.

Robustness Against Disturbances: Explain how the control system of the kettle

is designed to handle these disturbances. Discuss what makes the system robust and

reliable in varying conditions.

Block Diagram Development:

Block Diagram Creation: Develop a block diagram that represents the operation

of the electric kettle. Include the major components such as the heating element,

temperature detection mechanism, power supply, and the switching mechanism that

controls the heating process.

System Flow: Explain the flow of operations within the system based on the block

diagram.

Identify Limitations:

Control System Limitations: Discuss the limitations of the electric kettle's control

system.

Discussion and Conclusion:

Control Mechanism Identification: Based on your analysis, identify the specific

type of control mechanism used in the kettle. Discuss its advantages and potential

limitations$.$

System Robustness: Provide a summary of how the kettle's control system ensures

consistent performance despite disturbances.