Coffee Machine Process

Timing Diagram

Coffee Machine Process - Timing DiagramCoffee Machine Process - Timing DiagramUserWaitingPress StartCollect CoffeeWaitingMachineIdleProcessingGrindingBrewingDoneIdleGrinderOffRunningOff058163136

Description

Timing diagram showing the coordinated process of making coffee in an automated machine, illustrating how different components work together in a time-synchronized manner.

Coffee Machine Process - Timing Diagram

This timing diagram illustrates the coordinated process of making coffee in an automated coffee machine, showing how different components work together in a time-synchronized manner.

Key Participants (Lifelines):

  • User: The person operating the coffee machine
  • Machine: The main control system that coordinates all operations
  • Grinder: Mechanism that grinds coffee beans fresh for each brew

Process States and Timeline:

1. Initial State (0-5s)

  • User: Waiting to start the process
  • Machine: In idle state, ready to accept commands
  • Grinder: Off and ready

2. Activation Phase (5-8s)

  • User: Presses the start button to initiate brewing
  • Machine: Detects button press and begins processing
  • Grinder: Still off (about to start)

3. Grinding Phase (8-16s)

  • User: Waiting while machine operates
  • Machine: Controls grinding process
  • Grinder: Actively grinding coffee beans to optimal consistency

4. Brewing Phase (16-31s)

  • User: Still waiting for completion
  • Machine: Coordinating the brewing process with heated water
  • Grinder: Finished grinding, now off

5. Completion Phase (31-36s)

  • User: Collects finished coffee
  • Machine: Process complete, ready for next cycle
  • Grinder: Remains off

6. Reset Phase (36s+)

  • User: Returns to waiting state
  • Machine: Returns to idle state
  • Grinder: Remains off until next cycle

Key Features:

Timing Optimization:

  • Sequential operations ensure proper coffee preparation
  • Machine handles internal heating and brewing coordination
  • Components turn off when not needed to save energy

Process Coordination:

  • Machine acts as the central controller
  • Clear state transitions ensure reliable operation
  • Streamlined workflow reduces total brewing time

User Experience:

  • Simple start button operation
  • Predictable timing allows users to plan their wait
  • Ready indicator signals when coffee is available

This timing diagram demonstrates how PlantUML timing diagrams can effectively show the coordination between user actions and system components in a time-based process.