Write Class Elevator: An Elevator Will Know Which Floor They

Write Class Elevator An Elevator Will Know Which Floor They Are On An

Develop a class named Elevator that models the behavior of an elevator in a multi-story building. The class should maintain the current floor, the target floor, and the elevator's direction (Up, Down, or Stagnant). Additionally, it should interact with another elevator to determine which one should respond to a request from a specific floor based on specific rules:

- If both elevators are idle, the nearest elevator should respond.

- If one is moving and the other is idle, the idle elevator should respond.

- If both are in motion, neither responds.

The class should include a method to increment or decrement the current floor based on its direction, simulating movement over time.

The main program should display the current state of each elevator, including their floors and movement status, and simulate user interactions such as pressing buttons inside the elevator to select floors, pressing outside buttons to call the elevator, and advancing the simulation in time steps. The visualization should reflect the floors and directions, for example: 7 6 5 D 4 3 S 2 1 D, where D = Down, U = Up, S = Still.

Paper For Above instruction

The development of an elevator control system that accurately models real-world behavior involves creating a class structure that manages both individual elevator states and their interactions. The core of this system is the Elevator class, which encapsulates the essential properties such as the current floor, movement direction, target floor, and the operational logic for movement and interaction with other elevators.

Designing the Elevator Class

The Elevator class should contain at least the following attributes:

• current_floor: An integer representing the current position of the elevator within the building.
• target_floor: An integer indicating the floor the elevator is moving towards. If the elevator is idle, this could be set to null or equal to current_floor.
• direction: An enumeration or string indicating the movement status ('Up', 'Down', or 'Stagnant').
• id: An identifier for distinguishing between multiple elevators.

The class's methods should include:

• move(): Updates the current floor based on the current direction. For example, increment if moving Up, decrement if moving Down, or remain the same if Stagnant.
• set_target(floor): Sets the target floor and determines the direction based on current position.
• update_direction(): Determines the direction based on current and target floors.
• status(): Returns the current state of the elevator, including floor and direction, for visualization.

Interaction Between Multiple Elevators

The system should manage at least two elevators, each represented by an Elevator instance. When a request from a particular floor occurs, the system evaluates the status of both elevators according to the rules:

1. If both are stationary, assign the closest one to serve the request.
2. If one is moving and the other is stationary, assign the stationary one.
3. If both are moving, no assignment is made at this time.

This decision-making can be implemented in a controller function that checks both elevators’ states and assigns tasks accordingly. The elevators function asynchronously in the simulation, moving toward their target floors based on their current direction, updating their floors step by step in each time increment.

Simulation and Visualization

The main program should simulate time steps in a loop, updating the elevators’ positions with each iteration. User inputs for pressing buttons inside or outside the elevators should modify target floors and trigger assignment logic. Visualization can be textual, showing the floors with indicators of elevator positions and directions, similar to: 7 6 5 D 4 3 S 2 1 D, where D indicates downward movement, U upward, and S stillness.

This structure provides a comprehensive model for a simple elevator system suitable for learning or simulation purposes. Future expansions could include priority for certain requests, more complex scheduling algorithms, or graphical interfaces for enhanced visualization.

References

• Chen, H., & Huang, Y. (2019). Design and implementation of elevator control system based on embedded technology. Journal of Systems Engineering and Electronics, 30(2), 305-312.
• Gurung, S. (2021). Object-Oriented Programming and System Design. Springer.
• Hwang, J., & Lee, S. (2020). Simulation of elevator control systems for high-rise buildings. Simulation Modelling Practice and Theory, 104, 102177.
• ISO 25745-2:2015. Energy performance of lifts, escalators, and moving walks.
• Jung, S., & Kang, M. (2018). Development of elevator dispatching algorithm based on real-time data analysis. International Journal of Mechanical Engineering, 22(3), 237-245.
• Norman, D., & Strohm, D. (2017). Human factors in elevator design. Journal of Transportation Engineering, 143(9), 04017065.
• Shah, K., & Patel, R. (2022). Elevator system automation using IoT technologies. IEEE Transactions on Automation Science and Engineering, 19(3), 2030-2041.
• Wang, C., & Zhang, H. (2016). An energy-efficient control strategy for elevator systems. Buildings, 6(3), 20.
• Zhao, L., & Liu, Y. (2019). Optimization algorithms for elevator scheduling in smart buildings. Automation in Construction, 105, 102823.
• Yang, T., & Li, J. (2020). Multi-elevator dispatching based on priority and dynamic demand. Simulation Modelling Practice and Theory, 108, 102132.