Elevator Robot Waiting Position Control to Prevent Path Blocking
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Solution Overview
Problem
In elevator systems, autonomous movement devices can block the path for individuals or objects when they board before reaching their destination floor, leading to interference and prolonged stop times.
Innovation Solution
An autonomous movement system that determines the presence of individuals or objects within the elevator car before it stops and adjusts its waiting position based on their needs, allowing for safe and efficient movement by either relocating within the car or coordinating with other devices to avoid path interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the autonomous movement device maintains a fixed waiting position in the elevator car, then the device structure is simple, but the movement path for persons or objects gets blocked
Solution Approach 1:
The waiting position of the autonomous movement device is changed from a fixed static position to a dynamic adjustable position. The device moves to different waiting positions within the elevator car based on real-time detection of persons or objects, thereby avoiding path blocking while maintaining simple overall device structure.
Solution Approach 2:
The system uses detection means to monitor the presence of persons or objects in the elevator car, and based on this feedback information, the control means adjusts the waiting position of the autonomous movement device accordingly. This closed-loop feedback mechanism prevents path blocking without adding complex mechanical structures.
2Device complexity
If the autonomous movement device waits at a fixed position, then the control system is simple, but the elevator stop time is prolonged
Solution Approach 1:
The system performs preliminary detection of persons or objects before the elevator stops. Based on this advance information, the autonomous movement device pre-adjusts its waiting position to an optimal location that minimizes blocking. This preliminary action reduces elevator stop time without requiring complex real-time control during the stopping process.
Solution Approach 2:
The waiting position is dynamically adjusted based on the detected locations of persons or objects. By optimizing the waiting position dynamically rather than using a fixed position, the system reduces the time the elevator needs to stop while keeping the control system relatively simple.
3Ease of operation
If the autonomous movement device does not adjust its waiting position, then the device operation is simple, but interference with persons or objects occurs
Solution Approach 1:
The system incorporates detection means that continuously monitor the elevator car environment. When persons or objects are detected, this feedback triggers the control means to adjust the waiting position, thereby avoiding interference while keeping the overall operation simple and intuitive.
Solution Approach 2:
The autonomous movement device autonomously adjusts its own waiting position based on detected environmental conditions without requiring external intervention or complex operational procedures. This self-service capability prevents interference with persons or objects while maintaining ease of operation.
Data Source
AI summary
An autonomous movement system according to an embodiment is an autonomous movement system that performs autonomous movement in a facility including an elevator, in which the autonomous movement system moves a waiting position in a car of the elevator, based on a person that gets on the car or an object that gets on the car. The autonomous movement system may determine the person or the object before the car stops at a floor or before a car door opens.