Elevator Interface Fixtures Centralized Server Control
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Solution Overview
Problem
Elevator system fixtures, particularly destination entry systems, face economic infeasibility for wholesale updates due to individual processors and components, making it costly to replace and customize these devices to keep up with technological advancements and changing design expectations.
Innovation Solution
A centralized server system communicates with multiple elevator passenger interface devices, processing input and output, eliminating the need for processing capacity at each device and allowing for efficient updates and customization without modifying existing hardware, using prestored files and virtual instances to manage a large number of devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If each individual fixture has its own processor and components, then the fixture can operate independently, but the cost of updating and replacing fixtures becomes economically unfeasible
Solution Approach 1:
The processing capability is extracted from individual fixtures and centralized in a server. Each fixture becomes a simple display device without its own processor, while the server handles all processing tasks for multiple fixtures simultaneously.
Solution Approach 2:
Multiple fixtures share a common server for processing operations. The server consolidates processing resources that would otherwise be duplicated in each individual fixture, enabling cost-effective updates and maintenance.
2Adaptability or versatility
If destination entry fixtures are updated to keep up with technological advancements, then the system remains modern and functional, but wholesale replacement of fixtures is economically unfeasible
Solution Approach 1:
A single server provides processing services to multiple fixtures, enabling one update to benefit numerous devices simultaneously. This universal approach allows technological advancements to be deployed system-wide without replacing each fixture individually.
Solution Approach 2:
The processing logic is copied from individual fixtures to a centralized server, which then serves all fixtures. This allows the system to leverage the processing power of modern servers while keeping fixture hardware simple and inexpensive.
3Ease of operation
If fixtures are customized to meet changing design expectations, then user experience improves, but the cost and complexity of customization increases
Solution Approach 1:
Customization is moved from the hardware dimension to the software dimension. The server handles customization through software configurations and content delivery, allowing design changes without modifying physical fixture components.
Data Source
AI summary
An exemplary system for communicating with an elevator passenger includes a plurality of elevator passenger interface devices configured to allow an elevator passenger to indicate at least an elevator service request. The interface devices are configured to communicate at least elevator service information to an elevator passenger. A server communicates with the plurality of interface devices. The server is configured to determine when there is input at any of the interface devices. The server is configured to determine a meaning of such input. The server is also configured to determine output to provide at the corresponding interface device and to communicate the determined output to the corresponding interface device. The determined output is responsive to the determined meaning of the input.