Notification System Controller for Selective Visitor Alerts
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Solution Overview
Problem
Existing notification systems for facility visits do not discriminate between appropriate and inappropriate users within the facility, leading to unnecessary notifications.
Innovation Solution
A control method for a notification system that detects visitors and determines the current relationship between users to selectively notify appropriate users based on their relationships, using sensors and a controller to manage notifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If notification is made for all visitors regardless of user state, then visitor detection coverage is improved, but inappropriate notifications increase
Solution Approach 1:
The notification system applies different notification rules based on the local state of each user. When a user is in an inappropriate state (e.g., sleeping, bathing, in a meeting), the system selectively suppresses notifications for that specific user while maintaining notifications for other users. This localized differentiation resolves the contradiction by ensuring notification accuracy without generating inappropriate notifications.
Solution Approach 2:
The system dynamically adjusts notification behavior based on real-time user states detected by sensors. The notification decision is not static but changes according to the current state of users (e.g., active, sleeping, in meeting). This dynamic adaptation allows the system to maintain high notification accuracy while avoiding inappropriate notifications by responding to changing conditions.
2Reliability
If notification discrimination based on user relationship is implemented, then notification appropriateness is improved, but system complexity increases
Solution Approach 1:
The system performs preliminary detection of user states and identification of user relationships before generating notifications. By pre-establishing relationship data and pre-detecting user states, the system prepares the necessary information in advance, making the notification decision process more efficient. This preliminary action reduces the computational burden during actual notification events, thereby managing system complexity while maintaining high appropriateness.
Solution Approach 2:
The system introduces an intermediary control device that manages the complex logic of notification discrimination. This intermediary component receives visitor detection information, queries user relationship data, determines appropriate notification targets based on relationships and states, and then triggers notifications. By centralizing the decision-making logic in a dedicated intermediary component, the system achieves high notification appropriateness while keeping the overall architecture manageable.
Data Source
AI summary
A control method for a notification system including a notification device located in a facility, the control method including: detecting a visitor to the facility based on detection information from a first sensor; obtaining a current relationship between a first user and a second user present in the facility; and when a visitor to the first user is detected in the facility, notifying the second user of a visit by the visitor by using the notification device based on the current relationship.