Wireless Reconnection for Human-Powered Vehicle Electric Units
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Solution Overview
Problem
Existing human-powered vehicle electric units face challenges in usability due to difficulties in reconnecting wireless communicators after disconnection.
Innovation Solution
The implementation of a first electric device with a wireless communicator, an electric actuator, and an electronic controller that allows for automatic reconnection of wireless communicators based on user input, both in connection and disconnection states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless communicators are disconnected to allow additional connections, then connectivity versatility is improved, but reconnection reliability deteriorates
Solution Approach 1:
The system performs preliminary actions by maintaining paired connection information in memory even when disconnected. When reconnection is needed, the system retrieves the stored paired information and automatically initiates reconnection without requiring manual pairing procedures, thus ensuring reliable reconnection while allowing multiple connections.
Solution Approach 2:
The system implements feedback mechanisms where the wireless communicators continuously exchange connection status information. When disconnection is detected, the system receives feedback about the disconnection state and automatically initiates reconnection procedures using stored paired information, ensuring reliable reconnection while maintaining the ability to connect to multiple devices.
2Ease of operation
If automatic reconnection is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The system implements self-service by enabling wireless communicators to automatically reconnect using pre-stored paired connection information. The reconnection process occurs without requiring user intervention or manual configuration, significantly improving ease of operation. The complexity is managed by using existing memory structures for storing paired information rather than requiring complex real-time negotiation protocols.
3Adaptability or versatility
If multiple wireless connections are maintained, then adaptability is improved, but connection management complexity increases
Solution Approach 1:
The system segments connection management by maintaining separate paired connection information for each wireless communicator in memory. This segmentation allows the system to independently manage multiple connections without interference. Each connection has its own stored paired information, enabling selective reconnection to specific devices while avoiding the complexity of managing all possible connection states simultaneously.
Data Source
AI summary
A first electric device comprises a first wireless communicator, an electric actuator, and a first electronic controller. The first electronic controller is configured to control the electric actuator to generate the actuation force based on a user input received by the second electric device in a connection state where the first wireless communicator is paired with the second wireless communicator and where the first wireless communicator is wirelessly connected to the second wireless communicator. The first electronic controller is configured to control the first wireless communicator to reconnect to the second wireless communicator based on the user input received by the second electric device in a disconnection state where the first wireless communicator is paired with the second wireless communicator and where the first wireless communicator is wirelessly disconnected from the second wireless communicator.