Bicycle Electronic Component Pairing Using Power-On Time Matching
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Solution Overview
Problem
Existing electric bicycles face challenges in efficiently pairing electronic components without user intervention, particularly when using removable battery packs, which can lead to mechanical packaging issues and difficulties in pairing with multiple or shared battery packs.
Innovation Solution
A wireless communication system is employed in electric bicycles that uses sensors to detect matching components, enabling automatic pairing by comparing power-on times and initiating communication between components, allowing seamless integration of battery packs and other electronic components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual button pressing is used for pairing electronic components, then pairing can be initiated, but user intervention is required and pairing process is complex
Solution Approach 1:
The system performs preliminary actions by automatically detecting component proximity and initiating pairing protocols without waiting for user input. The processor monitors communication interfaces continuously and automatically starts pairing when components are detected to be in proximity, eliminating the need for manual button pressing.
Solution Approach 2:
The pairing system serves itself by automatically managing the entire pairing process including detection, authentication, and connection establishment. The electronic components autonomously exchange pairing information and configure communication parameters without requiring external user intervention or control.
2Adaptability or versatility
If removable battery packs are used, then battery flexibility is improved, but mechanical packaging issues and pairing difficulties arise
Solution Approach 1:
The pairing system is designed to work universally with multiple battery pack types and electronic components. The communication protocol and detection mechanism are standardized to accommodate different removable battery packs, allowing the same pairing system to handle various component configurations without requiring type-specific procedures.
Solution Approach 2:
The system replaces mechanical packaging solutions with wireless communication-based pairing. Instead of using physical connectors or mechanical alignment features for pairing, the system uses electromagnetic communication between processors to detect and pair components, eliminating mechanical complexity while maintaining versatility.
3Reliability
If wired communication networks are used, then reliable communication is achieved, but communication flexibility and wireless pairing are limited
Solution Approach 1:
The system uses wireless communication as an intermediary layer between the battery pack and electronic components during the pairing phase. The wireless interface allows components to detect and establish connections without physical contact, while maintaining communication reliability through error checking and authentication protocols similar to wired systems.
Data Source
AI summary
An electronic component for a bicycle includes a communication interface and a processor in communication with the communication interface. The processor is configured to identify a first power on time. The first power on time identifies a time at which the electronic component was powered on by a power source of the bicycle. The processor is configured to listen for one or more messages after the electronic component is powered on and receive, via the communication interface, a message of the one or more messages. The received message is from another electronic component of the bicycle and identifies a second power on time. The second power on time is for the other electronic component. The processor is configured to compare the second power on time to the first power on time and initiate, based on the comparison, pairing of the other electronic component with the electronic component.