Wireless Bicycle Control Using Positional Relationship Detection
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Solution Overview
Problem
Existing human-powered vehicles lack a flexible control system that can adjust devices based on the positional relationship between components without the need for electric cables, allowing for precise and reliable control with a simple structure.
Innovation Solution
An electric device in a human-powered vehicle uses wireless communicator circuitry to determine the positional relationship between components, generating control signals based on directional and angular information to control devices such as seatposts, gear changers, suspensions, brakes, and assist drive units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If wireless communicator circuitry is used to determine positional relationships, then control flexibility and simplicity are improved, but measurement precision and reliability may worsen
Solution Approach 1:
The patent introduces wireless communicator circuitry as an intermediary to detect positional relationships between components. The first wireless communicator circuitry in the electric device communicates with a second wireless communicator circuitry to obtain directional information and angular data, enabling position determination without direct physical connection or complex cable systems. This intermediary wireless communication system resolves the contradiction by providing a simpler structural approach while maintaining sufficient measurement precision for control applications.
Solution Approach 2:
The patent replaces traditional mechanical positioning systems with wireless communication-based position detection. Instead of using mechanical cables, physical connectors, or direct mechanical linkages to determine component positions, the system uses electromagnetic wireless signals exchanged between wireless communicator circuitries. This substitution eliminates mechanical complexity while providing the necessary positional information for control decisions, thereby improving device simplicity without completely sacrificing measurement capability.
2Ease of operation
If electric cables are omitted for positional detection, then ease of operation and flexibility are improved, but reliability of control may worsen
Solution Approach 1:
The wireless communicator circuitry acts as a reliable intermediary for transmitting positional information without physical cable connections. The first wireless communicator circuitry receives wireless signals from the second wireless communicator circuitry, extracting directional information and angular data to determine positional relationships. This intermediary wireless communication mechanism provides both operational flexibility (no cables) and sufficient reliability for control applications by using standardized wireless communication protocols and signal processing techniques.
Solution Approach 2:
The system implements feedback through wireless communication where the first wireless communicator circuitry continuously obtains positional information from the second wireless communicator circuitry. This feedback loop enables real-time detection of positional relationships, allowing the control system to adjust device operation based on current positions without cable connections. The continuous wireless feedback maintains reliability by providing up-to-date positional data for control decisions.
Data Source
AI summary
An electric device of a human-powered vehicle comprises first wireless communicator circuitry and electronic controller circuitry. The first wireless communicator circuitry is configured to wirelessly communicate with second wireless communicator circuitry of a second electric device. The electronic controller circuitry is electrically connected to the first wireless communicator circuitry. The electronic controller circuitry is configured to obtain information relating to a positional relationship between the first wireless communicator circuitry and the second wireless communicator circuitry so as to generate at least one control signal based on the information.