Wireless Bicycle Controller Coordination
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Solution Overview
Problem
Existing bicycle control systems require electrical connections between components, which can be cumbersome and limit the design flexibility and wireless communication capabilities.
Innovation Solution
A bicycle control system featuring wireless communication between controllers for components like front and rear derailleurs, eliminating the need for cables and enabling simplified operation and synchronization of gear shifts through wireless signals and actuators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electrical cables are used to connect controllers, then reliable electrical connection is achieved, but device complexity and ease of operation deteriorate due to cable management requirements
Solution Approach 1:
The patent replaces mechanical cable connections with wireless communication (Bluetooth, Wi-Fi, or other wireless protocols) between the first controller and second controller. This eliminates the need for physical electrical cables while maintaining reliable data transmission for coordinating the front and rear derailleurs, directly resolving the contradiction by substituting a mechanical connection system with a wireless communication system.
2Ease of operation
If wireless communication is implemented between controllers, then ease of operation and design flexibility improve, but device complexity increases due to wireless communication components
Solution Approach 1:
The wireless communication capability is segmented into separate communication modules within each controller rather than being integrated into the main control logic. This allows the wireless communication function to be independently managed, updated, and troubleshooted, reducing the overall system complexity while maintaining ease of operation.
Solution Approach 2:
The patent introduces wireless communication protocols (Bluetooth, Wi-Fi) as intermediary layers between the controllers and the operating device. These intermediaries handle the complex communication protocols and data transmission, allowing the main controllers to focus on gear coordination logic, thereby simplifying the overall system architecture while enabling cable-free operation.
3Ease of operation
If wireless communication is used between controllers, then cable-free operation is achieved, but manufacturing precision requirements increase for wireless component integration
Solution Approach 1:
The wireless communication modules are pre-tested and pre-calibrated during the manufacturing process before being integrated into the controllers. This preliminary action ensures that wireless communication components meet precise performance specifications, reducing the need for complex post-assembly adjustments and ensuring reliable operation without compromising manufacturing precision.
4Adaptability or versatility
If multiple controllers are coordinated wirelessly, then adaptability and versatility improve, but loss of information may increase due to wireless signal interference
Solution Approach 1:
The patent implements feedback mechanisms where each controller continuously monitors the status of the other controller and the derailleurs, and transmits this information back through the wireless communication channel. This feedback loop allows for real-time error detection and correction, ensuring that no gear coordination information is lost despite wireless signal transmission, while maintaining high adaptability for coordinating multiple components.
Data Source
AI summary
A bicycle control system comprises a first electrical component and a second electrical component. The first electrical component comprises a first base member, a first movable member, a first actuator, and a first controller. The first movable member is movable relative to the first base member. The first actuator is configured to move the first movable member relative to the first base member. The first controller is configured to control the first actuator. The second electrical component comprises a second base member, a second movable member, a second actuator, and a second controller. The second movable member is movable relative to the second base member. The second actuator is configured to move the second movable member relative to the second base member. The second controller is configured to control the second actuator. The first controller and the second controller are configured to wirelessly communicate.