Bicycle Controller Dynamic Power Management
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Solution Overview
Problem
Existing bicycle controllers do not effectively manage power distribution from a single battery to multiple bicycle components, leading to inefficient energy use and potential component shutdowns due to varying battery charge levels.
Innovation Solution
A bicycle controller with an electronic control unit that dynamically adjusts power consumption among multiple components based on battery charge levels, shifting ratios, and operational modes to ensure continuous functionality and extended battery life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If power is supplied to multiple bicycle components from a common battery, then the functionality and versatility of the bicycle system is improved, but the battery charge level decreases more rapidly
Solution Approach 1:
The system dynamically adjusts the operation state of bicycle components based on real-time battery charge levels. The electronic control unit monitors battery status and automatically switches components between operational and stopped states, making the power consumption characteristics adaptable to changing energy availability rather than fixed
Solution Approach 2:
The system changes operational parameters by switching components between different states (operational/stopped) based on battery charge thresholds. This parameter change approach allows the system to optimize power consumption by adjusting which components are active according to the current energy state of the battery
2Duration of action of stationary object
If power consumption of bicycle components is reduced by limiting operation, then battery life is extended, but the functionality and performance of components is degraded
Solution Approach 1:
The system provides dynamic power management where component operation is adjusted in real-time based on battery charge levels. This allows the system to maintain full functionality when energy is abundant while automatically reducing operations to essential functions only when energy is scarce, optimizing the balance between battery life and functionality
Solution Approach 2:
The system performs preliminary assessment of battery charge levels before determining component operation states. By monitoring battery status in advance and predicting energy availability, the system can make informed decisions about which components to operate or stop, preventing complete power depletion while maintaining necessary functionality
3Productivity
If the shifting ratio is fixed to a high or low ratio, then the mechanical efficiency is improved, but the adaptability to different riding conditions is reduced
Solution Approach 1:
The shifting device transitions from a fixed ratio system to a dynamic adjustment system. The electronic control unit enables real-time modification of shifting ratios based on battery charge levels and riding conditions, allowing the system to optimize mechanical efficiency for current conditions while maintaining adaptability to changing requirements
Data Source
AI summary
A bicycle controller and a bicycle control system are provided that effectively supply power from one battery to a plurality of bicycle components. The bicycle controller includes an electronic control unit that controls power consumed by a plurality of bicycle components. The power is supplied from a common battery. The bicycle components include at least a first component and a second component. In a case where a charge amount of the battery is a first level, the electronic control unit reduces the power of the battery consumed by the first component. In a case where the charge amount of the battery is a second level that is lower than the first level, the electronic control unit reduces the power of the battery consumed by the second component.