Modular Battery Storage Dynamic Reconfiguration
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Solution Overview
Problem
Current battery systems in vehicles lack dynamic and efficient capacity allocation, leading to suboptimal power management and potential overheating or underperformance in hybrid vehicles, especially in regenerative, boost, and autostart modes.
Innovation Solution
A modular dynamically allocated capacity storage system (MODACS) that includes a housing with source terminals, switches, cells, and sensing modules, controlled by a module that determines the connected configuration of cells based on parameters like voltage, temperature, and state of charge to maximize power levels while adhering to safety limits and operating modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional fixed configuration battery systems are used, then system simplicity is maintained, but power management efficiency deteriorates and overheating risk increases
Solution Approach 1:
The battery system implements dynamic reconfiguration of cell connections through switching modules, allowing the electrical configuration to change based on real-time operating conditions such as temperature, power demand, and state of charge. This enables the system to optimize power management efficiency for different vehicle modes (regenerative braking, boost mode, autostart) while maintaining manageable complexity through automated control algorithms.
2Adaptability or versatility
If fixed battery configuration is used, then manufacturing simplicity is maintained, but adaptability to different operating modes deteriorates
Solution Approach 1:
The battery system is divided into multiple cell groups that can be independently connected in series or parallel configurations. This segmentation allows the system to adapt to different vehicle operating modes by reconfiguring which cell groups are active and how they are connected, while the modular structure maintains manufacturing simplicity through standardized components and assembly processes.
3Productivity
If dynamic reconfiguration is implemented, then power allocation optimization is achieved, but control system complexity increases
Solution Approach 1:
The control system automatically monitors battery parameters (temperature, state of charge, power demand) and self-adjusts the cell connection configuration without external intervention. This self-service capability optimizes power allocation efficiency for different vehicle modes while managing control complexity through automated algorithms that respond to real-time sensor data.
4Reliability
If cells are connected in fixed configuration, then system reliability is simplified, but ability to prevent overheating and overcharging deteriorates
Solution Approach 1:
The battery system incorporates continuous monitoring of cell parameters including temperature, state of charge, and voltage. This feedback information is used by the control system to dynamically adjust cell connections, preventing overheating by isolating hot cells and preventing overcharging by managing charge distribution. This approach enhances safety while managing monitoring complexity through integrated sensor networks and control algorithms.
Data Source
AI summary
A modular dynamically allocated capacity storage system (MODACS) is provided and includes a housing and a control module. The housing includes source terminals, switches, cells, and sensing module. The source terminals supplying power at a first voltage potential to a first plurality of loads and power at a second voltage potential to a second plurality of loads. The cells are configured to supply power to each of the source terminals based on states of the switches. The sensing modules are configured to determine parameters of each of the cells and generate corresponding status signals. The control module is configured to receive a power request signal, and based on the power request signal and the parameters of each of the cells, determine a connected configuration for the cells relative to each other and the plurality of source terminals and set states of the switches according to the connected configuration.