Battery Management System Auto-Addressing via Microprocessor
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Solution Overview
Problem
Existing battery management systems face issues with incorrect address selection and degradation of DIP switches in distributed networks, leading to potential miscommunication and operational errors.
Innovation Solution
A battery management system that uses a microprocessor to identify a non-modifiable node ID from a hardware component, compute a network ID, and transmit operational parameters through a communication bus to a main controller, ensuring accurate and reliable data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If DIP switches are used to select component addresses in a distributed network, then address selection is possible, but incorrect address selection and address conflicts occur
Solution Approach 1:
The system automatically assigns unique addresses to components using a deterministic algorithm based on component identification and network configuration, eliminating manual DIP switch configuration. This self-addressing mechanism prevents human error in address selection while ensuring unique addressing for all components on the network.
Solution Approach 2:
The patent replaces the mechanical DIP switch system with an electronic address assignment mechanism. Instead of physically configuring switches, the system uses microprocessor-based automatic address generation and assignment, eliminating the mechanical component that causes reliability issues.
2Ease of manufacture
If DIP switches are used for address selection, then component addressing is achieved, but the DIP switch degrades or damages causing incorrect addresses
Solution Approach 1:
The patent eliminates the mechanical DIP switch entirely by implementing an electronic address storage and retrieval system. Addresses are stored in non-volatile memory or generated algorithmically, removing the fragile mechanical component that degrades over time while maintaining ease of initial system setup.
Solution Approach 2:
The system creates a digital copy of the address configuration in non-volatile memory or through algorithmic generation, replacing the physical DIP switch state. This digital representation is immune to physical degradation while maintaining the same functional purpose of component addressing.
3Ease of operation
If manual address selection is used, then component identification is possible, but address conflicts with other components occur
Solution Approach 1:
The system automatically generates and assigns unique addresses to each component based on their identification characteristics and network configuration. This self-addressing process inherently prevents address conflicts by ensuring each component receives a distinct address without manual intervention.
Solution Approach 2:
The address assignment mechanism incorporates feedback loops that verify address uniqueness before final assignment. The system checks for conflicts with existing addresses and automatically adjusts the assignment to ensure uniqueness, providing real-time verification to prevent address conflicts.
Data Source
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AI summary
A battery management system is provided. The system includes a battery monitoring device having a microprocessor and a hardware component. The microprocessor identifies a non-modifiable node ID from the hardware component. The microprocessor also obtains operational parameters associated with the at least one battery cell. The microprocessor computes a network ID for the battery monitoring device based on the non-modifiable node ID. The system further includes a main controller that communicates with the battery monitoring device via a communication bus utilizing the network ID.