Vehicle BMS Algorithm Firmware

KU-OC-04-003

Vehicle BMS algorithm firmware delivering high-accuracy SOC estimation and fault diagnosis, compliant with automotive functional-safety grades.

1.Product Overview

We provide professional vehicle BMS algorithm firmware development services for new energy vehicles.The firmware realizes high-precision SOC estimation and fault diagnosis functions, and meets ASIL-B automotive functional safety requirements.It is suitable for pure electric passenger cars, commercial vehicles and electric engineering vehicle battery management systems.

2.Key Features

•High-Accuracy SOC Estimation: Implements Kalman filter algorithm to achieve reliable state of charge calculation.
•Built-in Fault Diagnosis: Supports real-time monitoring and fault identification of battery working status.
•Thermal Management Function: Integrates battery thermal control logic to guarantee battery safety.
•ASIL-B Compliance: Developed in accordance with automotive functional safety standards.
•CAN Communication: Adopts CAN bus to realize stable data interaction with vehicle controllers.

3.Materials & Construction

•Core Deliverables: Firmware source code, algorithm library, certification documents and test reports.
•Delivery Channels: Encrypted USB drive and secure cloud download link.
•Version Management: Authorized access to Git repository for iterative updates.
•Auxiliary Tools: Equipped with CAN debugger and programming tool kit for client testing and debugging.

4.Product Advantages

•Reliable Battery Status Calculation: Kalman filter based SOC algorithm reduces estimation error.
•Automotive-Grade Safety: ASIL-B compliance satisfies mass production requirements for vehicles.
•Complete Handover Package: Full source code, documents and debugging tools facilitate secondary development.
•Stable Vehicle Communication: Mature CAN communication adaptation simplifies integration with vehicle systems.

Item Content
Language C
Algorithm Kalman-Filter SOC
Features Fault Diagnosis, Thermal Management
Comms CAN
Grade ASIL-B

1.Application

•High-precision algorithm firmware developed for vehicle BMS systems
•Applicable to battery management of pure-electric passenger vehicles, commercial vehicles and electric engineering vehicles
•Adopts Kalman-filter-based SOC estimation algorithm
•Integrates fault diagnosis and thermal management functions
•Complies with ASIL-B automotive functional safety grade

2.Package

•Deliverables include firmware source code, algorithm library, certification documents and test reports
•Available delivery methods: encrypted USB drive and secure cloud download link
•Granted access to Git repository for version management
•Supplied with CAN debugger and programming tool kit

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