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The power battery is the key energy source for new energy vehicles, while the Battery Management System (BMS) serves as the core connection between the battery pack and the vehicle system. To ensure the performance and reliability of the BMS,BMS HIL (Hardware-in-the-Loop) simulation testing is crucial during the development process of new energy vehicles.

VCARSYSTEM's Solution

VCARSYSTEM self-developed BMS HIL (Hardware-in-the-Loop) simulation system is specifically designed for the automated testing of BMS controllers. In a laboratory environment, the system efficiently and accurately validates the control logic and functional response of controllers in the development phase. By precisely simulating the input signals required by the controller and monitoring its output signals in real-time, the system comprehensively tests the controller’s functional logic, communication capabilities, and fault diagnosis functions, ensuring the stability and reliability of the controller in actual applications. This significantly enhances the efficiency of controller development and debugging.

HIL SYSTEM

VCARSYSTEM offers Hardware-in-the-Loop (HIL) testing solutions that cover the entire scope of automotive electronics, including modules for new energy powertrain systems (BMS/VCU/MCU), automotive driving systems (ACC/LKA/AEB, etc.), chassis electronic control systems (EPS/ESP/SBW/EPB/EHB/EMB), traditional powertrain systems (EMS/TCU), as well as body electronics and intelligent cockpits. It provides comprehensive HIL testing services to help customers accelerate product launch timelines.

VCAR EM

VCAR EM, developed by VCARSYSTEM for HIL platforms, is an engineering configuration tool that enables comprehensive HIL project setup. The software facilitates GPIO signal configuration, bus communication configuration for CAN/CAN FD, LIN, Ethernet, board hardware configuration, simulation model import, signal mapping, real-time host multi-task allocation and management, and project compilation. It also supports multi-task distribution management and multi-device daisy-chaining configuration, meeting diverse testing scenario requirements.

WORKFLOW

ADVANTAGES

Self-Development and Diverse Functionality

All circuit boards are independently developed, covering digital signal input/output, CAN communication, and other functions to meet diverse signal acquisition and output requirements.

High Integration and Portability

The system is highly integrated, easy to transport, and can be flexibly used in various testing environments.

Scalability and Resource Pooling

The system is scalable (supports multi system linkage) and features pooling capabilities (allows multiple users to access simultaneously for wireless remote operations by engineers).

Customization and Flexibility

A wide range of configurable options ensures high cost-performance and short procurement cycles, meeting various customization needs.

Fault Injection, Measurement, and Calibration

Convenient fault injection functionality (no additional software required), along with a measurement and calibration library (no need for additional software purchases), supports measurement, calibration, and diagnostic operations for controllers.

Model Development and Use

No additional licensing required; multiple computers can simultaneously perform model development and use physical models (models include interfaces, drivers, virtual controllers, engines, motors, transmissions, batteries, vehicle dynamics, etc.), and support Simulink model import and hierarchical viewing.

Automatic IO Interface Generation

Communication interface modules for dbc/ldf files and hard-wired interface definition files are automatically generated via M scripts, supporting function coverage and improving the convenience of communication configuration.

ASSOCIATED PRODUCTS

HIL SYSTEM

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VCAR DAS

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VCAR EA

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VCAR EM

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To address the growing complexity of R&D requirements, we will tailor solutions to your specifications and offer expert consulting and engineering services.

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