Battery Management System (BMS) Test Products

• Reproducible testing and optimization of the BMS
• Emulation of individual cells, as well as modules and packs at cell level
• Validation of all BMS development steps with respect to hardware and software
• Validation of end products

During BMS development, engineers need a way to reliably test the BMS under real-world conditions to complete their verification and validation plans. At this stage, test strategies such as Hardware-in-the-Loop (HIL) testing are often performed. HIL testing involves simulating physical inputs and external connections to the pack while monitoring its outputs and behavior relative to design requirements.
Accurately simulating all the conditions to which a BMS may be subjected during real-world operation is not easy. However, one must consider the long-term cost of skipping testing over a full range of conditions, remembering that any given condition could lead to a critical failure in the field. In the end, simulating nearly every combination of cell voltages, temperatures, and currents you expect your BMS to encounter is really the only way to verify that your BMS reacts as you intended to keep your pack safe and reliable.

The performance of electric vehicles depends on many factors such as battery voltage, battery life and health, safety, charge-discharge rates, etc. All these factors are indirectly linked between the rechargeable batteries in electric vehicles and the Battery Management System. Therefore, in order to obtain an efficient output from these batteries, there is a need to monitor and control various battery parameters. Monitoring and control of these parameters is performed by a Battery Management System (BMS) in all electric vehicles. The BMS
Real-time information from these batteries helps timely actions for better battery life and safe operation. As a result, it contributes to increase the performance and durability of Electric Vehicles (EVs). ensures complete tracking of all functions performed by the battery.

The role of the Battery Management System (BMS) in Electric Vehicles (EVs) are:

• Battery protection in order to prevent operations outside its safe operating area.
• Battery monitoring by estimating the battery pack state of charge (SoC) and state of health (SoH) during charging and discharging.
• Battery optimization thanks to cell balancing improves the battery life and capacity, thus optimizing the driving range for Hybrid (HEVs), Plug-in Hybrid (PHEVs) and Battery Electric Vehicles (BEVs).