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Battery Management System Testing

Bloomy and Maplesoft® Collaborate on Battery Modeling and Simulation for BMS Testing

August 31, 2017

Bloomy and Maplesoft® Collaborate on Battery Modeling and Simulation for BMS Testing

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WINDSOR, Conn., October 18, 2017 – Bloomy Controls Inc. (Bloomy) and Maplesoft today announced a collaboration to combine industry-leading battery models from Maplesoft with Bloomy’s BMS HIL Test System in order to safely and accurately simulate advanced-chemistry batteries for testing battery management systems (BMS) using real hardware.

Battery management system (BMS) testing has different challenges at different phases of the development lifecycle, from hardware prototype, embedded software development, regression testing, validation, to PCBA manufacturing test. A common requirement is simulating the battery in a safe, efficient, and repeatable manner, including charging, discharging, cell balancing, SOx, as well as simulating common battery faults such as over-voltage, over-current, over-temperature, short-circuit, and open circuit.

Hardware-in-the-loop test is the standard approach to validating the design of xEV systems including the battery management system electronics and firmware. Explore an open systems architecture approach to HIL test system implementation including the overall benefits demonstrated by market-leading xEV companies like LG Chem and Jaguar Land Rover.

Presented by Steven Hoenig at NIWeek in Austin, TX on May 23, 2017

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The BMS HIL Demo is a small-scale demonstration of Bloomy’s BMS HIL Test System, an open system platform that hybrid and electric vehicle companies use for firmware development and regression testing of battery management systems (BMS). Learn how you can safely and efficiently simulate the characteristics of advanced Li-Ion batteries and battery systems using NI PXI hardware running VeriStand real-time test software, in tandem with Bloomy’s Battery Simulator 1200 and Battery Fault Insertion Unit.

Presented by Peter Blume at the Automotive Testing Expo 2016 in Novi, MI

Hardware-In-the-Loop (HIL) testing is an essential approach for validating the hardware and firmware of an automotive ECU, including the battery management system (BMS) electronics of hybrid and electric vehicles (xEVs). An HIL Simulator is used to simulate the xEV battery including cell chemistry, drive cycles, and numerous fault conditions; without the hazards of real batteries, or the cost of prototype vehicles and track time.

Hardware-In-the-Loop (HIL) testing is the standard approach to validating the design of xEV ECU systems including the battery management system (BMS) electronics and firmware. HIL test systems are used to simulate the battery including cell chemistry, charging and discharging, drive cycles, and numerous fault conditions for testing the BMS; without the hazards of real batteries, or the cost of prototype vehicles and track time. There exist vendor-defined or “closed”, as well as user-defined or “open” approaches to the implementation of HIL test equipment.

Jaguar Land Rover, the UK’s largest automotive manufacturer, and Bloomy, a NI Platinum Alliance Partner, develop a system that provides the ability to design and validate battery management system (BMS) firmware algorithms on prototype hardware, and safely test the unit with various battery chemistries, fault scenarios, and drive profiles. Bloomy developed a hardware-in-the-loop (HIL) test system based on NI PXI hardware, VeriStand software and Bloomy's Battery Simulator 1200 instruments to simulate a 24-cell advanced chemistry, hybrid- and electric-vehicle battery.

Recorded at The Battery Show 2016 in Novi, MI on 9/14/2016, Bloomy's Peter Blume presents a universal approach to battery management system (BMS) manufacturing test, as well as four manufacturing test best practices. The universal approach utilizes commercial, off-the-shelf (COTS) hardware and software, including Bloomy's own Battery Simulator 1200 and Battery Fault Insertion Unit (FIU) to functionally test the BMS PCBAs prior to assembly in the battery modules and packs. Benefits include higher quality, higher production yields, and fewer defective modules and packs.

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