POWER AND PROPULSION
−− Battery Characterization and life cycle testing −− Video Demonstrations −− Mechanical Shock
using outside transportation. You will be required to sign a waiver on-site and produce a valid driver’s license from your state/ country of residence
−− Short Circuit −− Overcharge −− Fire Exposure
Attendees are asked to bring a calculator for in-class exercises.
Topical Outline DAY ONE
Battery Management Systems • Block Diagram - Main Functions of a BMS • Sensing Requirements −− Cell/module level: cell voltage, cell/module temperature, (humidity, smoke, air/fluid flow) −− Pack level: current, pre-charge temperature, bus voltage, pack voltage, isolation • Control Requirements −− Contactor control, pre-charge circuitry −− Thermal system control • Cell Balancing: Active versus passive, strategies • Estimation Requirements −− Strategies: different approaches and benefits of model-based approach −− How to create a model via cell tests −− State of Charge estimation −− State of Health estimation −− Power estimation −− Energy estimation (range estimation) • Electronics Topologies −− Monolithic versus master/slave versus daisy-chain −− Implications of battery pack topologies: parallel strings versus series modules −− Available chipsets for designing electronics • Other Requirements: CAN communication, data logging, PH/ EV charger control, failure modes/detection, thermal systems control • Future Directions for Battery Management, Degradation Control DAY THREE Electrochemistry and Battery Materials Design • Electrochemical Principles of Energy Storage Systems • General Overview; Physics and Chemistry of Advanced Lithium Battery Materials • Advanced Positive and Negative Electrodes • Advanced Electrolytes and Recent Developments • Battery Failure Modes, Capacity Fading, and Safety Aspects • Future Trends and New Concepts in Battery Materials and Design
Systems Integration and Analytical Tools • Vehicle Development Process Overview −− Requirements Development
• Hybrid Components and Architectures −− Major components in hybrid powertrain −− Controls integration −− Component sizing and integration tradeoffs −− Hybrid architecture overview • System Design and Development Considerations −− Vehicle integration (ex. performance, drivability, NVH) −− Powertrain integration (ex. energy, power, efficiency, torque, thermal management) −− HV/LV electrical systems (ex. safety, DC/AC voltage, charging system, efficiency, cables, connectors, fuses, −− Chassis (ex. braking, vehicle dynamics, powertrain to chassis dynamics, ride and handling, steering, fuel system) −− Displays/information (ex. messages, information aids, usage efficiency aids) −− HVAC (ex. HV compressor, HV heater, cabin comfort, efficiency considerations) • Verification and Validation Considerations −− Verification and validation test requirements and planning −− Component test considerations −− System test considerations −− Fleet testing • Summary/Conclusions DAY TWO Safety, Testing, Regulations, and Standards • Standards Roadmap for Electric Vehicles −− - SAE; - UL; - IEC −− - Performance and Safety • Applicable Battery Standards −− Battery Transportation −− Battery Safety −− Battery Pack: SAE J2464/J2929 −− Compare and Contrast the various industry standards • Vehicle and Charging Standards −− FMVSS −− Electric Vehicle Supply Equipment (EVSE) Descriptions −− Governing Bodies for Regulations −− Certification Requirements and Options • Performance Standards −− Charging interfaces −− SAE J1772 charge protocol −− USABC/FREEDOMCAR
Power Electronics • Introduction - Why Power Electronics? • Overview of Power Density −− Effects of air vs. liquid cooling −− Effects of efficiency • Converter Topologies −− Buck, boost, transformer
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