Subject Matter Expert for Electric Vehicle Control System
Job Profile: Manufacturing Engineering > General Manufacturing Engineering
Job Description:
We are seeking a highly skilled and experienced Electric Vehicle Control System Subject Matter Expert (SME) to join our dynamic team. The ideal candidate will have deep expertise in EV control systems, including Vehicle Control Units (VCU), inverters, DC/DC converters, chargers, and energy storage systems. As an SME, you will play a pivotal role in driving the development, testing, and optimization of our EV components to meet the highest standards of performance, efficiency, and reliability.
Responsibilities:
1. Serve as the primary technical authority and advisor on EV control system architecture, design, and implementation.
2. Collaborate with cross-functional teams including engineering, manufacturing, and quality assurance to develop and refine EV control system specifications and requirements.
3. Lead the design, simulation, and validation of VCU, inverters, DC/DC converters, chargers, and energy storage systems.
4. Conduct thorough analysis and troubleshooting of EV control system performance issues and implement effective solutions to optimize performance and efficiency.
5. Stay current with industry trends, emerging technologies, and regulatory requirements related to EV control systems, and provide recommendations for continuous improvement.
Qualifications:
1. Bachelor’s degree in electrical engineering, Mechanical Engineering, or related field; advanced degree preferred.
2. Minimum of 8 years of hands-on experience in the design, development, and testing of EV control systems.
3. In-depth knowledge of EV components, including VCU, inverters, DC/DC converters, chargers, and energy storage systems.
4. Proficiency in simulation tools such as MATLAB/Simulink, PLECS, and familiarity with automotive communication protocols (CAN, LIN, etc.).
5. Strong analytical skills and problem-solving abilities, with a demonstrated track record of successful project delivery.
6. Excellent communication skills and ability to collaborate effectively in a fast-paced, team-oriented environment.
Each of these components plays a critical role in the overall performance, efficiency, and safety of electric vehicles. An SME in EV car control systems should have a deep understanding of the design principles, operation, and integration of these components to ensure optimal functionality and reliability.
Here's a more detailed breakdown of the technical aspects of EV car control systems:
1. Vehicle Control Unit (VCU):
(a) The VCU serves as the brain of the electric vehicle, coordinating and controlling various functions and subsystems.
(b) Key responsibilities include managing energy flow, controlling the traction motor, monitoring battery status, and regulating charging/discharging processes.
(c) Components of a VCU include microcontrollers, sensors (such as current sensors, temperature sensors), communication interfaces (CAN, LIN), and software algorithms for power management and vehicle control.
2. Inverters:
(a) Inverters are essential components in electric vehicles that convert DC power from the battery into AC power to drive the electric motor.
(b) They regulate the voltage, frequency, and amplitude of the AC power supplied to the motor, ensuring smooth and efficient operation.
(c) Inverters consist of power electronics such as insulated gate bipolar transistors (IGBTs), gate drivers, capacitors, and control algorithms for pulse-width modulation (PWM) to control motor speed and torque.
3. DC/DC Converters:
(a) DC/DC converters are used to convert high-voltage DC power from the traction battery to lower voltages required for auxiliary systems such as lighting, heating, and air conditioning.
(b) They provide stable and regulated output voltage to meet the requirements of various onboard electronics.
(c) Components of DC/DC converters include power semiconductors (MOSFETs, diodes), inductors, capacitors, and control circuits for voltage regulation and efficiency optimization.
4. Chargers:
(a) Chargers are responsible for replenishing the energy stored in the traction battery by converting AC power from an external source (charging station or household outlet) into DC power suitable for battery charging.
(b)They manage the charging process, including voltage and current regulation, temperature monitoring, and safety features to prevent overcharging or overheating.
(c) Chargers typically include AC-DC conversion circuits, power factor correction (PFC) stages, isolation transformers, rectifiers, and control electronics for charging protocols (such as CHAdeMO, CCS, or Tesla Supercharger).