Lichao Mai Email & Phone Number

Foster City, California, Us

Autonomous driving safety algorithm development, system validation, HIL and vehicle testing

Irvine, Ca, Us

• Implemented data query algorithm in Python and SQL to actively monitor Cloud BMS signals for over 500 fleet vehicles.• Developed and calibrated battery impedance estimation algorithm using cell and pack test data in MATLAB and Simulink.• Implemented algorithm to detect degraded battery state of health (SOH) signals and cell parallel string disconnection.• Performed root cause analysis for abnormal Cloud BMS signals using vehicle CAN data logs and PCAP files in the CANalyzer.Accomplishments: • Implemented the algorithm to monitor Cloud BMS signals (SOH, impedance and p-string disconnection) and faults detection.

Detroit, Michigan, Us

• Developed online LiDAR-to-vehicle alignment algorithm to generate the coordinate transform matrix from LiDAR to vehicle, synchronize with vehicle IMU and improve the LiDAR scan accuracy.• Developed online LiDAR-to-LiDAR alignment algorithm to generate the coordinate transform matrix between different LiDAR (Velodyne and Cepton), which ensured the LiDAR alignment among multiple LiDAR on the test vehicle.• Performed vehicle road tests (over 800 hours) and collected test data to validate the LiDAR alignment algorithm, which results in the LiDAR scan error lower than 0.3 m (Longitudinal, lateral and vertical).【Skill & Platform】Python, C, CANalyzer, ROS, YOLO, CUDA, Git, JIRA, Confluence, Bitbucket

Detroit, Michigan, Us

• Designed data parsing tool using oscilloscope, dSPACE and AutoBox for electrical vehicle (EV) battery testing in lab. • Developed high-voltage battery SOC estimation algorithm in MATLAB using recursive least squares approach and data segmentation to train OCV_SOC mapping model, estimate battery SOC, and monitor current sensor behavior. • Designed diagnostics algorithm of EV 12V battery using OCV estimation and current to monitor battery SOC and resistance. • Implemented scripts for large-scale data extraction and feature labelling of EV fleets from Control Tec data logging system. • Performed batch tests in Python running on Apache Hadoop distributed system to process and analyze real-time EV fleet data.

Detroit, Michigan, Us

• Lead an ATW project to install perception platform (LiDAR, mono-camera, surrounding-view camera, CAN) for a test vehicle.• Implemented data parsing tools for multiple sensors (LiDAR, CAN and 5 cameras) using C++, Python and PCAN driver.• Developed the ROS nodes to achieve the real-time camera-based object detection algorithm in C++. • Developed LiDAR, CAN and camera fusion system, and visualized the data on the ROS interface.

Detroit, Michigan, Us

• Developed an acoustic-based algorithm using time-frequency analysis and average spectrum to analyze external noises and detect the vehicle bearing degradation.• Developed an algorithm using Kalman Filter and order analysis to track multiple CAN signals to detect and isolate the vehicle brake rotor vibration.• Developed a diagnostics and prognostics algorithm for vehicle suspension, including spring, damper and stabilizing bar.• Built data parsing and synchronization tool using AutoBox, PCAN and dSPACE, and visualize the vehicle CAN signals. • Proposed software and engineering specifications for the mass production. • Performed over 800 hours vehicle road tests using electrical vehicles, with the proving ground certification.【Skill & Platform】Proving Ground certification, C++, Matlab, Simulink, Python, Pytorch, Git, d-Space, AutoDesk, AutoBox, PCAN

【General Motors Foundation Engines and Automotive Research Lab】• Designed FSAE suspension system, including Ohlins TTX25 dampers, FSAE spring, anti-roll bars, control arms and push rods.• Manufactured parts and assembled FSAE suspension system.• Built up numerical suspension model using MATLAB and WAVE.• Effectively implemented controller for air shock absorber to reduce chassis vibration using C++.• Conducted dynamics simulation, including Chassis Vibration, Ride Frequency, Spring Force Reaction and Longitudinal Load Transfer.• Optimized suspension design by reducing unsprung weight using 7in wide Hoosier R25B tires with 13in OZ Formula student rims.

Austin, Tx, Us

• Built up full Roll-to-Roll (R2R) system to position structure containing multiple atomic force microscope(AFM) chips.• Utilized NI cRio-9022 controller for actuation and sensor data acquisition under LabVIEW control scheme.• Applied Optimal Control Technique (LQR) to control the vibration of stage under step excitation.

Austin, Tx, Us

【General Motors Foundation Engines and Automotive Research Lab】• Hands-on experience of assemble 2.5L inline four-cylinder naturally aspirated engine and 3.0L dual-turbo engine.• Complete engine measurement of Ford F150 and large wind tunnel test to obtain drag force distribution map and drag coefficient.• Design vehicle power transmission system and traction control system with accurate traction torque delivery.• Develop open-loop optimal control algorithm and controller to regulate the motion of vehicle to fixed final state (5m/s) in 2 seconds with minimum electrical energy consumption• Develop closed-loop optimal control algorithm, controller and tracker for vehicle to avoid incoming projectiles and track a trajectory of unit step inputs given to the UGV to move through an area, slowing down to scan for radiation or capture images

Austin, Tx, Us

【UT Robotics Research Group】• Worked as research assistant in UT Robotics Research Group.• Estimated essential electro-mechanical actuator (EMA) specifications to replace hydraulic actuators.• Designed new EMA actuator to support heavy duty systems (6-DOF manipulators, mobile platforms) in given operating condition.• Conducted force and torque analysis of excavator elements, including crank, bucket and linear actuator.• Conducted motion planning, simulation and optimization for further reducing actuator weight.【Technology used】MATLAB, LabVIEW, Solidworks

Columbia, Mo, Us

【Research Title】Lithium-Ion Battery Thermal Management using Solid-State Thermoelectric Heat Pump for Hybrid Electrical Vehicle• Supported by Hyundai Motor Company and National Science Foundation (CAREER Award ID: 1464504).• Built up battery thermal management system (BTMS) including heat pipe, TE module and coolant liquid plate. • Developed control algorithms and system architectures for BTMS and control circuit for battery charge/discharge routine.• Conducted Analysis of Thermoelectric module power generation, performance and efficiency.• Performed experiments to simulate battery system with power generation (0.5W ~ 20W) in different temperature (15 ~55) and obtained coefficient of performance (0 ~ 25). Battery temperature was maintained within 1 degree variances.

Columbia, Mo, Us

【Design Title】Home-Style Fish Floss Machine Design• Designed on multi-functional fish floss machine using Solidworks• Conducted finite element analysis on component, including forces, Von Mises Stresses, torques and material fatigues analysis• Worked on precise temperature control (tolerance 2 degrees) using Arduino board• Programmed and used 3D-printing to manufacture the ABS/Nylon parts for main container• Hands-on assembled the components and built up the machine prototype

Guangzhou, Guangdong, Cn

• Analyzed the function of existing integrated circuits and hardware components of engines for Airbus 380, Boeing 747, 777. • Got GE-90 engine component hand-on assembling and researched Titanium Alloy blade to reduce engine weight.• Designed plastic circuit plate for engine integrated circuit classification and negotiated with suppliers for mass production.• Developed routine maintenance strategy including line maintenance and defect rectification, which saved up to 40% of maintenance time.

• Vice President of Communications, as a member of AIESEC Mizzou Executive Board 2014, in charge of Communication and marketing.• Build up the pipeline of next generation of Mizzou, in the meantime, improve the performance of local committee.• Lead Information Management team and External Relationship team. Our Vision is cultivate youth to become future global leaders to have positive impacts on society.

• BD Director, is the team leader of Business Development in Incoming Exchange Function in AIESEC Mizzou. This team focuses on making business connections and cooperations with local companies in Missouri.• Organized 2013 Fall Business Luncheon in Memorial Union at the University of Missouri, sponsored by AT&T and Facebook

Montreal, Quebec, Ca

【Global Talent Development Conference】Held by AIESEC Wuhan local committee, Global Talent Development Conference gives central regional university students a great opportunity to get in touch with society, business and prominent entrepreneurs, AIESEC culture and have comparatively good experience of personal talent development.【Organizing Committee President】Description• Team leader of organizing committee.• Strategic design, including organizing plan, promotion strategy and brand development.• Team building, including management of daily operation and synergy, technical support.• Representative of AIESEC Wuhan local committee.• In overall charge of conference.

Montreal, Quebec, Ca

Chief Delegate of National Leadership Development Conference which was host by AIESEC Mainland of China. NLDC is a leadership development summit which focused on educating and improving middle management board of AIESEC MoC.

Changchun, Jilin, Cn

• Created SolidWorks model for TOYOTA Corolla and 1.8L 4-cylinder 16V MPFI DOHC combustion engine.• Designed plastic clamp as connector and sealing features for vehicle battery. Experienced in sheet metal design and manufacturing.• Hands-on experiences of reliability testing, including wind tunnel and touch screen display testing in ISO 16750-4 standard. • Accomplished hammer testing and modal analysis in free-free condition, and performed physical testing on dynamometer to obtain tractive torque and vibration status of chassis.

Graduate Student, Mechanical Engineering, System Dynamics & Control

Bachelor Of Science (B.S.), Mechanical Engineering

Bachelor Of Engineering (B.Eng.), Automotive Engineering