Alastair Fraser Ruofei Fu Chao Jiang Cheng Zhen Dacheng Zheng Tien Truong Project Summary At the start Already disassembled to only chassis lights and tires Several components were already picked out eg BMS contactors motor controllers ID: 718553
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ProjectRenovatio
Joshua FraserAlastair FraserRuofei FuChao JiangCheng ZhenDacheng ZhengTien TruongSlide2
Project Summary
At the start:Already disassembled to only chassis, lights and tiresSeveral components were already picked out (e.g. BMS, contactors, motor controllers)ProgressionDesigned an electrical system that replaces existing system
Determined components that will fulfill the needs of the system and client
Tested system-level components individually
Assembled most of the low voltage system and some of the high voltage system
Documented component list, testing procedures, future plans for improvements
CoE team has worked with the data acquisition system
Patrick has constructed the battery boxes, framing for motor controllers and plenty of other assembly.Slide3
Accomplishments
2 out of 3 battery boxes constructedIsolated testing of1 battery box (40V)DC-DC converterUSB power adapters
Lighting system (headlights and front turn signal lights)
BMS
Motor Controllers
System wiring for most of the system (mentioned above) including the fuse box
DAQ from BMS to ArduinoSlide4
Current System DesignSlide5
Challenges Faced
Technical challengesBypassing pre-charge resistor electricallyFabricated relay circuit was not properly workingManagement challengesBroken or missing components
Delayed assembly timeSlide6
Unfinished Tasks
Isolated testing and integrating ofWater pumpAll 3 battery boxesConstruction of last battery boxDAQ from motor controllers to Arduino
Integrating relay circuit to close main contactorSlide7
Future Plans for Improvements
Replace mechanical secondary switch with a relay or alternative method to electrically maintain high voltage for DC-DC converterFraming specificationsReplacement of 2 motor controllers for a single oneAddition of sensors for other features such as weight balancingSlide8
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