100kw electric vehicle controller inverter software design n.
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100KW Electric Vehicle Controller/Inverter Software Design - PowerPoint PPT Presentation


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100KW Electric Vehicle Controller/Inverter Software Design. Tony Ahmann 5/6/09. General System Design. Microchip dsPIC30F6010A 7.37MHz 12kB EEPROM 7kB RAM. Kernel Choice. Continuous loop dependent on PWM Worse case PWM period 10ms Execution time 4ms. Tasks. Startup Task

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Presentation Transcript
general system design
General System Design
  • Microchip dsPIC30F6010A
  • 7.37MHz
  • 12kB EEPROM
  • 7kB RAM
kernel choice
Kernel Choice
  • Continuous loop dependent on PWM
  • Worse case PWM period 10ms
  • Execution time 4ms
tasks
Tasks
  • Startup Task
  • Run Motor Task
startup task
Startup Task
  • Flux angle control reset
  • Clear RPM buffer
  • Initialize CAN bus
  • Get PID Parameters
  • Initialize user parameters
run motor task
Run Motor Task
  • Pull button for start/stop motor
  • Update LCD
  • Send RPM, torque and flux to LabVIEW
interrupts
Interrupts
  • ADC ISR
  • Calculates speed and executes vector update loop
  • ADC sample and conversion triggered by the PWM period