The fault input logic 330 serves as an interface between various fault and reset circuits in the electric vehicle propulsion system 10 and the digital gate array 300.
A vector control board for an electric vehicle propulsion system motor controller comprising a microcontroller for generating torque requests, a digital signal processor for receiving the torque requests from the microcontroller and for generating phase voltage signals in accordance with the torque requests, and a digital gate array for receiving the phase voltage signals from the digital signal processor and for generating gate drive signals from the phase voltage signals.
For example, one set of parameters that the microcontroller 100 initializes includes time constant values used by the DSP 200 for efficient operation of the digital gate array 300 and the electric motor 28.
The microcontroller 100 filters the commanded torque values and sends appropriate torque outputs to the DSP 200 (via the digital gate array 300) for use in controlling the pwm signals that drive the motor 28.
The microcontroller 100 also communicates with the digital signal processor 200 by providing the digital signal processor 200 with torque requests via the digital gate array 300, and communicates with the digital gate array 300 to perform, for example, various BIT and control operations.
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