Design Note #28
High-power industrial motion control is a demanding art requiring a mix of power electronics techniques coupled with modern digital signal processing. Orchid’s two board industrial motion control set provides multiple high power pulse width modulation drivers (PWM), precision analog servo circuitry, and digital signal processing.
High speed digital signal processing algorithms continuously provide eight streams of pulse width modulation data to the motor control power electronics. Low-voltage, high-current MOSFET and TRENCHFET devices drive power electronics in an H-bridge configuration. The two board set provides isolation between the power electronics on the lower board and the control systems on the upper board.
Twenty Four Bit high-precision analog conversion electronics together with Pulse Width Modulation control systems form the control plane of this multi-channel motion control system. Data conversion rates of 40KHz together with multichannel PWM outputs enable high performance.
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