Abstract
JPL is developing a motor controller capable of controlling the motors required for landed missions on icy worlds such as Europa and Enceladus. To support this effort, JPL, together with Tech180, is developing a motor simulator capable of simulating various types of motors required for these missions and their operation in the ambient environment. This system is being designed to support three 3-phase brushless DC motors with the ability to expanded to 24 motors. The simulator is able to simulate motors with current draw up to 10 amps, and sensors that range from resolvers, hall sensors, and encoders. The motor simulator design utilizes NI components and LabViewsoftware, along with high-speed FPGA hardware. This paper will present an overview of our motor controller, the requirements for the motor simulator, and details of its design along with the test results to date.
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