{
  "abstract": "A material transfer vehicle (104) identifies the status of an unloading door (115) on a material receiving vehicle (120). A control signal is generated to control an unloading operation based upon the identified status of the unloading door (115).",
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    "FAUST JEREMY J",
    "O'CONNOR KELLEN E"
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  "title": "Unloading control based on identified hopper door position",
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