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Human operators have difficulty driving cranes quickly, accurately, and safely because of the sluggish response of the massive structure and large payload swings. Manipulation difficulty is also increased by non-intuitive crane-control interfaces that consist of buttons and levers. A new type of crane-control interface allows operators to drive a crane by simply moving a small radio frequency emitter...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.