Invention Grant
US07992850B2 System and method for controlling electromagnet lift power for material handlers 有权
用于控制材料处理机的电磁铁电力的系统和方法

System and method for controlling electromagnet lift power for material handlers
Abstract:
A method for operating an electromagnetic lift that includes a generator-driven electromagnet comprises adjusting a position of the electromagnet, in response to a first position command. Upon receiving a lift command, an output power level of a generator is established at a predetermined level above a predefined normal power level. In response to an excess release command, the output power level is set to a first predetermined level below the normal power level. In response to a transport command, the output power level is established as approximately the normal power level. Upon receiving a release command, the output power level is established at a second predetermined level below the normal power level.
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