METHOD AND APPARATUS FOR ANALYSIS OF ENERGY INPUT DURING OPERATION OF A PRODUCTION SYSTEM
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Abstract
A method analyzes the energy use during an operation of a production system containing machines and supply equipment having an energy demand that can be determined and planning apparatuses for the work orders to be carried out by the machines. The energy-related parameters of the machines are determined and divided into representative load spectra by an energy control unit. Energy recovery values to be expected on average depending on the media are assigned to the load spectra. The respective time fractions of the load spectra for possible work orders and machine combinations are determined from the work orders to be carried, and the energy demand per machine for carrying out a work order is determined therefrom. A device is provided for performing the method.
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Citations
24 Claims
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1-12. -12. (canceled)
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13. A method for reducing energy input during operation of a production system having machines and supply equipment with determinable energy demands and energy planning units for work orders to be implemented in the machines, which comprises the steps of:
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determining energy-related parameters of the machines and classifying the energy-related parameters into representative load spectra being classes of operating states of the machines via an energy control unit; assigning expected average energy recovery values to the representative load spectra media-dependently; determining respective time fractions for the load spectra based on time periods for the work orders and machine combinations by a planning unit; determining, via the energy control unit, energy needs for each appropriate one of the machines for implementing a work order; and assigning, via at least one of the energy control unit or the planning unit, the work orders to a machine, which shows lowest energy needs value in comparison to other ones of the machines. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. An apparatus for implementing a method for reducing energy input during operation of a production system having machines and supply equipment with determinable energy demands and energy planning units for work orders to be implemented in the machines, the apparatus comprising:
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shut-off means; data and control lines; and an energy control unit being connected to elements of the production system by means of said data and control lines, said energy control unit being able to determine energy-related parameters of the machines continuously and to assign them to classes of operating states of the machines, said energy control unit connected with at least one of the energy planning units of the production system or an energy control unit of a power plant on a wireless basis, an internal network basis, the Internet, or in accordance with a scheme as dictated by said energy control unit, whereby a connection can be separated by said energy control unit by means of said shut-off means. - View Dependent Claims (22, 23, 24)
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Specification