Method for determining a partial-load condition of a system

Patent metadata

Field	Value
Publication number	US-9460240-B2
Application number	US-201213628723-A
Country	US
Kind code	B2
Filing date	Sep 27, 2012
Priority date	Sep 29, 2011
Publication date	Oct 4, 2016
Grant date	Oct 4, 2016

Abstract

A method for evaluating component-related energy models and external specification parameters, in order, based on these, to produce a determination of a set of partial-load conditions, which are simulated based on a parameterizable simulation model of the system. A system planner is put in a position, with the specification of specification parameters, for example, a minimum throughput of the system or a maximum energy consumption, in which he can obtain a set of partial-load conditions, i.e., a partial-load condition for each of the components involved in the determination. In this way, an individual partial-load condition can be set for each component, where all the partial-load conditions fulfill the provisions of the specification parameters.

First claim

What is claimed is:

1. A method for determining a partial-load condition of a system comprising a plurality of components, the method comprising the steps of:
evaluating an energy model of at least one component of the system to allocate a set of operating parameters of the at least one component to at least one partial-load condition of the at least one component of the system, the set of operating parameters containing an effect of a partial-load condition and of a change between particular partial-load conditions on the service life and on a required maintenance interval of the component;
evaluating specification parameters comprising specifications for a throughput of the system which is to be set;
determining a set of partial-load conditions of the system based on the energy model while taking into account the evaluated specification parameters;
simulating the set of partial-load conditions based on a parameterizable simulation model of the system, said simulation including optimizing the system with respect to the partial-load condition of the system in which the at least one component operates in accordance with a desired throughput in an energy-efficient manner; using the set of partial-load conditions to adjust the at least one partial-load condition for the at least one component, wherein the set of partial load conditions fulfill the provisions of the specification parameters.

2. The method as claimed in claim 1 , wherein the set of operating parameters of the energy model further contain a time duration for at least one of a change from a particular partial-load condition of the plurality of components and a change to the particular partial-load condition of the plurality of components.

3. The method as claimed in claim 1 , wherein the set of operating parameters of the energy model further contains an energy consumption of a particular partial-load condition of the plurality of components.

4. The method as claimed in claim 1 , wherein the set of operating parameters of the energy model further contains an energy consumption for a change from a particular partial-load condition of the plurality of components and a change to a particular partial-load condition of the plurality of components.

5. The method as claimed in claim 1 , wherein the set of operating parameters of the energy model further contains data regarding an operation of the plurality of components in a particular partial-load condition.

6. The method as claimed in claim 5 , wherein the operation comprises a throughput of the plurality of components in the particular partial-load condition.

7. The method as claimed in claim 1 , wherein the specification parameters comprise specifications for an energy consumption of the system which is to be set.

8. The method as claimed in claim 1 , wherein said step of determining the set of partial-load conditions of the system occurs based on a decentralized optimization.

9. The method as claimed in claim 8 , wherein said step of determining the set of partial-load conditions of the system occurs utilizing market-based methods.

10. The method as claimed in claim 1 , further comprising the step of:
determining a new set of partial-load conditions with at least one of revised specification parameters and at least one revised energy model based on the simulated set of partial-load conditions.

11. The method as claimed in claim 10 , wherein an optimized partial-load condition of the system is determined after at least one iteration of the method step of claim 10 .

12. A process in which a process control system executes instructions set forth in a computer program executing on a processor which when used on the process control system cause the processor to determine a partial-load condition of the process control system, the computer program comprising:
program code for evaluating an energy model of at least one component of the process control system to allocate a set of operating parameters of the at least one component to at least one partial-load condition of the at least one component of the process control system, the set of operating parameters containing an effect of a partial-load condition and of a change between particular partial-load conditions on a service life and on a required maintenance interval of the component;
program code for evaluating specification parameters comprising specifications for a throughput of the process control system which is to be set;
program code for determining a set of partial-load conditions of the process control system based on the energy model while taking into account the evaluated specification parameters; and
program code for simulating the set of partial-load conditions based on a parameterizable simulation model of the process control system, said simulation including optimizing the process control system with respect to the partial-load condition of the process control system in which the at least one component operates in accordance with a desired throughput in an energy-efficient manner; using the set of partial-load conditions to adjust the at least one partial-load condition for the at least one component, wherein the set of partial load conditions fulfill the provisions of the specification parameters.

13. A process control system in a system implementing an optimized partial-load condition, wherein the process control system is configured to evaluate an energy model of at least one physical component of the system to allocate a set of operating parameters of the at least one physical component to at least one partial-load condition of the at least one physical component of the system, the set of operating parameters containing an effect of a partial-load condition and of a change between particular partial-load conditions on the service life and on a required maintenance interval of the component; evaluate specification parameters comprising specifications for a throughput of the system which is to be set; determine a set of partial-load conditions of the system based on the energy model while taking into account the evaluated specification parameters; and simulates the set of partial-load conditions based on a parameterizable simulatiion model of the system, said simulating including optimizing the system with respect to the partial-load condition of the system in which the at least one component operates in accordance with a desired throughput in an energy-efficient manner; using the set of partial-load conditions to adjust the at least one partial-load condition for the at least one component, wherein the set of partial load conditions fulfill the provisions of the specification parameters.

14. A robot of a manufacturing line in a system implementing an optimized partial-load condition, wherein the robot of the manufacturing line:
evaluates an energy model of at least one physical component of the system to allocate a set of operating parameters of the at least one component to at least one partial-load condition of the at least one physical component in the system, the set of operating parameters containing an effect of a partial-load condition and of a change between particular partial-load conditions on a service life and on a required maintenance interval of the component;
evaluates specification parameters comprising specifications for a throughput of the system which is to be set;
determines a set of partial-load conditions of the system based on the energy model while taking into account the evaluated specification parameters; and
simulates the set of partial-load conditions based on a parameterizable simulation model of the system, said simulation including optimiz

Assignees

• Siemens Ag

Inventors

• Hassel Jörg
• Neidig Jörg
• Pirker Michael
• Seitz Christian

Classifications

• G05B2219/32021

  Energy management, balance and limit power to tools · CPC title

• G05B19/41865

  characterised by job scheduling, process planning, material flow · CPC title

• G06F30/20

  Design optimisation, verification or simulation (optimisation, verification or simulation of circuit designs G06F30/30) · CPC title

• G05B17/02 Primary

  electric · CPC title

• Y02P90/205

  Cross-Sectional Technologies · mapped topic