Energy management system

• US 20050034023A1
• Filed: 09/10/2004
• Published: 02/10/2005
• Est. Priority Date: 12/16/2002
• Status: Abandoned Application

• Current Assignee: Rockwell Automation Technologies Incorporated (Allen-Bradley Co., Inc.)
• Original Assignee: Rockwell Automation Technologies Incorporated (Allen-Bradley Co., Inc.)
• Inventors: Carnahan, Danny L., Staron, Raymond J., Maturana, Francisco P., Discenzo, Frederick M.
• Application Number:
  US10/939,004
• Publication Number:
  US 20050034023A1
• Time in Patent Office: Days
• US Class Current: 714/37
• CPC Class Codes: G05B 15/02 electric
• CPC Class Codes: G06Q 10/06 Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
• CPC Class Codes: H02J 3/008 involving trading of energy or energy transmission rights
• CPC Class Codes: Y04S 50/10 Energy trading, including energy flowing from end-user application to grid

Abstract

A control system for an energy-related system including at least a first energy consumer and a first energy producer, and related method, are disclosed. The control system includes a first agent in communication with the first energy consumer for the purpose of at least one of controlling and monitoring an operation of the first energy consumer, a second agent in communication with the first energy producer for the purpose of at least one of controlling and monitoring an operation of the first energy producer, and a network at least indirectly coupling the first and second agents and allowing for communication therebetween. The first and second agents are capable of negotiating with one another in order to determine an amount of energy to be delivered from the first energy producer to the first energy consumer.

Claims

1. A control system for an energy-related system including at least a first energy consumer and a first energy producer, the control system comprising:

a first agent in communication with the first energy consumer for the purpose of at least one of controlling and monitoring an operation of the first energy consumer;

a second agent in communication with the first energy producer for the purpose of at least one of controlling and monitoring an operation of the first energy producer; and

a network at least indirectly coupling the first and second agents and allowing for communication therebetween,

wherein the first and second agents are capable of negotiating with one another to determine an amount of energy to be delivered from the first energy producer to the first energy consumer.

2. The control system of claim 1, wherein the first and second agents are further capable of negotiating with one another to determine a price corresponding to the amount of energy to be delivered from the first energy producer to the first energy consumer

3. The control system of claim 2, wherein the first and second agents are further capable of negotiating with one another to determine at least one of a time at which the amount of energy is to be delivered from the first energy producer to the first energy consumer, and a duration of time over which the amount of energy is to be delivered from the first energy producer to the first energy consumer.

4. The control system of claim 2, wherein the first and second agents are further capable of negotiating with one another to determine at least one of a power rate, a peak power level, a voltage level, a current level, a frequency level, a phase setting, a power factor value, a power type of the energy to be delivered, an amount of energy to be stored, and a manner of routing energy.

5. The control system of claim 1, further comprising:

a third agent in communication with a first energy production enabler of the energy-related system for the purpose of at least one of controlling and monitoring an operation of the first energy production enabler,

wherein the third agent is also in communication with the second agent by way of the network, and

wherein the second and third agents are further capable of negotiating with one another to determine a quantity of a substance to be delivered from the first energy production enabler to the first energy producer.

6. The control system of claim 5, wherein the substance is cooled water, and wherein the second and third agents further determine a price associated with the quantity of the substance.

7. The control system of claim 5, further comprising:

a fourth agent in communication with a second energy production enabler of the energy-related system for the purpose of at least one of controlling and monitoring an operation of the second energy production enabler,

wherein the fourth agent is also in communication with the third agent by way of the network, and

wherein the third and fourth agents are further capable of negotiating with one another to determine an additional quantity of an additional substance to be delivered from the second energy production enabler to the first energy production enabler.

8. The control system of claim 1, further comprising:

a third agent in communication with a first energy transporter of the energy-related system for the purpose of at least one of controlling and monitoring an operation of the first energy transporter,

wherein the third agent is also in communication with the second agent by way of the network, and

wherein the second and third agents are further capable of negotiating with one another to determine a quantity of energy to be delivered from the first energy producer to the first energy consumer via the first energy transporter.

9. The control system of claim 8, further comprising:

a fourth agent in communication with a first energy production enabler of the energy-related system for the purpose of at least one of controlling and monitoring an operation of the first energy production enabler,

wherein the fourth agent is also in communication with the second agent by way of the network,

wherein the second and fourth agents are further capable of negotiating with one another to determine a quantity of a substance to be delivered from the first energy production enabler to the first energy producer, and

wherein the first agent is an energy consumer agent, the second agent is an energy producer agent, the third agent is an energy transporter agent, the fourth agent is an energy production enabler agent, the first energy consumer is a motor, the first energy producer is a natural-gas powered generator, the first energy transporter is a power line including at least one switch, and the first energy production enabler is a natural gas supplying component.

10. The control system of claim 1,

wherein the second agent is further in communication with an external control component, and wherein the communication between the second agent and the external control component determines an amount of a substance provided from an external source to the first energy producer.

11. The control system of claim 10,

wherein communications between the first and second agents over the network and between the second agent and the external control component occurs by way of messages in the form of scripts written in at least one of JDL, XML and KQML and further wrapped in a FIPA ACL wrapper, and

wherein the network is at least one of an Ethernet, ControlNet or DeviceNet-type network.

12. The control system of claim 1, further comprising:

a database coupled to the network and storing information of potential relevance to operations of the energy-related system including regulations pertinent to at least one of generation, distribution and consumption of energy.

13. The control system of claim 1, wherein the energy is electrical energy.

14. The control system of claim 1, wherein the negotiating between the first and second agents includes:

providing a first bid from the first agent to the second agent concerning a desired amount of energy;

processing the first bid at the second agent to determine a first response to the first bid;

sending the first response to the first agent; and

processing the first response at the first agent.

15. The control system of claim 14,

wherein if the first response is positive the first agent in turn determines whether to commit to a plan that is based at least in part upon a characteristic of at least one of the first bid and the first response;

and

wherein if the first response is negative the first agent in turn determines whether to submit a new bid or to cease negotiating.

16. The control system of claim 14, wherein the processing of the first bid at the second agent can include at least one of:

evaluating the first bid;

determining whether an additional commitment from an other entity is required to respond positively to the first bid;

if the additional commitment is necessary, then;

providing a second bid from the second agent to a control element associated with the other entity;

processing the second bid at the control element to determine a second response to the second bid;

sending the second response to the second agent; and

processing the second response at the second agent.

17. The control system of claim 16, wherein the control element is at least one of a third agent associated with an energy transporter, a fourth agent associated with an energy production enabler, and an external control element associated with an external source.

18. The control system of claim 16, wherein the processing of the first bid by the second agent includes an assessment by the second agent of whether the second agent can satisfy the amount of energy in view of other existing commitments that the second agent has made with respect to at least one of the first agent, an other agent, and a control element.

19. The control system of claim 1, wherein upon creating a creating a tentative negotiated plan involving the amount of energy, the first and second agents then commit to the plan and subsequently execute the plan.

20. The control system of claim 1, wherein upon detection of an anomaly regarding the first energy consumer, the first agent sends a first signal to a third agent associated with an energy transporter that is providing energy to the first energy consumer, the third agent tending to respond to the first signal by causing the energy transporter to modify the providing of energy to the first energy consumer, and also the first agent sends a second signal to at least one of the second agent and a fifth agent associated with an energy production enabler that is providing a substance to the first energy producer.

21. The control system of claim 1, wherein at least one of the first and second agents includes programming allowing for the respective agent to detect an occurrence of at least one of an anomaly and a particular operational condition;

wherein the programming includes at least one of a first program determining whether an operational parameter has changed in a value beyond a predetermined threshold within a predetermined period of time and a second program determining whether the operational parameter no longer is within a signature range.

22. The control system of claim 21, wherein the signature range is determined on a continuous learning basis.

23. The control system of claim 1, wherein each of the first and second agents includes base firmware programming, DCA infrastructure programming, application-specific agent programming, and application-specific control programming.

24. The control system of claim 23, wherein each of the first and second agents includes at least one directory facilitator, and wherein the directory facilitators of the agents includes at least one local directory facilitator and one global directory facilitator.

25. The control system of claim 23, wherein each of the first and second agents further includes operating system programming, wherein the DCA infrastructure programming of each of the agents includes planner programming and execution controller programming, and wherein the application-specific agent programming of each of the agents includes at least one of a diagnostics model, an equipment model, and a plurality of scripts.

26. The control system of claim 23, wherein each of the agents includes a respective data table allowing for intercommunications between the respective application-specific agent programming and application-specific control programming of the respective agents.

27. The control system of claim 1, wherein at least one of the first and second agents employs a cost model in determining at least one of a price associated with the first bid and a price capable of being paid as indicated in the first response, wherein the cost model reflects at least one of a consumption amount, a production amount, a quality factor, a process load and an operational requirement.

28. A control system for an energy-related system including a plurality of system components including at least two of a first energy consumer, a second energy consumer, a first energy producer, a second energy producer, a first energy transporter, a second energy transporter, a first energy production enabler, a second energy production enabler, and an external energy source, the control system comprising:

a first agent in communication with at least a first of the system components for the purpose of at least one of controlling and monitoring a first operation of the first system component;

a second agent in communication with at least a second of the system components for the purpose of at least one of controlling and monitoring a second operation of the second system component; and

a network at least indirectly coupling the first and second agents and allowing for communication therebetween,

wherein the first and second agents are capable of communicating with one another to arrive at an agreed-upon interoperation of the first and second system components, the agreed-upon interoperation relating to at least one of consuming, distributing, generating and supporting generation of energy.

29. The control system of claim 28, wherein each of the first and second agents is an autonomous cooperative unit, wherein the first agent operates to develop a bid concerning a need pertaining to at least one of the consuming, distributing, generating and supporting generation of energy and to send the bid to the second agent, and wherein the second agent operates to process the bid and determine a bid response.

30. The control system of claim 29, further comprising a means for storing information that stores at least one of regulation information and a cost model, and wherein at least one of the bid and the bid response is determined based upon the cost model.

31. A method of controlling operation of an energy-related system including at least a first energy consumer and a first energy producer, the method comprising:

determining, at a first agent-based control device associated with the first energy consumer, that a need for energy exists at the first energy consumer;

generating at the first agent-based control device a first bid concerning the need;

sending the first bid from the first agent-based control device to a second agent-based control device associated with the first energy producer;

processing the first bid at the second agent-based control device to determine a first bid response;

sending the first bid response from the second agent-based control device to the first agent-based control device; and

if the first bid response is favorable, determining at the first agent-based control device whether to execute a plan based at least in part upon at least one of bid information in the first bid and bid response information in the first bid response, wherein execution of the plan results in at least a portion of the need being met.

32. The method of claim 31, wherein the processing of the first bid at the second agent-based control device includes:

evaluating the first bid;

determining whether an additional commitment from an other entity is required to respond positively to the first bid;

if the additional commitment is necessary, then;

providing a second bid from the second agent to a control element associated with the other entity;

processing the second bid at the control element to determine a second bid response to the second bid;

sending the second bid response to the second agent; and

processing the second bid response at the second agent.

33. The method of claim 32, wherein the control element is at least one of an additional agent-based control device and an external control device, and wherein the first agent-based control device also determines whether to commit to the plan prior to executing the plan.

34. The method of claim 33, wherein the other entity is at least one of an energy production enabler, an energy transporter, and an external energy source, and wherein the second bid concerns a request for at least one of an energy production-enabling substance, capacity for distribution of energy and additional energy.

35. The method of claim 31 wherein, if the bid response is not favorable, determining whether to generate and send a modified bid to the second agent-based control device.

36. The method of claim 31, wherein the processing at the second agent-based control device includes at least one determination of whether a requested amount of energy set forth in the first bid can be supplied by the first energy producer given an existing commitment of the first energy producer and, if not, determining whether at least one of the existing commitment can be modified and the requested amount of energy can be provided by another source.

37. The method of claim 31, further comprising determining that the second agent-based control device is an appropriate entity to which the bid can be sent based upon information stored within a directory facilitator.

38. A control device for implementation in conjunction with at least one component of an energy-related system, the energy-related system including at least one of a first energy consumer, a first energy producer, a first energy transporter, a first energy production enabler, and an external energy source, the control device comprising:

a controller configured to operate as an agent, the controller including at least one memory device on which is stored generalized agent operational programming and application-specific agent programming,

wherein the generalized agent operational programming is capable of constructing outbound messages intended to be sent to, and interpreting inbound messages received from, at least one other agent,

whereby the controller operating as the agent is able to intercommunicate with the at least one other agent to negotiate a plan of operation concerning at least one of energy consumption, energy distribution, energy production, and support of energy production, and then execute the plan of operation.

39. The control device of claim 38, wherein the negotiating of the plan is followed by a decision as to whether to commit to the plan and, if a commitment is made to the plan, subsequently followed by an execution of the plan.

40. The control device of claim 38, wherein the at least one memory device further includes base firmware, application-specific control programming, operating system programming, and a data table allowing for communication between the application-specific control programming and the application-specific agent programming.

41. A system for performing an energy-related process including at least one of consuming, distributing, producing and supporting the production of energy, and controlling the process, the system comprising:

first components for performing the energy-related process including at least two of a first energy consumer, a second energy consumer, a first energy producer, a second energy producer, a first energy transporter, a second energy transporter, a first energy production enabler, a second energy production enabler, and an external energy source; and

second components for controlling the respective first components, wherein the second components include at least two agent-based controllers respectively in association with respective ones of the at least two first components, the at least two agent-based controllers being in communication with one another by way of a network, the at least two agent-based controllers being configured to negotiate with one another to arrive at plans to satisfy requirements of the first components.

42. The system of claim 41, wherein each of the at least two agent-based controllers includes base firmware, application-specific control programming, generalized agent-related programming, and application-specific agent programming.

43. The system of claim 41, wherein the agent-based controllers are programmed with at least one of cost evaluation and load profiling criteria.

44. The system of claim 41, wherein the agent-based controllers are capable of assessing at least one of accurate energy costs and process priorities.

45. The system of claim 44, wherein the agent-based controllers are capable of assessing process priorities and dynamically adapting priorities.

46. The system of claim 41, wherein the agent-based controllers are capable of identifying anomalous behavior in loads based upon real-time assessments of load conditions.

47. The system of claim 46, wherein the agent-based controllers are capable of using at least one of historical data and trending models to estimate future conditions of loads.

48. A control system for an energy-related system, the control system comprising a plurality of agent-based control elements respectively coupled to respective components of the energy-related system, the plurality of agent-based control elements being in communication with each other by way of at least one network.

49. The control system of claim 48, wherein the agents operate in at least three of creation, commitment, execution and analysis/evaluation phases of operation.

50. The control system of claim 49, wherein a plan created by the agents during the creation phase includes a transition plan portion that includes a plurality of intermediate steps.

51. The control system of claim 49, wherein the agents operate in the analysis/evaluation phase of operation based upon at least one of mission/objective information and information concerning real world system operation, and wherein the mission-objective information in at least some cases can dynamically vary with time.

52. The control system of claim 48, wherein the control system includes two agents each of which are coupled to respective energy consumers, and wherein the two agents negotiate to determine an appropriate distribution of energy among the two agents.

53. The control system of claim 48, wherein the agents are capable of interacting with one another to dynamically adjust to changing conditions or needs, and wherein the agents are organized in a hierarchy.

54. The control system of claim 48, wherein the agents are capable of at least one of interacting in a real-time manner and interacting in a manner exhibiting temporal reasoning.

55. The control system of claim 48, wherein the network is at least one of a wired network, a wireless network, an internet-based network, and an X10-based power-line network.

56. The control system of claim 48, wherein at least one of the agents includes at least one of diagnostic, prognostic and simulation capabilities.

57. The control system of claim 56, wherein the agents are capable of diagnosing conditions in real-time based upon dynamically observed information.

58. The control system of claim 56, wherein at least one of the agents is able to determine an optimal configuration using a gradient search technique.

59. The control system of claim 56, wherein the agents are at least one of capable of observing and controlling state transitions, and controlling at least one of an addition of a further agent to the control system and an elimination of one of the agents from the control system.

60. The energy-related system controlled by the claim 48 control system, wherein the energy-related system is for at least one of an international power system, a regional power grid, a subdivision, a plant system, a vehicle, a shipboard system, a component, a subsystem, and a micro-device.