WO2009114906A1 - Système et procédé de gestion de ressources - Google Patents

Système et procédé de gestion de ressources Download PDF

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Publication number
WO2009114906A1
WO2009114906A1 PCT/AU2009/000322 AU2009000322W WO2009114906A1 WO 2009114906 A1 WO2009114906 A1 WO 2009114906A1 AU 2009000322 W AU2009000322 W AU 2009000322W WO 2009114906 A1 WO2009114906 A1 WO 2009114906A1
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WO
WIPO (PCT)
Prior art keywords
usage
resource
subscriber
site
subscriber site
Prior art date
Application number
PCT/AU2009/000322
Other languages
English (en)
Inventor
Rick Maddox
Steve Miller
Original Assignee
Ecovision Solutions Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2008901312A external-priority patent/AU2008901312A0/en
Application filed by Ecovision Solutions Pty Ltd filed Critical Ecovision Solutions Pty Ltd
Priority to AU2009225949A priority Critical patent/AU2009225949A1/en
Priority to EP09721473A priority patent/EP2269124A4/fr
Priority to CA2718944A priority patent/CA2718944A1/fr
Publication of WO2009114906A1 publication Critical patent/WO2009114906A1/fr

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2642—Domotique, domestic, home control, automation, smart house

Definitions

  • the present invention relates to integrated resource management.
  • the present invention relates to a cooperative resource management system and method for optimising resource consumption over a range of applications.
  • the Live Data system enables a user to track a meter (be it a gas, a water or an electricity meter) at any given site.
  • the system is divided into two main components infrastructure and client services.
  • the infrastructure component of the system relates primarily to the provision of the necessary hardware to monitor resource usage.
  • This onsite metering equipment is typically interfaced with a utilities meter via the meter's pulsed output.
  • the data captured by the onsite metering equipment is fed to a central data logger which stores the captured information for later forwarding to the Live Data processing centre.
  • the forwarded information is then presented to an energy manager for further analysis.
  • the client service component of the Live Data system relates to the production of various reports based on the energy manager's analysis of the data gathered by the onsite equipment.
  • JP 2004012148 entitled 'energy data management system, device, method and program'.
  • data is collected from the household metering equipment over a given period. This data is stored and then collated before being displayed to the householder.
  • the information displayed can include the amount of gas, electricity and water usage for the given period.
  • a number of pre-stored usage targets may also be displayed in order to provide the householder with not only an indication of their energy consumption but how their usage compares with the set reduction targets.
  • a resource management system said system including: a plurality of subscriber sites each subscriber site including a control system; a central server coupled to each subscriber site; wherein the control system includes, a user interface allowing a user to input desired resource usage targets; a central control unit coupled to a plurality of resource control modules for controlling the supply of resources within the subscriber site; and wherein the control unit is adapted to regulate the supply of a given resource based on desired resource usage targets and adjust the supply of a given resource in response to information received from said central server.
  • the subscriber site is divided into a plurality of sectors.
  • Each sector may include a plurality of sensors for providing feed back information to the control system on current actual usage of each resource within each sector.
  • Each sector may also include a plurality of actuators to regulate the resource supply to each sector within the subscriber site.
  • the plurality of sensors includes a plurality of power meters and flow meters.
  • the actuators may include one or more smart junction boxes, one or more restrictor values and/or shut off valves.
  • control system collates the feedback information from each sector to determine the overall resource usage of the subscriber site.
  • the control unit may then transmit the collated feedback information to the central server.
  • the central server may be coupled to one or more resource suppliers.
  • the central server receives updates from each of the resource supplies regarding current availability of a supplied resource. Based on this information and the collated information received by the central server may then calculate the amount of remaining resources available to the plurality of subscriber sites.
  • the central server may then broadcast the amount of remaining resources available to the plurality of subscriber sites to each subscriber site within the plurality of subscriber sites.
  • the control unit within each subscriber site can adjust the current desired usage targets based on the amount of remaining resources available to the plurality of subscriber sites.
  • the control unit may then operate one or more actuators associated with each sector within the subscriber site to regulate the resource supply to each sector within the subscriber site to meet the adjusted usage target.
  • the available resources include electricity, gas, water, reclaimed water and the like.
  • the control unit adjust the desired target values in accordance with one or more predetermined usage strategies.
  • the control unit includes an electricity usage management strategy which adjusts the load shedding priorities of each sector within the subscriber site based on current actual usage and the information provided by the central server.
  • the control unit may then scale down electricity usage of the site by scaling back electricity usage in sectors having the highest load shedding value (i.e. the lowest usage priority).
  • the control unit may also include one or more usage strategies for the management of water resources.
  • the water management strategies adjust water pressure and flow rate to a given sector within the subscriber site based on current actual usage and the information provided by the central server.
  • the water management strategy may also control the usage of recycled or reclaimed water sources, in such instances the management strategy can enable and disable the reclaimed feed to the site.
  • the control unit may also include a management strategy for gas resources.
  • the gas management strategy regulates the supply of gas to a given sector within the subscriber site based on current actual usage and the information provided by the central server.
  • the user interface is a touch screen display.
  • the user interface may also include one or more auxiliary devices such as a keyboard or mouse.
  • the user interface displays information regarding the current resource usage, past resource usage, desired usage targets, external constraints on resource supply provided by the central server and/or resource suppliers.
  • the usage information maybe presented to the user in on or more sub-display screens each screen being formatted to display information regarding a particular resource.
  • the plurality of subscriber sites maybe a series of apartments within an apartment complex, a plurality of houses within a suburb, a plurality of offices within an office complex, a plurality of remote sites such as parks and gardens, mine sites etc under the supervision of a central authority.
  • the central server may be coupled to a plurality of auxiliary services.
  • the auxiliary services may include weather and news feed service, security and emergency services or help desk services.
  • a method for allocating resources within a plurality subscriber sites including: acquiring a plurality of desired resource usage targets from an end user for a subscriber site within the plurality subscriber sites; determining the amount of resources available at each subscriber site within the plurality of subscriber sites; allocating resources to one or more sectors within the subscriber site based on the desired usage targets and the amount of available resources available at the subscriber site; and adjusting the desired usage targets a resources allocated to each sector due to a variation in the amount of available resources at the subscriber site.
  • the step of acquiring usage targets preferably includes selecting a usage strategy which best matches the usage needs of the subscriber site.
  • the step of acquiring may also include receiving one or more external usage targets associated with the plurality of subscriber sites.
  • the step of determining the amount of resources available at each subscriber site further includes receiving information from a central server on the amount of resources provided to the plurality of subscriber sites.
  • the method further includes the step of comparing the current actual usage of the subscriber site with the desired usage target at the site and project the time frame within which the usage target may be exceed based on the current usage rate.
  • the step of allocating includes adjusting the amount of available resources to a given sector based on the results of the comparison of current actual usage against the desired usage target.
  • the step of adjusting usage targets may include receiving, information from one or more resource suppliers as to a change in the supply of a particular resource at a given site.
  • FIG. 1 is a schematic diagram of a control system for use at a subscriber site according to one embodiment of the invention
  • FIG. 2 is a schematic diagram of a network of subscriber sites according to one embodiment of the present invention.
  • FIG. 3 is a flow diagram depicting a process for assigning setpoint values to available resources at a subscriber site
  • FIG. 4A-4C are schematic diagrams depicting a information screens that may be displayed to an end user at a subscriber site according one embodiment of the present invention
  • FIG. 5 is a flow diagram depicting an energy management strategy according to one embodiment of the present invention.
  • FIG. 6 is a flow diagram depicting a group control strategy according to one embodiment of the present invention.
  • FIG. 7 is a flow diagram depicting a water management strategy according to one embodiment of the present invention.
  • FIG. 8 is a flow diagram depicting a management strategy for recycled water usage according to one embodiment of the present invention.
  • FIG. 9 is a flow diagram depicting distribution strategy for broadcasting updates in resource availability to one or more subscriber sites according to one embodiment of the present invention.
  • the system 100 includes a main control unit 102 which is coupled to the metering equipment of various resource suppliers associated with the particular subscriber site 111.
  • the control unit is coupled to an electricity meter 110, gas meter 109 and water meter 108.
  • This allows the control unit 102 to monitor the amount of actual resource usage at the subscriber site 111 at any particular instance.
  • the actual resource usage of the entire site is then compared by the control unit 102, to the desired usage targets set by the user via the user interface 101. Based on the comparison of the actual resource usage of the subscriber site 111 and the desired usage target the system is able to predict when the targets maybe exceed. Based on this information the control unit can then alter resource allocation to various sectors within the subscriber site 111.
  • control unit 102 To enable the control unit 102 to alter the resource allocation for given sectors within the subscriber site 111 , feedback information obtained form each sector is utilised. The control unit 102 compares the feedback information gathered from each sector, with the overall usage of the site111. Based on locally stored information on each of the sectors (which includes information on essential and non-essential services within the sector), current usage rate of the site 111 and the desired usage targets, the control unit 102 adjusts the resource supply to each sector to ensure that usage targets are met while maintaining all critical services and thus maintain operability of the site 111.
  • the allocation of electricity to various sectors within the subscriber site 111 is provided by coupling the control unit to a plurality of junction boxes 105a-105h disposed within each sector.
  • Each of the junction boxes 105a- 105h is coupled to a set of sensors 106a-106h and a set of controlled outputs 107a- 107h.
  • the sensors 106a-106h in this instance monitor current operating parameters within each of the sectors, for example, the sectors current power consumption, ambient temperature etc.
  • the information gathered by the sensors 106a-106h is then passed via the junction boxes 105a-105h to the control unit 102. Based on the feedback form the sensors 106a-106h, the control unit 102 can then make a determination as to whether various services within a given sector should be maintained in view of the desired usage targets.
  • control unit 102 Once the control unit 102 has made a determination as to which services can be readily maintained in view of the current overall usage and desired usage targets, it can then scale back electricity usage to non-essential equipment within one or more sectors. As soon as the control unit 102 has made this determination it instructs the appropriate junction boxes 105a-105h to terminate supply to one or more of the controlled outputs 107a-107h associated with the pieces of non-essential equipment to be shut down.
  • the water and gas supplies 108, 109 to various sections within the subscriber site 111 are controlled in much the same manner to that of the electricity supply 110 discussed above.
  • the control unit receives feedback information from a set of gas and water flow meters 112a-112h, 113a-113h disposed at various points within a given sector. Again based on the feedback information from each section, current overall usage and desired usage target the control can restrict or shut off the supply of water 108 and gas 109 via a series of control vales 114a-144h, 115a-115h respectively.
  • the control of the resource supply is done to limit the usage of a given resource by non-essential equipment to reduce overall usage to meet desired usage target without affecting the overall operation of the subscriber site 111.
  • a plurality of subscriber sites 111 have been networked to form a community 200 of subscriber sites.
  • a community could for example be a series of apartments within an apartment complex, a plurality of houses within a suburb, a plurality of offices within an office complex, a plurality of remote sites such as parks and gardens, mine sites etc under the supervision of a central authority etc.
  • the community 200 is formed by linking each subscriber site 111 to switch 202, the switch 202 is then coupled to a central server 203.
  • Each subscriber site 111 within the community 200 is provided with a control system 100 which allocates and controls the available resources at the subscriber site 111 based on given usage targets in a similar manner to that discussed in relation to the system of Fig 1 above.
  • the server 203 may also be coupled to a number of resource suppliers such as electricity 205, water 206, gas 207 suppliers and other third party service providers, such waste recyclers e.g. recycled water 208 via network 204.
  • resource suppliers such as electricity 205, water 206, gas 207 suppliers and other third party service providers, such waste recyclers e.g. recycled water 208 via network 204.
  • waste recyclers e.g. recycled water 208
  • a number of auxiliary services such as security services 209, weather information services 210, system help desk 211 etc may also be linked to the server 203 via network 204.
  • control system 100 can then control the allocation of resource at the site 111 based on the inputted usage targets in a similar manner to that discussed above.
  • While the end management of resources at the subscriber site 111 is similar to that discussed in relation to Fig 1 above, additional constraints may also be applied to the amount of resources available to the community 200.
  • an overall usage target for the community could be negotiated between the end users. This would then impact on the management strategy employed at each subscriber sites 111 as the control system must not only take into account the local usage target but the community target and allocate resources to meet both goals while maintaining overall site performance.
  • a number of constraints could also be imposed by the various resource suppliers 205-208 for example mandatory usage targets given supply availability during various periods of the day etc.
  • information on both the desired usage targets and the actual usage of each subscriber site 111 is communicated to the central server 203.
  • the server Based on this information and the desired usage targets for the community 200 as a whole, the server firstly regulates the resources relating common services aspects of the community 200 (e.g. street lighting, communal facilities, pumps, treatment plants etc) that may impact on overall resource targets, to thereby release additional resources to the pool of resource available to the community.
  • the resources relating common services aspects of the community 200 e.g. street lighting, communal facilities, pumps, treatment plants etc.
  • the server 203 could divert resources from the nonessential service components within the community, to service components essential to the operation of the community.
  • the change in the availability of certain communal resources is then relayed to the control units 100 associated with each subscriber site 111.
  • Each control unit 102 then adjusts the allocation of currently available resources to each sector within the subscriber site 111 to ensure that the local and community usage targets are met, while overall site operability is maintained.
  • the server 203 is also capable of monitoring the effects of aggregated usages against the supplied resource targets over time. This allows for more finite control over scheduling and allocation resources to various users based on the relevant management strategy employed. For example in instances where additional resource constraints are imposed by respective resource suppliers 205, 206, 207, 208 the server could assume control of resource allocation when the overall actual usages of the community begin approaching the wider areas targets imposed by suppliers.
  • the server 203 In order to allocate the resources based on the supplied wider areas targets the server 203 must firstly convert the received targets to a normalised format. Once normalised the server 203 can calculate a set of usage the targets for each of the subscriber site 111 within the community based on the current actual usage and the desired target usage of each site 111. Based on this calculation, server 203 then distributes new usage targets to each subscriber site based on a combination of factors relating to each subscriber site 111 such as ownership, floor plan size, normal number of occupants, average usage etc. An example of how the server 203 may distribute new usage targets to each subscriber site is discussed in relation to 9 below. :
  • the server may also access a number of auxiliary services via network 205, in the depicted example the server can access emergency and security services 209, weather information service 210 and a help desk services 211.
  • emergency and security services 209 emergency and security services 209
  • weather information service 210 weather information service 210
  • help desk services 211 auxiliary services
  • the server can access additional functionality to the control unit 102 within each subscriber location 111. For instance an end user could place a call into emergency services or security services from a single service point namely the user interface of the local control unit 102.
  • the server knows the exact location of the control 101 unit lodging the call response times for the dispatch of the appropriate service could be significantly reduced.
  • Such functionality is particularly desirable for elderly users of the system who may not be able to operate a touch pad phone due to such conditions as chronic arthritis.
  • the server can feed information to the control unit on changes in local weather patterns. This could allow end users at given subscriber sites 111 to implement a number of strategies to maximise collection of solar energy, rain water etc. By initiating appropriate management strategies an end user could has the ability to maximise the capture of renewable resources. In the event that the subscriber site achieves a surplus of a particular renewal resource then they may supply the surplus to other sites 111 or feedback the surplus resource to community pool.
  • the help desk service in this instance is essentially a support service offered by the applicant, which allows the applicant to provide software support for both the server 203 and control units 100 within the community 200. Through the link to the server the applicant can download up to date drivers, additional functions, revised resource allocation algorithms etc, to ensure that the system allocates the available resources in the most optimal manner, to ensure efficient operation of each subscriber site.
  • Fig 3 illustrates the process of assigning control set point values for each available resource at a given subscriber site 111.
  • the control set points act as a base line for resource allocation within the system.
  • the setpoints may vary the as local, community and wider area usage targets are updated.
  • Such a variation of the setpoints causes the control unit to re-evaluate resource allocation to various sectors of the subscriber site and adjust the resource usage strategies for each resource in which the change in the set point has occurred accordingly in order to ensure that the overall usage target is still met without a loss in overall performance of the site 111.
  • control unit 102 proceeds to load local, community and wider area usage targets 302. Once the target data is loaded the control unit then proceed to compare the local and community targets 303. If the local target is lower than that of the community target then the system compares the local target with the wider area target 305. If the local target is less than the wider area target then the control unit 102 sets the local target as the set control point 306 for the given resource.
  • the control unit compares the community target against the wider area target 304. If the community target is less than the wider area target the control unit sets the community target as the control set point 308 for the given resource. If the wider area target is the lowest usage target for the given resource the control unit 102 set the wider area target as the control set point 307 for the given resource. The control unit the proceeds to check if the target evaluation has been preformed for all available resource types 309, if not the control unit then increments the system pointer 310 and proceed to perform the comparison of the local, community and wider area targets (steps 303-308 as discussed above) for the next available resource type. This process continues until the unit 102 has determined all control set points for each available resource type.
  • one of the main aspects of the present system is the provision of feedback information, in real time, of the actual resource usage level of the subscriber site 111.
  • This information is then displayed to the end user via the user interface in a variety of formats.
  • the end user could be provided with a number of visualisations of there current usage against local targets, community targets, community best practice, community averages, community worst practice etc.
  • Figs 4A to 4C depict a number of such display screens.
  • the display includes a set of menu buttons 401a-401d, in the present example the menu buttons allow the user to access the relevant routines to set or adjust their usage targets 401a, review a log of various system messages and alerts 401b (e.g. changes in community resource pool broadcast by the server 203), information services 401c (e.g. weather service, news feeds etc) or request assistance in case of an emergency 401 d.
  • the display also includes a graphical indication of current usage of available resources 402a-402c in this case electricity, water and gas.
  • buttons 403a- 403g In order to display more detailed information on the status of a given resource the user simply selects the desired resource type the wish to review via buttons 403a- 403g. Pressing one of the review buttons switches the main display to one of a number of resource specific sub-screens, which are discussed in greater detail below.
  • a set of call buttons 404a-404c are also provided on the main display.
  • the call buttons include a settings button 404a, an alerts button 404b and a home button.
  • the settings button 404a allows the user to customise the display setting, e.g. background colour, overlay colour date and time display etc.
  • the alerts button 404b provides the user with a listing of all current active alerts, while the home button 404c returns the user to the main display menu form any one of the sub- displays.
  • Fig 4B Depicted in Fig 4B is one example of a resource sub-display 405 relating to electricity usage and generation.
  • the sub-display 405 includes in this instance two display windows 406a, 406b.
  • Widow 406a in this particular example depicts the amount of available electricity generated by solar cells associated with the subscriber site 111 , against the overall solar energy usage of the site 111 over a select time period.
  • Lower window 106b in this instance details the overall general power usage of the site 111 over the same time period as that shown in window 406a. The user is free to select the time period over which the information in widows 406a, 406b is displayed via buttons 407a-d.
  • the user can select to display usage on a monthly 407a, weekly 407b, daily 407c or hourly 407d basis.
  • the display also includes a graphical indicator of current general usage 408a, total electricity generated from solar sources 408b and the net electricity usage 408c.
  • the net usage is negative i.e. the site 111 is generating surplus electricity. This surplus may then be feed back into the main grid or sold off to other subscriber sites within the community 200.
  • Fig 4C depicts one possible arrangement of the greenhouse sub-display 409, the sub-display again includes two display windows 410a and 410b.
  • Window 410a in this instance displays the amount of green house emissions accumulated for the subscriber site 111 for a given period.
  • Window 410b in this case shows the contribution to the accumulated greenhouse emissions from the sites net electricity usage.
  • the display also includes a graphical indication on the current accumulated greenhouse emissions 412a against the net electricity 412b and gas 412c usage.
  • the user can then adjust or alter their resource usage.
  • the system provides a number usage management strategy. These strategies allow a user them to control their usage of a particular resource as determined by their total weekly or monthly usage targets.
  • FIG. 5 An example of one such management strategy 500 is shown in Fig 5.
  • This particular strategy relates to the management of electricity within the subscriber site 111.
  • the intent of the strategy is to automatically tighten up on electricity usage for current period as the current usage approaches the desired usage target.
  • the strategy is effectively a two stage strategy.
  • the first stage involves alerting the sites end users 111 , via the displays discussed in relation to Figs 4a-4c above, that their behaviours and their current group control strategies are going to cause the target to be exceeded.
  • This first stage is based on calculating the projected total for the period based on current daily usage rate and alerting the end user as early as possible.
  • the second stage involves enabling and disabling appliances according to the load shedding priorities.
  • the application of the second stage is discretionary for the end user. They can set themselves tight targets and opt to allow the targets to be exceeded so that no control action is executed.
  • the system initialises the electricity management strategy by firstly loading the setpoint value for the target electricity usage 501 as determined under the setpoint evaluation process discussed in relation to Fig 3 above. The system then proceeds to compare the target usage setpoint value with the current actual usage 502. If the actual usage is less than a predetermined value of the target usage setpoint, which in this case is set at 75% of the total target usage setpoint, the system then compares the current actual usage rate against the target usage setpoint value divided by the number of days remaining in the current usage period 503 (i.e. average setpoint value).
  • the system determines whether the maximum load shed priority assigned to the sector is less than a predetermined value 504.
  • the load shed priority for each section is set to a value between 1 and 20 (1 being high priority i.e. critical systems and 20 low priority i.e. non-critical systems).
  • the system increments the load shed value assigned to a given sector 505. If the load shed priority has somehow exceed 20 then the system simply resets the maximum load shed priority for the sector to 20 506. In this way the system then can scale back electricity usage by shutting down services within the sectors having the lowest load shed priorities. If usage continues at a rate which would place the set target in jeopardy of being exceeded the system continues to shut down services having the lowest load shedding priorities. Each time a shut down is initiated the load shedding priorities of each remaining service is incremented i.e. the next lowest priority service is advanced in the queue for shut down unit only the service critical to the maintenance of site operations remain in use.
  • the system then proceeds to compare the current actual usage against the target usage setpoint value divided by the number of days remaining in the current usage period 507 (i.e. average setpoint value). If the actual usage is less than this average setpoint value then the system calculates the projected usage and then alerts the end user via the selected notification methodology 509, typically a warning message displayed on the main user display. In the event that the user is not within viewing range of the main display then the system could alert the user via SMS, MMS or other such messaging service. Similarly if the actual usage is greater than the average setpoint value at step 503 the system alerts the user via step 509 as discussed above.
  • step 507 If the actual usage rate at step 507 is greater than the average setpoint value calculated in step 503 then the system proceeds to check whether the usage management flag is set 508. If the usage flag is disabled then the system proceeds to alert the user via step 509. If the resource management flag is enabled then the system proceeds to decrement the maximum load shedding priorities associated with each sector (i.e. allows all sectors to operate at desired capacity).
  • each virtual group is assigned a load shedding priority depending on whether the group includes critical or non-critical equipment needed to maintain the overall effective operation of the subscriber site 111.
  • the average of the load shedding priorities assigned to each virtual group determines the overall load shedding priority assigned to the sector.
  • Each virtual group includes a number of associated appliances, each appliance can then be assigned a load shedding priority within the virtual group. This allows the system to shut down non-critical appliances in order to scale back electricity usage for one or more virtual groups.
  • the group associated with the pool pump could be assigned a load shedding priority of 20 as the operation of the pump is not necessarily critical to the overall operation of the site 111.
  • Other defaults may be Hot Water 19, Air conditioner 18, Fixed Heating 18, Portable Heater 17, Clothes dryer 16, Refrigerator 2, Computer 1 , etc.
  • the system firstly loads the group load shedding priority 601 , and the calculated load shedding priority for each virtual group based on the current actual usage of the site 111 and the sector containing the virtual group. The system then compares the load shed priority for the given virtual group and the calculated load shedding priority 602, if the group load priority is greater than the calculated load shed priority value then the system enables the virtual group 603. If the group load priority is less than the calculated load shed priority value then the system disables the group 604. The system then determines whether all virtual groups within the given sector have been evaluated 605. If not the system increments the pointer to the next virtual group 606 and repeats the process.
  • the system may also alter the allocated load shedding priorities based on the behaviour needs of the appliance types. For example where the internal and the external temperatures are being monitored the portable heater load shedding priority may be reduced if the inside temp ⁇ 15 Deg or the Air conditioner load shedding priority may be reduced if the inside temp > 32 Deg. It will be appreciated by those of ordinary skill in the art that the initialisation of the default load shedding priorities and the strategies for automatic control of the priorities for the individual appliance types will evolve with technology, usage and ongoing optimisation of the system. Similar management strategies to those discussed above may be employed for other available resources at the subscriber site 111. Fig 7 shows one possible management strategy 700 for the overall management of water usage at a given site 111.
  • the system firstly loads the water usage setpoints 701 as determined under the setpoint evaluation process discussed in relation to Fig 3 above. The system then proceeds to compare the target usage setpoint value with the current actual usage 702. If the actual usage is less than a predetermined value of the target usage setpoint (e.g. 75% of the total target usage). If the actual usage is less than the predetermined value of target usage setpoint value the system then compares the current actual usage rate against the target usage setpoint value divided by the number of days remaining in the current usage period 703 (i.e. average setpoint value). If the actual usage is less than the average setpoint value calculated in step 703 then the system disables the water pressure reduction flag 704.
  • a predetermined value of the target usage setpoint e.g. 75% of the total target usage.
  • the system compares the current actual usage rate against the target usage setpoint value divided by the number of days remaining in the current usage period 703 (i.e. average setpoint value). If the actual usage is less than the average setpoint value calculated in step 703 then the
  • the system then proceeds to compare the current actual usage against the t average setpoint value 705. If the actual usage is less than this average usage value then the system calculates the projected usage and then alerts the end user via the selected notification methodology 708, again this is typically a warning message displayed on the main user display.
  • the system determines whether the usage management flag is enabled 706. If the usage management flag is disabled then the system calculates the projected usage and alerts the user accordingly 708. If the usage management flag is set then the system enables the water pressure reduction flag 707, which then causes control vales 114a-114h to then restrict the flow of the water to a given sector.
  • Fig 8 illustrates yet another usage management strategy 800 which may be utilised in one embodiment of the present invention to manage the usage of recycled or reclaimed water.
  • the system firstly loads the recycled water usage setpoints 801 as determined under the setpoint evaluation process discussed in relation to Fig 3 above. The system then proceeds to check the current actual water usage against the current setpoint 802. If the current actual water usage is less than 75% of the setpoint value, the system then compares the actual recycled water usage rate against the setpoint divided by the days within the current usage period (i.e average setpoint value) 808. If the current actual usage is less than the average setpoint value then the system disables the water pressure reduction flag and the recycled water isolation flag 810. If as a result of the comparison the actual usage rate is found to be less than the average setpoint value then the system proceeds to calculate the projected usage and alert the end user by the appropriate methodology 809 before proceeding to step 810.
  • the system compares the actual recycled water usage to the setpoint value 803. If the actual usage value is greater than the setpoint value the system alerts the end user via the appropriate methodology 804. The system then disables the water pressure reduction flag and enables the recycled water isolation flag 806. If the actual recycled water usage is less than the setpoint value the system proceeds to calculate projected usage and alerts the end user via the appropriate methodology 805. Once the system has 'calculated the projected usage rates it then proceeds to enable the water pressure reduction flag and disable the recycled water isolation flag 807.
  • the server can alter the management usage strategies by updating the community and wider area usage targets.
  • One possible distribution strategy 900 of such revised community and wider area targets is shown in Fig 9.
  • the sever 203 firstly loads the current actual community resource usage rate, the community and supplier resource usage targets 901.
  • the community usage targets can be set based on a collaborative negotiation amongst all end users within the community, while the wider area targets are set by the resource suppliers and are dependent upon a number of factors.
  • the server 203 compares the recently loaded usage targets with the last stored usage targets 902 for each available resource. If the recently loaded usage target for a given resource fails to match the previously stored value, the server 203 then proceeds to load the distribution rules for the given resource and then calculates the new usage target for the resource in question 903. The server 203 then determines whether the new target evaluations are done for each available resource 904 within the community 200, if not the server 203 then proceeds to increment the pointer to the next available resource 905 and repeat steps 902 to 904 until all resource evaluations are complete.
  • the server determines whether the new target evaluations are done for each available resource 904 within the community 200. If not the server 203 then proceeds to increment the pointer to the next available resource 905 and repeat steps 902 to 904 until all resource evaluations are complete. Once the evaluations are complete the server 203 proceeds to load the distribution lists for the community and send the updated target information to each subscriber site 111 contained in each distribution list.

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Abstract

L'invention porte sur un système et sur un procédé de gestion de ressources coopérative pour optimiser une consommation de ressources sur une plage d'applications. Un système de commande de ressources (100) pour un site d'abonné (111) est prévu. Le système (100) comprend une unité de commande principale (102) qui est couplée à l'équipement de mesure de divers fournisseurs de ressources associés au site d'abonné particulier (111), par exemple, un compteur d'électricité (110), un compteur de gaz (109) et un compteur d'eau (108). L'unité de commande (102) surveille la quantité d'usage de ressources réel au niveau du site d'abonné (111) à tout instant particulier. L'usage de ressources réel du site entier est ensuite comparé par l'unité de commande (102), aux cibles d'usage désirées définies par l'utilisateur par l'intermédiaire de l'interface utilisateur (101). Sur la base de cette comparaison, le système est capable de prédire lorsque les cibles sont peut-être dépassées et de modifier l'allocation de ressources à divers secteurs dans le site d'abonné (111).
PCT/AU2009/000322 2008-03-18 2009-03-18 Système et procédé de gestion de ressources WO2009114906A1 (fr)

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AU2009225949A AU2009225949A1 (en) 2008-03-18 2009-03-18 Resource management system and method
EP09721473A EP2269124A4 (fr) 2008-03-18 2009-03-18 Système et procédé de gestion de ressources
CA2718944A CA2718944A1 (fr) 2008-03-18 2009-03-18 Systeme et procede de gestion de ressources

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CN103473718A (zh) * 2013-09-24 2013-12-25 河海大学 一种基于博弈论的南水北调水资源调度方法
US9429925B2 (en) 2014-01-15 2016-08-30 Haier Us Appliance Solutions, Inc. Method for operating an appliance and a refrigerator appliance

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EP2269124A1 (fr) 2011-01-05
EP2269124A4 (fr) 2013-03-20
CA2718944A1 (fr) 2009-09-24

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