CN114519592A - Block chain-based trust acquisition method for aggregator and flexible resource owner - Google Patents
Block chain-based trust acquisition method for aggregator and flexible resource owner Download PDFInfo
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Abstract
The invention discloses a block chain-based trust acquisition method for aggregators and flexible resource owners, which comprises the following steps: acquiring private data and non-private data of a place where a resource owner is located; uploading non-private data to an aggregator; encrypting and uploading the private data to a block chain; sending a key request according to the regular random spot check requirement of the aggregator, and if the resource owner agrees to provide the key, increasing the trust value of the resource owner to the aggregator; comparing the business accounting results of the non-private data and the private data under the supervision of a third party, if the error is within a preset range, increasing the trust value of the aggregator to the resource owner, and if the error exceeds the preset range, reducing the trust value of the aggregator to the resource owner; if the resource owner does not agree to provide the secret key, the trust values of the two parties are reduced; the invention can enhance the trust of both the resource owner and the aggregator, thereby improving the enthusiasm of the resource owner in participating in power grid regulation and control.
Description
Technical Field
The invention relates to a block chain-based trust acquisition method for aggregators and flexible resource owners, and belongs to the technical field of power systems.
Background
The participation of client side flexible adjustment resources such as controllable load, electric vehicles, energy storage and the like provides new and rich adjustable resources for power grid regulation, but significant 'trust crisis' exists between interest relevant parties. Take resource owners and aggregators as examples: the aggregator wants to collect more information of the owner because the owner is worried about counterfeiting; owners worry about too much information collection to reveal their own privacy. Both the resource owner and the aggregator have obvious trust crisis, and the crisis is difficult to solve by the traditional technologies such as data encryption, firewall and the like, so that the enthusiasm of the resource owner in participating in power grid regulation and control is greatly reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a block chain-based trust acquisition method for a aggregator and a flexible resource owner, so that the trust crisis of both the resource owner and the aggregator is solved, and the enthusiasm of the resource owner in participating in power grid regulation is improved.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention provides a block chain-based method for obtaining trust between an aggregator and a flexible resource owner, including:
acquiring data information of a place where a flexible resource owner participating in flexible resource regulation is located;
dividing the acquired data information into private data and non-private data;
uploading the non-private data to an aggregator, and performing business accounting on the non-private data;
uploading the private data to a block chain, and generating a secret key by the block chain and sending the secret key to a flexible resource owner;
sending a key request to the corresponding flexible resource owner according to the periodical random spot check requirement of the aggregator on the flexible resource owner,
if the flexible resource owner agrees to provide the secret key, increasing the trust value of the flexible resource owner to the aggregator, and the aggregator acquires the private data of the flexible resource owner according to the secret key and performs business accounting on the private data;
comparing the business accounting results of the non-private data and the private data, if the error is within a preset range, increasing the trust value of the aggregator to the flexible resource owner, and if the error exceeds the preset range, reducing the trust value of the aggregator to the flexible resource owner;
and if the flexible resource owner does not agree to provide the secret key, reducing the trust value of the flexible resource owner to the aggregator, and simultaneously reducing the trust value of the aggregator to the flexible resource owner.
Optionally, the non-private data includes flexible resource owner profile information, and flexible resource response amount, response date, response start time, and response end time;
the private data includes active power of a flexible resource device owned by a flexible resource owner, the active power including a current active power of a response date and a historical active power prior to the response date.
Optionally, the business accounting of the non-private data includes extracting flexible resource response from the non-private data
；
The business accounting of the private data comprises calculating corresponding response date according to a baseline load calculation rule based on historical active power of the flexible resource equipment
And response start/end time
The baseline load of the flexible resource owner; obtaining the standard response quantity of the flexible resource according to the baseline load and the current active power of the flexible resource equipment
。
Optionally, the calculating of the corresponding response date according to the baseline load calculation rule
And response start/end time
The baseline load of the flexible resource owner includes:
obtaining response date
Front of
Response start/end time of a typical day
The historical active power of the flexible resource device at each sampling moment;
according to the front
The average value of the historical active power of the flexible resource device at each sampling moment of a typical day obtains the baseline load at each sampling moment:
wherein the content of the first and second substances,
is as follows
The baseline load at the time of day is,
is as follows
A typical Japanese
Historical active power of the flexible resource device at the moment;
baseline load acquisition response start/end times based on each sampling instant
Baseline load of flexible resource owner at each moment in time:
wherein the content of the first and second substances,
in response to start/end times
The total number of sampling instants.
Optionally, the selecting of the typical day includes:
if the date of the response
Selecting a response date for the working day
The first 5 weekdays on which no resource response occurred were taken as the typical day, i.e.
；
If the date of the response
On a non-working day, the response date is selected
The first 3 non-workdays on which no resource response occurred are taken as typical days, i.e.
。
Optionally, the flexible resource standard response amount
Comprises the following steps:
wherein the content of the first and second substances,
is the date of response
Response start/end time of
The current active power of the flexible resource device at each sampling instant.
Optionally, the comparing the accounting result of the business accounting of the non-private data and the private data includes comparing the flexible resource response
And flexible resource standard response
And (6) carrying out comparison.
Optionally, the service accounting of the private data is performed under supervision of a third party agreed by the aggregator and the flexible resource owner.
Optionally, the trust value and an assessment mechanism agreed by the aggregator and the flexible resource owner are bound, and the aggregator and the flexible resource owner are assessed according to the assessment mechanism.
Optionally, the aggregator uploads both the rule of the service accounting and the accounting result of the service accounting to the block chain.
In a second aspect, the present invention provides a trust obtaining system for block chain-based aggregators and flexible resource owners, the system comprising:
the data acquisition module is used for acquiring data information of a place where a flexible resource owner participating in flexible resource regulation is located;
the data dividing module is used for dividing the acquired data information into private data and non-private data;
the non-private data processing module is used for uploading the non-private data to the aggregator and performing business accounting on the non-private data;
the privacy data processing module is used for uploading the privacy data to the block chain, and the block chain generates a secret key and sends the secret key to the flexible resource owner;
a trust value obtaining module for sending a key request to the corresponding flexible resource owner according to the regular random spot check requirement of the aggregator to the flexible resource owner,
if the flexible resource owner agrees to provide the secret key, increasing the trust value of the flexible resource owner to the aggregator, and the aggregator acquires the private data of the flexible resource owner according to the secret key and performs business accounting on the private data;
comparing the business accounting result of the non-private data with the business accounting result of the private data, if the error is within a preset range, increasing the trust value of the aggregator to the flexible resource owner, and if the error exceeds the preset range, reducing the trust value of the aggregator to the flexible resource owner;
and if the flexible resource owner does not agree to provide the secret key, reducing the trust value of the flexible resource owner to the aggregator, and simultaneously reducing the trust value of the aggregator to the flexible resource owner.
In a third aspect, the present invention provides a block chain-based trust obtaining apparatus for an aggregator and a flexible resource owner, including a processor and a storage medium;
the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps according to the above-described method.
In a fourth aspect, the invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the above-described method.
Compared with the prior art, the invention has the following beneficial effects:
the trust obtaining method for the aggregator and the flexible resource owner based on the block chain provided by the invention is characterized in that privacy data are encrypted and uploaded to the block chain based on a block chain architecture, the principle that data on the block chain cannot be tampered is adopted, the non-tampering property of the data on the chain is ensured, and a secret key is generated and given to the flexible resource owner; a regular random spot check monitoring mechanism is introduced, and when an aggregator needs to check the private data in the owner block chain, the owner needs to provide a secret key for decrypting and reading the private data in the owner block. The private data aggregators cannot read the private data independently, and the flexible resource owner local data cannot be tampered when being uploaded, so that the trust between the common owner and the aggregators is enhanced; under the scene that the owners participate in the power grid regulation and control to obtain income and the privacy leakage risk is extremely asymmetric, the privacy of each party can still be protected to the maximum extent, the mutual trust of each party is enhanced, and the trust crises of both the resource owners and the aggregators are solved, so that the enthusiasm of the resource owners participating in the power grid regulation and control is improved.
Drawings
Fig. 1 is a flowchart of a trust obtaining method for a block chain-based aggregator and a flexible resource owner according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a trust obtaining method for a block chain-based aggregator and a flexible resource owner according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1-2, the present invention provides a trust obtaining method for a block chain-based aggregator and a flexible resource owner, including:
acquiring data information of a place where a flexible resource owner participating in flexible resource regulation is located;
dividing the acquired data information into private data and non-private data;
uploading the non-private data to an aggregator, and performing business accounting on the non-private data;
uploading the private data to a block chain, and generating a secret key by the block chain and sending the secret key to a flexible resource owner;
a key request is sent to the corresponding flexible resource owner according to the aggregator's regular random spot check requirement (e.g. 1% per quarter) for the flexible resource owner,
if the flexible resource owner agrees to provide the secret key, increasing the trust value of the flexible resource owner to the aggregator, and the aggregator acquires the private data of the flexible resource owner according to the secret key and performs business accounting on the private data;
comparing the business accounting result of the non-private data with the business accounting result of the private data, if the error is within a preset range, increasing the trust value of the aggregator to the flexible resource owner, and if the error exceeds the preset range, reducing the trust value of the aggregator to the flexible resource owner;
and if the flexible resource owner does not agree to provide the secret key, reducing the trust value of the flexible resource owner to the aggregator, and simultaneously reducing the trust value of the aggregator to the flexible resource owner.
The business accounting of the private data is carried out under the supervision of a third party appointed by the aggregator and the flexible resource owner.
And the aggregator uploads the business accounting rules and the business accounting results to the block chain.
In the present embodiment, it is preferred that,
1. the non-private data includes flexible resource owner profile information as well as flexible resource response volume, response date, response start time, and response end time.
2. Business accounting of non-private data includes extracting flexible resource responses from non-private data
。
3. The private data includes active power of the flexible resource device owned by the flexible resource owner, the active power including a current active power of the response date and a historical active power prior to the response date.
4. The business accounting of the private data comprises calculating corresponding response date according to a baseline load calculation rule based on historical active power of the flexible resource equipment
And response start/end time
The baseline load of the flexible resource owner; obtaining the standard response quantity of the flexible resource according to the baseline load and the current active power of the flexible resource equipment
。
The method specifically comprises the following steps:
s1, calculating corresponding response date according to the base line load calculation rule
And response start/end time
The baseline load of the flexible resource owner includes:
s2, acquiring response date
Front of (2)
Response start/end time of a typical day
The historical active power of the flexible resource device at each sampling moment;
s3, according to the above
The average value of the historical active power of the flexible resource device at each sampling moment of a typical day obtains the baseline load at each sampling moment:
wherein the content of the first and second substances,
is as follows
The baseline load at the time of day is,
is as follows
A typical Japanese
Historical active power of the flexible resource device at the moment;
s4 obtaining response start/end time based on the baseline load at each sampling time
Baseline load of flexible resource owner at each moment in time:
wherein the content of the first and second substances,
in response to start/end times
The total number of sampling instants.
S5, flexible resource standard response quantity
Comprises the following steps:
wherein the content of the first and second substances,
is the date of response
Response start/end time of
The current active power of the flexible resource device at each sampling instant.
Wherein, the typical day selection comprises:
if the date of the response
Selecting a response date as the working day
The first 5 weekdays on which no resource response occurred were taken as typical days, i.e.
；
If the date of the response
On a non-working day, the response date is selected
The first 3 non-workdays on which no resource response occurred are taken as typical days, i.e.
。
5. Comparing the accounting results of the business accounting of the non-private data and the private data includes comparing the flexible resource response
And flexible resource standard response
And (6) carrying out comparison.
6. Furthermore, the trust value, the aggregator and an assessment mechanism appointed by the flexible resource owner can be bound, and the aggregator and the flexible resource owner can be assessed according to the assessment mechanism.
Example two:
the invention provides a block chain-based trust acquisition system for aggregators and flexible resource owners, which comprises:
the data acquisition module is used for acquiring data information of a place where a flexible resource owner participating in flexible resource regulation is located;
the data dividing module is used for dividing the acquired data information into private data and non-private data;
the non-private data processing module is used for uploading the non-private data to the aggregator and performing business accounting on the non-private data;
the privacy data processing module is used for uploading the privacy data to the block chain, and the block chain generates a secret key and sends the secret key to the flexible resource owner;
a trust value obtaining module for sending a key request to the corresponding flexible resource owner according to the regular random spot check requirement of the aggregator to the flexible resource owner,
if the flexible resource owner agrees to provide the secret key, increasing the trust value of the flexible resource owner to the aggregator, and the aggregator acquires the private data of the flexible resource owner according to the secret key and performs business accounting on the private data;
comparing the business accounting result of the non-private data with the business accounting result of the private data, if the error is within a preset range, increasing the trust value of the aggregator to the flexible resource owner, and if the error exceeds the preset range, reducing the trust value of the aggregator to the flexible resource owner;
and if the flexible resource owner does not agree to provide the secret key, reducing the trust value of the flexible resource owner to the aggregator, and simultaneously reducing the trust value of the aggregator to the flexible resource owner.
Example three:
based on the first embodiment, the invention provides a block chain-based trust acquisition device for an aggregator and a flexible resource owner, which comprises a processor and a storage medium, wherein the processor is used for processing a block chain;
a storage medium to store instructions;
the processor is configured to operate in accordance with instructions to perform steps in accordance with the above-described method.
Example four:
based on the first embodiment, the present invention provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the above-mentioned method.
The method and the device are based on the block chain, and aim to achieve trust enhancement between the flexible resource owner and the aggregator. Firstly, the necessary information participating in power grid regulation and control and the privacy protection requirement of an owner are comprehensively considered, and the owner information is divided into non-privacy data and privacy data. Under the conventional condition, the aggregator only collects non-private data of the owner, the private data of the owner is encrypted and uploaded to the block chain, and the owner executes a secret key corresponding to the private data, so that the owner trusts the aggregator; in a periodic random spot check, the private data in the aggregator spot check must be opened by a secret key provided by the owner, and compliance examination is performed under the supervision of a third party, so that the trust of the aggregator on the owner is established.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (13)
1. A block chain-based aggregator and flexible resource owner trust acquisition method is characterized by comprising the following steps:
acquiring data information of a place where a flexible resource owner participating in flexible resource regulation is located;
dividing the acquired data information into private data and non-private data;
uploading the non-private data to an aggregator, and performing business accounting on the non-private data;
uploading the private data to a block chain, and generating a secret key by the block chain and sending the secret key to a flexible resource owner;
sending a key request to the corresponding flexible resource owner according to the periodical random spot check requirement of the aggregator on the flexible resource owner,
if the flexible resource owner agrees to provide the secret key, increasing the trust value of the flexible resource owner to the aggregator, and the aggregator acquires the private data of the flexible resource owner according to the secret key and performs business accounting on the private data;
comparing the business accounting results of the non-private data and the private data, if the error is within a preset range, increasing the trust value of the aggregator to the flexible resource owner, and if the error exceeds the preset range, reducing the trust value of the aggregator to the flexible resource owner;
and if the flexible resource owner does not agree to provide the secret key, reducing the trust value of the flexible resource owner to the aggregator, and simultaneously reducing the trust value of the aggregator to the flexible resource owner.
2. The method of claim 1, wherein the non-private data includes flexible resource owner profile information and flexible resource response amount, response date, response start time, and response end time;
the private data includes active power of a flexible resource device owned by a flexible resource owner, the active power including a current active power of a response date and a historical active power prior to the response date.
3. The method as claimed in claim 2, wherein the business accounting of the non-private data includes extracting the flexible resource response from the non-private data
；
The business accounting of the private data comprises calculating corresponding response date according to a baseline load calculation rule based on historical active power of the flexible resource equipment
And response start/end time
The baseline load of the flexible resource owner; according to the base lineObtaining the standard response quantity of the flexible resource by the current active power of the load and the flexible resource equipment
。
4. The method as claimed in claim 3, wherein the calculating of the corresponding response date according to the baseline load calculation rule is performed
And response start/end time
The baseline load of the flexible resource owner includes:
obtaining response date
Front of
Response start/end time of a typical day
The historical active power of the flexible resource device at each sampling moment;
according to the front
The average value of the historical active power of the flexible resource device at each sampling moment of a typical day obtains the baseline load at each sampling moment:
wherein the content of the first and second substances,
is as follows
The baseline load at the time of day is,
is as follows
A typical Japanese
Historical active power of the flexible resource device at the moment;
obtaining response start/end times based on a baseline load at each sampling time
Baseline load of flexible resource owner at each moment in time:
wherein the content of the first and second substances,
in response to start/end times
The total number of sampling instants.
5. The method as claimed in claim 4, wherein the typical day selection comprises:
if the date of the response
Selecting a response date for the working day
The first 5 weekdays on which no resource response occurred were taken as the typical day, i.e.
；
If the date of the response
On a non-working day, the response date is selected
The first 3 non-workdays on which no resource response occurred are taken as typical days, i.e.
。
6. The method as claimed in claim 3, wherein the flexible resource standard response amount is a response amount of the flexible resource standard
Comprises the following steps:
wherein the content of the first and second substances,
is the date of response
Response start/end time of
The current active power of the flexible resource device at each sampling instant.
7. The method as claimed in claim 3, wherein the comparing the accounting result of the business accounting of the non-private data and the private data includes comparing the flexible resource response amount
And flexible resource standard response
And (6) carrying out comparison.
8. The method as claimed in claim 1, wherein the business accounting of the private data is performed under supervision of a third party agreed by the aggregator and the flexible resource owner.
9. The method as claimed in claim 1, wherein the trust value is bound to an assessment mechanism agreed by the aggregator and the flexible resource owner, and the aggregator and the flexible resource owner are assessed according to the assessment mechanism.
10. The method as claimed in claim 1, wherein the aggregator uploads both the rules of business accounting and the accounting results of business accounting to the blockchain.
11. A trust acquisition system for block chain based aggregators and flexible resource owners, the system comprising:
the data acquisition module is used for acquiring data information of a place where a flexible resource owner participating in flexible resource regulation is located;
the data dividing module is used for dividing the acquired data information into private data and non-private data;
the non-private data processing module is used for uploading the non-private data to the aggregator and performing business accounting on the non-private data;
the privacy data processing module is used for uploading the privacy data to the block chain, and the block chain generates a secret key and sends the secret key to the flexible resource owner;
a trust value obtaining module for sending a key request to the corresponding flexible resource owner according to the regular random spot check requirement of the aggregator to the flexible resource owner,
if the flexible resource owner agrees to provide the secret key, increasing the trust value of the flexible resource owner to the aggregator, and the aggregator acquires the private data of the flexible resource owner according to the secret key and performs business accounting on the private data;
comparing the accounting result of the business accounting of the non-private data with the accounting result of the business accounting of the private data, if the error is within a preset range, increasing the trust value of the aggregator to the flexible resource owner, and if the error exceeds the preset range, reducing the trust value of the aggregator to the flexible resource owner;
and if the flexible resource owner does not agree to provide the secret key, reducing the trust value of the flexible resource owner to the aggregator, and simultaneously reducing the trust value of the aggregator to the flexible resource owner.
12. A block chain-based aggregator and flexible resource owner trust acquisition device is characterized by comprising a processor and a storage medium;
the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method according to any one of claims 1-10.
13. Computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414633.1A CN114519592B (en) | 2022-04-20 | 2022-04-20 | Block chain-based trust acquisition method for aggregator and flexible resource owner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414633.1A CN114519592B (en) | 2022-04-20 | 2022-04-20 | Block chain-based trust acquisition method for aggregator and flexible resource owner |
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