CN109816159A - A kind of water meter control method based on prediction, water meter, control device - Google Patents
A kind of water meter control method based on prediction, water meter, control device Download PDFInfo
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Abstract
The water meter control method that the present embodiments relate to a kind of based on prediction, water meter, control device.The embodiment of the present invention is trained corresponding first data information of the first duration water meter got by water meter, obtain water first uses rate, water meter second is compared using rate by first with what is got from control device using rate, when being greater than second using rate using rate in response to first, water meter is sent to control device using rate for first, so as to the technical solution for the up time that control device uses rate calculations water based on first, avoid water meter in the prior art in real time or periodically to the use data of control device feedback water when, caused by water meter battery consume fast technical problem, it realizes energy saving, ensure the service life of water meter, ensure the technical effect of the water demand of user.
Description
Technical field
The present embodiments relate to water meter control technology field more particularly to a kind of water meter control method based on prediction,
Water meter, control device.
Background technique
With the continuous development of technology of Internet of things, Internet of Things is applied to different fields using universal.Currently, base
In the connected applications of Internet of Things and water meter known to user.
It in the prior art, is the usage amount for understanding user's water in time, control device (control centre) requires water meter real-time
Or usage quantity is reported with certain frequency.
In the implementation of the present invention, discovery at least exists: water meter is counted inventor according to the real-time or fixed cycle
The problem of according to reporting, mass data has no too big use, also creates the waste of battery.
Summary of the invention
The technical problem to be solved by the present invention is to provide one kind and be based on for the drawbacks described above in the presence of the prior art
The water meter control method of prediction, water meter, control device exist in the prior art waste battery to solve, shorten water meter and use
The problem of service life.
According to an aspect of an embodiment of the present invention, the water meter controlling party based on prediction that the embodiment of the invention provides a kind of
Method, which comprises
Corresponding first data information of the first duration got is trained, obtain water first uses rate；
Described first second is compared using rate with what is got from control device using rate；
When being greater than described second using rate using rate in response to described first, described first is sent to using rate
The control device.
Further, corresponding first data information of described pair of the first duration got is trained, and obtains the of water
One uses rate, specifically includes:
First data information is trained, the first prediction model is obtained, wherein first prediction model are as follows:
θ1 s=(hs(t1)-θ0 s)/t1；
Described first, which is obtained, based on first prediction model uses rate；
Wherein, θ0 sThe initial value of water, θ are corresponded to for first duration1 sMake for first duration corresponding described first
With rate, t1For the corresponding first time information of first duration, hs(t1) it is the current of the corresponding water of first duration
Value.
Further, the method also includes initializing:
Based on the frequency that the control device is sent, Xiang Suoshu control device feedback water uses data information；
Wherein, the use data information includes first data information.
Other side according to an embodiment of the present invention, the water meter control based on prediction that the embodiment of the invention also provides a kind of
Method processed is applied to control device, which comprises
Corresponding second data information of the second duration water meter got is trained, obtain water second uses speed
Rate；
The water meter is sent to using rate by described second；
In response to water meter feedback, first when greater than described second using rate uses rate, the control dress
Set the up time based on described first using rate calculations water.
Further, described pair of corresponding second data information of the second duration water meter got is trained, and obtains water
Second use rate, specifically include:
Second data information is trained, the second prediction model is obtained, wherein second prediction model are as follows:
θ1=(h (t2)-θ0)/t2；
Described second, which is obtained, based on second prediction model uses rate；
Wherein, θ0The initial value of water, θ are corresponded to for second duration1It is used for second duration corresponding described second
Rate, t2For corresponding second temporal information of second duration, h (t2) be the corresponding water of second duration current value.
Further, the method also includes initializing:
Based on the water rate information got, the frequency using data information that the water meter feeds back water to it is calculated；
The frequency is sent to the water meter；
Wherein, the use data information includes second data information.
Other side according to an embodiment of the present invention, the embodiment of the invention also provides a kind of water meter, the water meter packet
It includes: the first training module, comparison module, the first sending module, wherein
First training module is used for: being trained, is obtained to corresponding first data information of the first duration got
First to water uses rate；
The comparison module is used for: by described first using rate with get from control device second using rate into
Row compares；
First sending module is used for:, will when being greater than described second using rate using rate in response to described first
Described first is sent to the control device using rate.
Further, first training module is specifically used for:
First data information is trained, the first prediction model is obtained, wherein first prediction model are as follows:
θ1 s=(hs(t1)-θ0 s)/t1；
Described first, which is obtained, based on first prediction model uses rate；
Wherein, θ0 sThe initial value of water, θ are corresponded to for first duration1 sMake for first duration corresponding described first
With rate, t1For the corresponding first time information of first duration, hs(t1) it is the current of the corresponding water of first duration
Value.
Further, first sending module is also used to:
Based on the frequency that the control device is sent, Xiang Suoshu control device feedback water uses data information；
Wherein, the use data information includes first data information.
Other side according to an embodiment of the present invention, the embodiment of the invention also provides a kind of control device, the control
Device processed includes: the second training module, the second sending module, computing module, wherein
Second training module is used for: being instructed to corresponding second data information of the second duration water meter got
Practice, obtain water second uses rate；
Second sending module is used for: being sent to the water meter using rate for described second；
The computing module is used for: in response to water meter feedback, first when greater than described second using rate makes
With rate, the up time for using rate calculations water based on described first.
Further, second prediction model are as follows: θ1=(h (t2)-θ0)/t2；
Described second, which is obtained, based on second prediction model uses rate；
Wherein, θ0The initial value of water, θ are corresponded to for second duration1It is used for second duration corresponding described second
Rate, t2For corresponding second temporal information of second duration, h (t2) be the corresponding water of second duration current value.
The beneficial effect of the embodiment of the present invention is, corresponding to the first duration water meter got due to using water meter
First data information is trained, and is obtained the first of water and is used rate, water meter is obtained first using rate with from control device
To second be compared using rate, when being greater than second using rate using rate in response to first, water meter is used first
Rate is sent to control device, the up time for using rate calculations water based on first so as to control device, wherein second makes
It is that control device is trained corresponding second data information of the second duration water meter got with rate, when first
It grows less than the second duration, and the first duration and the closer technical solution of current point in time, it is real-time to avoid water meter in the prior art
Or periodically to control device feedback water use data when, caused by water meter battery consume fast technical problem, realize saving
The energy ensures the service life of water meter, ensures the technical effect of the water demand of user.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the water meter control method based on prediction provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the water meter control method based on prediction provided in an embodiment of the present invention；
Fig. 3 is a kind of module diagram of water meter provided in an embodiment of the present invention；
Fig. 4 is a kind of module diagram of control device provided in an embodiment of the present invention；
Appended drawing reference:
1, the first training module；2, comparison module；3, the first sending module；4, the second training module；5, second mould is sent
Block；6, computing module.
Specific embodiment
In being described below, for illustration and not for limitation, propose such as specific system structure, interface, technology it
The detail of class, to understand thoroughly the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system and method
Detailed description, in order to avoid unnecessary details interfere description of the invention.
The water meter control method that the embodiment of the invention provides a kind of based on prediction, water meter, control device.
According to an aspect of an embodiment of the present invention, the embodiment of the invention provides
Referring to Fig. 1, Fig. 1 is a kind of process signal of water meter control method based on prediction provided in an embodiment of the present invention
Figure.
As shown in Figure 1, this method comprises:
S1: water meter is trained corresponding first data information of the first duration water meter got, obtains the first of water
Use rate.
In this step, it is based on the first data information, determines the use rate of the water in the first duration, i.e., first uses speed
Rate.
Wherein, S1 is specifically included:
S1-1: being trained the first data information, obtains the first prediction model, wherein the first prediction model are as follows: θ1 s=
(hs(t1)-θ0 s)/t1。
Wherein, θ0 sThe initial value of water, θ are corresponded to for the first duration1 sRate, t are used for the first duration corresponding first1It is
The corresponding first time information of one duration, hs(t1) be the corresponding water of the first duration current value.
S1-2: first is obtained based on the first prediction model and uses rate；
That is, obtaining to the use rate of the corresponding water of certain time period, it is specially based on the period pair
The data information answered is trained, and obtains corresponding prediction model.
Wherein, the first prediction model can be as accurate as minute, can hour be basic unit, less than one hour according to one
Hour calculates.
S2: water meter second is compared using rate by first with what is got from control device using rate.
Wherein, second using rate be control device to corresponding second data information of the second duration water meter got into
Row training obtains.
Wherein, the first duration is less than the second duration, and the first duration and current point in time are closer.
S3: when being greater than second using rate using rate in response to first, water meter is sent to control using rate for first
Device, the up time for using rate calculations water based on first so as to control device.
When first is greater than second using rate using rate, then illustrate the first duration of water meter uses the second duration of speed ratio
Use rate it is fast, i.e. the use rate of water meter is being accelerated.At this point, water meter is sent to control device using rate for first, with
Just control device calculates the up time of water.To realize the adjustment up time in time, user is avoided to owe
The drawbacks of taking and being stopped using water.
And in the present embodiment, only when first is greater than second using rate using rate, water meter just carries out data letter
Breath reports.Avoiding water meter in the prior art to control device reports frequency excessively high, then is likely to occur customer charge and does not surpass
Still water meter battery is depleted for volume；Report underfrequency, in fact it could happen that user's excess, and water meter is appointed and is not reported so, causes
Overdraw in turn results in loss.
In a kind of technical solution in the cards, before S1, this method further include:
S4: the frequency sent based on control device uses data information to control device feedback water.
Wherein, frequency is that control device is calculated based on the water rate information got, the use of data information includes the
One data information and the second data information.
Other side according to an embodiment of the present invention, the water meter control based on prediction that the embodiment of the invention also provides a kind of
Method processed is applied to control device.
As shown in Fig. 2, this method comprises:
S11: control device is trained corresponding second data information of the second duration water meter got, obtains water
Second uses rate.
In this step, it is based on the second data information, determines the use rate of the water in the second duration, i.e., second uses speed
Rate.
Wherein, S11 is specifically included:
S11-1: being trained the second data information, obtains the second prediction model, wherein the second prediction model are as follows: θ1
=(h (t2)-θ0)/t2。
Wherein, θ0The initial value of water, θ are corresponded to for the second duration1Rate, t are used for the second duration corresponding second2It is
Corresponding second temporal information of two durations, h (t2) be the corresponding water of the second duration current value.
S11-2: second is obtained based on the second prediction model and uses rate.
That is, obtaining to the use rate of the corresponding water of certain time period, it is specially based on the period pair
The data information answered is trained, and obtains corresponding prediction model.
S12: control device is sent to water meter using rate for second, so that water meter is used second using rate with first
Rate is compared, wherein first is using rate: the water meter is to corresponding first data of the first duration water meter got
What information was trained.
S13: in response to water meter feedback, first when greater than second using rate uses rate, and control device is based on the
One uses the up time of rate calculations water.
Wherein, the first duration is less than the second duration, and the first duration and current point in time are closer.
In a kind of technical solution in the cards, before S11, this method further include:
S14: control device calculates the frequency using data information that water meter feeds back water to it based on the water rate information got
Rate.
S15: frequency is sent to water meter by control device, so that water meter is believed to control device feedback using data according to frequency
Breath.
It wherein, the use of data information include the first data information and the second data information.
To make the technical solution more thorough explanation to the embodiment of the present invention, now in conjunction with the prior art to the embodiment of the present invention
The water meter control method based on prediction provided is explained in detail.
The water meter in smart home (intellectual water meter) is powered by battery at present, and water meter is real-time or comments rate to control by scheduled
Device feedback water information processed.But since battery capacity is limited, the duty cycle is generally to be differed some months by several years, water meter
In most power consumption process be wireless communication procedure, i.e. water meter and control device data exchange process.
And in this application, water meter is in such a way that " long and short cycle " combines to control device feedback water information.From
And realize saving battery capacity, that is, the technical effect to economize on resources.Also achieve extend as far as possible water meter simultaneously uses the longevity
The technical effect of life.Certainly, the technical effect for improving the experience of user is also achieved.Specifically, the embodiment of the present invention includes:
S100: control device is after getting the water rate that user pays, based on reporting using data for water rate calculating water meter
The frequency of information.
It is understood that the rate using water before user can be known.So before based on the user
Using the rate of water and this water rate paid, the number of days that the user may use is calculated.It is determined based on the number of days that may be used
Frequency.When the number of days that may be used is longer, when such as 2 months, then frequency can be set to 10 days once.When the number of days that may be used compared with
It is short, when such as 5 days, then frequency can be set to 1 day once.Certainly, data list herein is intended merely to deepen the side to embodiment
The understanding of case, and should not be understood as the restriction to the range of the present embodiment.
S200: water meter, which will be based on frequency, to use data information to be sent to control device.
S300: to using in data information, the first data information corresponding with the first duration is trained water meter, is obtained
First uses rate.
S400: to using in data information, the second data information corresponding with the second duration is trained control device, is obtained
Rate is used to second, and is sent to water meter using rate for second.
Wherein, S300 and S400 can be the step of being performed simultaneously.First duration and current point in time are closer.Specifically:
Water meter is trained current point in time to the first data information a few days ago (for current point in time),
It obtains first and uses rate.And control device is to the second number of current point in time to preceding ten days (for current point in time)
It is believed that breath is trained, obtains second and use rate.That is, first can more embody user using rate in current water
Service condition.
It is no longer superfluous herein since the concrete details scheme of S300 and S400 has been described in the above-described embodiments
It states.
S500: water meter is compared first using rate and second using rate.
If first, which is greater than second using rate, uses rate, illustrate that user uses the rate of water obviously to increase in the recent period,
There may be in advance finished the corresponding water of water rate.In order to avoid water is finished by user in advance, and the problem of cut off the water, after
It is continuous to execute:
S600: water meter will be greater than second and be sent to control device using rate using the first of rate.
S700: control device is recalculated based on first using up time of the rate to water, to mention in time
Awake user pays water rate, avoids inconvenience as caused by cutting off the water etc..
That is, in the present embodiment, only when water meter is compared first using rate and second using rate,
And first is determined when being greater than second using rate using rate, second just is sent to control device and uses rate, has been saved in real time
Or when regularly sending data information, caused by the drawbacks such as battery consumption.
Other side according to an embodiment of the present invention, the embodiment of the present invention also provide a kind of water meter.
Referring to Fig. 3, Fig. 3 is a kind of module diagram of water meter provided in an embodiment of the present invention.
As shown in figure 3, the water meter includes: the first training module, comparison module, the first sending module, wherein the first training
Module is used for: being trained to corresponding first data information of the first duration water meter got, obtain water first uses speed
Rate.
Comparison module is used for: first second is compared using rate with what is got from control device using rate.
First sending module is used for: when being greater than second using rate using rate in response to first, using rate for first
It is sent to control device, the up time for using rate calculations water based on first so as to control device.
Wherein, second using rate be control device to corresponding second data information of the second duration water meter got into
Row training obtains, and the first duration is less than the second duration, and the first duration and current point in time are closer.
In a kind of technical solution in the cards, the first training module is specifically used for:
First data information is trained, the first prediction model is obtained, wherein the first prediction model are as follows: θ1 s=(hs
(t1)-θ0 s)/t1。
First, which is obtained, based on the first prediction model uses rate.
Wherein, θ0 sThe initial value of water, θ are corresponded to for the first duration1 sRate, t are used for the first duration corresponding first1It is
The corresponding first time information of one duration, hs(t1) be the corresponding water of the first duration current value.
In a kind of technical solution in the cards, the first sending module is also used to:
Based on the frequency that control device is sent, data information is used to control device feedback water.
Wherein, frequency is that control device is calculated based on the water rate information got, the use of data information includes the
One data information and the second data information.
Other side according to an embodiment of the present invention, the embodiment of the present invention also provide a kind of control device.
Referring to Fig. 4, Fig. 4 is a kind of module diagram of control device provided in an embodiment of the present invention.
As shown in figure 4, the control device includes: the second training module, the second sending module, computing module, wherein
Second training module is used for: being trained, is obtained to corresponding second data information of the second duration water meter got
Second to water uses rate.
Second sending module is used for: water meter is sent to using rate for second, so that water meter uses rate and for second
One is compared using rate, wherein first is using rate: water meter the first number corresponding to the first duration water meter got
It is believed that breath was trained.
Computing module is used for: in response to water meter feedback, first when greater than second using rate uses rate, based on the
One uses the up time of rate calculations water.
Wherein, the first duration is less than the second duration, and the first duration and current point in time are closer.
In a kind of technical solution in the cards, the second training module is specifically used for:
Second data information is trained, the second prediction model is obtained, wherein the second prediction model are as follows: θ1=(h
(t2)-θ0)/t2。
Second, which is obtained, based on the second prediction model uses rate.
Wherein, θ0The initial value of water, θ are corresponded to for the second duration1Rate, t are used for the second duration corresponding second2It is
Corresponding second temporal information of two durations, h (t2) be the corresponding water of the second duration current value.
In a kind of technical solution in the cards, computing module is also used to:
Based on the water rate information got, the frequency using data information that water meter feeds back water to it is calculated.
Frequency is sent to water meter by control device, so that water meter uses data information to control device feedback according to frequency.
It wherein, the use of data information include the first data information and the second data information.
The embodiment of the present invention is trained corresponding first data information of the first duration water meter got by water meter,
The first of water is obtained using rate, water meter second is compared using rate by first with what is got from control device using rate
Compared with, when being greater than second using rate using rate in response to first, water meter is sent to control device using rate for first, so as to
Control device based on first using rate calculations water up time, wherein second using rate is control device to acquisition
To the second duration water meter corresponding second data information be trained, the first duration is less than the second duration, and first
Duration and the closer technical solution of current point in time avoid water meter in the prior art and feed back water to control device in real time or periodically
Use data when, caused by water meter battery consume fast technical problem, realize it is energy saving, ensure water meter use the longevity
Life, ensures the technical effect of the water demand of user.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, structure
Or feature is included at least one embodiment or example of the invention.In the present specification, to the schematic of above-mentioned term
Statement need not be directed to identical embodiment or example.Moreover, specific features, structure or the feature of description can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is set, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can select some or all of unit therein according to the actual needs to realize the mesh of the embodiment of the present invention
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes all or part of each embodiment method of the present invention
Step.And storage medium above-mentioned include: USB flash disk, it is mobile hard disk, read-only memory (ROM, Read-Only Memory), random
Access various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
It should also be understood that magnitude of the sequence numbers of the above procedures are not meant to execute sequence in various embodiments of the present invention
It is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Journey constitutes any restriction.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of water meter control method based on prediction, which is characterized in that the described method includes:
Corresponding first data information of the first duration got is trained, obtain water first uses rate；
Described first second is compared using rate with what is got from control device using rate；
When being greater than described second using rate using rate in response to described first, described first is sent to using rate described
Control device.
2. the water meter control method according to claim 1 based on prediction, which is characterized in that the first duration got
Corresponding first data information is trained, and obtain water first uses rate, is specifically included:
First data information is trained, the first prediction model is obtained, wherein first prediction model are as follows: θ1 s=
(hs(t1)-θ0 s)/t1；
Described first, which is obtained, based on first prediction model uses rate；
Wherein, θ0 sFor the initial value of the corresponding water of first duration, θ1 sIt is used for first duration corresponding described first
Rate, t1For the corresponding first time information of first duration, hs(t1) be the corresponding water of first duration current value.
3. the water meter control method according to claim 1 or 2 based on prediction, which is characterized in that the method also includes
The step of initialization:
Based on the frequency that the control device is sent, Xiang Suoshu control device feedback water uses data information；
Wherein, the use data information includes first data information.
4. a kind of water meter control method based on prediction, which is characterized in that the described method includes:
Corresponding second data information of the second duration water meter got is trained, obtain water second uses rate；
The water meter is sent to using rate by described second；
Rate is used in response to water meter feedback, first when greater than described second using rate, is made based on described first
With the up time of rate calculations water.
5. the water meter control method according to claim 4 based on prediction, which is characterized in that the second duration got
Corresponding second data information of water meter is trained, and obtain water second uses rate, is specifically included:
Second data information is trained, the second prediction model is obtained, wherein second prediction model are as follows: θ1=(h
(t2)-θ0)/t2；
Described second, which is obtained, based on second prediction model uses rate；
Wherein, θ0For the initial value of the corresponding water of second duration, θ1Speed is used for second duration corresponding described second
Rate, t2For corresponding second temporal information of second duration, h (t2) be the corresponding water of second duration current value.
6. the water meter control method according to claim 4 or 5 based on prediction, which is characterized in that the method also includes
The step of initialization:
Based on the water rate information got, the frequency using data information that the water meter feeds back water to it is calculated；
The frequency is sent to the water meter；
Wherein, the use data information includes second data information.
7. a kind of water meter, which is characterized in that the water meter includes: the first training module, comparison module, the first sending module,
In,
First training module is used for: corresponding first data information of the water meter described in the first duration got is instructed
Practice, obtain water first uses rate；
The comparison module is used for: described first second is compared using rate with what is got from control device using rate
Compared with；
First sending module is used for:, will be described when being greater than described second using rate using rate in response to described first
First is sent to the control device using rate.
8. water meter according to claim 7, which is characterized in that first training module is specifically used for:
First data information is trained, the first prediction model is obtained, wherein first prediction model are as follows: θ1 s=
(hs(t1)-θ0 s)/t1；
Described first, which is obtained, based on first prediction model uses rate；
Wherein, θ0 sThe initial value of water, θ are corresponded to for first duration1 sSpeed is used for first duration corresponding described first
Rate, t1For the corresponding first time information of first duration, hs(t1) be the corresponding water of first duration current value.
9. a kind of control device, which is characterized in that the control device includes: the second training module, and the second sending module calculates
Module, wherein
Second training module is used for: being trained, is obtained to corresponding second data information of the second duration water meter got
Second to water uses rate；
Second sending module is used for: being sent to the water meter using rate for described second；
The computing module is used for: using speed in response to water meter feedback, first when greater than described second using rate
Rate, the up time for using rate calculations water based on described first.
10. control device according to claim 9, which is characterized in that second training module is specifically used for:
Second data information is trained, the second prediction model is obtained, wherein second prediction model are as follows: θ1=(h
(t2)-θ0)/t2；
Described second, which is obtained, based on second prediction model uses rate；
Wherein, θ0The initial value of water, θ are corresponded to for second duration1Speed is used for second duration corresponding described second
Rate, t2For corresponding second temporal information of second duration, h (t2) be the corresponding water of second duration current value.
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| CN201910015648.9A CN109816159B (en) | 2019-01-08 | 2019-01-08 | Water meter control method, water meter and control device based on prediction |
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