CN109379437A - Output Velocity Dealing Method and system based on data buffer storage - Google Patents
Output Velocity Dealing Method and system based on data buffer storage Download PDFInfo
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Abstract
The present invention relates to a kind of Output Velocity Dealing Method and system based on data buffer storage, method is the following steps are included: creation data buffer zone, every acquisition time threshold value, acquisition Devices to test obtains the quantity of semaphore in acquisition time threshold value, and the acquisition data of the quantity of acquired semaphore are pressed the ordered storage of acquisition time to the data buffer zone；When adding up maximum storage amount of the acquired data in the data buffer zone greater than the data buffer zone, successively reject the data stored by earliest time, to update the storage data in the data buffer zone, every output time threshold, obtain the average value that semaphore is obtained in the unit time being stored in the data buffer zone, and according to the average value of acquired semaphore, Mean Speed is obtained.The problems such as smoothing processing for realizing real-time speed, the rate for solving conventional Christmas technology is unstable, jumping characteristic, rate are interrupted, guarantee the smooth steady control of external controlled plant or related system eventually.
Description
Technical field
The present invention relates to technical field of software engineering, more particularly to a kind of Output Velocity Dealing Method based on data buffer storage and
System.
Background technique
Speed acquisition is the commonly used technology of industrial control field.On some particular devices, such as Exercycle
Deng can not reliably calculate real-time speed value since inductive signal frequency is lower.
Summary of the invention
Based on this, it is necessary to for existing acquisition technique rate is unstable, jumping characteristic, rate disruption, provide one
Output Velocity Dealing Method and system of the kind based on data buffer storage.
A kind of Output Velocity Dealing Method based on data buffer storage, comprising the following steps:
Data buffer zone is created, the maximum storage amount of the data buffer zone storage data is defined；
Every acquisition time threshold value, the quantity that Devices to test obtains semaphore in acquisition time threshold value is acquired, and by institute
The acquisition data for obtaining the quantity of semaphore press the ordered storage of acquisition time to the data buffer zone；
When adding up maximum storage amount of the acquired data in the data buffer zone greater than the data buffer zone, successively pick
Except the data stored by earliest time, to update the storage data in the data buffer zone, and protect the data buffer zone
It is held in maximum storage amount；
It is obtained every output time threshold according to the quantity of the acquisition semaphore stored in real time in the data buffer zone
The average value of semaphore is obtained in the unit time being stored in the data buffer zone, and according to the flat of acquired semaphore
Mean value obtains Mean Speed.
In a wherein preferred embodiment, the output time threshold is greater than the acquisition time threshold value.
In a wherein preferred embodiment, the output time threshold is the multiple of the acquisition time threshold value.
In a wherein preferred embodiment, the output time threshold is the acquisition time threshold value multiplied by the number
According to the maximum storage amount of buffer area.
The method of above embodiment of the present invention realizes the smoothing processing of real-time speed, demonstrate,proves the linear coherence of output speed,
The problems such as rate for solving conventional Christmas technology is unstable, jumping characteristic, rate are interrupted, guarantees external controlled plant or correlation eventually
The smooth steady of system controls.
A kind of speed processing system based on data buffer storage, comprising:
Data buffering module defines the maximum storage of the data buffer zone storage data to create data buffer zone
Amount；
Semaphore acquisition module obtains the quantity of semaphore to acquire Devices to test in acquisition time threshold value, and will
The acquisition data of the quantity of acquired semaphore are by the ordered storage of acquisition time to the data buffer zone；
Processing module, to work as the maximum storage for adding up the acquired data in the data buffer zone greater than the data buffer zone
When storage, the data stored by earliest time are successively rejected, to update the storage data in the data buffer zone, and are made described
Data buffer zone is held in maximum storage amount；
Output module, believed according to the acquisition stored in real time in the data buffer zone every output time threshold
The quantity of number amount, obtains the average value that semaphore is obtained in the unit time being stored in the data buffer zone, and according to institute
The average value for obtaining semaphore, obtains Mean Speed.
In a wherein preferred embodiment, the output time threshold is greater than the acquisition time threshold value.
In a wherein preferred embodiment, the output time threshold is the multiple of the acquisition time threshold value.
In a wherein preferred embodiment, the output time threshold is the acquisition time threshold value multiplied by the number
According to the maximum storage amount of buffer area.
The system of above embodiment of the present invention realizes the smoothing processing of real-time speed, demonstrate,proves the linear coherence of output speed,
The problems such as rate for solving conventional Christmas technology is unstable, jumping characteristic, rate are interrupted, guarantees external controlled plant or correlation eventually
The smooth steady of system controls.
Detailed description of the invention
Fig. 1 is the flow diagram of the Output Velocity Dealing Method based on data buffer storage in a preferred embodiment of the invention；
Fig. 2 is the module diagram of the speed processing system based on data buffer storage in a preferred embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
A kind of Output Velocity Dealing Method based on data buffer storage, comprising the following steps:
S1: creation data buffer zone defines the maximum storage amount of the data buffer zone storage data；
In this step, can be in the creation data buffer zone of certain chip, the data buffer zone is for storing following winks
When movement speed corresponding data define the maximum storage amount of data stored by the data buffer zone in the data buffer zone.
Such as in present embodiment, the corresponding data of following instantaneous movement speeds stored by the data buffer zone is 5.
S2: acquisition Devices to test obtains the quantity of semaphore in acquisition time threshold value, and by the number of acquired semaphore
The acquisition data of amount are by the ordered storage of acquisition time to the data buffer zone；
Usually in body-building equipment, such as Spinning, treadmill etc., in movement, componental movement motive position is logical
All be often make cycle movement, such as Spinning wheel do cycle movement, the shaft in treadmill is doing periodicity
Movement.
In present embodiment, signal transducer is placed on the position for doing cycle movement in fitness equipment, in this way will
The semaphore of the continuous collecting motive position.
In this step, set acquisition time threshold value, in present embodiment, set acquisition time threshold value as 2S, acquire to
The signal transducer of the motive position of fitness equipment is arranged in 2S due to the signal collected amount of cycle movement in measurement equipment
Quantity.
Then, the data of above-mentioned velocity sensor instantaneous velocity collected are stored in number according to the sequence of acquisition time one by one
According to buffer area, such as above-mentioned velocity sensor is n1, in the second time threshold in first time threshold t1 moment collected speed
Value t2 moment collected speed is n2, is n3, in the 4th time threshold in third time threshold t3 moment collected speed
T4 moment collected speed is n4, is n5 ... in the 5th time threshold t5 moment collected speed, just successively by n1, n2,
N3, n3, n4, n5 are stored in following data buffer zones, t1, t2 in t present embodiment, t3, t4, t5, are set as 2s.
S3: when adding up maximum storage amount of the data buffer zone data collected greater than the data buffer zone,
The data stored by earliest time are successively rejected, to update the storage data in the data buffer zone, and keep the data slow
It rushes area and is held in maximum storage amount；
In this step, after the data added up in the data buffer zone are greater than the maximum storage amount of the data buffer zone,
The data stored by earliest time are successively rejected, to update the storage data in the data buffer zone, and keep the data slow
It rushes area and is held in maximum storage amount.
Specifically, embodiment in S2 step is connect to discuss, in present embodiment, due in above-mentioned data buffer zone most
Big storage capacity is 5, and in the previous step, after n1, n2, n3, n3, n4, n5 are stored in above-mentioned data buffer zone, the data are slow
Area is rushed to reach maximum storage capacity, after this, if above-mentioned velocity sensor continues to acquire the movement speed of Devices to test, example
It such as, is n6 in the 6th time threshold t6 moment collected number of signals, when by the data storage of n6 to above-mentioned data buffering
The data of above-mentioned n1 are just rejected in Qu Hou, the data buffer zone, and data stored in data buffer zone at this time be n2,
N3, n3, n4, n5, n6, then, collecting number of signals at the 7th time threshold t7 moment is n7, when by the data storage of n7
To after above-mentioned data buffer zone, which just rejects the data of above-mentioned n2, and is stored up in data buffer zone at this time
The data deposited are n3, n4, n5, n6, and n7 successively updates the data in the data buffer zone in this way.
S4: every output time threshold, according to the quantity of the acquisition semaphore of storing in the data buffer zone in real time,
The average value that semaphore is obtained in the unit time being stored in the data buffer zone is obtained, and according to acquired semaphore
Average value obtains Mean Speed.
In this step, every output time threshold, calculate and export be stored in it is multiple instantaneous in above-mentioned data buffer zone
The average value of movement speed.
Specifically, in present embodiment, above-mentioned output time threshold is greater than acquisition time threshold value, it is highly preferred that above-mentioned defeated
When time threshold it is out the multiple of above-mentioned acquisition time threshold value, for example, it is defeated to set this as above-mentioned acquisition time threshold value t1=2s
Time threshold T1 is 4s out, and when reaching first above-mentioned output time threshold when 4s, above-mentioned data buffer zone has stored n1, n2
Two incremental datas, then, processing obtains the number average of n1 and n2, and according to the fortune of the average value combination Devices to test
Dynamic position constructs to obtain the average speed of Devices to test, generally, average speed=Devices to test circumference × (n1+n2)/2 ÷
4.When reaching second above-mentioned output time threshold 4s, above-mentioned data buffer zone has stored n1, n2, n3, n4, then this moment defeated
The average value of n1, n2, n3, n4 out, generally, average speed=Devices to test circumference × (n1+n2+n3+n4)/4 ÷ 8.When
When reaching the above-mentioned output time threshold 4s of third, above-mentioned data buffer zone has stored n2, n3, n4, n5, n6, rejects n1, then
The average value of n2, n3, n4, n5, n6, average speed=Devices to test circumference × (n2+n3+n4+n5+n6)/5 ÷ are exported this moment
10。
The disclosed output time threshold of another preferred embodiment of present embodiment is the acquisition time threshold value multiplied by described
The maximum storage amount of data buffer zone, for example, above-mentioned acquisition time threshold value is 2s, and the maximum storage amount of data buffer zone is 5
It is a, then above-mentioned output time threshold is 10s, when reaching first above-mentioned output time threshold 10s, above-mentioned data buffer zone
N1, n2, n3, n4, n5 are stored, then exporting the average value of n1, n2, n3, n4, n5 this moment.When reaching second above-mentioned output
When time threshold 10s, above-mentioned data buffer zone has stored n6, n7, n8, n9, n10, then exporting n6, n7, n8, n9, n10 this moment
Average value.
The method of above embodiment of the present invention realizes the smoothing processing of real-time speed, demonstrate,proves the linear coherence of output speed,
The problems such as rate for solving conventional Christmas technology is unstable, jumping characteristic, rate are interrupted, guarantees external controlled plant or correlation eventually
The smooth steady of system controls.
A kind of speed processing system 100 based on data buffer storage, including data buffering module 110, speed acquisition module
120, processing module 130, output module 140.
Data buffering module 110 defines the maximum storage of the data buffer zone storage data to create data buffer zone
Storage.
The data buffering module 110 is in the creation data buffer zone of certain chip, the data buffer zone is for storing
The corresponding data of following instantaneous movement speeds defines the maximum of data stored by the data buffer zone in the data buffer zone
Storage capacity.Such as in present embodiment, the corresponding data of following instantaneous movement speeds stored by the data buffer zone is 5.
Speed acquisition module 120 obtains the quantity of semaphore to acquire Devices to test in acquisition time threshold value, and will
The acquisition data of the quantity of acquired semaphore are by the ordered storage of acquisition time to the data buffer zone；
Usually in body-building equipment, such as Spinning, treadmill etc., in movement, componental movement motive position is logical
All be often make cycle movement, such as Spinning wheel do cycle movement, the shaft in treadmill is doing periodicity
Movement.
In present embodiment, signal transducer is placed on the position for doing cycle movement in fitness equipment, in this way will
The semaphore of the continuous collecting motive position.
In this step, set acquisition time threshold value, in present embodiment, set acquisition time threshold value as 2S, acquire to
The signal transducer of the motive position of fitness equipment is arranged in 2S due to the signal collected amount of cycle movement in measurement equipment
Quantity.
Then, the data of above-mentioned velocity sensor instantaneous velocity collected are stored in number according to the sequence of acquisition time one by one
According to buffer area, such as above-mentioned velocity sensor is n1, in the second time threshold in first time threshold t1 moment collected speed
Value t2 moment collected speed is n2, is n3, in the 4th time threshold in third time threshold t3 moment collected speed
T4 moment collected speed is n4, is n5 ... in the 5th time threshold t5 moment collected speed, just successively by n1, n2,
N3, n3, n4, n5 are stored in following data buffer zones, t1, t2 in t present embodiment, t3, t4, t5, are set as 2s.
Processing module 130 adds up data buffer zone data collected most greater than the data buffer zone to work as
When big storage capacity, the data stored by earliest time are successively rejected, to update the storage data in the data buffer zone, and are made
The data buffer zone is held in maximum storage amount；
Processing module 130 is greater than the maximum storage amount of the data buffer zone when the data added up in the data buffer zone
Afterwards, the data stored by earliest time are successively rejected, to update the storage data in the data buffer zone, and make the data
Buffer area is held in maximum storage amount.
Specifically, in present embodiment, since the maximum storage amount in above-mentioned data buffer zone is 5, in previous step
In rapid, after n1, n2, n3, n3, n4, n5 are stored in above-mentioned data buffer zone, the data buffer zone is to reach maximum storage
Amount, after this, if above-mentioned velocity sensor continues to acquire the movement speed of Devices to test, for example, in the 6th time threshold t6
Moment collected number of signals is n6, and after by the data storage of n6 to above-mentioned data buffer zone, the data buffer zone is just
The data of above-mentioned n1 are rejected, and data stored in data buffer zone at this time are n2, n3, n3, n4, n5, n6, then,
The 7th time threshold t7 moment collect number of signals be n7, when by the data storage of n7 arrive above-mentioned data buffer zone after, this
The data of above-mentioned n2 are just rejected in data buffer zone, and data stored in data buffer zone at this time are n3, n4, n5, n6,
N7 successively updates the data in the data buffer zone in this way.
Output module 140 to every output time threshold, according to the acquisition stored in real time in the data buffer zone
The quantity of semaphore, obtains the average value that semaphore is obtained in the unit time being stored in the data buffer zone, and according to
The average value of acquired semaphore, obtains Mean Speed.
Every output time threshold, calculates and export the multiple instantaneous movement speeds being stored in above-mentioned data buffer zone
Average value.
Specifically, in present embodiment, above-mentioned output time threshold is greater than acquisition time threshold value, it is highly preferred that above-mentioned defeated
When time threshold it is out the multiple of above-mentioned acquisition time threshold value, for example, it is defeated to set this as above-mentioned acquisition time threshold value t1=2s
Time threshold T1 is 4s out, and when reaching first above-mentioned output time threshold when 4s, above-mentioned data buffer zone has stored n1, n2
Two incremental datas, then, processing obtains the number average of n1 and n2, and according to the fortune of the average value combination Devices to test
Dynamic position constructs to obtain the average speed of Devices to test, generally, average speed=Devices to test circumference × (n1+n2)/2 ÷
4.When reaching second above-mentioned output time threshold 4s, above-mentioned data buffer zone has stored n1, n2, n3, n4, then this moment defeated
The average value of n1, n2, n3, n4 out, generally, average speed=Devices to test circumference × (n1+n2+n3+n4)/4 ÷ 8.When
When reaching the above-mentioned output time threshold 4s of third, above-mentioned data buffer zone has stored n2, n3, n4, n5, n6, rejects n1, then
The average value of n2, n3, n4, n5, n6, average speed=Devices to test circumference × (n2+n3+n4+n5+n6)/5 ÷ are exported this moment
10。
The disclosed output time threshold of another preferred embodiment of present embodiment is the acquisition time threshold value multiplied by described
The maximum storage amount of data buffer zone, for example, above-mentioned acquisition time threshold value is 2s, and the maximum storage amount of data buffer zone is 5
It is a, then above-mentioned output time threshold is 10s, when reaching first above-mentioned output time threshold 10s, above-mentioned data buffer zone
N1, n2, n3, n4, n5 are stored, then exporting the average value of n1, n2, n3, n4, n5 this moment.When reaching second above-mentioned output
When time threshold 10s, above-mentioned data buffer zone has stored n6, n7, n8, n9, n10, then exporting n6, n7, n8, n9, n10 this moment
Average value.
The system of above embodiment of the present invention realizes the smoothing processing of real-time speed, demonstrate,proves the linear coherence of output speed,
The problems such as rate for solving conventional Christmas technology is unstable, jumping characteristic, rate are interrupted, guarantees external controlled plant or correlation eventually
The smooth steady of system controls.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of Output Velocity Dealing Method based on data buffer storage, which comprises the following steps:
Data buffer zone is created, the maximum storage amount of the data buffer zone storage data is defined；
Acquisition Devices to test obtains the quantity of semaphore in acquisition time threshold value, and by the acquisition of the quantity of acquired semaphore
Data are by the ordered storage of acquisition time to the data buffer zone；
When adding up maximum storage amount of the acquired data in the data buffer zone greater than the data buffer zone, successively reject most
Data stored by the early time to update the storage data in the data buffer zone, and are held in the data buffer zone
Maximum storage amount；
It is stored up every output time threshold according to the quantity of the acquisition semaphore stored in real time in the data buffer zone
It is stored in the average value that semaphore is obtained the unit time in the data buffer zone Nei, and being averaged according to acquired semaphore
Value, obtains Mean Speed.
2. the Output Velocity Dealing Method according to claim 1 based on data buffer storage, which is characterized in that the output time threshold
Value is greater than the acquisition time threshold value.
3. the Output Velocity Dealing Method according to claim 2 based on data buffer storage, which is characterized in that the output time threshold
Value is the multiple of the acquisition time threshold value.
4. the Output Velocity Dealing Method according to claim 3 based on data buffer storage, which is characterized in that the output time threshold
Value is maximum storage amount of the acquisition time threshold value multiplied by the data buffer zone.
5. a kind of speed processing system based on data buffer storage characterized by comprising
Data buffering module defines the maximum storage amount of the data buffer zone storage data to create data buffer zone；
Semaphore acquisition module obtains the quantity of semaphore to acquire Devices to test in acquisition time threshold value, and will be obtained
Take the acquisition data of the quantity of semaphore by the ordered storage of acquisition time to the data buffer zone；
Processing module, to work as the maximum storage amount for adding up the acquired data in the data buffer zone and being greater than the data buffer zone
When, the data stored by earliest time are successively rejected, to update the storage data in the data buffer zone, and make the data
Buffer area is held in maximum storage amount；
Output module, to every output time threshold, according to the acquisition semaphore stored in real time in the data buffer zone
Quantity, obtain the average value that semaphore is obtained in the unit time being stored in the data buffer zone, and according to acquired
The average value of semaphore, obtains Mean Speed.
6. the Output Velocity Dealing Method according to claim 5 based on data buffer storage, which is characterized in that the output time threshold
Value is greater than the acquisition time threshold value.
7. the Output Velocity Dealing Method according to claim 6 based on data buffer storage, which is characterized in that the output time threshold
Value is the multiple of the acquisition time threshold value.
8. the Output Velocity Dealing Method according to claim 7 based on data buffer storage, which is characterized in that the output time threshold
Value is maximum storage amount of the acquisition time threshold value multiplied by the data buffer zone.
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