CN108414346B - A kind of intelligent true triaxial test system and test method that test parameters is adaptive - Google Patents
A kind of intelligent true triaxial test system and test method that test parameters is adaptive Download PDFInfo
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- CN108414346B CN108414346B CN201810260936.6A CN201810260936A CN108414346B CN 108414346 B CN108414346 B CN 108414346B CN 201810260936 A CN201810260936 A CN 201810260936A CN 108414346 B CN108414346 B CN 108414346B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The present invention provides a kind of intelligent true triaxial test system and method that test parameters is adaptive, this method comprises: obtaining the zone of reasonableness of its corresponding true triaxial test conditional parameter according to rock sample property；The zone of reasonableness setting true triaxial test conditional parameter of the true triaxial test conditional parameter obtained according to adaptation module simultaneously simulates true triaxial test output, test result is determined whether within the scope of the bearing capacity of current true triaxial test equipment, is that true triaxial test is then carried out to rock sample according to the true triaxial test conditional parameter of setting；Otherwise true triaxial test conditional parameter is reset.The system includes adaptation module, intelligent response module, tentative module.By adaptively obtaining reasonable test parameters to test rock sample, instructs testing crew to set true triaxial test parameter, the safety and high efficiency of test are effectively ensured before the test.
Description
Technical field
The present invention relates to rock indoor load test technical field, the adaptive intelligence of specifically a kind of test parameters true three
Shaft experiment system and test method.
Background technique
When heterogeneity rock sample carries out indoor true triaxial test, due to its inherent attribute difference, heterogeneity rock sample institute energy
The loading speed of receiving, unloding speed turn rate of deformation and rate of loading is all different, and true the three of previous heterogeneity rock sample
Axis laboratory test, which requires progress some testing experiments early period, just can determine that the Reasonable Parameters of rock sample load.
Moreover, existing true triaxial test equipment is at runtime, artificial reckoning setting loading procedure control is generallyd use
Under the conditions of mode, loading speed and different stress path whether the influences success of the test such as possibility intensity of the rock failure mechanism of rock it is important because
Element.And artificially calculate often there is certain error, these human errors are easy to cause test to be not normally functioning or even make
Test apparatus breaks down beyond self-ability.Thus, testing crew to the analysis that whether can operate normally of test there is also
Certain difficulty.
At the same time, during true triaxial test carries out, existing data acquisition and data analysis cannot synchronize progress, existing
There are the load control mode of true triaxial and loading speed to need to be regulated and controled by analyzing loading procedure data, passes through loading procedure
Often there is certain uncertainty and insecurity in the change that artificial analysis means carry out control mode, and after data
Treatment process is generally cumbersome.And test loading procedure, since rock sample internal injury is built up, rock self property is also changing
Become, the constant rate of loading of artificial settings can not reflect the true destructive process of rock, so that it is broken to test rock indoor
The distortion of bad process.
With the fast development of big data, just as computer is as internet, big data is likely to be a new round
Technological revolution.The relevant technologies such as data mining, machine learning and the artificial intelligence risen therewith may change in data world
Many algorithms and basic theory, realize science and technology on breakthrough.For at present since the limitation of algorithm or technology can not obtain
The some scientific achievements taken are general to find from mass data by using big data mass storage true triaxial test data
Property scientific research rule provide data supporting.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of intelligent true triaxial test system that test parameters is adaptive
System and test method.
The technical scheme of the present invention is realized as follows:
A kind of intelligent true triaxial test method that test parameters is adaptive is provided, comprising:
The zone of reasonableness of its corresponding true triaxial test conditional parameter is obtained according to rock sample property；
True triaxial test conditional parameter is set according to the zone of reasonableness of obtained true triaxial test conditional parameter, and is simulated true
Triaxial test output, determine simulation true triaxial test output test result whether current true triaxial test equipment carrying energy
Within the scope of power:
Be, then according to the true triaxial test conditional parameter of setting export control instruction, control true triaxial test equipment according to
The true triaxial test conditional parameter of setting carries out true triaxial test to rock sample, obtain during true triaxial test each moment pressure,
Displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial examination
It tests；
Otherwise true triaxial test conditional parameter is reset.
This method further include:
During carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, real-time storage true three
Each moment pressure, displacement and temperature number during shaft experiment result and corresponding true triaxial test conditional parameter and true triaxial test
According to.
The rock sample property includes rock sample classification, rock sample density, rock sample velocity of wave, rock sample constituent and content, rock sample ruler
Very little and specimen shape.
This method further include: be converted to each moment pressure, displacement and temperature data is obtained during true triaxial test and answer
Power, strain data simultaneously draw load-deformation curve, stress time curve, temperature time curve.
A kind of intelligent true triaxial test system that test parameters is adaptive is also provided, comprising:
Adaptation module: the zone of reasonableness of its corresponding true triaxial test conditional parameter is obtained according to rock sample property；
Intelligent response module: according to the zone of reasonableness setting true three for the true triaxial test conditional parameter that adaptation module obtains
Shaft experiment conditional parameter, and true triaxial test output is simulated, determine whether the test result of simulation true triaxial test output is being worked as
It within the scope of the bearing capacity of preceding true triaxial test equipment, is that the true triaxial test conditional parameter currently set is sent to test
Otherwise module resets true triaxial test conditional parameter；
Tentative module: control instruction is exported according to the true triaxial test conditional parameter of setting, controls true triaxial test equipment
True triaxial test is carried out to rock sample according to the true triaxial test conditional parameter of setting, each moment pressure is obtained during true triaxial test
Power, displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial
Test.
The system further include:
Storage module: real during carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting
When storage true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test during each moment pressure, position
Shifting and temperature data.
The tentative module will also obtain each moment pressure, displacement and temperature data during true triaxial test and be converted to
Stress, strain data simultaneously draw load-deformation curve, stress time curve, temperature time curve.
The system further include:
Update module: after the completion of test, real-time storage true triaxial test result and corresponding true triaxial test condition are joined
Obtained during each moment pressure, displacement and temperature data, true triaxial test during several and true triaxial test each moment pressure,
Displacement and temperature data are converted to stress, strain data and draw load-deformation curve, stress time curve, temperature-time song
Line is transferred in test result database, by the data sample input adaptive module and intelligent response in test result database
In module, according to data sample, self learning model needed for real-time update adaptation module.
A kind of computer readable storage medium is also provided, computer program is stored thereon with, the computer program is processed
The step of device realizes the method when executing.
Also provide a kind of computer equipment, including memory, processor and storage are on a memory and can be on a processor
The step of computer program of operation, the processor realizes the method when executing the computer program program.
The present invention is tried using the data sample of a large amount of existing true triaxial tests according to rock sample property and its corresponding true triaxial
The matching relationship for testing the zone of reasonableness of conditional parameter establishes self learning model by self-learning function, constructs adaptation module.
In the true triaxial test process next time of progress, by inputting rock sample property, true triaxial test conditional parameter is adaptively provided
Zone of reasonableness is used for setting true triaxial test conditional parameter.At the same time, true for the true triaxial test condition simulation of setting
Triaxial test output determines analog reslt whether within the scope of the bearing capacity of current true triaxial test equipment, then will be
The true triaxial test conditional parameter currently set is sent to tentative module, otherwise resets true triaxial test conditional parameter.
By adaptively obtaining reasonable test parameters to test rock sample, testing crew setting true triaxial test ginseng is instructed
Number improves test efficiency and success rate.The corresponding reasonable experimental condition parameter of done rock sample and plan true triaxial examination are prejudged in advance
Whether the test parameters by acquisition under the experimental condition tested is being tried within the scope of the bearing capacity of current true triaxial test equipment
The safety and high efficiency of test are effectively ensured before testing.True triaxial test data library is established by the data that true triaxial test obtains,
It collects and stores true triaxial test data extensively in the form of big data, be conducive to efficient ROCK MECHANICS RESEARCH, and by not
The disconnected reliability for updating data sample and being conducive to true triaxial self learning system.By real time data processing, it is complete to draw test process
Load-deformation curve and full-automatic loading speed self adaptive control mode reduce later data and handle workload, and efficient complete
At the test of different loading methods.
Detailed description of the invention
Fig. 1 is the adaptive intelligent true triaxial test method flow diagram of the test parameters of the specific embodiment of the invention；
Fig. 2 is the adaptive intelligent true triaxial test method block diagram of the test parameters of the specific embodiment of the invention.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Present embodiment provides a kind of intelligent true triaxial test method that test parameters is adaptive, as shown in Figure 1, comprising:
Step 1 obtains the zone of reasonableness of its corresponding true triaxial test conditional parameter according to rock sample property；
Step 2, the zone of reasonableness setting true triaxial test conditional parameter according to obtained true triaxial test conditional parameter, and
True triaxial test output is simulated, determines the test result of simulation true triaxial test output whether in current true triaxial test equipment
It is to then follow the steps 3 within the scope of bearing capacity, otherwise resets true triaxial test conditional parameter；
Step 3, according to the true triaxial test conditional parameter of setting export control instruction, control true triaxial test equipment according to
The true triaxial test conditional parameter of setting carries out true triaxial test to rock sample, obtain during true triaxial test each moment pressure,
Displacement and temperature data；With the progress of load, rock sample damage is gradually increased, and rate of deformation also gradually increases, and is calculated in real time
The real-time deformation rate of rock all directions, the rate of deformation obtained using dynamic, real-time monitoring loading speed complete true triaxial examination
It tests.This method further include:
During carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, real-time storage true three
Each moment pressure, displacement and temperature number during shaft experiment result and corresponding true triaxial test conditional parameter and true triaxial test
According to.
Stress, strain data are converted to simultaneously for each moment pressure, displacement and temperature data is obtained during true triaxial test
Draw load-deformation curve, stress time curve, temperature time curve.
This method further include:
After the completion of step 4, test, by real-time storage true triaxial test result and corresponding true triaxial test conditional parameter and
Each moment pressure, displacement are obtained during true triaxial test during each moment pressure, displacement and temperature data, true triaxial test
Stress, strain data are converted to temperature data and draw load-deformation curve, stress time curve, temperature time curve biography
It is defeated into test result database, by the data sample input adaptive module and intelligent response module in test result database
In, according to data sample, real-time update self learning model.
The rock sample property includes rock sample classification, rock sample density, rock sample velocity of wave, rock sample constituent and content, rock sample ruler
Very little and specimen shape.
Present embodiment also provides a kind of intelligent true triaxial test system that test parameters is adaptive, as shown in Fig. 2, packet
It includes:
Adaptation module: it using the self learning model obtained according to data with existing sample training, is obtained according to rock sample property
The zone of reasonableness of its corresponding true triaxial test conditional parameter；The input of the self learning model is rock sample property, and output is true
The zone of reasonableness of triaxial test conditional parameter；
Intelligent response module: according to the zone of reasonableness setting true three for the true triaxial test conditional parameter that adaptation module obtains
Shaft experiment conditional parameter, and true triaxial test output is simulated, determine whether the test result of simulation true triaxial test output is being worked as
It within the scope of the bearing capacity of preceding true triaxial test equipment, is that the true triaxial test conditional parameter currently set is sent to test
Otherwise module resets true triaxial test conditional parameter；
Tentative module: control instruction is exported according to the true triaxial test conditional parameter of setting, controls true triaxial test equipment
True triaxial test is carried out to rock sample according to the true triaxial test conditional parameter of setting, each moment pressure is obtained during true triaxial test
Power, displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial
Test.The pressure, displacement and temperature data are respectively by load cell, deformation-sensor and temperature inside true triaxial test equipment
Degree sensor measures.
The system further include:
Storage module: real during carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting
When storage true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test during each moment pressure, position
Shifting and temperature data.
Update module: after the completion of test, real-time storage true triaxial test result and corresponding true triaxial test condition are joined
Obtained during each moment pressure, displacement and temperature data, true triaxial test during several and true triaxial test each moment pressure,
Displacement and temperature data are converted to stress, strain data and draw load-deformation curve, stress time curve, temperature-time song
Line is transferred in test result database, by the data sample input adaptive module and intelligent response in test result database
In module, according to data sample, self learning model needed for real-time update adaptation module.
The tentative module will also obtain each moment pressure, displacement and temperature data during true triaxial test and be converted to
Stress, strain data simultaneously draw load-deformation curve, stress time curve, temperature time curve.
Present embodiment also provides a kind of computer readable storage medium, is stored thereon with computer program, the computer
The step of the method is realized when program is executed by processor.
Present embodiment also provides a kind of computer equipment, including memory, processor and storage are on a memory and can
The computer program run on a processor, the processor realize the step of the method when executing the computer program program
Suddenly.
Each moment during storage true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test
Pressure, displacement and temperature data are stored to test result database, as big data long-term preservation, and as adaptation module and
The learning sample of intelligent response module.The adaptation module, intelligent response module with test result database by being connected
Learn sample data therein, real-time update self learning model.
The rock sample that present embodiment is directed to is silk screen griotte, carries out true triaxial laboratory test, and rock sample property is shown in Table 1:
1 silk screen griotte rock sample property of table
| Rock sample classification | Rock sample density | Rock sample velocity of wave | Rock sample constituent and content | Specimen shape | Rock sample size |
| Griotte | 2.82g/cm3 | 4895m/s | SiO2:52%；CaO:40% | Rectangle | 50*50*100 |
By silk screen griotte rock sample property input adaptive module, the zone of reasonableness of true triaxial test conditional parameter is obtained,
Such as table 2:
The reasonable experimental condition parameter of 2 griotte of table
According to the reasonable experimental condition parameter of table 2, as a reference, the silk screen griotte true triaxial test conditional parameter of setting
Such as table 3:
The silk screen griotte true triaxial test conditional parameter that table 3 is set
By in the silk screen griotte true triaxial test conditional parameter input intelligent response module of the setting of table 3, pass through intelligence
Self learning model in respond module obtains rock strength and reaches 1200MPa, and true triaxial equipment maximum load ability is
1000MPa, the silk screen griotte true triaxial test conditional parameter currently set not Pass Test normal running (operation) conditions need weight
New settings silk screen griotte true triaxial test conditional parameter, is shown in Table 4:
The silk screen griotte true triaxial test conditional parameter that table 4 is reset
The silk screen griotte true triaxial test conditional parameter reset in table 4 is inputted in intelligent response module, is passed through
Self learning model in intelligent response module obtains rock strength and reaches 350MPa, and true triaxial equipment maximum load ability is
1000MPa, this time the silk screen griotte true triaxial test conditional parameter Pass Test normal running (operation) conditions of setting, inputs true triaxial
Apparatus control system controls true triaxial equipment and continues true triaxial test.With the progress of load, rock sample damage is gradually increased, and is become
Shape rate also gradually increases, and the rate of deformation surveyed using dynamic, real-time monitoring loading speed completes true triaxial test.
After the completion of test, analysis result that real time information storage system obtains and corresponding true triaxial condition are conveyed into examination
It tests in result database.By in newest test result database data sample input test parameters intelligent adaptive system and
In testing equipment intelligent response system, according to data with existing sample, real-time update self learning model.
Above content describes a specific embodiment of the invention by reference to Fig. 1, it will be understood by a person skilled in the art that, this
The product of invention is not only only limited to embodiment described above, can make without deviating from the spirit of the present invention each
Kind modification, the modification should also be included within the scope of the present invention.The scope of the present invention by appended claims and its should wait
Jljl limits.
Claims (10)
1. a kind of adaptive intelligent true triaxial test method of test parameters characterized by comprising
Using the self learning model obtained according to data with existing sample training, its corresponding true triaxial is obtained according to rock sample property and is tried
Test the zone of reasonableness of conditional parameter；
True triaxial test conditional parameter is set according to the zone of reasonableness of obtained true triaxial test conditional parameter, and simulates true triaxial
Test output, determine simulation true triaxial test output test result whether current true triaxial test equipment bearing capacity model
In enclosing:
It is that control instruction is then exported according to the true triaxial test conditional parameter of setting, controls true triaxial test equipment according to setting
True triaxial test conditional parameter true triaxial test is carried out to rock sample, each moment pressure, displacement are obtained during true triaxial test
And temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial test；
Otherwise true triaxial test conditional parameter is reset.
2. the method according to claim 1, wherein further include:
During carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, the examination of real-time storage true triaxial
Test each moment pressure, displacement and temperature data during result and corresponding true triaxial test conditional parameter and true triaxial test.
3. the method according to claim 1, wherein the rock sample property includes rock sample classification, rock sample density, rock
Sample velocity of wave, rock sample constituent and content, rock sample size and specimen shape.
4. the method according to claim 1, wherein further include: each moment will be obtained during true triaxial test
When pressure, displacement and temperature data are converted to stress, strain data and draw load-deformation curve, stress time curve, temperature
Half interval contour.
5. a kind of adaptive intelligent true triaxial test system of test parameters characterized by comprising
Adaptation module: using the self learning model obtained according to data with existing sample training, it is right that its is obtained according to rock sample property
The zone of reasonableness for the true triaxial test conditional parameter answered；
Intelligent response module: according to the zone of reasonableness setting true triaxial examination for the true triaxial test conditional parameter that adaptation module obtains
Conditional parameter is tested, and simulates true triaxial test output, determines the test result of simulation true triaxial test output whether current true
It within the scope of the bearing capacity of triaxial test equipment, is that the true triaxial test conditional parameter currently set is sent to test mould
Otherwise block resets true triaxial test conditional parameter；
Tentative module: according to the true triaxial test conditional parameter of setting export control instruction, control true triaxial test equipment according to
The true triaxial test conditional parameter of setting carries out true triaxial test to rock sample, obtain during true triaxial test each moment pressure,
Displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial examination
It tests.
6. system according to claim 5, which is characterized in that further include:
Storage module: it during carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, deposits in real time
Store up each moment pressure during true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test, displacement and
Temperature data.
7. system according to claim 5, which is characterized in that the tentative module will also obtain during true triaxial test
Each moment pressure, displacement and temperature data is obtained to be converted to stress, strain data and draw load-deformation curve, stress time song
Line, temperature time curve.
8. system according to claim 5, which is characterized in that further include:
Update module: after the completion of test, by real-time storage true triaxial test result and corresponding true triaxial test conditional parameter and
Each moment pressure, displacement are obtained during true triaxial test during each moment pressure, displacement and temperature data, true triaxial test
Stress, strain data are converted to temperature data and draw load-deformation curve, stress time curve, temperature time curve biography
It is defeated into test result database, by the data sample input adaptive module and intelligent response module in test result database
In, according to data sample, self learning model needed for real-time update adaptation module.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program is located
Manage the step of realizing Claims 1-4 the method when device executes.
10. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor realizes side described in Claims 1-4 when executing the computer program program
The step of method.
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| CN110928181B (en) * | 2019-12-13 | 2021-04-13 | 东北大学 | Intelligent control method for hard rock post-peak damage process under true triaxial surface disturbance |
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| CN101101247A (en) * | 2007-01-25 | 2008-01-09 | 北京交通大学 | Digital type self-adaptive electro-hydraulic fatigue test machine and realization method |
| CN101349893B (en) * | 2007-07-18 | 2011-03-16 | 太极光控制软件（北京）有限公司 | Forecast control device of adaptive model |
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