CN110702687A - Crack real-time monitoring system for seat framework fatigue test - Google Patents
Crack real-time monitoring system for seat framework fatigue test Download PDFInfo
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 95
- 238000012544 monitoring process Methods 0.000 title claims abstract description 64
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000004891 communication Methods 0.000 claims abstract description 56
- 238000012545 processing Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000007781 pre-processing Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 4
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- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 3
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/001—Testing of furniture, e.g. seats or mattresses
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
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Abstract
The invention provides a crack real-time monitoring system for a fatigue test of a seat framework, which can monitor the crack generation condition in the fatigue test process of the seat framework in real time. This crackle real-time monitoring system includes: the plurality of image acquisition units are arranged at a plurality of angle positions of the seat framework and respectively acquire image information of the seat framework; the image processing unit is used for carrying out crack discrimination processing on the acquired image information; the instruction issuing unit is used for issuing a test termination instruction; the control unit is used for controlling to send out a test termination instruction when the processing result is that the cracks with preset size or preset number appear; and the communication unit is in communication connection with the fatigue test control system and is used for sending the test termination instruction to the fatigue test control system. Data are acquired through machine vision, crack judgment is carried out, the generation condition of cracks is monitored in real time, once a preset value is reached, the fatigue test of the seat framework is stopped through closed-loop control, and the monitoring is accurate, timely and efficient.
Description
Technical Field
The invention belongs to the technical field related to automobile seat manufacturing, and particularly relates to a crack real-time monitoring system for a seat framework fatigue test, which can monitor the crack generation condition in the fatigue test process of the seat framework in real time.
Background
The automobile seat is an important component of an automobile interior trim part and is the part which is most closely contacted with an occupant in an automobile. The automobile seat mainly comprises a cushion, a backrest, side back supports, a headrest and the like. With the increasing popularity of automobile consumption, the requirements of people on the comfort, safety, design feeling and the like of the seat are gradually improved. Therefore, various fatigue tests must be performed during the design development and manufacturing process of the car seat. The test can help people to deeply understand the essence and the law of various phenomena of the automobile seat in the actual use process, solve the existing problems and verify the effect and the degree of solving the problems. Moreover, the fatigue test is one of the more important means for checking the reliability of the product, and the fatigue test cannot be carried out on a newly developed product or a product produced at present.
However, the fatigue test is usually required to be continuously and uninterruptedly performed, huge labor cost can be consumed for manpower monitoring, manual monitoring errors can exist, the process of the fatigue test cannot be monitored in real time, the situation cannot be timely known when a problem occurs, and timely stopping processing cannot be further performed.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a crack real-time monitoring system for a fatigue test of a seat frame, which can monitor the occurrence of cracks in the fatigue test of the seat frame in real time.
The invention provides a crack real-time monitoring system for a fatigue test of a seat framework, which is used for monitoring the crack generation condition of the seat framework in the fatigue test process in real time, and the seat framework is controlled by a fatigue test control system to carry out the fatigue test, and is characterized by comprising the following components: the plurality of image acquisition units are arranged at a plurality of angle positions of the seat framework and are respectively used for acquiring image information of the seat framework; the image processing unit is respectively connected with each image acquisition unit and is used for carrying out crack discrimination processing on the acquired image information; the instruction issuing unit is used for issuing a test termination instruction; the control unit controls the instruction issuing unit to issue a test termination instruction when the processing result of the image processing unit is that cracks with a preset size or a preset number occur; and the communication unit is in communication connection with the fatigue test control system and is used for sending the test termination instruction to the fatigue test control system.
The system for monitoring cracks in the fatigue test of the seat frame in real time provided by the invention can also have the characteristic that the image processing unit comprises an image preprocessing part, a crack judging part and a crack calculating part, wherein the image preprocessing part is used for preprocessing image information to obtain image data, the crack judging part is used for judging whether cracks exist in the image data, and the crack calculating part is used for further calculating the sizes of the cracks when the crack judging part judges that the cracks exist.
The real-time crack monitoring system for the fatigue test of the seat frame provided by the invention can also have the characteristic that the image processing unit further comprises a crack position acquisition part, and when the crack judgment part judges that the crack exists, the crack position acquisition part acquires the generation position of the crack based on the position information of the image acquisition unit corresponding to the image data.
The crack real-time monitoring system for the fatigue test of the seat frame provided by the invention can be further characterized in that the communication unit is used as a monitoring side communication unit, the fatigue test control system comprises a test side control unit and a test side communication unit, the test side communication unit is in communication connection with the monitoring side communication unit and is used for receiving a test termination instruction sent by the monitoring side communication unit, and the test side control unit controls the stop of the fatigue test based on the test termination instruction.
The system for monitoring the fatigue test of the seat framework in real time for the cracks can also be characterized in that the fatigue test control system further comprises a cycle number acquisition unit, the monitoring side communication unit further sends acquisition time corresponding to image information of the cracks to the fatigue test control system, the testing side communication unit receives the sent acquisition time, the cycle number acquisition unit acquires corresponding cycle numbers based on the acquisition time, the testing side communication unit sends the cycle numbers to the system for monitoring the fatigue test of the seat framework in real time, and the monitoring side communication unit receives the sent cycle numbers.
The crack real-time monitoring system for the fatigue test of the seat frame provided by the invention can also have the following characteristics that: and the display unit is used for displaying the generation position and size of the crack and the cycle number.
The crack real-time monitoring system for the fatigue test of the seat frame provided by the invention can also have the following characteristics that: and the control unit further controls the alarm unit to send an alarm instruction after the instruction sending unit sends the test termination instruction.
The crack real-time monitoring system for the fatigue test of the seat framework provided by the invention can also have the characteristic that the number of the image acquisition units is eight, the image acquisition units are respectively arranged on four directions of the seat framework, and two image acquisition units are uniformly arranged in each direction.
Action and Effect of the invention
According to the crack real-time monitoring system for the fatigue test of the seat framework, image information on a plurality of angle positions of the seat framework is acquired through a plurality of image acquisition units, then the acquired image information is subjected to crack discrimination processing through an image processing unit, when the processing result shows that cracks with preset size or preset number occur, a control unit controls an instruction unit to send out a test termination instruction, and a communication unit sends the test termination instruction to a fatigue test control system to carry out test control in time; the invention can carry out closed-loop real-time monitoring on the seat framework in the fatigue test process, collect data through machine vision and judge cracks in a preset range, monitor the generation condition of the cracks in real time, automatically judge whether the fatigue test of the seat framework needs to be terminated, and terminate the fatigue test of the seat framework through closed-loop control once the preset value is reached, so that the monitoring is accurate, timely and efficient, the test cost is reduced, and the resource waste is reduced.
Drawings
Fig. 1 is a structural block diagram of a crack real-time monitoring system for a fatigue test of a seat frame in an embodiment of the invention.
Fig. 2 is a block diagram of a fatigue test control system according to an embodiment of the present invention.
Fig. 3 is a monitoring flow chart of a crack real-time monitoring system for a fatigue test of a seat frame in an embodiment of the invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
< example >
Fig. 1 is a structural block diagram of a crack real-time monitoring system for a fatigue test of a seat frame in an embodiment of the invention.
As shown in fig. 1, in the embodiment, the crack real-time monitoring system 100 for a seat frame fatigue test is used for real-time monitoring the crack generation condition of a seat frame of an automobile, which is not shown in the figure, during a fatigue test, and the seat frame is controlled by the fatigue test control system 200 to perform the fatigue test.
The crack real-time monitoring system 100 for the seat frame fatigue test comprises: a plurality of image acquisition units 10, an image processing unit 20, an instruction issuing unit 30, a monitoring side communication unit 40, a display unit 50, an alarm unit 60 and a monitoring side control unit 70 for controlling the operation of the above units.
The plurality of image acquisition units 10 are disposed at a plurality of angular positions of the seat frame, and are respectively configured to acquire image information of the seat frame at corresponding angles and record corresponding acquisition time. In the present embodiment, all the image pickup units 10 are identical in structure and function, and only the arrangement positions are different. Specifically, the number of the image capturing units 10 is eight, the image capturing units are respectively arranged in four directions of the seat frame, and two image capturing units 10 are uniformly arranged in each direction.
The image processing unit 20 is connected to each image acquisition unit 10, and is configured to perform crack discrimination processing on the acquired image information. The image processing unit 20 includes an image preprocessing section 21, a crack determination section 22, a crack calculation section 23, and a crack position acquisition section 24.
The image preprocessing unit 21 is configured to preprocess image information acquired by any image acquisition unit 10, reduce the influence of noise on imaging, improve image sharpness and recognition, and compile the image information to obtain corresponding image data, where the image data is sequentially stored in a database.
The crack determination section 22 is for determining whether or not there is a crack in the image data processed by the image preprocessing section 21.
The crack calculation unit 23 is used to calculate the size of the generated crack when the crack determination unit 22 determines that the crack exists.
The crack position acquiring unit 24 is configured to obtain a crack generation position based on the position information of the image pickup unit 10 corresponding to the image data in which the crack is present, when the crack determining unit 22 determines that the crack is present.
The instruction issuing unit 30 is configured to issue a test termination instruction, which is different from an instruction for the fatigue test handling system 200 to automatically stop the test after the number of tests set before the start of the test is completed, and which is an instruction for controlling the fatigue test handling system 200 to stop the test, which is issued before the fatigue test has not ended because the generation of a predetermined size or a predetermined number of cracks is monitored. Here, it is previously set that the fatigue test is stopped when the crack length reaches 5mm or the number of cracks reaches 3.
The monitoring side communication unit 40 is in communication connection with the fatigue test control system 200, and is used for sending a test termination instruction to the fatigue test control system 200. In addition, the monitoring side communication unit 40 also transmits the acquisition time corresponding to the image information in which the crack occurs to the fatigue test operation system 200.
The display unit 50 is configured to display a processing result obtained by processing by the image processing unit 20, where the processing result may specifically be: the position and size of the crack.
The alarm unit 60 is configured to issue an alarm instruction, and is configured to remind an operator of terminating the fatigue test due to the occurrence of cracks of a predetermined size or a predetermined number during the fatigue test of the seat frame, so that the operator can replace or detach the seat frame in time. Here, the alarm command may be a voice command or an alarm whistle.
The monitor-side control unit 70 contains a computer program for controlling the operation of six units, i.e., the plurality of image capturing units 10, the image processing unit 20, the instruction issuing unit 30, the monitor-side communication unit 40, the display unit 50, and the alarm unit 60. The method specifically comprises the following steps:
the monitor-side control unit 70 controls the instruction issuing unit 30 to issue a test termination instruction when the processing result of the image processing unit 20 is that a predetermined size or a predetermined number of cracks occur;
the monitoring-side control unit 70 further controls the alarm unit 60 to issue an alarm instruction after the instruction issuing unit 30 issues a test termination instruction.
Fig. 2 is a block diagram of a fatigue test control system according to an embodiment of the present invention.
As shown in fig. 2, the fatigue test control system 200 is used for performing a fatigue test on a seat frame, and before the test, the seat frame is clamped on a test bench, and relevant test parameters such as an applied load and the number of tests are set through the control bench. The fatigue test handling system 200 includes: a test side communication unit 210, a cycle number acquisition unit 220, and a test side control unit 230 that controls the operation of the above units.
The test side communication unit 210 is in communication connection with the monitoring side communication unit 40, and is configured to receive a test termination instruction sent by the monitoring side communication unit 40 and acquisition time of image information in which a crack occurs.
The cycle number obtaining unit 220 is configured to obtain a cycle number in a fatigue test process when the corresponding image information is collected according to the collection time received by the test-side communication unit 210. The cycle number is transmitted to the crack real-time monitoring system 100 for the fatigue test of the seat frame through the test-side communication unit 210. When the monitoring-side communication unit 40 receives the transmitted number of cycles, the monitoring-side control unit 70 controls the display unit 50 to display the number of cycles in synchronization with the generation position and size of the crack.
The test-side control unit 230 contains computer programs for controlling the operation of the test-side communication unit 210, the cycle number acquisition unit 220, and other related test devices. The method specifically comprises the following steps: the test-side control unit 230 controls to stop the fatigue test for the seat frame based on the test termination instruction received by the test-side communication unit 210.
Fig. 3 is a monitoring flow chart of a crack real-time monitoring system for a fatigue test of a seat frame in an embodiment of the invention.
As shown in fig. 3, in this embodiment, the monitoring process of the crack real-time monitoring system 100 for the fatigue test of the seat frame specifically includes the following steps:
in step S1, each image pickup unit 10 picks up image information and pickup time of the corresponding seat frame, and then proceeds to step S2.
In step S2, the image preprocessing unit 21 preprocesses the acquired image information to obtain corresponding image data, and then proceeds to step S3.
In step S3, the crack determination section 22 determines whether or not there is a crack in the image data, and if so, the process proceeds to step S4; if no, the process proceeds to step S1.
In step S4, the crack calculator 23 calculates the size of the generated crack, and then proceeds to step S5.
In step S5, the crack position obtaining unit 24 obtains the crack generation position based on the position information of the image pickup unit 10 corresponding to the image data in which the crack is present, and the process proceeds to step S6.
In step S6, the monitoring-side communication unit 40 transmits the crack matching acquisition time to the fatigue test control system 200, and then proceeds to step S7.
In step S7, the testing-side communication unit 210 receives the acquisition time transmitted from the monitoring-side communication unit 40, and then proceeds to step S8.
In step S8, the loop number acquiring unit 220 acquires the loop number at which the corresponding image information is acquired, based on the acquisition time received by the test-side communication unit 210, and then proceeds to step S9.
In step S9, the test-side communication unit 210 transmits the acquired number of cycles to the crack real-time monitoring system 100 for the fatigue test of the seat frame, and then proceeds to step S10.
In step S10, the monitoring-side communication unit 40 receives the number of cycles transmitted from the testing-side communication unit 210, and then proceeds to step S11.
Step S11, judging whether cracks with preset size or quantity appear, if so, entering step S12; if no, the process proceeds to step S1.
In step S12, the monitor-side control unit 70 controls the instruction issue unit 30 to issue a test termination instruction, and then proceeds to step S13.
In step S13, the monitor-side communication unit 40 sends a test termination command to the fatigue test handling system 200, and then proceeds to step S14.
In step S14, the testing-side communication unit 210 receives the test termination instruction transmitted from the monitoring-side communication unit 40, and then proceeds to step S15.
In step S15, the test-side control unit 230 controls to stop the fatigue test for the seat frame based on the test termination instruction received by the test-side communication unit 210, and then proceeds to step S16.
In step S16, the monitor-side control unit 70 controls the display unit to display the generation position and size of the crack and the number of cycles, and then enters an end state.
Effects and effects of the embodiments
According to the crack real-time monitoring system for the fatigue test of the seat framework, a plurality of image acquisition units are used for acquiring image information of the seat framework at a plurality of angle positions, an image processing unit is used for carrying out crack discrimination processing on the acquired image information, when the processing result shows that cracks with preset sizes or a preset number occur, a control unit controls an instruction unit to send out a test termination instruction, and a communication unit sends the test termination instruction to a fatigue test control system to carry out test control in time; make this embodiment can carry out closed loop real time monitoring to the seat skeleton in carrying out fatigue test process, carry out the crackle judgement to predetermineeing the scope through machine vision data collection, the production condition of real time monitoring crackle can judge whether the fatigue test of seat skeleton need terminate automatically, in case reach the fatigue test of default just through closed-loop control termination seat skeleton, the control is accurate and timely high-efficient, has reduced testing cost, reduces the wasting of resources.
In this embodiment, after the control unit controls the instruction sending unit to send the test termination instruction, the alarm unit is further controlled to send alarm information, so that the operator can be timely informed of the occurrence of the crack in the fatigue test and can timely perform replacement or disassembly operations, and the position and the size of the crack and the cycle number of the fatigue test can be freely and visually seen through the display unit.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (8)
1. The utility model provides a crack real time monitoring system of seat skeleton fatigue test for the crack condition of production of real time monitoring seat skeleton in carrying out the fatigue test in-process, the seat skeleton carries out the fatigue test by fatigue test control system control, its characterized in that includes:
the plurality of image acquisition units are arranged at a plurality of angle positions of the seat framework and are respectively used for acquiring image information of the seat framework;
the image processing unit is respectively connected with each image acquisition unit and is used for carrying out crack discrimination processing on the acquired image information;
the instruction issuing unit is used for issuing a test termination instruction;
a control unit that controls the instruction issuing unit to issue the test termination instruction when the processing result of the image processing unit is that a predetermined size or a predetermined number of cracks occur;
and the communication unit is in communication connection with the fatigue test control system and is used for sending the test termination instruction to the fatigue test control system.
2. The system for monitoring cracks of the seat frame in the fatigue test in real time according to claim 1, wherein:
wherein the image processing unit comprises an image preprocessing section, a crack determination section, and a crack calculation section,
the image preprocessing part is used for preprocessing the image information to obtain image data,
the crack determination section is configured to determine whether or not a crack is present in the image data,
the crack calculation unit is configured to further calculate a size of the crack when the crack determination unit determines that the crack exists.
3. The system for monitoring cracks of the seat frame in the fatigue test in real time according to claim 2, wherein:
wherein the image processing unit further includes a crack position acquisition section,
when the crack determination unit determines that a crack exists, the crack position acquisition unit obtains the crack generation position based on the position information of the image acquisition unit corresponding to the image data.
4. The system for monitoring cracks of the seat frame in the fatigue test in real time according to claim 3, wherein:
wherein the communication unit is used as a monitoring side communication unit,
the fatigue test control system comprises a test side control unit and a test side communication unit,
the test side communication unit is in communication connection with the monitoring side communication unit and is used for receiving the test termination instruction sent by the monitoring side communication unit,
the test side control unit controls to stop the fatigue test based on the test termination command.
5. The system for monitoring cracks of the seat frame in the fatigue test in real time according to claim 4, wherein:
wherein, the fatigue test control system also comprises a cycle number acquisition unit,
the monitoring side communication unit also sends the acquisition time corresponding to the image information with cracks to the fatigue test control system,
the test side communication unit receives the transmitted acquisition time,
the cycle number acquisition unit acquires a corresponding cycle number based on the acquisition time,
the test side communication unit sends the cycle times to a crack real-time monitoring system of the fatigue test of the seat frame,
and the monitoring side communication unit receives the sent cycle number.
6. The system for monitoring cracks of the seat frame in the fatigue test in real time according to claim 5, further comprising:
and the display unit is used for displaying the generation position and size of the crack and the cycle number.
7. The system for monitoring cracks of the seat frame in the fatigue test in real time according to claim 6, further comprising:
an alarm unit for sending out an alarm command,
the control unit further controls the alarm unit to send the alarm instruction after the instruction sending unit sends the test termination instruction.
8. The system for monitoring cracks of the seat frame in the fatigue test in real time according to claim 7, wherein:
the number of the image acquisition units is eight, the image acquisition units are respectively arranged in four directions of the seat framework, and every direction is uniformly provided with two image acquisition units.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910936804.5A CN110702687A (en) | 2019-09-29 | 2019-09-29 | Crack real-time monitoring system for seat framework fatigue test |
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| CN201910936804.5A CN110702687A (en) | 2019-09-29 | 2019-09-29 | Crack real-time monitoring system for seat framework fatigue test |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04151537A (en) * | 1990-08-27 | 1992-05-25 | Toyoda Gosei Co Ltd | Apparatus and method for testing fatigue |
| CN101929935A (en) * | 2009-06-25 | 2010-12-29 | 中国科学院力学研究所 | Piston heat load test device and method |
| CN105067428A (en) * | 2015-08-13 | 2015-11-18 | 芜湖市汽车产业技术研究院有限公司 | Crack initiation life test machine for elastic materials and using method thereof |
| CN107727658A (en) * | 2017-08-21 | 2018-02-23 | 南京理工大学 | Pantograph crackle on-line measuring device and method based on image procossing |
| CN108061662A (en) * | 2017-11-30 | 2018-05-22 | 南京汽车集团有限公司 | Commercial vehicle seat test system and test method |
| CN109781432A (en) * | 2018-12-21 | 2019-05-21 | 合肥百川自动化科技有限公司 | A kind of automotive seat assembly skeleton endurance Rigidity Experiment device |
| CN110009606A (en) * | 2019-03-22 | 2019-07-12 | 北京航空航天大学 | A kind of crack propagation dynamic monitoring method and device based on image recognition |
-
2019
- 2019-09-29 CN CN201910936804.5A patent/CN110702687A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04151537A (en) * | 1990-08-27 | 1992-05-25 | Toyoda Gosei Co Ltd | Apparatus and method for testing fatigue |
| CN101929935A (en) * | 2009-06-25 | 2010-12-29 | 中国科学院力学研究所 | Piston heat load test device and method |
| CN105067428A (en) * | 2015-08-13 | 2015-11-18 | 芜湖市汽车产业技术研究院有限公司 | Crack initiation life test machine for elastic materials and using method thereof |
| CN107727658A (en) * | 2017-08-21 | 2018-02-23 | 南京理工大学 | Pantograph crackle on-line measuring device and method based on image procossing |
| CN108061662A (en) * | 2017-11-30 | 2018-05-22 | 南京汽车集团有限公司 | Commercial vehicle seat test system and test method |
| CN109781432A (en) * | 2018-12-21 | 2019-05-21 | 合肥百川自动化科技有限公司 | A kind of automotive seat assembly skeleton endurance Rigidity Experiment device |
| CN110009606A (en) * | 2019-03-22 | 2019-07-12 | 北京航空航天大学 | A kind of crack propagation dynamic monitoring method and device based on image recognition |
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Application publication date: 20200117 |