CN107479416A - A kind of universal fatigue experiment control system - Google Patents
A kind of universal fatigue experiment control system Download PDFInfo
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- CN107479416A CN107479416A CN201710716863.2A CN201710716863A CN107479416A CN 107479416 A CN107479416 A CN 107479416A CN 201710716863 A CN201710716863 A CN 201710716863A CN 107479416 A CN107479416 A CN 107479416A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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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
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a kind of universal fatigue experiment control system, including：Control instruction information memory cell (100), enter table for previously generating the default defeated information of controlling test；Controlling test unit (200), it is connected respectively with the control instruction information memory cell (100), multiple electromagnetic relays (300)；Multiple actuator switch controllers (300), for the actuator switching control instruction sent according to the controlling test unit (200), corresponding control is turned on or off the actuator (400)；Multiple actuator (400), with the one-to-one connection respectively of the multiple actuator switch controller (300).The present invention can meet that different product carries out the fatigue test demand for control of compound action, reduce the hardware economic input for carrying out fatigue test, the financial burden of experiment user is reduced, while reduces the overall time required for progress product fatigue test, is advantageous to extensive production application.
Description
Technical field
The present invention relates to fatigue test technology field, more particularly to a kind of universal fatigue experiment control system.
Background technology
At present, fatigue test is that can identification product structure or instrument and equipment meet estimated service life, ensure in reality
A kind of necessary means of the integrality of product structure or instrument and equipment under use environment, therefore, fatigue test is to ensureing product
Structural strength, steerable system security etc. are extremely important.
For fatigue test for routine, it is true to simulate mainly by carrying out periodicity loading to product structure
Real working condition and working life, such as repeated presses operation is carried out to computor-keyboard pushbotton, to verify making for electric energy keyboard
Whether meet needs of expected design with the cycle.
Experiment that is single for reciprocating action pattern and need not accurately controlling, the mode of opened loop control is usually taken, leads to
Often it is controlled by programmable controller PLC or digital data acquisition card, this control mode experimentation cost is low, pilot system letter
Single, stability is preferable.The opened loop control thinking of fatigue test can be attributed to repetition output switch amount information and be switched to actuator,
So that single or multiple actuator (such as the hydraulic actuator being connected with hydraulic power source) carry out sampling action, with test product
Real working condition and working life.
Due to different products, its experiment action corresponding in actual use is had nothing in common with each other, can be substantially divided into single
Action and multiple compound action.Wherein, single action includes the sampling action of sliding door opening and closing, button switch action and seat
Deng.When being controlled for single action, the control flow of fatigue test control system is fairly simple, it is only necessary to alternate output
Opening and closing signal, you can control actuator execution.For (being acted including compound action including multiple different experiments)
Fatigue test when, fatigue test control system need Sequential output or alternately export multichannel switching signal, fatigue examination
Test the control flow of the far super single action of control complexity of control system.Tried for example, being opened and closed in simulated automotive four-door two-lid
In testing, the experiment sequence of movement of single cycle is out internal lock → pull open car door → closed door successively → over lock → pulls open car door
→ closed door, therefore, while being opened and closed both sides car door, it is also necessary to take into account the opening and closing of automobile rear case and boot, carry out this kind of
Fatigue test by multiple actuator, it is necessary to simultaneously or sequentially complete.For such experiment, program editing is being controlled
When, it is necessary in view of multiple passages sequentially with repeat output, it is necessary to be precisely controlled and be connected in each operating point.By
It is very big in the difference of various fatigue tests, at present, to meet that different product carries out the experiment demand of compound action, it is necessary to right respectively
Special fatigue test control system should be designed, therefore, experiment hardware input cost is significantly increased, adds experiment user's
Financial burden, meanwhile, also increase the overall time carried out required for product fatigue test.
Therefore, at present there is an urgent need to develop a kind of technology, it can meet that different product carries out the fatigue of compound action
Controlling test demand, reduce carry out fatigue test hardware economic input, reduce experiment user financial burden, while reduce into
The overall time required for row product fatigue test.
The content of the invention
In view of this, it is an object of the invention to provide a kind of universal fatigue experiment control system, it can meet different productions
Product carry out the fatigue test demand for control of compound action, reduce the hardware economic input for carrying out fatigue test, reduce experiment user
Financial burden, while reduce carry out product fatigue test required for the overall time, be advantageous to extensive production application, have
Great production practices meaning.
Therefore, the invention provides a kind of universal fatigue experiment control system, including：
Control instruction information memory cell, enter table for previously generating the default defeated information of controlling test；
The data that the default controlling test input information table includes are shown：The repetitive cycling mark being from left to right arranged in order
Note row, cycle criterion row, actuation time row and multiple actuator switching control instructions row；
Wherein, repetitive cycling flag column, for prestoring the label information of at least one default control actuation cycle；
Cycle criterion arranges, and corresponding with the label information of each default control actuation cycle for storage is pre-
If cycle-index；
Actuation time arranges, for store with the label information corresponding one of each default control actuation cycle or
The multiple predetermined time periods of person；
The multiple actuator switching control instruction row, including it is corresponding with each predetermined time period for storing
A variety of actuator switching control instructions；
Controlling test unit, it is connected respectively with the control instruction information memory cell, multiple electromagnetic relays, is used for
The one-to-one relationship between a variety of actuator switching control instructions and multiple actuator switch controllers is prestored, and
In the default controlling test input information table of control instruction information memory cell generation, according to order from top to bottom,
The label information for the default control actuation cycle being successively read in the repetitive cycling flag column, and read simultaneously with each being read
The corresponding preset loop number of the label information of the default control actuation cycle taken, then controls the multiple actuator to switch
Controller repeats preset loop operation and reaches the preset loop number；
Multiple actuator switch controllers, the actuator switch control for being sent according to the controlling test unit refer to
Order, corresponding control are turned on or off the actuator；
Multiple actuator, distinguish one-to-one connection with the multiple actuator switch controller, each actuator is used for
During the actuator switch controller startup optimization connected, the product application that fatigue test is carried out to outside need is default
Action.
Wherein, the default controlling test input information table is two-dimensional data table.
Wherein, the actuator switching control instruction is binary system control instruction.
Wherein, the actuator switch controller is used for when the actuator switching control instruction received is " 1 ",
Actuator is opened in corresponding control, and when the actuator switching control instruction received is " 0 ", start is closed in corresponding control
Device.
Wherein, the actuator switch controller is electromagnetic relay.
Wherein, the preset loop, which operates, is specially：The controlling test unit is for each read default control
The label information of actuation cycle, according to order from top to bottom, read in the actuation time row and followed with default control action
One or more corresponding predetermined time period of the label information of ring；Then, for read it is each described default when
Between length, according to order from left to right, be successively read in the multiple actuator switching control instruction row and the preset time
The corresponding a variety of actuator switching control instructions of length, then correspond to and be sent to the multiple actuator switch controller, and
And the transmission duration of every kind of actuator switching control instruction is equal to the predetermined time period.
The technical scheme provided by the invention more than, compared with prior art, the present invention propose a kind of general
Fatigue test control system, it can meet that different product carries out the fatigue test demand for control of compound action, it is tired to reduce progress
Labor experiment hardware economic input, reduce experiment user financial burden, while reduce carry out product fatigue test required for
The overall time, be advantageous to extensive production application, be of great practical significance.
Brief description of the drawings
Fig. 1 is a kind of structure square frame of universal fatigue experiment control system provided by the invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Referring to Fig. 1, a kind of universal fatigue experiment control system provided by the invention, including with lower unit：
Control instruction information memory cell 100, enter table for previously generating the default defeated information of controlling test；
In the present invention, the default controlling test input information table is preferably two-dimensional data table；
The data that the default controlling test input information table includes are shown：The repetitive cycling mark being from left to right arranged in order
Note row, cycle criterion row, actuation time row and multiple actuator switching control instructions row；
Wherein, repetitive cycling flag column, for prestoring the label information (example of at least one default control actuation cycle
If label information is 1 or 2, different control action circulations are represented)；
Cycle criterion arranges, and corresponding with the label information of each default control actuation cycle for storage is pre-
It is one-one relationship between them if cycle-index；
Actuation time arranges, and is followed for storing with the label information of each default control actuation cycle and each preset
One or more corresponding predetermined time period of ring number；
The multiple actuator switching control instruction row, including it is corresponding with each predetermined time period for storing
A variety of actuator switching control instructions, that is to say, that need to continuously carry out for storing a variety of actuator switching control instructions
Time span, the multiple actuator switching control instruction row can specifically form multirow actuator switching control instruction；
Controlling test unit 200, respectively with the control instruction information memory cell 100, the phase of multiple electromagnetic relays 300
Connection, for prestoring one between a variety of actuator switching control instructions and multiple actuator switch controllers 300
One corresponding relation, and in the default controlling test input information table that control instruction information memory cell 100 generates, according to
Order from top to bottom, the label information for the default control actuation cycle being successively read in the repetitive cycling flag column, and together
When read the corresponding preset loop number of label information of default control actuation cycle with each being read, then control institute
State multiple actuator switch controllers 300 and repeat preset loop and operate and reach the preset loop number, it is default to complete
Fatigue test operates；
The preset loop operates：The controlling test unit 200 moves for each read default control
Make the label information that circulates, according to order from top to bottom, read in the actuation time row with the default control actuation cycle
Corresponding one or more predetermined time period of label information；Then, each preset time for being read
Length, according to order from left to right, it is successively read in the multiple actuator switching control instruction row and is grown with the preset time
Corresponding a variety of actuator switching control instructions are spent, then corresponds to and is sent to the multiple actuator switch controller 300, and
And the transmission duration of every kind of actuator switching control instruction is equal to the predetermined time period (i.e. in the predetermined time period
Operation is controlled to actuator switch controller 300)；
Multiple actuator switch controllers 300, the actuator for being sent according to the controlling test unit 200 switch control
System instruction, corresponding control in real time are turned on or off the actuator 400；Therefore, when receiving a kind of work in predetermined time period
During dynamic device switching control instruction, actuator corresponding to control 400 is opened into predetermined time period.
In specific implementation, the actuator switching control instruction is preferably binary system control instruction, when binary system control refers to
Make for " 1 " when, actuator 400 is opened in corresponding control, and when binary system control instruction be " 0 ", corresponding to control closing actuator
400；Therefore, the actuator switch controller 300, specifically for being in the actuator switching control instruction received
When " 1 ", actuator 400 is opened in corresponding control, and when the actuator switching control instruction received is " 0 ", corresponding control
System closes actuator 400；
Multiple actuator 400, distinguish one-to-one connection, each actuator with the multiple actuator switch controller 300
400 are used in 300 startup optimization of actuator switch controller connected, and fatigue test is carried out to outside need
Product applies deliberate action (such as extruding is acted or pulled open, closing motion).
In the present invention, it is necessary to which explanation, the actuator 400 are preferably hydraulic actuator.In order to drive hydraulic pressure to make
Dynamic device, kinetic energy stably is provided for hydraulic actuator, for the present invention, the hydraulic actuator 3 and hydraulic power source (such as liquid
Press pump station) it is connected.Wherein, the hydraulic power source is used to provide stable pressure and flow, and output hydraulic pressure energy；The hydraulic pressure is made
Dynamic device can be converted to the hydraulic energy from hydraulic power source mechanical energy, and outwards output action power.
It should be noted that corresponding one of every kind of actuator switching control instruction needs the actuator being controlled；It is described
Need the number of actuator that is controlled identical with the number that the actuator switching control instruction arranges, i.e., how many needs
The actuator being controlled, actuator switching control instruction, and how many actuator switching control instruction are planted with regard to how many
Row.
In the present invention, it is necessary to explanation, the label information of the default control actuation cycle, that is, different controls
Information is distinguished in the identification of actuation cycle processed, can be expressed as different digital numbers, such as 1,2 or 3 etc..
In specific implementation, action species and execution sequence that each control action circulation specifically includes can be according to users
Needs be configured, be the combination operation of multiple actions, for example, can only perform successively car door opening, closing of the door this two
Individual action, form a control action circulation.
It should be noted that in the present invention, in the default controlling test input information table, the default control is moved
It is one-to-one mapping relation between label information and the preset loop number that work circulates；The preset loop number is with presetting
It is one-to-one or one-to-many mapping relations between time span；The predetermined time period and actuator switching control instruction
Between be one-to-many mapping relations.
In the present invention, in specific implementation, the control instruction information memory cell 100 and controlling test unit 200 can be with
There is the module of signal processing function for any one, for example, can be central processor CPU, digital signal processor DSP or
Person's single-chip microprocessor MCU.
In specific implementation, the controlling test unit 200 is preferably American National instrument (NATIONAL
INSTRUMENTS) the model NI USB-6501 of company's production digital data acquisition card.
In specific implementation, the control instruction information memory cell 100 can use Labview graphical programs editor's languages
Speech exploitation control program enters table to previously generate the defeated information of default controlling test.
In the present invention, in specific implementation, the actuator switch controller 300 is preferably electromagnetic relay.
For universal fatigue experiment control system provided by the invention is more clearly understood, for specific embodiment
It is bright.
Embodiment
Using universal fatigue experiment control system provided by the invention, the fatigue test to certain type automotive four-door two-lid is carried out
Implement, it is specific as follows：
The first step：The action that fatigue analysis experiment specifically includes：Action is divided into three kinds, there is protecgulum opening and closing, and bonnet is opened and closed, and two
Side opening/closing door of vehicle.Wherein, protecgulum on-off action is combined as pulling open front cover lock → opening → closing front cover lock → closing；Bonnet is opened and closed
Combination of actions is to pull open back cover lock → opening → closing back cover lock → closing；Opening/closing door of vehicle combination of actions is drives internal lock → pull open car
Door → lock → closed door inside the Pass → over lock → pulls open the lock → closed door of car door → outside the Pass.
Second step：By universal fatigue experiment control system provided by the invention, pass through control instruction information memory cell
100, which can previously generate the defeated information of controlling test, enters table, see the table below, and is formed corresponding with each predetermined time period
A variety of actuator switching control instructions.Specially：
Actuator and its corresponding actuator switch controller, corresponding driver for controlling front cover lock opening and closing are opened
Close control instruction and be classified as CH1 row, wherein the actuator switching control instruction stored is binary command, such as binary one；
For the actuator for controlling protecgulum opening and closing and its corresponding actuator switch controller, corresponding driver switch
Control instruction is classified as CH2 row, wherein the actuator switching control instruction stored is binary command, such as binary one；
Actuator and its corresponding actuator switch controller, corresponding driver for controlling back cover lock opening and closing are opened
Close control instruction and be classified as CH3 row, wherein the actuator switching control instruction stored is binary command, such as binary one；
For the actuator for controlling bonnet opening and closing and its corresponding actuator switch controller, corresponding driver switch
Control instruction is classified as CH4 row, wherein the actuator switching control instruction stored is binary command, such as binary one；
For the actuator for controlling interior door button opening and closing and its corresponding actuator switch controller, corresponding driver
Switching control instruction is classified as CH5 row, wherein the actuator switching control instruction stored is binary command, such as binary one；
For the actuator for controlling the opening and closing of car door external lock and its corresponding actuator switch controller, corresponding driver
Switching control instruction is classified as CH6 row, wherein the actuator switching control instruction stored is binary command, such as binary one；
For the actuator for controlling opening/closing door of vehicle and its corresponding actuator switch controller, corresponding driver switch
Control instruction is classified as CH7 row, wherein the actuator switching control instruction stored is binary command, such as binary one.
3rd step：It can be seen from following table, refer to for the driver switch control in CH1 row, CH3 row, CH5 row and CH6 row
Order, its corresponding predetermined time period (i.e. time duration) is 500ms；Switched for the driver in CH2 row and CH4 row
Control instruction, its corresponding predetermined time period (i.e. time duration) is 4000ms；Driver in being arranged for CH7 switchs
Control instruction, its corresponding predetermined time period (i.e. time duration) is 2000ms.
Make list-directed input list：
By experimental examination, with a kind of universal fatigue experiment control system provided by the invention, based on default experiment control
Make defeated information and enter table to control multiple actuator and its corresponding actuator switch controller, moved so as to perform the experiment of complexity
Make, it is standardized and orderly, and facilitate user to enter the information in table to the default defeated information of controlling test and be adjusted at any time, achieve good
Good test effect.
In summary, compared with prior art, a kind of universal fatigue experiment control system provided by the invention, it can be with
Meet that different product carries out the fatigue test demand for control of compound action, reduce the hardware economic input for carrying out fatigue test, subtract
The financial burden of user is tested less, while reduces the overall time required for progress product fatigue test, is advantageous to extensive life
Production application, is of great practical significance.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
- A kind of 1. universal fatigue experiment control system, it is characterised in that including：Control instruction information memory cell (100), enter table for previously generating the default defeated information of controlling test；The data that the default controlling test input information table includes are shown：The repetitive cycling mark being from left to right arranged in order Row, cycle criterion row, actuation time row and multiple actuator switching control instructions row；Wherein, repetitive cycling flag column, for prestoring the label information of at least one default control actuation cycle；Cycle criterion arranges, and corresponding default of label information for storing with each default control actuation cycle follows Ring number；Actuation time arranges, for storing the label information corresponding one or more with each default control actuation cycle Individual predetermined time period；The multiple actuator switching control instruction row, including it is corresponding with each predetermined time period more for storing Kind actuator switching control instruction；Controlling test unit (200), respectively with the control instruction information memory cell (100), multiple electromagnetic relays (300) It is connected, for prestoring between a variety of actuator switching control instructions and multiple actuator switch controllers (300) One-to-one relationship, and in the default controlling test input information table of control instruction information memory cell (100) generation In, according to order from top to bottom, the mark letter for the default control actuation cycle being successively read in the repetitive cycling flag column Cease, and the preset loop number that the label information for reading the default control actuation cycle with each being read simultaneously is corresponding, so After control the multiple actuator switch controller (300) repeat preset loop operation reach the preset loop number；Multiple actuator switch controllers (300), the actuator for being sent according to the controlling test unit (200) switch control System instruction, corresponding control are turned on or off the actuator (400)；Multiple actuator (400), with the one-to-one connection respectively of the multiple actuator switch controller (300), each actuator (400) it is used in actuator switch controller (300) startup optimization connected, tired examination is carried out to outside need The product tested applies deliberate action.
- 2. universal fatigue experiment control system as claimed in claim 1, it is characterised in that the default controlling test input letter Breath table is two-dimensional data table.
- 3. universal fatigue experiment control system as claimed in claim 1, it is characterised in that the actuator switching control instruction For binary system control instruction.
- 4. universal fatigue experiment control system as claimed in claim 3, it is characterised in that the actuator switch controller (300) it is used for when the actuator switching control instruction received is " 1 ", corresponding control unlatching actuator (400), and When the actuator switching control instruction received is " 0 ", actuator (400) is closed in corresponding control.
- 5. universal fatigue experiment control system as claimed in claim 1, it is characterised in that the actuator switch controller (300) it is electromagnetic relay.
- 6. the universal fatigue experiment control system as any one of claim 1 to 5, it is characterised in that described preset is followed Ring operates：The controlling test unit (200) for each read default control actuation cycle label information, According to order from top to bottom, read corresponding with the label information of the default control actuation cycle in the actuation time row One or more predetermined time period；Then, for each predetermined time period read, according to from left to right Sequentially, a variety of actuator corresponding with the predetermined time period in the multiple actuator switching control instruction row are successively read Switching control instruction, then correspond to and be sent to the multiple actuator switch controller (300), and the switch control of every kind of actuator The transmission duration of system instruction is equal to the predetermined time period.
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| CN201710716863.2A CN107479416A (en) | 2017-08-21 | 2017-08-21 | A kind of universal fatigue experiment control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710716863.2A CN107479416A (en) | 2017-08-21 | 2017-08-21 | A kind of universal fatigue experiment control system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202956263U (en) * | 2012-11-15 | 2013-05-29 | 广东鸿泰科技股份有限公司 | Fatigue testing device of automobile parts |
| CN203658031U (en) * | 2013-12-02 | 2014-06-18 | 江西昌河航空工业有限公司 | General tool assembly for fatigue test |
| CN104296987A (en) * | 2014-10-29 | 2015-01-21 | 上海应用技术学院 | Car engine hood lock catch fatigue test device |
| CN204228399U (en) * | 2014-11-27 | 2015-03-25 | 济南瑞晟机械有限公司 | A kind of fatigue tester |
| CN206208546U (en) * | 2016-09-19 | 2017-05-31 | 天津航天瑞莱科技有限公司 | Row seat fatigue rig high |
-
2017
- 2017-08-21 CN CN201710716863.2A patent/CN107479416A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202956263U (en) * | 2012-11-15 | 2013-05-29 | 广东鸿泰科技股份有限公司 | Fatigue testing device of automobile parts |
| CN203658031U (en) * | 2013-12-02 | 2014-06-18 | 江西昌河航空工业有限公司 | General tool assembly for fatigue test |
| CN104296987A (en) * | 2014-10-29 | 2015-01-21 | 上海应用技术学院 | Car engine hood lock catch fatigue test device |
| CN204228399U (en) * | 2014-11-27 | 2015-03-25 | 济南瑞晟机械有限公司 | A kind of fatigue tester |
| CN206208546U (en) * | 2016-09-19 | 2017-05-31 | 天津航天瑞莱科技有限公司 | Row seat fatigue rig high |
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Application publication date: 20171215 |