CN110455522A - A kind of car door durable test stand Method of Random Test based on servo electric cylinders - Google Patents
A kind of car door durable test stand Method of Random Test based on servo electric cylinders Download PDFInfo
- Publication number
- CN110455522A CN110455522A CN201910884133.2A CN201910884133A CN110455522A CN 110455522 A CN110455522 A CN 110455522A CN 201910884133 A CN201910884133 A CN 201910884133A CN 110455522 A CN110455522 A CN 110455522A
- Authority
- CN
- China
- Prior art keywords
- car door
- signal
- electric cylinders
- servo electric
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of car door durable test stand Method of Random Test based on servo electric cylinders.Including 3 steps: generating simultaneously output speed Setting signal x, output displacement Setting signal y, the switching of speed control and position control.For car door fatigue test, in order to make test process utmostly simulate the actual conditions of people's close door, speed preset signal x uses random velocity size, displacement Setting signal y integrates to obtain using speed preset signal x, drive car door that movement is opened and closed as actuator by servo electric cylinders, car door endurance test each time is completed by being manually set, using random given speed in the target position of unlatching, keeps test result more convincing.
Description
Technical field:
The present invention relates to car door fatigue test, specifically a kind of car door durable test stand random experiment based on servo electric cylinders
Method.
Background technique:
Car door durable test stand be it is a kind of for detect car door safety, reliability, durability and mechanical structure whether
The experimental rig of the performances such as reasonable, provides guarantee for the safety of passenger inside the vehicle and driver.Current car door durable test stand
It mostly uses cylinder as actuator, the opening and closing work of certain number, record examination is completed with identical speed band motor-car door
Situation is tested to obtain a result.However in practical situations, since the speed of different people's opening car doors is different, especially work as car door
Opening speed it is larger when, can to the service life of car door generate large effect, certain number is carried out using identical speed
The test result that car door endurance test obtains lacks persuasion, and investigation statistics show that taxi etc. provides the small-sized of commuter service
Vehicle opening/closing door of vehicle frequency highest, and since the habit of guest is different, there are larger differences for the speed of opening/closing door of vehicle, conventional at this time
Test method be difficult to meet the requirement of car door endurance test, leave hidden danger for the safety of passenger and driver on vehicle.
Summary of the invention:
In order to overcome the above problems, the car door durable test stand random experiment based on servo electric cylinders that the present invention provides a kind of
Method.Technical scheme is as follows:
A kind of car door durable test stand Method of Random Test based on servo electric cylinders is realized dependent on servo electric cylinders, by servo
Electric cylinders drive car door to complete opening and closing work as actuator.
A kind of task of the car door durable test stand Method of Random Test based on servo electric cylinders mainly uses random velocity
Complete car door fatigue test.Using 1m/s-4m/s at the random signal of standardized normal distribution as velocity magnitude signal, speed is big
Small signal sampling period be 12s, use amplitude for 1, period 12s, duty ratio be 50% square-wave signal as directional velocity
Signal, using velocity magnitude signal and directional velocity signal as the input of multiplier, then output is speed preset signal x；It adopts
Displacement Setting signal y is obtained with the mode that speed preset signal x is integrated, error was smaller during both having ensure that position tracking, together
When also avoid the problem that consider direction of displacement；Target position r is added in desin speed control and the switching of position control, that is, tries
The setting value for testing middle car door opening position is handled displacement Setting signal with saturator, using comparator that displacement is given
The output of signal y and saturator are compared, and judge to be displaced whether Setting signal y meets target position r, the comparator if meeting
Output 0, by multiplier and speed preset signal x product, speed preset 0, position control plays a major role；If being unsatisfactory for
Comparator output 1, by multiplier and speed preset signal x product, speed preset signal x is remained unchanged, and speed control plays master
It acts on.
The present invention is used according to factual survey data and is used as at the 1m/s-4m/s velocity interval of standardized normal distribution to constant speed
Size is spent, car door displacement uses 1m, and opening and closing speed is fast, and runing time is short, in order to guarantee that speed can reach given value, using watching
Electric cylinders, which are taken, as actuator can meet test requirements document since servo electric cylinders fast response time itself, precision are high；Random velocity
Setting can simulate the case where physical condition servant is opened and closed car door to the greatest extent, keep test result more convincing；Displacement
Setting signal is obtained by the way of speed signal integral, prevents error larger impact speed control during position tracking, together
When also avoid the problem that consider direction of displacement；Using cutting for saturator, comparator, multiplier completion speed control and position control
It changes, operator is made to be readily appreciated that and realize；Running parameter in entire test method can be adjusted according to actual requirement, the side of making
Method has biggish versatility.
Detailed description of the invention:
Fig. 1 is a kind of structural block diagram of the car door durable test stand Method of Random Test based on servo electric cylinders of the present invention.
Fig. 2 is a kind of specific workflow of the car door durable test stand random experiment side based on servo electric cylinders of the present invention
Figure.
Appended drawing reference is as follows: 1 indicates speed preset signal x, and 2 indicate integral element, and 3 indicate displacement Setting signal y, 4 tables
Show target position r, 5 indicate saturator, and 6 indicate comparator, and 7 indicate multiplier, and 8 indicate servo electric cylinders.
Specific embodiment:
Fig. 1 is a kind of structural block diagram of car door durable test stand Method of Random Test based on servo electric cylinders.
In Fig. 1,1 is speed preset signal x, and 2 be integral element, and 3 be displacement Setting signal y, and 4 be target position r, 5
It is comparator for saturator, 6,7 be multiplier, and 8 be servo electric cylinders.
Fig. 2 is a kind of specific workflow figure of car door durable test stand random experiment side based on servo electric cylinders.
A kind of car door durable test stand Method of Random Test based on servo electric cylinders includes following 3 steps:
Car door durable test stand uses servo electric cylinders 8 to drive car door to complete opening and closing work as actuator, and running parameter is such as
Under: test frequency is 5 times/min, and displacement is 0m when car door is not opened, and it is 1m that servo electric cylinders 8, which drive the displacement of car door movement, is watched
Taking electric cylinders 8 and driving the velocity magnitude of car door movement is 1m/s-4m/s, and each running parameter in this testing stand can be according to reality
It needs voluntarily to adjust.
Step 1, generation and output speed Setting signal x 1: speed preset signal x 1 include velocity magnitude and directional velocity
Two parts, are used as actuator using servo electric cylinders 8, and due to servo electric cylinders 8, precision itself is high, fast response time, therefore velocity magnitude
Velocity magnitude using 1m/s-4m/s at the random signal of standardized normal distribution as car door endurance test, random signal are adopted
The sample period is 12s；It include two movements of opening the door and close the door, velocity magnitude during the two in a car door endurance test
The same direction is on the contrary, therefore directional velocity uses the square-wave signal that amplitude is 50% for 1, period 12s, duty ratio；Speed is big
The input of small signal and directional velocity signal as multiplier, then output is speed preset signal x 1；
Step 2, output displacement Setting signal y 3: it is different from speed signal design, if displacement signal directlys adopt target position
It sets r4 and will lead to and generate large error during position control, keep positioner output larger, and then influence speed control, be
It is obtained by the way of avoiding the above problem, displacement Setting signal y 3 from integrating using speed preset signal x 1, both ensure that position
Error is smaller during tracking, while also avoiding the problem that considering direction of displacement；
The switching of step 3, speed control and position control: a car door endurance test includes car door opening, holding, pass
It closes, keep four-stage, amount to 12s, complete to open in first 6s, be kept for two stages, complete to close in second 6s, protect
Two stages are held, are played a major role opening and closing stage speed control, target position r4 signal uses the period for 12s, width
The pulse signal that value is 1m, duty ratio is 50%, the holding stage is entered when the displacement of opening and closing reaches target position r,
Position control plays a major role at this time；The switching of position control and speed control is completed by comparator 6 and multiplier 7, displacement
Setting signal is handled with displacement saturator 5, and the lower limit of displacement saturator 5 is 0m, upper limit 1m, by target position r 4 and displacement
5 output signal of saturator makees input of the difference as comparator 6, and 1 is exported when difference is not zero, 0 is exported when difference is zero；By comparator 6
Output and input of the speed preset signal x 1 as multiplier 7 are displaced Setting signal y 3 not in car door opening and closing process
Reach target position r4, comparator 6 exports 1,7 output speed Setting signal x 1 of multiplier at this time, and speed control rises main at this time
Effect is keeping phase displacement Setting signal y 3 to reach target position r 4, the output of comparator 6 at this time 0, and the output of multiplier 7 is
0, position control plays a major role at this time, guarantees the accuracy of position, prevents car door displacement from continuing when reaching target position
Open or close movement.
Claims (1)
1. a kind of car door durable test stand Method of Random Test based on servo electric cylinders, car door durable test stand uses servo electric cylinders
Drive car door to complete opening and closing work as actuator, running parameter is as follows: test frequency is 5 times/min, position when car door is not opened
Moving is 0m, and it is 1m that servo electric cylinders, which drive the displacement of car door movement, and it is 1m/s- that servo electric cylinders, which drive the velocity magnitude of car door movement,
4m/s, displacement and servo electric cylinders drive 3 running parameter of displacement of car door movement equal when the test frequency, car door are not opened
It can voluntarily adjust according to actual needs；It is characterized in that, the car door durable test stand random experiment side based on servo electric cylinders
Method includes the following steps.
Step 1 generates and output speed Setting signal x: speed preset signal x includes velocity magnitude and directional velocity two parts,
Using servo electric cylinders as actuator, velocity magnitude is using 1m/s-4m/s at the random signal of standardized normal distribution as car door
The velocity magnitude of endurance test, the sampling period of random signal are 12s；It include opening the door and closing the door in a car door endurance test
Two movement, velocity magnitude same direction during the two on the contrary, therefore directional velocity use amplitude for 1, period 12s,
The square-wave signal that duty ratio is 50%；Using velocity magnitude signal and directional velocity signal as the input of multiplier, then output is
For speed preset signal x；
Step 2, output displacement Setting signal y: displacement Setting signal y is obtained by the way of speed preset signal x integral；
The switching of step 3, speed control and position control: a car door endurance test includes car door opening, holding, closing, guarantor
Four-stage is held, amounts to 12s, completes to open in first 6s, be kept for two stages, complete to close in second 6s, keep two
A stage plays a major role opening and closing stage speed control, and target position r signal uses the period to be for 12s, amplitude
1m, the pulse signal that duty ratio is 50%, the holding stage are entered when the displacement of opening and closing reaches target position r, at this time
Position control plays a major role；The switching of position control and speed control is completed by comparator and multiplier, is displaced given letter
Number with displacement saturator processing, be displaced saturator lower limit be 0m, upper limit 1m, by target position r and displacement saturator output
Signal makees input of the difference as comparator, and 1 is exported when difference is not zero, 0 is exported when difference is zero；By comparator output and speed preset
Input of the signal as multiplier is displaced Setting signal y miss the mark position r, compares at this time in car door opening and closing process
Compared with device output 1, multiplier output speed Setting signal, speed control plays a major role at this time, is keeping the given letter of phase displacement
Number y reaches target position r, and comparator output at this time 0, multiplier output is 0, and position control plays a major role at this time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884133.2A CN110455522B (en) | 2019-09-19 | 2019-09-19 | Random test method for vehicle door endurance test bed based on servo electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884133.2A CN110455522B (en) | 2019-09-19 | 2019-09-19 | Random test method for vehicle door endurance test bed based on servo electric cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110455522A true CN110455522A (en) | 2019-11-15 |
| CN110455522B CN110455522B (en) | 2021-03-26 |
Family
ID=68492389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910884133.2A Active CN110455522B (en) | 2019-09-19 | 2019-09-19 | Random test method for vehicle door endurance test bed based on servo electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110455522B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380496A (en) * | 2023-06-06 | 2023-07-04 | 苏州艾驰博特检测科技有限公司 | Automobile door fatigue endurance test method, system and medium |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6062079A (en) * | 1997-08-19 | 2000-05-16 | Becs Technology, Inc. | Apparatus for automatically verifying the installation and alignment of an automotive door |
| US20040261548A1 (en) * | 2003-06-26 | 2004-12-30 | Shea Robert E. | Fixture for hood slam simulation |
| DE102008064391A1 (en) * | 2007-12-27 | 2009-07-02 | Okuma Corporation | Machine diagnostic method and apparatus |
| CN101526435A (en) * | 2009-03-26 | 2009-09-09 | 上海大学 | Torque loading tester and controlling system thereof |
| JP2010166686A (en) * | 2009-01-15 | 2010-07-29 | Yaskawa Electric Corp | Motor control unit equipped with failure diagnosing section of machine |
| CN103398859A (en) * | 2013-08-19 | 2013-11-20 | 重庆理工大学 | Force-displacement hybrid control motorcycle frame fatigue test method |
| CN103575548A (en) * | 2013-11-19 | 2014-02-12 | 浙江吉利汽车研究院有限公司 | Durability test bed for automobile door |
| DE102014104918A1 (en) * | 2013-04-16 | 2014-10-16 | Ge Aviation Systems Ltd. | Method for predicting a fault in the aerodynamic braking system |
| JP2016161465A (en) * | 2015-03-04 | 2016-09-05 | トヨタ自動車九州株式会社 | Vehicle durability testing device |
| US20160266013A1 (en) * | 2015-03-12 | 2016-09-15 | Ford Global Technologies, Llc | Vehicle closure cycling device and method |
| CN106989936A (en) * | 2017-03-29 | 2017-07-28 | 江铃汽车股份有限公司 | A kind of electric glass lifter and switch gate integrate durable test device |
| CN206378278U (en) * | 2016-12-26 | 2017-08-04 | 北汽福田汽车股份有限公司 | Universal test device and test system |
| CN107037357A (en) * | 2017-05-31 | 2017-08-11 | 中国电力科学研究院 | A kind of full-automatic circuit breaker chassis mechanical endurance test system and method |
| CN107271160A (en) * | 2017-06-02 | 2017-10-20 | 中国商用飞机有限责任公司 | A kind of test method for verifying aircraft door durability switching function |
| CN208366626U (en) * | 2018-07-04 | 2019-01-11 | 北京车和家信息技术有限公司 | Car door durability test apparatus |
| CN109900464A (en) * | 2019-03-07 | 2019-06-18 | 武汉佳特轿车零部件有限公司 | A kind of centrally controrlled locking system detection system |
-
2019
- 2019-09-19 CN CN201910884133.2A patent/CN110455522B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6062079A (en) * | 1997-08-19 | 2000-05-16 | Becs Technology, Inc. | Apparatus for automatically verifying the installation and alignment of an automotive door |
| US20040261548A1 (en) * | 2003-06-26 | 2004-12-30 | Shea Robert E. | Fixture for hood slam simulation |
| DE102008064391A1 (en) * | 2007-12-27 | 2009-07-02 | Okuma Corporation | Machine diagnostic method and apparatus |
| JP2010166686A (en) * | 2009-01-15 | 2010-07-29 | Yaskawa Electric Corp | Motor control unit equipped with failure diagnosing section of machine |
| CN101526435A (en) * | 2009-03-26 | 2009-09-09 | 上海大学 | Torque loading tester and controlling system thereof |
| DE102014104918A1 (en) * | 2013-04-16 | 2014-10-16 | Ge Aviation Systems Ltd. | Method for predicting a fault in the aerodynamic braking system |
| CN103398859A (en) * | 2013-08-19 | 2013-11-20 | 重庆理工大学 | Force-displacement hybrid control motorcycle frame fatigue test method |
| CN103575548A (en) * | 2013-11-19 | 2014-02-12 | 浙江吉利汽车研究院有限公司 | Durability test bed for automobile door |
| JP2016161465A (en) * | 2015-03-04 | 2016-09-05 | トヨタ自動車九州株式会社 | Vehicle durability testing device |
| US20160266013A1 (en) * | 2015-03-12 | 2016-09-15 | Ford Global Technologies, Llc | Vehicle closure cycling device and method |
| CN206378278U (en) * | 2016-12-26 | 2017-08-04 | 北汽福田汽车股份有限公司 | Universal test device and test system |
| CN106989936A (en) * | 2017-03-29 | 2017-07-28 | 江铃汽车股份有限公司 | A kind of electric glass lifter and switch gate integrate durable test device |
| CN107037357A (en) * | 2017-05-31 | 2017-08-11 | 中国电力科学研究院 | A kind of full-automatic circuit breaker chassis mechanical endurance test system and method |
| CN107271160A (en) * | 2017-06-02 | 2017-10-20 | 中国商用飞机有限责任公司 | A kind of test method for verifying aircraft door durability switching function |
| CN208366626U (en) * | 2018-07-04 | 2019-01-11 | 北京车和家信息技术有限公司 | Car door durability test apparatus |
| CN109900464A (en) * | 2019-03-07 | 2019-06-18 | 武汉佳特轿车零部件有限公司 | A kind of centrally controrlled locking system detection system |
Non-Patent Citations (7)
| Title |
|---|
| BONE GM、CHEN X: "Position control of hybrid pneumatic-electric actuators", 《 AMERICAN CONTROL CONFERENCE》 * |
| CHO S H、RCKLEBE S、HELDUSER S: "Position tracking control of a clamp-cylinder for energy-saving injection moulding machines with electric-hydrostatic drives", 《 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I JOURNAL OF SYSTEMS & CONTROL ENGINEERING》 * |
| KIM BYEONG SAM、LIM KWANGKYU: "Durability Prediction of Door W/H System Using FEM Analysis", 《JOURNAL OF AUTO-VEHICLE SAFETY ASSOCIATION》 * |
| 周昊: "电动缸位置伺服控制系统设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 夏连、田垒、于瑞贺等: "E－Slam全闭环侧门开闭耐久试验系统", 《上海汽车》 * |
| 徐济慈、王宇峰: "汽车电动滑移门耐久性试验装置的研究", 《上海汽车》 * |
| 漆晖: "汽车车门开闭耐久的试验标准与方法研究", 《制造试验》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380496A (en) * | 2023-06-06 | 2023-07-04 | 苏州艾驰博特检测科技有限公司 | Automobile door fatigue endurance test method, system and medium |
| CN116380496B (en) * | 2023-06-06 | 2023-08-11 | 苏州艾驰博特检测科技有限公司 | Automobile door fatigue endurance test method, system and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110455522B (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7430899B2 (en) | Methods and systems for testing electromagnetically actuated fuel injectors | |
| CN108802459B (en) | Automatic testing system and method for oscilloscope | |
| KR100904767B1 (en) | Test evaluation apparatus of collision avoidance system | |
| KR102139513B1 (en) | Autonomous driving control apparatus and method based on ai vehicle in the loop simulation | |
| CN108255151A (en) | A kind of evaluation system of automatic driving vehicle | |
| DE102014101735A1 (en) | METHOD AND DEVICE FOR CONTROLLING AN ROBOT DEVICE FROM SURGERY ON THE BODY | |
| US20200355566A1 (en) | Method for detecting a parameter of a closure element | |
| KR20020008209A (en) | Method Of Electronically Monitoring And Controlling A Process For The Adjustment Of Mobile Parts | |
| CN110455522A (en) | A kind of car door durable test stand Method of Random Test based on servo electric cylinders | |
| CN103335854A (en) | Rubber shock absorber measurement and control system based on acceleration feedback information drive | |
| Indri et al. | Friction modeling and identification for industrial manipulators | |
| CN110775066B (en) | Modeling method of steering system of automatic driving vehicle and vehicle steering system | |
| DE102021124029A1 (en) | VEHICLE INTERFACE OPERATION | |
| US20220334161A1 (en) | Electromagnetic immunity test system and control method thereof | |
| EP3397431A1 (en) | Robot and method for operating a robot | |
| EP2154591B1 (en) | Device and method for testing systems with visual output | |
| CN109682584B (en) | Robot rigidity performance testing method and device | |
| DE102019130096A1 (en) | Method for determining radar information, simulation method, classification method, computer program and calculation system | |
| Wagener et al. | Automated scenario generation for testing advanced driver assistance systems based on post-processed reference laser scanner data | |
| CN109143020B (en) | PCB testing method, device and testing equipment | |
| CN106289422A (en) | Automobile ECO pattern oil consumption evaluation test method and system | |
| CN111273633A (en) | Apparatus and method for measuring, simulating, marking and evaluating components and systems of a vehicle | |
| CN103941757A (en) | Potentiometer processing system and method | |
| CN209470663U (en) | A kind of mid frequency induction hardening depth intelligence eddy detection system | |
| CN210834184U (en) | Random signal generator for vehicle door endurance test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |