CN105841955A - Automatic transmission performance detection and fault diagnosis test system - Google Patents
Automatic transmission performance detection and fault diagnosis test system Download PDFInfo
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- CN105841955A CN105841955A CN201610153920.6A CN201610153920A CN105841955A CN 105841955 A CN105841955 A CN 105841955A CN 201610153920 A CN201610153920 A CN 201610153920A CN 105841955 A CN105841955 A CN 105841955A
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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
- G01M13/02—Gearings; Transmission mechanisms
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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Abstract
An automatic transmission performance detection and fault diagnosis test system relates to the automatic transmission test system technology field. An automatic transmission performance detection system is designed taking LabVIEW as a core. A modularization design idea is used; the test system is effectively divided functionally according to a performance parameter; a high precision sensor system which is easy to install is adopted; a friendly interactive interface is possessed; signals of shifting impact, main oil-way oil pressure, each shifting oil pressure, a vehicle speed, a gear and the like are processed and analyzed during a usage process of an automatic transmission so as to acquire a curve of describing changes of a corresponding performance parameter along with times, which provides a certain theory reference for an automatic transmission performance test. A corresponding performance parameter of a vehicle during an actual running process can be read in real time, a detection parameter possesses a practical significance and a foundation is established for fault detection of a vehicle transmission.
Description
Technical field
The present invention relates to automatic transmission test systems technology field, be specifically related to the performance detection of a kind of automatic transmission, Fault Diagnosis and Test System.
Background technology
Along with the fast development of World Auto Industry, people's convenience, simple type and comfortableness to driving a car proposes higher requirement.The development of automatic gearbox is from the transformation to manual transmission, and automotive performance is increased significantly by the use of automatic transmission.Owing to automatic transmission is by hydraulic pressure, executive component combines soft, and the impact shock produced when automobile start reduces, so extending the useful life of element to a certain extent, and the comfortableness simultaneously also strengthened；Automobile by property in terms of good, low-speed stable, shift shock is little；Decrease manual operation, on the one hand alleviate the working strength of human pilot, on the other hand also reduce the insecurity that anthropic factor is brought；The duty of electromotor is good all the time, in actual travel, makes automobile have preferable power performance and the economy performance, effectively reduces engine emission.Dynamic property, economy, comfortableness and the feature of environmental protection of the good and bad degree direct influence automobile of its performance, the performance therefore detecting and diagnosing automatic transmission has highly important practical significance.
The patent No. 201420771048. 8 discloses a kind of automatic transmission actual training device, but there is presently no the software testing system of this automatic transmission actual training device and the detection of concrete performance and method for diagnosing faults.
Summary of the invention
Present invention aims to defect and the deficiency of prior art, it is provided that a kind of automatic transmission performance detection, Fault Diagnosis and Test System.
For achieving the above object, the technical solution used in the present invention is: a kind of automatic transmission performance detection, Fault Diagnosis and Test System, it is characterised in that its test system includes sensor, control unit, industrial computer, converter；Described sensor includes speed probe, temperature sensor, vibrating sensor, torque sensor, TPS, each oil circuit pressure sensor, accelerator pedal position sensor；Control unit includes level shifting circuit, filtering and amplifying circuit, central processor CPU, A/D converter, input/output interface；Speed probe connects level shifting circuit；Temperature sensor, vibrating sensor, torque sensor, TPS, each oil circuit pressure sensor, accelerator pedal position sensor connect filtering and amplifying circuit；Level shifting circuit is connected with central processor CPU；Filtering and amplifying circuit is connected with central processor CPU by A/D converter；Central processor CPU is connected with each other with industrial computer by input/output interface；The output interface of central processor CPU is connected with converter；Write-in program in control unit memorizer, the signal of each sensor by receiving, after CPU carries out logical operations, draw each performance parameter, and automatic transmission performance is made evaluation；Control unit also carries out communication by CAN and automatic transmission ECU, makes signal between the two share；Industrial computer is as the input-output equipment of test system, when detecting in real time, utilizes the real-time display interface of LabVIEW software editing, shows testing result.
Its testing system software module includes automatic transmission performance test module, TRANS FAILSAFE PROG detection module；Described includes that automatic transmission performance test module includes parameter input module, collecting sensor signal module, sensor signal pretreatment module, signal analysis module, signal display module；Described TRANS FAILSAFE PROG detection module includes collecting sensor signal module, sensor signal pretreatment module, signal analysis module, trouble point discrimination module.
Automatic transmission performance detects and accident analysis entirety software testing system flow process is:
One, after entrance system, driver and acquisition system are initialized；
Two, enter main interface, after main interface selective energy detection module or trouble point discrimination module, carry out the setting of parameter, specifically include that the selection of measured signal passage, testing time segment length, triggering mode, sampling parameter are arranged；
Three, enter the data acquisition of corresponding signal, Signal Pretreatment, the analysis of signal, signal storage and signal to show, finally draw the characteristic parameter characterizing automatic transmission performance.
Its performance detection includes that smooth gear shifting detects, and its step is as follows:
One, gather automatic transmission main oil pressure, each shift actuator operating oil pressure, gather in shift process, produce the amplitude of vibration, frequency of vibration and the speed of unit interval vibration change；
Two, gather automatic transmission main oil pressure, the data of each shift actuator operating oil pressure compare with reference value；Data value is too high, represents that shift shock affects smooth gear shifting；Data are too low, represent that executive component skids, affect schedule, stability；
Amplitude, frequency of vibration vibration velocity are analyzed by the data three, gathering the speed producing the amplitude of vibration, frequency of vibration and unit interval vibration change in shift process；
Four, output data.
Variator Vibration Condition and the pressure changing of hydraulic oil that gear shift ride comfort is mainly caused by detection shift shock carry out relevant evaluation to its performance.
Its performance detection also includes schedule detection detection, and its step is as follows:
One, gather automatic transmission power shaft, output shaft rotating speed, obtain actual transmission ratio；
Two, actual transmission compares than with reference value, and too high expression upshifts in advance, affects schedule；The delayed upshift of too low expression or without upshift, affect schedule；
Three, output data.
Its performance detection also includes response detection detection of shifting gears, and its step is as follows:
One, gather the signal of speed change by being arranged on TSS, be delivered in capture card, calculate the transforming gear time by program；
Two, the real transform time compares with reference value；
Three, output data.
nullAfter using such scheme，Present invention have the beneficial effect that the performance detection of a kind of automatic transmission of the present invention、Fault Diagnosis and Test System，It is the performance detecting system of automatic transmission with LabVIEW as core design，Use modular design philosophy，Effectively test system is carried out function division according to performance parameter，Use high accuracy and easy-to-install sensing system，Friendly interactivity interface，Shift shock during automatic transmission is used、Working connection oil pressure、Each gearshift oil pressure and speed、The signals such as gear are processed、Analyze，Obtain the time dependent curve of corresponding performance parameter，Certain theory reference is provided for automatic transmission performance test，Performance parameter corresponding during reading automobile actual travel that can be real-time，Detection parameter more practical significance，Fault detect for automotive transmission is laid a good foundation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is automatic transmission test system structure block diagram；
Fig. 2 is automatic transmission testing system software module map；
Fig. 3 is automatic transmission software system flow chart；
Fig. 4 is smooth gear shifting performance parameter detection scheme；
Fig. 5 is schedule performance parameter detection scheme；
Fig. 6 is gearshift response performance parameter detecting scheme.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is further illustrated.
The technical solution used in the present invention is: as it is shown in figure 1, the performance detection of a kind of automatic transmission, Fault Diagnosis and Test System, it is characterised in that its test system includes sensor, control unit, industrial computer, converter；Described sensor includes speed probe, temperature sensor, vibrating sensor, torque sensor, TPS, each oil circuit pressure sensor, accelerator pedal position sensor；Control unit includes level shifting circuit, filtering and amplifying circuit, central processor CPU, A/D converter, input/output interface；Speed probe connects level shifting circuit；Temperature sensor, vibrating sensor, torque sensor, TPS, each oil circuit pressure sensor, accelerator pedal position sensor connect filtering and amplifying circuit；Level shifting circuit is connected with central processor CPU；Filtering and amplifying circuit is connected with central processor CPU by A/D converter；Central processor CPU is connected with each other with industrial computer by input/output interface；The output interface of central processor CPU is connected with converter；Write-in program in control unit memorizer, the signal of each sensor by receiving, after CPU carries out logical operations, draw each performance parameter, and automatic transmission performance is made evaluation；Control unit also carries out communication by CAN and automatic transmission ECU, makes signal between the two share；Industrial computer is as the input-output equipment of test system, when detecting in real time, utilizes the real-time display interface of LLabVIEW software editing, shows testing result.
As in figure 2 it is shown, its testing system software module includes automatic transmission performance test module, TRANS FAILSAFE PROG detection module；Described includes that automatic transmission performance test module includes parameter input module, collecting sensor signal module, sensor signal pretreatment module, signal analysis module, signal display module；Described TRANS FAILSAFE PROG detection module includes collecting sensor signal module, sensor signal pretreatment module, signal analysis module, trouble point discrimination module；By software module, automatic transmission throttle position numerical value and automatic transmission input and output rotating speed size, system vibration size, delay length of shifting gears, the real time record of gear positions information are got off by final realization.Store on demand and show, facilitate TRANS FAILSAFE PROG detection and analyze.
As it is shown on figure 3, the detection of automatic transmission performance and accident analysis entirety software testing system flow process are:
One, after entrance system, driver and acquisition system are initialized；
Two, enter main interface, after main interface selective energy detection module or trouble point discrimination module, carry out the setting of parameter, specifically include that the selection of measured signal passage, testing time segment length, triggering mode, sampling parameter are arranged；
Three, enter the data acquisition of corresponding signal, Signal Pretreatment, the analysis of signal, signal storage and signal to show, finally draw the characteristic parameter characterizing automatic transmission performance
Its performance detection includes that smooth gear shifting detects, and as shown in Figure 4, its step is as follows:
One, gather automatic transmission main oil pressure, each shift actuator operating oil pressure, gather in shift process, produce the amplitude of vibration, frequency of vibration and the speed of unit interval vibration change；
Two, gather automatic transmission main oil pressure, the data of each shift actuator operating oil pressure compare with reference value；Data value is too high, represents that shift shock affects smooth gear shifting；Data are too low, represent that executive component skids, affect schedule, stability；
Amplitude, frequency of vibration vibration velocity are analyzed by the data three, gathering the speed producing the amplitude of vibration, frequency of vibration and unit interval vibration change in shift process；
Four, output data.
Its performance detection also includes schedule detection detection, as it is shown in figure 5, its step is as follows:
One, gather automatic transmission power shaft, output shaft rotating speed, obtain actual transmission ratio；
Two, actual transmission compares than with reference value, and too high expression rises in advance, and shelves affect schedule；The delayed upshift of too low expression or without upshift, affect schedule；
Three, output data.
Its performance detection also includes response detection detection of shifting gears, and as shown in Figure 6, its step is as follows:
One, gather the signal of speed change by being arranged on TSS, be delivered in capture card, calculate the transforming gear time by program；
Two, the real transform time compares with reference value；
Three, output data.
nullThe performance detection having the beneficial effect that a kind of automatic transmission of the present invention of this detailed description of the invention、Fault Diagnosis and Test System，It is the performance detecting system of automatic transmission with LabVIEW as core design，Use modular design philosophy，Effectively test system is carried out function division according to performance parameter，Use high accuracy and easy-to-install sensing system，Friendly interactivity interface，Shift shock during automatic transmission is used、Working connection oil pressure、Each gearshift oil pressure and speed、The signals such as gear are processed、Analyze，Obtain the time dependent curve of corresponding performance parameter，Certain theory reference is provided for automatic transmission performance test，Performance parameter corresponding during reading automobile actual travel that can be real-time，Detection parameter more practical significance，Fault detect for automotive transmission is laid a good foundation.
The above, only in order to technical scheme to be described and unrestricted, other amendment or equivalent that technical scheme is made by those of ordinary skill in the art, without departing from the spirit and scope of technical solution of the present invention, all should contain in the middle of scope of the presently claimed invention.
Claims (6)
1. the detection of automatic transmission performance, Fault Diagnosis and Test System, it is characterised in that its test system includes sensor, control unit, industrial computer, converter；Described sensor includes speed probe, temperature sensor, vibrating sensor, torque sensor, TPS, each oil circuit pressure sensor, accelerator pedal position sensor；Control unit includes level shifting circuit, filtering and amplifying circuit, central processor CPU, A/D converter, input/output interface；Speed probe connects level shifting circuit；Temperature sensor, vibrating sensor, torque sensor, TPS, each oil circuit pressure sensor, accelerator pedal position sensor connect filtering and amplifying circuit；Level shifting circuit is connected with central processor CPU；Filtering and amplifying circuit is connected with central processor CPU by A/D converter；Central processor CPU is connected with each other with industrial computer by input/output interface；The output interface of central processor CPU is connected with converter；Write-in program in control unit memorizer, the signal of each sensor by receiving, after CPU carries out logical operations, draw each performance parameter, and automatic transmission performance is made evaluation；Control unit also carries out communication by CAN and automatic transmission ECU, makes signal between the two share；Industrial computer is as the input-output equipment of test system, when detecting in real time, utilizes the real-time display interface of LLabVIEW software editing, shows testing result.
A kind of automatic transmission performance detection the most according to claim 1, Fault Diagnosis and Test System, it is characterised in that its testing system software module includes automatic transmission performance test module, TRANS FAILSAFE PROG detection module；Described includes that automatic transmission performance test module includes parameter input module, collecting sensor signal module, sensor signal pretreatment module, signal analysis module, signal display module；Described TRANS FAILSAFE PROG detection module includes collecting sensor signal module, sensor signal pretreatment module, signal analysis module, trouble point discrimination module.
The performance detection of a kind of automatic transmission the most according to claim 1, Fault Diagnosis and Test System, it is characterised in that its performance detects and accident analysis entirety software testing system flow process is:
One, after entrance system, driver and acquisition system are initialized；
Two, enter main interface, after main interface selective energy detection module or trouble point discrimination module, carry out the setting of parameter, specifically include that the selection of measured signal passage, testing time segment length, triggering mode, sampling parameter are arranged；
Three, enter the data acquisition of corresponding signal, Signal Pretreatment, the analysis of signal, signal storage and signal to show, finally draw the characteristic parameter characterizing automatic transmission performance.
A kind of automatic transmission performance detection the most according to claim 1, Fault Diagnosis and Test System, it is characterised in that its performance detection includes that smooth gear shifting detects, and its step is as follows:
One, gather automatic transmission main oil pressure, each shift actuator operating oil pressure, gather in shift process, produce the amplitude of vibration, frequency of vibration and the speed of unit interval vibration change；
Two, gather automatic transmission main oil pressure, the data of each shift actuator operating oil pressure compare with reference value；Data value is too high, represents that shift shock affects smooth gear shifting；Data are too low, represent that executive component skids, affect schedule, stability；
Amplitude, frequency of vibration vibration velocity are analyzed by the data three, gathering the speed producing the amplitude of vibration, frequency of vibration and unit interval vibration change in shift process；
Four, output data.
A kind of automatic transmission performance detection the most according to claim 1, Fault Diagnosis and Test System, it is characterised in that its performance detection also includes that schedule detects, and its step is as follows:
One, gather automatic transmission power shaft, output shaft rotating speed, obtain actual transmission ratio；
Two, actual transmission compares than with reference value, and too high expression upshifts in advance, affects schedule；The delayed upshift of too low expression or without upshift, affect schedule；
Three, output data.
A kind of automatic transmission performance detection the most according to claim 1, Fault Diagnosis and Test System, it is characterised in that its performance detection also includes response detection of shifting gears, and its step is as follows:
One, the speed probe by being arranged on transmission output shaft gathers the signal of speed change, is delivered in capture card, calculates the transforming gear time by program；
Two, the real transform time compares with reference value；
Three, output data.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774091A (en) * | 2017-01-19 | 2017-05-31 | 上海申赛机电控制技术有限公司 | Engineering truck state real-time radio TT＆C system |
| CN107066260A (en) * | 2017-03-08 | 2017-08-18 | 广州市富元电子有限公司 | A kind of open automatic gear-box testing process control engine |
| CN107121281A (en) * | 2017-05-31 | 2017-09-01 | 安徽国防科技职业学院 | Gearbox emulation test system |
| CN107917791A (en) * | 2017-11-14 | 2018-04-17 | 中国北方车辆研究所 | Endless-track vehicle plays comprehensive actuator main shaft repeated impact test method in step gear shifting |
| CN109508179A (en) * | 2018-11-29 | 2019-03-22 | 中国北方车辆研究所 | A kind of automatic transmission caliberating device software architecture |
| CN110208008A (en) * | 2019-06-24 | 2019-09-06 | 哈尔滨东安汽车发动机制造有限公司 | A kind of manual transmission vehicle shift quality assessment evaluation experimental devices and methods therefor |
| CN110887664A (en) * | 2019-12-04 | 2020-03-17 | 中国船舶工业系统工程研究院 | Method and device for establishing bearing fault identification model |
| CN111190029A (en) * | 2019-12-20 | 2020-05-22 | 福建福清核电有限公司 | System and method for cross comparison of steam-driven pump speed sensors of nuclear power plant |
| CN112211999A (en) * | 2020-09-03 | 2021-01-12 | 扎鲁特旗扎哈淖尔煤业有限公司 | Fault maintenance instrument for speed changing box of dump truck |
| CN112797157A (en) * | 2021-04-14 | 2021-05-14 | 盛瑞传动股份有限公司 | Gearbox fault diagnosis system and construction method and storage medium thereof |
| CN113175523A (en) * | 2021-04-20 | 2021-07-27 | 中国北方车辆研究所 | Oil level signal processing system and method for AT automatic transmission |
| CN113433930A (en) * | 2021-07-27 | 2021-09-24 | 北京博格华纳汽车传动器有限公司 | Safety control testing method and system for transfer case gear shifting controller |
| CN115235757A (en) * | 2022-09-25 | 2022-10-25 | 山东驰勤机械有限公司 | Gearbox body performance monitoring management system based on data processing |
| CN117367788A (en) * | 2023-12-08 | 2024-01-09 | 江苏梦天机电科技有限公司 | New forms of energy gearbox functional test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106774091A (en) * | 2017-01-19 | 2017-05-31 | 上海申赛机电控制技术有限公司 | Engineering truck state real-time radio TT＆C system |
| CN107066260A (en) * | 2017-03-08 | 2017-08-18 | 广州市富元电子有限公司 | A kind of open automatic gear-box testing process control engine |
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| CN107121281A (en) * | 2017-05-31 | 2017-09-01 | 安徽国防科技职业学院 | Gearbox emulation test system |
| CN107917791A (en) * | 2017-11-14 | 2018-04-17 | 中国北方车辆研究所 | Endless-track vehicle plays comprehensive actuator main shaft repeated impact test method in step gear shifting |
| CN107917791B (en) * | 2017-11-14 | 2019-09-10 | 中国北方车辆研究所 | Endless-track vehicle plays comprehensive actuator main shaft repeated impact test method in step gear shifting |
| CN109508179A (en) * | 2018-11-29 | 2019-03-22 | 中国北方车辆研究所 | A kind of automatic transmission caliberating device software architecture |
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| CN110208008A (en) * | 2019-06-24 | 2019-09-06 | 哈尔滨东安汽车发动机制造有限公司 | A kind of manual transmission vehicle shift quality assessment evaluation experimental devices and methods therefor |
| CN110887664B (en) * | 2019-12-04 | 2021-05-25 | 中国船舶工业系统工程研究院 | Method and device for establishing bearing fault identification model |
| CN110887664A (en) * | 2019-12-04 | 2020-03-17 | 中国船舶工业系统工程研究院 | Method and device for establishing bearing fault identification model |
| CN111190029A (en) * | 2019-12-20 | 2020-05-22 | 福建福清核电有限公司 | System and method for cross comparison of steam-driven pump speed sensors of nuclear power plant |
| CN112211999A (en) * | 2020-09-03 | 2021-01-12 | 扎鲁特旗扎哈淖尔煤业有限公司 | Fault maintenance instrument for speed changing box of dump truck |
| CN112211999B (en) * | 2020-09-03 | 2022-03-29 | 扎鲁特旗扎哈淖尔煤业有限公司 | Fault maintenance instrument for speed changing box of dump truck |
| CN112797157A (en) * | 2021-04-14 | 2021-05-14 | 盛瑞传动股份有限公司 | Gearbox fault diagnosis system and construction method and storage medium thereof |
| CN112797157B (en) * | 2021-04-14 | 2021-07-30 | 盛瑞传动股份有限公司 | Gearbox fault diagnosis system and construction method and storage medium thereof |
| CN113175523A (en) * | 2021-04-20 | 2021-07-27 | 中国北方车辆研究所 | Oil level signal processing system and method for AT automatic transmission |
| CN113433930A (en) * | 2021-07-27 | 2021-09-24 | 北京博格华纳汽车传动器有限公司 | Safety control testing method and system for transfer case gear shifting controller |
| CN115235757A (en) * | 2022-09-25 | 2022-10-25 | 山东驰勤机械有限公司 | Gearbox body performance monitoring management system based on data processing |
| CN115235757B (en) * | 2022-09-25 | 2022-12-13 | 山东驰勤机械有限公司 | Gearbox body performance monitoring management system based on data processing |
| CN117367788A (en) * | 2023-12-08 | 2024-01-09 | 江苏梦天机电科技有限公司 | New forms of energy gearbox functional test system |
| CN117367788B (en) * | 2023-12-08 | 2024-02-13 | 江苏梦天机电科技有限公司 | New forms of energy gearbox functional test system |
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Application publication date: 20160810 |