CN2837814Y - ABS performance tester - Google Patents
ABS performance tester Download PDFInfo
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- CN2837814Y CN2837814Y CN 200520129888 CN200520129888U CN2837814Y CN 2837814 Y CN2837814 Y CN 2837814Y CN 200520129888 CN200520129888 CN 200520129888 CN 200520129888 U CN200520129888 U CN 200520129888U CN 2837814 Y CN2837814 Y CN 2837814Y
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Abstract
一种ABS性能试验装置，包括液压单元、ABS阀体安放单元、数据采集分析单元以及控制单元；其中，所述液压单元包括至少一个油缸；ABS阀体安放单元至少包括一个进液口、一个出液口和一个电路接口；所述油缸通过油路与进液口连通，出液口通过与数据采集分析单元的输入端连接，控制单元的输入端与数据采集分析单元的输出端连接，控制单元的输出端与ABS阀体安放单元上的电路接口连接；数据采集分析单元至少包括一个传感器。该实验装置能够模仿ABS制动过程的真实情况，并能够准确地检测ABS系统的封闭特性、增压特性、减压特性以及响应频率，为ABS的研发及生产提供有力的帮助。
An ABS performance test device, comprising a hydraulic unit, an ABS valve body placement unit, a data acquisition and analysis unit, and a control unit; wherein, the hydraulic unit includes at least one oil cylinder; the ABS valve body placement unit includes at least one liquid inlet, one outlet The liquid port and a circuit interface; the oil cylinder communicates with the liquid inlet through the oil circuit, the liquid outlet is connected with the input end of the data acquisition and analysis unit, the input end of the control unit is connected with the output end of the data acquisition and analysis unit, and the control unit The output end of the ABS valve body is connected to the circuit interface on the unit; the data acquisition and analysis unit includes at least one sensor. The experimental device can simulate the real situation of the ABS braking process, and can accurately detect the sealing characteristics, boosting characteristics, decompression characteristics and response frequency of the ABS system, and provide powerful help for the development and production of ABS.
Description
Technical field
The utility model relates to a kind of performance test apparatus, especially relates to a kind of ABS performance test apparatus.
Background technology
The ABS performance test apparatus is the device that is used to test ABS anti-lock braking system performance.This test unit can simulating brake truth, approach the real vehicle braking as far as possible.
CN2708293Y discloses a kind of ABS performance test stand.This testing table is made up of motor, motor regulating device, motor speed sensor, powder clutch, inertial flywheel, speed reduction unit, data acquisition parts, computing machine, distillation regulator, wheel drag and automobile ABS system.During operation, the operator steps on brake pedal, wheel drag is implemented braking to wheel, wheel decelerates, computer monitoring is to the signal of wheel speed sensor, calculate and the required torque transmitted of definite powder clutch, regulate the torque of powder clutch, and determine the variation of vehicle complete vehicle speed according to wheel speed sensor signal and preset parameters by control rectifying and pressure-regulating device.Change the rotary speed setting value of buncher,, realize the simulation of automotive wheel and rotating speed by motor regulating device control motor speed.Though this ABS performance test stand structure can simulate automobile speed and wheel speed, also can simulate the braking procedure of automobile on various different attachment coefficients road surface of different quality, but, this device only can be measured vehicle wheel rotational speed, and can not accurately measure the various parameters of ABS internal system, for example sealing characteristics in the abs braking process, supercharging performance, decompression characteristic and frequency response.And say that for production firm's rice of ABS system research and development personnel or ABS system they press for a kind of device of the abs braking system performance that can accurately test research and development or produce, thereby, ABS provides reliable data for researching and developing, produce or improve.
The utility model content
The objective of the invention is to overcome the shortcoming that existing automobile ABS testing table can not accurately be measured ABS internal system parameter, a kind of new ABS performance test apparatus that can accurately measure the parameter of ABS internal system is provided.
The ABS performance test apparatus that the utility model provides comprises that hydraulic pressure unit, abs valve body lay unit, data collection and analysis unit and control module; Wherein, described hydraulic pressure unit comprises at least one oil cylinder; The abs valve body is laid the unit and is comprised an inlet, a liquid outlet and a circuit interface at least; Described oil cylinder is communicated with inlet by oil circuit, liquid outlet is connected with the input end of data collection and analysis unit, the input end of control module is connected with the output terminal of data collection and analysis unit, and the output terminal of control module is connected with the circuit interface that the abs valve body is laid on the unit; The data collection and analysis unit comprises a sensor at least.
The utility model can be copied four braking procedures of ABS system, be normal pressure braking procedure, pressurize braking procedure, booster brake process and decompression braking procedure, by the data that record are analyzed, finish the test of sealing characteristics, supercharging performance, decompression characteristic and the response frequency of abs valve body rapidly and accurately, the test result precision is higher, can provide strong help for research and development and the production of ABS.And ABS described in the utility model forms proving installation and needn't use motor and oil pump, thereby saved material and power consumption, can reduce cost to a great extent.
Description of drawings
Fig. 1 is the structural representation of the ABS performance test apparatus that provides of the utility model;
Fig. 2 is the structural representation of the hydraulic pressure unit that provides of the utility model;
Fig. 3 is the structural representation that abs valve body that the utility model provides is laid the unit;
Fig. 4 is the structural representation of the data collection and analysis unit that provides of the utility model;
Fig. 5 is a structural representation of preferably implementing selected tested abs valve body according to the utility model;
Fig. 6 is the ABS performance test apparatus according to the utility model preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further details.
Fig. 1 is the structural representation according to ABS performance testing device of the present utility model.As shown in Figure 1, ABS performance testing device of the present utility model comprises that hydraulic pressure unit 100, abs valve body lay unit 200, data collection and analysis unit 300 and control module 400; Wherein, described hydraulic pressure unit 100 comprises at least one oil cylinder 1; The abs valve body is laid unit 200 and is comprised an inlet 2, a liquid outlet 3 and a circuit interface 4 at least; Data collection and analysis unit 300 comprises a sensor 5 at least; Described oil cylinder 1 is communicated with described inlet 2 by oil circuit, provide hydraulic pressure for being placed in the tested abs valve body that the abs valve body lays in the unit 200, described liquid outlet 3 is connected with the input end of data collection and analysis unit 300, thereby the hydraulic pressure in the tested abs valve body can be gathered and analyze in data collection and analysis unit 300.The input end of control module 400 is connected with the output terminal of data collection and analysis unit 300, reception comes from the pressure data of data collection and analysis unit 300, the output terminal of control module 400 is connected with the circuit interface 4 that the abs valve body is laid on the unit 200, thereby realizes the control to tested abs valve body.
Fig. 2 is the structural representation according to the hydraulic pressure unit of the utility model preferred embodiment.As shown in Figure 2, described hydraulic pressure unit can also comprise the driving mechanism that drives cylinder action except comprising an oil cylinder at least.
According to preferred embodiment of the present utility model, described driving mechanism is a pneumatic shuttle, this pneumatic shuttle comprises source of the gas 101, the pressure valve 102 that is connected with source of the gas 101 outlets, air valve 103 that is connected with pressure valve 102 outlets and the cylinder 104 that is connected with air valve 103 outlets, and cylinder 104 is connected with described oil cylinder 105 by connecting rod.During action, source of the gas 101 provides power by pressure valve 102 and air valve 103 for described cylinder 104, and described cylinder 104 promotes described oil cylinder 105 by connecting rod, thereby realizes the driving to described oil cylinder 105.Described source of the gas 101, pressure valve 102, air valve 103, cylinder 104 can be any available devices well known to those skilled in the art.Under the preferable case, described air valve 103 uses electronic two-position five-way air valve, the electric interfaces of described electronic two-position five-way air valve is connected with described control module 400, and under the control of control module 400, switch on, cut off the power supply, thereby this air valve 103 is constantly opened, is closed, make cylinder 104 constantly promote oil cylinder 105 actions, thereby make the abs valve body of tested person constantly start.
In addition,, can also be connected with pressure indicator 106, be used for showing the air pressure of pressure valve 102 outputs to the tester in the outlet of described pressure valve 102 according to preferred embodiment of the present utility model.Side (as shown in the figure) at oil cylinder 105 can also be connected with liquor storage device 107, is used to described oil cylinder 105 that liquid is provided.As mentioned above, the outlet of oil cylinder 105 is laid unit 200 by oil circuit and abs valve body and is connected.Under the preferable case, on oil circuit, be connected with retaining valve 108, to guarantee that liquid flows to from oil cylinder 105 that the abs valve body is laid unit 200 and can reversed flow.
Next, we will introduce the abs valve body in detail and lay unit 200.
As mentioned above, the abs valve body is laid unit 200 and is comprised inlet of two oil circuit interfaces, a liquid outlet and a circuit interface at least.Described inlet is used to receive the liquid that comes from described hydraulic pressure unit 100, received liquid arrives described liquid outlet through the internal oil passages of tested abs valve body, and (this will be described in detail below) gathered and analyzed in the data collection and analysis unit to the hydraulic pressure of described liquid outlet then.Because general more than one of inlet on the tested abs valve body and liquid outlet, therefore the inlet laid on the unit of described abs valve body can be a plurality of, and same, described liquid outlet also can be a plurality of.Their quantity corresponds respectively to the quantity of inlet and liquid outlet on the tested abs valve body.Described circuit interface is used to connect the circuit (this will be described in detail below) of control module 400 and tested abs valve body inside, and it can be positioned at any position that described abs valve body is laid unit 200.
Fig. 3 has shown that exemplarily the abs valve body with two inlets and four liquid outlets lays the block diagram of unit 200.
Among the figure, described abs valve body is laid abs valve body interface unit 202 and the hold-down mechanism 203 that unit 200 comprises abs valve body emplacing platform 201, has inlet and liquid outlet.Wherein, described abs valve body emplacing platform 201 can be the smooth steel plate or the surface plate of other materials, above tested abs valve body can being placed on reposefully.Have two inlets and four liquid outlets on the abs valve body interface unit 202 shown in the figure, the position of the inlet on the position of two inlets on the wherein said abs valve body interface unit 202 and the tested abs valve body is corresponding and contact with two inlet fluid-tight engagement on the tested abs valve body respectively, the position of four liquid outlets on the described abs valve body interface unit 202 respectively with tested abs valve body on left front liquid outlet, left back liquid outlet, (these four liquid outlets correspond respectively to the near front wheel on the vehicle for right front liquid outlet and right back liquid outlet, left rear wheel, off-front wheel and off hind wheel) corresponding, and with these four the liquid outlet fluid-tight engagement on the tested abs valve body, and words if necessary, can between the inlet (or liquid outlet) on the inlet (or liquid outlet) on the abs valve body interface unit 202 and their the pairing tested abs valve bodies, take seal approach, for example can add airtight rubber ring or add Seal Oil.Above description be exemplary but not make qualification this use is novel, for example, when the inlet on the tested abs valve body was four, the inlet on the described abs valve body interface unit 202 also should be four.In addition, according to preferred embodiment of the present utility model, described abs valve body mechanism parts 202 are hydraulic manifold blocks, the derby that in fact described hydraulic manifold block will have each inlet and a liquid outlet is integrated together formation by bolt is parallel, it couples together each pipeline, and being connected with tested abs valve body does not fast simultaneously need to use pipeline again.In addition, hold-down mechanism 203 is also very important for fixing tested abs valve body, described hold-down mechanism B3 can be known people of those skilled in that art and available hold down gag (for example elastic compression mechanism), according to preferred embodiment of the present utility model, adopted rotating handwheel as hold-down mechanism, it can be fixed tested abs valve body easily.
Still according to shown in Figure 3, lay on the unit 200 at described abs valve body circuit interface is installed, because described circuit interface can be positioned at any position that the abs valve body is laid the unit, therefore a certain in the drawings particular location does not illustrate this circuit interface.Described circuit interface is a simple circuit board, its function only be receive come from the signal of control power supply 400 and with the signal allocation that receives to the solenoid valve in the tested abs valve body.Because this circuit interface structure is very simple, can realize at an easy rate those skilled in the art, therefore will no longer introduce to detail the structure of described circuit interface here.In some cases, tested abs valve body itself is just installed the interface of promising solenoid valve distributing signal, therefore can design new interface circuit in this case, and the output terminal of control module 400 and the circuit interface on the tested abs valve body directly can be coupled together.
Fig. 4 is the structural drawing according to data collection and analysis of the present utility model unit 300.Among the figure, described data collection and analysis unit comprises sensor 301 at least.Described sensor 301 can be the sensor that physical quantity that any energy is surveyed this sensor is converted into pressure, as the flow rate of liquid sensor.Yet according to preferred embodiment of the present utility model, the hydraulic pressure transducer of hydraulic pressure in the oil circuit can be directly responded in employing, conversion relation that so just can any complexity and directly record hydraulic pressure in the oil line pipe.In addition, according to the test-types of hydraulic pressure transducer, described hydraulic pressure transducer 301 can be mechanical type, electronic type or photo-electric.Complexity according to hydraulic pressure transducer also can be divided into polytype.For example, some complicated sensor not only can be responded to the physical quantity that will measure, and the physical quantity that records can be converted into digital quantity and the result that will record shows on display device with figure, numeral or alternate manner, therefore in this case, the output terminal of described sensor does not need to connect any other and installs collection and the analysis that just can finish data, and the input end of described data collection and analysis unit 300 is exactly the input end of sensor 301, and correspondingly, its output terminal is the output terminal of sensor 301 just.Though and the hydraulic pressure transducer of some kind itself does not have data analysis set-up and display device, but be integrated with the device that physical quantity is converted into digital quantity, and has the interface that can directly link to each other with the external device (ED) computing machine, for example RS232 and/or RS485, to analyze data, output terminal at described sensor 301 also needs to connect data analysis set-up 303, the computing machine of data analysis Control Software for example is housed, therefore the input end of described in this case data collection and analysis unit 300 remains sensor 301, but the output terminal that described data collection and analysis unit 300 is connected with control module 400 is exactly the output interface of analytical equipment 303.The collection of described analysis and Control software control data and analysis, and according to the content measurement that the user sets control module 400 is controlled.According to preferred embodiment of the present utility model, comparatively simple and the comparatively cheap hydraulic pressure transducer 301 of cost have been adopted, need be connected with data collector 302 at the output terminal of this sensor 301 in the test process, the physical quantity that is used for sensing is converted into the binary signal that data analysis set-up 303 can be discerned; Described data collector 302 can be by general-purpose interface, for example RS232 and/or RS485, and the external data harvester that is connected with data analysis set-up 303 also can be the data collecting card that can be inserted on data analysis set-up 303 internal slots.The output terminal of described data collector 302 is connected with data analysis set-up 303, and described analytical equipment 303 generally is the computing machine that the test Control Software is housed.This computing machine not only can be analyzed the data that collect, and can implement control to control module 400, make control module according to the data that collect to the unlatching of tested abs valve body and air valve 103, close and control.Therefore, according to the utility model preferred embodiment, the output terminal of described data collection and analysis unit 300 can be the output terminal of data collector 302 or the output interface of data analysis set-up 303.
Figure 6 shows that the inner structure synoptic diagram of tested abs valve body,, will help understanding of the present utility model its introduction though this is not a content of the present utility model.
In Fig. 6, selected to have four inlets, the abs valve body of four liquid outlets and eight solenoid valves explains the content relevant with the utility model as representative.Described four liquid outlets correspond respectively to four wheels (being the near front wheel, left rear wheel, off-front wheel, off hind wheel) of vehicle, and per two cooperations in eight solenoid valves are controlled the hydraulic pressure of each hydraulic pressure outlet.Flow out via the liquid of described retaining valve 108 from described oil cylinder 105 and to enter tested abs valve body inside from the inlet of abs valve body, move to four hydraulic pressure outlets of abs valve body through tested abs valve body internal pipeline, eight solenoid valves in the abs valve body are controlled the strength of current in the solenoid on each solenoid valve under the control of control module 400, control electromagnetic valve is opened and closed degree, regulate the pressure of each hydraulic pressure outlet, thereby realize control, that is to say the adjusting of realization wheel braking force to wheel pressure.
Fig. 7 has shown the general system diagram according to the ABS performance testing device of the utility model preferred embodiment.Among the figure, only shown a part of device in the described hydraulic pressure unit 100, i.e. cylinder 104 and oil cylinder 105, and omitted other device.The inlet that the abs valve body is laid on the unit 200 among the figure has only shown two, and two other does not show, and described four liquid outlets are respectively to be expressed as left frontly to go out, left backly to go out, right frontly go out with right back.On these four liquid outlets, be connected with exhaust apparatus 204 respectively, be used for the air in the whole test system oil line pipe is discharged, prevent the influence of residual gas to test result, because when discharging residual gas, also can discharge more ducted hydraulic oil, therefore described exhaust apparatus 204 connects an end of liquor storage device 107, and the other end of described liquor storage device 107 is connected on the described oil cylinder 105.Be connected with pressure transducer 301 on each liquid outlet, described pressure transducer is pooled to the data of sensing in the data collector 302, is connected with data analysis set-up 303 at the output terminal of described data collector 302.According to the utility model preferred implementation, described control module 400 (single-chip microcomputer or DSP) is connected on the described data analysis set-up 303 (computer), receives the measurement data and the control data that come from this data analysis set-up 303.And described control module 400 connects described abs valve body respectively and lays circuit interface and described air valve 103 on the unit 200.
In the test process, the abs valve body of at first tested abs valve body being packed into is laid the unit.In the process of tested abs valve body of packing into, at first tested abs valve body is placed on the described abs valve body emplacing platform 201, make the inlet of tested abs valve body and liquid outlet respectively with described abs valve body interface unit B2 on inlet and liquid outlet fluid-tight engagement, make does not have gas to exist as far as possible between them, if necessary, need to adopt the Seal Oil measure, for example use airtight rubber ring or Seal Oil to seal.Start described hold-down mechanism 203 (for example rotating handwheel) then, the abs valve body tightly is fixed on the abs valve body lays on the unit 200, make tested abs valve body in test process, keep stable.
Tested abs valve body is installed and fixed according to above-mentioned steps and according to shown in Figure 7 oil line pipe and electronic circuit are connected after, described source of the gas 101 (not shown) provide air pressure by pressure valve 102 (not shown) and air valve 103 (not shown) to described cylinder 104, and cylinder 104 promotes fluid cylinder 105 by connecting rod enters in the tested abs valve body liquid by the inlet on retaining valve 108 and the abs valve body interface unit 102.Under the control of control module 400, described air valve 103 is opened repeatedly, is closed, tested like this abs valve body starts repeatedly by the exhaust apparatus 204 that is connected in described interface unit 102 liquid outlets discharges the air in the system, makes the total system build-up pressure, thereby prepares for testing.
The hydraulic pressure of the liquid outlet on the pressure transducer 301 induction abs valve body interface units 202, and send the physical quantity of sensing to data collector 302, described data collector 302 is converted into the physical quantity that receives the binary data that computing machine can discern and sends data analysis set-up 303 respectively to, described data analysis set-up 303 sends instruction according to these data that receive to control module 400, control module 400 is controlled tested abs valve body and air valve 103 according to the instruction that receives, thereby constantly regulate tested abs valve body to the damping force that wheel applied, prevent the complete locking of wheel.
In whole test process, the work that is installed only needs tested abs valve body device test position, rotates the handwheel location and compresses.The testing software of valve body performance is the whole robotizations of whole test process, greatly reduces operation easier, has reduced artificial factor.
Above description just the utility model is made explanations rather than limits of the present utility modelly, modification and variation that any those skilled in that art make without creative work according to the utility model are included within the protection domain of the present utility model.
Claims (20)
1. ABS performance test apparatus comprises that hydraulic pressure unit, abs valve body lay unit, data collection and analysis unit and control module; Wherein, described hydraulic pressure unit comprises at least one oil cylinder; The abs valve body is laid the unit and is comprised an inlet, a liquid outlet and a circuit interface at least; Described oil cylinder is communicated with inlet by oil circuit, liquid outlet is connected with the input end of data collection and analysis unit, the input end of control module is connected with the output terminal of data collection and analysis unit, and the output terminal of control module is connected with the circuit interface that the abs valve body is laid on the unit; The data collection and analysis unit comprises a sensor at least.
2. test unit according to claim 1, wherein, described hydraulic pressure unit also comprises the driving mechanism that drives oil cylinder.
3. test unit according to claim 2, wherein, driving mechanism is a pneumatic shuttle, this pneumatic shuttle comprises source of the gas, pressure valve, air valve and cylinder; Source of the gas, pressure valve, air valve and cylinder are connected successively, and cylinder is connected air valve by connecting rod with described oil cylinder.
4. test unit according to claim 3, wherein, described driving mechanism further comprises liquor storage device that is connected with described oil cylinder and the pressure indicator that is connected with described pressure valve outlet.
5. test unit according to claim 3, wherein, described air valve is electronic two-position five-way air valve, the electric interfaces of described air valve is connected with described control module.
6. test unit according to claim 1, wherein, described abs valve body is laid the unit and is comprised abs valve body interface unit, and described inlet and liquid outlet are on described abs valve body interface unit.
7. test unit according to claim 6, wherein, described abs valve body interface unit is a hydraulic manifold block.
8. test unit according to claim 6, wherein, described inlet is a plurality of.
9. test unit according to claim 1 wherein, also comprises retaining valve in the oil circuit that connects oil cylinder and inlet.
10. test unit according to claim 6, wherein, described liquid outlet is a plurality of.
11. test unit according to claim 10, wherein, this device also comprises exhaust apparatus, and each liquid outlet all is connected with exhaust apparatus.
12. test unit according to claim 1, wherein, described abs valve body is laid the unit and is further comprised abs valve body emplacing platform.
13. test unit according to claim 1, wherein, described abs valve body is laid the unit and is further comprised hold-down mechanism.
14. test unit according to claim 13, wherein, described hold-down mechanism is rotating handwheel.
15. test unit according to claim 1, wherein, described sensor is a hydraulic pressure transducer.
16. test unit according to claim 15, wherein, the quantity of described hydraulic pressure transducer is corresponding to the quantity of liquid outlet.
17. test unit according to claim 1, wherein, described data collection and analysis unit can further comprise data collector and data analysis set-up, the input end of described data collector is connected with the output terminal of described hydraulic pressure transducer, and output terminal is connected with the input end of described data analysis set-up.
18. test unit according to claim 17, wherein, described data collector is a data collecting card.
19. test unit according to claim 17, wherein, described data analysis set-up is a computing machine.
20. test unit according to claim 1, wherein, described control module is single-chip microcomputer or digital signal processing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520129888 CN2837814Y (en) | 2005-10-20 | 2005-10-20 | ABS performance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520129888 CN2837814Y (en) | 2005-10-20 | 2005-10-20 | ABS performance tester |
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| CN2837814Y true CN2837814Y (en) | 2006-11-15 |
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| CN 200520129888 Expired - Lifetime CN2837814Y (en) | 2005-10-20 | 2005-10-20 | ABS performance tester |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033369A (en) * | 2011-09-30 | 2013-04-10 | 万向钱潮（上海）汽车系统有限公司 | Anti-locked braking system (ABS)/electronic stability program (ESP) durability test method |
| CN103033368A (en) * | 2011-09-30 | 2013-04-10 | 万向钱潮（上海）汽车系统有限公司 | Anti-locked braking system (ABS)/electronic stability program (ESP) durability test device |
| CN103443608A (en) * | 2011-03-22 | 2013-12-11 | 丰田自动车株式会社 | Vehicle data analysis apparatus, vehicle data analysis method, and defect diagnosis apparatus |
| CN104527625A (en) * | 2014-12-29 | 2015-04-22 | 芜湖伯特利汽车安全系统有限公司 | ABS and method for conducting driving brake pipeline failure test through ABS |
| CN104527627A (en) * | 2014-12-29 | 2015-04-22 | 芜湖伯特利汽车安全系统有限公司 | Anti-lock system and method for conducting pipeline failure test on anti-lock system |
| CN106289755A (en) * | 2016-10-14 | 2017-01-04 | 芜湖全程智能科技有限公司 | A kind of ABS electromagnetism valve test device detent mechanism |
| CN107244317A (en) * | 2017-06-22 | 2017-10-13 | 武汉元丰汽车电控系统有限公司 | A kind of device for being used to detect braking ability |
-
2005
- 2005-10-20 CN CN 200520129888 patent/CN2837814Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103443608A (en) * | 2011-03-22 | 2013-12-11 | 丰田自动车株式会社 | Vehicle data analysis apparatus, vehicle data analysis method, and defect diagnosis apparatus |
| CN103443608B (en) * | 2011-03-22 | 2017-04-12 | 丰田自动车株式会社 | Vehicle data analysis apparatus, vehicle data analysis method, and defect diagnosis apparatus |
| CN103033369A (en) * | 2011-09-30 | 2013-04-10 | 万向钱潮（上海）汽车系统有限公司 | Anti-locked braking system (ABS)/electronic stability program (ESP) durability test method |
| CN103033368A (en) * | 2011-09-30 | 2013-04-10 | 万向钱潮（上海）汽车系统有限公司 | Anti-locked braking system (ABS)/electronic stability program (ESP) durability test device |
| CN104527625A (en) * | 2014-12-29 | 2015-04-22 | 芜湖伯特利汽车安全系统有限公司 | ABS and method for conducting driving brake pipeline failure test through ABS |
| CN104527627A (en) * | 2014-12-29 | 2015-04-22 | 芜湖伯特利汽车安全系统有限公司 | Anti-lock system and method for conducting pipeline failure test on anti-lock system |
| CN106289755A (en) * | 2016-10-14 | 2017-01-04 | 芜湖全程智能科技有限公司 | A kind of ABS electromagnetism valve test device detent mechanism |
| CN107244317A (en) * | 2017-06-22 | 2017-10-13 | 武汉元丰汽车电控系统有限公司 | A kind of device for being used to detect braking ability |
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