CN1301340A - Portable roller dynamometer and vehicle testing method - Google Patents
Portable roller dynamometer and vehicle testing method Download PDFInfo
- Publication number
- CN1301340A CN1301340A CN 99806302 CN99806302A CN1301340A CN 1301340 A CN1301340 A CN 1301340A CN 99806302 CN99806302 CN 99806302 CN 99806302 A CN99806302 A CN 99806302A CN 1301340 A CN1301340 A CN 1301340A
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- dynamometer
- roller
- vehicle
- support
- control
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
-
- 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
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
-
- 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
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0076—Two-wheeled vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A roller dynamometer is provided, having at least one supporting carriage having a rotatable roller and a dynamometer linked to the roller for measuring torque output of a vehicle. The carriages are rollable on a substrate for positioning under a vehicle. In one aspect, multiple dynamometer and roller units are provided, for engagement with multiple vehicle wheels, with the units being linked electrically for common control by a control unit that simulates either straight line or curved driving conditions. In a further aspect, the dynamometer is supported on the carriage by a rotary mount. In a further aspect, the rollers have a generally hourglass shape to permit vehicle wheel self-centering.
Description
The invention technical field
The present invention relates to a kind of dynamometer and method of testing, it is used to simulate road conditions, is used to test the vehicle that has two driving wheels at least, particularly relates to a kind of dynamometer with the roller that engages with wheel, and it is quite compact, cost is low and can be portable.In addition, the present invention relates to a kind of apparatus and method that allow to simulate straight line and crooked transport condition.The present invention also goes for having the vehicle use of single driving wheel such as motorcycle.
Background of the present invention
If the simulating vehicle road conditions will help emission test and vehicle maintenance effectively.This can arrange usually and realize that described roller is effectively connected on the dynamometer to be used for that the load of control is acted on roller by means of the roller that contacts with the vehicle wheel.The amount of load will be roller rotating speed (i.e. Mo Ni the speed of a motor vehicle), simulation and friction loss really and the function of representing the polynomial equation of particular vehicle windage.Two aspects of dynamometer simulating vehicle performance, i.e. inertia and resistance.Inertia is arranged by the equivalent of the rotating mass of the weight of vehicle and vehicle in this case.By dynamometer roller is applied resistance and come simulated resistance, its wheel velocity and air resistance coefficient by the reality of vehicle is arranged.Can provide inertia energy by means of the simulation of flywheel and other means.
Traditional roller test for motor vehicles generally includes one or more large rollers, has the single roller of crossing over a left side and right wheel.For example, disclosed device is that all are such all in United States Patent (USP) 3554023 (Geul), United States Patent (USP) 5154076 (Wilson et al) and United States Patent (USP) 5193386 (Hesse, Jr.Et al).Can know, a kind of test suite of unique driving wheel of the contact vehicle that is used for motorcycle can be provided.
Traditionally can be by providing the dynamometer resistance such as arrestment mechanisms such as motor, waterbrakes., also can adopt other resistance generation device and the present invention is not limited to the use of any specific clamping device.
Traditional proving installation based on dynamometer normally bigger, heavy and corresponding more expensive.This part is owing to the setting of the single roller that contacts with the left and right sidesing driving wheel of vehicle, and is promptly enough wide being used for all conventional truck in fact, and causes the layout of the roller of big weight.This shortcoming can solve by a kind of proving installation is provided, and a single whereby left side and right driving wheel of vehicle are connected on the corresponding dynamometer respectively and independently.So independent dynamometer assembly is not mechanically connected, but only is electrically connected by controller.Can be provided with then that independent dynamometer is communicated with common control device so that the simulation load between driving wheel of vehicle equates.This is provided with load that does not wait and the wheel velocity that also allows between independent device, with simulation travelling around the curve vehicle.
The present invention's general introduction
The purpose of this invention is to provide a kind of improved roller dynamometer and be used to simulate the method for testing of road conditions with testing vehicle.
Further purpose of the present invention provides a kind of roller dynamometer, it comprises a plurality ofly not having mechanical connection each other to be used for the dynamometer assembly of common rotational motion, each dynamometer assembly contacts with independent wheel, has the effective width of the roller dynamometer that can change by the distance that changes between single assembly.
Another object of the present invention provides a kind of roller dynamometer, and it can be used for any traditional vehicle, and the ability with simulation straight line or curve form state.
Another purpose of the present invention provides light relatively and the dynamometer that can be portable of a kind of weight, and it can be transported to testing location easily.
According to above-mentioned purpose, the present invention comprises a kind of roller dynamometer vehicle testing assembly on the one hand, is used for comprising having the vehicle simulation road conditions of two driving wheels at least:
First and second roller brackets;
Frame support means is used at least one at described first and second supports of pedestal upper support, described whereby at least one support can with respect to the described lateral direction of car on described pedestal move;
Do not have first and second rollers of mechanical connection each other, be pivotally mounted on the support separately, be used for supporting and rotatably contacting corresponding wheel of vehicle;
First and second dynamometers (generally including motor), each dynamometer has speed and moment of torsion induction installation and joins on the corresponding roller to be used to apply the corresponding roller of loading, whereby can with vehicle that described device contacts on simulate road conditions.
Frame support means, it preferably includes the roller means such as linear bearing, allows independently laterally the moving of support (with respect to vehicle).This will permit when vehicle uses, the spacing of support regulate with adapt to different vehicle (allowing the use of compacter roller relatively) and the roller on wheel of vehicle from centering.
Described each roller has a step part at each described opposed end, is used as wheel stopper or flywheel.
Described device also further comprises a rotation fabricated section that is used at least one dynamometer is installed to corresponding described support, is used to limit rotatablely moving with respect to described support.
Described rotation fabricated section preferably includes first and second concentric elements, and they are connected with support relative to each other to rotate with described dynamometer respectively.
In a scheme, dynamometer is connected with a controller, and described controller receives the information of wheel velocity and moment of torsion from each described dynamometer.The torque control device that controller comprises the treating apparatus that is used for the speed discrepancy of comparison between described first and second dynamometers and is used to control the moment of torsion that is applied by at least one described dynamometer equates with the rotational speed separately that makes described roller basically.
With respect to a dynamometer that rotates more slowly, described control device indicates the dynamometer of very fast rotational speed to apply the roller of a bigger power absorption to very fast rotation.
Controller comprises whole power absorption calculation elements, whole absorbed powers that wherein will be in the middle of all dynamometers as the speed of vehicle mass, each roller and acceleration and with the function calculation of the correlation of the aerodynamic force of vehicle and friction loss and the loss within dynamometer.
In a scheme, the control that torque control device further allows one or two dynamometer is simulated crooked transport condition with the controlled unequal rotational speed of using on the roller separately.
In another scheme, the present invention includes a kind of roller dynamometer vehicle testing assembly, be used for the road conditions of simulating vehicle, comprising:
At least one is pivotally mounted to roller on the framework, is used for supporting and contacting wheel of vehicle rotationally;
One joins the dynamometer of described at least one roller to, be used for a load is applied to roller, whereby with vehicle that described device engages on simulate road conditions;
One rotating fabricated section is used for described dynamometer is joined on the described framework being used for rotatablely moving of described relatively support, and described rotation fabricated section comprises the first and second concentric elements that join to respectively on described dynamometer and the support.
Rotating fabricated section can have above-mentioned characteristics expediently.In addition, this device is provided with expediently and is used for and the contacted roller of the driving wheel of testing vehicle.
In yet another aspect, the present invention includes a kind of roller dynamometer vehicle testing assembly, be used for the vehicle that has two driving wheels is at least simulated road conditions, comprising:
The first and second roller dynamometer assemblies, be used for independently engaging with the corresponding driving wheel, each described roller dynamometer assembly comprises that at least one joins the roller on the corresponding dynamometer to, the described first and second dynamometer assemblies be used for relative to each other independently rotation and each have rotating speed and moment of torsion sniffer and device for power absorption, and
One is used for receiving from described dynamometer the control device of rotating speed and torque information, and has a logical circuit to be used for comparison and to measure any velocity contrast between described dynamometer and control at least one described dynamometer to respond described velocity contrast.
Described logical circuit controller is controlled the device for power absorption of described first and second dynamometers to realize straight line or crooked simulation of travelling.
Described controller comprises whole power absorption calculation elements, whole absorbed powers that wherein will be in the middle of all dynamometers as the speed of vehicle mass, each roller and acceleration and with the function calculation of the correlation of the aerodynamic force of vehicle and friction loss and the loss within dynamometer.
On the other hand, a kind of travel method of road conditions of simulating vehicle that is used for comprises the following steps:
The first and second roller dynamometer assemblies are provided, and each assembly has moment of torsion and speed probe and one and is used for from the controller of each dynamometer assembly inbound pacing and torque information and the resistance that applied of control independently;
Described at least two driving wheels are supported on the corresponding first and second roller dynamometer assemblies;
Drive driving wheel with described thermometrically;
Measure the speed and the moment of torsion of two driving wheels independently; And
Control at least one independently, preferred two roller dynamometer assemblies to be to control its rotating speed.
Also comprise step:, wherein will calculate as the speed of vehicle mass, each roller and acceleration and with the function of the correlation of the aerodynamic force of vehicle and friction loss and the loss within dynamometer at the whole absorbed powers in the middle of all dynamometers with whole power outputs of the algorithm measurement vehicle that calculates whole dynamometer power absorption.
Roller in above-mentioned arbitrary apparatus and method has the shape that is generally hourglass, be used for described wheel of vehicle from centering.
By the detailed description and the explanation of preferred embodiment, below with present invention is described.
The drawing explanation
Fig. 1 is the planimetric map of one embodiment of the invention;
Fig. 2 is the side view of the part of the device among Fig. 1;
Fig. 2 a is the end-view of Fig. 1;
Fig. 3 is the planimetric map of the single roller means used of the present invention;
Fig. 4 is the planimetric map of the embodiment of roller bracket;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the skeleton view of device in use;
Fig. 7 is the block diagram that shows the present invention's operation;
The similar in the accompanying drawings similar parts of mark representative.
Detailed description of preferred embodiment
With reference to figure 1 and Fig. 2, device 10 comprises the first and second identical supports 24, has shown one of them here.In use, when vehicle and means for engaging are tested, support separately be positioned at a left side and right wheel below.Support supports single roller respectively, and is as described below, be used for engaging with wheel, and dynamometer matches with roller.Support is usually located on the crust 15 level and smooth, level.By with the roller means of each support associated, for example arrange bearing and arranged for 30 (in Fig. 2, showing) at the low lip-deep linear bearing of support, each support can be moved by laterally (with respect to vehicle).Roller means further also allows support laterally to roll in support vehicle, so as can to carry out the support roller from centering.
With reference now to Fig. 3-5,, each support 24 comprises the stand frame 32 that is generally rectangle, this stand frame 32 comprises side frame element 34 and end frame element 36, and stand frame integral body is divided equally open to form first and second rectangle support part 32a and the 32b by paired horizontal frame element 40 and 42.The first holder part 32a support rollers, as described below, the second holder part 32b supports dynamometer, and is as described below.The end of the first holder part 32a and horizontal frame element 36 and 40 support a pair of neck bush 50 respectively to be used for support rollers 54 rotationally.Roller Shaft 56 quilts related with each roller axle journal rotationally are supported among the neck bush.The end of the second holder part 32b and lateral direction element 36 and 42 support dynamometer fabricated section 60, so that rotationally dynamometer 46 is installed on the support.Below with detailed dynamometer and fabricated section.The first holder part 32A supports and is used to support and the rotatable a pair of roller separately 54 in parallel orientation that engages with the driving wheel of vehicle.
On the one hand, in a pair of roller 54 engages with dynamometer.Another roller freely rotates.So independent dynamometer of each stent support, this dynamometer comprise the power absorption device (" PCU ") that links to each other with the single unit vehicle driving wheel.As can be seen, by improving, the size of roller can be contained in truck and the commercial car to find the paired driving wheel of type.
Each dynamometer fabricated section 60 comprises the dish 62 that is installed on the holder part 32b, is used for engaging with the respective end portions surface 64 of dynamometer 46.The ring shooting of bearing bridge 66 is fixed to the corresponding end surface 64 of dynamometer, and engages with shaft collar rotationally, and this shaft collar has the concave edges 68 that comprises bearing race.
The strainmeter retainer comprises respectively first and second arms 70,72 that stretch out from dynamometer and support element 32b.Strainmeter 74 joins with separately arm and limits rotation with respect to the dynamometer of support.Strainmeter comprises a transducer that is used for the torque axis between dynamometer and support is changed into current signal.
In another embodiment, as shown in Figure 3 and Figure 4, support 24 comprises that respectively the frame element 80 of rectangular shape is to be used for support rollers.Dynamometer support component 82 comprises that one outwards is generally tabular element away from what stretched out at the device center from horizontal frame element.Each dynamometer supports has a upwardly extending axle sleeve 84, to be used for connecting rotationally and supporting dynamometer 86.Each roller 54 removably engages with corresponding dynamometer by dismountable shaft coupling 90.One unshowned is connected to strainmeter that dynamometer supports with dynamometer and limits the rotation of each dynamometer and allow acting on the accurate measurement of the rotating force on the dynamometer.
With reference to the concrete roller 54 that shows in Fig. 5, each roller comprises a step part that makes progress 66 on each end separately, and it is used as flywheel and takes turns stopper to reduce the danger that wheel separates with roller.
Each roller 54 has the shape that is generally hourglass, and comprises a medial axis, have with respect to the longitudinal axis of roller with about 170 ° to about 179 ° a 59 ' rolling body that angle is told from the mid point of medial axis usually.
Found this be furnished be beneficial to accurate location and strengthen wheel on roller from centering, and avoid the tire inordinate wear.Corresponding to regulating from laterally moving by rolling of the support on pedestal is mobile of centering motion.
Fig. 6 has shown the setting of the device 10 under preceding (driving) wheel of vehicle 100 (dotting).Shown in layout in, the vehicle in test is the vehicle of front-wheel drive.By change or reorientate this device and/or be provided for cooperating with driving wheel of vehicle accordingly attachment device, this device can be applicable to motorcycle and other single wheel vehicle, rear wheel drive vehicle or four-wheel drive vehicle easily, or other drive form.
Each dynamometer comprises a rotation-speed measuring device, and for example internal optics reader (with reference to hereinafter) is used for the measurement of the turned position of dynamometer axle.The optical pickup data are sent in the central processing unit described below, and it calculates the velocity of rotation and the corresponding roller of dynamometer.
Each dynamometer is connected to a central control unit 200, and is described by Fig. 7 now.The load that control device allows a single left side and right dynamometer to apply and equates is basically given corresponding wheel, with simulation straight-line travelling state.In addition, can also apply an in check unequal load with simulation travelling around the vehicle of curve.
The signal that can comprise amplitude and changeable frequency from the electric signal of the sensor 202 that links to each other with strainmeter 74.These signals are sent to controller with the signal from optical position reader 204.Controller receives respectively from the speed of each corresponding roller means and torque information.In the simulation of straight-line travelling, all rollers should be with identical speed rotation.Because do not have mechanical connection with conveying rotary motion between the roller means corresponding to vehicle side separately, the logic that produces by controller connects makes controller control sensor keep identical speed.Therefore controller comprises that a comparator circuit 206 is to estimate any velocity contrast between dynamometer separately.If detect velocity contrast, this information is transmitted to logical circuit 207, and this circuit 207 is controlled a left side and the right electromotor control circuit 208 that links to each other with each dynamometer again, and it increases or reduce the load by dynamometer applied separately again as required.
Logical circuit 207 comprises and can carry out power distribution algorithm with control dynamometer separately according to speed discrepancy.This control algolithm calculates relevant control signal, then more absorbed power can be switched on the roller of very fast rotation, by by the more load that corresponding dynamometer applied, so that it is slowed down.Be connected to the dynamometer that rotates more slowly on the roller and will be required to absorb less power, quicken to allow corresponding roller.Can will be calculated whole power absorbed in all rollers according to following parameters by the vehicle power output power logical circuit of software-driven:
A) quality of vehicle;
B) real-time rotation acceleration;
C) simulated velocity of rotation and rotating load, the latter is based on known vehicle aerodynamic force and friction loss factor;
D) friction loss within the quilt dynamometer that compensates; With
E) power of vehicle output.
The speed of a motor vehicle of display 212 display simulations, radius of turn and power output.
The embodiment that more than provides has illustrated the dynamometer of a motor types; Can use any suitable PAU as can be seen.
Further as can be seen, described the apparatus and method of the vehicle that is suitable for having at least two drive wheels, the present invention can also be suitable for having single drive wheels, for example use of the vehicle of motorcycle.
Although described the present invention by embodiment above, as can be seen under the situation that does not break away from spirit of the present invention and protection domain, can make amendment and change the present invention.
Claims (33)
1. roller dynamometer vehicle testing assembly is used for comprising having the vehicle simulation road conditions of two driving wheels at least:
First and second roller brackets;
Frame support means is used at least one at described first and second supports of pedestal upper support, described whereby at least one support can with respect to the described lateral direction of car on described pedestal move;
Support each support of a roller rotationally, be used for supporting independently and rotatably contact wheel of vehicle; With
Support each support of dynamometer, each dynamometer has speed and moment of torsion induction installation and joins on the corresponding roller to be used to apply the corresponding roller of loading, whereby can with vehicle that described device contacts on simulate road conditions.
2. device according to claim 1 is characterized in that: each described support has at least two isolated rotating rollers that are installed to the there that are parallel to each other, to be used for supporting rotationally and engaging wheel.
3. device according to claim 1 is characterized in that: described frame support means comprises roller means.
4. device according to claim 3 is characterized in that: described roller means comprises the arrangement that is installed in the linear bearing on described each support.
5. device according to claim 1 is characterized in that: each described support comprises frame support means.
6. device according to claim 1, it is characterized in that: described each roller comprises a right cylinder of elongation usually, this right cylinder has opposed end and zone line, described body has the shape that is generally hourglass, and zone line has the narrow waist with respect to the opposed end of described body whereby.
7. device according to claim 1, it is characterized in that: described each roller comprises a common right cylinder, this body has relative end and has a step part that makes progress at each described opposed end, and the diameter of described step part is greater than the diameter of the described roller of described part and then whereby.
8. device according to claim 7 is characterized in that: described step part comprises a flywheel.
9. device according to claim 1 is characterized in that: described each dynamometer comprises a motor.
10. device according to claim 1 is characterized in that: also comprise a rotation fabricated section that is used at least one dynamometer is installed to corresponding described support, be used to limit rotatablely moving with respect to described support.
11. device according to claim 10 is characterized in that: described rotation fabricated section comprises first and second concentric elements, and they are connected with support relative to each other to rotate with described dynamometer respectively.
12. device according to claim 11 is characterized in that: described first element comprises that a dish and described second element comprise the dish engagement device.
13. device according to claim 12 is characterized in that: described dish engagement device comprises a journal bearing arrangement.
14. device according to claim 1, it is characterized in that: described dynamometer is connected with a controller, described controller receives the information of wheel velocity and moment of torsion from each described dynamometer, and the torque control device that has the treating apparatus that is used for the speed discrepancy of comparison between described first and second dynamometers and be used to control the moment of torsion that is applied by at least one described dynamometer equates with the rotational speed separately that makes described roller basically.
15. device according to claim 14 is characterized in that: two described dynamometers of described torque control device control.
16. device according to claim 14 is characterized in that: with respect to a dynamometer that rotates more slowly, described control device indicates the dynamometer of very fast rotational speed to apply the roller of a bigger power absorption to very fast rotation.
17. device according to claim 14, it is characterized in that: described controller comprises whole power absorption calculation elements, whole absorbed powers that wherein will be in the middle of all dynamometers as the speed of vehicle mass, each roller and acceleration and with the function calculation of the correlation of the aerodynamic force of vehicle and friction loss and the loss within dynamometer.
18. device according to claim 14 is characterized in that: the control that described torque control device further allows described dynamometer is simulated crooked transport condition with the controlled unequal rotational speed of using on the roller separately.
19. a roller dynamometer vehicle testing assembly is used for the road conditions of simulating vehicle, comprising:
At least one is pivotally mounted to roller on the framework, is used for supporting and contacting wheel of vehicle rotationally;
One joins the dynamometer of described at least one roller to, be used for a load is applied to roller, whereby with vehicle that described device engages on simulate road conditions;
One rotating fabricated section is used for described dynamometer is joined on the described framework being used for rotatablely moving of described relatively support, and described rotation fabricated section comprises the first and second concentric elements that join to respectively on described dynamometer and the support.
20. device according to claim 19 is characterized in that: described first element comprises that a dish and described second element comprise the dish engagement device.
21. device according to claim 20 is characterized in that: described dish engagement device comprises a journal bearing arrangement.
22. device according to claim 19 is characterized in that: described at least one roller has the shape that is generally hourglass, be used for described wheel of vehicle from centering.
23. a roller dynamometer vehicle testing assembly is used for the vehicle that has two driving wheels is at least simulated road conditions, comprising:
The first and second roller dynamometer assemblies, each described roller dynamometer assembly comprises that at least one is used for the roller that contacts with the vehicle traction wheel and joins a corresponding dynamometer to, the described first and second dynamometer assemblies be used for relative to each other independently rotation and each have rotating speed and moment of torsion sniffer and device for power absorption; And
One is used for receiving from described dynamometer the control device of rotating speed and torque information, and has a logical circuit to be used for comparison and to measure any velocity contrast between described dynamometer and control at least one described dynamometer to respond described velocity contrast.
24. device according to claim 23 is characterized in that: the device for power absorption of described at least one dynamometer of described logical circuit controller control is to realize the simulation of straight-line travelling.
25. device according to claim 23 is characterized in that: the simulation of device for power absorption to realize that bending is travelled of described at least one dynamometer of described logical circuit controller control.
26. device according to claim 23 is characterized in that: described dynamometer comprises a motor.
27. device according to claim 23, it is characterized in that: described controller comprises whole power absorption calculation elements, whole absorbed powers that wherein will be in the middle of all dynamometers as the speed of vehicle mass, each roller and acceleration and with the function calculation of the correlation of the aerodynamic force of vehicle and friction loss and the loss within dynamometer.
28. device according to claim 23 is characterized in that: two described dynamometers of described control device control.
29. one kind is used for the travel method of road conditions of simulating vehicle, comprises the following steps:
A) provide the first and second roller dynamometer assemblies, each assembly has moment of torsion and speed probe and one and is used for from the controller of each dynamometer assembly inbound pacing and torque information and the resistance that applied of control independently;
B) vehicle with at least two driving wheels is tested;
C) described at least two driving wheels are supported on the corresponding first and second roller dynamometer assemblies:
D) drive described at least two driving wheels with described thermometrically;
E) measure the speed and the moment of torsion of described at least two driving wheels independently; And
F) control at least one described first and second roller dynamometer assembly independently to control its rotating speed with described controller.
30. method according to claim 29, it is characterized in that: also comprise step:, wherein will calculate as the speed of vehicle mass, each roller and acceleration and with the function of the correlation of the aerodynamic force of vehicle and friction loss and the loss within dynamometer at the whole absorbed powers in the middle of all dynamometers with whole power outputs of the algorithm measurement vehicle that calculates whole dynamometer power absorption.
31. the method according to claim 29 is characterized in that: the first and second dynamometer assemblies are controlled to simulate the straight-line travelling state.
32. the method according to claim 29 is characterized in that: the first and second dynamometer assemblies are controlled to simulate crooked transport condition.
33. the method according to claim 29 is characterized in that: two described dynamometers are controlled independently by described controller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2,238,624 | 1998-05-20 | ||
| CA 2238624 CA2238624C (en) | 1997-05-21 | 1998-05-20 | Portable roller dynamometer and vehicle testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1301340A true CN1301340A (en) | 2001-06-27 |
| CN1188685C CN1188685C (en) | 2005-02-09 |
Family
ID=4162468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998063029A Expired - Fee Related CN1188685C (en) | 1998-05-20 | 1999-05-19 | Portable roller dynamometer and vehicle testing method |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1080354A1 (en) |
| JP (1) | JP2003513227A (en) |
| CN (1) | CN1188685C (en) |
| AU (1) | AU3922599A (en) |
| BR (1) | BR9911030A (en) |
| HK (1) | HK1038258A1 (en) |
| MX (1) | MXPA00011230A (en) |
| WO (1) | WO1999060363A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217305A (en) * | 2013-03-26 | 2013-07-24 | 广州市晨旭科技发展有限公司 | Testing device for durability of tyre |
| CN104833527A (en) * | 2015-05-13 | 2015-08-12 | 纳恩博（天津）科技有限公司 | Single-wheel dynamic balancing vehicle aging test limiting apparatus and test device provided therewith |
| CN106053096A (en) * | 2016-07-15 | 2016-10-26 | 天津铭志成科技有限责任公司 | Electric bicycle performance test platform |
| CN113049270A (en) * | 2021-03-24 | 2021-06-29 | 林武 | Chassis power measuring module additionally arranged on inertial type roller braking inspection bench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257054B1 (en) * | 1997-05-21 | 2001-07-10 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources | Portable roller dynamometer and vehicle testing method |
| JP3457287B2 (en) * | 2001-03-15 | 2003-10-14 | 本田技研工業株式会社 | How to measure one-sided flow of a vehicle |
| ES2303883T3 (en) * | 2003-03-03 | 2008-09-01 | Siemens Aktiengesellschaft | PROCEDURE TO OPERATE A ROLLER TEST BENCH AS WELL AS ROLLER TEST BENCH. |
| US7409877B2 (en) | 2006-08-22 | 2008-08-12 | Red Rackhams Treasure Co., Ltd. | Dynamometer adapter for motorcycles |
| JP5482248B2 (en) * | 2010-02-01 | 2014-05-07 | シンフォニアテクノロジー株式会社 | Chassis dynamo device |
| WO2014006240A1 (en) * | 2012-07-05 | 2014-01-09 | Antonio Rodriguez Ledesma | Mobile load simulator |
| DE102022127982A1 (en) * | 2022-10-24 | 2024-04-25 | Dürr Assembly Products GmbH | Vehicle test bench and methods for carrying out measurement and adjustment work on a vehicle and for carrying out driving simulations using the vehicle test bench |
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| US4635472A (en) * | 1984-09-13 | 1987-01-13 | The Allen Group Inc. | Chassis dynamometer construction |
| US5193386A (en) * | 1990-09-24 | 1993-03-16 | Hamilton Test Systems, Inc. | Tapered roller dynamometer |
| US5375461A (en) * | 1991-06-24 | 1994-12-27 | Kabushiki Kaisha Meidensha | Control system for chassis dynamometer for simulating road test of automotive vehicle |
| US5445013A (en) * | 1993-08-30 | 1995-08-29 | Clayton Industries | Dynamometer for simulating the inertial and road load forces encountered by motor vehicles and method |
| US5844145A (en) * | 1996-03-01 | 1998-12-01 | Snap-On Technologies, Inc. | Chassis dynamometer employing laterally moving roller assemblies during alignment of vehicle |
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1999
- 1999-05-19 CN CNB998063029A patent/CN1188685C/en not_active Expired - Fee Related
- 1999-05-19 WO PCT/CA1999/000457 patent/WO1999060363A1/en not_active Application Discontinuation
- 1999-05-19 JP JP2000549928A patent/JP2003513227A/en active Pending
- 1999-05-19 AU AU39225/99A patent/AU3922599A/en not_active Abandoned
- 1999-05-19 BR BR9911030-0A patent/BR9911030A/en not_active Application Discontinuation
- 1999-05-19 MX MXPA00011230A patent/MXPA00011230A/en unknown
- 1999-05-19 EP EP99922000A patent/EP1080354A1/en not_active Withdrawn
-
2001
- 2001-12-12 HK HK01108702A patent/HK1038258A1/en not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217305A (en) * | 2013-03-26 | 2013-07-24 | 广州市晨旭科技发展有限公司 | Testing device for durability of tyre |
| CN103217305B (en) * | 2013-03-26 | 2016-08-24 | 广州市耐动信息科技有限公司 | The test device of durability of tyre |
| CN104833527A (en) * | 2015-05-13 | 2015-08-12 | 纳恩博（天津）科技有限公司 | Single-wheel dynamic balancing vehicle aging test limiting apparatus and test device provided therewith |
| CN104833527B (en) * | 2015-05-13 | 2019-01-22 | 纳恩博（天津）科技有限公司 | Single wheel dynamic balancing vehicle burn-in test limiting device and the test equipment for having it |
| CN106053096A (en) * | 2016-07-15 | 2016-10-26 | 天津铭志成科技有限责任公司 | Electric bicycle performance test platform |
| CN106053096B (en) * | 2016-07-15 | 2018-07-24 | 天津铭志成科技有限责任公司 | Electric bicycle performance test platform |
| CN113049270A (en) * | 2021-03-24 | 2021-06-29 | 林武 | Chassis power measuring module additionally arranged on inertial type roller braking inspection bench |
Also Published As
| Publication number | Publication date |
|---|---|
| MXPA00011230A (en) | 2003-04-22 |
| CN1188685C (en) | 2005-02-09 |
| EP1080354A1 (en) | 2001-03-07 |
| AU3922599A (en) | 1999-12-06 |
| BR9911030A (en) | 2001-10-02 |
| WO1999060363A1 (en) | 1999-11-25 |
| HK1038258A1 (en) | 2002-03-08 |
| JP2003513227A (en) | 2003-04-08 |
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