CN103786533A - System and method for monitoring loads on tires in real time in automobile driving process - Google Patents
System and method for monitoring loads on tires in real time in automobile driving process Download PDFInfo
- Publication number
- CN103786533A CN103786533A CN201410071985.7A CN201410071985A CN103786533A CN 103786533 A CN103786533 A CN 103786533A CN 201410071985 A CN201410071985 A CN 201410071985A CN 103786533 A CN103786533 A CN 103786533A
- Authority
- CN
- China
- Prior art keywords
- data acquisition
- motor tire
- automobile
- tire
- board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a system and method for monitoring loads on tires in real time in the automobile driving process. The method is characterized by including the steps of firstly, calibrating mapping relations of the loads on the tires of an automobile, pressure on the tires, temperatures of the tires and perpendicular deformation amounts of rubber tire bodies of the tires through bench tests; secondly, evaluating the loads on the tires in real time in the automobile driving process through an automobile velocity test device, a tire pressure monitoring device, a tire velocity sensor and the like. The method is mature in concept, the designed monitoring device has high test accuracy, and the vehicle model application range is wide.
Description
Technical field
The invention belongs to automotive test and control field, relate to specifically tyre load real-time monitoring system and monitoring method in a kind of vehicle traveling process.
Background technology
Along with the develop rapidly of auto trade, driver requires progressively to improve to automotive performance, especially at the aspect of performance of tire.Tire manufacturer need to analyze the usage data of its tire product after putting on market, for improving tyre performance to meet driver's operating needs and to improve share of market.Therefore, tire manufacturer is badly in need of a kind of applied widely, and measuring accuracy is high, and lower-cost test method is for collection and the analysis of tire used data, and wherein, the vertical load of tire is the important parameter in tire used data.
The stressing conditions of tire affects ride safety of automobile closely, automobile is needed power in normal driving process, as propulsive effort, braking force etc., all result from the interactional friction face in tire and road surface, the vertical load of tire affects the adhesion value of automobile, wherein, the length of the stopping distance of automobile and adhesion value have direct relation.Less tire vertical load easily causes the locking phenomenon of tire, easily cause the blowing out generation of phenomenon of excessive tire vertical load, and these phenomenons have worsened the driving safety of automobile.
Therefore, accurately obtain the tyre load in vehicle traveling process and it is monitored and is had great significance.In prior art, the acquisition methods of motor tire load is had, based on the test method of six component tire sensors (WFT); Intelligent tire; And method based on image.
Test method based on six component tire sensors (WFT) is the power of ground effects on tire in measuring vehicle driving process in real time, obtain information of road surface accurately, this durability analysis for suspension and vehicle body plays an important role, and also contributes to improve the exploitation of Vehicle Driving Cycle and road-holding property optimization, dynamics analysis and tire.Wherein, the existing ripe product of the companies such as American MTS, Switzerland Kistler emerges, but expensive, installation is complicated, different kinds of tyre is not general.
Intelligent tire, adds chip method by the rubber tyre body at tire, tests out the automobile stressing conditions of tire in the process of moving, and still, the research of intelligent tire is also in theory stage at present.
By the method for optics, utilize camera to irradiate the method for detected tyre rubber tyre body deflection.But this kind of method is only applicable in stand test, can not be applied in real vehicle driving process.
Summary of the invention
The present invention is for avoiding the existing weak point of above-mentioned prior art, and tyre load method of real-time and device in the vehicle traveling process that a kind of theory is ripe, applied widely, precision is higher is provided.
The present invention is that technical solution problem adopts following technical scheme:
Tyre load real-time monitoring system in vehicle traveling process of the present invention, its constructional feature is: described monitoring system is made up of GPS test car speed equipment, ABS wheel speed sensors, tire pressure monitoring device and data acquisition and processing equipment;
Described GPS test car speed equipment comprises GPS Car antnna and GPS receiver on-board; Described GPS Car antnna is arranged on car roof and is positioned at automobile longitudinal symmetrical plane and the A point place of roof plane intersection line; Described GPS receiver on-board is arranged in Automobile and is connected with GPS Car antnna; Described GPS Car antnna is used for receiving gps satellite signal, described GPS receiver on-board is for resolving the gps satellite signal that described GPS Car antnna receives, obtain in real time the horizontal velocity v at automobile A point place, and the horizontal velocity v at described automobile A point place is sent to data acquisition and processing equipment;
Described ABS wheel speed sensors is used for Real-Time Monitoring automotive wheel angular velocity omega, and described automotive wheel angular velocity omega is sent to data acquisition and processing equipment with the form of square-wave signal; Modern automobile is from the safety of running car, and anti-skid brake system, i.e. ABS generally install on automobile in automobile vendor.ABS in the braking procedure of automobile forcibly the slip rate wheel be controlled near peak adhesion coefficient, thereby prevent that wheel is braked locking, improve braking effect.ABS is made up of sensor, electronic control unit (ECU) and hydraulic actuator conventionally.Wherein, sensor is for detection of information such as wheel speeds; Electronic control unit (ECU) is for the treatment of sensor signal; Hydraulic actuator becomes the variation of brake-pressure on wheel for the order that ECU is sent.Automotive wheel angular velocity sensor in the present invention adopts automobile ABS built-in sensors.
Described tire pressure monitoring device is arranged on valve inside of automobile tyre, is made up of pressure sensor, temperature sensor, acceleration pick-up and RF sending module; Described pressure sensor is for detecting in real time motor tire pressure P, described temperature sensor is for detecting in real time motor tire temperature T, described acceleration pick-up is for detecting automobile in the process of moving in real time, the acceleration/accel a perpendicular to ground being produced by the interaction on tire and ground; Described RF sending module is for sending in real time described motor tire pressure P, described motor tire temperature T and described acceleration/accel a to data acquisition and processing equipment;
Described data acquisition and processing equipment comprise data acquisition and process board and annunciator; Described data acquisition is used for the horizontal velocity v at the automobile A point place that the described GPS receiver on-board of reception sends in real time, the square-wave signal of automotive wheel angular velocity omega and described motor tire pressure P, described motor tire temperature T and the described acceleration/accel a of the transmission of described RF sending module of described ABS wheel speed sensors transmission with processing board, and obtains motor tire load F
z, described data acquisition judges motor tire load F with processing board
zwhether exceed threshold value, if exceed, send alerting signal by described annunciator.
Tyre load real-time monitoring system in vehicle traveling process of the present invention, its constructional feature is also:
Described data acquisition and processing equipment also comprise wireless receiving module;
Described GPS receiver on-board is sent to the horizontal velocity v at described automobile A point place by serial ports the data acquisition and processing board of data acquisition and processing equipment;
Described ABS wheel speed sensors is sent to described automotive wheel angular velocity omega the data acquisition and processing board of data acquisition and processing equipment with the form of square-wave signal by CAN;
Described RF sending module is sent to described motor tire pressure P, described motor tire temperature T and described acceleration/accel a by wireless the wireless receiving module of data acquisition and processing equipment;
Described wireless receiving module is sent to described motor tire pressure P, described motor tire temperature T and described acceleration/accel a data acquisition and processes board.
Preferably, described data acquisition and the TMS320F28335DSP chip of processing board employing TI company.
Utilize the monitoring method of monitoring system of the present invention, its feature is:
Described motor tire load F
zobtained by formula (1):
F
Z=f(P,T,Δs) （1）
In formula, f is the motor tire load F demarcating by stand test
zand mapping relations when motor tire pressure P, described motor tire temperature T and motor tire and ground interaction between the vertical deformation amount Δ s of rubber tyre body (5); A.N.Gent and J.D.Walter chief editor " tire theory and technology " set forth tyre load F
zand between the vertical deformation amount Δ s of rubber tyre body (5), exist nonlinear relationship when motor tire pressure P, motor tire temperature T and motor tire and ground interaction.
Described vertical deformation amount Δ s is obtained by formula (2):
Δs=r
r-l-Δs′ （2）
R in formula
rfor the theoretical running radius of tire of motor tire; L is the distance of motor tire center to rim for automobile wheel (4) edge; The vertical bounce amount that Δ s ' produces during for tire in vehicle traveling process and ground effects;
The theoretical running radius of tire r of described motor tire
robtained by formula (3):
r
r=v/ω （3）
In formula, v is the horizontal velocity at automobile A point place; ω is that the square-wave signal of crossing automotive wheel angular velocity omega by data acquisition and disposable plates cartoon resolves the automotive wheel cireular frequency of acquisition;
Δ s ' in formula (2) is obtained by FFT-DDI filtering method according to acceleration/accel a by data acquisition and processing board.To FFT-DDI filtering method, the people's such as Ribeiro T G T " New improvements in the digital double interation filtering method to measure displacements using accelerometers " and the Li Dongwen of Institutes Of Technology Of Taiyuan " DSP of vibration acceleration signal Direct Digital integration realizes " conducts in-depth research.In " the automotive suspension displacement method for real-timely testing experimental investigation based on acceleration/accel " literary composition that contriver delivers, pass through FFT-DDI method, frequency domain filtering and time-domain integration are hocketed, particularly the numerical value above to FFT and last numerical value indirect assignment change when frequency domain filtering, can effectively improve like this storage effect of low frequency signal.
Compared with prior art, beneficial effect of the present invention is embodied in:
1, the present invention calibrates the vertical load F of tire by stand test
zmapping relationship f with tire parameter, then obtain the needed running car parameter of mapping relations by GPS test car speed equipment, system for monitoring pressure in tyre and ABS wheel speed sensors etc., thereby tyre load in acquisition vehicle traveling process, monitoring device is easy for installation, monitoring method is simple, theory is ripe and have higher measuring accuracy;
2, monitoring method of the present invention and monitoring device are applicable to automobile Real-Time Monitoring in the process of moving;
3, monitoring method of the present invention is wide with the applicable vehicle scope of device.
Accompanying drawing explanation
Fig. 1 is monitoring device scheme of installation of the present invention;
Fig. 2 is monitoring device hardware block diagram of the present invention
Fig. 3 is that in vehicle traveling process of the present invention, tire angular velocity is obtained schematic diagram;
Fig. 4 is system for monitoring pressure in tyre scheme of installation of the present invention;
Fig. 5 is acceleration pick-up scheme of installation of the present invention;
Fig. 6 is that rubber for tire carcass vertical deformation amount of the present invention is calculated schematic diagram;
Number in the figure: 1GPS Car antnna; 2ABS wheel speed sensors; 3 tire pressure monitoring devices; 3a acceleration pick-up; 4 rim for automobile wheel; 5 rubber tyre bodies.
The specific embodiment
As shown in Figure 1, in the vehicle traveling process of the present embodiment, tyre load real-time monitoring system is made up of GPS test car speed equipment, ABS wheel speed sensors 2, tire pressure monitoring device 3 and data acquisition and processing equipment;
Described GPS test car speed equipment comprises GPS Car antnna 1 and GPS receiver on-board; Described GPS Car antnna 1 is arranged on car roof and is positioned at automobile longitudinal symmetrical plane and the A point place of roof plane intersection line; Described GPS receiver on-board is arranged in Automobile and is connected with GPS Car antnna 1; Described GPS Car antnna 1 is for receiving gps satellite signal, described GPS receiver on-board is for resolving the gps satellite signal that described GPS Car antnna 1 receives, obtain in real time the horizontal velocity v at automobile A point place, and the horizontal velocity v at described automobile A point place is sent to data acquisition and processing equipment;
As shown in Figure 3, described ABS wheel speed sensors 2 is for Real-Time Monitoring automotive wheel angular velocity omega, and described automotive wheel angular velocity omega is sent to data acquisition and processing equipment with the form of square-wave signal; Modern automobile is from the safety of running car, and anti-skid brake system, i.e. ABS generally install on automobile in automobile vendor.ABS in the braking procedure of automobile forcibly the slip rate wheel be controlled near peak adhesion coefficient, thereby prevent that wheel is braked locking, improve braking effect.ABS is made up of sensor, electronic control unit (ECU) and hydraulic actuator conventionally.Wherein, sensor is for detection of information such as wheel speeds; Electronic control unit (ECU) is for the treatment of sensor signal; Hydraulic actuator becomes the variation of brake-pressure on wheel for the order that ECU is sent.Automotive wheel angular velocity sensor 2 in the present invention adopts automobile ABS built-in sensors.In concrete enforcement, due to automobile in the process of moving, the cireular frequency of four wheels there are differences, this monitoring method adopts the method for getting four angular speed of wheel aviation values;
As shown in Figure 4, described tire pressure monitoring device 3 is arranged on valve inside of automobile tyre, is made up of pressure sensor, temperature sensor, acceleration pick-up 3a and RF sending module; Described pressure sensor is for detecting in real time motor tire pressure P, described temperature sensor is for detecting in real time motor tire temperature T, described acceleration pick-up 3a is for detecting automobile in the process of moving in real time, the acceleration/accel a perpendicular to ground being produced by the interaction on tire and ground; Described RF sending module is for sending in real time described motor tire pressure P, described motor tire temperature T and described acceleration/accel a to data acquisition and processing equipment;
As shown in Figure 5, described acceleration pick-up 3a is integrated in described system for monitoring pressure in tyre 3, for real-time measured automobiles in the process of moving, and the interaction on tire and ground and the acceleration/accel a perpendicular to ground that produces.The acceleration pick-up 3a that the present embodiment adopts can measure x, y, the acceleration/accel of tri-directions of z, owing to being integrated in system for monitoring pressure in tyre 3, therefore, need to judge the position of acceleration pick-up 3a, when acceleration pick-up 3a be positioned at wheel under time, the accekeration of y axle output can directly calculate, when acceleration pick-up 3a be positioned at wheel directly over time, y axle is got the accekeration of its reversing sense output.
As shown in Figure 2, described data acquisition and processing equipment comprise data acquisition and process board and annunciator; Described data acquisition is used for the horizontal velocity v at the automobile A point place that the described GPS receiver on-board of reception sends in real time, the square-wave signal of automotive wheel angular velocity omega and described motor tire pressure P, described motor tire temperature T and the described acceleration/accel a of the transmission of described RF sending module that described ABS wheel speed sensors 2 sends with processing board, and obtains motor tire load F
z, described data acquisition judges motor tire load F with processing board
zwhether exceed threshold value, if exceed, send alerting signal by described annunciator.The data acquisition of the present embodiment and the TMS320F28335DSP chip of processing board employing TI company.
In concrete enforcement, described data acquisition and processing equipment also comprise wireless receiving module;
Described GPS receiver on-board is sent to the horizontal velocity v at described automobile A point place by serial ports the data acquisition and processing board (DSP) of data acquisition and processing equipment;
Described ABS wheel speed sensors 2 is sent to described automotive wheel angular velocity omega the data acquisition and processing board (DSP) of data acquisition and processing equipment with the form of square-wave signal by CAN;
Described RF sending module is sent to described motor tire pressure P, described motor tire temperature T and described acceleration/accel a by wireless the wireless receiving module of data acquisition and processing equipment;
Described wireless receiving module is sent to described motor tire pressure P, described motor tire temperature T and described acceleration/accel a data acquisition and processes board (DSP).
Described motor tire vertical load F
zobtain by (1) formula:
F
Z=f(P,T,Δs) （1）
In formula, f is the motor tire load F demarcating by stand test
zand mapping relations when motor tire pressure P, described motor tire temperature T and motor tire and ground interaction between the vertical deformation amount Δ s of rubber tyre body 5; In " tire theory and technology " book of A.N.Gent and J.D.Walter chief editor, set forth along with tyre deflection strengthens, tire should change seriously, heat-dissipating is more, so operating temperature also improves, when tyre load and motor tire pressure P, motor tire temperature T and motor tire and ground interaction, between the vertical deformation amount Δ s of rubber tyre body 5, exist nonlinear relationship.
As shown in Figure 6, in formula (1), Δ s obtains by (2) formula:
Δs=r
r-l-Δs′ （2）
R in formula
rfor the theoretical running radius of tire of motor tire; L is the distance of motor tire center to rim for automobile wheel 4 edges; The vertical bounce amount that Δ s ' produces during for tire in vehicle traveling process and ground effects;
The theoretical running radius of tire r of motor tire
r(3) formula of pressing obtains:
r
r=v/ω （3）
In formula, v is the horizontal velocity at automobile A point place; ω is that the square-wave signal of crossing automotive wheel angular velocity omega by data acquisition and disposable plates cartoon resolves the automotive wheel cireular frequency of acquisition;
Δ s ' in formula (2) is obtained by FFT-DDI filtering method according to acceleration/accel a by data acquisition and processing board.To FFT-DDI filtering method, the people's such as Ribeiro T G T " New improvements in the digital double interation filtering method to measure displacements using accelerometers " and the Li Dongwen of Institutes Of Technology Of Taiyuan " DSP of vibration acceleration signal Direct Digital integration realizes " conducts in-depth research.In " the automotive suspension displacement method for real-timely testing experimental investigation based on acceleration/accel " literary composition that contriver delivers, pass through FFT-DDI method, frequency domain filtering and time-domain integration are hocketed, particularly the numerical value above to FFT and last numerical value indirect assignment change when frequency domain filtering, can effectively improve like this storage effect of low frequency signal.
Finally, by the P obtaining, T, Δ s substitution formula (1), the vertical load of acquisition tire.
Claims (4)
1. a tyre load real-time monitoring system in vehicle traveling process, is characterized in that: described monitoring system is made up of GPS test car speed equipment, ABS wheel speed sensors (2), tire pressure monitoring device (3) and data acquisition and processing equipment;
Described GPS test car speed equipment comprises GPS Car antnna (1) and GPS receiver on-board; Described GPS Car antnna (1) is arranged on car roof and is positioned at automobile longitudinal symmetrical plane and the A point place of roof plane intersection line; Described GPS receiver on-board is arranged in Automobile and is connected with GPS Car antnna (1); Described GPS Car antnna (1) is for receiving gps satellite signal, described GPS receiver on-board is used for resolving the gps satellite signal that described GPS Car antnna (1) receives, obtain in real time the horizontal velocity v at automobile A point place, and the horizontal velocity v at described automobile A point place is sent to data acquisition and processing equipment;
Described ABS wheel speed sensors (2) is for Real-Time Monitoring automotive wheel angular velocity omega, and described automotive wheel angular velocity omega is sent to data acquisition and processing equipment with the form of square-wave signal;
Described tire pressure monitoring device (3) is arranged on valve inside of automobile tyre, is made up of pressure sensor, temperature sensor, acceleration pick-up (3a) and RF sending module; Described pressure sensor is for detecting in real time motor tire pressure P, described temperature sensor is for detecting in real time motor tire temperature T, described acceleration pick-up (3a) is for detecting automobile in the process of moving in real time, the acceleration/accel a perpendicular to ground being produced by the interaction on tire and ground; Described RF sending module is for sending in real time described motor tire pressure P, described motor tire temperature T and described acceleration/accel a to data acquisition and processing equipment;
Described data acquisition and processing equipment comprise data acquisition and process board and annunciator; Described data acquisition is used for the horizontal velocity v at the automobile A point place that the described GPS receiver on-board of reception sends in real time, the square-wave signal of automotive wheel angular velocity omega and described motor tire pressure P, described motor tire temperature T and the described acceleration/accel a of the transmission of described RF sending module of described ABS wheel speed sensors (2) transmission with processing board, and obtains motor tire load F
z, described data acquisition judges motor tire load F with processing board
zwhether exceed threshold value, if exceed, send alerting signal by described annunciator.
2. tyre load real-time monitoring system in vehicle traveling process according to claim 1, is characterized in that:
Described data acquisition and processing equipment also comprise wireless receiving module;
Described GPS receiver on-board is sent to the horizontal velocity v at described automobile A point place by serial ports the data acquisition and processing board of data acquisition and processing equipment;
Described ABS wheel speed sensors (2) is sent to described automotive wheel angular velocity omega the data acquisition and processing board of data acquisition and processing equipment with the form of square-wave signal by CAN;
Described RF sending module is sent to described motor tire pressure P, described motor tire temperature T and described acceleration/accel a by wireless the wireless receiving module of data acquisition and processing equipment;
Described wireless receiving module is sent to described motor tire pressure P, described motor tire temperature T and described acceleration/accel a data acquisition and processes board.
3. tyre load real-time monitoring system in vehicle traveling process according to claim 1 and 2, is characterized in that:
Described data acquisition and the TMS320F28335DSP chip of processing board employing TI company.
4. a monitoring method of utilizing the monitoring system described in claim 1,2 or 3, is characterized in that:
Described motor tire load F
zobtained by formula (1):
F
Z=f(P,T,Δs) （1）
In formula, f is the motor tire load F demarcating by stand test
zand mapping relations when motor tire pressure P, described motor tire temperature T and motor tire and ground interaction between the vertical deformation amount Δ s of rubber tyre body (5);
Described vertical deformation amount Δ s is obtained by formula (2):
Δs=r
r-l-Δs′ （2）
R in formula
rfor the theoretical running radius of tire of motor tire; L is the distance of motor tire center to rim for automobile wheel (4) edge; The vertical bounce amount that Δ s ' produces during for tire in vehicle traveling process and ground effects;
The theoretical running radius of tire r of described motor tire
robtained by formula (3):
r
r=v/ω （3）
In formula, v is the horizontal velocity at automobile A point place; ω is that the square-wave signal of crossing automotive wheel angular velocity omega by data acquisition and disposable plates cartoon resolves the automotive wheel cireular frequency of acquisition;
Δ s ' in formula (2) is obtained by FFT-DDI filtering method according to acceleration/accel a by data acquisition and processing board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071985.7A CN103786533B (en) | 2014-02-28 | 2014-02-28 | Tyre load real-time monitoring system in a kind of vehicle traveling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071985.7A CN103786533B (en) | 2014-02-28 | 2014-02-28 | Tyre load real-time monitoring system in a kind of vehicle traveling process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103786533A true CN103786533A (en) | 2014-05-14 |
| CN103786533B CN103786533B (en) | 2016-06-29 |
Family
ID=50662777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410071985.7A Active CN103786533B (en) | 2014-02-28 | 2014-02-28 | Tyre load real-time monitoring system in a kind of vehicle traveling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103786533B (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806363A (en) * | 2015-03-31 | 2015-07-29 | 小米科技有限责任公司 | Accelerator response method and accelerator response device |
| CN105904918A (en) * | 2016-06-06 | 2016-08-31 | 广东菲柯特电子科技有限公司 | Tire pressure monitoring method and device, and upgrading system of device |
| US20160305974A1 (en) * | 2013-10-25 | 2016-10-20 | Imt Partnership | Automotive sensor active temperature control and temperature fault monitoring |
| CN106198058A (en) * | 2016-08-03 | 2016-12-07 | 东南大学 | A kind of vertical wheel impacts power method for real-time measurement based on tire pressure monitoring |
| CN106626994A (en) * | 2016-12-24 | 2017-05-10 | 安徽佳通乘用子午线轮胎有限公司 | Method and system for detecting tire dynamic vertical load during traveling period of vehicle |
| CN106768577A (en) * | 2016-12-26 | 2017-05-31 | 北京理工大学 | A kind of vehicle tyre vertical load monitoring device and method |
| CN106840471A (en) * | 2017-01-03 | 2017-06-13 | 北京信息科技大学 | Active force integrated measurement system and method in a kind of intact stability and tire tread |
| CN107826122A (en) * | 2017-10-16 | 2018-03-23 | 潍柴动力股份有限公司 | A kind of method for calculating complete vehicle quality |
| CN108099916A (en) * | 2016-11-25 | 2018-06-01 | 比亚迪股份有限公司 | A kind of method, system and vehicle for monitoring vehicle running state |
| CN108290466A (en) * | 2015-10-06 | 2018-07-17 | 特雷勒堡车轮系统意大利股份公司 | The method and apparatus of the pressure of control and adjusting tire |
| CN108426556A (en) * | 2018-03-09 | 2018-08-21 | 安徽农业大学 | A kind of dynamometry vehicle wheel rotation angle measurement method based on acceleration |
| CN109831515A (en) * | 2019-03-04 | 2019-05-31 | 知轮(杭州)科技有限公司 | The test method and test signal generation device of tire on-line detecting system |
| CN111127883A (en) * | 2019-12-17 | 2020-05-08 | 长安大学 | Method and system for measuring and calculating safe driving speed of intelligent vehicle by considering road surface state |
| CN111780993A (en) * | 2019-03-18 | 2020-10-16 | 上海汽车集团股份有限公司 | Wheel force measuring system and method |
| CN111976396A (en) * | 2020-07-27 | 2020-11-24 | 清华大学 | Tire real-time load identification device and method |
| CN112013938A (en) * | 2020-09-04 | 2020-12-01 | 北京因泰智行科技有限公司 | Vehicle load detection method and vehicle |
| CN112776818A (en) * | 2021-01-26 | 2021-05-11 | 烟台兴业机械股份有限公司 | Underground trackless equipment, load determining method and device and electronic equipment |
| CN115230717A (en) * | 2022-07-21 | 2022-10-25 | 广西科技大学 | Method and device for calculating mass of loaded automobile |
| CN117782635A (en) * | 2024-02-27 | 2024-03-29 | 湖北军缔悍隆科技发展有限公司 | Vehicle stability detection method and system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7446530B2 (en) | 2021-01-06 | 2024-03-08 | ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー | System and method for tire vertical load prediction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887211A1 (en) * | 1997-06-23 | 1998-12-30 | Compagnie Generale Des Etablissements Michelin-Michelin & Cie | Tire monitoring system |
| JP2006162494A (en) * | 2004-12-09 | 2006-06-22 | Toyota Motor Corp | Tire load predicting apparatus and tire load prediction method |
| CN1860042A (en) * | 2003-10-24 | 2006-11-08 | 倍耐力轮胎公司 | Method and system for determining a tyre load during the running of a vehicle |
| CN102986268A (en) * | 2010-05-03 | 2013-03-20 | 瑞典爱立信有限公司 | Propagating system information changes to relays |
-
2014
- 2014-02-28 CN CN201410071985.7A patent/CN103786533B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887211A1 (en) * | 1997-06-23 | 1998-12-30 | Compagnie Generale Des Etablissements Michelin-Michelin & Cie | Tire monitoring system |
| CN1860042A (en) * | 2003-10-24 | 2006-11-08 | 倍耐力轮胎公司 | Method and system for determining a tyre load during the running of a vehicle |
| JP2006162494A (en) * | 2004-12-09 | 2006-06-22 | Toyota Motor Corp | Tire load predicting apparatus and tire load prediction method |
| CN102986268A (en) * | 2010-05-03 | 2013-03-20 | 瑞典爱立信有限公司 | Propagating system information changes to relays |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160305974A1 (en) * | 2013-10-25 | 2016-10-20 | Imt Partnership | Automotive sensor active temperature control and temperature fault monitoring |
| CN104806363A (en) * | 2015-03-31 | 2015-07-29 | 小米科技有限责任公司 | Accelerator response method and accelerator response device |
| CN108290466B (en) * | 2015-10-06 | 2020-08-11 | 特雷勒堡车轮系统意大利股份公司 | Method and device for controlling and regulating the pressure of a tyre |
| CN108290466A (en) * | 2015-10-06 | 2018-07-17 | 特雷勒堡车轮系统意大利股份公司 | The method and apparatus of the pressure of control and adjusting tire |
| CN105904918A (en) * | 2016-06-06 | 2016-08-31 | 广东菲柯特电子科技有限公司 | Tire pressure monitoring method and device, and upgrading system of device |
| CN105904918B (en) * | 2016-06-06 | 2018-06-08 | 广东菲柯特电子科技有限公司 | Tire pressure monitoring method, device for monitoring tyre pressure and its upgrade-system |
| CN106198058B (en) * | 2016-08-03 | 2017-04-19 | 东南大学 | Real-time vertical wheel impact force measurement method based on tire pressure monitoring |
| CN106198058A (en) * | 2016-08-03 | 2016-12-07 | 东南大学 | A kind of vertical wheel impacts power method for real-time measurement based on tire pressure monitoring |
| CN108099916A (en) * | 2016-11-25 | 2018-06-01 | 比亚迪股份有限公司 | A kind of method, system and vehicle for monitoring vehicle running state |
| CN106626994A (en) * | 2016-12-24 | 2017-05-10 | 安徽佳通乘用子午线轮胎有限公司 | Method and system for detecting tire dynamic vertical load during traveling period of vehicle |
| CN106626994B (en) * | 2016-12-24 | 2018-06-29 | 安徽佳通乘用子午线轮胎有限公司 | The method and system of detection wheel movement of the foetus state vertical load during a kind of vehicle traveling |
| CN106768577A (en) * | 2016-12-26 | 2017-05-31 | 北京理工大学 | A kind of vehicle tyre vertical load monitoring device and method |
| CN106840471B (en) * | 2017-01-03 | 2020-03-27 | 北京信息科技大学 | Integrated measurement system and method for vehicle stability and acting force in tire surface |
| CN106840471A (en) * | 2017-01-03 | 2017-06-13 | 北京信息科技大学 | Active force integrated measurement system and method in a kind of intact stability and tire tread |
| CN107826122A (en) * | 2017-10-16 | 2018-03-23 | 潍柴动力股份有限公司 | A kind of method for calculating complete vehicle quality |
| CN108426556B (en) * | 2018-03-09 | 2019-05-24 | 安徽农业大学 | A kind of dynamometry vehicle wheel rotation angle measurement method based on acceleration |
| CN108426556A (en) * | 2018-03-09 | 2018-08-21 | 安徽农业大学 | A kind of dynamometry vehicle wheel rotation angle measurement method based on acceleration |
| CN109831515A (en) * | 2019-03-04 | 2019-05-31 | 知轮(杭州)科技有限公司 | The test method and test signal generation device of tire on-line detecting system |
| CN111780993A (en) * | 2019-03-18 | 2020-10-16 | 上海汽车集团股份有限公司 | Wheel force measuring system and method |
| CN111127883A (en) * | 2019-12-17 | 2020-05-08 | 长安大学 | Method and system for measuring and calculating safe driving speed of intelligent vehicle by considering road surface state |
| US11904865B2 (en) | 2019-12-17 | 2024-02-20 | Chang'an University | Intelligent safe vehicle speed measurement method and system capable of considering state of road surface |
| CN111976396A (en) * | 2020-07-27 | 2020-11-24 | 清华大学 | Tire real-time load identification device and method |
| CN111976396B (en) * | 2020-07-27 | 2021-12-10 | 清华大学 | Tire real-time load identification device and method |
| CN112013938A (en) * | 2020-09-04 | 2020-12-01 | 北京因泰智行科技有限公司 | Vehicle load detection method and vehicle |
| CN112776818A (en) * | 2021-01-26 | 2021-05-11 | 烟台兴业机械股份有限公司 | Underground trackless equipment, load determining method and device and electronic equipment |
| CN115230717A (en) * | 2022-07-21 | 2022-10-25 | 广西科技大学 | Method and device for calculating mass of loaded automobile |
| CN117782635A (en) * | 2024-02-27 | 2024-03-29 | 湖北军缔悍隆科技发展有限公司 | Vehicle stability detection method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103786533B (en) | 2016-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103786533B (en) | Tyre load real-time monitoring system in a kind of vehicle traveling process | |
| CN102991489B (en) | To idle running and the skid safe locomotive velocity measuring ranging system and method that detect and compensate | |
| US10451130B2 (en) | Residual braking torque indication devices, systems, and methods | |
| CN105829185B (en) | Potential adhesive force is estimated by assessment rolling radius | |
| CN103852064B (en) | A kind of vehicle-mounted real-time testing system of road grade and method of testing thereof | |
| Savaresi et al. | New regressors for the direct identification of tire deformation in road vehicles via “in-tire” accelerometers | |
| CN105313606A (en) | System and method for determining tire wear properties | |
| CN102292226B (en) | For determining the method and apparatus of the wheel condition parameter of wheel continuously | |
| CN108791276B (en) | Method for rapidly judging linear/nonlinear working state of tire lateral force | |
| US8437907B2 (en) | Method for determining a roadway state | |
| JP2014532170A (en) | Method for estimating rolling resistance of vehicle wheel | |
| US20070299573A1 (en) | Accelerometer based system for detection of tire tread separation and loose wheels | |
| CN105270409A (en) | Device and method for testing peak adhesion coefficient of road surface | |
| CN103935196A (en) | Tire pressure sensing system capable of automatically configuring | |
| US8887562B2 (en) | Diagnostic tire test method | |
| CN106347251A (en) | Road surface recognition method and device | |
| CN104865081A (en) | Device and method used for testing cavity noises of tire | |
| Niskanen et al. | Accelerometer tyre to estimate the aquaplaning state of the tyre-road contact | |
| Tuononen et al. | Optical position detection sensor to measure tyre carcass deflections in aquaplaning | |
| Pokorski et al. | Influence of exploitation conditions on anti-skid properties of tyres | |
| CN107727415A (en) | A kind of portable automobile wheel braking ability dynamic testing method and system | |
| CN102057267B (en) | Method of estimating the transverse grip of a pair of tyres by comparative analysis | |
| CN1645085A (en) | Experimental method for appraising ABB controlling level by sliding rate | |
| CN207141059U (en) | A kind of vehicle anti-collision early warning system | |
| US20040148074A1 (en) | System and method for monitoring the vehicle dynamics of a vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |