CN101800079A - Method and device for realizing parameter self-calibration - Google Patents
Method and device for realizing parameter self-calibration Download PDFInfo
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Abstract
The invention discloses a method and a device for realizing parameter self-calibration and belongs to the field of electronic control on automobiles. The method comprises the following steps: receiving a current relevant parameter value transmitted by a functional electronic control unit (ECU); carrying out optimal type matching on the current relevant parameter value to obtain the optimal type; transmitting a flash-memory flash driver to the functional ECU; and judging whether the application program suspension of the functional ECU is safe, and if so, transmitting the relevant parameter value corresponding to the optimal type to the functional ECU so that the functional ECU calls the flash driver to modify the relevant parameter value into the relevant parameter value corresponding to the optimal type. The device comprises a receiving module, a matching module, a transmitting module and a judging module. The invention realizes unified management on the calibration value of the relevant parameter of each functional ECU as well as the flash driver, thereby saving the resources and enhancing the treatment efficiency and the safety of each functional ECU.
Description
Technical field
The present invention relates to the Vehicle Electronic Control field, particularly a kind of method and apparatus of realizing parameter self-calibration.
Background technology
Before automobile is gone into operation, generally need to demarcate three high rating test, emission testing and complete vehicle tests through stand elementary proving, vehicle calibration, fault diagnosis.After automobile dispatched from the factory, under the influence of different environments for use and different factors such as driving habits, each parts loss also was not quite similar.Therefore, need in real time, realize the demarcation certainly of parameters by the mode of self study according to condition of the vehicle and environmental aspect etc.
Various function ECU (Electronic Control Unit is arranged in the automobile, electronic control unit), for example, TPMS (Tire Pressure Monitoring System, tire pressure monitoring system) ECU, need calculate the tire pressure state according to the wheel speed of gathering back, and carry out different mode treatment according to different road surfaces.Each function ECU realizes that automobile parameter from the method for demarcating is at present: deposit flash (flash memory) and write with a brush dipped in Chinese ink driver in each function ECU, each function ECU management flash separately writes with a brush dipped in Chinese ink driver.Each function ECU is according to the data of gathering, and calls the flash that self deposits and writes with a brush dipped in Chinese ink driver and carry out writing with a brush dipped in Chinese ink again of program, realizes the demarcation certainly of correlation parameter.
Comprehensively above-mentioned, there is following problem at least in prior art:
The flash that each ECU administers and maintains self separately writes with a brush dipped in Chinese ink driver, need take the logical process resource of each ECU, caused the wasting of resources, and influence the treatment effeciency of other incidents among this ECU, in addition, flash writes with a brush dipped in Chinese ink among the ECU that driver leaves self in, and accident is arranged slightly, for example program fleet may be write with a brush dipped in Chinese ink other programs by mistake.
Summary of the invention
In order to save resource, improve treatment effeciency and the security of ECU, the embodiment of the invention provides a kind of method and apparatus of realizing parameter self-calibration.Described technical scheme is as follows:
A kind of method that realizes parameter self-calibration, described method comprises:
The current relevant parameter value that receiving function electronic control unit ECU sends;
Described current relevant parameter value is carried out optimum type matching, obtain optimum type;
Flash memory flash is write with a brush dipped in Chinese ink driver send to described function ECU;
Whether the application program of judging described function ECU suspends safety, if safety, the related parameter values of optimum type correspondence is sent to described function ECU, make described function ECU call described flash and write with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter described optimum type correspondence.
Wherein, described current relevant parameter value is carried out optimum type matching, obtains optimum type and comprise:
Described current relevant parameter value is carried out optimum type matching;
Judge whether self has match-type, if having, with described match-type as described optimum type, if do not have, with immediate type as optimum type.
Wherein, flash being write with a brush dipped in Chinese ink driver sends to described function ECU and comprises:
Described flash is write with a brush dipped in Chinese ink driver send to described function ECU by the CAN bus.
Wherein, the related parameter values of optimum type correspondence being sent to described function ECU comprises:
The related parameter values of described optimum type correspondence is sent to described function ECU by the CAN bus.
Wherein, described method also comprises:
If dangerous, carry out the application program judge described function ECU and suspend whether safe step.
Wherein, comprise before the current relevant parameter value that receiving function ECU sends:
Described function ECU judges that whether described current relevant parameter value is typical, if not, sends described current relevant parameter value.
A kind of device of realizing parameter self-calibration, described device comprises:
Receiver module is used for the current relevant parameter value that receiving function electronic control unit ECU sends;
Matching module, the current relevant parameter value that is used for described receiver module is received is carried out optimum type matching, obtains optimum type;
Sending module is used for that flash memory flash is write with a brush dipped in Chinese ink driver and sends to described function ECU;
Judge module, whether the application program that is used to judge described function ECU suspends safety, if safety, the related parameter values of the optimum type correspondence that matching module is obtained sends to described function ECU, makes described function ECU call the flash that described sending module sends and writes with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter described optimum type correspondence.
Wherein, described matching module comprises:
Matching unit, the current relevant parameter value that is used for described receiver module is received is carried out optimum type matching;
Judging unit is used to judge whether self has match-type, if having, with described match-type as described optimum type, if do not have, with immediate type as optimum type.
Wherein, whether safe described judge module if also be used for dangerously, carried out the application program judge described function ECU and suspended step.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Current relevant parameter value by receiving function electronic control unit ECU transmission, current relevant parameter value is carried out optimum type matching, obtain optimum type, flash memory flash is write with a brush dipped in Chinese ink driver send to function ECU, whether the application program of arbitration functions ECU suspends safety, if safety, the related parameter values of optimum type correspondence is sent to function ECU, make function ECU call flash and write with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter optimum type correspondence, the calibration value and the unified management of writing with a brush dipped in Chinese ink driver of each function ECU correlation parameter have been realized, save resource, improved treatment effeciency and the security of each function ECU.
Description of drawings
Fig. 1 is the method flow diagram of the realization parameter self-calibration that provides in the embodiment of the invention 1;
Fig. 2 is the demarcation ECU management structure figure that provides in the embodiment of the invention 1;
Fig. 3 is the other method process flow diagram of the realization parameter self-calibration that provides in the embodiment of the invention 1;
Fig. 4 is the structure drawing of device of the realization parameter self-calibration that provides in the embodiment of the invention 2;
Fig. 5 is another structure drawing of device of the realization parameter self-calibration that provides in the embodiment of the invention 2.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, present embodiment provides a kind of method that realizes parameter self-calibration, comprising:
101: the current relevant parameter value that receiving function ECU sends;
Wherein, ECU claims vehicle-mounted computer again, is the microcomputerized controller that is applicable to automobile etc.
Wherein, this method can be demarcated the ECU realization by one.Demarcate ECU for one and can manage one or more function ECU, for example, referring to Fig. 2, demarcate ECU for one and pass through CAN (Controller AreaNetwork, controller local area network) bus management ECU_1, ECU_2, ECU_3, ECU_4, ECU_5 totally 5 function ECU.
102: current relevant parameter value is carried out optimum type matching, obtain optimum type;
Concrete, current relevant parameter value is carried out optimum type matching; Judge whether self has match-type, if having, with match-type as optimum type, if do not have, with immediate type as optimum type.
103: flash is write with a brush dipped in Chinese ink driver send to this function ECU;
Concrete, flash can be write with a brush dipped in Chinese ink driver and send to this function ECU by the CAN bus.
104: whether the application program of judging this function ECU suspends safety, if safety, the related parameter values of optimum type correspondence is sent to function ECU, make function ECU call flash and write with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter optimum type correspondence.
Concrete, the related parameter values of optimum type correspondence can be sent to this function ECU by the CAN bus.
Further, if dangerous, continue carry out the application program of judging this function ECU and suspend whether safe step.
The method that present embodiment provides, current relevant parameter value by receiving function electronic control unit ECU transmission, current relevant parameter value is carried out optimum type matching, obtain optimum type, flash memory flash is write with a brush dipped in Chinese ink driver send to function ECU, whether the application program of arbitration functions ECU suspends safety, if safety, the related parameter values of optimum type correspondence is sent to function ECU, make function ECU call flash and write with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter optimum type correspondence, the calibration value and the unified management of writing with a brush dipped in Chinese ink driver of each function ECU correlation parameter have been realized, save resource, improved treatment effeciency and the security of each function ECU.
Referring to Fig. 3, introduce the method for above-mentioned realization parameter self-calibration in detail below in conjunction with an example.
201: function ECU carries out data acquisition;
Wherein, function ECU can be one or more, and present embodiment does not limit.
202: this function ECU calculates current relevant parameter value according to data that collect and corresponding recognizer;
203: this function ECU judges whether related parameter values is typical, if, execution in step 201, if not, execution in step 204;
204: this function ECU sends current relevant parameter value by the CAN bus to demarcating ECU;
205: demarcate the ECU reception and current relevant parameter value is carried out optimum type matching;
206: this demarcation ECU judges whether self has match-type, if having, and execution in step 207a, if do not have, execution in step 207b;
207a: this demarcate ECU with this match-type as optimum type;
207b: this demarcation ECU obtains the most close type, with the most close type as optimum type;
208: this demarcation ECU writes with a brush dipped in Chinese ink driver with flash and sends to this function ECU;
209: this demarcation ECU judges that whether the application program of this function ECU suspend safety, if, execution in step 210, if not, execution in step 209;
210: this demarcation ECU sends to this function ECU by the CAN bus with the related parameter values of optimum type correspondence;
211: this function ECU receives the related parameter values of optimum type correspondence, calls flash and writes with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter this optimum type correspondence.
The method that present embodiment provides, current relevant parameter value by receiving function electronic control unit ECU transmission, current relevant parameter value is carried out optimum type matching, obtain optimum type, flash memory flash is write with a brush dipped in Chinese ink driver send to function ECU, whether the application program of arbitration functions ECU suspends safety, if safety, the related parameter values of optimum type correspondence is sent to function ECU, make function ECU call flash and write with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter optimum type correspondence, the calibration value and the unified management of writing with a brush dipped in Chinese ink driver of each function ECU correlation parameter have been realized, save resource, improved treatment effeciency and the security of each function ECU.In addition, by demarcating certainly, can allow automobile needn't go car load producer or commission merchant to carry out writing with a brush dipped in Chinese ink again of program, only need upgrading to demarcate the related data memory block of ECU, allow automobile become intelligent more, can allow car in real time according to traveling state of vehicle, the correlation parameter of real time altering vehicle under this kind environment and this kind driving habits, improve the fuel-economy type of automobile, guaranteed dynamic property, security and the environmental-protecting performance of vehicle.
Referring to Fig. 4, present embodiment provides a kind of device of realizing parameter self-calibration, comprising:
Receiver module 301 is used for the current relevant parameter value that receiving function electronic control unit ECU sends;
Matching module 302, the current relevant parameter value that is used for receiver module 301 is received is carried out optimum type matching, obtains optimum type;
Sending module 303 is used for that flash memory flash is write with a brush dipped in Chinese ink driver and sends to function ECU;
Judge module 304, whether the application program that is used for arbitration functions ECU suspends safety, if safety, the related parameter values of the optimum type correspondence that matching module 302 is obtained sends to function ECU, makes function ECU call the flash that sending module 303 sends and writes with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter optimum type correspondence.
Wherein, referring to Fig. 5, matching module 302 comprises:
Matching unit 302a, the current relevant parameter value that is used for receiver module 301 is received is carried out optimum type matching;
Judging unit 302b is used to judge whether self has match-type, if having, with match-type as optimum type, if do not have, with immediate type as optimum type.
Wherein, judge module 304, if also be used for dangerously, whether the application program of carrying out arbitration functions ECU suspends the step of safety.
The device that present embodiment provides, current relevant parameter value by receiving function electronic control unit ECU transmission, current relevant parameter value is carried out optimum type matching, obtain optimum type, flash memory flash is write with a brush dipped in Chinese ink driver send to function ECU, whether the application program of arbitration functions ECU suspends safety, if safety, the related parameter values of optimum type correspondence is sent to function ECU, make function ECU call flash and write with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter optimum type correspondence, the calibration value and the unified management of writing with a brush dipped in Chinese ink driver of each function ECU correlation parameter have been realized, save resource, improved treatment effeciency and the security of each function ECU.In addition, by demarcating certainly, can allow automobile needn't go car load producer or commission merchant to carry out writing with a brush dipped in Chinese ink again of program, only need upgrading to demarcate the related data memory block of ECU, allow automobile become intelligent more, can allow car in real time according to traveling state of vehicle, the correlation parameter of real time altering vehicle under this kind environment and this kind driving habits, improve the fuel-economy type of automobile, guaranteed dynamic property, security and the environmental-protecting performance of vehicle.
All or part of content in the technical scheme that above embodiment provides can realize that its software program is stored in the storage medium that can read by software programming, storage medium for example: the hard disk in the computing machine, CD or floppy disk.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a method that realizes parameter self-calibration is characterized in that, described method comprises:
The current relevant parameter value that receiving function electronic control unit ECU sends;
Described current relevant parameter value is carried out optimum type matching, obtain optimum type;
Flash memory flash is write with a brush dipped in Chinese ink driver send to described function ECU;
Whether the application program of judging described function ECU suspends safety, if safety, the related parameter values of optimum type correspondence is sent to described function ECU, make described function ECU call described flash and write with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter described optimum type correspondence.
2. the method for claim 1 is characterized in that, described described current relevant parameter value is carried out optimum type matching, obtains optimum type and comprises:
Described current relevant parameter value is carried out optimum type matching;
Judge whether self has match-type, if having, with described match-type as described optimum type, if do not have, with immediate type as optimum type.
3. the method for claim 1 is characterized in that, describedly flash is write with a brush dipped in Chinese ink driver sends to described function ECU and comprises:
Described flash is write with a brush dipped in Chinese ink driver send to described function ECU by the CAN bus.
4. the method for claim 1 is characterized in that, described related parameter values with optimum type correspondence sends to described function ECU and comprises:
The related parameter values of described optimum type correspondence is sent to described function ECU by the CAN bus.
5. the method for claim 1 is characterized in that, described method also comprises:
If dangerous, carry out the application program judge described function ECU and suspend whether safe step.
6. the method for claim 1 is characterized in that, comprises before the current relevant parameter value that described receiving function ECU sends:
Described function ECU judges that whether described current relevant parameter value is typical, if not, sends described current relevant parameter value.
7. a device of realizing parameter self-calibration is characterized in that, described device comprises:
Receiver module is used for the current relevant parameter value that receiving function electronic control unit ECU sends;
Matching module, the current relevant parameter value that is used for described receiver module is received is carried out optimum type matching, obtains optimum type;
Sending module is used for that flash memory flash is write with a brush dipped in Chinese ink driver and sends to described function ECU;
Judge module, whether the application program that is used to judge described function ECU suspends safety, if safety, the related parameter values of the optimum type correspondence that matching module is obtained sends to described function ECU, makes described function ECU call the flash that described sending module sends and writes with a brush dipped in Chinese ink the related parameter values that driver is revised as the value of correlation parameter described optimum type correspondence.
8. device as claimed in claim 7 is characterized in that, described matching module comprises:
Matching unit, the current relevant parameter value that is used for described receiver module is received is carried out optimum type matching;
Judging unit is used to judge whether self has match-type, if having, with described match-type as described optimum type, if do not have, with immediate type as optimum type.
9. device as claimed in claim 7 is characterized in that, whether safe described judge module if also be used for dangerously, carried out the application program judge described function ECU and suspended step.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104986281A (en) * | 2015-07-09 | 2015-10-21 | 郑磊 | Self-adapting manual-automatic integrated power-driven balance vehicle |
| CN106874055A (en) * | 2017-03-07 | 2017-06-20 | 上海怿星电子科技有限公司 | A kind of method and apparatus for writing with a brush dipped in Chinese ink test automatically for automobile ECU program |
| CN108170117A (en) * | 2017-11-24 | 2018-06-15 | 宁波兴为汽车电子有限公司 | A kind of method and system of vehicle module parameter automatic identification distribution |
| CN112526972A (en) * | 2020-11-30 | 2021-03-19 | 北京车和家信息技术有限公司 | Self-calibration method, self-calibration device, readable storage medium and electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986281A (en) * | 2015-07-09 | 2015-10-21 | 郑磊 | Self-adapting manual-automatic integrated power-driven balance vehicle |
| CN104986281B (en) * | 2015-07-09 | 2017-12-08 | 郑磊 | A kind of manual-automation integrated electric balance car that can be adaptive |
| CN106874055A (en) * | 2017-03-07 | 2017-06-20 | 上海怿星电子科技有限公司 | A kind of method and apparatus for writing with a brush dipped in Chinese ink test automatically for automobile ECU program |
| CN106874055B (en) * | 2017-03-07 | 2020-01-31 | 上海怿星电子科技有限公司 | method and device for automatic flash test of automobile ECU program |
| CN108170117A (en) * | 2017-11-24 | 2018-06-15 | 宁波兴为汽车电子有限公司 | A kind of method and system of vehicle module parameter automatic identification distribution |
| CN112526972A (en) * | 2020-11-30 | 2021-03-19 | 北京车和家信息技术有限公司 | Self-calibration method, self-calibration device, readable storage medium and electronic equipment |
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