CN102358290A - Vehicle information processing method and system and PCU (Power Control Unit) - Google Patents
Vehicle information processing method and system and PCU (Power Control Unit) Download PDFInfo
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Abstract
The invention discloses a vehicle information processing method and system and a PCU (Power Control Unit). The vehicle information processing method is applied to a vehicle provided with a power system assembly electro control unit PCU and comprises the following steps of: acquiring vehicle data by the PCU through a sensor and vehicular communication; identifying the vehicle data to obtain state identification parameters of the vehicle and calculating traveling proposed parameters of the vehicle according to a preset control strategy; and outputting at least one of the vehicle data, the state identification and the traveling proposed parameter to a display device for displaying. The vehicle information processing method and system can be used for processing various vehicle data through the PCU and outputting and displaying related driving proposed parameters through the display device, thereby providing reference for a vehicle driver and promoting the driving experience; in addition, various parameters can be remotely transmitted to an information management center through the PCU, so that the information management center is capable of monitoring the real-time state of the vehicle, and thus a data support can be provided for matching of a vehicle power assembly system.
Description
Technical field
The application relates to the vehicle communication technical field, particularly relates to a kind of information of vehicles processing method, system and PCU (Power Control Unit, power system assembly ECU) controller.
Background technology
In the prior art, vehicle can show the essential information of vehicle-state through combination instrument, for example, fuel tank oil mass, engine speed, the speed of a motor vehicle, total kilometrage, instantaneous oil consumption etc., above-mentioned essential information can be recorded in the automobile-used Tachographs.
The contriver finds that in the research process to prior art because combined instrument for vehicle only can show the essential information of vehicle-state, these information are fairly simple, is difficult to vehicle user rational driving suggestion is provided according to these information; In addition; The coupling of vehicle engine assembly system influences the performance of vehicle; Prior art is the test figures of basic obtained performance usually with emulation; And the status information in the process of vehicle ' is difficult in time be transferred to background system, therefore the data support can't be provided for the coupling of vehicle engine assembly system.
Summary of the invention
The application embodiment provides a kind of information of vehicles processing method, system and pcu controller, is difficult to the user problem of driving suggestion is provided to solve existing car status information.
In order to solve the problems of the technologies described above, the application embodiment discloses following technical scheme:
A kind of information of vehicles processing method is applied to be provided with in the vehicle of power system assembly ECU pcu controller, and said method comprises:
Said pcu controller obtains vehicle data through sensor and vehicle-carrying communication;
Discern said vehicle data, obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle;
Exporting at least a in said vehicle data, state recognition parameter, the driving recommendations parameter shows to read out instrument.
Said sensor inserts said pcu controller through self signal wire (SW), perhaps inserts said pcu controller through the CAN bus;
Adopt at least a following manner, said pcu controller obtains vehicle data through sensor:
Said pcu controller obtains car speed through car speed sensor;
Said pcu controller obtains bar pressure through atmospheric-pressure sensor;
Said pcu controller obtains ambient-air temperature through atmosphere temperature transducer;
Said pcu controller obtains grade information through Slope Transducer.
Adopt at least a following manner, said pcu controller obtains vehicle data through vehicle-carrying communication and comprises:
Said pcu controller obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW);
Said pcu controller obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus;
Pcu controller obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus;
Pcu controller obtains the GPS locating information of vehicle through built-in GPS module.
The state recognition parameter of said acquisition vehicle comprises:
Resolve the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle;
Judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting;
Running state according to said engine speed information and engine torque information acquisition vehicle.
Said driving recommendations parameter according to feed forward control policy calculation vehicle comprises:
The current throttle information of collection vehicle speed, current gear and preset ratio;
Judge cooresponding first car speed of current throttle information of the above preset ratio of curve that lowers category, and cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades;
When said car speed during less than said first car speed, reduce said current gear, when said car speed during, improve said current gear greater than said second car speed.
Also comprise:
At least one parameters remote in said state recognition parameter and the driving recommendations parameter is transferred to Center For Information Management, so that said Center For Information Management is according to the parameter update vehicle information database that receives.
A kind of information of vehicles disposal system comprises: be arranged on power system assembly ECU pcu controller and read out instrument on the vehicle,
Said pcu controller; Be used for obtaining vehicle data through sensor and vehicle-carrying communication; Discern said vehicle data; Obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle, export at least a in said vehicle data, state recognition parameter, the driving recommendations parameter to read out instrument;
Said read out instrument is used for the data of said pcu controller output are shown.
Also comprise:
Center For Information Management is used for receiving the state recognition parameter of said pcu controller remote transmission and at least one of driving recommendations parameter, and according to the parameter update vehicle information database that receives.
A kind of pcu controller, said pcu controller is arranged on the vehicle, comprising:
Acquiring unit is used for obtaining vehicle data through sensor and vehicle-carrying communication;
Diagnosis unit are used to discern said vehicle data, obtain the state recognition parameter of vehicle;
Calculating unit is used for the driving recommendations parameter according to feed forward control policy calculation vehicle;
Output unit, what be used for exporting said vehicle data, state recognition parameter, driving recommendations parameter at least aly shows to read out instrument.
Said acquiring unit adopts at least a following manner to obtain vehicle data:
Said acquiring unit obtains car speed through car speed sensor;
Said acquiring unit obtains bar pressure through atmospheric-pressure sensor;
Said acquiring unit obtains ambient-air temperature through atmosphere temperature transducer;
Said acquiring unit obtains grade information through Slope Transducer;
Said acquiring unit obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW);
Said acquiring unit obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus;
Said acquiring unit obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus;
Said acquiring unit obtains the GPS locating information of vehicle through built-in GPS module.
Said diagnosis unit adopt at least a following manner to obtain the state recognition parameter of vehicle:
Said diagnosis unit are resolved the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle;
Said diagnosis unit judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting;
Said diagnosis unit are according to the running state of said engine speed information and engine torque information acquisition vehicle.
Said calculating unit comprises:
Information acquisition unit is used for the current throttle information of collection vehicle speed, current gear and preset ratio;
The speed judging unit is used to judge lower category cooresponding first car speed of current throttle information of the above preset ratio of curve and cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades;
The gear adjustment unit is used for reducing said current gear when said car speed during less than said first car speed, when said car speed during greater than said second car speed, improves said current gear.
Also comprise:
Transmission unit is used at least one parameters remote of said state recognition parameter and driving recommendations parameter is transferred to Center For Information Management, so that said Center For Information Management is according to the parameter update vehicle information database that receives.
Can find out by the foregoing description; Pcu controller obtains vehicle data through sensor and vehicle-carrying communication; Discern said vehicle data; Obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle, at least a in output vehicle data, state recognition parameter, the driving recommendations parameter shows to read out instrument.Use the application embodiment, can handle various vehicle datas, and show relevant driving proposed parameter, thereby can reference be provided, promoted to drive and experienced for the vehicle driver through read out instrument output by pcu controller; In addition, can various parameters remotes be transferred to Center For Information Management, make Center For Information Management to monitor, thereby the data support is provided for the coupling of vehicle engine assembly system the real-time status of vehicle through pcu controller.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously; For those of ordinary skills, under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first embodiment diagram of circuit of the application's information of vehicles processing method;
Fig. 2 A is the second embodiment diagram of circuit of the application's information of vehicles processing method;
Fig. 2 B is a kind of display interface scheme drawing of read out instrument;
Fig. 3 is the first embodiment block diagram of the application's information of vehicles disposal system;
Fig. 4 is the second embodiment block diagram of the application's information of vehicles disposal system;
Fig. 5 is the first embodiment block diagram of the application's pcu controller;
Fig. 6 is the second embodiment block diagram of the application's pcu controller.
The specific embodiment
The following embodiment of the present invention provides a kind of information of vehicles processing method, system and pcu controller.
In order to make those skilled in the art person understand the technical scheme in the embodiment of the invention better; And make the above-mentioned purpose of the embodiment of the invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing technical scheme in the embodiment of the invention done further detailed explanation.
Referring to Fig. 1, be the first embodiment diagram of circuit of application information of vehicles processing method, this embodiment is applied to be provided with in the vehicle of power system assembly ECU pcu controller:
Step 101:PCU controller obtains vehicle data through sensor and vehicle-carrying communication.
Wherein, sensor can insert pcu controller through self signal wire (SW), perhaps inserts pcu controller through the CAN bus.
Concrete, adopting at least a following manner, pcu controller obtains vehicle data through sensor: said pcu controller obtains car speed through car speed sensor; Said pcu controller obtains bar pressure through atmospheric-pressure sensor; Said pcu controller obtains ambient-air temperature through atmosphere temperature transducer; Said pcu controller obtains grade information through Slope Transducer.
Concrete, adopting at least a following manner, pcu controller obtains vehicle data through vehicle-carrying communication and comprises: said pcu controller obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW); Said pcu controller obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus; Pcu controller obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus; Pcu controller obtains the GPS locating information of vehicle through built-in GPS module.
Step 102: discern this vehicle data, obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle.
Concrete, the state recognition parameter that obtains vehicle comprises: resolve the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle; Judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting; Running state according to said engine speed information and engine torque information acquisition vehicle.
Concrete; According to the driving recommendations parameter of feed forward control policy calculation vehicle the time; Can collection vehicle speed, the current throttle information of current gear and preset ratio, judge cooresponding first car speed of current throttle information of the above preset ratio of curve that lowers category and cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades; When said car speed during less than said first car speed; Reduce said current gear,, improve said current gear when said car speed during greater than said second car speed.
Step 103: at least a in output vehicle data, state recognition parameter, the driving recommendations parameter shows to read out instrument.
Referring to Fig. 2 A; The second embodiment diagram of circuit for the application's information of vehicles processing method; This embodiment is applied to be provided with in the vehicle of power system assembly ECU pcu controller, show in detail vehicle data handled after, output shows and is transferred to the process of Center For Information Management:
Step 201:PCU controller obtains vehicle data through sensor and vehicle-carrying communication.
Wherein, various sensors can be set on vehicle, these sensors can insert pcu controller through self signal wire (SW), perhaps insert pcu controller through the CAN bus, to pcu controller various metrical informations are provided; EDC (engine electric-controlled) unit of driving engine can pass through the total wire joint pcu controller of CAN on the vehicle simultaneously, to pcu controller the driving engine relevant information is provided.
Concrete, adopting at least a following manner, pcu controller obtains vehicle data through sensor: said pcu controller obtains car speed through car speed sensor; Said pcu controller obtains bar pressure through atmospheric-pressure sensor; Said pcu controller obtains ambient-air temperature through atmosphere temperature transducer; Said pcu controller obtains grade information through Slope Transducer.
Concrete, adopting at least a following manner, pcu controller obtains vehicle data through vehicle-carrying communication and comprises: said pcu controller obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW); Said pcu controller obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus; Pcu controller obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus; Pcu controller obtains the GPS locating information of vehicle through built-in GPS module.
Step 202: discern said vehicle data, obtain the state recognition parameter of vehicle.
Wherein, the state recognition parameter that obtains vehicle comprises: resolve the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle; Judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting; Running state according to said engine speed information and engine torque information acquisition vehicle.
In the present embodiment; Be provided with the GPS module in the PCU control; This GPS module can be gathered satellite positioning information in real time, sends to the central process unit of pcu controller through serial ports, and central authorities handle the information such as latitude and longitude information, direction information, speed etc. that from satellite positioning information, parse.
In the present embodiment; Can be through the grade information that acceleration pick-up obtains vehicle be set, for accuracy rate and the stability that guarantees take off data, the system of axes that can when measuring the gradient, set up; Wherein the barycenter with vehicle is an initial point; Vehicle forward direction is the X axle, and pointing to right direction perpendicular to vehicle forward direction is the Y axle, and the direction in the vertical domatic sensing of road the earth's core is the Z axle.Acceleration pick-up is fixed on the car body; When vehicle goes on the slope; Measure the component gx of acceleration due to gravity on the X axle, according to utilizing the inverse circular function formula to obtain the gradient θ=arcsing of vehicle ' road perpendicular to the acceleration due to gravity of the earth's core and constant magnitude all the time
x/ g; Perhaps, measure the component gz of acceleration due to gravity on the Z axle, obtain the gradient θ=arccosg of vehicle ' road according to the inverse circular function formula
z/ g.
In the present embodiment, can also utilize rotary speed information and torque information to judge the present operation conditions of driving engine, operation conditions can be divided into economical consumption of fuel district, inferior economical consumption of fuel district, high oil consumption district, low power district, low load region etc.
Step 203: according to the driving recommendations parameter of feed forward control policy calculation vehicle.
Most important parameter is the gear recommended parameter in the driving recommendations parameter; Can collection vehicle speed when calculating this parameter, the current throttle information of current gear and preset ratio; Judge cooresponding first car speed of current throttle information of the above preset ratio of curve that lowers category; And cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades, when said car speed during, reduce said current gear less than said first car speed; When said car speed during, improve said current gear greater than said second car speed.For example, be V with car current vehicle speed, current gear is 2; The current throttle of preset ratio is 10% throttle, then can fall on 1 grade the curve at 2 grades and search the cooresponding speed V 1 of 10% throttle, and rise on 3 curves of working as at 2 grades and to search the cooresponding speed V 2 of 10% throttle; If V less than V1, then exports the proposed parameter of reducing to 1 grade from 2 grades, if V is greater than V2; Then export the proposed parameter that is upgraded to 3 grades from 2 grades, otherwise keep 2 grades of current gears.
Step 204: export at least a in said vehicle data, state recognition parameter, the driving recommendations parameter and show to read out instrument.
Shown in Fig. 2 B, be a kind of display interface scheme drawing of read out instrument, wherein be engine operation condition and the prompting of current gear.Need to prove that the demonstration of various data can appear through different interface forms, and this application embodiment is not limited.
Step 205: at least one parameters remote in said state recognition parameter and the driving recommendations parameter is transferred to Center For Information Management.
Remote transmission can adopt the GPRS technology, and this technology is an association high-speed processing technology, is the basis with the packet-switch technology, and vehicle can use various high-speed data services through the GPRS technology under mobile status.
The various parameters that produce in real time on the vehicle can be packaged into data packet; And be sent to Center For Information Management; After the server that is arranged on Center For Information Management receives data packet; According to host-host protocol data packet is resolved, thereby show the various parameters of vehicle in real time, vehicle is realized data monitoring and Position Tracking.
Step 206: Center For Information Management is according to the parameter update vehicle information database that receives.
Corresponding with the embodiment of the application's information of vehicles processing method, the application also provides the embodiment of information of vehicles disposal system and pcu controller.
Referring to Fig. 3, be the first embodiment block diagram of the application's information of vehicles disposal system:
This system comprises: be arranged on pcu controller 310 and read out instrument 320 on the vehicle.
Wherein, Said pcu controller 310; Be used for obtaining vehicle data, discern said vehicle data, obtain the state recognition parameter of vehicle through sensor and vehicle-carrying communication; And, export at least a in said vehicle data, state recognition parameter, the driving recommendations parameter to read out instrument 320 according to the driving recommendations parameter of feed forward control policy calculation vehicle;
Said read out instrument 320 is used for the data of said pcu controller output are shown.
Referring to Fig. 4, be the second embodiment block diagram of the application's information of vehicles disposal system:
This system comprises: pcu controller 410, read out instrument 420 and Center For Information Management 430.
Said pcu controller 410; Be used for obtaining vehicle data through sensor and vehicle-carrying communication; Discern said vehicle data; Obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle, export at least a in said vehicle data, state recognition parameter, the driving recommendations parameter to read out instrument;
Said read out instrument 420 is used for the data of said pcu controller output are shown;
Center For Information Management 430 is used for receiving the state recognition parameter of said pcu controller remote transmission and at least one of driving recommendations parameter, and according to the parameter update vehicle information database that receives.
Concrete, sensor inserts said pcu controller through self signal wire (SW), perhaps inserts said pcu controller through the CAN bus.
Can adopt following at least a mode when wherein, said pcu controller obtains vehicle data through sensor: said pcu controller obtains car speed through car speed sensor; Said pcu controller obtains bar pressure through atmospheric-pressure sensor; Said pcu controller obtains ambient-air temperature through atmosphere temperature transducer; Said pcu controller obtains grade information through Slope Transducer.
Can adopt following at least a mode when wherein, said pcu controller obtains vehicle data through vehicle-carrying communication: said pcu controller obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW); Said pcu controller obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus; Pcu controller obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus; Pcu controller obtains the GPS locating information of vehicle through built-in GPS module.
Wherein, the state recognition parameter that said pcu controller obtains vehicle comprises following at least a kind of: resolve the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle; Judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting; Running state according to said engine speed information and engine torque information acquisition vehicle.
Wherein, said PCU comprises according to the driving recommendations parameter of feed forward control policy calculation vehicle: the current throttle information of collection vehicle speed, current gear and preset ratio; Judge cooresponding first car speed of current throttle information of the above preset ratio of curve that lowers category, and cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades; When said car speed during less than said first car speed, reduce said current gear, when said car speed during, improve said current gear greater than said second car speed.
Referring to Fig. 5, be the first embodiment block diagram of the application's pcu controller:
This pcu controller comprises: acquiring unit 510, diagnosis unit 520, calculating unit 530 and output unit 540.
Wherein, acquiring unit 510 is used for obtaining vehicle data through sensor and vehicle-carrying communication;
Diagnosis unit 520 are used to discern said vehicle data, obtain the state recognition parameter of vehicle;
Calculating unit 530 is used for the driving recommendations parameter according to feed forward control policy calculation vehicle;
Output unit 540, what be used for exporting said vehicle data, state recognition parameter, driving recommendations parameter at least aly shows to read out instrument.
Referring to Fig. 6, be the second embodiment block diagram of the application's pcu controller:
This pcu controller comprises: acquiring unit 610, diagnosis unit 620, calculating unit 630, output unit 640 and transmission unit 650.
Wherein, acquiring unit 610 is used for obtaining vehicle data through sensor and vehicle-carrying communication;
Diagnosis unit 620 are used to discern said vehicle data, obtain the state recognition parameter of vehicle;
Calculating unit 630 is used for the driving recommendations parameter according to feed forward control policy calculation vehicle;
Output unit 640, what be used for exporting said vehicle data, state recognition parameter, driving recommendations parameter at least aly shows to read out instrument;
Transmission unit 650 is used at least one parameters remote of said state recognition parameter and driving recommendations parameter is transferred to Center For Information Management, so that said Center For Information Management is according to the parameter update vehicle information database that receives.
Concrete, said acquiring unit 610 adopts at least a following manner to obtain vehicle data:
Said acquiring unit 610 obtains car speed through car speed sensor;
Said acquiring unit 610 obtains bar pressure through atmospheric-pressure sensor;
Said acquiring unit 610 obtains ambient-air temperature through atmosphere temperature transducer;
Said acquiring unit 610 obtains grade information through Slope Transducer;
Said acquiring unit 610 obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW);
Said acquiring unit 610 obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus;
Said acquiring unit 610 obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus;
Said acquiring unit 610 obtains the GPS locating information of vehicle through built-in GPS module.
Concrete, said diagnosis unit 620 adopt at least a following manner to obtain the state recognition parameter of vehicle:
Said diagnosis unit 620 are resolved the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle;
Said diagnosis unit 620 judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting;
Said diagnosis unit 620 are according to the running state of said engine speed information and engine torque information acquisition vehicle.
Concrete, said calculating unit 630 can comprise (not shown among Fig. 6):
Information acquisition unit is used for the current throttle information of collection vehicle speed, current gear and preset ratio;
The speed judging unit is used to judge lower category cooresponding first car speed of current throttle information of the above preset ratio of curve and cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades;
The gear adjustment unit is used for reducing said current gear when said car speed during less than said first car speed, when said car speed during greater than said second car speed, improves said current gear.
Description through to above embodiment can be known; Pcu controller obtains vehicle data through sensor and vehicle-carrying communication; Discern said vehicle data; Obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle, at least a in output vehicle data, state recognition parameter, the driving recommendations parameter shows to read out instrument.Use the application embodiment, can handle various vehicle datas, and show relevant driving proposed parameter, thereby can reference be provided, promoted to drive and experienced for the vehicle driver through read out instrument output by pcu controller; In addition, can various parameters remotes be transferred to Center For Information Management, make Center For Information Management to monitor, thereby the data support is provided for the coupling of vehicle engine assembly system the real-time status of vehicle through pcu controller.
The technology that those skilled in the art can be well understood in the embodiment of the invention can realize by the mode that software adds essential general hardware platform.Based on such understanding; The part that technical scheme in the embodiment of the invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a Personal Computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is the difference with other embodiment.Especially, for system embodiment, because it is basically similar in appearance to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. an information of vehicles processing method is characterized in that, is applied to be provided with in the vehicle of power system assembly ECU pcu controller, and said method comprises:
Said pcu controller obtains vehicle data through sensor and vehicle-carrying communication;
Discern said vehicle data, obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle;
Exporting at least a in said vehicle data, state recognition parameter, the driving recommendations parameter shows to read out instrument.
2. method according to claim 1 is characterized in that, said sensor inserts said pcu controller through self signal wire (SW), perhaps inserts said pcu controller through the CAN bus;
Adopt at least a following manner, said pcu controller obtains vehicle data through sensor:
Said pcu controller obtains car speed through car speed sensor;
Said pcu controller obtains bar pressure through atmospheric-pressure sensor;
Said pcu controller obtains ambient-air temperature through atmosphere temperature transducer;
Said pcu controller obtains grade information through Slope Transducer.
3. method according to claim 2 is characterized in that, adopts at least a following manner, and said pcu controller obtains vehicle data through vehicle-carrying communication and comprises:
Said pcu controller obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW);
Said pcu controller obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus;
Pcu controller obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus;
Pcu controller obtains the GPS locating information of vehicle through built-in GPS module.
4. method according to claim 3 is characterized in that, the state recognition parameter of said acquisition vehicle comprises:
Resolve the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle;
Judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting;
Running state according to said engine speed information and engine torque information acquisition vehicle.
5. method according to claim 4 is characterized in that, said driving recommendations parameter according to feed forward control policy calculation vehicle comprises:
The current throttle information of collection vehicle speed, current gear and preset ratio;
Judge cooresponding first car speed of current throttle information of the above preset ratio of curve that lowers category, and cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades;
When said car speed during less than said first car speed, reduce said current gear, when said car speed during, improve said current gear greater than said second car speed.
6. method according to claim 1 is characterized in that, also comprises:
At least one parameters remote in said state recognition parameter and the driving recommendations parameter is transferred to Center For Information Management, so that said Center For Information Management is according to the parameter update vehicle information database that receives.
7. an information of vehicles disposal system is characterized in that, comprising: be arranged on power system assembly ECU pcu controller and read out instrument on the vehicle,
Said pcu controller; Be used for obtaining vehicle data through sensor and vehicle-carrying communication; Discern said vehicle data; Obtain the state recognition parameter of vehicle, and according to the driving recommendations parameter of feed forward control policy calculation vehicle, export at least a in said vehicle data, state recognition parameter, the driving recommendations parameter to read out instrument;
Said read out instrument is used for the data of said pcu controller output are shown.
8. system according to claim 7 is characterized in that, also comprises:
Center For Information Management is used for receiving the state recognition parameter of said pcu controller remote transmission and at least one of driving recommendations parameter, and according to the parameter update vehicle information database that receives.
9. a pcu controller is characterized in that, said pcu controller is arranged on the vehicle, comprising:
Acquiring unit is used for obtaining vehicle data through sensor and vehicle-carrying communication;
Diagnosis unit are used to discern said vehicle data, obtain the state recognition parameter of vehicle;
Calculating unit is used for the driving recommendations parameter according to feed forward control policy calculation vehicle;
Output unit, what be used for exporting said vehicle data, state recognition parameter, driving recommendations parameter at least aly shows to read out instrument.
10. pcu controller according to claim 9 is characterized in that, said acquiring unit adopts at least a following manner to obtain vehicle data:
Said acquiring unit obtains car speed through car speed sensor;
Said acquiring unit obtains bar pressure through atmospheric-pressure sensor;
Said acquiring unit obtains ambient-air temperature through atmosphere temperature transducer;
Said acquiring unit obtains grade information through Slope Transducer;
Said acquiring unit obtains the Isolating Switch signal and the brake switch signal of vehicle through signal wire (SW);
Said acquiring unit obtains engine speed information, engine torque information, the throttle information of control unit of engine transmission through the CAN bus;
Said acquiring unit obtains the intake temperature information and the intake pressure information of vehicle through the CAN bus;
Said acquiring unit obtains the GPS locating information of vehicle through built-in GPS module.
11. pcu controller according to claim 10 is characterized in that, said diagnosis unit adopt at least a following manner to obtain the state recognition parameter of vehicle:
Said diagnosis unit are resolved the GPS locating information, obtain latitude and longitude information, direction information and the velocity information of vehicle;
Said diagnosis unit judge that according to the grade information of said GPS locating information and vehicle the road conditions of going of vehicle are high-speed road conditions, hill path road conditions, urban traffic situation or the road conditions of jolting;
Said diagnosis unit are according to the running state of said engine speed information and engine torque information acquisition vehicle.
12. pcu controller according to claim 11 is characterized in that, said calculating unit comprises:
Information acquisition unit is used for the current throttle information of collection vehicle speed, current gear and preset ratio;
The speed judging unit is used to judge lower category cooresponding first car speed of current throttle information of the above preset ratio of curve and cooresponding second car speed of the current throttle information of preset ratio on the curve that upgrades;
The gear adjustment unit is used for reducing said current gear when said car speed during less than said first car speed, when said car speed during greater than said second car speed, improves said current gear.
13. pcu controller according to claim 9 is characterized in that, also comprises:
Transmission unit is used at least one parameters remote of said state recognition parameter and driving recommendations parameter is transferred to Center For Information Management, so that said Center For Information Management is according to the parameter update vehicle information database that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110250292.0A CN102358290B (en) | 2011-08-29 | 2011-08-29 | Vehicle information processing method and system and PCU (Power Control Unit) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110250292.0A CN102358290B (en) | 2011-08-29 | 2011-08-29 | Vehicle information processing method and system and PCU (Power Control Unit) |
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| CN102358290B CN102358290B (en) | 2015-05-13 |
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| CN102358290B (en) | 2015-05-13 |
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