CN105128853A - System used for calculating driving mileage of extended-range hybrid power automobile - Google Patents
System used for calculating driving mileage of extended-range hybrid power automobile Download PDFInfo
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- CN105128853A CN105128853A CN201510552409.9A CN201510552409A CN105128853A CN 105128853 A CN105128853 A CN 105128853A CN 201510552409 A CN201510552409 A CN 201510552409A CN 105128853 A CN105128853 A CN 105128853A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/246—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
- B60W2530/209—Fuel quantity remaining in tank
Abstract
A system used for calculating the driving mileage of an extended-range hybrid power automobile is technically characterized in that in the power battery load state, the highest temperature of power batteries, the lowest temperature of the power batteries and voltage difference between the single power batteries are sequentially connected with a vehicle control unit with a driving millage calculation model; oil amount information is connected with the vehicle control unit with the driving millage calculation model through an oil level sensor; a driving motor works, and a controller of the driving motor is connected with the vehicle control unit with the driving millage calculation model; an engine works and is connected with vehicle control unit with the driving millage calculation model through engine control; the vehicle control unit is connected with a vehicle-mounted display instrument. A current mode is judged, and the drilling millage is calculated under the condition of pure electric mode driving; the driving millage is calculated under the condition that driving is performed in an extended-range mode and remaining fuel oil is used up earlier than remaining electricity of the power batteries.
Description
Technical field
The present invention relates to hybrid vehicle technical field of electronic control, specifically, relating to a kind of system for calculating stroke lengthening hybrid power automobile continual mileage.
Background technology
The research and development of new-energy automobile and going into operation more and more are subject to each car and reach the attention of government department.But new-energy automobile is because of the limitation of electrokinetic cell in energy density, life-span, price etc., its price and continual mileage are all difficult compared with orthodox car, therefore integrate one of stroke lengthening hybrid power automobile research emphasis becoming new-energy automobile of petroleum-based energy and new forms of energy.The driving mode of extended-range hybrid electric vehicle comprises pure motor driving pattern and increases journey driving mode, and pure motor driving pattern is that vehicle motor does not start, the pattern only providing energy to travel by electrokinetic cell for main drive motor and other annex.Increasing journey driving mode is that vehicle motor starts, and is undertaken generating electricity and be pattern that main drive motor and car load annex provide energy to travel jointly with electrokinetic cell for power battery charging and for main drive motor and car load annex provide energy or undertaken generating electricity by driving engine simultaneously by driving engine.
Although traditional oil measurer and electricity meter can roughly show remaining energy, because applying working condition is different, chaufeur can not obtain enough information to confirm whether vehicle can travel the distance of demand from oil measurer and electricity meter.For chaufeur, accurately can predict the continual mileage of vehicle, to understanding information of vehicles reasonable employment vehicle is extremely important.
In the process of research and development stroke lengthening hybrid power automobile, how by relatively accurate for car load continual mileage and reasonably carry out calculating and show not only extremely important, and very difficult.Because stroke lengthening hybrid power automobile has two cover energy resource systems and two cover power systems, so vehicle has different mode of operations; Consider the driving habit of chaufeur again, this makes car load continual mileage calculate and becomes complex, usually need the current driving habit of the driving habit according to chaufeur history, chaufeur, each spare parts logistics of vehicle judges and prediction, make the continual mileage of vehicle can either reflect current vehicle condition in real time, be unlikely to again to make because of some disturbing factor vehicle continual mileage produce larger fluctuation.
China Patent Publication No. is that patent discloses of CN104442817A a kind ofly shows the hybrid vehicle residue method of continual mileage and device, first the method judges current driving mileage, when current driving mileage is less than the first distance, display oil residue continual mileage and display electricity residue continual mileage are associated with vehicle history oil consumption level and history power consumption level; And when current driving mileage is greater than second distance, display oil remains continual mileage and shows electricity residue continual mileage and vehicle history oil consumption level and history power consumption level unconnected.This patent also discloses a kind of device showing hybrid vehicle residue continual mileage, and its system comprises display instrument and continual mileage calculating unit.Compare from continual mileage method of calculating, when continual mileage method of calculating in above-mentioned patent is applied on stroke lengthening hybrid power automobile, because the structure of stroke lengthening hybrid power automobile and type of drive all have a great difference with described in above-mentioned patent, and this kind of method only judges current driving mileage, select whether associate history oil consumption level and history power consumption level, and do not consider more polynary condition, work as external temperature, larger deviation can be produced during vehicle-state change, so above-mentioned patent has very large deficiency on stroke lengthening hybrid power automobile continual mileage calculates.In addition, unnecessary fluctuation is likely produced at the computing node place of above-mentioned patent.Compare from system configuration, above-mentioned patent is made up of jointly display instrument, continual mileage calculating unit, HCU and CAN, and this all has larger optimization space in structure, cost and arithmetic speed.
Summary of the invention
The object of this invention is to provide a kind of system for calculating stroke lengthening hybrid power automobile continual mileage, having calculated inaccurate, that the existence of continual mileage displayed value suddenlys change and continual mileage display cost is high on computing node problem to solve stroke lengthening hybrid power automobile continual mileage.
The object of the invention is to realize by following technical solution:
A kind of system for calculating stroke lengthening hybrid power automobile continual mileage, it includes power battery charged state unit, electrokinetic cell highest temperature unit, electrokinetic cell minimum temperature unit, voltage difference unit between electrokinetic cell monomer, and oil mass message unit, drive motor working cell, engine operation unit, it is characterized in that, described power battery charged state unit, electrokinetic cell highest temperature unit, electrokinetic cell minimum temperature unit and voltage difference unit between electrokinetic cell monomer are connected with the input end of the entire car controller of band continual mileage computation model successively, oil mass message unit is connected by the input end of fuel level sensor with the entire car controller of band continual mileage computation model, drive motor working cell is connected by the input end of its electric machine controller with the entire car controller of band continual mileage computation model, engine operation unit is connected by the input end of control unit of engine with the entire car controller of band continual mileage computation model, the mouth of entire car controller is connected with car-mounted display instrument.
Undertaken calculating and processing by entire car controller, obtain electrokinetic cell dump energy under current state, as the input variable of continual mileage computing module.Oil mass information is gathered by fuel level sensor, and the original signal collected is input to entire car controller, carries out filtering process by entire car controller, as the input variable of continual mileage computing module and the output display of instrument.Drive motor operation point processing method is by torque during electric machine controller collection machine operation, rotating speed, voltage, electric current, and is transferred to entire car controller, is undertaken processing and calculating, as the input variable of continual mileage computing module by entire car controller.Engine working point processing method is the torque, the rotating speed that are gathered driving engine by engine electric-controlled unit, and is transferred to entire car controller, is undertaken processing and calculating, as the input variable of continual mileage computing module by entire car controller.In the present invention, entire car controller refers to the controller that stroke lengthening hybrid power automobile controls car load, is carried by continual mileage computing module and can make full use of entire car controller resource into entire car controller, thus realize cost-saving object.In the present invention, onboard instruments is the instrument developed specially for new energy vehicle, carries out communication by CAN and entire car controller, receives entire car controller instruction and shows, and the part related in the present invention is that continual mileage display and oil mass show.
Described method comprises: judge current driving pattern, and when travelling with electric-only mode, the calculating of continual mileage is not predicted, calculates continual mileage according to current oil mass, current electric quantity and driving habit; When with increase journey pattern travel and Fuel Remained by when first exhausting in electrokinetic cell dump energy, car load continual mileage calculate do not predict, according to current oil mass, current electric quantity and engine working point calculate continual mileage; When travelling with hybrid mode, electrokinetic cell dump energy is by when first exhausting in Fuel Remained, and car load continual mileage need be predicted, and calculates continual mileage according to prediction algorithm.Under car load during electricity, the average current drain of current calculating gained and continual mileage are write entire car controller internal memory, when car load powers on again, carries out showing and calculating as initial value.
System of the present invention comprises entire car controller and the onboard instruments of the device of display stroke lengthening hybrid power automobile continual mileage, entire car controller is processed the various information collected and is calculated, and calculating and filtered final continual mileage are input to onboard instruments by CAN; Onboard instruments accepts the CAN information that entire car controller sends, in order to show continual mileage and Fuel Oil Remaining.
When travelling with electric-only mode, the average current drain of continual mileage=(electric energy that under electric-only mode, Fuel Remained can change into+electrokinetic cell dump energy)/unit mileage; The electric energy that under the electric energy that under electric-only mode, Fuel Remained can change into=Fuel Remained total amount * electric-only mode, unit mass fuel oil can change into.
Electrokinetic cell dump energy method of calculating: current power battery charge state (SOC) is obtained electrokinetic cell dump energy as principal parameter, consider following condition and following condition is composed respectively with extinguishing coefficient, condition comprises voltage difference between electrokinetic cell highest temperature, electrokinetic cell minimum temperature, electrokinetic cell monomer, dump energy is multiplied by extinguishing coefficient and obtains the final available dump energy of electrokinetic cell.
The method of calculating of Fuel Remained total amount: the oil mass information gathered by sensor is carried out the filtering compared with small time constant, prevents the fluctuation of the sensor because measuring oil mass from causing the significantly change of continual mileage.
The acquisition methods of the electric energy that unit mass fuel oil can change under electric-only mode: obtained the electric energy all providing unit mass fuel oil during now power to change into by driving engine by offline mode by current driving habit, in this, as the electric energy that unit mass fuel oil under electric-only mode can change into.
When with increase journey pattern travel and Fuel Remained by when first exhausting in electrokinetic cell dump energy, the average current drain of continual mileage=(electric energy+electrokinetic cell dump energy that under current increasing journey pattern, Fuel Remained can change into)/unit mileage; The electric energy that under the electric energy that under current increasing journey pattern, Fuel Remained can change into=Fuel Remained total amount * current increasing journey pattern, unit mass fuel oil can change into; The energy calculate method that under current increasing journey pattern, unit mass fuel oil can change into is: determined by present engine operation point, and the mode of being tabled look-up by Real-Time Monitoring or off-line obtains the electric energy that unit mass fuel oil under current increasing journey pattern can change into.
When travelling with hybrid mode, electrokinetic cell dump energy is by when first exhausting in Fuel Remained, the average current drain of continual mileage=(electric energy+electrokinetic cell electricity that when electrokinetic cell exhausts under current increasing journey pattern, fuel oil can change into exhausts electric energy+electrokinetic cell dump energy that rear prediction fuel oil can change into)/unit mileage.
The energy calculate method that when electrokinetic cell exhausts under current increasing journey pattern, fuel oil can change into is: under current driving habit and power battery charged state, jointly determined by main drive motor operation point and engine working point, in conjunction with current electric consumption rate and fuel consumption rate, dope electrokinetic cell electric quantity consumption to can not again degree of discharge time the fuel oil total mass that consumes, be multiplied by the electric energy that unit mass fuel oil under current increasing journey pattern can change into again, obtain the electric energy that when electrokinetic cell under current increasing journey pattern exhausts, fuel oil can change into.
Electrokinetic cell exhausts the energy calculate method that rear prediction fuel oil can change into: under current driving habit, determined by main drive motor operation point, prediction driving engine becomes the electric energy that when independent energy source provides car load energy requirement, unit mass fuel oil can provide, be multiplied by the forecast quality that electrokinetic cell electricity exhausts rear Fuel Remained again, obtain electrokinetic cell electricity and exhaust the electric energy that rear prediction fuel oil can change into.
Under car load during electricity, the average current drain of current calculating gained and continual mileage are write entire car controller internal memory.When car load powers on again, first read the average current drain after last subnormal lower electricity, read the information about electrokinetic cell and deposit fuel oil in current vehicle condition simultaneously, calculated the initial value of Current vehicle continual mileage by the two.
Before exporting car load continual mileage to instrument, carry out filtering to car load continual mileage, time constant filter is selected very large.Filter constant refers to when car load calculates continual mileage change, the sensitivity that instrument display continual mileage changes this, and filter constant is larger, and above-mentioned sensitivity is less.
The difficult point and the defect that the present invention is directed to prior art provide a kind of method systematically calculating stroke lengthening hybrid power automobile continual mileage, and method can be estimated continual mileage more exactly accordingly.The present invention has taken into full account the factor that can affect stroke lengthening hybrid power automobile continual mileage, comprise voltage difference between electrokinetic cell highest temperature, electrokinetic cell minimum temperature, electrokinetic cell monomer, power battery charged state, Fuel Oil Remaining, driver custom, these factors are carried out organic assembling according to different influence degrees and influence mode, form a system engineering, make estimating of continual mileage more accurate; Simultaneously the present invention also utilizes entire car controller to carry out filtering to oil mass, continual mileage, enable oil mass and continual mileage be presented at reply external interference time more stable; And utilize entire car controller to store history average current drain, after car load is re-powered, still can show continual mileage continuously and exactly relative to a front drive cycle.According to the present invention, the continual mileage accuracy of vehicle can be greatly improved, and under the impact of extraneous interfering signal, there is good stability, when re-powering again after electricity under car load, continual mileage can be accustomed to from historic records smooth transition to current driving state, therefore chaufeur can make corresponding judgement according to the continual mileage of display, thus significantly improves the driving of vehicle.
Accompanying drawing explanation
Accompanying drawing 1 is for showing the schematic diagram of the device mode of operation of stroke lengthening hybrid power automobile continual mileage in embodiments of the invention;
Fig. 2 is for calculating the diagram of circuit of stroke lengthening hybrid power automobile continual mileage method in embodiments of the invention.
Detailed description of the invention
example 1
Below in conjunction with accompanying drawing, enforcement principle of the present invention is described in detail: Fig. 1 is the schematic diagram for showing stroke lengthening hybrid power automobile continual mileage device mode of operation according to an embodiment of the invention.As shown in Figure 1, apparatus of the present invention comprise signal acquiring system, entire car controller continual mileage computing module and onboard instruments three parts altogether.
The all information relevant to continual mileage are collected in the effect of acquisition of signal part, and are aggregated into entire car controller and process.In signal acquiring system, between power battery charged state, electrokinetic cell highest temperature, electrokinetic cell minimum temperature, electrokinetic cell monomer, voltage difference is undertaken gathering and being aggregated into entire car controller by car load power battery management system, undertaken calculating and processing by entire car controller, obtain electrokinetic cell dump energy under current state, as the input variable of continual mileage computing module.Oil mass information is gathered by fuel level sensor, and the original signal collected is input to entire car controller, carries out filtering process by entire car controller, as the input variable of continual mileage computing module and the output display of instrument.
Drive motor operation point processing method is by torque during electric machine controller collection machine operation, rotating speed, voltage, electric current, and is transferred to entire car controller, is undertaken processing and calculating, as the input variable of continual mileage computing module by entire car controller.
Engine working point processing method is the torque, the rotating speed that are gathered driving engine by engine electric-controlled unit, and is transferred to entire car controller, is undertaken processing and calculating, as the input variable of continual mileage computing module by entire car controller.In the present invention, entire car controller refers to the controller that stroke lengthening hybrid power automobile controls car load, is carried by continual mileage computing module and can make full use of entire car controller resource into entire car controller, thus realize cost-saving object.In the present invention, onboard instruments is the instrument developed specially for new energy vehicle, carries out communication by CAN and entire car controller, receives entire car controller instruction and shows, and the part related in the present invention is that continual mileage display and oil mass show.
Fig. 2 is according to one embodiment of present invention, for calculating the schematic diagram of stroke lengthening hybrid power automobile continual mileage method.Continual mileage computing module is rely on entire car controller, and is mounted in entire car controller.
After car load powers on, continual mileage computing module just gets started operation.First read the average current drain of last registration in internal memory, more progressively revise average current drain according to current running state, continual mileage is shown can transition reposefully, can not produce saltus step because of lower electricity.
Continual mileage module can judge current driving pattern.When driving mode is pure motor driving, following methods is adopted to calculate continual mileage:
The average current drain of continual mileage=(electric energy that under electric-only mode, Fuel Remained can change into+electrokinetic cell dump energy)/unit mileage;
The electric energy that under the electric energy that under electric-only mode, Fuel Remained can change into=Fuel Remained total amount * electric-only mode, unit mass fuel oil can change into;
The method of calculating of electrokinetic cell dump energy: current power battery charge state (SOC) is obtained electrokinetic cell dump energy as principal parameter, consider following condition and following condition is composed respectively with extinguishing coefficient, condition comprises voltage difference between electrokinetic cell highest temperature, electrokinetic cell minimum temperature, electrokinetic cell monomer, dump energy is multiplied by extinguishing coefficient and obtains the final available dump energy of electrokinetic cell;
The method of calculating of Fuel Oil Remaining: the oil mass information gathered by sensor is carried out the filtering compared with small time constant, prevents the fluctuation of the sensor because measuring oil mass from causing the significantly change of continual mileage;
The acquisition methods of the electric energy that unit mass fuel oil can change under electric-only mode: obtained the electric energy all providing unit mass fuel oil during now power to change into by driving engine by offline mode by current driving habit, in this, as the electric energy that unit mass fuel oil under electric-only mode can change into.
When driving mode is for increasing journey pattern, and Fuel Remained is by electrokinetic cell dump energy first exhausts when, adopts following methods to calculate continual mileage:
The average current drain of continual mileage=(electric energy+electrokinetic cell dump energy that under current increasing journey pattern, Fuel Remained can change into)/unit mileage;
The electric energy that under the electric energy that under current increasing journey pattern, Fuel Remained can change into=Fuel Remained total amount * current increasing journey pattern, unit mass fuel oil can change into;
The energy calculate method that under current increasing journey pattern, unit mass fuel oil can change into is: determined by present engine operation point, and the mode of being tabled look-up by Real-Time Monitoring or off-line obtains the electric energy that unit mass fuel oil under current increasing journey pattern can change into.
When driving mode is for increasing journey pattern, and electrokinetic cell dump energy is by Fuel Remained first exhausts when,
The average current drain of continual mileage=(electric energy+electrokinetic cell electricity that when electrokinetic cell exhausts under current increasing journey pattern, fuel oil can change into exhausts electric energy+electrokinetic cell dump energy that rear prediction fuel oil can change into)/unit mileage;
The energy calculate method that when electrokinetic cell exhausts under current increasing journey pattern, fuel oil can change into is: under current driving habit and power battery charged state, jointly determined by main drive motor operation point and engine working point, in conjunction with current electric consumption rate and fuel consumption rate, dope electrokinetic cell electric quantity consumption to can not again degree of discharge time the fuel oil total mass that consumes, be multiplied by the electric energy that unit mass fuel oil under current increasing journey pattern can change into again, obtain the electric energy that when electrokinetic cell under current increasing journey pattern exhausts, fuel oil can change into;
Electrokinetic cell exhausts the energy calculate method that rear prediction fuel oil can change into: under current driving habit, determined by main drive motor operation point, prediction driving engine becomes the electric energy that when independent energy source provides car load energy requirement, unit mass fuel oil can provide, be multiplied by the quality that electrokinetic cell electricity exhausts rear prediction Fuel Remained again, obtain predicting the electric energy that electrokinetic cell electricity exhausts rear fuel oil and can change into.
Under car load during electricity, the average current drain of current calculating gained and continual mileage are write entire car controller internal memory.When car load powers on again, first read the average current drain after last subnormal lower electricity, read the information about electrokinetic cell and deposit fuel oil in current vehicle condition simultaneously, calculated the initial value of Current vehicle continual mileage by the two.
Before exporting car load continual mileage to instrument, continual mileage computing module carries out filtering to car load continual mileage, and time constant filter is selected very large.Filter constant refers to when car load calculates continual mileage change, the sensitivity that instrument display continual mileage changes this, and filter constant is larger, and above-mentioned sensitivity is less.
Certainly; the present invention also may have other multiple embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. one kind for calculating the system of stroke lengthening hybrid power automobile continual mileage, it includes power battery charged state unit, electrokinetic cell highest temperature unit, electrokinetic cell minimum temperature unit, voltage difference unit between electrokinetic cell monomer, and oil mass message unit, drive motor working cell, engine operation unit, it is characterized in that, described power battery charged state unit, electrokinetic cell highest temperature unit, electrokinetic cell minimum temperature unit and voltage difference unit between electrokinetic cell monomer are connected with the input end of the entire car controller of band continual mileage computation model successively, oil mass message unit is connected by the input end of fuel level sensor with the entire car controller of band continual mileage computation model, drive motor working cell is connected by the input end of its electric machine controller with the entire car controller of band continual mileage computation model, engine operation unit is connected by the input end of control unit of engine with the entire car controller of band continual mileage computation model, the mouth of entire car controller is connected with car-mounted display instrument.
2. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 1, it is characterized in that: described system comprises entire car controller and onboard instruments, entire car controller is processed the various information collected and is calculated, and calculating and filtered final continual mileage are input to onboard instruments by CAN; Onboard instruments accepts the CAN information that entire car controller sends, in order to show continual mileage and Fuel Oil Remaining.
3. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 1, it is characterized in that: when travelling with electric-only mode, the average current drain of continual mileage=(electric energy that under electric-only mode, Fuel Remained can change into+electrokinetic cell dump energy)/unit mileage; The electric energy that under the electric energy that under electric-only mode, Fuel Remained can change into=Fuel Remained total amount * electric-only mode, unit mass fuel oil can change into.
4. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 3, it is characterized in that: electrokinetic cell dump energy method of calculating: current power battery charge state (SOC) is obtained electrokinetic cell dump energy as principal parameter, consider following condition and following condition is composed respectively with extinguishing coefficient, condition comprises voltage difference between electrokinetic cell highest temperature, electrokinetic cell minimum temperature, electrokinetic cell monomer, dump energy is multiplied by extinguishing coefficient and obtains the final available dump energy of electrokinetic cell;
The method of calculating of Fuel Remained total amount: the oil mass information gathered by sensor is carried out the filtering compared with small time constant, prevents the fluctuation of the sensor because measuring oil mass from causing the significantly change of continual mileage;
The acquisition methods of the electric energy that unit mass fuel oil can change under electric-only mode: obtained the electric energy all providing unit mass fuel oil during now power to change into by driving engine by offline mode by current driving habit, in this, as the electric energy that unit mass fuel oil under electric-only mode can change into.
5. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 1, it is characterized in that: when with increase journey pattern travel and Fuel Remained by when first exhausting in electrokinetic cell dump energy, the average current drain of continual mileage=(electric energy+electrokinetic cell dump energy that under current increasing journey pattern, Fuel Remained can change into)/unit mileage; The electric energy that under the electric energy that under current increasing journey pattern, Fuel Remained can change into=Fuel Remained total amount * current increasing journey pattern, unit mass fuel oil can change into; The energy calculate method that under current increasing journey pattern, unit mass fuel oil can change into is: determined by present engine operation point, and the mode of being tabled look-up by Real-Time Monitoring or off-line obtains the electric energy that unit mass fuel oil under current increasing journey pattern can change into.
6. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 1, it is characterized in that: when travelling with hybrid mode, electrokinetic cell dump energy is by when first exhausting in Fuel Remained, the average current drain of continual mileage=(electric energy+electrokinetic cell electricity that when electrokinetic cell exhausts under current increasing journey pattern, fuel oil can change into exhausts electric energy+electrokinetic cell dump energy that rear prediction fuel oil can change into)/unit mileage.
7. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 6, it is characterized in that, the energy calculate method that when electrokinetic cell exhausts under current increasing journey pattern, fuel oil can change into is: under current driving habit and power battery charged state, jointly determined by main drive motor operation point and engine working point, in conjunction with current electric consumption rate and fuel consumption rate, dope electrokinetic cell electric quantity consumption to can not again degree of discharge time the fuel oil total mass that consumes, be multiplied by the electric energy that unit mass fuel oil under current increasing journey pattern can change into again, obtain the electric energy that when electrokinetic cell under current increasing journey pattern exhausts, fuel oil can change into.
8. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 6, it is characterized in that, electrokinetic cell exhausts the energy calculate method that rear prediction fuel oil can change into: under current driving habit, determined by main drive motor operation point, prediction driving engine becomes the electric energy that when independent energy source provides car load energy requirement, unit mass fuel oil can provide, be multiplied by the forecast quality that electrokinetic cell electricity exhausts rear Fuel Remained again, obtain electrokinetic cell electricity and exhaust the electric energy that rear prediction fuel oil can change into.
9. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 1, is characterized in that, under car load during electricity, the average current drain of current calculating gained and continual mileage is write entire car controller internal memory; When car load powers on again, first read the average current drain after last subnormal lower electricity, read the information about electrokinetic cell and deposit fuel oil in current vehicle condition simultaneously, calculated the initial value of Current vehicle continual mileage by the two.
10. the system calculating stroke lengthening hybrid power automobile continual mileage as claimed in claim 1, is characterized in that, before exporting car load continual mileage to instrument, carry out filtering to car load continual mileage, time constant filter is selected very large; Filter constant refers to when car load calculates continual mileage change, the sensitivity that instrument display continual mileage changes this, and filter constant is larger, and above-mentioned sensitivity is less.
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| CN107270918A (en) * | 2016-04-08 | 2017-10-20 | 博世汽车部件(苏州)有限公司 | A kind of method and apparatus for planning travel route |
| CN108909715A (en) * | 2018-06-01 | 2018-11-30 | 北京汽车股份有限公司 | The predictor method of hybrid vehicle and its driving range, device |
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| CN110549906A (en) * | 2019-09-12 | 2019-12-10 | 北京车和家信息技术有限公司 | Segmented display method and device for endurance mileage |
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| CN108909715B (en) * | 2018-06-01 | 2020-06-26 | 北京汽车股份有限公司 | Hybrid vehicle and method and device for estimating distance to be travelled |
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| CN110549906B (en) * | 2019-09-12 | 2021-02-26 | 北京车和家信息技术有限公司 | Segmented display method and device for endurance mileage |
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| CN110826744A (en) * | 2019-10-27 | 2020-02-21 | 恒大智慧科技有限公司 | Power battery replacement reservation method, computer equipment and readable storage medium |
| CN110782056A (en) * | 2019-10-27 | 2020-02-11 | 恒大智慧科技有限公司 | Battery replacement reservation method and system and computer readable storage medium |
| CN113022314A (en) * | 2019-12-09 | 2021-06-25 | 北京车和家信息技术有限公司 | Driving range estimation method and device and vehicle |
| CN113911120A (en) * | 2020-07-08 | 2022-01-11 | 观致汽车有限公司 | Vehicle driving range calculation method and device, electronic equipment and storage medium |
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