CN110901645A - Method for calculating endurance mileage of extended-range hybrid electric vehicle - Google Patents
Method for calculating endurance mileage of extended-range hybrid electric vehicle Download PDFInfo
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- CN110901645A CN110901645A CN201911094498.1A CN201911094498A CN110901645A CN 110901645 A CN110901645 A CN 110901645A CN 201911094498 A CN201911094498 A CN 201911094498A CN 110901645 A CN110901645 A CN 110901645A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/52—Control modes by future state prediction drive range estimation, e.g. of estimation of available travel distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/54—Energy consumption estimation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Abstract
The invention discloses a method for calculating the endurance mileage of an extended range type hybrid electric vehicle, which comprises the following steps: acquiring historical total oil consumption, historical total power consumption and historical total mileage of the vehicle when the vehicle is started; calculating real-time oil consumption data and real-time power consumption data of the vehicle; calculating the average oil consumption and the average power consumption of hundred kilometers according to the historical total oil consumption, the historical total power consumption, the historical total mileage, the real-time oil consumption data and the power consumption data of the vehicle; and calculating the endurance mileage according to the current residual oil quantity of the oil tank, the residual battery capacity, the average oil consumption and the average power consumption of the vehicle. The driving mileage of the vehicle is evaluated according to the power consumption and the oil consumption consumed by the historical driving of the vehicle and the oil consumption and the power consumption of the current state of the vehicle, the calculated driving mileage is more accurate and has referential performance, the sudden jump of the driving mileage under a specific working condition can be avoided, and the driving experience of a driver is improved.
Description
Technical Field
The invention belongs to the technical field of new energy automobiles, and particularly relates to a method for calculating the endurance mileage of an extended range type hybrid electric vehicle.
Background
The main current scheme for displaying the endurance mileage of the extended-range hybrid electric vehicle is as follows:
(1) calculating the energy corresponding to the current residual oil quantity according to the quantity of the residual oil quantity in the current oil tank and the average power fuel consumption rate, and converting the residual oil quantity in the current state and the endurance mileage corresponding to the electric quantity according to the current residual electric quantity of the battery and the corresponding full-power state, namely when the SOC value is 100%. The method has the problems that the current running state of the vehicle cannot be accurately displayed according to the current running working condition by calculating the average fuel consumption rate, the fuel consumption rate of the range extender in the current state needs to be considered due to different power points of the range extender in the current state, the calculation is complex, the workload is large, the verification period is long, the usability is weak, and the calculated mileage number may have a jump phenomenon.
(2) Current voltage integration method
According to the power consumption calculated by the current-voltage integration method, the calculated endurance mileage can cause the jump of the endurance mileage due to unstable current, the state of the vehicle in the running process can not be accurately reflected, and the cost is high and is not representative.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provides a method for calculating the endurance mileage of an extended range type hybrid electric vehicle.
The technical scheme adopted by the invention is as follows: a method for calculating the endurance mileage of an extended range type hybrid electric vehicle comprises the following steps:
acquiring historical total oil consumption, historical total power consumption and historical total mileage of the vehicle when the vehicle is started;
calculating real-time oil consumption data and real-time power consumption data of the vehicle;
calculating the average oil consumption and the average power consumption of hundred kilometers according to the historical total oil consumption, the historical total power consumption, the historical total mileage, the real-time oil consumption data and the power consumption data of the vehicle;
and calculating the endurance mileage according to the current residual oil quantity of the oil tank, the residual battery capacity, the average oil consumption and the average power consumption of the vehicle.
And further, calculating and updating the real-time oil consumption data and the real-time power consumption data in a fixed period, and calculating and updating the real-time oil consumption data and the real-time power consumption data only when the driving distance of the current period is greater than a first set value, otherwise, keeping the data updated last time unchanged.
Further, the real-time oil consumption data and the real-time power consumption data are calculated by the following formulas:
real-time oil consumption data is the oil consumption in the current period/the distance traveled in the current period;
and the real-time power consumption data is the power consumption in the current period/the distance traveled in the current period.
And further, calculating and updating the real-time oil consumption data and the real-time power consumption data according to the fixed driving distance, calculating and updating the real-time oil consumption data and the real-time power consumption data only when the time used by the current driving distance is less than a second set value, and otherwise, keeping the data updated last time unchanged.
Further, the real-time oil consumption data and the real-time power consumption data are calculated by the following formulas:
real-time oil consumption data is equal to the oil consumption of the current driving distance/driving distance;
and the real-time power consumption data is the power consumption consumed by the current driving distance/driving distance.
Further, the average fuel consumption per hundred kilometers and the average power consumption per hundred kilometers are calculated by the following formulas:
the average fuel consumption per hundred kilometers is (total historical fuel consumption/total historical mileage) M100 + real-time fuel consumption data (1-M) 100;
the average power consumption per hundred kilometers is (total historical power consumption/total historical mileage) N100 + real-time power consumption data (1-N) 100;
wherein M is the first weighting factor, N is the second weighting factor, and M, N are all set values.
Further, the driving range is calculated by the following formula:
the driving mileage is (oil tank residual oil amount-oil tank minimum residual oil amount)/kilometer average oil consumption 100+ (battery residual energy amount-battery minimum residual energy amount)/kilometer average power consumption 100, and the oil tank minimum residual oil amount and the battery minimum residual energy amount are set values.
The driving mileage of the vehicle is evaluated according to the power consumption and the oil consumption consumed by the historical driving of the vehicle and the oil consumption and the power consumption of the current state of the vehicle, the calculated driving mileage is more accurate and has referential performance, the sudden jump of the driving mileage under a specific working condition can be avoided, and the driving experience of a driver is improved.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention provides a method for calculating the endurance mileage of an extended range type hybrid electric vehicle.
Calculating real-time oil consumption data and real-time power consumption data of the vehicle;
calculating the average oil consumption and the average power consumption of hundred kilometers according to the historical total oil consumption, the historical total power consumption, the historical total mileage, the real-time oil consumption data and the power consumption data of the vehicle;
and calculating the endurance mileage according to the current residual oil quantity of the oil tank, the residual battery capacity, the average oil consumption and the average power consumption of the vehicle.
The real-time oil consumption data and the real-time power consumption data of the vehicle can be calculated by two methods:
calculating real-time oil consumption data and real-time power consumption data by a time method: the method comprises the steps of calculating and updating real-time oil consumption data and real-time power consumption data in a fixed period, calculating and updating the real-time oil consumption data and the real-time power consumption data only when the driving distance in the current period is larger than a first set value, otherwise, keeping the data updated last time unchanged, wherein the period and the first set value are determined according to actual requirements, if the period can be set to be 3min or 5min, the first set value is set to avoid the situation that when traffic lights or temporary parking is carried out, the driving distance does not exist, but the oil quantity and the electric quantity are consumed, so that the calculation of the oil consumption data and the power consumption data is inaccurate, and the calculation of the endurance mileage is influenced.
The real-time oil consumption data and the real-time power consumption data are calculated by the following formulas:
real-time oil consumption data is the oil consumption in the current period/the distance traveled in the current period;
and the real-time power consumption data is the power consumption in the current period/the distance traveled in the current period.
Calculating real-time oil consumption data and real-time power consumption data by a distance method: and calculating and updating the real-time oil consumption data and the real-time power consumption data according to the fixed driving distance, calculating and updating the real-time oil consumption data and the real-time power consumption data only when the time used by the current driving distance is less than a second set value, otherwise, keeping the updated data of the last time unchanged, wherein the driving distance and the second set value are determined according to actual requirements.
The first set value and the second set value are set to avoid that when a traffic light or a temporary stop occurs, the driving distance is not available, but the oil quantity and the electric quantity are consumed, so that the calculation of the oil consumption data and the electric consumption data is inaccurate, and the calculation of the cruising mileage is influenced.
The real-time oil consumption data and the real-time power consumption data are calculated by the following formulas:
real-time oil consumption data is equal to the oil consumption of the current driving distance/driving distance;
and the real-time power consumption data is the power consumption consumed by the current driving distance/driving distance.
Calculating the average oil consumption per kilometer and the average power consumption per kilometer according to the obtained vehicle parameters and the calculated real-time oil consumption data and real-time power consumption data:
the average fuel consumption per hundred kilometers is (total historical fuel consumption/total historical mileage) M100 + real-time fuel consumption data (1-M) 100;
the average power consumption per hundred kilometers is (total historical power consumption/total historical mileage) N100 + real-time power consumption data (1-N) 100;
the method comprises the steps that M is a first weight factor, N is a second weight factor, M, N is a calibration value, historical oil consumption reflects the running state of a vehicle, the oil consumption and the power consumption of the current working condition reflect the current running state of the vehicle, the calculation of the endurance mileage is guaranteed to be more accurate, and the weight coefficients occupied by the M and the N can be calibrated according to the state of the vehicle.
After the average power consumption and the average oil consumption are obtained, the endurance mileage is calculated by the following formula:
the endurance mileage is (oil tank remaining oil amount-oil tank minimum remaining oil amount)/kilometer average oil consumption 100+ (battery remaining capacity-battery minimum remaining capacity)/kilometer average power consumption 100.
Wherein: the minimum residual oil quantity of the oil tank and the minimum residual electric quantity of the battery are set values, if the value of the minimum residual electric quantity of the oil tank is related to the total oil quantity of the oil tank and the collected minimum oil quantity, if the full oil quantity of the vehicle is 60L, the value is recommended to be 4L; the minimum residual electric quantity value of the battery is related to the discharge capacity of the battery, and the value is recommended to be 5kw/h according to the real running experiment.
The invention can also increase the remaining power and oil mass check: the residual electric quantity is lower than the last calculation, the fuel consumption is lower than the last calculation, the endurance cannot be larger than the last endurance mileage, the output endurance mileage needs to be subjected to filtering processing, a plurality of calculated endurance mileage calculation results are selected, the maximum value and the minimum value are removed, the average value is taken as the result to be output, the phenomenon that jumping occurs or the sudden increase and the overlarge value or the overlong value occur in a certain calculation is prevented, and the current mileage number which can be driven by the vehicle is effectively reminded.
The invention accurately calculates the mileage of the vehicle according to the current running working condition of the vehicle, the recent state of the vehicle, the residual oil quantity of the oil tank and the current residual electric quantity of the battery, and reminds a driver to charge or refuel the vehicle in time.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (7)
1. A method for calculating the endurance mileage of an extended range type hybrid electric vehicle is characterized by comprising the following steps:
acquiring historical total oil consumption, historical total power consumption and historical total mileage of the vehicle when the vehicle is started;
calculating real-time oil consumption data and real-time power consumption data of the vehicle;
calculating the average oil consumption per kilometer and the average power consumption per kilometer according to the historical total oil consumption, the historical total power consumption, the historical total mileage, the real-time oil consumption data and the power consumption data of the vehicle;
and calculating the endurance mileage according to the current residual oil quantity of the oil tank, the residual battery capacity, the average oil consumption and the average power consumption of the vehicle.
2. The extended range hybrid electric vehicle endurance mileage calculation method according to claim 1, characterized in that: and calculating and updating the real-time oil consumption data and the real-time power consumption data in a fixed period, calculating and updating the real-time oil consumption data and the real-time power consumption data only when the driving distance in the current period is greater than a first set value, and otherwise, maintaining the updated data in the last time unchanged.
3. The extended range hybrid electric vehicle endurance mileage calculation method according to claim 2, wherein the real-time fuel consumption data and the real-time power consumption data are calculated by the following formulas:
real-time oil consumption data is the oil consumption in the current period/the distance traveled in the current period;
and the real-time power consumption data is the power consumption in the current period/the distance traveled in the current period.
4. The method for calculating the range-extended hybrid electric vehicle mileage of claim 1, wherein the real-time fuel consumption data and the real-time power consumption data are calculated and updated with a fixed driving distance, and the real-time fuel consumption data and the real-time power consumption data are calculated and updated only when the time taken by the current driving distance is less than a second set value, otherwise, the data updated last time is maintained unchanged.
5. The extended range hybrid electric vehicle endurance mileage calculation method according to claim 4, characterized in that: the real-time oil consumption data and the real-time power consumption data are calculated by the following formulas:
real-time oil consumption data is equal to the oil consumption of the current driving distance/driving distance;
and the real-time power consumption data is the power consumption consumed by the current driving distance/driving distance.
6. The method for calculating the range-extended hybrid electric vehicle endurance mileage of claim 1, wherein the average fuel consumption per hundred kilometers and the average power consumption per hundred kilometers are calculated by the following formulas:
the average fuel consumption per hundred kilometers is (total historical fuel consumption/total historical mileage) M100 + real-time fuel consumption data (1-M) 100;
the average power consumption per hundred kilometers is (total historical power consumption/total historical mileage) N100 + real-time power consumption data (1-N) 100;
wherein M is the first weighting factor, N is the second weighting factor, and M, N are all set values.
7. The extended range hybrid electric vehicle range calculation method according to claim 1, wherein the range is calculated by the following formula:
endurance mileage (remaining fuel in fuel tank-minimum remaining fuel in fuel tank)/average fuel consumption per hundred kilometers 100+ (remaining battery capacity-minimum remaining battery capacity)/average power consumption per hundred kilometers 100,
and the minimum residual oil quantity of the oil tank and the minimum residual electric quantity of the battery are set values.
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| CN111516500A (en) * | 2020-04-19 | 2020-08-11 | 神龙汽车有限公司 | Hybrid electric vehicle endurance mileage prediction method |
| CN111976705A (en) * | 2020-07-21 | 2020-11-24 | 北京车和家信息技术有限公司 | Method and device for calculating oil consumption of unit mileage of extended range electric vehicle |
| CN112109587A (en) * | 2020-03-26 | 2020-12-22 | 上汽通用五菱汽车股份有限公司 | Intelligent charging prompting method and device for vehicle and storage medium |
| CN112477635A (en) * | 2020-11-30 | 2021-03-12 | 浙江吉利控股集团有限公司 | Method, device and equipment for supplementing electric quantity of battery and storage medium |
| CN112519583A (en) * | 2020-12-04 | 2021-03-19 | 上海欧菲智能车联科技有限公司 | Method for obtaining average power consumption, electronic device and computer-readable storage medium |
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