CN115489309A - Method for accurately displaying residual oil quantity of vehicle instrument in driving state - Google Patents

Method for accurately displaying residual oil quantity of vehicle instrument in driving state Download PDF

Info

Publication number
CN115489309A
CN115489309A CN202211137907.3A CN202211137907A CN115489309A CN 115489309 A CN115489309 A CN 115489309A CN 202211137907 A CN202211137907 A CN 202211137907A CN 115489309 A CN115489309 A CN 115489309A
Authority
CN
China
Prior art keywords
data
buffer
vehicle
fuel
descending
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211137907.3A
Other languages
Chinese (zh)
Inventor
刘飞
韩沙和
兰启伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Yema Automobile Co Ltd
Original Assignee
Sichuan Yema Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Yema Automobile Co Ltd filed Critical Sichuan Yema Automobile Co Ltd
Priority to CN202211137907.3A priority Critical patent/CN115489309A/en
Publication of CN115489309A publication Critical patent/CN115489309A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Arrangement of adaptations of instruments
    • B60K35/28—
    • B60K2360/167—

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention discloses a method for accurately displaying the residual oil quantity of a vehicle meter in a driving state, which reduces the instability caused by the fluctuation of oil float resistance data due to the mechanical vibration of an engine and the like by directly acquiring the oil injection quantity data of an engine ECU in the driving state and filtering the oil injection quantity data of the engine ECU, and simultaneously accurately calculates the oil quantity displayed by a vehicle fuel meter by the reduction damping time of the vehicle fuel meter and the reduction rate of the vehicle fuel meter, thereby ensuring the accurate display of the residual fuel oil and enabling a user to accurately judge the residual fuel oil and the driving mileage of a vehicle.

Description

Method for accurately displaying residual oil quantity of vehicle instrument in driving state
Technical Field
The invention relates to the technical field of vehicle display, in particular to a method for accurately displaying the residual oil quantity of a vehicle instrument in a running state.
Background
At present, the residual fuel display of the fuel automobile acquires the resistance value of a fuel floater in an oil tank in real time by an instrument, and then displays the residual fuel information according to the corresponding relation between the resistance value and the residual fuel. However, the oil float may shake during driving, which causes an error in the resistance value of the oil float obtained by the meter, and the remaining fuel cannot be accurately displayed, thereby affecting the judgment of the endurance mileage by the user.
Disclosure of Invention
Aiming at the defects in the prior art, the method for accurately displaying the residual fuel quantity of the vehicle instrument in the driving state solves the problem that the residual fuel quantity of the current fuel automobile is displayed inaccurately.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: a method for accurately displaying the residual oil quantity of a vehicle instrument in a driving state comprises the following steps:
s1, collecting oil injection quantity data of an engine ECU in a running state;
s2, filtering the oil injection quantity data of the engine ECU to obtain the oil injection quantity of the engine ECU;
s3, calculating the descending damping time of the vehicle fuel gauge according to the fuel injection quantity of the engine ECU;
s4, calculating the descending speed of the vehicle fuel gauge according to the descending damping time of the fuel gauge of the vehicle;
and S5, obtaining the oil quantity displayed by the vehicle fuel gauge according to the descending rate of the vehicle fuel gauge.
Further, the step S2 includes the following sub-steps:
s201, removing abnormal values from acquired engine ECU fuel injection quantity data to obtain filtering data;
s202, finding all peak points and valley points in the filtering data;
s203, segmenting the filtering data according to the peak point and the valley point to obtain ascending segment filtering data and descending segment filtering data;
s204, filling data in each ascending section of filtering data into an ascending buffer according to the sequence of time;
s205, sorting the data in the ascending buffer from low to high;
s206, calculating a filtering value corresponding to the current ascending buffer according to the sorted ascending buffers;
s207, filling data which are not filled into the rising buffer in each rising segment of filtered data into the rising buffer according to the time sequence, and jumping to the step S205 until the data in each rising segment of filtered data are filled completely;
s208, filling data in the filtering data of each descending section into a descending buffer according to the sequence of time;
s209, sorting the data in the descending buffer from high to low;
s210, calculating a filter value corresponding to the current descending buffer according to the sorted descending buffers;
s211, filling data which are not filled into the descending buffer memory in each descending segment of filtering data into the descending buffer memory according to the sequence of time occurrence, and jumping to the step S209 until the data in each descending segment of filtering data are filled completely;
and S212, taking all the filtered values as the fuel injection quantity of the engine ECU.
The beneficial effects of the above further scheme are: according to the method, abnormal values of the acquired oil injection quantity data of the engine ECU are removed, the data which are abnormal and outstanding are eliminated, first filtering data are obtained, the first filtering data are divided into ascending section filtering data and descending section filtering data, if the acquisition time is long, a plurality of ascending section filtering data and descending section filtering data exist, and if the acquisition time is short, a part of ascending section filtering data and descending section filtering data may exist. The ascending section and the descending section are respectively processed in a mode of dividing the first filtering data into the ascending section and the descending section, so that the condition that normal data is seriously filtered due to different data conversion laws of the ascending section and the descending section is avoided.
Further, in step S201, the engine ECU fuel injection amount data acquired at a certain time is subtracted from the engine ECU fuel injection amount data acquired at an adjacent time to obtain a fuel injection amount difference, if the fuel injection amount difference is greater than a threshold, the engine ECU fuel injection amount data acquired at a certain time is removed, and the remaining engine ECU fuel injection amount data is filtering data.
Further, the calculation formula of the filter value corresponding to the current rising buffer in step S206 is:
Figure BDA0003852939190000031
wherein the content of the first and second substances,
Figure BDA0003852939190000032
for the filtered value, omega, corresponding to the current rising buffer 1 For the weight of the ascending process, x i For the ith data in the rising buffer, N is the length of the rising buffer, t N For the Nth data x in the rising buffer N Corresponding time, t 1 For the time corresponding to the 1 st data in the rising buffer,
Figure BDA0003852939190000033
is the first in the rising buffer
Figure BDA0003852939190000034
The number of the data is set to be,
Figure BDA0003852939190000035
the last filtered value of the buffer is raised.
The beneficial effects of the above further scheme are: n is an odd number, and N is an odd number,
Figure BDA0003852939190000036
for the median of the rising buffer, the basic level of the current filtering of the rising buffer is measured by multiplying the ratio of the head and tail data difference value of the rising buffer to the time by the median, and meanwhile, the filtering value obtained last time is considered, so that the filtering result is accurate.
Further, the calculation formula of the filter value corresponding to the current descending buffer in step S210 is as follows:
Figure BDA0003852939190000037
wherein the content of the first and second substances,
Figure BDA0003852939190000038
for the filtered value, omega, corresponding to the current falling buffer 2 For the weight of the descent process, y i For the ith data in the down buffer, M is the length of the down buffer,
Figure BDA0003852939190000039
for falling down in the buffer
Figure BDA00038529391900000310
The number of the data is one,
Figure BDA00038529391900000311
for dropping the last filtered value, T, of the buffer 1 For decreasing the time corresponding to the 1 st data in the buffer, t M For dropping the Mth data y in the buffer M The corresponding time.
The beneficial effects of the above further scheme are: m is an odd number of the N-type,
Figure BDA00038529391900000312
for the median of the descending buffer, the basic level of the current filtering of the descending buffer is measured by multiplying the ratio of the head and tail data difference value of the descending buffer to the time by the median, and meanwhile, the filtering value obtained last time is considered, so that the filtering result is accurate.
Further, the formula for calculating the damping time of the vehicle fuel gauge in the step S3 is as follows:
Figure BDA0003852939190000041
wherein T is the damping time of the vehicle fuel gauge, V is the capacity of a vehicle fuel tank, and FC is the fuel injection quantity of an engine ECU.
Further, the formula for calculating the vehicle fuel gauge lowering rate in the step S4 is as follows:
P＝T/B
wherein, P is the descending rate of the vehicle fuel gauge, T is the descending damping time of the vehicle fuel gauge, and B is the time required for finishing the oil injection under the condition of the current fuel injection quantity balance.
Further, the formula for obtaining the fuel quantity displayed by the vehicle fuel gauge in the step S5 is as follows:
Q＝Q * -P*A
wherein Q is the oil quantity currently displayed by a vehicle fuel gauge, and Q * The fuel quantity displayed when the fuel tank of the vehicle is full is P, the descending speed of the fuel gauge of the vehicle is P, and A is the total grid number of the fuel gauge of the vehicle.
In conclusion, the beneficial effects of the invention are as follows: according to the invention, the fuel injection quantity data of the engine ECU in the running state is directly acquired, and the filter processing is carried out on the fuel injection quantity data of the engine ECU, so that the instability caused by the fluctuation of the resistance value data of the oil float due to the mechanical vibration of the engine and the like is reduced, and meanwhile, the fuel quantity displayed by the vehicle fuel gauge is accurately calculated through the reduction damping time of the vehicle fuel gauge and the reduction rate of the vehicle fuel gauge, so that the accurate display of the residual fuel is ensured, and a user can accurately judge the residual fuel and the endurance mileage of the vehicle.
Drawings
Fig. 1 is a flowchart of a method for accurately displaying the remaining fuel amount of a vehicle meter in a driving state.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1, a method for accurately displaying the remaining oil amount of a vehicle meter in a driving state includes the following steps:
s1, collecting oil injection quantity data of an engine ECU in a running state;
s2, filtering the oil injection quantity data of the engine ECU to obtain the oil injection quantity of the engine ECU;
the step S2 comprises the following sub-steps:
s201, removing abnormal values from the acquired oil injection quantity data of the engine ECU to obtain filtering data;
in step S201, the engine ECU fuel injection amount data acquired at a certain time is subtracted from the engine ECU fuel injection amount data acquired at an adjacent time to obtain a fuel injection amount difference, if the fuel injection amount difference is greater than a threshold, the engine ECU fuel injection amount data acquired at a certain time is removed, and the remaining engine ECU fuel injection amount data is filtering data.
S202, finding all peak points and valley points in the filtering data;
s203, segmenting the filtering data according to the peak point and the valley point to obtain ascending segment filtering data and descending segment filtering data;
s204, filling data in each ascending section of filtering data into an ascending buffer according to the sequence of time;
s205, sorting the data in the ascending buffer from low to high;
s206, calculating a filtering value corresponding to the current ascending buffer according to the sorted ascending buffers;
the calculation formula of the filter value corresponding to the current rising buffer in step S206 is:
Figure BDA0003852939190000051
wherein the content of the first and second substances,
Figure BDA0003852939190000061
for the filtered value, omega, corresponding to the current rising buffer 1 For the weight of the ascending process, x i For the ith data in the rising buffer, N is the length of the rising buffer, t N For the Nth data x in the rising buffer N Corresponding time, t 1 For the time corresponding to the 1 st data in the rising buffer,
Figure BDA0003852939190000062
is the first in the rising buffer
Figure BDA0003852939190000063
The number of the data is one,
Figure BDA0003852939190000064
to ascendThe last filtered value obtained by the buffer.
N is an odd number, and N is an odd number,
Figure BDA0003852939190000065
for the median of the rising buffer, the basic level of the current filtering of the rising buffer is measured by multiplying the ratio of the head and tail data difference value of the rising buffer to the time by the median, and meanwhile, the filtering value obtained last time is considered, so that the filtering result is accurate.
S207, filling data which are not filled into the ascending buffer in each ascending section of filtering data into the ascending buffer according to the time sequence, and jumping to the step S205 until the data in each ascending section of filtering data are filled completely;
s208, filling data in the filtering data of each descending section into a descending buffer according to the sequence of time;
s209, sorting the data in the descending buffer from high to low;
s210, calculating a filter value corresponding to the current descending buffer according to the sorted descending buffers;
the calculation formula of the filter value corresponding to the current descending buffer in step S210 is:
Figure BDA0003852939190000066
wherein the content of the first and second substances,
Figure BDA0003852939190000067
for the filtered value, omega, corresponding to the current falling buffer 2 For the weight of the descent process, y i For the ith data in the down buffer, M is the length of the down buffer,
Figure BDA0003852939190000068
for falling down the first in the buffer
Figure BDA0003852939190000069
The number of the data is one,
Figure BDA00038529391900000610
for dropping the last filtered value, T, of the buffer 1 For the time corresponding to the 1 st data in the falling buffer, t M For dropping the Mth data y in the buffer M The corresponding time.
M is an odd number, and M is an odd number,
Figure BDA00038529391900000611
for the median of the descending buffer, the basic level of the current filtering of the descending buffer is measured by multiplying the ratio of the head and tail data difference value of the descending buffer to the time by the median, and meanwhile, the filtering value obtained last time is considered, so that the filtering result is accurate.
In this embodiment, the lengths of the falling buffer and the rising buffer can be set to be shorter, so that the filtering result changes more obviously and is closer to the true value.
S211, filling data which are not filled into the descending buffer memory in each descending section of filtering data into the descending buffer memory according to the sequence of time occurrence, and jumping to the step S209 until the data in each descending section of filtering data are filled completely;
and S212, taking all the filtered values as the fuel injection quantity of the engine ECU.
According to the method, an abnormal value of the acquired oil injection quantity data of the engine ECU is removed, the abnormal and prominent data are removed to obtain first filtering data, the first filtering data are divided into ascending section filtering data and descending section filtering data, if the acquisition time is long, a plurality of ascending section filtering data and descending section filtering data exist, and if the acquisition time is short, a part of ascending section filtering data and descending section filtering data possibly exist. The ascending section and the descending section are respectively processed in a mode of dividing the first filtering data into the ascending section and the descending section, so that the condition that normal data is seriously filtered due to different data conversion laws of the ascending section and the descending section is avoided.
S3, calculating the descending damping time of the vehicle fuel gauge according to the fuel injection quantity of the engine ECU;
the formula for calculating the descending damping time of the vehicle fuel gauge in the step S3 is as follows:
Figure BDA0003852939190000071
wherein T is the damping time of the vehicle fuel gauge, V is the capacity of a vehicle fuel tank, and FC is the fuel injection quantity of an engine ECU.
S4, calculating the descending speed of the vehicle fuel gauge according to the descending damping time of the fuel gauge of the vehicle;
the formula for calculating the descending rate of the vehicle fuel gauge in the step S4 is as follows:
P＝T/B
wherein, P is the descending rate of the vehicle fuel gauge, T is the descending damping time of the vehicle fuel gauge, and B is the time required for finishing the oil injection under the condition of the current fuel injection quantity balance.
And S5, obtaining the oil quantity displayed by the vehicle fuel gauge according to the descending rate of the vehicle fuel gauge.
The formula for obtaining the oil quantity displayed by the vehicle fuel gauge in the step S5 is as follows:
Q＝Q * -P*A
wherein Q is the oil quantity currently displayed by a vehicle fuel gauge, and Q * The fuel quantity displayed when the fuel tank of the vehicle is full is P, the descending speed of the fuel gauge of the vehicle is P, and A is the total number of grids of the fuel gauge of the vehicle.
The invention has the beneficial effects that: according to the invention, the instability caused by fluctuation of the resistance value data of the oil float due to mechanical vibration of the engine and the like is reduced by directly collecting the oil injection quantity data of the engine ECU in a driving state and filtering the oil injection quantity data of the engine ECU, and meanwhile, the oil quantity displayed by the vehicle fuel gauge is accurately calculated by the reduction damping time of the vehicle fuel gauge and the reduction rate of the vehicle fuel gauge, so that the accurate display of the residual fuel is ensured, and a user can accurately judge the residual fuel and the endurance mileage of the vehicle.

Claims (8)

1. A method for accurately displaying the residual oil quantity of a vehicle instrument in a driving state is characterized by comprising the following steps of:
s1, collecting oil injection quantity data of an engine ECU in a running state;
s2, filtering the oil injection quantity data of the engine ECU to obtain the oil injection quantity of the engine ECU;
s3, calculating the descending damping time of the vehicle fuel gauge according to the fuel injection quantity of the engine ECU;
s4, calculating the descending rate of the vehicle fuel gauge according to the fuel descending damping time of the vehicle fuel gauge;
and S5, obtaining the oil quantity displayed by the vehicle fuel gauge according to the descending speed of the vehicle fuel gauge.
2. The method for accurately displaying the remaining amount of fuel in a meter of a vehicle in a running state according to claim 1, wherein said step S2 comprises the substeps of:
s201, removing abnormal values from the acquired oil injection quantity data of the engine ECU to obtain filtering data;
s202, finding all peak points and valley points in the filtering data;
s203, segmenting the filtering data according to the peak point and the valley point to obtain ascending segment filtering data and descending segment filtering data;
s204, filling data in each ascending section of filtering data into an ascending buffer according to the sequence of time;
s205, sorting the data in the ascending buffer from low to high;
s206, calculating a filtering value corresponding to the current ascending buffer according to the sorted ascending buffers;
s207, filling data which are not filled into the ascending buffer in each ascending section of filtering data into the ascending buffer according to the time sequence, and jumping to the step S205 until the data in each ascending section of filtering data are filled completely;
s208, filling data in the filtering data of each descending section into a descending buffer according to the sequence of time;
s209, sorting the data in the descending buffer from high to low;
s210, calculating a filtering value corresponding to the current descending buffer according to the sorted descending buffers;
s211, filling data which are not filled into the descending buffer memory in each descending section of filtering data into the descending buffer memory according to the sequence of time occurrence, and jumping to the step S209 until the data in each descending section of filtering data are filled completely;
and S212, taking all the filtered values as the fuel injection quantity of the engine ECU.
3. The method for accurately displaying the remaining fuel quantity of the vehicle meter in the driving state according to claim 2, wherein in step S201, the fuel injection quantity difference is obtained by subtracting the fuel injection quantity data of the engine ECU acquired at a certain time from the fuel injection quantity data of the engine ECU acquired at an adjacent time, and if the fuel injection quantity difference is greater than a threshold value, the fuel injection quantity data of the engine ECU acquired at a certain time is removed, and the remaining fuel injection quantity data of the engine ECU is filtered data.
4. The method for accurately displaying the remaining fuel amount of a vehicle meter during driving according to claim 2, wherein the calculation formula of the filter value corresponding to the current ascending buffer in step S206 is:
Figure FDA0003852939180000021
wherein, the first and the second end of the pipe are connected with each other,
Figure FDA0003852939180000022
for the filtered value, omega, corresponding to the current rising buffer 1 For the weight of the ascending process, x i For the ith data in the rising buffer, N is the length of the rising buffer, t N For the Nth data x in the rising buffer N Corresponding time, t 1 For the time corresponding to the 1 st data in the rising buffer,
Figure FDA0003852939180000023
is the first in the rising buffer
Figure FDA0003852939180000024
The number of the data is one,
Figure FDA0003852939180000025
the last filtered value of the buffer is raised.
5. The method for accurately displaying the remaining fuel quantity of the vehicle meter in the driving state according to claim 2, wherein the calculation formula of the filter value corresponding to the current drop buffer in the step S210 is as follows:
Figure FDA0003852939180000026
wherein the content of the first and second substances,
Figure FDA0003852939180000027
for the filtered value, omega, corresponding to the current falling buffer 2 For the weight of the descent process, y i For the ith data in the down buffer, M is the length of the down buffer,
Figure FDA0003852939180000031
for falling down in the buffer
Figure FDA0003852939180000032
The number of the data is one,
Figure FDA0003852939180000033
for dropping the last filtered value, T, of the buffer 1 For decreasing the time corresponding to the 1 st data in the buffer, T M For dropping the Mth data y in the buffer M The corresponding time.
6. The method for accurately displaying the remaining fuel quantity of the vehicle fuel gauge in the driving state according to claim 1, wherein the formula for calculating the lowering damping time of the vehicle fuel gauge in the step S3 is as follows:
Figure FDA0003852939180000034
wherein T is the damping time of the vehicle fuel gauge, V is the capacity of a vehicle fuel tank, and FC is the fuel injection quantity of an engine ECU.
7. The method for accurately displaying the remaining fuel quantity of the vehicle meter in the driving state according to claim 1, wherein the formula for calculating the lowering rate of the vehicle fuel meter in the step S4 is as follows:
P＝T/B
wherein, P is the descending rate of the vehicle fuel gauge, T is the descending damping time of the vehicle fuel gauge, and B is the time required for finishing the oil injection under the condition of the current fuel injection quantity balance.
8. The method for accurately displaying the remaining fuel quantity of the vehicle meter in the driving state according to claim 1, wherein the formula for obtaining the fuel quantity displayed by the vehicle fuel meter in the step S5 is as follows:
Q＝Q * -P*A
wherein Q is the oil quantity currently displayed by a vehicle fuel gauge, and Q * The fuel quantity displayed when the fuel tank of the vehicle is full is P, the descending speed of the fuel gauge of the vehicle is P, and A is the total grid number of the fuel gauge of the vehicle.
CN202211137907.3A 2022-09-19 2022-09-19 Method for accurately displaying residual oil quantity of vehicle instrument in driving state Pending CN115489309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211137907.3A CN115489309A (en) 2022-09-19 2022-09-19 Method for accurately displaying residual oil quantity of vehicle instrument in driving state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211137907.3A CN115489309A (en) 2022-09-19 2022-09-19 Method for accurately displaying residual oil quantity of vehicle instrument in driving state

Publications (1)

Publication Number Publication Date
CN115489309A true CN115489309A (en) 2022-12-20

Family

ID=84470669

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211137907.3A Pending CN115489309A (en) 2022-09-19 2022-09-19 Method for accurately displaying residual oil quantity of vehicle instrument in driving state

Country Status (1)

Country Link
CN (1) CN115489309A (en)

Similar Documents

Publication Publication Date Title
CN107403482B (en) A kind of method, apparatus and system of determining VMT Vehicle-Miles of Travel number
CN109558988B (en) Electric vehicle energy consumption prediction method and system based on big data fusion
CN105910665B (en) Oil consumption measuring method and device based on onboard diagnostic system data
CN101424559B (en) Automobile oil gauge control system
CN108717796A (en) A kind of geographical ramp self-learning method and system of vehicle
CN115489309A (en) Method for accurately displaying residual oil quantity of vehicle instrument in driving state
CN112265549B (en) Pressure signal processing algorithm for fuel oil leakage diagnosis
CN115655730A (en) Method for calculating NOx emission in PEMS test of heavy-duty diesel vehicle
CN105136250A (en) Oil level detection device and detection method for fuel oil tank
CN110146137A (en) Oil consumption quantity measuring method and device, fuel tank
CN107527022B (en) Signal period calculation method
CN108759952B (en) Sectional oil consumption estimation method based on rotating speed and torque of automobile engine
CN114136390A (en) Automobile driving condition development device and method comprising road gradient
CN103487100A (en) Oil mass monitoring method
CN116244885A (en) Reactive armor life assessment method based on success-failure data
CN104679803A (en) Method and device for processing data outputted by oil level sensor of vehicle
CN112199362B (en) Filling method and system for database data loss under MES background
CN111504333B (en) Method and device for adjusting elevation of uplink and downlink roads in three-dimensional map
CN109993972B (en) Method for calculating road traffic control time
CN114735015B (en) Load assessment method for commercial diesel vehicle
CN110750587A (en) Method for processing large amount of high-speed logs of debugging equipment
CN115507878B (en) MEMS inertial measurement unit navigation performance test method and system
CN108801382B (en) Method and system for preventing pointer of automobile fuel gauge from shaking
DE102021110174A1 (en) Method and device for determining the fuel volume in a fuel tank
CN116360506B (en) Unmanned aerial vehicle path planning method and system, unmanned aerial vehicle and medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination