CN101470017A - Method for real-time vehicle oil quantity monitoring and oil consumption statistics through wireless network - Google Patents
Method for real-time vehicle oil quantity monitoring and oil consumption statistics through wireless network Download PDFInfo
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- CN101470017A CN101470017A CNA2008100704061A CN200810070406A CN101470017A CN 101470017 A CN101470017 A CN 101470017A CN A2008100704061 A CNA2008100704061 A CN A2008100704061A CN 200810070406 A CN200810070406 A CN 200810070406A CN 101470017 A CN101470017 A CN 101470017A
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Abstract
The invention discloses a method for real-timely monitoring automobile fuel quantity and processing statistic on automobile fuel consumption via wireless network, comprising: using calibration method to obtain the corresponding relation between the fuel quantity of an automobile oil tank and the output value of a fuel level sensor; using an automobile terminal to obtain actual measured value via real-time data collection and data filter algorithm, to real-timely, accurately and reliably report prior fuel quantity to an automobile management center; based on the corresponding calibration relation between the fuel quantity of the oil tank and the output value of the fuel level sensor, using the management center to convert prior fuel quantity reported by the automobile terminal to actual fuel quantity, and display various application fuel quantity relative statistic reports according to the history data. The method has low cost, and automobile managers can real-timely and effectively monitor the real-time operation state and fuel consumption of automobiles, and find out the effect on fuel consumption via fuel consumption statistic, thereby realizing real-time management and effective distribution on the fuel consumption of automobiles.
Description
Technical field
The present invention relates to a kind of method of automobile oil mass monitoring, particularly relate to a kind of method of monitoring automobile oil mass and accounting automobile oil consumption by wireless network in real time.
Background technology
Aggravation along with global energy crisis; oil price also constantly raises; this makes the operation cost of vehicle also in continuous increase; how to calculate the accurate oil consumption of automobile; therefrom find out the various factors that influences oil consumption; reduce oil consumption, cost saving better, become the major issue that automobile logistics enterprise has to face.For a long time owing to limited by various objective condition, it generally is to detect current oil mass by panel board on the vehicle that the oil consumption of vehicle detects, the oil mass of this method collection has following deficiency: the one, and fuel tank all is provided with the upper and lower bound of safe oil mass, when fuel tank fuel quantity is lower than lower safety limit, vernier all is to show that oil mass is empty fuel tank, and when fuel tank fuel quantity is higher than upper safety limit, vernier all is to show that oil mass is a Full Tanks, because lower safety limit, upper safety limit is bigger to empty fuel tank on the real physical meaning and Full Tanks difference, and panel board detects the oil mass that can't truly reflect fuel tank; The 2nd, it is not high that panel board detects the oil mass value precision of being gathered, and panel board just reflects a value range, can't accurately know the oil mass of fuel tank; The 3rd, vehicle management person can't obtain the fuel tank fuel quantity data of vehicle in real time, thereby also just can't obtain the fuel consumption data of vehicle in real time, is difficult to realize carrying out real-time management and effectively allocating with oil automobile.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of method of monitoring automobile oil mass and accounting automobile oil consumption by wireless network in real time is provided, be to integrate GPS global-positioning technology, microelectric technique and wireless telecommunications and Computer Applied Technology, can carry out the real-time and effective monitoring to real-time running state, the oil consumption of vehicle, and add up by oil consumption, be convenient to the factor that vehicle management person finds out influences oil consumption, reach automobile carried out the real-time management and the effective purpose of allotment with oil.
The technical solution adopted for the present invention to solve the technical problems is: a kind ofly monitor the method for automobile oil mass and accounting automobile oil consumption in real time by wireless network, comprise demarcate and detect in real time, two processes of statistical treatment:
In calibration process, it comprises the steps:
A. the oil that in the fuel tank of designated vehicle, adds known oil mass value, detect with the fuel tank of the own fuel level sensor of vehicle known oil mass value, fuel level sensor is exported to car-mounted terminal with detected value, is processed into the oil mass data that become corresponding relation with the known oil mass value of described oil tank of vehicle by the microprocessor system of car-mounted terminal;
B. constantly change the known oil mass value in the fuel tank of described vehicle, repeating step a obtains the oil mass data that some and the different known oil mass value of described oil tank of vehicle become one-to-one relationship;
C. the known oil mass value of some composition corresponding relations of further step b being obtained of the microprocessor system of car-mounted terminal becomes corresponding serial relation with the data processing of sensor output oil mass value; Wherein, in the corresponding serial relation of oil mass value and oil mass data, adjacent by being assumed to linear relationship between described oil mass value and the determined discrete point of oil mass data;
In real-time detection, statistical treatment process, it comprises the steps:
D. ride registration: the microprocessor system of car-mounted terminal sends register requirement by the GPRS/CDMA cordless communication network to the computer processing system of administrative center, after the computer processing system of administrative center is accepted register requirement, in its database, set up the data storage area of described car-mounted terminal, and the identify label ID that will give this car-mounted terminal uses when sending to described car-mounted terminal for data upload;
E. corresponding relation data sends to the computer processing system of administrative center by the GPRS/CDMA cordless communication network between car-mounted terminal oil mass value that step c is set up and the oil mass data, and the computer processing system of administrative center is preserved;
F. the computer processing system of administrative center sends the setting value of oil mass report cycle to described car-mounted terminal by the GPRS/CDMA cordless communication network;
G. the own fuel level sensor of vehicle detects the oil mass of fuel tank in real time, and fuel level sensor is exported to car-mounted terminal with detected value, is processed into the oil mass data of correspondence by the microprocessor system of car-mounted terminal;
H. cycle of setting according to the computer processing system of administrative center again of the microprocessor system of car-mounted terminal, carry out the digital filtering algorithm processing with detecting obtained some oil mass data in real time by fuel level sensor in the cycle, thereby obtain the oil mass data that can effectively report;
I. the microprocessor system of car-mounted terminal sends effective oil mass data by the GPRS/CDMA cordless communication network to the computer processing system cycle of administrative center;
J. the computer processing system of administrative center calculates the corresponding serial relation between described oil mass value and oil mass data and obtains to calculate actual oil mass value according to the effective oil mass data that receive;
K. the computer processing system of administrative center with described calculating oil mass data and refuel once that beginning obtained in the past all calculate oil mass data and carry out the filtering fitting algorithm and handle, thereby obtain one with time/mileage unit is a transverse axis, is in length and breadth relation curve with actual oil mass value;
L. the computer processing system of administrative center according to time/mileage of being imported or the time period/mileage section condition, by above-mentioned be transverse axis with time, the oil mass value is to calculate the fuel consumption data that obtains described vehicle in length and breadth the relation curve.
A kind of method of monitoring automobile oil mass and accounting automobile oil consumption by wireless network in real time of the present invention, it is method by demarcating, obtain the oil mass of oil tank of vehicle and the corresponding relation between the fuel level sensor output valve, in actual measurement, then by reading the fuel level sensor output valve, and utilize the oil mass of fuel tank and the actual oil mass that the corresponding relation between the fuel level sensor output valve obtains fuel tank, wherein, in the oil mass value of demarcating and the relation curve of oil mass data, adjacent by being assumed to linear relationship between described oil mass value and the determined discrete point of oil mass data.Because therefore the variation that terminal detects fuel level sensor, can add the correction of principal voltage to oil mass with the main power voltage linear change.Because fuel tank fuel quantity is not continuous variation, and change slower, therefore the mode that can adopt car-mounted terminal regularly to report is handled, like this, at first will need report the cycle of oil mass data by the computer processing system of administrative center to the car-mounted terminal configuration, car-mounted terminal regularly reports the vehicle fuel level data according to the set report cycle of the computer processing system of administrative center, report the oil mass data of monitoring vehicle in real time by this mode, and and then oil consumption added up.When the oil level signal of fuel tank is gathered, should take into full account the stable of oil mass data, vehicle also should be different to some extent according to the mode of its collection of difference of running status, such as the signals collecting under the vehicle launch state, in the start-up course, vehicle tends to produce and jolts, the interference owing to jolt, at this moment, the oil mass data that fuel level sensor is responded to are inaccurate, for the oil mass data that guarantee to gather are stably, so should reduce the acquisition time of starting state as far as possible, reducing jolts disturbs the possibility that enters, and collects as far as possible effectively, stable starting state oil mass value; During signals collecting under the travel condition of vehicle, can handle, obtain stable oil mass data by filtering algorithm; Vehicle is when halted state, a kind of is that vehicle electric does not power on, and another kind is that vehicle electric powers on, former instance, owing to do not have, fuel level sensor is not worked, and car-mounted terminal does not carry out the oil mass data acquisition, back kind situation, owing to have, fuel level sensor work, car-mounted terminal still can carry out the oil mass data acquisition, and the acquisition mode of its data is identical during with travel condition of vehicle.Give the correct time in the data acquisition, car-mounted terminal utilizes cordless communication network oil mass value and related data to be sent to the computer processing system of administrative center, the computer processing system of administrative center carries out filtering again through certain algorithm, refueled from last time, fit to a smooth curve with all historical oil mass points, the formal representation of oil mass relevant information by figure and form come out; Car-mounted terminal can change according to different oil mass acquisition states to be gathered the oil mass cycle, and in general the starting state collection period is shorter, and other state acquisition cycle is long, and this parameter with the hardware filtering circuit is relevant with the real-time report center cycle; Regularly the cycle that reports is configured by the computer processing system of administrative center, and car-mounted terminal periodically reports the oil mass data according to the cycle that the center is provided with, and adopts this mode to report monitoring vehicle ground fuel consumption data in real time, management vehicle operation effectively.
The invention has the beneficial effects as follows, owing to adopted the method for demarcating to obtain the oil mass of oil tank of vehicle and the corresponding relation between the fuel level sensor output valve, then based on the corresponding demarcation relation between the oil mass value of this fuel tank and the fuel level sensor output valve, and adopt real-time image data and to data in addition filtering algorithm handle and obtain measured value, can be real-time, accurately, report current oil mass to vehicle management center reliably, and show the oil mass ASSOCIATE STATISTICS form of the various application of output according to historical data, have the low characteristics of cost, vehicle management person can be to the real-time running state of vehicle, the real-time and effective monitoring is carried out in oil consumption, and add up by oil consumption, find out the factor that influences oil consumption, reach automobile carried out the real-time management and the effective purpose of allotment with oil.
Below in conjunction with embodiment the present invention is described in further detail; But a kind of method of monitoring automobile oil mass and accounting automobile oil consumption in real time by wireless network of the present invention is not limited to embodiment.
Embodiment
Of the present inventionly a kind ofly monitor the method for automobile oil mass and accounting automobile oil consumption in real time by wireless network, comprise demarcate and detect in real time, two processes of statistical treatment:
In calibration process, it comprises the steps:
A. the oil that in the fuel tank of designated vehicle, adds known oil mass value, detect with the fuel tank of the own fuel level sensor of vehicle known oil mass value, fuel level sensor is exported to car-mounted terminal with detected value, is processed into the oil mass data that become corresponding relation with the known oil mass value of described oil tank of vehicle by the microprocessor system of car-mounted terminal; Timing signal preferably has automobile parking the position of level, to avoid various interference; Earlier fuel tank is added to fullly, like this, can obtains the oil mass of Full Tanks and the corresponding relation between oil mass data;
B. constantly change the known oil mass value in the fuel tank of described vehicle, repeating step a obtains the oil mass data that some and the different known oil mass value of described oil tank of vehicle become one-to-one relationship; The mode that can take progressively to emit quantitative oil from fuel tank obtains other data, by from fuel tank, emitting quantitative oil, can obtain some different known oil masses and the one-to-one relationship between the oil mass data, all put up to oil fuel tank, so just obtain a series of oil mass data and become data one to one with known oil mass
C. the known oil mass value of some composition corresponding relations of further step b being obtained of the microprocessor system of car-mounted terminal becomes corresponding serial relation with the data processing of sensor output oil mass value; Wherein, in the corresponding serial relation of oil mass value and oil mass data, adjacent by being assumed to linear relationship between described oil mass value and the determined discrete point of oil mass data; 12 groups of such data of general test are just much of that, comprise two groups of corresponding datas of Full Tanks and empty fuel tank, thus, can obtain 11 local linear straight lines; If, need to obtain the oil mass value more exactly, can demarcate several groups, to obtain more local linear straight line more;
If, need to consider the influence of principal voltage, top off at first, then, by quantitatively draining the oil, write down the oil mass data of different oil level representatives and principal voltage data at that time, the oil mass data are passed through and the principal voltage match, all oil mass adjustments of data under same principal voltage, are depicted as the part and are linear curve map;
In real-time detection, statistical treatment process, it comprises the steps:
D. ride registration: the microprocessor system of car-mounted terminal sends register requirement by the GPRS/CDMA cordless communication network to the computer processing system of administrative center, after the computer processing system of administrative center is accepted register requirement, in its database, set up the data storage area of described car-mounted terminal, and the identify label ID that will give this car-mounted terminal uses when sending to described car-mounted terminal for data upload;
E. corresponding relation data sends to the computer processing system of administrative center by the GPRS/CDMA cordless communication network between car-mounted terminal oil mass value that step c is set up and the oil mass data, and the computer processing system of administrative center is preserved;
F. the computer processing system of administrative center sends the setting value of oil mass report cycle to described car-mounted terminal by the GPRS/CDMA cordless communication network;
G. the own fuel level sensor of vehicle detects the oil mass of fuel tank in real time, and fuel level sensor is exported to car-mounted terminal with detected value, is processed into the oil mass data of correspondence by the microprocessor system of car-mounted terminal;
H. cycle of setting according to the computer processing system of administrative center again of the microprocessor system of car-mounted terminal, carry out the digital filtering algorithm processing with detecting obtained some oil mass data in real time by fuel level sensor in the cycle, thereby obtain the oil mass data that can effectively report;
With the running state data collection is example, and it is greater than 0 in GPS speed that running status is gathered prerequisite; According to obtaining the oil mass data, with 10 data is one group, carry out data processing one time, at first these group data are carried out extreme value filtering, remaining data are averaged be designated as V1, be base value then with V1, filtered data are carried out at interval filtering (each is removed with the value that V1 differs by more than I1 remaining data), then remaining data are averaged as a secondary data processing base value; By this algorithm original oil mass data are obtained 10 secondary datas and handle base value, and then carry out secondary treating, 10 secondary treating base values are carried out extreme value filtering, remaining data are averaged be designated as V2, be base value then with V2, filtered data are carried out interval filtering, at last remaining data are averaged as a final effective running state data.
I. the microprocessor system of car-mounted terminal sends effective oil mass data by the GPRS/CDMA cordless communication network to the computer processing system cycle of administrative center;
J. the computer processing system of administrative center calculates the corresponding serial relation between described oil mass value and oil mass data and obtains to calculate the oil mass data according to the effective oil mass data that receive;
Under the situation that has principal voltage to proofread and correct, the computer processing system of administrative center parses oil mass data and the principal voltage data that car-mounted terminal transmits, oil mass data, principal voltage data are adjusted to oil mass under the timing signal principal voltage data, and then between described oil mass value and oil mass data, calculate the corresponding relation curve and obtain to calculate the oil mass data;
K. the computer processing system of administrative center with described calculating oil mass data and refuel once that beginning obtained in the past all calculate oil mass data and carry out the filtering fitting algorithm and handle, thereby obtain one with time/mileage unit is a transverse axis, is in length and breadth relation curve with actual oil mass value;
L. the computer processing system of administrative center according to time/mileage of being imported or the time period/mileage section condition, by above-mentioned be transverse axis with time, the oil mass value is to calculate the fuel consumption data that obtains described vehicle in length and breadth the relation curve.
Like this, the managerial personnel of administrative center can obtain the oil mass value of vehicle at any time, and the oil consumption that comes calculating vehicle according to oil mass sequential chart or oil mass mileage chart, come the factor of analyzing influence oil consumption then according to consumption indicator or oil consumption figure, can be to automobile carry out real-time management and allotment with oil.
A kind of method of monitoring automobile oil mass and accounting automobile oil consumption by wireless network in real time of the present invention, it is method by demarcating, obtain the oil mass of oil tank of vehicle and the corresponding relation between the fuel level sensor output valve, in actual measurement, then by reading the fuel level sensor output valve, and utilize the oil mass of fuel tank and the actual oil mass that the corresponding relation between the fuel level sensor output valve is obtained fuel tank, wherein, in the oil mass value of demarcating and the relation curve of oil mass data, adjacent by being assumed to linear relationship between described oil mass value and the determined discrete point of oil mass data.Because therefore the variation that terminal detects fuel level sensor, can add the correction of principal voltage to oil mass with the main power voltage linear change.Because fuel tank fuel quantity is not continuous variation, and change slower, therefore the mode that can adopt car-mounted terminal regularly to report is handled, like this, at first will need report the cycle of oil mass data by the computer processing system of administrative center to the car-mounted terminal configuration, car-mounted terminal regularly reports the vehicle fuel level data according to the set report cycle of the computer processing system of administrative center, report the oil mass data of monitoring vehicle in real time by this mode, and and then oil consumption added up.When the oil level signal of fuel tank is gathered, should take into full account the stable of oil mass data, vehicle also should be different to some extent according to the mode of its collection of difference of running status, such as the signals collecting under the vehicle launch state, in the start-up course, vehicle tends to produce and jolts, the interference owing to jolt, at this moment, the oil mass data that fuel level sensor is responded to are inaccurate, for the oil mass data that guarantee to gather are stably, so should reduce the acquisition time of starting state as far as possible, reducing jolts disturbs the possibility that enters, and collects as far as possible effectively, stable starting state oil mass value; During signals collecting under the travel condition of vehicle, can handle, obtain stable oil mass data by filtering algorithm; Vehicle is when halted state, a kind of is that vehicle electric does not power on, and another kind is that vehicle electric powers on, former instance, owing to do not have, fuel level sensor is not worked, and car-mounted terminal does not carry out the oil mass data acquisition, back kind situation, owing to have, fuel level sensor work, car-mounted terminal still can carry out the oil mass data acquisition, and the acquisition mode of its data is identical during with travel condition of vehicle.Give the correct time in the data acquisition, car-mounted terminal utilizes cordless communication network oil mass value and related data to be sent to the computer processing system of administrative center, the computer processing system of administrative center carries out filtering again through certain algorithm, refueled from last time, fit to a smooth curve with all historical oil mass points, the formal representation of oil mass relevant information by figure and form come out; Car-mounted terminal can change according to different oil mass acquisition states to be gathered the oil mass cycle, and in general the starting state collection period is shorter, and other state acquisition cycle is long, and this parameter with the hardware filtering circuit is relevant with the real-time report center cycle; Regularly the cycle that reports is configured by the computer processing system of administrative center, and car-mounted terminal periodically reports the oil mass data according to the cycle that the center is provided with, and adopts this mode to report monitoring vehicle ground fuel consumption data in real time, management vehicle operation effectively.
The foregoing description only is used for further specifying a kind of method of monitoring automobile oil mass and accounting automobile oil consumption by wireless network in real time of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection domain of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (1)
1. monitor the method for automobile oil mass and accounting automobile oil consumption in real time by wireless network for one kind, it is characterized in that: comprise demarcate and detect in real time, two processes of statistical treatment:
In calibration process, it comprises the steps:
A. the oil that in the fuel tank of designated vehicle, adds known oil mass value, detect with the fuel tank of the own fuel level sensor of vehicle known oil mass value, fuel level sensor is exported to car-mounted terminal with detected value, is processed into the oil mass data that become corresponding relation with the known oil mass value of described oil tank of vehicle by the microprocessor system of car-mounted terminal;
B. constantly change the known oil mass value in the fuel tank of described vehicle, repeating step a obtains the oil mass data that some and the different known oil mass value of described oil tank of vehicle become one-to-one relationship;
C. the known oil mass value of some composition corresponding relations of further step b being obtained of the microprocessor system of car-mounted terminal becomes corresponding serial relation with the data processing of sensor output oil mass value; Wherein, in the corresponding serial relation of oil mass value and oil mass data, adjacent by being assumed to linear relationship between described oil mass value and the determined discrete point of oil mass data;
In real-time detection, statistical treatment process, it comprises the steps:
D. ride registration: the microprocessor system of car-mounted terminal sends register requirement by the GPRS/CDMA cordless communication network to the computer processing system of administrative center, after the computer processing system of administrative center is accepted register requirement, in its database, set up the data storage area of described car-mounted terminal, and the identify label ID that will give this car-mounted terminal uses when sending to described car-mounted terminal for data upload;
E. corresponding relation data sends to the computer processing system of administrative center by the GPRS/CDMA cordless communication network between car-mounted terminal oil mass value that step c is set up and the oil mass data, and the computer processing system of administrative center is preserved;
F. the computer processing system of administrative center sends the setting value of oil mass report cycle to described car-mounted terminal by the GPRS/CDMA cordless communication network;
G. the own fuel level sensor of vehicle detects the oil mass of fuel tank in real time, and fuel level sensor is exported to car-mounted terminal with detected value, is processed into the oil mass data of correspondence by the microprocessor system of car-mounted terminal;
H. cycle of setting according to the computer processing system of administrative center again of the microprocessor system of car-mounted terminal, carry out the digital filtering algorithm processing with detecting obtained some oil mass data in real time by fuel level sensor in the cycle, thereby obtain the oil mass data that can effectively report;
I. the microprocessor system of car-mounted terminal sends effective oil mass data by the GPRS/CDMA cordless communication network to the computer processing system cycle of administrative center;
J. the computer processing system of administrative center calculates the corresponding serial relation between described oil mass value and oil mass data and obtains to calculate actual oil mass value according to the effective oil mass data that receive;
K. the computer processing system of administrative center with described calculating oil mass data and refuel once that beginning obtained in the past all calculate oil mass data and carry out the filtering fitting algorithm and handle, thereby obtain one with time/mileage unit is a transverse axis, is in length and breadth relation curve with actual oil mass value;
L. the computer processing system of administrative center according to time/mileage of being imported or the time period/mileage section condition, by above-mentioned be transverse axis with time, the oil mass value is to calculate the fuel consumption data that obtains described vehicle in length and breadth the relation curve.
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