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484 results about "Vehicle miles of travel" patented technology

Vehicle miles of travel or vehicle miles traveled is defined by the U.S. government as a measurement of miles traveled by vehicles in a specified region for a specified time period. The United States Federal Highway Administration compiles monthly and yearly VMT statistics nationally and by state.

Car sharing method and system

The invention discloses a car sharing method and system. The system comprises a reserving terminal (1), a network server (2), a vehicle-mounted device (3), a radio frequency identification card (4) and a database server (5). The reserving terminal (1) is connected with the network server (2) by means of network communication. The radio frequency identification card (4) is connected with the vehicle-mounted device (3) through radio frequency. The vehicle-mounted device (3) is connected with the network server (2) through a network. The network server (2) is connected with the database server (5) through a network. A user reserves a car needed for use and a time period through the reserving terminal (1) and sends an order to the network server (2), the network server (2) sends the order to the vehicle-mounted device (3) of the corresponding car, the user takes the car by himself / herself after arriving at a specified parking site within the reserved time period and checking the identity with the vehicle-mounted device (3) through the radio frequency identification card (4) and returns the car by himself / herself to the specified parking site within the reserved time period, and the network server (2) conducts expense settlement according to the order time of the user and the traveling distance of the car after the car is returned.
Owner:HANGZHOU EVNET INTELLIGENT TECH CO LTD

Intelligent prediction control system

The invention relates to an intelligent prediction control system for vehicle control. The system comprises three parts for information acquisition, intelligent prediction central processing and drive control. The system integrates vehicle travel information, historical road condition data, traffic condition prediction, weather condition on road, etc. to predict vehicle travel mileage, to properly arrange for use of stored power and to make a power generation strategy. It can predict the mileage that can be covered by stored power with high accuracy and safely and reliably, maximize the continuing mileage of the power and its advantages of environment protection over others. In light of the road condition prediction, on roads with varied slopes, the vehicle preferably uses the stored power and reserves power properly when traveling down slopes. For hybrid-power vehicles, when it predicts that the power cannot afford a complete run, the system can remind the driver of initiating at smooth sections of a road other drive power or of charging power. For vehicles using traditional energy, the system will preferably choose the shortest route or the road for shortest time so as to maximally reduce energy consumption and to increase the environmental-friendliness and economy of the vehicles.
Owner:李治良 +1

Method and system for controlling DPF regeneration and engine

The invention relates to the field of an engine, and in particular relates to a method and system for controlling DPF regeneration and the engine. The method for controlling DPF regeneration comprisesthe steps of according to the total running time and low-load running time of the engine, calculating a correction factor in real time; according to the last DPF regeneration time, fuel consumption and mileage, determining elapsed time, consumed fuel quantity and mileage traveled; according to the correction factor, the elapsed time, consumed fuel quantity and the mileage traveled, determining running correction time, fuel consumption collection and driving collection mileage; judging whether the running correction time, the fuel consumption collection and the driving collection mileage exceed the corresponding threshold value; and if one exceeds, triggering DPF regeneration. By calculating the correction factor in real time, the method determines the running correction time, the fuel consumption collection and the driving collection mileage according to the correction factor, the elapsed time, the consumed fuel quantity and the mileage traveled, judges whether one exceeds the threshold value, and triggers DPF regeneration. The method can control DPF regeneration according to actual working conditions and prevent DPF from being burned.
Owner:WEICHAI POWER CO LTD

Parking charging system with video recognition mode used

The invention discloses a parking charge system with a video recognition mode used. The parking charge system comprises a video recognition module, a billing module, a charging module, a management and configuration module and the like. According to the system, a video device is installed at the position of an entrance of a place in need of charging to capture a license plate and a vehicle image of a vehicle target and conduct recognition, recognized license plate information, recognized vehicle information, time information and other information are stored in the system, when the vehicle needs to leave or pay the cost, a video device at the position of an exit captures and recognizes the license plate information of a user again, searches for license plate record information stored in the system and conducts vehicle comparison to obtain the information such as the vehicle parking time, the traveled distance and the vehicle type, billing is conducted on the vehicle according to the obtained information, and the user can choose to bind a charging account to conduct online payment or conduct payment in site. Vehicle payment is conducted in the vehicle recognition mode, and therefore the service experience of vehicle payment convenient to execute is provided for the user.
Owner:SHANGHAI BOLU INFORMATION TECH

Mileage evaluation method for residual life of lithium ion battery of electric vehicle

The invention provides a mileage evaluation method for the residual life of a lithium ion battery of an electric vehicle. Historical data of an electric vehicle is collected through a cloud data platform; a data mining method is adopted to analyze the historical driving condition and historical aging path of an electric vehicle, and power battery fault early warning data, a driving condition model, a multi-dimensional coupling equivalent circuit model and a safety risk assessment method are combined to calculate the safe available driving mileage of the electric vehicle; under the condition ofnot additionally adding electric vehicle components, historical data of the electric vehicle is collected in a remote data transmission mode and is stored in the cloud data platform; the historical aging path and the remaining available life of the electric vehicle are analyzed through a data mining method; and the historical driving condition of the electric vehicle are analyzed based on the sampled speed and position information of the electric vehicle, and the current remaining driving mileage can be reasonably evaluated by calculating the available driving mileage of the electric vehicleof which the working condition is set as the historical driving condition of the electric vehicle under the condition of the current remaining available life.
Owner:BEIHANG UNIV

Mining area vehicle maintenance information prompting method

The present invention provides a mining area vehicle maintenance information prompting method, which comprises: configuring mining area vehicle base information, wherein the mining area vehicle base information comprises the mining area name, the vehicle number, the chassis number, the average daily driving mileage and the maintenance cycle; according to the current circumstance of the mining area vehicle, recording the maintenance category and the accumulated driving mileage achieving the maintenance stopping point; recording the current mileage of the mining area vehicle; real-timely receiving the mileage data collected by the sensor on the mining area vehicle, and recording the current driving mileage of the mining area vehicle; and prompting, wherein the promoting comprises: 1) customized message promoting, wherein the message prompting time is determined according to the number of the remaining days, the maintenance prompting information is sent N days in advance, and the N is the modified preset value, and 2) receiving message promoting, wherein the maintenance prompting information is sent before the remaining days are ended, and the maintenance prompting information comprises the remaining driving mileage and the remaining driving days. With the method of the present invention, through the human-computer interaction way, the vehicle management staffs can conveniently and real-timely organize the maintenance work in the batch manner so as to reduce the vehicle failure rate and improve the vehicle attendance.
Owner:WUHAN UNIV OF TECH

Bluetooth communication-based vehicle oil quantity indicating system and automatic navigation method

ActiveCN107167157ARealize function upgradeReduce midway flameout accidentsInstruments for road network navigationMachines/enginesComputer moduleVehicle miles of travel
The invention discloses a Bluetooth communication-based vehicle oil quantity indicating system and an automatic navigation method. The system comprises a Bluetooth forwarding module and an intelligent mobile phone, wherein the Bluetooth forwarding module is connected with a vehicle ECU (Electronic Control Unit) through an OBD (On-Board Diagnostics) interface to acquire vehicle oil quantity information and accelerator pedal information acquired by the ECU; the vehicle oil quantity information and the accelerator pedal information are forwarded to the intelligent mobile phone; a navigation module, an oil quantity indicating module and a remaining travelable mileage indicating module are arranged on the intelligent mobile phone; and when the remaining travelable mileage is smaller than a preset threshold value, the navigation module automatically searches position information of petrol stations within a remaining travelable range and automatically navigates. Under the condition that a vehicle body structure is not modified, a vehicle oil level indicating function can be transferred to the intelligent mobile phone, vehicle functions are upgraded at a low cost, the remaining travelable mileage can be calculated and displayed on the basis of real-time oil quantity consumption in the process that the intelligent mobile phone indicates vehicle oil quantity, and under the condition of low oil quantity, nearby petrol station information can also be automatically given.
Owner:CHONGQING UNIV

Environmentally-friendly automobile capable of using varied energy

The invention relates to a wind, light and electricity vibration multiple-energy environmentally-friendly automobile comprising an engine, a suspension with a shock absorber, a chassis, an automobile body and electric equipment. The environmentally-friendly automobile is characterized in that the back of the front shield of the automobile body is fixedly connected with a bracket, the bracket is fixedly connected with a wind resistance generator, the wind resistance generator is connected with a storage battery by a line, and the shock absorber is provided with a centralized power generation device which collects vibration and oscillation energy. The invention has the beneficial effects on comprehensively utilizing wind energy, light energy and electricity energy and collecting varied energy, such as vibration and oscillation energy centralized power generation as the power source of the automobile. Wind resistance and the power of the shock absorber generated when an automobile drives are utilized, natural or automobile internal consumption power generated by solar energy is converted into automobile power, which is safe and environment-friendly, saves energy and is environment-friendly in engineering. The invention is favorable for popularizing electric vehicles, reduces charging links and prolongs the driving mileage of the electric vehicles.
Owner:田志强

Electric automobile driving feedback system based on combination of driving data and map prediction

ActiveCN110641397ANormative driving styleLearn about enduranceInstruments for road network navigationCharging stationsTime informationDriver/operator
The invention relates to an electric automobile driving feedback system based on combination of driving data and map prediction. The electric automobile driving feedback system comprises a vehicle sensor for acquiring the real-time information of a vehicle, a vehicle-mounted map navigation system, a data transmission treatment and real-time calculating system, and a driving feedback display system, wherein the vehicle-mounted map navigation system is combined with satellite positioning to plan and navigate the vehicle driving route and inquiry the information of a nearby charging station; thedata transmission treatment and real-time calculating system is used for analyzing the vehicle real-time information, combining with the preset program to calculate the rest SOC of a battery, the driving distance of unit energy and the rest driving distance, and the 100km energy consumption under the current vehicle condition, counting the times of sudden stop and sudden starting during the driving process of the vehicle, and analyzing the driving style; and the driving feedback display system is used for displaying the feedback information of the vehicle-mounted map navigation system and thedata transmission treatment and real-time calculating system. The electric automobile driving feedback system can provide practical information including charging reminding, charging caution, the nearest charging station recommendation, real-time endurance mileage estimation and recommended charging duration for the driver intuitively and timely, displays a friendly and humanized interface and improves the driving experience of the user.
Owner:FUZHOU UNIV

Travelled distance counting device based on vehicle identification and working method thereof

The invention discloses a travelled distance counting device based on vehicle identification and capable of automatically calculating the travelled distance of a vehicle on a vehicle restricted road and a working method thereof. The device comprises a roadside base station arranged at a specific section, wherein the roadside base station internally comprises an RFID (Radio Frequency Identification) antenna and an RFID reader connected with the RFID antenna, a control module is respectively connected with the RFID reader and an Ethernet converter; the RFID antenna is used for reading information of a vehicle-mounted electronic tag in a passing vehicle; and information data is sent to a traffic control center server through the RFID reader, the control module and the Ethernet converter sequentially. The method is as follows: when the vehicle enters into the radiation range of the RFID antenna, the vehicle-mounted electronic tag sends vehicle information data to the reader through the antenna, and then the vehicle information data is sent to the control module; after judging the vehicle information data, the control module sends the vehicle information data to the traffic control center server; and a traffic control center records and accumulates the travelled distance of the vehicle in the vehicle restricted road section, wherein the travelled distance is used as a reference for collecting congestion charges.
Owner:NANJING UNIV OF INFORMATION SCI & TECH +1

Electric vehicle remaining mileage estimation method and device and electric vehicle

The invention relates to an electric vehicle remaining mileage estimation method and device and an electric vehicle, which aim to improve the remaining mileage estimation precision of the electric vehicle. The electric vehicle remaining mileage estimation method is applied to a VCU and comprises the steps that the current working state of a vehicle is judged according to running parameters of thevehicle; when the vehicle is recognized to be currently in the driving state, the vehicle theoretical driving mileage of the vehicle from the full charge state to the current display moment is calculated; according to the remaining travelable mileage corresponding to the previous display moment of the vehicle and the theoretical travelable mileage of the vehicle, the remaining travelable mileage corresponding to the current display moment of the vehicle is calculated; when the vehicle is recognized to be currently in the static discharge state or the charging state, the remaining mileage variation of the vehicle within a period of time is calculated, and according to the remaining travelable mileage corresponding to the previous display moment of the vehicle and the remaining mileage variation, the remaining travelable mileage corresponding to the current display moment of the vehicle is calculated.
Owner:深蓝汽车科技有限公司

Method for obtaining reference change amount of state of charge of battery in time domain based on driving mileage

The invention relates to the field of plug-in hybrid electric automobiles, in particular to a method for obtaining a reference change amount of a state of charge of a battery in a time domain based ondriving mileage. The method comprises the following steps that (1) sample data of vehicle driving are divided into a plurality of different typical working condition types by utilizing a working condition recognition algorithm; (2) characteristic parameters which can represent a descending rule of the state of charge of the battery is obtained through calculation by means of a dynamic planning algorithm, and a change amount of the state of charge of the battery at the average unit distance in a spatial domain of the vehicle under the same typical working condition is obtained through offlinesimulation; and (3) the reference change amount of the state of charge of the battery in the time domain of the vehicle under the same typical working condition is calculated by utilizing the change amount of the state of charge of the battery at the average unit distance in the spatial domain of the vehicle under the same typical working condition. The method solves the problem that electric quantity use of the plug-in hybrid electric automobile energy management control strategy is unbalanced, and the advantages of the plug-in hybrid electric automobile which can be externally connected withthe power supply are exerted to the maximum extent.
Owner:CHONGQING UNIV

Intelligent cargo allocation method and system based on prediction of destinations of vehicles

The invention discloses an intelligent cargo allocation method and system based on prediction of destinations of vehicles, and relates to the field of intelligent cargo allocation. The method comprises the steps that sample vehicles and alternative vehicles are determined according to the message data of all the vehicles, the sample vehicles are the vehicles which are bound for the destinations from a starting place of cargoes , the alternative vehicles are the vehicles which pass through the provinces along the way from the starting place of the cargoes to the destinations, the travelling mileage of the sample vehicles and the alternative vehicles and the number of county-level divisions which the sample vehicles and the alternative vehicles pass through in a first time period are counted, the similarity of the sample vehicles and the alternative vehicles is calculated according to the travelling mileage and the number of county-level divisions which the sample vehicles and the alternative vehicles pass through in the first time period, target vehicles are determined from the alternative vehicles according to the similarity of the sample vehicles and the alternative vehicles, and the cargo allocation information of the cargoes is sent to the target vehicles. According to the intelligent cargo allocation method and system based on the prediction of the destinations of the vehicles, the target vehicles can be recognized accurately, the accuracy of sending of the cargo allocation information is improved, resource waste is avoided, and the contradicting emotion of drivers of the target vehicles can be avoided greatly.
Owner:BEIJING TRANWISEWAY INFORMATION TECH
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