43results about How to "Reduce Range Anxiety" patented technology

The invention discloses a method for estimating the driving range of an electric car. The method comprises the steps of obtaining a current measuring value of a power battery, and calculating a current status value of the battery; obtaining a historical energy consumption value and the historical driving cycle of the whole car, predicting the future driving cycle, and calculating a predicted value of the future energy consumption of the whole car; predicting the residual usable energy of the power battery under the predicted value of the future energy consumption of the whole car according to the predicted value of the future energy consumption, the current measuring value of the battery and the current status value of the battery through an electricity-heat coupling model of the battery; and calculating the driving range of the electric car according to the predicted value of the future energy consumption of the whole car and the residual usable energy. According to the method, the residual usable energy of the power battery under the future running condition is predicted, and the accurate driving range of the electric car is calculated through prediction of the future driving cycle and by prediction of energy consumption of the car in a future period by combining the energy consumption model of the whole car, so that the mileage anxiety of passengers is reduced.

A method for recharging an electric vehicle having an electric battery for powering a vehicle drive system is provided. The method includes recharging the electric vehicle during a first period at a first electrical power and recharging the electric vehicle during a second period shorter than the first period at a second electrical power higher than the first electrical power. The recharging includes delivering coolant to the electric vehicle to cool the electric battery during the second period. Other methods of recharging an electric vehicle are also provided.

A thermal energy management system for a vehicle is provided that is configured to supply thermal energy to a passenger compartment of the vehicle. The thermal energy management system may include three thermal fluid loops. The first thermal fluid loop may include a coolant pump circulating a coolant through at least a vehicle battery, a transmission oil cooler of the vehicle, and a chiller such that the coolant is configured to selectively transfer thermal energy from the vehicle battery, the transmission oil cooler, and the chiller. The second thermal fluid loop may circulate oil through the transmission oil cooler. The third thermal fluid loop may circulate a refrigerant through at least the chiller and at least one condenser such that the third thermal fluid loop is configured to transfer thermal energy to the passenger compartment.

A method for recharging an electric vehicle having an electric battery for powering a vehicle drive system is provided. The method includes recharging the electric vehicle during a first period at a first electrical power and recharging the electric vehicle during a second period shorter than the first period at a second electrical power higher than the first electrical power. The recharging includes delivering coolant to the electric vehicle to cool the electric battery during the second period. Other methods of recharging an electric vehicle are also provided.

A method for continuously managing thermal energy in a motor vehicle includes initializing a continuous thermal energy management control loop within a controller disposed in the motor vehicle, calculating a quantity of stored energy in a thermal management system equipped to the motor vehicle, calculating a quantity of thermal energy waste in the thermal management system, determining if thermal energy is needed within a component of the thermal management system, selectively generating thermal energy, selectively transporting thermal energy to the component of the thermal management system, determining a thermal storage capacity of the thermal management system, determining if a thermal energy deficit exists within the thermal management system, and directing a flow of a thermal energy carrying liquid to a thermal energy reservoir.

A method for recharging an electric vehicle having an electric battery for powering a vehicle drive system is provided. The method includes recharging the electric vehicle during a first period at a first electrical power and recharging the electric vehicle during a second period shorter than the first period at a second electrical power higher than the first electrical power. The recharging includes delivering coolant to the electric vehicle to cool the electric battery during the second period. Other methods of recharging an electric vehicle are also provided.

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.

The present disclosure relates to a server for providing the battery display status of an electric vehicle based on the results of analysis on an electric vehicle driver's driving data and battery charging data, and a device and computer-readable recording medium for setting the battery display status of an electric vehicle. The battery display status provision server includes: a vehicle information receiver that receives vehicle identification information from a vehicle terminal; a driving data analyzer that retrieves driving data based on the received vehicle identification information and rates the driving pattern by extracting the vehicle driver's driving habits from the retrieved driving data; and a display status setting part that sets the battery display status based on the rated charging pattern and transmits the same to the vehicle terminal.

A thermal energy management system for a vehicle supplies thermal energy to a passenger compartment of the vehicle. The thermal energy management system includes three thermal fluid loops. The first thermal fluid loop includes a coolant pump for circulating a coolant through at least a vehicle battery, a transmission oil cooler of the vehicle, and a chiller such that the coolant selectively transfers thermal energy from the vehicle battery, the transmission oil cooler, and the chiller. The second thermal fluid loop circulates oil through the transmission oil cooler. The third thermal fluid loop circulates a refrigerant through at least the chiller and at least one condenser such that the third thermal fluid loop transfers thermal energy to the passenger compartment.

The invention relates to a vehicle pile-seeking charging method and system, a monitoring terminal, an electronic device and a storage medium. The vehicle pile-seeking charging method comprises the steps of: sending a vehicle charging request to a monitoring end which monitors a charging pile in a set area; Receiving feedback information sent from the monitoring terminal, the feedback information includes position data of a target charging pile, the target charging stake is a charging pile is based on a charging pile that selects from the currently used charging pile and that the vehicle takesthe charging pile for the minimum time from the initial position until -the charging pile is started to use.-; According to the feedback information, the vehicle is driven from the initial position tothe target charging stake for charging. The application of the invention can effectively reduce the time consumed by vehicle pile-seeking charging, increase the success rate of pile-seeking charging,maximize the utilization rate of the charging pile, and solve the adverse influence caused by the problems of oil vehicle occupancy and the like.

The invention provides an electric vehicle remaining driving mileage algorithm based on user experience. User driving habit analysis and expected traveling road forecast are conducted according to vehicle historical operation data, the remaining driving mileage is calculated through different algorithms according to user attention focus under different SOCs, and the real remaining driving mileageis reflected as much as possible; as for the electric vehicle remaining driving mileage algorithm, through a compensation algorithm, the remaining driving mileage estimated by the different algorithmscan be in smooth transition during crossing of SOC intervals, and jump is avoided; and optimization of the user experience is emphasized. The electric vehicle remaining driving mileage algorithm doesnot need navigation or a GPRS and is wide in applicability.

A method for continuously managing thermal energy in a motor vehicle includes initializing a continuous thermal energy management control loop within a controller disposed in the motor vehicle, calculating a quantity of stored energy in a thermal management system equipped to the motor vehicle, calculating a quantity of thermal energy waste in the thermal management system, determining if thermal energy is needed within a component of the thermal management system, selectively generating thermal energy, selectively transporting thermal energy to the component of the thermal management system, determining a thermal storage capacity of the thermal management system, determining if a thermal energy deficit exists within the thermal management system, and directing a flow of a thermal energy carrying liquid to a thermal energy reservoir.

The invention provides a thermal management method of an electric automobile and a vehicle. The method comprises the steps: in a vehicle navigation mode, obtaining a navigation route of the vehicle according to the current position of the vehicle and a preset destination position, and segmenting the navigation route to obtain a plurality of navigation road sections; acquiring current environment information of the vehicle and a current vehicle running state; acquiring a thermal management control strategy from a preset thermal management control strategy library according to the road condition corresponding to the next navigation road section of the vehicle, the current environment information and the current vehicle running state; and adopting a thermal management control strategy in the next navigation road section, and controlling a thermal management system of the vehicle correspondingly. By segmenting the navigation route and monitoring the vehicle state and environment information, the optimal thermal management control strategy of each road section is found out, and segmented thermal management control is realized, so that energy can be effectively saved, the energy utilization rate is improved, the endurance mileage of the vehicle is improved, and a guarantee is provided for the achievement of the target mileage.

The invention provides an energy feedback control method and device for an electric vehicle and the vehicle. The method comprises the steps of in a vehicle navigation mode, obtaining a navigation route of the vehicle according to the current position of the vehicle and a preset target position, and segmenting the navigation route to obtain a plurality of road sections; according to the information of the current environment where the vehicle is located, the current vehicle running state and the current residual energy of the vehicle, calculating the travelable mileage; and when the travelable mileage is less than or equal to the current display mileage of the vehicle, when the vehicle travels to the current road section, selecting one brake feedback gear from a plurality of preset brake feedback gears according to the corresponding road condition of the vehicle so as to enable the vehicle to conduct energy feedback on the current road section according to the selected brake feedback gear. According to the displayed mileage target, the navigation route is segmented, the energy recovery state is automatically adjusted according to the road condition of each road section, energy is saved, and achievement of the mileage target is promoted.

The invention provides a remaining mileage prediction method and system, computer equipment and a readable storage medium, and the remaining mileage prediction method comprises the steps: obtaining a future driving route between a current position and a final position; segmenting a future driving route, and obtaining road condition information and temperature change information of the future driving route; calculating a driving habit score according to the operation of a driver on an accelerator and a brake pedal in historical unit time; predicting total energy consumption and unit mileage energy consumption of the future driving route according to the driving habit score, the road condition information of the future driving route and the air temperature change information; according to the total energy consumption and the energy consumption per unit mileage, calculating the remaining mileage of the vehicle when reaching the final position. According to the method and the device, the calculated and estimated remaining mileage is small in error and high in accuracy, the problem that the vehicle breaks down on the half road due to misjudgment of the user for future travel planning can be avoided, and the mileage anxiety of the user during long-distance travel is reduced.

The invention relates to a shared electric vehicle path planning method fusing hierarchical planning and an A * algorithm. The method comprises the following steps of: 1) dividing a road network into a high-level road network and a high-rise road network; 2) searching by adopting the A * algorithm to obtain an entrance node o and an exit node d of the high-rise road network; (3) obtaining a sectional optimal path under corresponding planning objectives by using the A* algorithm;(4) obtaining the residual electric quantity corresponding to the optimal path, judging whether the battery electric quantity of a shared electric vehicle driven by a user is sufficient or not according to the residual electric quantity, if the battery electric quantity is sufficient, using the optimal path as the final optimal path to complete the current driving, and if the battery electric quantity is insufficient, providing a vehicle changing or charging service according to the position of a service station, and updating the residual electric quantity corresponding to the optimal path until the battery electric quantity is sufficient. Compared with the prior art, the method has the advantages of rapidness, accuracy, high search efficiency, wide application range and the like.

A controller and a control method for activating temperature control of a device of a vehicle, the controller comprising: means for, in a first mode, activating temperature control of the device of the vehicle when a measured temperature of the device passes a first threshold temperature; means for determining when a condition dependent on a journey of the vehicle is satisfied, and switching from the first mode to a second mode; and means for, in the second mode, activating the temperature control of the device when the measured temperature of the device passes a second threshold temperature, different to the first threshold temperature, wherein in the second mode, the measured temperature of the device passes the first threshold temperature without activation of the temperature control of the device before passing the second threshold temperature activating temperature control of the device.

The present disclosure relates to a server for providing the battery display status of an electric vehicle based on the results of analysis on an electric vehicle driver's driving data and battery charging data, and a device and computer-readable recording medium for setting the battery display status of an electric vehicle. The battery display status provision server includes: a vehicle information receiver that receives vehicle identification information from a vehicle terminal; a driving data analyzer that retrieves driving data based on the received vehicle identification information and rates the driving pattern by extracting the vehicle driver's driving habits from the retrieved driving data; and a display status setting part that sets the battery display status based on the rated charging pattern and transmits the same to the vehicle terminal.

The invention provides a charging navigation method, device and terminal, and relates to the technical field of navigation planning. The method comprises the following steps: acquiring a navigation path from a departure place to a destination, and calculating navigation power consumption required by the navigation path; and under the condition that the residual electric quantity of the vehicle at the departure place is smaller than the navigation power consumption, selecting at least one charging station from the navigation path, and adding the at least one charging station to a path point in the navigation path. According to the scheme, the charging station of the route can be planned in advance before the user goes out, and the mileage anxiety and the charging anxiety of the user are reduced.

The invention provides a display mileage updating method and device of an electric vehicle and the vehicle, and the method comprises the steps: obtaining the current vehicle operation state and the current environment information of a vehicle when the change of the driving road condition is recognized; according to a preset reference energy consumption model, acquiring reference energy consumption of the vehicle under the current vehicle running state and the current environment information; calculating the mileage according to the reference energy consumption and the residual energy of the vehicle; and adjusting the updated display mileage according to a preset mileage change rule in the driving process of the current driving road condition according to the drivable mileage and the display mileage currently displayed by the vehicle-mounted instrument. According to the invention, the current display mileage of the vehicle is dynamically adjusted based on the actual travelable mileage of the vehicle, so that the adjusted display mileage change can accord with the current running state of the vehicle, accurate display mileage update can be provided for a user in time, and accurate endurance is realized.

A vehicle includes a thermal energy management system with first and second thermal fluid loops. The first thermal fluid loop includes a coolant pump configured to circulate a coolant through a vehicle battery and a chiller. The second thermal fluid loop is configured to circulate a refrigerant through the chiller, a compressor, and at least one condenser. The controller is configured to control the thermal energy management system according to a passenger compartment cooling mode and a battery cooling mode. In the passenger compartment cooling mode the compressor is operated at a first power setting. In the battery cooling mode the compressor is operated at a second power setting and the chiller is controlled to transfer thermal energy from the first thermal fluid loop to the second fluid thermal loop. The second power setting is less than the first power setting.

The invention provides an energy distribution method and device for an electric vehicle and the vehicle. The method comprises the steps of obtaining information of the current environment where the vehicle is located and the current vehicle running state; according to a preset reference energy consumption model, obtaining reference energy consumption of the vehicle in the current vehicle running state and the current environment information, wherein the reference energy consumption model is obtained by correcting the actual energy consumption of the vehicle under different vehicle running states and environment information; according to the reference energy consumption and the residual energy, calculating the travelable mileage; determining the target maximum allowable discharge power of the vehicle according to the travelable mileage and the current display mileage of the vehicle; and according to the target maximum allowable discharge power, performing energy distribution on energy consumption accessories of the vehicle. The influence of the current running state and environment of the vehicle on the energy consumption of the vehicle is fully considered, the energy distribution of the energy consumption accessories of the whole vehicle is adjusted in time, and the target mileage is promoted to be achieved.

The embodiment of the present invention discloses a power battery and an electric vehicle. The power battery includes a main body, several locking cylinders and internal electrodes; the several locking cylinders are evenly distributed on both sides of the main body; The above-mentioned power battery is arranged under the vehicle body; it can be seen from the technical solutions provided by the above-mentioned embodiments of the present invention that the embodiments of the present invention set the inner electrode, the outer motor box, the locking column and the guide block, so that the power battery can be quickly replaced, Avoid long-term charging to bring time inconvenience to users; with the gradual popularization of this invention, it will substantially reduce the mileage anxiety caused by the short mileage of electric vehicles to users, and at the same time make the connection between the power battery and the body more stable.

The invention discloses a charging demand triggering and processing method based on an automatic driving shared taxi. The charging demand triggering and processing method comprises the following steps: S1, calculating the mileage of a scheme with minimum mileage increase; S2, detecting a charging demand of the automatic driving shared taxi; S3, predicting the charging completion time of the automatic driving shared taxi; and S4, processing the charging state of the automatic driving shared taxi in combination with a simulation system. According to the method, the process of'driver decision 'is not needed, the charging response efficiency of the automatic driving shared taxi is improved, and the mileage anxiety of passengers is also reduced. The electric vehicle and the automatic driving taxi are combined for research, and the condition of passenger sharing is considered, so that the unnecessary consumption of energy is reduced to a great extent on the premise that the requirements of passengers are met equally. The charging demand is discussed by using a scheme of increasing the minimum mileage, the remaining mileage of the automatic driving shared taxi can be utilized to the maximum extent, and the charging demand is excited by using less remaining mileage of the automatic driving shared taxi.

A thermal control system includes first and second components. A plurality of coolant conduits fluidly couple the components to define a coolant circuit. A pump is operable to circulate coolant among the conduits. Within the coolant circuit, the first component is upstream of the second component and the pump is upstream of the first component. A controller is configured to selectively operate according to a circuit heating mode, wherein the controller controls the pump at a first speed and controls the first respective component as a thermal source, and a local heating mode, wherein the local heating mode the control controls the pump at a second speed and controls the first respective component as a thermal source. The second speed is less than the first speed. The controller operates in the local heating mode in response to a heating request associated with the second respective component.

The invention discloses an electric vehicle charging management method, and the method can obtain the working state and position of a charging pile in a charging station in real time, can give an alarm to remind a driver in time when there are fewer available charging piles, so as to enable the driver to select a proper charging station for charging. The waiting time of the driver due to the factthat the charging pile in front of the driver is completely occupied or damaged is shortened, and mileage anxiety of the electric vehicle driver is reduced. The invention further discloses an electricvehicle charging management device and system and a computer readable storage medium, which have the same beneficial effects as the electric vehicle charging management method.

The present disclosure relates to a charging strategy for mitigating lithium plating in electrified vehicle batteries. A vehicle includes a traction battery and a controller in communication with the traction battery and configured to control the traction battery in response to a user selected charging strategy of a plurality of charging strategies having different charging rates. Charging of the battery, the user selected charging strategy is based on the detection of lithium plating in the traction battery. A method implemented by a vehicle controller in a vehicle having a traction battery may include controlling, by the controller, charging of the traction battery in response to a user selected charging strategy selected from a plurality of available charging strategies, Each of the plurality of available charging strategies has a different charging rate and is displayed on the user interface in response to detection of lithium plating in the traction battery, at least one charging strategy being selected with additional lithium plating is associated.

The invention discloses a system for reducing mileage anxiety of electric vehicle. The system includes a charging loop arranged in the middle of a highway; the upper ring groove and the lower ring groove of the charging loop are separately and fixedly provided with a positive guide rail and a negative guide rail, and the intermediate ring groove is provided with a transmission chain moving in therunning direction of the electric vehicle; multiple charging sliding blocks are arranged on the outer sides of the upper ring groove and the lower ring groove, the charging sliding blocks are in a bridge shape and two bridge legs of each charging sliding block can slide in the upper ring groove and the lower ring groove correspondingly, and the two bridge legs can be always in sliding contact withthe positive guide rail and the negative guide rail separately. The outer sides of bridge surfaces of the charging sliding blocks are provided with charging connection rods, rod tails of the chargingconnection rods are elastically hinged to the charging sliding blocks, the direction of rod heads towards the rod tails is the running direction of the vehicle; the inner sides of the rod heads of the charging connection rods are fixedly provided with magnets, and multiple magnet blocks are evenly fixed on the outer side of the transmission chain; and end surfaces of the rod heads of the chargingconnection rods are provided with charging plugs, and charging sockets are correspondingly arranged on the left sides of the heads of the electric vehicles. The system for reducing mileage anxiety ofelectric vehicle passengers can carry out charging during the running of the electric vehicle, and the endurance mileage of the electric vehicle can be significantly increased.