262results about How to "Meet driving needs" patented technology

The invention relates to a mechanism for quickly exchanging a power battery of an electric automobile. The mechanism is characterized in that: a power battery pack (1) of the electric automobile can be exchanged. A quickly-exchangeable battery structure is adopted, so that the battery of the whole automobile is easy to exchange. When the battery is low, the electric automobile quickly exchanges another set of battery by running to a battery exchange station and can drive continuously, so the driving requirement can be met completely. The invention also discloses a method for exchanging the power battery of the electric automobile.

The invention discloses an ACC/AEB system based on human-imitating driving. The system comprises an environment sensing module, a data fusion module, a decision control module, a human-imitating driving module and an execution module. By means of the technical scheme, an enhanced neural network is utilized, the learning of driving behavior parameters of a driver can be achieved in the driving process, the driving behavior parameters are compared with the parameters obtained through the calculation of the decision control module and corrected, the situation that in the decision control process,acceleration, deceleration, braking force, acceleration rate and deceleration rate are over high or over low, and accordingly the comfort and the safety of the driving are affected is avoided, so that the ACC/AEB system is more suitable for the driving characteristics of the driver, the drive is made to have the same feeling as his/her own driving, the human-imitating driving in the ACC/AEB process is achieved, and the system better meets the driving requirements of the driver.

A driving system of an electric vehicle and a method for controlling the same are provided. The driving system comprises: a power battery (100); a plurality of first in-wheel motors (200) connected with the power battery (100); a plurality of first motor controllers (300) controlling the plurality of first in-wheel motors (200) respectively; a plurality of second in-wheel motors (400) connected with the power battery (100); a plurality of second motor controllers (500) controlling the plurality of second in-wheel motors (400) respectively; and a vehicle management system controller (600) connected with the plurality of first motor controllers (300) and the plurality of second motor controllers (500) respectively, and configured to control the plurality of first in-wheel motors (200) and the plurality of second in-wheel motors (400) to start or stop during a running of the electric vehicle.

The invention discloses an EV-charging-controllability considered unit combination model and a modeling method. According to the EV-charging-controllability considered unit combination model and the modeling method, the output of a unit and total loads of an EV integrated controller serve as control objects, the EV integrated controller serves as an interaction platform of a power grid dispatching center and EVs, the dispatching center issues a charging command to the EV integrated controller, and the EV integrated controller controls the EVs in an administration region of the EV integrated controller after receiving the charging command to meet the command; constraints such as user charging requirement constraints, dispatching capacity range constraints and unit-side constraints are comprehensively considered, the minimum sum of the running cost of the unit and the dispatching cost of the EVs serves as an objective function, and the EV-charging-controllability considered unit combination model is built; the dispatching cost of the EVs is considered in the objective function of the model, the user charging requirement constraints are considered in the constraint conditions, the requirement of users for the electric quantity of the EVs serves as one condition which must be met when the dispatching center controls the EVs to be charged, and the vehicle attributes of the EVs are sufficiently considered.

The invention discloses a drive chip used for driving a display panel, a display device and a drive control method. The drive chip has N pins which correspond to N signal transmission lines arranged on the display panel, the pins and the corresponding signal transmission lines are connected through transmission wires, the transmission wires include a first transmission wire connected with the first pin and a second transmission wire connected with the second pin, and the length of the first transmission wire is larger than that of the second transmission wire. The drive chip includes a signal generation module used for generating N drive signals, the N drive signals include a first drive signal corresponding to the first pin and a second drive signal corresponding to the second pin, and the current intensity of the first drive signal is larger than that of the second drive signal. According to the drive chip provided by the invention, the power dissipation of the drive chip is reduced.

The invention relates to the technical field of charging/electric conversion of power batteries, in particular to a power battery power-on optimizing method, a power battery power-on optimizing device, a mobile terminal, a power-on facility, a computer device and a computer readable storage medium, and aims to solve the technical problem of how to reduce or avoid damage caused by the power-on process to the power batteries. The method includes the steps: acquiring battery ratings and/or user ratings of the power batteries; generating a power-on optimizing scheme of the batteries based on preset power-on optimizing strategies of the power batteries according to the battery ratings and/or the user ratings. The power-on optimizing device, the mobile terminal, the power-on facility, the computer device and the computer readable storage medium execute the power-on optimizing method. According to the method, reasonable power-on schemes of the power batteries can be determined according to the battery ratings and/or the user ratings, and the service life of the power batteries can be prolonged when driving requirements of electric automobile users are met.

The invention discloses a data communication and position detection composite system based on asymmetric structure induction ring, which includes terrestrial communication and position detection units, automotive communication and position detection units, cables laid on the center of tracks, transmitting antennas, receiving antennas and position detection antennas that are installed facing the cable between tracks under vehicle body. The terrestrial communication and positioning detection unit connects the cable between tracks, and the automotive communication and positioning unit respectively connects the transmitting antenna, receiving antenna and position detection antenna. The cable between tracks includes the first and second cable, the first cable is laid vertically along the track center, the second cable crosses with the first one at a certain distance interval, and the first one is set curved section on each crossing.

The invention relates to a vehicle-mounted interaction control algorithm based on deep learning, and belongs to the technical field of intelligent control of the internet of vehicles. The algorithm includes the steps of sparsely representing natural language data under multi-feature fusion so that word vectors, part of speech, dependence relationship and other context vectors in words, sentences and other multi-layer structures are deeply fused, and sparsely representing fused word vectors; optimizing a natural language deep learning model under half-monitored learning so that the deep learning model can be matched with a natural language task, and rapidly switching a gradient learning mechanism according to different training environments; establishing and deducing a natural language tensor knowledge map under representation learning so that the entity, concept, classification and semantic relationship in the knowledge map can be converted into numerical vectors in the same semantic space, obtaining knowledge feature vectors through multi-column convolution neural network learning, and conducting knowledge deducing through calculation of the similarity score of target question vectors and the knowledge feature vectors. The natural language information of user interaction can be effectively responded to, and the driving requirements of a user are met.

The invention relates to a hybrid electric vehicle transmission device. The hybrid electric vehicle transmission device comprises a planetary gear coupling mechanism, wherein the planetary gear coupling mechanism comprises a single-planetary row and a double-planetary row, the single-planetary row comprises a first sun wheel, a first planet gear, a first planet carrier and a first gear ring, and the double-planetary row comprises a second sun wheel, an inner planet wheel, an outer planet wheel, a second planet carrier and a second gear ring. An input shaft is used as the first transmission shaft, the two sun wheels are connected with each other and then connected with a rotor shaft of a second motor, and a second transmission shaft is constituted. The two planet carriers are connected to constitute a third transmission shaft, the first gear ring is connected with a rotor shaft of a first motor to constitute a fourth transmission shaft, and the second gear ring constitute an output shaft. The input shaft is connected to the output end of an engine through a torsional shock absorber. The first motor is connected to one end of a first brake, and a transmission housing is connected tothe other end of the first brake. The second motor is connected to one end of a second brake, and the transmission housing is connected to the other end of the second brake. By using the embodiments of the hybrid electric vehicle transmission device, the device structure can be optimized, and the transmission efficiency is improved.

The invention discloses an electronic multiplying charge coupled device (CCD) sine wave driving method. A series of adjustment is performed on a sine wave code stream to obtain relations between phase differences and CCD image data mean values, and an optimal phase difference is determined by a fitted curve to correct an initial sine wave code stream. In the method, rough adjustment and fine adjustment are performed on sine wave phases to obtain a relation curve for the phase differences and the CCD image data mean values, thereby determining the phase difference corresponding to a maximum CCD image data mean value to accurately correct sine waves to obtain an optimized electronic multiplying CCD driving signal and finally fulfill the aims of optimizing system imaging and improving imaging quality; and a direct-digital-synthesizer (DDS)-based digital/analogue hybrid circuit technology is adopted, and the linear amplification of the sine waves is realized by a high frequency high voltage amplification circuit.

The invention provides a sliding energy recycling method and device of a pure electric vehicle and the pure electric vehicle. The method comprises the steps of judging whether the pure electric vehicle enters a sliding energy recycling mode or not; when the pure electric vehicle enters the sliding energy recycling mode, obtaining driving condition information of the pure electric vehicle; according to the driving condition information, determining target torque needed by the sliding energy recycling mode; according to the target torque, controlling a motor of the pure electric vehicle to enter the power generation status, and performing sliding energy recycling. According to the scheme, different torque recycling requirements of drivers under different driving conditions are considered, and the driving feeling of the drivers is improved.

The invention discloses an automobile and a transfer case thereof. The transfer case comprises an input shaft, a front output shaft and a rear output shaft, and further comprises a planetary gear mechanism arranged on the front input shaft, a first power switching part, a central differential mechanism, a second power switching part, a locking part and a clutch assembly, wherein the first power switching part can be connected with the power output end and the front input shaft of the planetary gear mechanism in a switching mode; the central differential mechanism is arranged on the rear output shaft; the second power switching part can be connected with the central differential mechanism and the rear output shaft; the locking part is connected with the power input end of the central differential mechanism and the power input end of a front shaft transmission mechanism so that the central differential mechanism and the front shaft transmission mechanism can synchronously rotate; the clutch assembly is arranged on the rear output shaft and can transmit power on the rear output shaft to the front output shaft. The transfer case is a full-mode transfer case and has a plurality of working modes, the different working modes can be selected at will according to the operation intention of a driver and changes of road conditions, functions of the transfer case are increased, and the transfer case can meet drive requirements of the automobile more sufficiently.

The invention discloses a power system of an electric car. The power system comprises a first power subsystem, a second power subsystem, a gearbox and a vehicle control unit, wherein the first power subsystem comprises a first power battery, a first battery managing device connected with the first power battery, a first motor controller connected with the first battery managing device, and a first motor connected with the first motor controller; the second power subsystem comprises a second power battery, a second battery managing device connected with the second power battery, a second motor controller connected with the second battery managing device, and a second motor connected with the second motor controller; the gearbox is respectively connected with the first motor and the second motor; the vehicle control unit is respectively connected with the first motor controller and the second motor controller and used for controlling the first power subsystem and the second power subsystem according to the working mode of the electric car. The power system is high in reliability and high in usability, and can ensure the safety of the electric car in running.

The invention discloses a plug-in four-wheel driven vehicle dynamical system fault handling method. Running status data monitored by dynamical systems in a four-wheel driven vehicle are obtained, eachdynamical system includes a whole vehicle control system, a front drive motor system, an electric generator system, a front axle clutch system, a rear drive motor system, an engine system and a powerbattery system; whether the current operating dynamical system is faulty or not is determined according to the running status data; when the current operating dynamical system is judged to be faulty,a none-faulty system is selected from the dynamical systems according to the current vehicle information to serve as a power source for driving the vehicle. The problem that the vehicle can not travel when one or several power sources of the current hybrid four-wheel driven vehicle are faulty is solved. When the vehicle is faulty, the set safe state is guaranteed to achieve, meanwhile the runningrequirement of a driver can be met. In addition, the invention also provides a plug-in four-wheel driven vehicles dynamical system fault handling system and the vehicle.

The invention relates to a method for calculating and processing the accelerator pedal opening degree of a pure electric vehicle. In the prior art, in calculation of the accelerator pedal opening degree without faults, processing measures are focused on consistency detection without faults or at fault state, and determination on the linearity is insufficient. The method for calculating and processing the accelerator pedal opening degree of a pure electric vehicle is provided and comprises the steps: 1, acquisition of two paths of voltage; 2, judgment on effectiveness of the two paths of voltage; 3, zero pedal opening degree identifying; 4, two paths of voltage opening degree calculating; 5, two paths of pedals linearity judging; 6, two paths of pedal synchronization degree judging; step 7,pedal opening degree output processing; and 8, virtual pedal opening degree calculating. According to the method, the opening degree of the accelerator pedal can be accurately calculated and processed, the driving requirement of a driver is met as much as possible, and safety guarantee is provided for the performance such as the dynamic property and comfort of a vehicle.

The invention provides a variable air inlet grille of an automobile radiator, and belongs to the technical field of automobiles. The variable air inlet grille of the automobile radiator solves the technical problem that an existing automobile air inlet grille cannot be adjusted between the fully-opened state and the fully-closed state. The variable air inlet grille of the automobile radiator comprises a grille frame fixedly arranged at the front end of an automobile. A support is fixedly arranged in the grille frame, a plurality of grille pieces are evenly arranged on the support, and the middle of each grille piece is connected to the support in a rotary mode. The variable air inlet grille further comprises a plurality of connecting rods, each grille piece is hinged to the corresponding connecting rod, the grille pieces are parallel to one another, and when all the grille pieces are rotated onto the same plane, a frame opening of the grille frame can be covered. An adjusting structure which can be used for adjusting the angles between the grille pieces and the connecting rods is arranged on the support. The variable air inlet grille of the automobile radiator has the advantages of being simple in structure, capable of being adjusted between the fully-opened state and the fully-closed state and the like.

The invention relates to a method for displaying remainder driving ranges of hybrid electric vehicles. The method includes associating displayed fuel remainder driving ranges and displayed electricity remainder driving ranges with historical fuel consumption level and historical electricity consumption level of the vehicles when current driving ranges are shorter than first distances; disassociating the displayed fuel remainder driving ranges and the displayed electricity remainder driving ranges from the historical fuel consumption level and the historical electricity consumption level of the vehicles when the current driving ranges are longer than second distances. The invention further relates to a device for displaying the remainder driving ranges of the hybrid electric vehicles. The method is implemented by the device.

The invention discloses an array substrate, a driving method of the array substrate, a flexible display device and an electronic device. The array substrate comprises an array layer. The array layer comprises a plurality of data lines, a plurality of grid lines and thin film transistors, wherein the data lines and the grid lines intersect on the flexible substrate to form a plurality of sub-pixel regions. The thin-film transistors are arranged in the sub-pixel regions and connected with the corresponding data lines and the corresponding grid lines. The array substrate further comprises driving units used for outputting driving signals to the corresponding data lines connected with the driving units. Corresponding to the corresponding data line, each driving unit comprises a signal generation sub-unit and a selection sub-unit, wherein the signal generation sub-unit is used for generating an original data driving signal which comprises a real data driving sub-signal for driving a sub-pixel and a virtual data driving sub-signal, and the selection sub-unit is used for screening out the real data driving sub-signal from the original data driving signal and outputting the real data driving sub-signal to the corresponding data line so as to drive the sub-pixel. According to the array substrate, the driving method of the array substrate, the flexible display device and the electronic device, driving flexibility of the array substrate is improved.

The invention provides an electric car control method and device and an electric car. The method includes the steps that the car speed and an accelerator pedal signal of the electric car are obtained; and according to the car speed, the accelerator pedal signal and the pre-recorded gear-shifting corresponding relationship of the car speed and the accelerator aperture, when the electric car meets the preset condition, two-gear speed changing boxes of the electric car are controlled to conduct gear shifting. According to the obtained car speed and the accelerator pedal signal of the electric car, by means of the pre-recorded gear-shifting corresponding relationship of the car speed and the accelerator aperture, the two-gear speed changing boxes of the electric car are controlled to conduct gear shifting, and therefore the overall car performance of the electric car can reach the expected requirement, the working efficiency of a motor is improved, and the driving requirement of people is met.

The invention discloses a control method for an electronic control mechanical automatic transmission. The control method comprises the steps of: obtaining a current gear and a target gear, and comparing the current gear with the target gear; if the current gear is consistent with the target gear, performing no intervention on a power source; and if not consistent, searching a torque adjustment gradient table to generate a target torque, sending a command to instruct the power source to adjust the torque, and judging a torque adjustment completion status. By utilizing the control method, gears can be smoothly switched, the driveability is improved through a reasonable method, and the driving conformability is improved.

The invention provides a temporary manual gear-shifting control method for an automatic transmission under a ramp condition. According to the temporary manual gear-shifting control method for automatic transmission under the ramp condition, an actual gear obtained through operation conducted on a gear-shifting sheet by a driver currently is compared with a theoretical gear calculated in an automatic gear-shifting ramp mode, and the intention of power uphill of the driver under the ramp condition and the intention of brake downhill of an engine are comprehensively judged according to the position of an accelerator pedal and the ramp mode; and when specific conditions are met, a corresponding counter stops temporarily to meet the requirement for power uphill of the driver or the requirementfor brake downhill of the engine; or, counting continues to be conducted, and when the corresponding counter reaches 0, a vehicle exits a temporary manual mode. By adoption of the temporary manual gear-shifting control method for the automatic transmission under the ramp condition, the requirement for power uphill of the driver and the requirement for brake downhill of the engine can be accuratelyjudged, and the vehicle is kept in the temporary manual gear-shifting mode and returns to an automatic gear-shifting mode at the proper time.