44results about How to "Meet dynamic needs" patented technology

The invention discloses an uplink power control method, equipment and system. The method comprises the steps that network side equipment configures at least two sets of uplink power control parameters corresponding to uplink signals for user equipment; the user equipment is informed with the configured sets of uplink power control parameters, so that the user equipment determines the emission power of the uplink signals. According to the technical scheme, the uplink emission power can be controlled flexibly.

The invention discloses a method for calculating the torque required by an electric automobile driver. The method includes the following steps that the style of the driver and the driving intension of the driver are detected, and the required torque is calculated; the safe interval is detected, and safety modification is conducted on the required torque. According to the method, the driving style and the driving intention of the driver are recognized, torque coefficients required under different styles and different intentions are adjusted, and therefore power is obviously improved for a dynamical type driver under the situation the opening degree does not approach the opening degree of a saturated accelerator pedal, power changes are gentle for an economical type driver under the situation of the normal small pedal opening degree, the situation that economical efficiency is reduced when the load changes of a power system are overlarge is easily reduced, the required torque can be increased according to the emergency degree of acceleration, and the instant requirement of the driver for the dynamic property of the automobile is met. Due to the fact that the maximum torque required by the driver is limited within the critical safety modification distance, when the calculation result is smaller than zero, the torque required by automobile power is forced to reset; the automobile can safely run after other automobiles, and tailgating traffic accidents are avoided.

The invention discloses a network monitoring and analyzing system under an environment of a virtual machine. The system comprises a network data multiplexing module, a lightweight level virtual machine manager module, a virtual machine control module, a service virtual machine module and an I/O access path optimization module, wherein the network data multiplexing module and the lightweight level virtual machine manager module are positioned in an operating system of a host computer, the virtual machine control module and the service virtual machine module are positioned on the operating system of the host computer; and the I/O access path optimization module is positioned in the operating system of the host computer and the service virtual machine. The network monitoring and analyzing system is based on the virtual machine and realizes the network data multiplexing of a single physical machine to a plurality of network monitoring and analyzing service programs, thereby providing a plurality of monitoring and analyzing functions for the same network data in real time, realizing safe isolation between the service programs and dynamically adjusting and distributing resource to the service programs according to requirements. The network monitoring and analyzing system overcomes the problems that the prior network monitoring and analyzing system has resource competition, low safety, instability of the system, uneasy expansion and the like.

The invention provides a real-time data distribution system and method based on an Openflow protocol. A communication framework proposed by the invention combines a DDS and an SDN to support efficient dynamic distributed application. The system mainly includes an underlying network device, a DDS interface API, a controller, a DDS agent, a northbound interface and an application service. The DDS agent, the DDS interface API, and a routing agent in the underlying network device are components of the DDS system. The northbound interface, the controller, a southbound interface, an OF switch, and the Openflow protocol are components of the software defined network. The SDN brings flexibility to the network and provides the set of on-demand dynamic communication network service quality. The invention distributes a corresponding flow table for a device in a data forwarding plane by using a Meter table mechanism achieving a QoS function in the Openflow protocol, allocates the network resources collectively and improves the utilization rate of the whole network.

The embodiment of the invention provides a method and device for disabling a browser plug-in and a terminal. The method comprises the following steps of: acquiring an event processing function of the browser plug-in; and modifying the event processing function so that the event processing function is invalid to disable the browser plug-in. According to the embodiment of the invention, the browser plug-in can be disabled without restarting a browser, so the security of a system is improved, and dynamic requirements under certain scenes are met.

The invention relates to the technical field of electric driving and specifically relates to a controller integrated electric driving system. The controller integrated electric driving system comprises a motor controller and a motor; a DC bus inlet socket for power input and a signal output socket for signal output are arranged on a housing of the motor controller; a motor resolver signal wiring harness connected with the signal output socket is arranged on the motor; a three-phase high-voltage power output end of the motor controller is connected with a three-phase high-voltage power input end of the motor; the bottom of the housing of the motor controller is in threaded connection with the top of the motor; suspension mounting points connected with a vehicle body are arranged on the motor. The motor controller is fixed on the top of the motor by use of a bolt, and a set of suspension mounting points for installation with the vehicle body is arranged on the motor, and therefore, the occupied space of the driving system is greatly saved; a copper bar is adopted to take the place of a traditional three-phase high-voltage wiring harness for connection, and therefore, the occupied space is further saved; meanwhile, the reliability of the driving system is improved and the cost is reduced.

The invention discloses a spacecraft power system based on superconducting magnetic energy storage and a control method. The spacecraft power system comprises a solar cell array, a power control unit, an energy bi-directional flowing converter, a logic and control unit, and a superconducting coil. The power control unit adjust output voltage of the solar cell array, to generate stable primary bus voltage. A variable acquisition and processing module in the logic and control unit acquires the primary bus voltage and processes the primary bus voltage. After processing, the logic and control unit performs logic determination on obtained variables, and a pulse generation, driving, and protection circuit module generates a corresponding pulse signal according to logic determination result. The pulse signal controls the energy bi-directional flowing converter. The energy bi-directional flowing converter is used to realize a primary bus charging the superconducting coil, the superconducting coil discharging to the primary bus, or a freewheeling function of the superconducting coil. The spacecraft power system solves problems that a conventional space power system cannot supply power for large power pulse loads.

The invention discloses a method of giving machines artificial intelligence learning based on the knowledge of psychology, comprising the following steps: (a) word classification and intelligent abstract preprocessing are carried out on a document in a document library to get a keyword, a correlation analysis of the keyword is made, values provided by the previous steps are processed, the criticality score of the keyword to the document is calculated out, and a keyword with an assigned value is obtained; (b) the personality of a user is analyzed according to the knowledge of psychology to get the personality tendency value of the user; (c) the personality tendency value obtained in step (b) is matched with the keyword criticality score obtained in step (a) to get a document library with personality tendency attribute; and (d) when the user issues an access request, the document library with personality tendency attribute gives a document with personality tendency attribute. Through a recommending method based on user's personality, the behavior of a user can be accurately predicted under specific space-time dimension and scene dimension. Through the method, the content that users will truly view can be predicted and recommended.

The invention discloses a dual-motor drive electric wheel system for an electric motor coach. The dual-motor drive electric wheel system comprises two hub motors, rims, motor housings, a motor shaft, three brakes, a planet mechanism and the like. The rims are connected with a planet carrier supported on a rotor support through bolts; a rotor of the first hub motor is fixed to the rotor support and is supported on the motor shaft through a bearing; a brake caliper of the first brake is fixed to the first hub motor housing, and a brake disk is installed on the rotor support. A stator of the second hub motor is installed on a stator support solidified to the motor shaft, a brake caliper of the second brake is fixed to the motor shaft, and a brake disk is fixed to the second hub motor housing. A gear ring of the planet mechanism is fixed to the second hub motor housing. A wheel brake caliper is fixed to the first hub motor housing, and a brake disk is fixed to the planet carrier. According to the dual-motor drive electric wheel system, through the cooperative usage of the dual motors, the brakes and the planet mechanism, the functions of fixed transmission ratio transmission and stepless speed regulating can be achieved.

A rubber pad for coil springs in series comprises a metallic top plate, an elastic rubber body and a metallic base plate from top to bottom, wherein a metallic ring is fixed to the center of the top surface of the metallic top plate and is used for positioning the coil springs; the portion, connected to the elastic rubber body, of the bottom surface of the metallic top plate is an upper arc surface which is upwards concave; the portion, connected to the elastic rubber body, of the top surface of the metallic base plate is a lower arc surface which is upwards convex; the upper arc surface and the lower arc surface are coaxial arc surfaces arranged along the horizontal lengthwise direction of the rubber pad; the axial direction of the upper arc surface and the lower arc surface is in accordance with the horizontal widthwise direction of the rubber pad; and the perpendicular bisectors of the upper arc surface and the lower arc surface and the perpendicular bisector of the rubber pad coincide. The rubber pad for the coil springs in series of the invention is connected with the coil springs in series to form a composite spring system to meet the dynamics requirements of locomotive vehicles and prolong the service life of the coil springs. The invention also provides a method for adjusting the stiffness of the rubber pad for the coil springs in series.

The invention relates to an accelerator pedal torque request calibration method, belonging to the technical field of vehicle torque demand calibration. Firstly, determining a driving force and runningresistance curve of an automobile according to the basic parameters of the automobile; then determining a driving force request curve of the wheel end in 100% accelerator pedal; calculating the driving force request curve of the wheel end in partial accelerator opening; and finally, converting the driving force request of the accelerator pedal at the wheel end to a crankshaft end of the engine, so as to obtain a map of the accelerator pedal required torque required to be output by the engine under a plurality of gear positions. The accelerator pedal torque request calibration method disclosedby the invention is novel and practical, and can reduce the shift impact; and the controllability to the automobile speed of the driver is achieved by forming an accelerator pedal insensitive area near the running resistance curve of the automobile; therefore, the driving quality of the automobile is effectively improved.

The invention provides a method of automatically selecting auxiliary time benchmark. Interaction of neighbor link state information is periodically carried out through nodes, the best auxiliary time benchmark node is thus dynamically selected, and thus, the time synchronization problem of a time division multiplexing network is solved. The method can be used in a two-hop data link network and canalso be used in a multi-hop ad hoc network. The method is applied in practical engineering, the dynamic requirements of the network are effectively met, and the network synchronization accuracy is improved.

The invention discloses a vehicle torque control method and device and a computer readable storage medium, and the method comprises the steps: determining the current maximum available power and the current maximum available current of a motor of a vehicle according to the current maximum discharging capacity of a battery when the vehicle runs; according to the current maximum available power of the motor and the vehicle speed of the vehicle, determining the current maximum torque of the motor; determining the current compensation torque of the motor according to the current maximum available current of the motor and the actual current of the motor; and determining the current maximum torque which can be provided by the motor according to the current maximum torque and the current compensation torque of the motor. According to the scheme, battery energy can be output to the maximum extent, and battery over-discharge caused by motor driving is avoided.

The invention discloses a bogie and a traction apparatus thereof. The traction apparatus comprises a swing bolster and four springs. The swing bolster is transversely arranged along a bogie frame, thefour springs are respectively arranged at two sides of two transverse ends of the swing bolster, one end of each spring is connected with the swing bolster, and the other end is connected with the bogie frame. According to the traction apparatus provided by the invention, only three parameters of the vertical rigidity, the longitudinal rigidity and the transverse rigidity of the spring need to beconsidered when parameter matching is carried out, the matching process is simple and easy to implement, and an optimal matching result is convenient to obtain, so that the bogie equipped with the traction apparatus can obtain better dynamics performance and especially better hunting stability. Moreover, the traction apparatus provided by the invention is simple in structure, convenient to arrange and adjust, high in reliability, and beneficial to the strength design of the bogie frame and the swing bolster; and the bogie equipped with the traction apparatus is lighter in weight and relatively higher in load carrying capacity.

The invention provides a double-motor electric drive axle structure which comprises a first input shaft connected with a first motor; a first gear and a second gear; a sliding sleeve; a first parallel shaft; third to fifth gears; an intermediate shaft; a planet row; a second input shaft connected with a second motor; a second parallel shaft parallel to the second input shaft; a seventh gear and an eighth gear; and a differential. The system is compact in structure, the arrangement space is saved, and it can be guaranteed that power of the vehicle is not interrupted when climbing.

The invention relates to a method and device for controlling the air inflow of an engine, a storage medium and electronic equipment. The technical problem that an existing vehicle with an engine with a low-pressure exhaust gas recirculation system has power lag is solved. The method is applied to the vehicle, the vehicle comprises an engine and a low-pressure exhaust gas recirculation system, and the method comprises the steps that the current opening degree of an accelerator pedal of the vehicle and the current rotating speed and the current torque of the engine are obtained; the target air inlet pressure and the target air inlet amount of the engine are determined according to the current opening degree, the current rotating speed and the current torque; according to the target air inlet pressure, the target air inlet amount and a preset first mapping relation, the target opening degree of a supercharger bypass valve of the corresponding engine is determined; and when it is determined that the vehicle meets the preset power lag condition, an EGR valve of a low-pressure exhaust gas recirculation system is closed, and the actual opening degree of a supercharger bypass valve is controlled according to the target opening degree and a preset correction coefficient.

The invention discloses a zero-cold-water water heater and a method for controlling the zero-cold-water water heater based on Bluetooth, and belongs to the technical field of water heaters. The method for controlling the zero-cold-water water heater based on Bluetooth comprises the following steps that after a mobile terminal is carried to a preset range of a water heater body, a first Bluetooth transceiver on the water heater body is connected with a second Bluetooth transceiver on the mobile terminal, an APP module on the mobile terminal sends a heating control command to an electric control module, and the electric control module controls a heating module to heat water in the water heater body; and after the mobile terminal is taken out of the preset range of the water heater body, the first Bluetooth transceiver on the water heater body is disconnected with the second Bluetooth transceiver on the mobile terminal, and the electric control module controls the heating module to stop heating water in the water heater body. Energy can be saved, and the dynamic requirements of users can be met.

The invention discloses a picture target object identification method, a storage medium and a device in the technical field of picture target object identification methods; the device comprises a target object construction module, an image acquisition module, an object identification module, a processor and a memory, and the target object construction module is in electrical output connection with the object identification module; the object identification module is in electrical output connection with a processor, the processor is in electrical output connection with a memory, and a data calling unit can call a passed target picture, so that data calling of the picture is realized; according to the invention, the new picture information released by the target user concerned by the device user can be automatically obtained by using the target image uploaded by the device user, so that the dynamic demand of the device user for concerning the target image is met, the accuracy of picture recognition is improved, and the diversity and interaction efficiency of human-computer interaction are improved.

The invention provides a dual-output driving motor for a vehicle, and the two motor shafts are of a structure with double bearings nested in the middle, thereby enabling the axial centering degree tobe good, and guaranteeing the vibration noise. A first stator and a second stator are fixedly arranged in an inner cavity of the machine shell in the axial direction in sequence, the first stator andthe second stator are arranged at intervals in the axial direction, no partition plate exists, a first rotor is arranged in the center of the first stator, a second rotor is arranged in the center area of the second stator, and the first rotor is fixedly arranged in the corresponding axial area of the first motor shaft in a sleeving mode. The second motor shaft is a hollow shaft, a penetrating hollow cavity is formed in the center of the second motor shaft, the output end of the first motor shaft is arranged in the penetrating hollow cavity in a centering mode, and at least two supporting bearings are arranged in a gap ring space formed by axial overlapping axial areas of the second motor shaft and the first motor shaft. The inner ring of the supporting bearing is sleeved at the corresponding shaft end of the first motor shaft, and the outer ring of the supporting bearing is arranged close to the inner wall of the corresponding shaft end of the second motor shaft.

The invention provides an automobile lighting device for realizing a 3D dynamic visual effect by utilizing a peripheral drifting illusion principle. The automobile lighting device comprises a PCB, first LED light sources, second LED light sources, a reflection device, a transparent light guide plate and a transparent covering thin layer. The first LED light sources and the second LED light sourcesare arranged on the PCB, the transparent light guide plate is arranged in front of the PCB, the reflecting device and the transparent covering thin layer are arranged on the two sides of the transparent light guide plate respectively, and the first LED light sources and the second LED light sources are consistent in number and have two different colors respectively. The simple PCB, the LED lightsources, the reflection device, the transparent light guide plate and the transparent covering thin layer are adopted, light of the two rows of LEDs respectively passes through the reflection device and the transparent light guide plate to finally form a four-color light-emitting mechanism with a specific pattern on the transparent covering thin layer, and a 3D dynamic visual effect in a static environment is realized by utilizing a human eye periphery drifting illusion principle.