1005results about How to "Real-time adjustment" patented technology

The invention relates to a method for realizing vehicle-mounted mobile self-organized network routing, which is characterized by comprising the following steps that: (1) a static node is arranged at each intersection; (2) when forwarding a data packet, a source node can forward the data packet to the static node relatively close to a target static node at one end of a road section where the source node is positioned; (3) when forwarding the data packet, the static node firstly judges whether the static node closer to the target static node is in a neighbouring list or not, if so, the static node directly forwards the data packet to the corresponding static node, otherwise, the static node selects a neighbouring road section according to a road section selection algorithm, and then appoints another static node on the selected road section as the static node of a road section receiving terminal, wherein the neighbouring road section is not the road section which just receives the data packet; and the road section direction of the neighbouring road section is close to the target static node; and (4) when receiving the same data packet transmitted from the same source node from different road sections, a routing static node selects an optimal route which is high in the success rate for receiving the data packet and relatively short in delay time, and forbids the receiving routes which are not optimal at the same time.

The invention relates to a time synchronization device in a radio navigation system, in particular to a high-precision time synchronization device, which solves the problems in the prior time synchronization device including long-time synchronization adjustment and inability of real-time monitoring and adjustment of clock signal. In the device of the invention, an industrial computer obtains phase difference signal output from a phase comparator via a GPIB bus, and respectively transmits a control signal to a synchronizer trigger, an atomic clock and a signal source via a RS232 serial communication bus; and the industrial computer further controls the operating state and the switching thereof. The operating state includes time synchronization state: the phase comparator obtains the phase difference of signals output from the synchronizer trigger and the atomic clock, and the industrial computer adjusts the signal output from the atomic clock to synchronize with the signal output from the synchronizer trigger; and monitoring state: the phase comparator obtains the phase difference of signals output from the atomic clock and the signal source, and the industrial computer adjusts the signal output from the signal source to synchronize with the signal output from the atomic clock.

The invention provides a path planning method for an unmanned vehicle under the structured environment, and comprises the following steps: S1, positioning; S2, analyzing the road condition of the current lane, determining whether complete re-planning needs to be carried out or not, and if yes, turning to the step S3, if not, S4, carrying out the complete re-planning; S4, updating a local planningresult. The invention aims to design a planning method of an unmanned vehicle under a structured environment integrating path planning and channel changing decision, so that the safety and the comfortof the running of the unmanned vehicle are guaranteed.

The invention discloses a photographing method and device based on double cameras, and a mobile terminal. The method comprises the steps of obtaining an image collected by a first camera and the image collected by a second camera; carrying out foreground area and background area division on the image collected by the first camera and the image collected by the second camera; carrying out foreground area removal on the image collected by the first camera, thereby forming a background image; carrying out background area removal on the image collected by the second camera, thereby forming a foreground image; and synthesizing the background image and the foreground image according to set attitudes, thereby forming a final image. According to the method, the device and the mobile terminal, the attitudes of the foreground and background in a photographing scene can be adjusted dynamically in real time, operations are convenient and fast, the interestingness is high, and the photographing experience of a user is improved to the greatest extent.

The invention provides a robot-assisted system and method for controlling a flexible needle to puncture soft tissues in real time, belonging to the technical field of medical equipment for minimally invasion surgeries (MIS). The system comprises a flexible needle puncture device, a driving device, a mechanical sensor, a data acquisition card and a computer, wherein the computer comprises stepping motor movement control software, force signal processing software and a flexible needle control algorithm. The method is used for realizing needle puncture movement through the following steps: regarding puncture process as a quasi-static process and any needle section as a cantilever, wherein each needle section is described by vector and is regarded as a cantilever; computing the deflection and cross section rotating angle of the needle section according to the theory of cantilever; and computing the positions of the needle body and the needle point in real time by iteration. According to the invention, real-time adjustment of the position of the needle body in the process of puncture is realized, thus effectively keeping away from the barriers in the process of puncture and precisely hitting the target; and further the degree of fatigue of the doctors is reduced, pains of the patients are alleviated, and the surgery risks are reduced.

The method comprises: a) after receiving the routing maintenances packet, the node maintains and updates its own routing neighbor list, and selects the neighbor nodes whose gradient value are less than its own gradient value and which have link symmetry from the updated routing neighbor list; the node compares the out-going degrees of the selected neighbor nodes, and takes the neighbor node with maximal out-going degree as the optimal next jump node; c) the node establishes the route between itself and the optimal next jump node.

The invention discloses a system for remotely monitoring automatic welding of a mobile robot based on an FPGA. The system comprises a welding robot, a welding seam position detection sensor system, a control cabinet and a remote operation controller based on the FPGA. The welding robot is used for clamping a welding gun, carrying the sensor system and driving the welding gun to move in the X, Y and Z directions. The welding seam position detection sensor system is used for sending position signals in the Z direction, broken line laser images and welding scene videos to the remote operation controller. The remote operation controller is used for setting welding parameter values, displaying remote welding scene videos, working out the needed moving distances of the welding gun in the Y direction and the Z direction, sending pulse and direction signals to the control cabinet and automatically adjusting the position of the welding gun in the Y direction and the Z direction. The control cabinet is used for controlling a stepping motor to rotate so as to adjust the positions of the welding gun in the Y direction and the Z direction.

The invention discloses a wind farm energy storage capacity optimization method in consideration of optimal desired output and charge state. The method comprises the steps as follows: firstly, a computing method of an optimal desired output is proposed and utilizes a function with minimum square deviation of offset of a grid-connected power target value as an objective function, setting subjectivity of a stabilizing fluctuation output power target value is eliminated, and the computing method serves as the premise of energy storage capacity optimization; secondly, an energy storage SOC (state of charge) parameter is introduced, charge-discharge power is timely adjusted on the basis of the fuzzy control theory, SOC and charge-discharge states, an energy storage charge-discharge strategy is built, and excessive charge and discharge are effectively restrained; and finally, an optimal model is built with minimum sum of the penalty cost associated with the SOC and the operation cost, so that the energy storage capacity optimization integrating a schedule decision-making requirements, energy storage operating service life and economic efficiency is achieved, and related optimizing problems are solved with improved PSO (particle swarm optimization). The solution algorithm provided by the method is fast, efficient, and strong in convergence capacity.

The invention provides a user identification method and system, aiming at the problem that users can not be distinguished in view screen playing. The method comprises the following steps: when detecting a pre-set triggering accident, acquiring terminal data to generate user information, wherein the user information comprises at least one type of photographing information, equipment shaking information, screen touch information and operation log information; carrying out identification processing based on each type of the user information and determining a user type according to an identification result; calling a corresponding user mode in real time according to the user type; configuring display content of a current screen according to the user mode, wherein the display content comprises content played by a current video. The user information can be acquired and identified in real time and the users can realize real-time adjustment of the current playing content without executing other operations during playing.

The invention relates to an urban heating system heating network regulating method and system based on mechanism model prediction control. The heating network regulating method comprises the following steps that S1, a prediction model is established; and S2, regulating schemes of all pumps and valves in the first-degree heating network are obtained through the prediction model with balanced heating as the target. According to the urban heating system heating network regulating method and system, the prediction model of the first-degree heating network serves as the core, the accurate regulating schemes of the tens of to hundreds of water pumps and the electromagnetic valves in the first-degree heating network system are obtained through prediction control, the heating network is regulated in real time, and the problems that heating network control is delayed, and heating of heat users is nonuniform in temperature are solved.

The invention belongs to the field of integrated circuits and in particular relates to a method and a device for automatically adjusting the clock frequency or the power supply voltage of a processor system in real time. The method realizes automatic and real-time adjustment of the clock frequency or the power supply voltage of the processor system by a matching step, a judging step and an adjusting step. In the running process of a processor, the clock frequency or the power supply voltage of the processor system is automatically adjusted in real time, so that the processor runs with an optimal clock frequency or an optimal power supply voltage in real time. Therefore, normal running of the system is ensured and the power consumption of the processor can be effectively lowered.

The invention relates to the technical field of lithium-ion battery manufacturing, in particular to a rolling method for a battery pole piece. The method comprises the steps of making the coated and dried battery pole piece pass through a foil heating device, an electrode preheating device, an electrode rolling device and a thickness curing device in sequence; when the battery pole piece passes through the foil heating device, heating a foil area of the battery pole piece by using the foil heating device; when the battery pole piece passes through the electrode preheating device, heating a coating area of the battery pole piece by using the electrode preheating device; when the battery pole piece passes through the electrode rolling device, applying rolling force of different sizes to theedge part and the middle part of the battery pole piece by using the electrode rolling device to roll the battery pole piece; and when the battery pole piece passes through the thickness curing device, sequentially baking and cooling the battery pole piece by using the thickness curing device. The invention further provides rolling equipment for the battery pole piece. According to the rolling method and the rolling equipment, the thickness consistency of the rolled battery pole piece is effectively improved.

A multi display system includes a CPU, central display, external multi-displays linked to CPU and display detector. The detector is for real time detecting each outer display and sending detected data to CPU. The CPU is for real time recording of the display pattern and contents of each external display. At receiving signals from detector, CPU makes corresponding display control. In case of disconnecting signal, CPU stops recording and stores present content and modifies display pattern and sends the content to the central display. In case of connecting signal, CPU resumes recording pattern and automatically set the display content according to corresponding records.

The invention relates to a data processing method and a device. Program codes running on a serially connected multiprocessor nuclear structure are partitioned according to specific rules, so that the serially connected multiprocessor nuclear structure forms a serial multi-emitting and production line layered structure, and the time required for running corresponding code fragments obtained by partitioning on each nucleus is equal as much as possible, thereby realizing the load balance of internuclear workload.

The invention discloses a monitoring and controlling method, a monitoring and controlling device and a monitoring and controlling system for elevator running, and relates to the field of a building monitoring and controlling technology. The running status of an elevator is displayed on a 3D (Three-dimensional) model through a special identifying way, a manager can intuitively know the actual status of the elevator running in a whole building so as to optimally adjust an elevator running mode, and the elevator running mode meets an energy-saving standard. The method comprises the steps of building a 3D elevator model according to a BIM (Building Information Modeling) and the actual information of the elevator; acquiring the actual data of the elevator running in an existing operating mode, and displaying the actual data of the elevator running in the 3D elevator model. The monitoring and controlling method, the monitoring and controlling device and the monitoring and controlling system are mainly used for monitoring and managing the running status and running modes of the elevator in a building.

The invention relates to a differential speed controlling system of an electric vehicle based on two driving wheels, which comprises a left driving module, a right driving module and a coordinate module which receives external controlling signals and outputs corresponding working signals to control the output power of the left driving module and the right driving module which transmit the torque signals of the two driving wheels to the coordinate module which determines whether to adjust the working signals of the two driving modules according to a principle that the torques of the two driving wheels are the same; the coordinate module adjusts the working signals of the left driving module and the right driving module through a PID controller. The invention is simple in system structure and easy in realization; besides, the invention can prevent the vehicle from sliding, reduce the wear of the tires and guarantee the driving stability of the vehicle. In addition, the invention uses a single-chip, so the precision of signal processing is high, the speed is high, and the torques of the driving wheels can be adjusted in real time without any transmission mechanism or differential gear, thus saving the space and increasing the efficiency of the transmission system.

The invention discloses a sampling device for geotechnical exploration, and belongs to the technical field of geological exploration equipment. The sampling device comprises a base, a stabilizing mechanism, a rock cutting mechanism and a drilling and sampling mechanism; four driving wheels are arranged at the bottom of the base; a supporting frame is arranged on the top of the base; the drilling and sampling mechanism comprises a lifting assembly, a lifting plate and a drilling and sampling assembly; the drilling and sampling assembly comprises a sampling barrel and a connecting frame; a rotating shaft is arranged on the connecting frame; a spiral blade is arranged on the rotating shaft in a sleeved mode; and a drilling head is arranged at the bottom end of the rotating shaft in a sleevedmode. The sampling device has the beneficial effects that the lifting operation of the drilling and sampling assembly can be realized, and the sample can be conveyed to a material collecting hopper byvirtue of the drilling and sampling mechanism; the automatic cutting assembly can be used for cutting and crushing rock samples; and a rotary assembly can drive the automatic cutting assembly to rotate to a proper position, so that the interference of the automatic cutting assembly on the operation of the drilling and sampling mechanism is avoided.

An independent learning based P2P network flow identification method is an efficient and accurate P2P flow identification method, and a deep packet inspection (DPI) method and a deep flow inspection (DFI) method as well as P2P flow identified by the DPI are used for verifying machine learning based DFI identification results to achieve automatic learning. The problems that DFI cannot be adjusted automatically and the identification rate is low are solved. According to the P2P network flow identification method with the independent learning capacity, the P2P flow is extracted through a Net Filter technology, the DPI technology is used for identification, recognized P2P flow characteristics are added in an internet protocol (IP) address list, and the machine learning based DFI identification results are verified, so that the whole identification process forms a closed-loop system.

The invention provides a method and a system for recommending a multimedia target, which has the advantages of quickly and accurately finding required content, reducing interaction times and reducing system load aiming at the defects of the prior art. The method comprises the following steps of recommending multimedia content on an interaction interface, wherein the recommended multimedia content is selected from a media library; detecting and recording assessment of a user on the recommended multimedia content on the interaction interface; according to the detected assessment of the user on the recommended multimedia content, modifying the recommended value of the multimedia content in the media library, and according to the modified recommended value, recommending the multimedia content. The existing attributes of the multimedia content in the media library are used, the assessment of the user on the playing content is detected by the recommending method, the attribute factor of each attribute is modified through the interrelated attribute relation, and the recommended value of the multimedia content is further modified, so that the precedence relation of the multimedia content on a play list is changed.

The invention discloses a device and a method for detecting movement errors of a working platform in multiple degrees of freedom. Reflected light is reflected onto a three-surface reflector fixed on the working platform through a light path regulation reflector, returns to the light path regulation reflector after being reflected by the three-surface reflector in sequence, is reflected onto a second light splitting piece, enters a beam expanding mirror after being reflected by the second light splitting piece, and is projected onto a detector. Transmission light enters the beam expanding mirror after being transmitted by the second light splitting piece and is projected onto the detector. Two beams of light generate interference on the detector, and measurement on deflection and movement displacement of the working platform can be achieved by regulating shapes of interference fringes and measuring phase displacement. By means of the device and the method for detecting movement errors of the working platform, synchronous and real-time measurement on an angle of oscillation, an angle of pitch and axial movement displacement of the working platform can be performed, real-time compensation is performed according to the measurement result to eliminate effect caused by movement errors, and measurement precision and manufacturing precision can be improved. The angle measurement ranges from +3rad to -3mrad, and measurement requirements of the working platform can be met.

The invention provides a method for preventing air conditioner condensation and an air conditioner. The method comprises the steps that after a compressor continuously runs for a preset time, the indoor and outdoor environment temperatures and the position of an air deflector are acquired, whether the indoor and outdoor environment temperatures and the position of the air deflector meet a preset condition of executing condensation prevention operation at the same time or not is judged, and if yes, condensation prevention operation is executed. According to the method for preventing air conditioner condensation, real-time performance and high efficiency are achieved, the comfort experience of users can be improved, the condensation problem of an indoor unit is effectively solved, and energysaving and electricity saving are achieved.

The invention discloses a self-powered vehicle vibration damping device which comprises a vibration damping device body and a vibration damping device controller, wherein the vibration damping device body comprises a first cylinder body, a piston rod, a piezoelectric generating unit, a transmission force spring unit, a magneto-rheological damping unit and an electromagnetic induction unit; the piezoelectric generating unit comprises a plurality of piezoelectric modules, and a plurality of piezoelectric vibrators are inlaid in each piezoelectric module; the transmission force spring unit comprises an upper spring pressing plate, a lower spring pressing plate, a lower spring clamping seat, an upper spring clamping seat and a transmission force spring; the magneto-rheological damping unit comprises an outer cylinder, an inner cylinder, a permanent magnet protecting cover, an upper damp channel, a lower damp channel, a magnet exciting coil and a piston; and the electromagnetic induction unit comprises a leakage-proof magnetic sleeve, a second cylinder body, a permanent magnet and an electromagnetic induction coil. The invention further discloses a control method for the self-powered vehicle vibration damping device. The self-powered vehicle vibration damping device provided by the invention is high in energy-regenerative efficiency, good in work stability, high in reliability, can adjust the damping force in real time, and ensures that a vehicle is in an optimal vibration damping state.

The invention provides an image capture module, comprising a camera lens unit, an image sensing unit and a shell which is connected with the camera lens unit and the image sensing element, wherein the shell is provided with a camera lens hole, and one end of the camera lens unit is arranged in the camera lens hole. A plurality of positioning columns are arranged on the periphery of the camera lens hole in the shell, screw holes are arranged in the positioning columns, and a part on the image sensing unit, which corresponds to the positions of the positioning columns, is provided with a plurality of positioning holes. The shell and the image sensing unit are connected by a plurality of screw bolts. A plurality of elastic pieces are arranged between the image sensing element and the shell, and are sheathed on the positioning columns of the shell. The image capture module utilizes the elastic pieces arranged between the image sensing element and the shell, and can adjust the angle of inclination of the image sensing unit corresponding to the camera lens unit at real time, thereby greatly increasing the assembly efficiency of the image capture module.

The invention discloses a temperature compensation control circuit for automatically adjusting the color temperature of an LED (Light Emitting Diode) display screen and a control method. The temperature compensation control circuit comprises an LED display module and an LED driver IC (integrated circuit), wherein the LED driver IC is arranged in a power supply circuit of the LED display module and connected with the temperature compensation control circuit, the temperature compensation control circuit comprises a current limiting resistor R, a matching resistor R1 and a thermistor Rt, the matching resistor R1 and the thermistor Rt are connected with each other in parallel, one ends of the matching resistor R1 and the thermistor Rt after parallel connection are connected with the current limiting resistor R in series in a circuit of the LED driver IC, and the other ends are grounded. The temperature compensation control circuit is simple and reliable, and can be used for adjusting white balance of the LED display screen in real time. When the temperature of the display screen module changes, the current of a red LED can be automatically adjusted by the LED driver IC through the thermistor Rt to achieve the consistent color temperature of the LED display screen.

The invention discloses a palladium nano particle dot matrix hydrogen sensor with controllable sensing parameters. The sensor comprises a pair of insulating flexible substrates (101) with metal electrodes (102), a Pd nano particle dot matrix (103) arranged between the electrodes, a deformation control device (105) for deformation of the flexible substrates, and a corresponding signal monitoring device (104) also arranged between the electrodes. According to the sensor, the work distance of a palladium nano particle dot matrix can be controlled to vary in multiple regions by regulation on strain, and thus, the sensing parameters, such as the sensitive pressure and the time, of the hydrogen sensor can be regulated effectively. The hydrogen sensor can regulate the hydrogen gas-sensitive property index of the Pd nano particle dot matrix in real time without changing the Pd nano particle deposit rate and the electrode structure. Further, the application range of the sensor is expanded and the use cost is lowered. The hydrogen sensor provided by the invention can be used in a plurality of fields related to hydrogen usage safety and needing quantitative detection on hydrogen in industrial and scientific research.

The invention discloses a manipulator precise control system. The manipulator precise control system comprises a video collecting module, an image processing module, a manipulator movement positioning point matching module, a movement difference calculating module, a fuzzy controller, a manipulator movement driver, a path scheduling module and a movement target position inputting module. The invention also discloses a manipulator precise control method. The specific technical scheme of the manipulator precise control method comprises, 1, determining a manipulator movement target position; 2, determining a current position through the video collecting module and the image processing module; 3, calculating the patch between the coordinate of a starting position and the coordinate of the movement target position through the path scheduling module; 4, extracting the movement control signals of every joint of the manipulator at different times; 5, starting a video capturing device; 6, obtaining the coordinate of a positioning point in an image; 7, generating control signals through the fuzzy controller; 8, driving the manipulator to move continuously though the manipulator movement control signals; 9, obtaining the coordinate of the manipulator and matching the coordinate with the scheduled coordinate through the video collecting device. The manipulator precise control system and method can achieve real-time accurate adjustment of the movement path of the manipulator.

The invention relates to a rotary steering well drilling device in the field of well drilling tools. The rotary steering well drilling device is mainly composed of a central spindle, a positioning cylinder, a positioner, a positioning key, a tension spring, a control valve, a control pin, a compression spring, an offset block, a bearing and a sealing device. The central spindle is connected with a drill column and a drill bit. During deflecting, an offset mechanism stretches out, the drill column and a well hole are eccentric, the positioning cylinder and the offset mechanism do not rotate, the drilling pressure and the torque are transmitted to the drill bit through the central spindle, and therefore a deflecting section can conduct rotary and directional drilling. During angle holding, the offset mechanism retracts back, the drill column and the well hole are concentric, the drilling pressure and the torque are transmitted to the drill bit through the central spindle, and therefore an angle holding section conducts rotary drilling. The rotary steering well drilling device is high in deflecting capability, wide in application range and capable of greatly reducing the well drilling cost of a well of a complex structure, and meanwhile the rotary steering well drilling device has the beneficial effects of being simple and reliable in structural design, convenient to machine, large in transmission torque, stable in operation and the like.

The invention discloses a method and a system for adjusting bandwidth, wherein the method comprises the following steps that: a resource strategy sever receives a bandwidth self-service activation request sent by a portal site client, and the bandwidth self-service activation request carries target bandwidth; the resource strategy sever analyzes network resources of a user according to user network information reported by a broadband access server and the target bandwidth; the resource strategy sever issues a first control strategy to the broadband access server according to the analysis result; and the broadband access server executes the first control strategy to adjust the bandwidth of the user. The invention also provides the system for adjusting the bandwidth, which comprises the resource strategy sever, the broadband access server and the portal site client. The method and the system achieve real-time adjustment of the bandwidth by the user according to needs and provide great convenience to the user.

An infrared heating perfusion apparatus for treating diseases features that the medicinal perfusion is indirectly heated by infrared heating tube, the temp measuring probe is used to measure the temp of perfusion, a hung weighing sensor is used to measure the dosage of perfusion, and an industrial control computer and the drivers of electromagntic valve, heater and peristaltic pump are used to control the heating time and circulated flow.

The invention discloses a flash memory service life prediction method based on support vector regression. The method comprises the following steps: (1) obtaining the characteristic quantity of a flashmemory to be tested, wherein the characteristic quantity comprises the programming time, the reading time, the erasing time, the current, the power consumption, the threshold voltage distribution, the storage block number, the storage page number, the programming / erasing period number currently experienced by the flash memory, the condition error page number, the condition error block number, theerror bit number and the error rate; (2) processing the characteristic quantity to obtain an operation result; And (3) forming a set by the characteristic quantity and the operation result, and performing support vector regression operation by taking the subset in the set as the input of a support vector regression model to obtain a service life prediction value of the flash memory correspondingto the characteristic quantity. The residual service life of the flash memory can be predicted, so that a flash memory storage device user knows the loss state of the memory in the using process of the device, and data loss caused by failure of the memory unit is avoided.