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31results about How to "To achieve the purpose of dynamic adjustment" patented technology
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Under-actuated AUV (autonomous underwater vehicle) three-dimensional trajectory tracking control method based on biological speed regulation
ActiveCN106444806AAchieve precise tracking controlImprove performanceAttitude controlMathematical modelVirtual control
The invention provides an under-actuated AUV (autonomous underwater vehicle) three-dimensional trajectory tracking control method based on biological speed regulation. The method comprises the following steps: (1) giving expected trajectory position information by an AUV according to the current task, and obtaining current position and attitude information; (2) obtaining position and attitude error variables by use of the mathematical model of an under-actuated UUV (unmanned underwater vehicle); (3) calculating a virtual control law by a method of defining a virtual speed error variable; (4) finishing dynamic regulation of the speed error through a biological inspiration model; and (5) deducing a dynamic speed regulation controller. In the method provided by the invention, the speed error of the under-actuated AUV can be dynamically regulated, the performance of the controller is improved while the singular value of the traditional back-stepping method occurring when the heading angle error is 90 degrees is avoided, and accurate tracking of a time-varying three-dimensional trajectory is realized under external constant disturbance.
Owner:HARBIN ENG UNIV
Voice broadcasting method and device
ActiveCN107525517ATroubleshoot technical issues with inaccurate locationsTo achieve the purpose of dynamic adjustmentInstruments for road network navigationBroadcastingSpeech sound
The invention discloses a voice broadcasting method and a voice broadcasting device. The method comprises the following steps: in a process that a target user drives, acquiring a first broadcasting duration of a to-be-broadcasted target voice and the current driving speed of the target user, wherein the target voice is a voice needed to prompt before the target user arrives at the target position in a navigation process; calculating the driving distance of the target user in the first broadcasting duration according to the first broadcasting duration and the current driving speed; judging whether the distance from the current position of the target user to a preset position is smaller than or equal to the driving distance or not, wherein the distance between the preset position and the target position is a preset distance; and if the distance from the current position of the target user to a preset position is smaller than or equal to the driving distance, starting to broadcasting the target voice from the current position. The method and device disclosed by the invention solve the technical problem of inaccurate position of the voice broadcasting in the related art.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Dynamic adjustment type sonic velocity variable supercharging heat-exchanging device
InactiveCN101144616ASave electricityReduce volumeSuperheating controlDirect contact heat exchangersMass ratioWater flow
The invention discloses dynamic regulation type sonic speed changing pressurization heat exchanging device, and comprises a front two-way pipe (1), a steam jet pipe (11), a middle three-way pipe (2), a middle two-way pipe (7), a diffusing pipe (13) and a rear two-way pipe (8). The steam jet pipe is coaxially arranged in the middle three-way pipe, the diffusing pipe is embedded between the middle two-way pipe and the rear two-way pipe, an adjustable core (3) is arranged between the middle three-way pipe and the middle two-way pipe, the adjustable core (3) can make axial fore and aft horizontal movement, the center thereof is provided with an axially interpenetrated mixing chamber (12), the mixing chamber consists of a conical curve line part and a horizontal straight line part, wherein, the conical curve line part is a flow regulating section (10) which is used for regulating the inlet water flow, and the horizontal straight line part is a state and pressure regulating section (9) which is used to regulate the steam water mixing ratio in the mixing chamber. The invention achieves the goal of dynamic regulation in the condition of not stopping the system operation when the steam water parameter changes, makes the steam water mixing mass ratio and pressure ratio in the heat exchanger be in the optimum condition, effectively reduces the equipment operation noise and the operating cost, as well as enhances the heat transfer efficiency and the operation safety.
Owner:LUOYANG BLUE SEA INDAL
Composite control method for first-order inertia pure lag process
ActiveCN110955143AImprove robustnessTo achieve the purpose of dynamic adjustmentAdaptive controlActive disturbance rejection controlModel prediction
The invention discloses a composite control method for a first-order inertia pure lag process, and relates to a model prediction control-active disturbance rejection control composite control method for the first-order inertia pure lag process. The method comprises the steps that firstly, an active disturbance rejection controller is designed based on the first-order inertia pure lag process, theclosed-loop characteristic of the active disturbance rejection controller is made to be close to an expected dynamic equation, then a model prediction controller is designed according to the expecteddynamic equation, and the output of the model prediction controller is the set value (input value) of the active disturbance rejection controller. On one hand, the set value of the active disturbancerejection controller can be optimized; and on the other hand, ADRC can better overcome the influence of uncertainty caused by internal and external disturbance, so that the closed-loop response of thecontrolled process is always close to the expected dynamic equation, thereby ensuring that the MPC performance taking the expected dynamic equation as the prediction model is not seriously deteriorated, and improving the robustness of the MPC performance.
Owner:TSINGHUA UNIV
Large caliber acoustic velocity-variable supercharging heat-exchanging system
InactiveCN101435664ASave electricityReduce volumeDirect contact heat exchangersMass ratioEngineering
The invention discloses a large-caliber variable sonic speed pressurizing heat exchange device. The device consists of a front reducing pipe (1), a steam jet pipe (2), a tee pipe (3), a short two-way pipe (4), a long two-way pipe (6), a back reducing pipe (7), a front mixing chamber (9) and a back mixing chamber (5), wherein the steam jet pipe is inserted into the tee pipe coaxially; the tee pipe is connected between the front reducing pipe and the short two-way pipe; the long two-way pipe is connected between the short two-way pipe and the back reducing pipe to adjust water inlet flow and steam-water mixing proportion inside the mixing chambers; and the back mixing chamber is arranged inside the short two-way pipe and improves the stream and field state of steam-water mixture through changing circulation section area. Through improving the structures of the mixing chambers, the large-caliber variable sonic speed pressurizing heat exchange device can effectively improve the stream and field state of the steam-water mixture so as to ensure that steam-water mixing mass ratio and pressure ratio inside a heat exchanger are always in the best state. Moreover, the large-caliber variable sonic speed pressurizing heat exchange device effectively reduces equipment operation noise and operation cost and improves heat exchange efficiency and operation safety. When a steam-water parameter of a system is changed, dynamic adjustment can be realized through adjusting the positions of nozzles and the mixing chambers.
Owner:河南中蓝新材料科技有限公司
Device for controlling tension dynamic balance of warp thread of loom
InactiveCN101581000ATo achieve the purpose of dynamic adjustmentReduce swingLoomsDynamic balanceEquilibrium control
The invention belongs to the fitting device of a loom and particularly relates to a device for controlling tension dynamic balance of warp threads of the loom. The device comprises a resistance disc (5), a resistance rope (6), a spring (9) and a fixed bracket (7); the resistance rope (6) is connected with the resistance disc (5); the fixed bracket (7) is shaped like T or 7; two ends of a transverse rod of the fixed bracket (7) are connected with a stander (1) and a guide roller (8) respectively; the lower end of a vertical rod of the fixed bracket (7) is connected with a tension balance bracket (2); the vertical rod body is connected with a displacement adjusting device (4); one end of the resistance rope (6) is connected with the displacement adjusting device (4) and the other end thereof is connected with the external end of the tension balance bracket (2); the tail end of the external end of the tension balance bracket (2) is connected with a tension balance roller (12); and the tension balance bracket (2) is connected with the fixed bracket (7) by a spring displacement adjusting device (10) and the spring (9). The device achieves the object of dynamically adjusting balance, generates an error of less than 0.25 percent during the operation process, and has small swing amplitude and stable tension control.
Owner:张木辉
Feedback type 3D printer
ActiveCN107877845AReduce feedingEasy feedingManufacturing heating elementsAdditive manufacturing with liquidsDrive shaftThree-dimensional space
The invention belongs to the technical field of 3D printing, and provides a feedback type 3D printer, aiming at solving the technical problems that various raw materials cannot be used, high-pressurefast jet printing cannot be performed by the existing 3D printer. The feedback type 3D printer includes a print head and a printer body for driving the print head to move in a three-dimensional space.The print head comprises a shell and a mixing shaft, wherein a hot melting part made of plastic is arranged in the shell; the hot melting part is provided with a circular truncated cone-shaped hot melting cavity with a large upper part and a small lower part; the hot melting part is covered with an electromagnetic heater; a sealing cover is arranged on the hot melting cavity; a pressure relief valve is arranged on the sealing cover; a material injection opening is formed in the bottom of the hot melting part; the mixing shaft is provided with spiral mixing blades; both the mixing shaft and the mixing blades are made of metal; the diameters of the mixing blades on the mixing shaft are gradually reduced; the mixing blades can also be in contact with the inner side face of the hot melting cavity simultaneously; a driving shaft is fixed to the top of the mixing shaft; the seal cover is provided with a through hole through which the driving shaft can pass; and driving teeth are arranged onthe driving shaft.
Owner:贵州云侠科技有限公司
Font adjusting method and device based on face recognition, equipment and medium
PendingCN110765847ATo achieve the purpose of dynamic adjustmentImprove accuracyCharacter and pattern recognitionExecution for user interfacesPattern recognitionEngineering
The invention discloses a font adjusting method and device based on face recognition, equipment and a medium. The font adjusting method comprises the steps: collecting a first face image of a system at the current time through employing a camera on an intelligent terminal, and enabling the first face image to correspond to a user identification; performing face matching on the first face image based on a historical face image in a face database corresponding to the user identifier to obtain a face matching result; if the face matching result is matching failure, continuously acquiring a secondface image corresponding to each moment by adopting the camera; performing action analysis on the second face images corresponding to two adjacent moments to obtain an action analysis result; and dynamically adjusting the current font displayed on the screen of the intelligent terminal based on the action analysis result. The font adjusting method does not need manual adjustment of a user, reduces font adjustment complexity and improves font adjustment efficiency.
Owner:PING AN TECH (SHENZHEN) CO LTD
Method and device for adjusting multimedia decoding information buffer area
ActiveCN106993220ATo achieve the purpose of dynamic adjustmentReduce occupancyMemory adressing/allocation/relocationSelective content distributionComputer scienceReal-time computing
The invention provides a method and device for adjusting a multimedia decoding information buffer area. The method comprises the following steps: judging whether needs to redistribute the buffer area based on a multimedia parameter acquired by the decoding data when monitoring the accomplishment of the multimedia information decoding, thereby buffering the decoding data; when judging needing to redistribute the buffer area, determining redistributed buffer area based on the multimedia data; and buffering the decoding data to the redistributed buffer area. By use of the technical scheme provided by the invention, an aim of dynamically adjusting the preset buffer region based on the multimedia parameter of to-be-played multimedia information, the lagging or error condition existing in the playing of the to-be-played multimedia information is avoided when an operation of smoothly playing the to-be-played multimedia information is satisfied; and meanwhile, the occupancy of the redundant system memory can be reduced, the influence on the system running performance of the playing equipment and the running of other applications can be avoided, and the use experience of a user is improved.
Owner:PRANUS BEIJING TECH CO LTD
Euphausia superba trawl net plate variable water layer adjusting mechanism and method
PendingCN111990346ATo achieve the purpose of dynamic adjustmentFishing netsMarine engineeringEuphausia
The invention relates to a euphausia superba trawl net plate variable water layer adjusting mechanism and method. The adjusting mechanism comprises a net plate, a lifting adjusting mechanism, a warp connecting block and a controller, wherein the lifting adjusting mechanism is installed on the inner side of the middle of the front end of the net plate along the height direction of the net plate, the warp connecting block is installed on the lifting adjusting mechanism and can be driven by the lifting adjusting mechanism to ascend and descend, the warp connecting block is connected with a warp,and the controller controls the driving of the lifting adjusting mechanism. A posture of the net plate can be dynamically adjusted in the fishing operation process, and the purpose of adjusting a depth of a trawl variable water layer is achieved.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
Heating-type dynamically adjustable steam-water directly mixing heat exchange device
InactiveCN102393154ATo achieve the purpose of dynamic adjustmentSpace heating and ventilation detailsDirect contact heat exchangersContinuous dynamicNozzle
The invention belongs to a heating-type dynamically adjustable steam-water directly mixing heat exchange device comprising a front three-way valve (1), a front core (2), a middle three-way valve (3), a middle core (4), a rear two-way valve (5), a temperature sensor, an electric operator and a controller, wherein the front core (2) is coaxially arranged in the middle three-way valve (3); and the middle core (4) is embedded between the middle three-way valve (3) and the rear two-way valve (5). The heat exchange device is characterized in that an adjusting device (7) is arranged between the front core and the middle core, can move forwards and backwards horizontally in the axial direction under the drive of the electric operator, and comprises a water direction adjusting surface (14) and a steam direction adjusting surface (15); the steam flow can be controlled by adjusting the variable sectional area formed by the steam direction adjusting surface and the inner wall surface of a front core spray nozzle; and the water inflow can be controlled by adjusting the area formed by the water direction adjusting surface and the outer wall surface of the front core spray nozzle. When the steam parameter of a user changes, the purpose of continuous dynamic adjustment can be achieved under the condition that the operation of the system is not stopped.
Owner:LUOYANG BLUE SEA INDAL
Clock sampling self-adaption adjusting method and clock sampling self-adaption adjusting system
InactiveCN103368720ATo achieve the purpose of dynamic adjustmentDoes not affect transmission efficiencySynchronising arrangementTime delaysControl switch
The invention discloses a clock sampling self-adaption adjusting method comprises the following steps: input data are subjected to time delay operation and sampling operation respectively by main and standby monitoring devices according to preset initial time-delay amounts; in a time window, the initial time-delay amounts are adjusted; every time when the initial time-delay amounts are adjusted, main and standby sampling result sequences formed by sampling output values which are obtained after the input data are sampled by the main and standby monitoring devices are output to a time-delay amount adjusting device; the time-delay amount adjusting device controls switch of the main and standby monitoring devices according to the main and standby sampling result sequences, and time-delay amounts are respectively configured for the switched main and standby monitoring devices. The invention also provides a corresponding system. The method and the system provided by the invention are characterized in that data are monitored by the main and standby monitoring devices, switch between the main and standby monitoring devices can be utilized when time delay changes quickly, a time sequence can be recovered to a normal interval in a correct and fast manner, a transmission passageway does not need to be occupied, and transmission efficiency cannot be affected.
Owner:ZTE CORP
Method and device for adjusting multimedia decoding information buffer
ActiveCN106993220BTo achieve the purpose of dynamic adjustmentReduce occupancySelective content distributionMemory systemsTelecommunicationsTerm memory
The present invention provides a method and device for adjusting a buffer of multimedia decoding information. The method includes: when it is detected that the decoding of multimedia information is completed, based on the multimedia parameters obtained according to the decoded data, it is judged whether it is necessary to re-allocate the buffer to buffer all The decoded data; when it is judged that the buffer needs to be reallocated, the reallocated buffer is determined based on the multimedia parameters; and the decoded data is cached in the reallocated buffer. By applying the technical solution of the present invention, the purpose of dynamically adjusting the preset buffer area based on the multimedia parameters of the multimedia information to be played can be realized, and the multimedia information to be played can be played smoothly, and the occurrence of stuck or stuck when playing the multimedia information to be played can be avoided. At the same time, it can reduce the occupation of redundant system memory, so as to avoid affecting the system operating performance of the playback device and the operation of other applications, and improve the user experience.
Owner:PRANUS BEIJING TECH CO LTD
Hot-water type dynamic-regulating type steam-water direct-mixing type heat-exchanging device
InactiveCN102374797ATo achieve the purpose of dynamic adjustmentDirect contact heat exchangersHeat exchange apparatusSpray nozzleEngineering
The invention belongs to a hot-water type dynamic-regulating type steam-water direct-mixing type heat-exchanging device, which comprises a front three-way pipe (1), a front core (2), a middle three-way pipe (3), a middle core (4), a long two-way pipe (5), a temperature sensor, an electric executing mechanism and a controller, wherein the front core (2) is coaxially arranged in the middle three-way pipe (3), the middle core (4) is nested between the middle three-way pipe (3) and the long two-way pipe (5), a regulating device (7) is arranged between the front core and the middle core, the regulating device can make axial forward and backward horizontal movement under the driving of the electric executing mechanism, the regulating device is formed from a water-direction regulating surface (14) and a steam-direction regulating surface (15), the magnitude of the steam quantity is controlled by adjusting a variable sectional area formed from the steam-direction regulating surface and the inner wall surface of a front-core nozzle, and the magnitude of the inlet-water quantity is controlled by adjusting the variable sectional area formed from the water-direction regulating surface and theouter wall surface of the front-core nozzle. When the steam parameter of a user is changed, the purpose of continuous and dynamic regulation is achieved under the condition that the operation of a system is not stopped.
Owner:LUOYANG BLUE SEA INDAL
A dust-filtering air-supply type dust mask
ActiveCN112618984BEasy to transportImprove dustproof effectBreathing filtersBreathing masksHydraulic cylinderRespirator
The invention discloses a dust-filtering air-supply type dust-proof mask, which comprises a mask body, a processing seat and a power supply seat. A first breathing tube and a second breathing tube are fixedly installed on both sides of the mask body. The end is fixedly connected with a fixed rope, the upper end of the processing seat is fixedly installed with a first connecting seat and a second connecting seat, the first connecting seat is located on one side of the second connecting seat, the first breathing tube and the first connecting seat A first connecting pipe is connected between the connecting seats, and a second connecting pipe is connected between the second breathing pipe and the second connecting seat; a motor and a first hydraulic cylinder are fixedly installed inside the processing seat near the middle. and the second hydraulic cylinder, the motor is located between the first hydraulic cylinder and the second hydraulic cylinder, and the first hydraulic cylinder is located on one side of the second hydraulic cylinder; various aspects disclosed in the present invention can solve the The problem of dynamic adjustment between the air condition and the breathing condition, and the problem of poor dustproof effect.
Owner:淮南安裕机电科技有限责任公司
Air conditioning method, device and equipment and storage medium
PendingCN114219282ATo achieve the purpose of dynamic adjustmentMeeting the Needs for Healthy AirAir-treating devicesMechanical apparatusSimulationAir quality index
The invention discloses an air conditioning method, device and equipment and a storage medium. The score of each index can be calculated according to an offset value, a preset unit offset influence weight and an initial weight of the index. If the sum of the scores is smaller than an expected threshold value, the deviation between at least one index in the indexes and the standard range value is too large, and adjustment needs to be carried out. According to the method, the index with the maximum offset weight is selected for adjustment, adjustment is carried out according to the preset step length corresponding to the index during adjustment, and all the steps are executed after the preset step length is adjusted. Experiments verify that the adjusting method can give consideration to multiple air quality indexes, and the adjusted object is changed to be the index with the maximum offset weight each time, so that the purpose of dynamically adjusting multiple index data is achieved, and the requirement of a user for healthy air is met.
Owner:深圳七能科技有限公司
Three-dimensional Trajectory Tracking Control Method for Underactuated Auv Based on Biological Velocity Regulation
ActiveCN106444806BAchieve precise tracking controlImprove performanceAttitude controlMathematical modelVirtual control
The invention provides an under-actuated AUV (autonomous underwater vehicle) three-dimensional trajectory tracking control method based on biological speed regulation. The method comprises the following steps: (1) giving expected trajectory position information by an AUV according to the current task, and obtaining current position and attitude information; (2) obtaining position and attitude error variables by use of the mathematical model of an under-actuated UUV (unmanned underwater vehicle); (3) calculating a virtual control law by a method of defining a virtual speed error variable; (4) finishing dynamic regulation of the speed error through a biological inspiration model; and (5) deducing a dynamic speed regulation controller. In the method provided by the invention, the speed error of the under-actuated AUV can be dynamically regulated, the performance of the controller is improved while the singular value of the traditional back-stepping method occurring when the heading angle error is 90 degrees is avoided, and accurate tracking of a time-varying three-dimensional trajectory is realized under external constant disturbance.
Owner:HARBIN ENG UNIV
A method and device for constructing dynamic Poisson impedance attributes
ActiveCN111856570BImprove accuracyHigh precisionSeismic signal processingCorrelation coefficientWell logging
The present invention provides a method and device for constructing dynamic Poisson impedance attributes. The method includes obtaining the original logging curve of the whole well section in the research work area and the logging interpretation conclusion curve; According to the logging curves of the three sections and the logging interpretation conclusion data, the static Poisson impedance property curves, hydrocarbon-bearing pore curves and fluid parameter curves with undetermined coefficients of the corresponding depth section are calculated respectively; Perform correlation analysis between the static Poisson impedance property curve with undetermined coefficient and the hydrocarbon-bearing pore curve of the corresponding depth section to obtain the undetermined coefficient corresponding to the maximum correlation coefficient; obtain the average value of the fluid parameters corresponding to the deep, middle, and shallow sections; Perform linear fitting on the undetermined parameter values of the static Poisson impedance property curves of the deep, middle, and shallow layers and the average value of the fluid parameters in the corresponding depth section to obtain a linear relationship; obtain the dynamic Poisson impedance property curve.
Owner:PETROCHINA CO LTD
Feedback 3d printer
ActiveCN107877845BReduce feedingEasy feedingManufacturing heating elementsAdditive manufacturing with liquidsThree-dimensional spaceDrive shaft
The invention belongs to the technical field of 3D printing, and provides a feedback type 3D printer, aiming at solving the technical problems that various raw materials cannot be used, high-pressurefast jet printing cannot be performed by the existing 3D printer. The feedback type 3D printer includes a print head and a printer body for driving the print head to move in a three-dimensional space.The print head comprises a shell and a mixing shaft, wherein a hot melting part made of plastic is arranged in the shell; the hot melting part is provided with a circular truncated cone-shaped hot melting cavity with a large upper part and a small lower part; the hot melting part is covered with an electromagnetic heater; a sealing cover is arranged on the hot melting cavity; a pressure relief valve is arranged on the sealing cover; a material injection opening is formed in the bottom of the hot melting part; the mixing shaft is provided with spiral mixing blades; both the mixing shaft and the mixing blades are made of metal; the diameters of the mixing blades on the mixing shaft are gradually reduced; the mixing blades can also be in contact with the inner side face of the hot melting cavity simultaneously; a driving shaft is fixed to the top of the mixing shaft; the seal cover is provided with a through hole through which the driving shaft can pass; and driving teeth are arranged onthe driving shaft.
Owner:贵州云侠科技有限公司
Traffic light control system based on PLC
ActiveCN112967509ATo achieve the purpose of dynamic adjustmentAchieve the purpose of reasonable arrangementControlling traffic signalsDetection of traffic movementInformation analysisSimulation
The invention discloses a traffic light control system based on a PLC. A data acquisition module comprises a road acquisition unit and a school acquisition unit. A data positioning module is used for obtaining and analyzing the running coordinates of a vehicle on a road to obtain coordinate analysis information; A data analysis module is used for receiving driving information and the school attending and school-over information, analyzing the driving information to obtain driving analysis information, analyzing the school attending and school-over information to obtain school attending and school-over information analysis information, and combining the driving analysis information and the school attending and school-over information analysis information to obtain data analysis information; A data processing module is used to receive and process the data analysis information to obtain data processing information; An adjustment control module is used for dynamically adjusting and controlling the operation of a signal lamp according to the data processing information; the method aims to solve the problem that traffic lights cannot be dynamically adjusted according to the driving state of the road and the school attending and school-over information states of students, and the problem that the brightness duration of the traffic lights cannot be reasonably arranged.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE
Device for controlling tension dynamic balance of warp thread of loom
InactiveCN101581000BTo achieve the purpose of dynamic adjustmentReduce swingLoomsDynamic balanceEngineering
The invention belongs to the fitting device of a loom and particularly relates to a device for controlling tension dynamic balance of warp threads of the loom. The device comprises a resistance disc (5), a resistance rope (6), a spring (9) and a fixed bracket (7); the resistance rope (6) is connected with the resistance disc (5); the fixed bracket (7) is shaped like T or 7; two ends of a transverse rod of the fixed bracket (7) are connected with a stander (1) and a guide roller (8) respectively; the lower end of a vertical rod of the fixed bracket (7) is connected with a tension balance bracket (2); the vertical rod body is connected with a displacement adjusting device (4); one end of the resistance rope (6) is connected with the displacement adjusting device (4) and the other end thereofis connected with the external end of the tension balance bracket (2); the tail end of the external end of the tension balance bracket (2) is connected with a tension balance roller (12); and the tension balance bracket (2) is connected with the fixed bracket (7) by a spring displacement adjusting device (10) and the spring (9). The device achieves the object of dynamically adjusting balance, generates an error of less than 0.25 percent during the operation process, and has small swing amplitude and stable tension control.
Owner:张木辉
Method and device for constructing dynamic Poisson impedance attributes
ActiveCN111856570AImprove accuracyHigh precisionSeismic signal processingCorrelation coefficientWell logging
The invention provides a method and device for constructing dynamic Poisson impedance attributes. The method comprises the steps of: obtaining an original logging curve and a logging interpretation conclusion curve of the whole well section of a research work area; averagely dividing the two curves into a deep logging curve, a middle logging curve and a shallow logging curve; respectively calculating a static Poisson impedance attribute curve, a hydrocarbon-containing pore curve and a fluid parameter curve with undetermined coefficients of corresponding depth sections according to the three logging curves and logging interpretation conclusion data; respectively carrying out correlation analysis on the three static Poisson impedance attribute curves with the undetermined coefficients and the hydrocarbon-containing pore curve of the corresponding depth sections to obtain the undetermined coefficient corresponding to the maximum correlation coefficient; obtaining fluid parameter average values corresponding to a deep layer, a middle layer and a shallow layer; performing linear fitting on the undetermined parameter values of the static Poisson impedance attribute curves of the deep layer, the middle layer and the shallow layer and the fluid parameter average values of the corresponding depth sections to obtain a linear relational expression; and obtaining a dynamic Poisson impedance attribute curve.
Owner:PETROCHINA CO LTD
Heating-type dynamically adjustable steam-water directly mixing heat exchange device
InactiveCN102393154BTo achieve the purpose of dynamic adjustmentSpace heating and ventilation detailsDirect contact heat exchangersSpray nozzleEngineering
The invention belongs to a heating-type dynamically adjustable steam-water directly mixing heat exchange device comprising a front three-way valve (1), a front core (2), a middle three-way valve (3), a middle core (4), a rear two-way valve (5), a temperature sensor, an electric operator and a controller, wherein the front core (2) is coaxially arranged in the middle three-way valve (3); and the middle core (4) is embedded between the middle three-way valve (3) and the rear two-way valve (5). The heat exchange device is characterized in that an adjusting device (7) is arranged between the front core and the middle core, can move forwards and backwards horizontally in the axial direction under the drive of the electric operator, and comprises a water direction adjusting surface (14) and a steam direction adjusting surface (15); the steam flow can be controlled by adjusting the variable sectional area formed by the steam direction adjusting surface and the inner wall surface of a front core spray nozzle; and the water inflow can be controlled by adjusting the area formed by the water direction adjusting surface and the outer wall surface of the front core spray nozzle. When the steam parameter of a user changes, the purpose of continuous dynamic adjustment can be achieved under the condition that the operation of the system is not stopped.
Owner:LUOYANG BLUE SEA INDAL
Method and system for adaptive adjustment of clock sampling
InactiveCN103368720BTo achieve the purpose of dynamic adjustmentDoes not affect transmission efficiencySynchronising arrangementSequence controlTime delays
Owner:ZTE CORP
A Compound Control Method for First-Order Inertia Pure Lag Processes
ActiveCN110955143BImprove robustnessTo achieve the purpose of dynamic adjustmentAdaptive controlDynamic equationControl engineering
The invention discloses a compound control method for a first-order inertial pure hysteresis process, and relates to a model predictive control-active disturbance rejection control compound control method for the first-order inertial pure hysteresis process. In this method, the ADRC controller is firstly designed based on the first-order inertial pure lag process, so that its closed-loop characteristics are close to the expected dynamic equation, and then the model predictive controller is designed according to the expected dynamic equation. The output of the model predictive controller is the output of the ADRC controller. Set value (input value). On the one hand, the present invention can optimize the setting value of the ADRC, and on the other hand, because the ADRC can better overcome the influence of uncertainty brought by internal and external disturbances, the closed-loop response of the controlled process is always close to the expected dynamic equation, Therefore, it is ensured that the performance of the MPC based on the expected dynamic equation as the prediction model will not be severely deteriorated, and its robustness is improved.
Owner:TSINGHUA UNIV
Large caliber acoustic velocity-variable supercharging heat-exchanging system
InactiveCN101435664BChange curve changeTo achieve the purpose of dynamic adjustmentDirect contact heat exchangersNoiseEngineering
The invention discloses a large-caliber variable sonic speed pressurizing heat exchange device. The device consists of a front reducing pipe (1), a steam jet pipe (2), a tee pipe (3), a short two-way pipe (4), a long two-way pipe (6), a back reducing pipe (7), a front mixing chamber (9) and a back mixing chamber (5), wherein the steam jet pipe is inserted into the tee pipe coaxially; the tee pipeis connected between the front reducing pipe and the short two-way pipe; the long two-way pipe is connected between the short two-way pipe and the back reducing pipe to adjust water inlet flow and steam-water mixing proportion inside the mixing chambers; and the back mixing chamber is arranged inside the short two-way pipe and improves the stream and field state of steam-water mixture through changing circulation section area. Through improving the structures of the mixing chambers, the large-caliber variable sonic speed pressurizing heat exchange device can effectively improve the stream andfield state of the steam-water mixture so as to ensure that steam-water mixing mass ratio and pressure ratio inside a heat exchanger are always in the best state. Moreover, the large-caliber variablesonic speed pressurizing heat exchange device effectively reduces equipment operation noise and operation cost and improves heat exchange efficiency and operation safety. When a steam-water parameterof a system is changed, dynamic adjustment can be realized through adjusting the positions of nozzles and the mixing chambers.
Owner:河南中蓝新材料科技有限公司
Voice broadcast method and device
ActiveCN107525517BTroubleshoot technical issues with inaccurate locationsTo achieve the purpose of dynamic adjustmentInstruments for road network navigationBroadcastingSpeech sound
The invention discloses a voice broadcasting method and a voice broadcasting device. The method comprises the following steps: in a process that a target user drives, acquiring a first broadcasting duration of a to-be-broadcasted target voice and the current driving speed of the target user, wherein the target voice is a voice needed to prompt before the target user arrives at the target position in a navigation process; calculating the driving distance of the target user in the first broadcasting duration according to the first broadcasting duration and the current driving speed; judging whether the distance from the current position of the target user to a preset position is smaller than or equal to the driving distance or not, wherein the distance between the preset position and the target position is a preset distance; and if the distance from the current position of the target user to a preset position is smaller than or equal to the driving distance, starting to broadcasting the target voice from the current position. The method and device disclosed by the invention solve the technical problem of inaccurate position of the voice broadcasting in the related art.
Owner:TENCENT TECH (SHENZHEN) CO LTD
A PLC-based traffic light control system
ActiveCN112967509BTo achieve the purpose of dynamic adjustmentAchieve the purpose of reasonable arrangementControlling traffic signalsDetection of traffic movementSimulationEngineering
Owner:合肥名龙电子科技有限公司
Hot-water type dynamic-regulating type steam-water direct-mixing type heat-exchanging device
InactiveCN102374797BTo achieve the purpose of dynamic adjustmentDirect contact heat exchangersHeat exchange apparatusSpray nozzleEngineering
The invention belongs to a hot-water type dynamic-regulating type steam-water direct-mixing type heat-exchanging device, which comprises a front three-way pipe (1), a front core (2), a middle three-way pipe (3), a middle core (4), a long two-way pipe (5), a temperature sensor, an electric executing mechanism and a controller, wherein the front core (2) is coaxially arranged in the middle three-way pipe (3), the middle core (4) is nested between the middle three-way pipe (3) and the long two-way pipe (5), a regulating device (7) is arranged between the front core and the middle core, the regulating device can make axial forward and backward horizontal movement under the driving of the electric executing mechanism, the regulating device is formed from a water-direction regulating surface (14) and a steam-direction regulating surface (15), the magnitude of the steam quantity is controlled by adjusting a variable sectional area formed from the steam-direction regulating surface and the inner wall surface of a front-core nozzle, and the magnitude of the inlet-water quantity is controlled by adjusting the variable sectional area formed from the water-direction regulating surface and theouter wall surface of the front-core nozzle. When the steam parameter of a user is changed, the purpose of continuous and dynamic regulation is achieved under the condition that the operation of a system is not stopped.
Owner:LUOYANG BLUE SEA INDAL
An adjustable steel pipe clamping mechanism and vertical and horizontal hybrid steel pipe welding device
ActiveCN111940988BSimple structureEasy to useWelding/cutting auxillary devicesAuxillary welding devicesEngineeringPipe
The invention provides a vertical and horizontal hybrid steel pipe welding device, which is characterized in that it includes a base, a welding gun and a plurality of adjustable steel pipe clamping mechanisms, the base is provided with a steel pipe installation port; the welding gun is set on the On the base; a plurality of adjustable steel pipe clamping mechanisms are arranged on the base through columns, and the adjustable steel pipe clamping mechanisms can connect two sections of steel pipes arranged vertically and two sections of steel pipes arranged horizontally. The present invention The device is equipped with an adjustable steel pipe clamping mechanism. By switching the adjustable steel pipe clamping mechanism, the vertical welding and horizontal welding of the steel pipe can be realized at the same time during the welding process, and the welding method can be realized according to the actual size of the steel pipe to be welded during the working process. The rapid replacement effectively improves the welding efficiency.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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