201results about How to "Achieve rapidity" patented technology

The subject invention relates to a set of DNA primers which, when utilized in conjunction with the polymerase chain reaction (PCR) assay, can amplify and speciate DNA from five medically important Candida species. Furthermore, the PCR amplified products, generated by the primers, can also be used to create species specific probes which can also detect and confirm the five species of Candida. Thus, the present invention allows for early diagnosis and treatment of an infection. The assay is useful in the context of monitoring antifungal treatment regimens, screening potential antifungal agents, and similar applications requiring quantitative determinations.

The invention discloses a trajectory tracking sliding mode control method for a spraying mobile robot. The method comprises the following steps of: performing mechanism analysis on a mobile robot, and establishing a mobile robot kinematic model with non-integrity constraint; establishing a controlled object mathematical model of each branch controller of a wheeled mobile robot provided with a motor driving shaft disturbance term; identifying a traveling path by utilizing a computer vision system, and determining an expected motion track of each branch driving motor according to the kinematic model deduced in the previous step; detecting the rotating speed of the motor, calculating the actual motion angular velocity and actual motion angular acceleration of left and right driving motors of the mobile robot, and calculating the deviation and deviation derivative between the expected angular velocity and the actual angular velocity of each driving motor; establishing a sliding mode switching function which meets the speed control requirement of the driving motor; determining the sliding mode controller control quantity of the left and right driving motors of the mobile robot on the basis of the sliding mode surface function s; and respectively transmitting the control quantity of the motor of the mobile robot to the left and right driving motors.

The invention discloses a method based on the topology protection of a distributing network, which comprises the following steps: (1) all distributing automation terminals respectively form a distributing network topology structure, and each distributing automation terminal is linked with adjacent nodes in a lateral communication mode; and (2) whether each switch is an adjacent node is judged based on a line failure criterion; if yes, the network topology protection corresponding to the switch is activated to trip the switch of the node; and otherwise, the network topology protection is not activated, wherein the line failure criterion is as follows: if the switch is not a transformer substation outlet switch and a line overcurrent failure is detected in one and only one of N adjacent nodes, the fact that the switch is a failed adjacent node is judged; and if the switch is a transformer substation outlet switch and a line overcurrent failure is detected in one and only one of N nodes including the transformer substation outlet switch, the fact that the transformer substation outlet switch is a failed adjacent node is judged. The method can rapidly, accurately and selectively position the failure and isolate the failure.

A method and apparatus for the semisolid forming of alloys to enable shaped parts having a fine-grained, spherical thixotropic structure to be produced in a convenient, easy and inexpensive manner without relying upon the conventional mechanical or electromagnetic agitation. In the method, a molten alloy having crystal nuclei at a temperature not lower than the liquidus temperature or a partially solid, partially molten alloy having crystal nuclei at a temperature not lower than a molding temperature is fed into an insulated vessel and is maintained in the insulated vessel for 5 seconds to 60 minutes as it is cooled to the molding temperature where a specified liquid fraction is established, thereby crystallizing fine primary crystals in the alloy solution, and the alloy is fed into a forming mold, where it is shaped under pressure.

The present disclosure includes: searching a code clone corresponding to a used source code from any analysis target source code; detecting a security sink and sensitive data of the security sink on the basis of patch information in the searched code clone; acquiring a source code which is from the user input point the a security sink by backwardly tracing the sensitive data detected in the analysis target source code; and verifying whether the searched code clone is a vulnerability in the analysis target source code by performing a concolic testing on the basis of a path from the input point to the security sink.

Thermal control devices adapted to provide improved control and efficiency in temperature cycling are provided herein. Such thermal control device can include a thermoelectric cooler controlled in coordination with another thermal manipulation device to control an opposing face of the thermoelectric cooler and / or a microenvironment. Some such thermal control devices include a first and second thermoelectric cooler separated by a thermal capacitor. The thermal control devices can be configured in a planar configuration with a means for thermally coupling with a planar reaction vessel of a sample analyzer for use in thermal cycling in a polymerase chain reaction of the fluid sample in the reaction vessel. Methods of thermal cycling using such a thermal control devices are also provided.

The invention discloses a hybrid energy control system and a control method of a solid oxide fuel cell. The control system comprises a signal collector, a state estimator, a controller, a controllableboost DC / DC converter, a bi-directional DC / DC converter and a flux conditioner; the signal collector comprises a sampler used for collecting the voltage, the current and the temperature of a lithiumbattery pack, the load current and the voltage of the controllable boost DC / DC converter, and the state estimator obtains the SOC (stress optical coefficient) of the lithium battery pack according tothe voltage, the current and the temperature of the lithium battery pack; and the controller obtains the load power according to the load current and the output end voltage of the bi-directional DC / DCconverter, the controller determines the working state and electric pile output power of the lithium battery pack according to the load power and the SOC of the lithium battery pack, and outputs thecontrol signals of the bi-directional DC / DC converter and the controllable boost DC / DC converter, and the fuel flux, the air flux and the flux additional control signals of a SOFC (solid oxide fuel cell) electric pile system, and the flux conditioner controls the SOFC electric pile system.

The invention discloses an error compensation model-based wind turbine generator maximum wind energy capture control method, which comprises the following steps: establishing an error compensation model for measuring wind speed and rotating speed during stable operation; by detecting the wind speed in real time, acquiring speed variation at the current wind speed, and taking a value that the speed variation is superposed to the expected optimal rotating speed of a wind turbine as a wind turbine rotating speed control set value; calculating an active power instruction of a generator to control the output power of the wind turbine generator; and simultaneously, when the rotating speed of the wind turbine approaches the set value, taking the rotating speed of the wind turbine detected in real time as the wind turbine rotating speed control set value to control the generator to achieve stable operation so as to realize the maximum wind energy capture. Through the method, the wind turbine can quickly track the change of the wind speed, the computed rotating speed set value variation caused by wind speed measurement error is compensated through error compensation, and when the set value is close to stability, a power set value is computed through the actual rotating speed to ensure that the output power of the wind turbine is along the optimal power curve and to realize quick tracking of the maximum wind energy.

A multi-arm robot used for tunnel lining inspection and defect diagnosis in an operation period, including a moving platform, where an environment detection device and a defect infection device are disposed on the moving platform, the defect infection device is disposed on the moving platform by using a multi-degree-of-freedom mechanical arm, and an attitude detection module is disposed on each multi-degree-of-freedom mechanical arm; a controller receives environmental data and mechanical arm attitude data sensed by the environment detection device and the attitude detection module, and sends a control instruction to the moving platform and the multi-degree-of-freedom mechanical arm according to the environmental data, to implement movement of the robot; and the controller receives tunnel lining structural data sensed by the defect infection device, and performs defect diagnosis. Overall automatic inspection can be implemented both on the surface and inside of the tunnel lining.

The present invention relates to a system and method for constructing a pre-stressed modular construction for supporting or retaining an applied load. In particular, the present invention relates to a system and method for pre-stressed modular retaining walls. The system comprises a plurality of header stacks constructed from a variety of header units. The header stacks are coupled by structural members. Active reinforcement elements are used to induce a pre-stressing force into the header stacks to support or retain the applied load. A method for constructing the modular construction is provided.

The invention provides a method for automatically having access to the network. The method includes the steps that a server terminal starts a UDP to conduct broadcasting and sends a UDP information packet; a client terminal receives the UDP information packet and obtains the IP address of a server from the UDP information packet; according to the IP address of the server, TCP network connecting is built. By means of the method for automatically having access to the network, positive registering, reconnection after offline and intelligent heartbeats are achieved.

The invention discloses a CT (Computed Tomography) image reconstruction method based on a variational inequality at a sparse sampling angle. The CT image reconstruction method comprises the following steps: (1) carrying out equal-angle interval projection scanning within an angle range of 0-180 degrees by aiming at a fan-beam CT to obtain spare projection data y, wherein an angle interval in a projection direction is between 2 and 6 degrees; (2) calculating a projection matrix A through an X-ray source, a detector and the position information of an object to be reconstructed; (3) according to the projection data y obtained in the step (1) and the projection matrix A obtained in the step (2), simultaneously introducing the sparsity and the non-negativity of an image gradient to serve as priori knowledge to obtain a reconstruction model of an image reconstruction problem at the sparse sampling angle; (4) converting the reconstruction model in the step (3) into a variational inequality form; and (5) solving the variational inequality in the step (4) to obtain a reconstructed image. On the premise that image reconstruction quality is guaranteed, reconstruction convergence speed can be quickened, and single-iteration time is shortened.

The invention discloses a video networking service front-end computer with an interconnected and intercommunicated video management platform. The video networking service front-end computer comprises a video front-end processor (FEP), a configuration client and a video management platform, wherein the video FEP consists of an analog video capture / conversion module, a universal message module, a digital video reception / conversion module, a video diagnosis module, a control protocol gateway, a coding module H.263 and a communication control protocol interface module; and the configuration client can be in information interaction with the video FEP through the video management platform so as to complete the configuration, operation and maintenance of the FEP. According to the video networking service front-end computer, the output supports ONVIF (Open Network Video Interface Forum) and GB / T28181 standard protocols, and the input supports various heterogeneous system private protocols, so that an extensive media resource support for the interconnection and intercommunication of heterogeneous video systems is provided; and meanwhile, the configuration is flexible and convenient, the network adaptability is strong, and the video data is secure and reliable.

The invention discloses a multi-unmanned aerial vehicle three-dimensional formation reconfiguration method based on an artificial bee colony (ABC) algorithm, and belongs to the technical field of unmanned aerial vehicle control. The method comprises the following steps: firstly, establishing a motion model of an unmanned aerial vehicle and then giving out mathematical description of optimal time control of three-dimensional formation reconfiguration; and after piecewise linearization control input is carried out, carrying out unmanned aerial vehicle three-dimensional formation reconfigurationby using an ABC algorithm. Compared with the prior art, the method disclosed by the invention has the advantages that the searching time of unmanned aerial vehicle formation reconfiguration through the ABC algorithm is shortest, so that the rapidity of the unmanned aerial vehicle formation reconfiguration is realized; and the ABC algorithm is a global search method which can avoid falling into local optimization, so that the accuracy of the unmanned aerial vehicle formation reconfiguration is improved.

The invention discloses a texture replacing method based on a two dimension image; the method comprises the following steps: calculating each chartlet according to model UV; fusing model normal with texture normal; simulating real photosensitive lines; fusing texture diffuse reflection information; fusing texture highlight information; fusing texture color information; integrally fusing all calculated component including fused color information, diffuse reflection information and highlight information, thus obtaining the replaced texture effect.

The invention relates to a method for quickly detecting an unstructured road on the basis of a Haar texture. The conventional method has the problems of high computation complexity, poor real-time performance and the like. According to the invention, a new method for extracting Haar textural features is provided, an idea of introducing an integral image is used for realizinv the quickness of Haar texture extracting, the accuracy of Haar feature representation is realized through orthogonal correction, and a new voting mechanism is proposed; and moreover, under the constraint of end points, the unstructured road is partitioned through utilizing optical character recognition (OCR) features and the color difference of the adjacent areas. The method can effectively detect the road end points of unstructured roads which do not have lane lines or marks and have unclear road boundaries, changeable road shapes and the like; and the method has a good function of detecting the unstructured roads.

The invention relates to a displacement control method for a hub motor fluid power system variable pump, and belongs to an automobile control system. The revolving speed of front wheels follows the revolving speed of rear wheels. The displacement control method is mainly divided into static regulation and PI (proportional integral) regulation, wherein the static regulation comprises two steps of gear estimation and displacement table search; the table is directly searched according to the estimated gear to obtain a constant value displacement, i.e. the static displacement; the PI feedback regulation of the difference value of the front wheel speed and the rear wheel speed needs to be added to correct the static displacement. The displacement control method for the hub motor fluid power system variable pump has the advantages that the front wheel speed and the rear wheel speed of the automobile can be consistent under the control of the control method when the system is under the auxiliary driving working condition, and the trackslip efficiency of the whole automobile is optimal while the hub motor fluid power system is controlled to obviously improve the passage capacity of the whole automobile on a low-adhering road surface or a road surface with a big slope.

The invention provides a pure electric two-gear AMT gear shifting control method based on synchronous track optimization. A gear shifting motor and drive motor parallel coordinated control strategy isprovided, the synchronizer work process is decomposed in details, and the optimal synchronous track is determined through the PI control method and the optimal control method based on the minimum principle; and the good gear shifting quality is guaranteed, and the gear shifting smoothness and rapidness are improved.

A method of killing a specific target cell / tissue is disclosed. The method comprises exposing the specific target cell / tissue to a composition-of-matter comprising a double stranded RNA molecule associated with a targeting moiety selected capable of targeting to the specific target cell / tissue, thereby killing the specific target cell / tissue.

The invention relates to a three-axis stable pan-tilt. The three-axis stable pan-tilt comprises a base, wherein a yaw axis control brushless motor is arranged on the base and connected with a roll axis control brushless motor through an inter-axis connection support I; the roll axis control brushless motor is connected with a pitching axis control brushless motor through an inter-axis connection support II; an equipment fixing platform is arranged on a rotor of the pitching axis control brushless motor; a feedback control module is arranged on the equipment fixing platform; and a master control module is arranged on the base. The three small-sized DC brushless motors in orthogonal connection are adopted to adjust the stability of three axes of the pan-tilt, feed-forward and feedback composite control is utilized to realize stable feedback control and rapid feed-forward control and can guarantee that the pan-tilt system is more stable, and the three-axis stable pan-tilt is stronger in controllability and is suitable for popularization and practical application.

The invention relates to a control method of a proportional electromagnetic valve. To solve the problem that a PWM control driving current closed-loop adjusting rising time of an existing proportionalelectromagnetic valve is long, adjustment is slow, and fast responding is incapable, the proportional electromagnetic valve driving method based on PWM is provided, the impedance value R of the proportional electromagnetic valve is obtained, the driving voltage P loaded on the proportional electromagnetic valve is detected, whether the target current changes or not is detected, if the target current Ix changes, calculating the estimated duty ratio D= K*R*Ix / P, and the controller outputs PWM signals to the proportional electromagnetic valve according to the estimated duty ratio D; the actual current Ic flowing through the proportional electromagnetic valve is detected and compared with the target current Ix, the duty ratio is adjusted through closed-loop control until the difference valuebetween the actual current IC and the target current Ix is smaller than or equal to the error value. According to the control method, most of control rising time is saved, the control rapidity is realized, and the adjusting time is greatly shortened.

A framing device (1) and a method are provided for connecting disk-type bodies (6) to a frame (5) by a manipulator (2). A joining device (4) is associated with the manipulator (2), for joining individual frame parts (8, 9, 10, 11) to the disk-type body. The manipulator (2) guides the disk-type body (6) and inserts it into the frame parts (8, 9, 10, 11) provided, the frame parts being pressed against the disk edge (7) at the same time or one after the other.

A keyboard for inputting alphanumeric characters, for example the keyboard of a personal computer, is disclosed in which the alphabetic characters are disposed in alphabetic sequence to facilitate their location.

The invention relates to a high-performance water-based polymer drilling fluid system. The high-performance water-based polymer drilling fluid system is mainly applied to the petroleum drilling industry and strong inhibition of a cationic polymer drilling fluid system. The high-performance water-based polymer drilling fluid system mainly contains a cationic polymer coating agent, a cationic polymer inhibitor, a fluid loss additive and a lubricant, and also contains other assistants forming the water-based drilling fluid system, such as bentonite, a tackifier, a weighting agent, a defoamer, a pH regulator and a plugging agent, and the balance of water. The drilling fluid system prepared in the invention has the advantages of strong inhibition property, good rheological performances, good lubricity and good resistance to the high temperature, and can be used for drilling the horizontal segment of a shale gas horizontal well.

The present invention discloses a similarity single-phase earth fault line selection method based on active full compensation arc suppression control. In a small current grounding system, an active full compensation arc suppression control device replaces an arc suppression coil compensation device; when a single-phase earth fault occurs, circuit zero-sequence current at a compensation stage is notably characterized in that neither the size nor the direction of non-fault circuit zero-sequence current is changed while both the amplitude and the phase position of a fault line are changed; at the compensation stage, similarity analysis is carried out in pairs on zero-sequence current waveforms of all circuits to obtain a similarity coefficient matrix, every row of the coefficient matrix is added to obtain a series of comprehensive similarity coefficient values, and thus the circuit corresponding to the minimum comprehensive similarity coefficient is the fault circuit. With adoption of the method provided by the present invention, compensation and arc suppression aims are achieved when single-phase earth faults occur in a system, the rapidity is also ensured, rapidity and accuracy in fault line selection are realized during compensation, and interferences of other signals on the system are also avoided.

The invention discloses a tiny discharge gap bi-feedback adaptive analytic fuzzy servo control method, and belongs to the technical field of non-traditional micromachining. In the method, interpolar voltage or current signals which are fed back in real time are compared with a control target center so as to obtain signal errors and the change of the errors; a self regulating factor of an analytic fuzzy control rule in the whole field is dynamically adjusted, and the discharge gap servo control performance is improved; and then, in order to adapt to machining conditions and control errors introduced by process random change, a discharge statistics and parameter correction feedback channel is utilized to store and count an open circuit rate and a short circuit rate, and a fast convergence algorithm directly proportional to the open circuit rate and the short circuit rate is adopted, so that the control target center and an electrode advancing and retreating speed scale factor adaptively tend to be optimal simultaneously, and the open circuit rate tends to be equal to the short circuit rate and is the minimum, namely the discharge rate tends to be optimal. The method realizes the quickness, stability and accuracy of tiny discharge gap servo control and improves micro electrical discharge machining efficiency.

Provided is a microcapsule-based hardener for an epoxy resin, which have a core (C) formed using a hardener (H) for the epoxy resin as a starting material and a shell (S) for covering the core (C) therewith. Since it is characterized in that the hardener (H) for the epoxy resin has an average particle size exceeding 0.3 μm and not greater than 12 μm; a content of a small-particle-size hardener for epoxy resin defined to have a particle size 0.5 time or less of the average particle size of the hardener (H) for the epoxy resin is from 0.1 to 15%; and the shell (S) has, on the surface thereof, a binding group (x) capable of absorbing infrared rays having a wave number of from 1630 to 1680 cm−1, a binding group (y) capable of absorbing infrared rays having a wave number of from 1680 to 1725 cm−1, and a binding group (z) capable of absorbing infrared rays having a wave number of from 1730 to 1755 cm−1, it is excellent in storage stability and at the same time, in reaction rapidity.

Provided is a microcapsule-based hardener for an epoxy resin, which have a core (C) formed using a hardener (H) for the epoxy resin as a starting material and a shell (S) for covering the core (C) therewith. Since it is characterized in that the hardener (H) for the epoxy resin has an average particle size exceeding 0.3 μm and not greater than 12 μm; a content of a small-particle-size hardener for epoxy resin defined to have a particle size 0.5 time or less of the average particle size of the hardener (H) for the epoxy resin is from 0.1 to 15%; and the shell (S) has, on the surface thereof, a binding group (x) capable of absorbing infrared rays having a wave number of from 1630 to 1680 cm−1, a binding group (y) capable of absorbing infrared rays having a wave number of from 1680 to 1725 cm−1, and a binding group (z) capable of absorbing infrared rays having a wave number of from 1730 to 1755 cm−1, it is excellent in storage stability and at the same time, in reaction rapidity.

The invention discloses a fault prediction method of power transformation primary equipment. The method comprises the fault predication of a transformer, an isolating switch and a circuit breaker. The fault predication of the aspects of the transformer, the isolating switch, the circuit breaker and a metal oxide lightning arrester is mainly carried out, through the combination of various advanced technology of electronics, computer, photoelectricity, signal processing and sensing, and the fault predication and rapidness and accuracy of detection are realized. According to the method, the potential fault of power equipment can be early found, an early warning or prescribed operation is provided for the operation of the power equipment, and thus the stable and safe operation of a power grid is ensured.

The invention relates to the structure of a part of a device for heating water by using industrial high-temperature smoke, in particular to a spray nozzle structure capable of regulating the diameter of fogdrops rotationally along a circumferential direction, which is characterized in that: a plurality of water spray holes (3a) are reserved uniformly in circles with different diameters from the inside to the outside on a lower bottom plate (3) of a cylindrical spray nozzle; corresponding to the plurality of water spray holes (3a) reserved on in the circles with different diameters, a plurality of circles of water spray hole covers, namely a plurality of circles of rotary ring plates (4), are arranged in the middle of the cylindrical spray nozzle, and the lower edges of the rotary ring plates (4) are provided with raised water spray hole covers (4a) corresponding to the water spray holes (3a); and the upper edges of the rotary ring plates (4) all are provided with an arc external tooth section (4b) or arc internal tooth section (4b), a rotary handle (5) is arranged on the upper panel of the cylindrical spray nozzle (1), and tooth rings (5b) are arranged in a circumferential direction on the surface of the rotary shaft (5a) of a rotary handle (5) to be meshed with the arc external tooth section (4b) or arc internal tooth section (4b). In the technical scheme, the flow of sprayed water is controlled, and the atomization effect of the sprayed water drops is improved; and the water spray holes distributed in the plurality of circles can be regulated at the same time, and the mechanism is simple, reliable and stable.