84results about How to "Quick response to changes" patented technology

The invention relates to a middleware architecture of an Internet of things, which comprises a reader layer and an application layer, and is characterized in that: the middleware of the Internet of things comprises an edge layer and an integration layer arranged between the reader layer and the application layer in turn, wherein the edge layer periodically polls a reader through an edge server soas to eliminate repeated operation, executes filtering and equipment management function, simultaneously generates application event management protocol ALE events and transmits the ALE events to theintegration layer; the integration layer receives a plurality of ALE events and combines the ALE events into a workflow; and the workflow is used as one part of a larger service flow to be in contacted application to different systems. In addition, the invention provides SOA architecture-based middleware of the Internet of things. The middleware architecture of the Internet of things is an intermediate program architecture for implementing data transmission, filtering, data format conversion between RFID hardware equipment and an application system, and reduces the difficulty of application development. Therefore, a developer calls through the middleware without directly facing a bottom architecture.

The invention discloses a path computing method. A router forming IP network is divided to form at least one grid. Each grid comprises at least one router, each grid collects the router resource of each router in the said grid. Each grid establishes network topology based on the collected router resource and the path computing is performed based on the network topology and IP address resource of router. The invention also discloses a network topology method, grid frame, resource management system, enrollment service body, autonomous system and router, to increase the efficiency of resource management of network and path calculation.

The invention discloses an improved spectrum subtraction method based on a human ear masking effect and Bayesian estimation. The improved spectrum subtraction method comprises the steps of: (1) adopting an improved minimum control value recursive averaging algorithm to obtain noise power spectrum estimation of an original noisy speech; (2) combining the obtained noise power spectrum estimation forperforming preliminary spectrum subtraction on a noisy speech signal; (3) performing Bayesian estimation based on weighted likelihood ratio distortion measurement on the signal after preliminary spectrum subtraction, and calculating the optimal estimated amplitude spectrum of the signal; (4) calculating a subtraction parameter of secondary spectrum subtraction by utilizing the human ear masking effect; (5) performing IMCRA noise estimation again before secondary spectrum subtraction, and carrying out secondary spectrum subtraction to obtain a final enhanced speech signal; (6) and performing inverse Fourier transform on the enhanced speech signal to obtain a final enhanced speech. The improved spectrum subtraction method better guarantees the intelligibility of the speech while improving the noise elimination capability of the algorithm, thereby improving the overall effect of speech enhancement.

The invention provides a three-phase voltage type rectifier and a control method thereof. Through providing the high-robustness three-phase voltage type rectifier, a better inhibition effect on both overshooting and steady state error of a system is achieved while the high utilization rate of the voltage of an electric grid is guaranteed. The three-phase voltage type rectifier and the control method thereof have the following advantages: 1, the utilization rate of the electric grid can be increased by 15.4% through adopting an SVPWM (Space Vector Pulse Width Modulation) method compared with that achieved by an ordinary PWM (Pulse Width Modulation) method; 2, a voltage loop adopts a sliding-mode variable structure control (VSC) algorithm to replace the traditional PID (Proportion Integration Differentiation) control algorithm, thus the three-phase voltage type rectifier can rapidly respond to the voltage change of a direct current side; and 3, the voltage loop adopts a PID and VSC combined control method to replace the traditional PID control algorithm, so that the three-phase voltage type rectifier can rapidly respond to current change and can output stable control signals, and then, the overshooting and steady state error of the direct current side are reduced.

Provides a switching regulator control circuit, a switching regulator and a switching regulator control method for achieving low current consumption and quick response at normal operating time. A change-over switch MFB for opening / closing the phase compensation is provided to establish both the quick responsibility using a gain of an error amplifier EA provided with no phase compensation and stability of control system provided with phase compensation. By turning the change-over switch MFB non-conductive at a timing in which the PMOS transistor M1 turns to conductive, the phase compensation between the input and output of the error amplifier EA is cut off. A detection voltage VM is amplified in term of error with a gain of the error amplifier EA itself. A quick transient response to changes in the output voltage VOUT is achieved corresponding to maximum response characteristic. Phase compensation between the input and output of the error amplifier EA is formed by turning the change-over switch MFB conductive at a timing in which the PMOS transistor M1 turns to non-conductive. Consequently, stability of the control system can be secured.

A phase lock loop including a time-to-digital converter, a period counter, a phase accumulator, a comparator, and an output unit is disclosed. The time-to-digital converter outputs a detected phase error based on the timing difference between a reference clock signal and an output clock signal. The period counter increases a first accumulative value in each period of the output clock signal. The phase accumulator increases a second accumulative value in each period of the reference clock signal and outputs the second accumulative value as an estimative phase error between the reference clock signal and the output clock signal in next period. The comparator outputs a frequency correction signal according to the detected phase error, the first accumulative value, and the estimative phase error. The output unit provides the output clock signal and adjusts its frequency according to the frequency correction signal.

The invention discloses a device for supporting customization and running of software-as-a-service (SaaS) application processes. The device comprises a tenant perception agent module, a process description module, a process data mapping module, an execution manager and an original process engine, wherein the execution manager comprises a process deployment module, a process creation module and a process running module. The invention also discloses a method for supporting the customization and the running of the SaaS application processes. The device and method support loose coupling of process construction and business services; a developer only needs to develop basic business services; tenants are supported by the device to orchestrate complicated business processes, and thus, current process information can be automatically acquired to realize process variable access and driving of the business processes; mapping and isolation of processes of multiple tenants are realized; the device and method support that multiple tenants share one process engine; the processes of the tenants are not disturbed mutually; and software resources are fully utilized.

A distance measuring light projecting module comprises a light receiving module for receiving a reflected distance measuring light and a background light, a distance measuring unit for receiving the reflected distance measuring light and performs a distance measurement, an image pickup module for receiving the background light and for acquiring a background image, an optical axis deflector for integrally deflecting an optical axis of the distance measuring light and an optical axis of the background light, and an arithmetic control module for controlling the optical axis deflector, wherein the optical axis deflector has a rotary driving module for rotating a pair of disk prisms individually, and a projecting direction detecting module for detecting a rotation angle of each of the disk prisms.

The invention relates to a Web data processing method based on formal concept analysis. The method comprises the steps of analyzing the latent semantic relation of Web services on each granularity level by using the prior Web service describing information, expressing the relation between the services by using a concept lattice so as to realize concept grouping of the Web services, and providing an increment maintenance method for a service lattice to realize Web service management. A reduction method for the service lattice is provided through research on the similarity of the services under the condition of gradual increment of Web service quantity and category in Internet environment. The established service lattice carries out service search according to service request.

The invention discloses a control method for mutual superposition of AGC and primary frequency modulation in an opening mode. The control method comprises: adding a unit operation water purification head signal in a speed regulator control program; adding a primary frequency modulation power action quantity signal in a speed regulator control program, and uploading the primary frequency modulationpower action quantity signal to a monitoring system; dividing out n typical test water heads according to the actual operation water level of a power station; loading from no load to rated power under each test water head, and recording the corresponding relation between the guide vane opening and the power; calculating to obtain a primary frequency modulation opening degree action quantity by aspeed regulator internal program according to the frequency deviation; performing difference calculation on the primary frequency modulation opening actuating quantity to obtain a primary frequency modulation power actuating quantity, and uploading the primary frequency modulation power actuating quantity to a monitoring system; and performing superposition by the monitoring system, performing PIDcalculation, and then adjusting the opening degree of a guide vane to maintain the stability of the frequency of the power grid. According to the method, the problem that AGC and primary frequency modulation cannot be mutually superposed in the current opening mode is solved, and safe and stable operation of a unit and a power grid is facilitated.

Provides a switching regulator control circuit, a switching regulator and a switching regulator control method for achieving low current consumption and quick response at normal operating time. A change-over switch MFB for opening / closing the phase compensation is provided to establish both the quick responsibility using a gain of an error amplifier EA provided with no phase compensation and stability of control system provided with phase compensation. By turning the change-over switch MFB non-conductive at a timing in which the PMOS transistor M1 turns to conductive, the phase compensation between the input and output of the error amplifier EA is cut off. A detection voltage VM is amplified in term of error with a gain of the error amplifier EA itself. A quick transient response to changes in the output voltage VOUT is achieved corresponding to maximum response characteristic. Phase compensation between the input and output of the error amplifier EA is formed by turning the change-over switch MFB conductive at a timing in which the PMOS transistor M1 turns to non-conductive. Consequently, stability of the control system can be secured.

The invention discloses a dual-chip power supply circuit comprising an inductor, a turn-on element, a first chip and a second chip, wherein the second chip comprises a first switching tube and a driving control circuit; the first chip comprises a control circuit; the input end of the power supply circuit is connected to the first end of the first switch tube connected to the second chip; the second end of the first switch tube of the second chip is connected to the common end of the inductor and the turn-on element; and the control circuit of the first chip receives a feedback signal; the driving control circuit of the second chip receives the output voltage of the first chip; the low-voltage end of the output end is the reference ground of the control circuit of the first chip; the commonend of the inductor and the turn-on element is the reference ground of the driving control circuit of the second chip; and the feedback signal represents output voltage, output current, output power,input voltage, input current, or input power. The dual-chip power supply circuit can quickly adjust the output voltage in real time, and ensures the stability of the output voltage and the dynamic load regulation characteristics.

The invention discloses a micro-controller used for motor control. The micro-controller used for motor control is characterized by comprising a processor, a storage unit, a clock generation unit, a math co-processor, a programmable analog amplifier, an analog-to-digital converter, a motor control unit, a comparator and a bus unit. The processor, the storage unit, the clock generation unit, the math co-processor, the programmable analog amplifier, the analog-to-digital converter, the motor control unit and the comparator are connected via the bus unit.

The invention discloses a data acquisition method and apparatus. The method comprises the following steps: detecting whether a terminal executes network accessing or not; obtaining the sampling rate of a target data acquisition system from a sampling rate configuration device when the terminal is detected to have executed network accessing wherein the sampling rate configuration device is used to set the sampling rate of the data acquisition system; determining whether to conduct data acquisition to the terminal or not according to the sampling rate of the target data acquisition system; and conducting data acquisition to the terminal when it is confirmed that data acquisition to the terminal is needed according to the sampling rate of the target data acquisition system. The present application solves the technical problem that the sampling rate change in data acquisition takes effect slowly in the related technology.

A gradient coil or shield coil includes a first gradient coil part and a second gradient coil part having at least one different characteristic of (a) intensity of gradient magnetic field, (b) slew rate, (c) linearity and / or (d) changing rate of the magnetic field (as compared to characteristics of the first gradient coil part. In another aspect, a gradient coil includes a first portion close to a center of the gradient coil, a second portion which is outside of the first portion and which has a lower winding density than the first portion and a third portion which is outside of the second portion and which has a higher winding density than the second portion.

The invention discloses a test system and method for the short-circuit bearing capability of a distribution transformer. An alternating-current power source is connected to an input terminal of a phase shifting transformer through an input line; and an incoming line switch for adjusting connection or disconnection of the input line is arranged at the input line. The output terminal of the phase shifting transformer is connected to an input terminal of a power unit group; the output terminal of the power unit group is connected to an output line; and an outgoing line switch for adjusting the connection or disconnection of the output line is arranged at the output line. The power unit group includes a plurality of power units that are connected in parallel; and each power unit includes a rectifying circuit, an energy storage capacitor and an inverter circuit. The output terminal of a controller is connected with a control terminal of the power unit group to adjust parameters of the powerunit group, so that an alternating-current voltage is outputted stably. Therefore, the cost for testing the short-circuit bearing capability of a distribution transformer can be lowered; the requirement on the field by the test system can be reduced; the test difficulty is reduced; and the test efficiency is improved.

A mobile terminal slave mode frequency point measuring method and a mobile terminal slave mode frequency point measuring device are disclosed. The method comprises the following steps: the priority of all to-be-measured frequency points in a current measurement period is acquired; when a to-be-measured frequency point is a high-priority frequency point and no cell is found at the to-be-measured frequency point, if the number of measurement periods in which cell synchronization fails at the to-be-measured frequency point is greater than a preset value, the priority of the to-be-measured frequency point is decreased, and a punishment identifier corresponding to the to-be-measured frequency point is set; when a to-be-measured frequency point is a low-priority frequency point and no cell is found at the to-be-measured frequency point, if the to-be-measured frequency point has a punishment identifier and the duration from previous priority reducing operation to the current time reaches a preset length, the priority of the to-be-measured frequency point is increased; and measurement gaps are allocated for all the to-be-measured frequency points according to the adjusted priority of the to-be-measured frequency points, and frequency point measurement operation is performed. By using the method and the device, a cell with good signal quality can be found quickly.

The invention provides an automatic control method based on an open numerical control system comprising a PC machine and numerical control hardware. The numerical control hardware is connected to the PC machine through a system bus. The method comprises the following steps: (1) the PC machine generates a control command of adjusting an external equipment position according to a numerical control processing program, (2) the numerical control hardware transmits the control command to external equipment in the mode of an electric signal and receives the feedback signal of the external equipment, wherein an event is defined in each step of generating the control command by the PC machine. According to the method, the convenient integration of needed functions into the numerical control system by a user is facilitated to realize various special functions, and the continuous development and change of a numerical control machine tool can be quickly responded.

The invention provides a calculating method for a tidal volume of a breathing machine. The method includes the following steps: step 1, acquiring instantaneous flow rate F at interval time <delta>t through a flow sensor at the end of the breathing machine, and performing median filtering on the instantaneous flow rate F; step 2, calculating difference F2 of the instantaneous flow rate F and baseline flow rate F1, wherein the baseline flow rate F1 is an average value of the instantaneous flow rate F in the period T; and step 3, performing integration on the flow rate F2 in an inspiratory phaseto obtain an inspiratory tidal volume Vi, and performing integration on the flow rate F2 in an expiratory phase to obtain an expiratory tidal volume Ve. According to the calculating method and devicefor the tidal volume of the breathing machine, a storage medium and the breathing machine provided by the invention, the tidal volume of a user during use of the breathing machine can be accurately calculated, so that the therapeutic effect can be improved.

The embodiment of the invention provides a sensitive word recognition method and device and an electronic device. The method comprises the steps of obtaining one or more to-be-detected texts generatedin a predetermined application platform; constructing a query data structure according to the to-be-detected text; and matching the query data structure with the preset first sensitive word data so as to identify the sensitive words contained in a to-be-detected text generated in the application platform, thereby realizing the identification of the sensitive words.

The embodiment of the invention discloses a state monitoring method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: obtaining a state monitoring command which comprises a state monitoring field specific language statement and state monitoring object identification information; Acquiring state monitoring data according to the state monitoring command; And calculating according to the state monitoring data to obtain a state monitoring result. According to the technical scheme, the constraint of the java code is removed; Rewriting of corresponding java codes is not needed no matter whether internal logic of the rules changes or the number of the rules is increased, conudcting direct operation by modifying specific language statements in the field, the process is simple, universality is high, change of the rules can be quickly reflected, and then the data processing efficiency is greatly improved.

The invention discloses a semiconductor cooler impedance matching circuit for supplying power for a photovoltaic cell, comprising a sampling module and an impedance matching module, wherein the impedance matching module is composed of an analog / digital signal conversion unit, a signal processing and controlling unit and an impedance conversion unit connected with the semiconductor cooler in series; the sampling module samples the output voltage and output current of the photovoltaic cell, and sends the sampled analog signal to the impedance matching module; the analog / digital signal conversion unit in the impedance matching module converts the received analog signal into the digital signal; the signal processing and controlling unit processes the digital signal and outputs a PWM control signal to the impedance conversion unit; and equivalent load composed of the impedance conversion unit and the semiconductor cooler realizes impendence matching with the photovoltaic cell under the control of the PWM control signal. The invention has simple structure and can cause the semiconductor cooler of which the power is supplied by the photovoltaic cell to work at the best operating point.

The invention discloses a temperature-controlled sunshade greenhouse, and belongs to the field of agricultural technical equipment. The greenhouse is composed of a greenhouse membrane, a skeleton, a main girder and a temperature control device, wherein the temperature control device comprises a temperature controller, a carbon fiber heating cable, a data cable and a temperature measuring device; the temperature controller is connected to the temperature measuring device through the data cable; the temperature controller connected with a power supply is connected to the carbon fiber heating cable, the skeleton is a hollow steel tube, and the carbon fiber heating cable is inserted in the tube; and a sunshade net is arranged below the greenhouse membrane, and the light transmittance of the sunshade net is 20%. According to the invention, the temperature inside of the greenhouse can be automatically controlled, so that an effect of unattended temperature control is achieved; the temperature measuring device is arranged close to crops, so that the temperature measurement is accurate; and a heating source is located at the top of the greenhouse, so that the external temperature changes can be responded rapidly.

The invention, which relates to the field of intelligent control, discloses an iterative-feedback-setting-based tracking control method for a pneumatic artificial muscle joint. Under framework of a PID control strategy, on the basis of the basic principle of an IFT algorithm, a parameter optimization theory and an iterative feedback setting algorithm, controller parameters of the PID controller are automatically set according to a tracking performance criterion function of a closed-loop system and input and output signals; and optimal values of the controller parameters are obtained based on aGauss-Newton algorithm, so that the high-precision tracking of the desired trajectory is realized.

The invention relates to a pressure control valve, in particular to a magnetorheological pressure control valve for achieving hydraulic system pressure control through a force required to start the control valve. The pressure control valve comprises an inner valve body, a valve core, a blanking cap, a main valve body, a working chamber containing magnetorheological fluid, a coil assembly composed of a coil and a magnet separation jacket, an outer valve body, an upper valve body, a thrust shaft, a spring seat, a reset spring, an end cap, a travel switch sensor and a plurality of rubber seal rings. The magnetorheological pressure control valve is simple in structure, convenient to manufacture, high in energy efficiency and quick in pressure response and stepless and intelligent control of system pressure can be achieved.

A base station transmits to a user equipment (UE), an indication of an adjustment to at least one of a density or a location of one or more demodulation reference signals (DMRS) for at least one physical uplink control channel (PUCCH) format. The base station monitors for PUCCH based on the adjustment to the density or the location of the DMRS indicated to the UE. A UE receives, from the base station an indication of an adjustment to at least one of a density or a location of one or more DMRS for at least one PUCCH forma and transmits, to the base station, a PUCCH based on the indication of the adjustment to at least one of the density or the location of the one or more DMRS.

The invention relates to a middleware architecture of an Internet of things, which comprises a reader layer and an application layer, and is characterized in that: the middleware of the Internet of things comprises an edge layer and an integration layer arranged between the reader layer and the application layer in turn, wherein the edge layer periodically polls a reader through an edge server soas to eliminate repeated operation, executes filtering and equipment management function, simultaneously generates application event management protocol ALE events and transmits the ALE events to theintegration layer; the integration layer receives a plurality of ALE events and combines the ALE events into a workflow; and the workflow is used as one part of a larger service flow to be in contacted application to different systems. In addition, the invention provides SOA architecture-based middleware of the Internet of things. The middleware architecture of the Internet of things is an intermediate program architecture for implementing data transmission, filtering, data format conversion between RFID hardware equipment and an application system, and reduces the difficulty of application development. Therefore, a developer calls through the middleware without directly facing a bottom architecture.

The invention discloses a service processing method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: analyzing a service identifier of a service line from a service request; acquiring a part node set corresponding to the service identifier from a configuration center; the part node set comprises part nodes corresponding to the service line and an execution sequence of the part nodes; and reflecting and calling each part node in the part node set, and executing each part node in the part node set based on the execution sequence of each part node in the part node set to realize service processing. According to the embodiment, the calling relation which frequently changes along with the demand is extracted from the configuration file for management, the delivery speed of the demand can be increased, the change can be quickly responded, and the research and development cost of the system is reduced. The execution sequence of each part node is arranged by adopting the AOV network, so that the conflict of the dependency relationship and parallel execution among the part nodes can be solved.

The sensor comprises the tubular case and inner hull inside the case, the tubular inner membrane and the passage for transferring vibration. The said passage is connected to the vibration cavity setup at inner circle surface of the inner hull. An induction membrane installed on the inner hull can block out the passage. Metal pole is connected to the induction membrane. The sensor possesses the features of simple structure, low cost, small pressure loss of measured gas and high accuracy in measurement.