103results about How to "Clear control" patented technology

The invention provides a workflow control system of project implementation. The workflow control system comprises a project range management module, a project human resource management module, a project progress management module, a project cost management module, a project quality management module, a project health safe environment HSE management module, a project procurement management module, a project communication management module, a project risk management module and a project comprehensive management module. By means of the workflow control system, workflow control efficiency can be improved, and requirements of all aspects on information sharing are met.

The invention discloses a constant speed cruise control system and a control method applied to a pure electric vehicle. The control system comprises an information acquisition processing module, a cruise state machine module and a cruise control module. The information acquisition processing module is responsible for identifying and processing cruise key signals and various signals. The cruise state machine module is responsible for taking the constant speed cruise key and some information of the vehicle as the signal input and outputting the vehicle demand signal through the transition condition and the limit condition of the state machine. The cruise control module is used for making the closed-loop control according to the constant speed cruise demand vehicle speed and the collected current vehicle speed, getting the acceleration or deceleration signal, and finally getting the constant speed cruise demand torque through conversion. The invention improves the controllability, the comfort and the safety of the vehicle. The invention can stably and effectively set cruise vehicle speed, and the response of the cruise vehicle speed is rapid. Smooth torque switching, stable speed; during cruising and decelerating, the energy can be recovered, the utilization rate of vehicle energy can be improved, and the driving range can be increased.

The invention discloses a fractional-order adaptive inverse fuzzy sliding mode control method for a microgyroscope. The method comprises a step of establishing a dimensionless dynamic equation mathematical model and a reference trajectory model of a microgyroscope system, and a step of constructing an inversion adaption fuzzy sliding mode controller based on a fractional order. According to the method, the real-time tracing of a target by the microgyroscope can be achieved, the robustness of the system is increased, and good performance still can be maintained under the condition of external interference. A fractional order adaptive law is designed based on a fractional order sliding mode surface, a self-adaptive identification method is designed based on a Lyapunov stability criterion, various unknown system parameters of the microgyroscope is estimated in an online way in real time, compared with an integer order, adjustable items are added, and a control effect and a parameter estimation effect are improved. A fuzzy system approaches upper bound values of a parameter uncertainty and an external disturbance total number, through the fuzzy approximation of the upper bound values,switching terms in the sliding mode controller can be continuous, and buffeting can be greatly reduced.

The invention discloses a micro-gyroscope fractional order self-adaptive fuzzy neural inversion terminal sliding mode control method. The method includes the steps of establishing a dimensionless kinetic equation mathematical model and a reference trajectory model of a micro-gyroscope system, and establishing a fractional-order-based inversion terminal sliding mode controller. By means of the method, a micro-gyroscope can track a target in real time, so that errors are converged to zero within limited time; the robustness of the system is enhanced, and good performance is still kept under thecondition that external interference exists; a fractional order adaptive law is designed according to a fractional order terminal sliding mode surface, a self-adaptive identification method is designed on the basis of a Lyapunov stability criterion, and various unknown system parameters of the micro-gyroscope are estimated online in real time; compared with an integer order, adjustable items are added, so that the control effect and the parameter estimation effect are improved.

The invention provides an electromagnetic under-voltage release comprising a filtering rectifying circuit, a sampling circuit, a power supply circuit, a control module, a driver module and an electromagnet. A direct-current resistance of a starting winding is less than a direct-current resistance of a working winding. According to the electromagnetic under-voltage release and the controlling method thereof, a microcomputer is used for controlling the control circuit, and the controlling thinking is clear and the circuit structure is simplified and ingenious. The starting winding-working winding dual-coil electromagnet is arranged at the circuit, and the direct-current resistance of the starting winding is less than the direct-current resistance of the working winding and the working current of the starting winding is high and the starting torque is large, so that the pull-in performance of the electromagnet can be ensured. And the working current of the working winding is low and thus the basic power for pull-in maintaining of the electromagnet is provided, so that the heating value is extremely low.

The invention provides a quantitative description method for a torsional/tensional geological structure. The quantitative description method for the torsional/tensional geological structure comprises the steps of a step 1, analyzing according to fault geometric features, forming an analog according to a tectonic stress field and a fault, determining the type of a basin torsional/tensional structure; a step 2, establishing a basin and fault forming mechanism and a static model; a step 3, performing dynamic quantitative analysis, obtaining the development characteristic of the basin torsional/tensional structure, performing quantitative calculation for obtaining the vertical displacement and horizontal displacement of a torsional/tensional fault in each key period, and meeting a quantization standard; and a step 4, establishing a dynamic geological structure for torsional/tensional fault of the basin, and defining control function for a basin sedimentary reservoir and oil-and-gas migration and entrapment. The quantitative description method for the torsional/tensional geological structure has functions of defining control function of the torsion/tension structure to deposition, reservoiring and entrapment, settling a problem of low well drilling success rate in torsional/tensional basins, and realizing profound measuring for oil-gas exploration on similar basins.

The invention discloses an optimizing method for pelletizing production integrating a chain-and-grid conveyer, a rotary kiln and a circular cooler which are triune. Based on material and heat exchange inside single equipment and among the three devices, heat supply and distribution of the chain-and-grid conveyer, the rotary kiln and the circular cooler are optimized online by adopting a technology of combining a mathematic model and expert control. The mathematic model is a triune heat and mass transfer model. A coupling relationship among a chain-and-grid conveyer model, a rotary kiln model and a circular cooler model is considered in construction. The heat and mass transfer model is applied to a pelletizing production process, so that the production process is transparent. Parameter control in the production process is carried out by adopting an expert control rule library, thereby optimizing the production process.

The invention provides a simulation and evaluation method and system for an under-salt dolomite water-rock reaction. The method comprises analyzing stratum water of a research area; stratum water classification is carried out by using a Sulin method; formulating experimental fluids, preparation of dolomite core sample, dolomite water rock reaction test is performed; the dolomite water-rock reaction is judged to reach chemical equilibrium; the method comprises the following steps: determining the fluid flow rate of the dolomite water rock reaction, carrying out the under-salt dolomite water rock reaction by using the prepared experimental fluid and a dolomite rock core sample, analyzing and calculating the changes of mineral components, corrosion and precipitation, and quantitatively evaluating the influence of the under-salt dolomite formation water on the corrosion and precipitation of the dolomite. According to the method, the quantitative evaluation of the reaction between the dolomite and the corresponding formation water under the geological background of the subsalt dolomite reservoir can be realized; the specific influence of stratum water attributes in the dolomite water-rock reaction process can be analyzed, control factors beneficial to formation and storage of under-salt dolomite pores are defined, and an analysis basis is provided for large-scale and efficient under-salt dolomite reservoir distribution and prediction.

The invention discloses a center hole out-of-roundness detection method of shaft parts. The method includes the following steps that a spare tip of a machine tool is transformed into a three-point tip for detection; the three-point tip is arranged on a machine tool headstock for grinding a workpiece to form a headstock three-point tip; the workpiece to be subjected to center hole out-of-roundness detection is hoisted to the machine tool to be clamped and the headstock three-point type tip and the workpiece are marked with marks through a marking pen; a machine tool button is jogged, a heart-shaped clamping and poking rod of the machine tool drives the workpiece to jog and rotate; the runout value A1 of the portion closest to the shaft neck of the headstock three-point type tip is measured; the steps mentioned above are repeated, then the machine tool button is jogged again to stop the workpiece from rotating, the workpiece is poked manually to rotate clockwise by about 90 degrees, 180 degrees and 270 degrees, and the runout value A2, the runout value A3 and the runout value A4 are recorded; and the Amax-Amin difference value serves as the center hole out-of-roundness judgment value. By the adoption of the center hole out-of-roundness detection method, the precise detection purpose of center hole out-of-roundness of the shaft parts can be well achieved, and the clear and operable control requirements can be met for control over center hole out-of-roundness.

The invention discloses a distributed flow control method for an Ethernet switch. The method comprises the following steps: a source switch sends certain flow to a forwarding switch so as to lead the forwarding switch to form congestion; the forwarding switch organizes destination addresses of flow passing through a congestion port into a control message, and sends the control message to the source switch; the source switch analyses the control message to excavate the destination addresses carried in the message, and stores the destination addresses in a destination address congestion table; the source switch determines whether a destination address of a flow to be sent is in the congestion table or not, if yes, the source switch firstly puts the flow to be sent into a sending buffer queue, and sends the flow to be sent after waiting for a predetermined time interval, and otherwise, the source switch sends the flow to be sent. The distributed flow control method for the Ethernet switch, provided by the invention, has the advantages that the efficiency of a flow control function of the Ethernet switch is improved, and the unnecessary whole switch interchangeability declining caused by the flow control can be avoided.

The invention provides a coordinated control method, a frequency converter, excitation equipment and a static variable frequency starting system. The static variable frequency starting system comprises the frequency converter, the excitation equipment, a monitoring system and synchronous grid-connected equipment. Coordinated control of the frequency converter and the excitation equipment can be realized, and different operation modes can be selected according to different operation conditions of the synchronous motor so that the operation mode is flexible, the operation range is wide and operation has high reliability. Before the first critical switching point of the synchronous motor, the frequency converter and the excitation equipment are independently controlled so that the interference of harmonic waves and other external clutters on the analog signals can be effectively reduced, the accuracy of excitation control can be enhanced and thus the success rate of commutation of the frequency converter in the pulse commutation phase can be enhanced. Besides, the control process is simple and clear, control is facilitated and the starting rate and the stability of the synchronous motor in the natural commutation phase can be enhanced.

The invention provides an integrated interactive system based on virtual reality and multi-source information fusion, which comprises an interactive device, electrocardiogram monitoring equipment anda server; the interactive device is connected with the server and is configured to provide a virtual scene and an interactive environment; the electrocardiogram monitoring equipment collects electrocardiogram data of a wearer and transmits the electrocardiogram data to the server. The server is configured to provide experience modes of interactive training games, audios and videos in a common environment and a VR environment, provide corresponding scenes for playing games or watching, achieve real-time monitoring of the physiological state of a user through electrocardio data in the training process, form a report, and determine the state of the user in each scene. More visual experience is achieved, higher cognitive fluency is achieved, and the training efficiency of the user can be improved.

The invention provides a manufacturing method of a plane wing-body fairing, comprising the steps of taking two, three or four quadratic curves as guide curves, wherein one guide curve is a lower boundary line and the tangent vector direction of the lower boundary line is designated to be vertical to a symmetrical face of the plane body; using sweeping rules of the quadratic curves to generate a whole curved profile of the plane wing-body fairing; using the plane body and a wing shape to perform tailoring, then obtaining a wing-body fairing profile; and according to the obtained wing-body fairing profile, manufacturing a plane-wing fairing by hot-press forming. The manufacturing method of the invention uses the quadratic curves to implement quick parametric design of the wing-body fairing profile. Compared with the common methods, the step of controlling section lines is obviated.

The invention relates to the technical field of PCR laboratories, in particular to a PCR laboratory with environmental barrier. The PCR laboratory with environmental barrier comprises a reagent preparation room, a sample preparation room, a proliferation room and a product analysis room arranged sequentially from left to right, wherein the wall body between the reagent preparation room and the sample preparation room is provided with a first transfer window; the wall body between the sample preparation room and the proliferation room is provided with a second transfer window; and the wall bodybetween the proliferation room and the product analysis room is provided with a third transfer window. The PCR laboratory with environmental barrier has the beneficial effects that the laboratory isan innovative achievement through many years of practice, research and summary; and the technology of the invention is mainly embodied in the following aspects: structural divisions are laid firstly in a scientific and reasonable technology; setting in a scientific and reasonable airflow pressure gradient direction is firstly carried out; a reasonable gate opening direction of each functional roomis firstly carried out; and a personnel flow and sample flow direction is firstly laid in a reasonable mode.

The invention provides a device and method for reading compact storage image data. The device comprises a reading control unit, a write row cache control unit, a row cache unit, a reading address jumping unit and a configuration information storage unit. The method comprises the steps of: configuring the configuration information storage unit, opening bit configuration of a circuit working switch, reading the address jumping unit, calculating a reading address of each reading action, and sending the reading address to the reading control unit; reading data of a word by the reading control unit, and sending the read data to the write row cache control unit; judging which part of the read data is written in the row cache unit by the write row cache control unit, and according to the judgment result, and writing all or part of the read data into the row cache unit according to the judgment result for the displaying of external images or the use of processing circuits; and circulating in such way until all the rows of the images are completely read. The device and method are used for controlling the reading of a compact image storage mode, and the control process is simple and effective.

The invention relates to a wrapping and hanging device with arch bridge suspenders convenient to replace. The wrapping and hanging device comprises a pair of wrapping and hanging mechanisms and a monitor mechanism. The monitor mechanism comprises a static strain collection instrument and a computer. The wrapping and hanging mechanisms comprise six supporting beams, four through jacks and two or more steel rods. A dial indicator arranged on each through jack and a strain gage pasted on each upper steel rod are connected with the static strain collection instrument through wires. An output port of the static strain collection instrument is communicated with the computer through a wire. In the use process, the two wrapping and hanging mechanisms are arranged at the positions, on the two sides of suspender components needing to be replaced, of an arch bridge; corresponding data are displayed by the computer through the static strain collection instrument; the control force of the two wrapping and hanging mechanisms is adjusted; the suspender components are replaced safely and conveniently. According to the wrapping and hanging device, operation is convenient, and difficulty and danger of high-altitude work are reduced; real-time monitor is facilitated, and control over force in the stretch-draw process is more accurate; data can verify one another in the replacement process through multivariable control, and the device is safer.

The present invention discloses a hydroelectric generating set work state algorithm facing centralized control. The algorithm comprises: collecting related devices and output data of the hydroelectric generating set; defining a plurality of states, and defining the judging logic of each state; determining the state of the hydroelectric generating set according to the collected data and the judging logic, and performing statistics of the state parameters of the hydroelectric generating set; and displaying the hydroelectric generating set state and the state parameters for users to perform real-time monitoring and control. According to the collection data detection set and the state of the hydroelectric generating set, the state parameters are subjected to statistics, the state and the state parameters are subjected to display, and the hydroelectric generating set is subjected to optimizing control; and moreover, compared to the traditional method, the hydroelectric generating set work state algorithm facing the centralized control can relieve the operators' workload so as to reduce the misoperation risk of the hydroelectric generating set and reach the purposes of centralized management and control, optimized dispatching and cost decreasing and benefit increasing.

The invention discloses an unsteady flow control system for a hydropower station downstream model test. The unsteady flow control system compiles a flow change process of unsteady flow into a data file corresponding to time flow, wherein a control terminal is used for continuously sending the corresponding flow to a frequency conversion module according to the time in the data file; the frequencyconversion module is used for converting the flow into water pump motor frequency and sending the water pump motor frequency to a frequency converter; and the water pump motor frequency is controlledthrough the frequency converter, so that a water pump conveys water from an underground reservoir to a model forebay according to the flow change process of the unsteady flow compiled in the data file; an electric valve is arranged between the model forebay and a model downstream river channel, and the control terminal controls the opening degree of the electric valve according to the real-time flow fed back by an electromagnetic flowmeter and the real-time water level of the model forebay, so that the unsteady flow is controlled again. The unsteady flow control system is high in response speed and control precision, and the unsteady flow process of flow discharge of a power station can be accurately simulated and completely automatically controlled.

The invention discloses a high-voltage capacitor charging device based on super-capacitor cascading. A high-voltage end of a super-capacitor bank cascading system (2) is in series connection with a current-limiting inductor (3), and then is connected with a first input end of an automatic switching circuit (4). Two leading-out ends of each unit in the super-capacitor bank cascading system (2) are connected with an input end of a switching controller (1). A second input end of the automatic switching circuit (4) is connected with the positive electrode of a switching circuit current source (6). The output end of the automatic switching circuit (4) is connected with a high-voltage end of a high-voltage capacitor (5). A low-voltage end of the high-voltage capacitor (5) is grounded through a current measuring coil (8). A voltage input positive end of a measurement and sampling circuit (7) is connected with the output end of the automatic switching circuit (4). A current input end of the measurement and sampling circuit (7) is connected with the current measuring coil (8). The output end of the measurement and sampling circuit (7) is connected with the switching controller.

The invention relates to an energy saving fuzzy-control device and an energy saving fuzzy-control method for an intelligent refrigerator. A compressor is connected with a solenoid valve I through a condensing tube, a dew-removing tube and a drying filter sequentially. The solenoid valve I is connected with a solenoid valve II, a first-chamber capillary tube and a first-chamber evaporator; the solenoid valve II is connected with a second-chamber capillary tube, a second-chamber evaporator and a third-chamber capillary tube respectively; the first-chamber evaporator, the second-chamber evaporator and the third-chamber capillary tube are connected in parallel and then connected in series with the third-chamber evaporator. The energy saving fuzzy-control method includes creating fuzzy coefficient, building the relation among the three independent chambers under control of an MCU (microprogrammed control unit) according to a fuzzy function expression, refrigerating the three chambers until reaching the power-off temperature by means of one-step on and off of the compressor, and gradually controlling the temperature of each chamber to be in the set-temperature difference interval along the on and off cycle. The fuzzy-control method has the advantages that real-time quick judgment is made, uncertainties such as ambient temperature variation or refrigerator door opening/closing frequency are taken into consideration, control processing is simple, start times of the compressor is reduced, and further power consumption and noise are reduced and service lives of the compressor and an electronic control panel are prolonged.