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16results about How to "Improve real-time control" patented technology

Underground DAS signal processing and production profile interpretation method

The invention provides an underground DAS signal processing and production profile interpretation method, and belongs to the field of oil and gas field development engineering. The method mainly comprises two parts of signal processing and output profile interpretation, wherein the signal processing comprises signal noise reduction, signal windowing segmentation, Fourier transform, filtering, feature extraction, analysis of different water contents and statistics of feature frequency bands along a shaft under different flows; the method comprises the following steps: performing f-k transformation on underground DAS signal data, calculating a transformed image by using Rawinter integral, calculating an uplink sound velocity and a downlink sound velocity, thereby obtaining a sound velocity and a liquid production velocity in a shaft, calculating the water content of produced liquid, performing frequency division on underground DAS signals according to the water content of the produced liquid, calculating FBE of a corresponding water content frequency band along the shaft direction, accumulating the FBE, and calculating the water content of the underground DAS signals according to the accumulated FBE. And calculating the proportion of the FBE accumulated sum of each production section, and calculating the flow of each production section according to the total flow of the wellhead.
Owner:CNOOC ENERGY TECHNOLOGY & SERVICES LTD

Networked robot control system and control method

The invention discloses a networked robot control system and control method, the networked robot control system comprises an upper computer, a bus and a plurality of single drive control units, the plurality of single drive control units are connected with a plurality of soft robots in a one-to-one correspondence manner, the plurality of single drive control units are connected through the bus, and the bus is connected with the upper computer; each single driving control unit comprises a communication master station, a first communication slave station, a second communication slave station and a multi-channel mixing valve, the first communication slave station and the second communication slave station are respectively connected with the communication master station, the second communication slave station is connected with the multi-channel mixing valve, and the types of the first communication slave station and the second communication slave station are different. According to the invention, accurate air pressure can be output and synchronous driving can be carried out, so that the efficiency can be improved, the cost can be reduced, and real-time control and sensing of the soft robot can be enhanced.
Owner:SHENZHEN UNIV

Vehicle starting control method and device, vehicle and medium

PendingCN121973783AImprove driving experienceImprove real-time controlRoad surfaceSelf adaptive
The invention relates to the technical field of vehicle control, and discloses a vehicle starting control method and device, a vehicle and a medium, and the method comprises the following steps: in response to starting operation of the vehicle in an automatic parking state, adjusting parking release control parameters according to current road surface information and vehicle parameters; and releasing the automatic parking state according to the adjusted parking release control parameter. The parking release control parameters are dynamically adjusted according to real-time road surface information and vehicle parameters through a dynamic and self-adaptive parameter adjusting mechanism, the limitation of traditional fixed calibration is eliminated, different road conditions and vehicle states can be adapted, the vehicle starting quality in the automatic parking state is remarkably improved, and the vehicle starting speed is increased. And fixed parameters under the automatic parking function can be continuously optimized, so that the method adapts to individual manufacturing differences of different vehicles, starting abnormities such as slope sliding, dragging and vehicle channeling of the vehicles can be effectively avoided, the safety and smoothness of vehicle starting are improved, and meanwhile the user driving experience and the vehicle intelligent control level are greatly improved.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Parallel tail end multi-degree-of-freedom mechanical arm

The utility model discloses a parallel tail end multi-degree-of-freedom mechanical arm which comprises two groups of branch chains which are symmetrically arranged and fixed at two ends of a platform, each group of branch chains comprises a base, a first motor and a second motor are respectively arranged on two sides of the base, the first motor is connected with a first short connecting rod through a rocker arm, and the second motor is connected with a middle supporting piece. One end of the supporting piece is hung below the base through a support, the other end of the supporting piece is movably connected with the middle of the first long connecting rod, one end of the first long connecting rod is connected with the first short connecting rod, and the other end of the first long connecting rod is movably connected with the tail end platform. The other end of the second long connecting rod is movably connected with the tail end platform. According to the mechanical arm, the multi-degree-of-freedom parallel mechanical arm of the end effector can be achieved, and the problems that an existing parallel mechanical arm is complex in structure and high in control coupling degree, the degree of freedom of the end effector is limited, and installation and maintenance are difficult are solved.
Owner:TONGJI UNIV

Mechanical arm speed control method and device, computer device and storage medium

ActiveCN116277016BRapid responseGood surgical control feedback
The application relates to the field of mechanical arm control, and discloses a mechanical arm speed control method and device, computer equipment and a storage medium, the method comprising the following steps: acquiring an actual position of a robot end flange at a current moment, and acquiring a desired position of the end flange of the mechanical arm at a next moment according to path planning of the mechanical arm; calculating a control speed of the mechanical arm at the current moment according to the actual position, the desired position and a preset trajectory tracking model; performing inverse Jacobian transformation on the control speed to obtain corresponding motor output force, and performing corresponding control according to the motor output force. The movement of the mechanical arm can be controlled in a speed control mode, the control speed and real-time performance are improved, and control errors are reduced.
Owner:LANCET ROBOTICS CO LTD

Freight train long and large downhill cyclic braking method and device and medium

The invention discloses a freight train long and large downhill circular braking method and device and a medium, and the method comprises the specific steps: determining a long and large downhill section, and determining the safety limiting speed of a train; determining the starting point of the braking interval and the entrance speed of the starting point, and determining the condition that the train leaves the braking interval after braking is cancelled; according to the starting point of the braking interval and the entrance speed of the starting point, the braking starting moment of the train is determined, and the train is braked at the braking starting moment; judging whether the speed of the braked train meets the running speed requirement of the train or not; when the train speed meets the train running speed requirement, whether the train speed meets the condition that braking is cancelled and the train runs out of the braking section or not is judged; when the speed of the train does not meet the condition that the train runs out of the braking section after braking is cancelled, whether the train needs to be braked or cancelled is judged according to the safety limiting speed; and the judgment process of the train speed is repeated until the train speed meets the condition that the train runs out of the braking section after braking is cancelled.
Owner:CASCO SIGNAL LTD

Diesel generator test system control method based on moving average filter

The invention relates to the technical field of power electronics, in particular to a diesel generator test system control method based on a moving average filter, and the method comprises the steps: collecting an output voltage instantaneous value of a diesel generator in real time, and obtaining a voltage sampling sequence; inputting the voltage sampling sequence into a pre-constructed moving average filter; performing moving average processing on the input voltage sampling sequence through a moving average filter to obtain an output signal; generating a current command signal based on an output signal of the moving average filter; and according to the current instruction signal, driving the diesel generator test system to simulate a load with a specific power factor through current closed-loop control, and carrying out load simulation test on the diesel generator. The moving average filter is directly used for generating a current instruction of the test system, and the lag angle of the current instruction is linearly adjusted by adjusting the point number of the filter through the linear phase-frequency characteristic of the filter, so that the accurate and convenient control of the simulation load power factor of the diesel generator test system is realized.
Owner:SHANDONG HOTEAM ELECTRICAL +1

Defect detection method and system for mobile phone electronic components

The present invention relates to the field of quality control technology, specifically to a defect detection method and system for mobile phone electronic components, comprising the following steps: based on the mobile phone circuit design requirements, selecting a current source and a control element, setting the current size and injection frequency of the electronic components, adjusting the circuit parameters to reach a preset standard, and obtaining the current injection configuration. In the present invention, by forming a continuous data sequence and optimizing the real-time processing and analysis of data, not only the defect recognition speed is improved, but also the data accuracy in the detection process is enhanced, subtle defects can be identified in the early stage, and costly post-processing can be avoided. By combining thermal imaging technology, the defect position can be accurately located through hot spot analysis, so that subsequent repair measures are more targeted, the rework rate is reduced, production efficiency and product quality are improved, the intelligent level of the production process of mobile phone electronic components is improved, and the real-time control and defect detection capabilities of the production line are enhanced.
Owner:深圳博尚精密制造有限公司

High-place operation safety state monitoring device

The invention discloses a high-altitude operation safety state monitoring device, and relates to the technical field of high-altitude operation, the inner side of a fixed support frame is rotatably connected with a hollow rotating rod, one end of the hollow rotating rod is provided with a clamping gear, one end of the fixed support frame is rotatably connected with a reciprocating screw rod in a penetrating manner, and the side end of the reciprocating screw rod is provided with a multi-tooth inserting and clamping block through a screw rod seat; according to the safety rope pressing device, pressing adjustment is carried out through the dead weight of a safety rope and the dead weight of a worker, the tightness of the safety rope is monitored and processed in real time in cooperation with reciprocating pushing limitation of a spring, and the safety rope pressing device has the advantages that the safety rope pressing device is simple in structure, convenient to operate and high in practicability. By means of the safety rope control device, a worker can conveniently know the state of the safety rope in real time in the using process, real-time control over the safety rope by the worker is improved, the safety rope control convenience is improved, and the safety coefficient of the worker in the working process is guaranteed.
Owner:NANJING FOREST POLICE COLLEGE

Actuating unit excited bearing rotor position and attitude prediction and calculation method

The invention relates to an actuating unit excited bearing rotor position and attitude prediction and calculation method, which is characterized in that gas film mechanics numerical solution is taken as a physical basis, a prediction model is constructed in combination with a multi-input multi-output neural network, and the precision of the prediction model is verified on a test set by using indexes such as multiple correlation coefficients and the like. According to the method, the parameters of the actuating unit can be quickly predicted and reversely solved, so that the rotor position attitude is quickly and reversely solved, the active regulation and control of the rotor position attitude are realized by changing the excitation parameters of the actuating unit and dynamically adjusting the distribution of a gas film pressure field, the time delay can be remarkably reduced, and the control real-time performance and stability are improved; moreover, the method can cover various bearings and different actuation excitation modes, gives consideration to the solving speed, the application range and the convenience, and is higher in practical value.
Owner:LUOYANG BEARING RES INST CO LTD

Wearable blood pressure measuring device

The invention relates to the field of medical apparatus and instruments, and discloses a wearable blood pressure measuring device which comprises a watchcase serving as a protective shell and used for bearing main fine components; the watchband is mounted on two sides of the watchcase and is used for assisting the watchcase in binding; the connecting buckle is arranged between the watchbands and is used for buckling fracture positions between the watchbands; the pressure sensor is arranged on the inner surface of the watchband and is used for measuring a blood pressure value of a target artery through flattening scanning; and the micro air pump is arranged in the watchband and is used for inflating the watchband so that the watchband is expanded to push the pressure sensor to be better attached to the watchband. Through the cooperation of the elastic changeable watchband, the air pump and the pressure sensor, the device can be conveniently worn, the blood pressure can be measured in time, meanwhile, a user or family members can set fixed-point measurement time for the device through the cooperation of the PLC module, data can be shared to the family members through the transmission module, and the device is convenient to use. Therefore, the timeliness of the data is ensured.
Owner:THE AFFILIATED HOSPITAL OF SHANDONG UNIV OF TCM

Large-flow circular shuttle vehicle dynamic control method based on closed three-branch grid framework

The invention discloses a large-flow circular shuttle vehicle dynamic control method based on a closed three-branch grid framework, which comprises the following steps: establishing a road three-branch grid model of a circular shuttle vehicle, the model comprises a shunting turnout and a converging turnout which are respectively provided with three line segments, and the shunting turnout and the converging turnout are used for representing a fork; the line segment represents a channel of the circular shuttle vehicle; based on a three-branch grid model, the method for dynamically managing the shuttle vehicle through a control system comprises the steps that a main control unit distributes a control unit of an area to which the shuttle vehicle belongs and a current line segment to the shuttle vehicle in real time according to the destination of the shuttle vehicle and the current real-time traffic condition; the area control unit calculates the maximum limiting speed of the vehicle according to a nearest distance dynamic algorithm based on the vehicle task target position, the line segment end point and the front vehicle distance; and when the distance between the front vehicle and the vehicle is suddenly changed, the vehicle control unit performs amplitude limiting and compensation on the suddenly changed original control speed of the vehicle in the line segment according to a natural constant exponentiation speed curve control method, so that the running efficiency and the stability of the shuttle vehicle are improved.
Owner:KUNMING KSEC LOGISTIC INFORMATION IND

Adaptive wave disturbance control method for unmanned ships based on digital twin

The present invention provides an adaptive wave interference control method for unmanned ships based on digital twins. Wave information is acquired in real time through sensors, the main frequencies are extracted by frequency domain analysis, and the LSTM model is used to predict the future wave state by combining the filtered signal and physical characteristics. The speed and heading of the unmanned ship are adjusted in real time through the ROS node to dynamically respond to changes in wave height, speed and direction to ensure stable navigation. A high-dimensional Kalman filter is used to realize virtual-real synchronous feedback and correct the control strategy. The system includes wave information acquisition, data processing and prediction, control decision-making, and feedback and optimization modules to ensure the stable navigation of the unmanned ship in a wave mutation environment.
Owner:SHANDONG UNIV OF SCI & TECH +1

Humidity monitoring control system and monitoring control method based on industrial computer

The invention provides a humidity monitoring control system and method based on an industrial computer, and the method comprises the steps: detecting a temperature value in the industrial computer in real time through a first temperature module, and taking the temperature value as a first measurement value; the measured first measurement value is compared with a preset temperature threshold value, and when the temperature value exceeds the threshold value, the system starts the cooling and dehumidifying module. The cooling and dehumidifying module starts to suck external air and carries out cooling and dehumidifying treatment, the treated air is blown into the installation space, the internal temperature is reduced, meanwhile, moisture is reduced, and it is ensured that internal electronic elements operate in the optimal working environment through temperature and humidity control. And through the cooling and dehumidifying module, the problems of short circuit and corrosion caused by moisture entering in the heat dissipation process of a traditional industrial computer are effectively avoided, and the reliability of equipment in a humid environment is enhanced. Temperature and humidity are monitored in real time, cooling and dehumidification are automatically controlled, long-time stable work of equipment is ensured, and the service life of an industrial computer is prolonged.
Owner:SHENZHEN NANRONG INTELLIGENT TECHNOLOGY CO LTD

Interaction control method and system of electromechanical equipment

The invention relates to the technical field of interaction control methods, in particular to an interaction control method and system for electromechanical equipment, and the method comprises the steps that a server obtains a first control request containing a first control instruction, and then the server sends the first control instruction and an execution request to first electromechanical equipment and second electromechanical equipment; the server obtains first execution feedback returned by the first electromechanical device and second execution feedback returned by the second electromechanical device; the first electromechanical device and the second electromechanical device determine an executor according to respective preset priorities, current load states and a control object of the first control instruction; the executor executes a corresponding instruction according to the first control instruction and returns an execution result to the server; the server broadcasts the execution result to the first electromechanical device and the second electromechanical device to achieve state synchronization, autonomy and collaboration of the devices are brought into full play, and timeliness and accuracy of a control decision are improved while the load of the center node is reduced.
Owner:LONGYAN LIRONG ELECTRONIC TECH CO LTD

Closed chain leg mechanism of walking robot and foot end track control method of closed chain leg mechanism

The invention discloses a closed chain leg mechanism of a walking robot and a foot end track control method of the closed chain leg mechanism, and relates to the technical field of robots, the leg mechanism comprises a first third pair of components, a second third pair of components, a third third pair of components, a first second pair of components, a second second pair of components, a third second pair of components, a fourth second pair of components and a fifth second pair of components, the first three-pair component is used as a body of the robot, and the fifth two-pair component is used as a foot of the robot; and the foot end p of the fifth secondary component is a free end and is in contact with the ground. The invention further provides a foot end track control method of the walking robot, predetermined walking movement can be achieved only through 360-circle rotation of one driving link, and control is easy and convenient; the robot leg mechanism comprises a composite hinge, kinematics analysis of the mechanism is facilitated, the occupied space of the leg structure is reduced, the structure is compact, and the size, weight and manufacturing cost of the robot leg mechanism are reduced. The walking movement requirements of the legs of the robot are met, and the excellent comprehensive performance is achieved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)