15results about How to "Reduce Control Latency" patented technology

The invention discloses an energy-saving ground source heat pump control method and system, and the method comprises the steps: building a ground source heat pump system dynamic model which comprises an indoor heat balance model, a ground source heat pump unit model and a soil heat exchange model, obtaining a topological network through coupling, designing a distributed control and fault-tolerant operation strategy according to the topological network structure, and carrying out the control of the ground source heat pump system. Each node is locally controlled according to the position and adjacent node information, a state space model is constructed, an optimal control action sequence is solved through quadratic programming to balance energy consumption and an indoor and outdoor temperature deviation objective function, the optimal operation state is obtained, and the mapping relation between the optimal operation state and environment parameters is learned through a neural network; a ground source circulation flow control algorithm is designed, and circulation pump flow distribution and unit working parameter automatic adjustment are achieved. According to the method, the control precision and stability of the ground source heat pump system can be effectively improved, reliable operation of the ground source heat pump system under complex working conditions is ensured, the energy utilization efficiency is remarkably improved, energy conservation and consumption reduction are achieved, and meanwhile good interpretability is achieved.

An anchoring buoy system connected with an underwater vehicle comprises an anchoring buoy and a connecting device, the anchoring buoy comprises a buoy body and a gravity anchor, the buoy body floats on the water surface and is connected with the connecting device located underwater, and a power generation device is installed on the buoy body; the power generation device comprises a solar generator, is electrically connected with the connection device and is used for charging the connection device; the gravity anchor falls on a ground bed at the water bottom and is connected with the buoy body through the fixing cable; a device body of the connection device is provided with a fixed connection unit and a movable connection unit. The anchoring buoy system for connecting the underwater vehicle is located at the position of the upper layer of a water body, in the energy charging process, the path is short, energy consumption is low, damage is not likely to happen, the requirement for the terrain in arrangement is low, signal transmission is good, control delay is small, and the diversity of connecting modes is improved.

The invention relates to a virtual reality technology-based humanoid robot remote control system and method, the system comprises a VR device and a humanoid robot, and the VR device comprises a head-mounted device, a hand device, a visual information sampling unit, a hand device sampling unit and a visual information imaging unit; the humanoid robot comprises a robot system communication unit, a robot system planning control unit, a visual sensor and a joint motor execution unit. The technical problems that existing robot control mainly depends on field teaching operation of workers, so that the mechanical arm control threshold is high, and the field limitation is large are solved, and the beneficial effects of being low in threshold, high in interactivity, low in delay, high in safety, high in flexibility and the like are achieved.

This invention discloses a method for enhancing and controlling the radiation of an LPP-EUV light source based on dual-pulse spatiotemporal co-constraint, belonging to the field of semiconductor manufacturing technology. This invention obtains a spatiotemporal reference by real-time monitoring of a liquid metal droplet, uses a pre-pulse laser to induce target material deformation into a fogged target cloud, and combines high-speed imaging and a hydrodynamic model to predict the time and coordinates of the target cloud's energy absorption peak. It dynamically adjusts the delay time and optical axis direction of the main pulse laser to achieve dual-pulse spatiotemporal co-constraint, and constructs a closed-loop control system through a recursive least squares algorithm with a dynamic forgetting factor. This invention effectively improves the extreme ultraviolet light conversion efficiency, controls the power fluctuation of the light source within ±0.5%, and extends the maintenance cycle of optical components by 2 times. It can be widely applied to next-generation high-power extreme ultraviolet lithography light source systems, meeting the application requirements of semiconductor miniaturization processes.

The invention discloses a vacuum pump cooling control system and method based on data analysis, and belongs to the technical field of vacuum pump cooling. The system comprises a control module, a data acquisition module, a database, a model analysis module, an intelligent calculation module, an intelligent adjustment module and an interaction module. The control module is used for controlling the vacuum pump and the cooling device; the data acquisition module is used for acquiring parameter data of the vacuum pump and acquiring operation data in the operation process of the vacuum pump; the database is used for storing historical data; the model analysis module is used for establishing a vacuum pump temperature analysis model and fitting a curve of a vacuum pump cooling effect under different cooling liquid flows and temperature differences; the intelligent calculation module is used for calculating the cooling liquid flow needing to be adjusted in the cooling device at the next moment; the intelligent adjusting module is used for dynamically adjusting the flow of the cooling liquid; and the interaction module is used for providing a man-machine interaction platform and performing digital display.

The invention discloses an equipment state control method and device, a storage medium and an electronic device, and relates to the technical field of smart home, and the equipment state control method comprises the steps: determining the state information of target equipment under the condition that a multi-control switch receives a switch control instruction sent by a target object; based on the obtained state information and a pre-stored target switch address of the load switch, a corresponding equipment control instruction can be generated. And sending the generated equipment control instruction to a load switch to indicate the load switch to control the state of the target equipment based on the received equipment control instruction. The intermediate link of the gateway is removed, so that the data transmission level is reduced by direct communication, the control delay is obviously reduced, the almost instant response is realized, and the overall efficiency is improved.

The invention provides a method for improving speed control precision by optimizing an FOC algorithm, and relates to the technical field of motor control, and the method comprises the following steps: S1, obtaining a speed PI controller and a magnetic flux PI controller in the FOC algorithm; s2, the speed ring PI controller calculates and outputs Uq through the target speed given value and the angular speed; s3, the flux PI controller calculates and outputs Ud through the flux weakening given value and the feedback value; and S4, after the Uq and the Ud are subjected to PARK inverse transformation, the Uq and the Ud are input to CLARK inverse transformation or SVPWM, a control signal is modulated and output through a microcontroller, and a three-phase motor is driven to operate. According to the method, on the basis of a traditional FOC algorithm, calculation of a current loop Iq is removed, and Uq is directly calculated and output through a speed loop PI, so that the influence of current sampling interference on speed control precision can be effectively avoided, the calculation time of the current loop is effectively shortened, the system control delay is reduced, and the motor operation stability is improved.

The motor-driven powder molding machine according to the present disclosure molds powder using an upper mold and a lower mold, and includes: in each of the upper mold and the lower mold, a main plunger for operating the upper mold or the lower mold through a main shaft; an auxiliary plunger for operating the upper mold or the lower mold synchronously with the main plunger through an auxiliary shaft; and a pressure detector for detecting the pressure in the axial direction in at least one of the main plunger and the auxiliary plunger. The motor-driven powder molding machine also includes a controller for controlling the operating speed of the upper mold and the lower mold through at least one of the main plunger and the auxiliary plunger based on the detected pressure so that the pressure falls within a predetermined range.

The invention discloses a control method of household equipment, and belongs to the technical field of communication protocol control. The method comprises the following steps: acquiring control requests of a user for a plurality of home devices and environment states of a plurality of communication protocols; determining device priorities of the plurality of household devices according to the control requests of the plurality of household devices, and determining communication protocols supported by the plurality of household devices; determining protocol priorities of the plurality of communication protocols according to the environment states of the plurality of communication protocols; determining a target communication protocol corresponding to the plurality of home devices according to the communication protocols supported by the plurality of home devices and the protocol priorities of the plurality of communication protocols; according to the method and the device, the control instruction is sequentially sent to the plurality of home devices through the target communication protocols corresponding to the plurality of home devices according to the device priorities of the plurality of home devices, so that the plurality of home devices supporting different communication protocols can be managed at the same time, and the multi-device concurrency control efficiency and the user experience are remarkably improved while high reliability is ensured.

The present invention discloses a high-speed and high-precision multi-axis parallel control system for electromechanical servo, which specifically relates to the field of multi-axis parallel control systems. It is used to solve the problem of asynchronous feedback gain mismatch in multi-axis parallel control systems by integrating four core units: feedback monitoring, coupling analysis, gain adjustment, and priority allocation. First, the synchronization of feedback data of each axis is monitored in real time, and potential synchronization problems are identified and quantified in a timely manner. Subsequently, an accurate gain mismatch warning index is generated through coupling analysis to guide the system to perform adaptive dynamic gain adjustment to ensure that the gain parameters are highly matched with the actual operating status of each axis. Finally, by optimizing the allocation of control priorities, the coordinated and efficient operation of the multi-axis system in a complex dynamic environment is achieved. The invention significantly improves the stability, response speed, and resource utilization efficiency of the multi-axis collaborative control system, ensuring the reliability and accuracy of the system under variable operating conditions.

The present invention relates to a method and system for collaborative information interaction between a three-degree-of-freedom mechanism and an AR device, and belongs to the technical field of information interaction of AR devices. The present invention obtains the optimized collaborative information interaction network by configuring and optimizing the data transmission volume of the collaborative information interaction network, thereby obtaining the real-time scene information of each AR device, and performing scene recognition on the real-time scene information of the AR device to obtain the preset scene recognition result, and finally generates the control logic of each three-degree-of-freedom mechanism according to the preset scene recognition result, and controls each three-degree-of-freedom mechanism by transmitting information based on the control logic of the three-degree-of-freedom mechanism through the optimized collaborative information interaction network. The present invention optimizes the collaborative information interaction network to maintain the timeliness of information interaction, reduce the control delay between the three-degree-of-freedom mechanism and the AR device, and can make timely responses according to the AR scene, so that the user's immersive experience is stronger.

The present invention provides a flight envelope protection method for an unmanned aerial vehicle, comprising the following steps: determining the flight dynamics equation of the restriction parameters of the unmanned aerial vehicle under dynamic balance conditions; determining the critical control margin vector of the restriction parameters under dynamic balance according to the flight equation; determining the control law of the control system according to the critical control margin, wherein the basic principle of the control law is: providing the system with negative feedback inversely proportional to the 2-norm of the control margin vector of the boundary, so that when the aircraft approaches the flight envelope, the control input gradually decreases. The present invention can ensure that the restriction parameters of the aircraft do not exceed the restriction boundary within the entire flight envelope, thereby effectively improving the safety and reliability of the flight.

This application relates to a gripping device, gripping control method, electronic device, storage medium, and product. The gripping device collects bioelectrical signals of the object being gripped by the device through an electrical signal detection component. The gripping device adjusts the torque of the gripping device on the object by means of the bioelectrical signals. This can reduce the control delay of the gripper when the object being gripped experiences a sudden situation, thereby improving the response speed to sudden situations of the object being gripped.

The utility model provides a kind of fluid control structure, it is related to automation control technical field, the fluid control structure includes: fluid mixing structure, first cavity and second cavity are formed in it, first flow inlet, second flow inlet and flow outlet are additionally provided on it and protrude outward;First flow inlet is communicated with first cavity, second flow inlet and flow outlet are all communicated with second cavity;First flow inlet is used to input gas phase fluid to first cavity;Second flow inlet is used to input liquid phase fluid to second cavity;Flow outlet is used to output at least one in second cavity: gas phase fluid, liquid phase fluid, mixed fluid;First control structure is used to close or open the output port of first cavity, and first control structure is connected with fluid mixing structure;Second is used to close or open the second flow inlet.The utility model scheme saves installation space, reduces connecting piece and easy leakage point, and reduces the control delay of fluid on-off or mixing.

The invention discloses a magnetic suspension bearing suspension force and zero sequence current decoupling control system, particularly relates to the technical field of magnetic suspension, and comprises a four-bridge-arm inverter module, a double closed-loop control unit, a multi-source sensing acquisition module, a power driving module and a magnetic suspension bearing body. According to the decoupling control system for the suspension force and the zero-sequence current of the magnetic suspension bearing, the fourth bridge arm connected with the neutral point of the three-phase winding is additionally arranged, an independent zero-sequence current loop is constructed, and zero-sequence current closed-loop control based on the alpha-beta O coordinate system is matched, so that the suspension force and the zero-sequence current of the magnetic suspension bearing are decoupled. Zero-sequence current generated by three-phase imbalance, parameter asymmetry and magnetic field distortion in a traditional three-phase inverter architecture can be pertinently dredged and suppressed; and the fourth bridge arm adopts a SiCMOSFET power switch device and fly-wheel diode combined design, so that a compensation instruction can be quickly responded, winding current distortion caused by superposition of zero-sequence current to working current is avoided, and a linear control relationship between suspension force and current is guaranteed.