10results about How to "Solve control problems" patented technology

A multi-stage adsorption synergistic dust control system for silicon carbide laser processing includes a suction hood, a vibrating grid module, a porous laminar flow adsorption module, a boiling water mist module, a condensation pipe, a mixing condensation module, a drying module, and a fan, arranged sequentially and connected along the airflow direction. The vibrating grid module includes an alloy grid and a vibration device. The porous laminar flow adsorption module includes an adsorption layer disposed in the airflow channel. The boiling water mist module includes an adsorption chamber and a water mist generator to form boiling water mist to capture dust in the airflow. The condensation pipe performs preliminary condensation of the airflow to capture dust. The mixing condensation module includes an inclined condensation channel that utilizes dust in the airflow as condensation nuclei to remove dust. The inner wall of the condensation channel is alternately arranged with superhydrophilic and superhydrophobic regions. This invention can achieve stepwise dust removal from the micron to the nanometer scale, with a capture efficiency of up to 99.9%, low overall energy consumption, and recyclable materials.

The invention discloses a vehicle automatic air conditioner comfort calibration method, a storage medium and electronic equipment, and the method comprises the steps: obtaining evaporator-external temperature compensation tables corresponding to a plurality of external temperatures under a reference environment condition, and based on the evaporator-external temperature compensation table, static target parameter tables corresponding to the reference air conditioner set values under the multiple external temperatures are established, dynamic compensation is conducted on the static target parameter tables, at least one compensation scale set corresponding to the influence factor set is generated, and the air conditioner system is precisely adjusted in different environments and modes. Static target models are established in a plurality of temperature areas, and a dynamic compensation mechanism is introduced, so that the control problem caused by lack of an air outlet temperature sensor of an existing automatic air conditioner is solved, the influence of temperature disturbance of an evaporator, a warm air core and the outside can be effectively counteracted, the temperature of a system can be quickly close to the target temperature in the refrigerating and heating processes, and the system reliability is improved. The comfort of the head area and the whole cabin is improved, the adjusting frequency of a driver is reduced, and the driving concentration degree is improved.

This invention discloses a radio counter-jamming method and apparatus for unmanned aerial vehicle (UAV) security defense, relating to the field of radio counter-jamming. The method includes: constructing a UAV communication frequency band database and an interference source feature database; collecting spectrum data in the airspace to establish an airspace electromagnetic signal dataset; constructing an electromagnetic signal feature extraction model to obtain the time-domain features, frequency-hopping features, and modulation mode features of the electromagnetic signals; constructing an interference source identification model to eliminate electromagnetic signals from interference sources in the airspace electromagnetic signal dataset; constructing a UAV frequency band identification probability model to determine the probability that a frequency band in the airspace electromagnetic signal data belongs to the UAV communication frequency band; suppressing UAV communication signals using a radio counter-jamming device; comprehensively evaluating the radio counter-jamming effect and updating the database synchronously. The advantages of this invention are: it can effectively identify UAV frequency bands and eliminate interfering electromagnetic signals, and use a radio counter-jamming device to suppress UAV communication signals, ensuring the safety of the airspace.

The application relates to an automatic driving multitask coordination decision-making method based on hierarchical rolling optimization. The automatic driving vehicle environment state information is used as the input of a reinforcement learning decision-making framework, the driving target is planned as the connection of multiple driving tasks, the coordination among the multiple tasks is realized, each driving task is specifically realized as a control action, and only the control action of the first driving task is executed. Then, rolling forward to the next time step, based on the updated automatic driving vehicle environment state information, planning and control action execution are carried out again. The planning is repeatedly carried out, and rolling optimization decision-making is realized. The method can realize multitask coordination and is suitable for long-term decision-making of automatic driving in a complex driving scene.

The application provides a rotor floating control method, device, storage medium and magnetic suspension bearing system. The method comprises the following steps: controlling rotor floating of the magnetic suspension bearing based on a determined center floating reference position; if the rotor floating fails, controlling rotor floating of the magnetic suspension bearing according to a first set floating direction based on the center floating reference position; wherein the first set floating direction is a set direction offset relative to the center floating reference position when the rotor floating. The scheme provided by the application can solve the problem that the current loop and displacement loop errors affect bearing control due to product structure, process and magnetic steel demagnetization.

A method and apparatus for determining the clearance value of a wind turbine generator set are disclosed. The method includes: obtaining the current distance measurement value of the wind turbine generator set, wherein the current distance measurement value is the distance between the emission point of the measurement line emitted by the distance measuring device installed at the bottom of the nacelle and a predetermined point on the vertically downward blade, and the predetermined point is the first intersection point of the measurement line and the vertically downward blade; and determining the clearance value corresponding to the current distance measurement value based on the current distance measurement value and the correspondence between the distance measurement value and the clearance value.

The invention relates to the field of air-tight doors, and discloses a side-hung air-tight door which comprises a door frame body, a door body, a locking assembly and a driving assembly. The locking assembly comprises a locking part and a matching part, and the locking end of the locking part is inserted into the matching part to achieve locking of the door frame body and the door body. The driving assembly comprises a first motor, a hand wheel, a first transmission rod, a second transmission rod and a connecting sub-assembly, a fixing part of the first motor is fixedly mounted on the door body, the power output end of the first motor is in transmission connection with the first transmission rod, and the mounting end of the hand wheel is fixedly mounted on the second transmission rod; the first transmission rod and the second transmission rod are in detachable transmission connection through the connecting sub-assembly, and the first transmission rod is driven by the first motor or the second transmission rod to drive the locking end of the locking part to be inserted into the matching part. The air-tight door can quickly start manual operation under the condition of power failure, so that the problem that opening and closing of a flat-opening type air-tight door in the prior art depend on external power supply control is solved.

The utility model discloses a micro-fluidic chip, which belongs to the technical field of medical instruments and comprises an upper cover and a separation container, the upper cover is mounted on the separation container, a sealing layer is arranged at the top of the separation container, the bottom of the upper cover is abutted against the sealing layer, an inner cavity is defined by the upper cover and the sealing layer, a separation chip group is mounted in the inner cavity, and the separation chip group is mounted on the separation container. The top of the separation chip set abuts against the top of the upper cover, the bottom of the separation chip set abuts against the sealing layer, the separation chip set comprises multiple layers of separation chips, and the separation chips are used for separating blood cells in blood from PRP-enriched plasma. The problem that the position of a boundary layer is difficult to judge and control due to the fact that the thickness of the boundary layer of the plasma and red blood cells after blood centrifugal layering is small is solved, and the platelet-rich plasma which is stable in PRP enrichment multiple, large in amount of collected PRP and small in red blood cell residue is finally prepared.

The application discloses a kind of closed cooling water full-automatic ammonia adding device and method, device includes: PLC controller and liquid ammonia steel bottle, liquid ammonia steel bottle is communicated with closed cooling water pipeline by liquid ammonia steel bottle pipeline;Liquid ammonia steel bottle pipeline is sequentially provided with ammonia gas pressure reducing valve inlet pressure gauge, ammonia gas pressure regulating valve, ammonia gas pressure reducing valve outlet pressure gauge, ammonia gas electric regulating valve;Closed cooling water pipeline is provided with electric conductivity sensor;PLC controller is connected ammonia gas pressure reducing valve, ammonia gas pressure reducing valve inlet pressure gauge, ammonia gas pressure reducing valve outlet pressure gauge, ammonia gas electric regulating valve, electric conductivity sensor.The application is dynamically regulated by changing ammonia gas electric valve opening degree, ammonia amount is added, and the ammonia of closed cooling water is automatically regulated.

The application relates to a kind of bionic fish leader-follower formation control method based on deep reinforcement learning, comprising: constructing competitive double Q network;From the preset simulation flow field environment, the state vector of each follower and leader in formation is obtained, and the state vector of current time step is input into competitive double Q network, cooperate with the action selection strategy of follower based on imitating leader behavior, the action of each follower in formation is selected;Competitive double Q network is based on the formation reward / punishment of each follower, the imitation learning loss function with attenuation coefficient is optimized, and the foregoing steps are repeated to obtain the trained network model;Online load network model, and obtain the state vector of each follower and leader in simulation flow field environment, based on state vector, the Q value of each action under the current state of each follower is evaluated;Each follower selects the action corresponding to the maximum Q value, maintains the formation configuration of leader and follower, and completes the formation control task.