9results about How to "Realize self-regulation" patented technology

The invention provides a one-dimensional pneumatic design method and device for an axial flow compressor, and belongs to the field of axial flow compressor pneumatic design. The method comprises the following steps: taking values of a plurality of design variables as the state of a reinforcement learning agent; the intelligent agent outputs the adjustment amount of the design variable according to the state, and the adjustment amount serves as the action executed by the intelligent agent; applying the action to the value of the current design variable to obtain an updated design variable; utilizing a one-dimensional inverse problem design program to generate a one-dimensional pneumatic design scheme of the gas compressor; utilizing a one-dimensional normal problem analysis program to output performance indexes; constructing a reward function according to the performance indexes; based on feedback provided by the reward function, a depth deterministic strategy gradient algorithm is adopted to train the intelligent agent; and performing one-dimensional pneumatic design of the gas compressor by using the trained intelligent agent. According to the method and device provided by the invention, the problems that the one-dimensional design of the axial flow compressor depends on experience, the efficiency is low, automatic optimization is difficult and the response is slow can be solved.

The utility model discloses a growth type multifunctional baby crib, relates to the technical field of baby cribs, and aims to solve the technical problems that the structure of the current baby crib is inconvenient to efficiently adjust to cope with the space and the use scene, and the current baby crib is inconvenient to adapt to the demand change in the growth process from a baby to a child, so that the product is easy to be idle and is eliminated too early. Comprising a fence module, a bed frame module arranged in the fence module and a bed body module arranged on the bed frame module, the fence module comprises a shielding fence, the bed frame module comprises a bearing bed frame and a telescopic hinge sliding rail shade, and the telescopic hinge sliding rail shade comprises a fixed part and a telescopic part. The bed body module comprises a movable bed board, a fixed bed board, an expansion bed board and a hinge sliding rail. The baby crib has the advantages that the length and the height of the baby crib can be adjusted, the baby crib can continuously change along with the growth of a baby, the growth requirement of the baby from birth to school age is met, and higher economical efficiency and practicability are provided for family users.

This invention discloses a method for simulating the underwater topography of natural lakes based on shoreline topographic features, belonging to the field of earth science technology. This invention focuses on "simulating the natural process of lake level drop," fully utilizing the lakeside topographic information and morphological parameters extracted from DEM data to achieve reliable estimation of water depth and water storage in natural lakes without actual measured data. The main advantages are as follows: 1) This method can automatically adjust the calculation formula for underwater topography based on lake morphological parameters, thereby achieving autonomous adjustment for water depth prediction of different types of lakes, effectively improving the accuracy and reliability of the simulation results; 2) In the underwater topography simulation process, the reshaping effect of lake sediments on the underwater topography is considered, and a correction formula is introduced into the slope calculation module, making the slope calculation results closer to the actual lakebed morphology, further improving the accuracy of the simulation process.

The embodiment of the present application provides an online control method and system of an electric dust removal system, and belongs to the technical field of electric dust removal. The method comprises the following steps: collecting real-time operation parameters of the electric dust removal system, and simulating operation conditions based on the real-time operation parameters; determining condition fitting parameters of each preset fitting path based on the simulated conditions; taking dust removal efficiency as an optimization target, taking each fitting path as an optimization variable to construct an optimization problem; adaptively adjusting the condition fitting parameters of each preset fitting path, determining an optimization path based on the linkage condition of the optimization problem, and determining target parameters of the optimization path based on the optimization problem; and generating and executing corresponding control instructions based on the target parameters of the optimization path. The present application scheme ensures accuracy while improving the intelligence of the system when performing electric dust removal efficiency control.

The utility model relates to a novel negative pressure drainage device, including plastic film pipe body, the upper end cover is bonded with the upper end of plastic film pipe body, and the lower end bonding has lower bottom plate, still include auxiliary device, and the auxiliary device includes base, fixed link and pressing plate, and fixed link is equipped with a plurality of annular grooves along the longitudinal direction, and the rotatable annular clamping block is sleeved on the annular groove, and the outer diameter size of annular clamping block is same with the diameter size of fixed link, and the one end of annular clamping block is provided with the fender outward and extends, and the annular sleeve of fixed link is sleeved on the both ends of pressing plate, and the hollow space in -side of annular sleeve is provided as the space for retention and extends outward, and the space for retention can completely cover the fender of annular clamping block on the orthographic projection plane, so that the annular sleeve can pass through the fender when fixed link vertical movement. The device realizes flexible adjustment multistage compression amount, and the use is convenient, and the transformation cost is low.

The invention provides a spacecraft intelligent thermal control device and a design method thereof. The spacecraft intelligent thermal control device comprises a flexible self-temperature-limiting electric heating sheet, a crimping terminal, a connecting cable, a current limiter and a power supply, the plurality of flexible self-temperature-limiting electric heating sheets are adhered to a to-be-heated area of the spacecraft assembly, and leads of the plurality of flexible self-temperature-limiting electric heating sheets are connected in parallel and are crimped to the crimping terminal; the crimping terminal is connected to a current limiter through a connection cable, and the current limiter is connected to a power supply through a connection cable. Intelligent heating and temperature measurement and control can be achieved through the flexible self-temperature-limiting electric heating piece, automatic adjustment of resistance is achieved according to the self temperature change after power supply, and therefore the heating power is intelligently controlled, and when the self temperature reaches the maximum limiting temperature of a heating material, the heating power is reduced to the minimum value, and the self-temperature-limiting function is achieved; and a plurality of flexible self-temperature-limiting electric heating sheets can be connected in parallel through crimping, so that even if a single flexible self-temperature-limiting electric heating sheet is completely damaged, the rest of the flexible self-temperature-limiting electric heating sheets can work normally, and the reliability is high.

The utility model belongs to aromatherapy machine technical field, a kind of water heating blanket knob with fragrance, including shell, upper cover and iris mechanism, after user drops in essential oil, by magnet piece and magnet attraction realization iris mechanism and inner chamber top surface abut, at this time, rotate upper cover, to realize the adjustment of incense concentration, realize the independent adjustment of indoor fragrance concentration, so that device can adapt to different scene needs, and then so that device adaptability is higher, user can also be through the way of screw column rotation to go up and down telescopic fixed column, user can adjust fixed column height according to the size, thickness of fragrance stone, ensure that fragrance stone is stably placed, can adapt to different specifications of fragrance stone, increase the versatility and adaptability of product, in the utility model, inner chamber bottom surface is provided with honeycomb heat-conducting sheet, honeycomb heat-conducting sheet can more effectively guide and evenly distribute the heat from host controller to fragrance stone, accelerate the volatilization and diffusion efficiency of fragrance liquid.

The invention provides a man-machine cooperative motion planning control device driven by visual perception, and relates to the field of man-machine control, the man-machine cooperative motion planning control device is characterized in that the number of supporting frames is two, and mounting seats are slidably arranged in the supporting frames; a mounting base is mounted in the mounting seat in a clamping manner; a connecting support is rotationally arranged on the adjacent sides of the two supporting frames. When the visual perception module is installed, the connecting side block of the visual perception module is inserted into the installation groove, the connecting side block can push the touch sliding block to move backwards, the limiting insertion block is linked to retreat from the limiting insertion groove, at the moment, the fixing insertion block automatically bounces into the installation insertion groove under the reset action of the spring, stable locking is completed instantly, and plug-and-play rapid installation and reliable fixing are truly achieved. The problem that during subsequent maintenance, the visual perception module usually does not have the installation position detection function, so that deviation occurs in the subsequent installation process of the visual perception module, and information acquisition data is affected is solved.

The invention relates to the technical field of medical instruments, in particular to a telescopic T tube for laryngotracheal stenosis reconstruction, which comprises a cross arm tube and a vertical arm tube which are integrally formed, telescopic arm tubes are arranged at two ends of the cross arm tube, each telescopic arm tube comprises a telescopic inner tube and a support outer tube, and two ends of the telescopic inner tube are fixedly connected with two ends of the support outer tube; the end, away from the cross arm pipe, of the vertical arm pipe is fixedly connected with an extending arm pipe, an adjusting pipe is in threaded fit with the interior of the extending arm pipe, the inner side wall of the extending arm pipe is fixedly connected with an adjusting part, and the adjusting part adjusts and controls the length of the telescopic inner pipe with the relative spiral displacement of the adjusting pipe and the extending arm pipe as an index; the telescopic arm tube with the telescopic length is additionally arranged on an existing safety T tube, and after a doctor puts the safety T tube into the laryngotrachea of a patient, stretching and retracting of length adjustment are achieved, so that the probability that the matching degree of the T tube and the individualized airway structure of the patient is poor is reduced.