32results about How to "Shorten the exploration time" patented technology

The invention relates to a preparation method for a lead zinc niobate-lead titanate monocrystal. The preparation method comprises the following steps of: mixing raw materials of PbO, ZnO, Nb2O5 and TiO2 according to chemical composition (1-x)Pb(Zn1 / 3Nb2 / 3)O3-xPbTiO3PZN-PT, wherein x is mole fraction of PT in a solid solution system and is 0-1; mixing the raw materials of ZnO, Nb2O5 and TiO2 in a stoichiometric ratio, and ball-milling and sintering to obtain ZnNb2O6 with a niobite structure and a small amount of zinc niobium titanium oxide with a rutile structure; mixing PbO and sintering to obtain PZN-PT ceramic powder with a perovskite structure; mixing the PZN-PT ceramic powder and a fluxing agent for the growth of the crystal; processing a seed crystal according to crystal orientation (111) and (011); and growing the monocrystal, namely raising the temperature to the saturated growth temperature and reducing the temperature at a speed of 0.5 to 2 DEG C per hour, wherein the pulling speed of the monocrystal is 0.1 to 0.5 mm / h and the rotating speed of the monocrystal is 10 to 25 rpm, when the temperature is reduced to be between 900 and 1,030 DEG C, the crystal is separated from a melt solution and the monocrystal is obtained by reducing the temperature to room temperature at a speed of 50 to 100 DEG C per hour. The monocrystal has large size, high uniformity and obvious crystal appearance and is easy for directional process. The crucible can be reused, and smelting cost is reduced.

The invention relates to a method for measuring a depth of a roller body hardening layer. The method comprises the following steps of: 1) selecting a test roller; 2) processing a temperature measurement hole; 3) burying a thermocouple; 4) acquiring temperature; and 5) analyzing a test result. The method has the characteristics that the test data is detailed, the test period is short, the process time of a test is 4-5 hours or so, the test cost is low, a test material and equipment can be reused, the credibility of the test result is high and the like.

The invention discloses a green verruca sea anemone ecological specimen production device, which belongs to the technical field of biological specimen production, and includes a breeding device (1), an aeration device and a dosing device. The aeration device includes an air pump (2) and an air pipe (3). The dosing device includes a medicine storage tank, a flow rate adjustment part and a medicine dosing pipe; one (5) end of the flow rate adjustment part communicates with the medicine storage tank, and the other end communicates with the medicine dosing pipe; the air outlet of the ventilation pipe (3) and the dosing pipe The outlet is arranged at the bottom of the culture device (1); the invention also discloses a method for preparing ecological specimens of green verruca anemone by using the system. Utilizing the system and method for making ecological specimens of green verruca anemone of the present invention, lifelike ecological specimens of green verrucous sea anemone can be rapidly produced and obtained.

The invention relates to a method for formulating the cold rolling process of 5052 aluminum alloy plate and strip. According to the state of the finished product, it is judged whether the cold rolling process includes the second intermediate annealing and the third rolling pass group; and the total reduction from the billet to the second intermediate annealing is calculated. Rate ε 1 Or the total reduction ratio from blank to finished product ε 2 ;According to the state of the billet and the total reduction ε from the billet to the second intermediate annealing 1 Or the total reduction ratio from blank to finished product ε 2 , to determine whether the cold rolling process includes the first intermediate annealing and the second rolling pass group; calculate the thickness of the plate and strip after rolling each pass, and provide the cold rolling process of the 5052 aluminum alloy plate and strip. It can be determined that the cold rolling process of 5052 aluminum alloy plate and strip includes several groups of cold rolling, how many passes are included in each group of cold rolling, including several intermediate annealings, and the thickness of the plate and strip during intermediate annealing and the number of passes per pass can be determined. Secondary reduction rate.

The invention discloses a state data generation method and system for reinforcement learning, and the method comprises the steps: obtaining all first state data of an intelligent agent in a first learning stage, and obtaining second state data in the first state data, wherein the distance between the second state data and a learning target accords with a preset step number range; training the variational automatic encoder by using the first state data to obtain a trained encoder of the variational automatic encoder, and sampling to obtain a plurality of first potential variables; inputting second state data into the trained encoder to obtain a plurality of second potential variables; selecting a third potential variable meeting a preset condition from the first potential variable and the second potential variable; and inputting the third potential variable into a decoder of the variational automatic encoder to generate initial state data of the second learning stage. By generating thenew state data, the agent starts to explore from the new state data instead of the original state data at a certain probability, the exploration time is shortened, the reward frequency is increased, and the method is suitable for any reinforcement learning method.

The present invention provides a trigeminal neuralgia model based on MR images and a preparation method thereof. Through MR neuroimaging sequences, 3D high-resolution MRI scanning images of the trigeminal nerve, adjacent blood vessels, and brainstem are obtained, and the obtained original image data is imported into modeling The post-processing software performs image fusion, segmentation, and reconstruction of the compressed trigeminal nerve, responsible blood vessels, and adjacent brainstem structures to obtain a three-dimensional anatomical model of trigeminal neuralgia and neurovascular compression, which can be imported into a color 3D printer to print an individualized 3D printed solid model. Effectively display the shape, degree, complex course of neurovascular compression and the front-back, upper-lower spatial relationship of adjacent structures, meet the needs of precise medical assessment and surgery, and be used for preoperative planning, surgical simulation, and teaching training, and reduce the risk of microvascular decompression surgery. Exploring time, reducing surgical complications, and improving the teaching effect of medical training.

The invention discloses an indoor positioning and path planning method in the case of fire fighting and rescue. The method comprises a server platform of an emergency field command center, a GPS positioning module, an inertial navigation module, and an air respirator equipped with augmented reality glasses for firefighters. , and the terminal equipment for information processing and transmission, through GPS positioning and inertial navigation positioning, obtain the conversion relationship between the inertial navigation coordinate system and the world coordinate system, and obtain the specific position of the firefighters inside the building. Then, according to the target location specified by the command center, plan the best indoor path for firefighters to the target location. Through the method of the invention, the fire fighting and rescue action speed of the firefighters can be effectively improved, and the action safety of the firefighters can be guaranteed.

The present invention provides a method for controlling an electronic cigarette, comprising the following steps: Step S100: Obtain the resistance value of the atomization component (20), judge whether the atomization component (20) has a magnetic material (21), and if yes, display The first display interface, if not, display the second display interface; step S200: output the corresponding power according to the obtained resistance value of the atomization component (20) and the preset corresponding table; step S300: judge whether the output has been adjusted Power / voltage, if the judgment result is yes, record the adjusted output power, and regenerate the corresponding table; if the judgment result is otherwise, end the operation. The present invention also provides an electronic cigarette using the above control method. The invention can simplify the user's operation and make the electronic cigarette more personalized.

The present application provides a method and system for adaptive control of robot motion parameters based on deep reinforcement learning. The method includes: constructing an agent in a simulation environment, the agent comprising: a strategy neural network, a value neural network and a task planning module; based on guided reinforcement learning, according to sample parameters, the strategy neural network in the agent is Carry out training; based on hierarchical reinforcement learning, according to multiple subtasks and their corresponding reward functions, the strategy neural network and the value neural network in the agent are alternately carried out strategy promotion and strategy evaluation, and the trained strategy neural network is obtained. Network model; based on the trained strategy neural network model, output control parameter optimization values ​​to the controller according to the target task, so that the controller can control the robot according to the control parameter optimization values .