7results about How to "Play a compensatory role" patented technology

The invention relates to an optimal scheduling method of a wind-light-pumped storage complementary power generation system. The method comprises the following steps: acquiring wind-light data of the pumped storage complementary power generation system; based on the wind and light data, generating a wind and light scene by using a WGAN-GP network model, and performing scene reduction on the wind and light scene by using a K-means + + method to obtain a typical wind and light scene and a probability thereof; establishing a two-stage distribution robust optimization model considering the wind and light uncertainty, and adopting Camp; the two-stage distribution robust optimization model is solved through a CG algorithm, an optimal scheduling scheme is obtained, and in the solving process, the typical wind and light scene and the probability of the typical wind and light scene serve as the initial scene and the initial probability of the two-stage distribution robust optimization model. Compared with the prior art, the method has the advantages that the wind and light output fluctuation can be stabilized, and the operation safety, economy and stability of the system are improved.

The invention belongs to the technical field of target positioning, and particularly relates to a ground target positioning method fusing unmanned aerial vehicle multi-view images and laser ranging, which comprises the following steps: calibrating a camera and a pulse laser range finder, and determining internal and external parameters of each sensor and the mounting position and direction of the laser range finder; detecting a two-dimensional pixel coordinate of the tracking target; carrying out Gaussian positive calculation on a given geodetic coordinate system to a space rectangular coordinate system; preliminarily resolving the three-dimensional coordinates of the target; the pulse laser range finder works synchronously, measures the distance from a target to the unmanned aerial vehicle in real time, combines the target distance measured by the laser range finder as an input parameter with feature point position information detected by a camera of the unmanned aerial vehicle, comprehensively processes two-dimensional image coordinates and distance data, and calculates three-dimensional coordinates; based on the preliminary positioning result, the three-dimensional coordinates of the target are further optimized through an iterative algorithm; and carrying out Gaussian back calculation on a three-dimensional solution positioning result in the space rectangular coordinate system to a geodetic coordinate system for display.

The utility model discloses an oil-submerged pump test tool which comprises an oil tank profiling container, a manhole seat ring, a supporting piece, an oil-submerged pump, an oil conveying pipeline, a manual ball valve, a pressure gauge, a flow meter, a shock absorber, a shock absorption elbow and an oil outlet pipe. The manhole seat ring is arranged on the oil tank profiling container, the manual ball valve and the pressure gauge are adjacently arranged on the horizontal section of the oil conveying pipeline, the oil outlet end at the tail end of the oil conveying pipeline is connected with the flow meter inlet end through the shock absorber, the flow meter outlet end is connected with the oil outlet pipe through the shock absorption elbow, and the oil outlet pipe extends into the oil tank profiling container. The device is simple and reasonable in overall structure, light in weight design, convenient to disassemble and assemble, small in occupied space and convenient to arrange, and the labor intensity of an operator is relieved; the reading is convenient and quick, the test result can be quickly obtained, the test efficiency is improved, the recycling of the test liquid is realized, the resource is saved, and various application scenes are met.

The application provides an automatic make and break float centering device with automatic searching of a tubing coupling, and relates to the technical field of oil and gas well pressure operation. The device comprises a base lifting mechanism, a moving sliding seat, a bearing table, a clamping centering mechanism and a power mechanism. When the front and rear centering positions need to be adjusted, the installation table moves forward and backward with the hydraulic pipe tongs seat under the drive of the motor, the speed reducer and the gear and the rack of the power mechanism, and the hydraulic pipe tongs moves forward and backward with the bearing table, so that when the pressure machine performs the upper hydraulic pipe tongs work, the hydraulic pipe tongs floats upward or downward with the action of the hydraulic pipe tongs for screwing, the hydraulic pipe tongs floats to search for the tubing coupling when the tubing coupling is screwed, and the compensation effect is achieved on the centering of the tubing.

The utility model relates to a kind of resin blowing device and anchor rod trolley, including propulsion assembly and the conveying pipe assembly that can be inserted or retracted reset to the inside of drilling by propulsion assembly, the conveying pipe assembly includes cartridge input part and cartridge output part, and elastic connecting part is equipped with between cartridge input part and cartridge output part Self-correcting and guiding are available.The resin blowing device and anchor rod trolley obtained by the utility model have the following advantages: cartridge input part is used for the input and movement direction of external resin cartridge, cartridge output part is used for inserting operation hole to guide the delivery of resin cartridge;Elastic connecting part has elasticity, in the state that the relative position of cartridge output part and operation hole is not enough to fit, can play compensating effect, so that cartridge output part is automatically corrected and guided into operation hole, improve operation efficiency.

The utility model provides a refrigerator which is provided with a food material storage area used for storing food materials and comprises two magnetic field generation structures, the two magnetic field generation structures are arranged on the two opposite sides of the food material storage area respectively, the magnetic field generation structures are used for generating magnetic fields in the food material storage area, and each magnetic field generation structure comprises a permanent magnet piece and at least two magnetic supplement blocks. The two magnetic supplement blocks are arranged on the two opposite sides of the permanent magnet pieces respectively, the magnetic supplement blocks are located between the planes where the two opposite surfaces of the two permanent magnet pieces are located, and at least part of the magnetic supplement blocks are located between the planes where the two opposite surfaces of the two permanent magnet pieces are located. The magnetic supplement blocks of the two magnetic field generation structures are correspondingly arranged in the distribution direction of the two magnetic field generation structures. The magnetic supplement blocks on the two sides can compensate the magnetic field of the permanent magnet pieces, so that the boundary effect of the magnetic field of the permanent magnet pieces is counteracted, and the magnetic field distribution in the whole food material storage area is more uniform.

The utility model discloses a cutter of an ultrasonic knife and the ultrasonic knife, and the cutter of the ultrasonic knife is characterized in that a first clamping arm is provided with a first clamping surface and a first end surface; the second clamping arm is provided with a rotating center and can rotate around the rotating center relative to the first clamping arm; the gasket is arranged on the side, facing the first clamping face, of the second clamping arm, and the second clamping arm rotates around the rotating center so that the gasket can abut against or be away from the first clamping face; the gasket is provided with a second clamping face and a second end face away from the rotating center, and the cutter clamps or releases the target through the first clamping face and the second clamping face. The included angle between the second clamping face and the second end face is an obtuse angle, and the end, away from the rotating center, of the gasket inclines in the direction away from the first clamping arm. And / or the included angle between the first clamping face and the first end face is an obtuse angle, and the end, away from the rotating center, of the first clamping arm inclines in the direction away from the gasket. According to the technical scheme, the uniformity of the clamping force when the cutter clamps the target tissue is improved.