13results about How to "Stability advantage" patented technology

The application discloses a SOFC integrated power generation system containing a diesel pretreatment unit, and belongs to the technical field of solid oxide fuel cells. The SOFC integrated power generation system at least comprises a diesel pretreatment unit, a SOFC power generation unit and an intelligent control system. The pretreatment unit converts diesel into high-purity hydrogen-rich gas through desulfurization, denitrification and autothermal reforming processes. The SOFC power generation unit adopts a metal support type stack and realizes efficient power generation in combination with heat management. The intelligent control system can realize real-time monitoring and dynamic adjustment to ensure stable operation of the system. The power generation efficiency of the SOFC integrated power generation system can reach 55% to 58%, the fuel utilization rate reaches more than 90%, and the emission is low. The SOFC integrated power generation system is suitable for distributed power generation, mobile power sources, emergency power sources and automobile fuel cells and the like application scenarios, and has the characteristics of high efficiency, environmental protection and stability.

The invention aims to provide a phase unwrapping method based on extended Kalman filtering. The method comprises the following steps: A, constructing a two-dimensional phase unwrapping program MCC-EKFPU; and B, performing phase unwrapping processing on the interferogram by using a two-dimensional phase unwrapping program MCC-EKFPU to obtain an unwrapped phase of the interferogram. According to the method, the maximum correlation entropy criterion extended Kalman filtering theory is introduced into interferogram wrapping phase unwrapping, and an interferogram phase gradient estimation technology and a robust path tracking strategy are combined, so that the method has higher phase unwrapping precision and better robustness; the method has good application potential in interferogram phase unwrapping application with high accuracy requirements.

The utility model discloses a pulp and kernel separator, which relates to the technical field of kernel removal and comprises a support frame, a feeding box mounted at the upper end of the support frame, a cutting mechanism mounted at the upper end of the feeding box, a top frame arranged on one side of the feeding box, a pressing mechanism mounted at the upper end of the top frame and positioned on the upper side of the cutting mechanism. A sliding rail is arranged on one side of the top frame, and a material taking mechanism is installed in the sliding rail in a sliding mode. By arranging the material taking mechanism composed of the sliding rail, the reciprocating lead screw and the moving plate and combining a matching structure of the second air cylinder and the inserting rod, automatic material taking and precise transferring of fruits are achieved, a traditional manual feeding device or a feeding device with a simple structure is replaced, the feeding stability and the positioning precision are remarkably improved, and the production efficiency is improved. The cutting mechanism adopts the combined design of the hollow cylinder and the cutting knife, and is matched with the obliquely arranged kernel tube and the material guide rail, so that the kernels can be smoothly discharged, the blockage problem is avoided, and compared with a single cutting or unsmooth kernel discharging structure in the prior art, the separation efficiency is higher.

This invention proposes a health management method for multi-stack fuel cell power generation systems based on hierarchical collaborative optimization, belonging to the field of fuel cell technology. The method includes the following steps: Based on the operating parameters of the multi-stack fuel cell power generation system, a degradation model for the fuel cell stack and a capacity decay model for the battery energy storage system are established to obtain the lifespan cost of the fuel cell stack and the battery energy storage system; at a first time scale, based on the hydrogen consumption cost, the lifespan cost of the fuel cell stack, and the lifespan cost of the battery energy storage system, a rolling optimization problem is modeled to obtain a power reference trajectory and a state-of-charge reference trajectory for the battery energy storage system; at a second time scale, a Tube-model predictive control is used to construct an invariant tubular set and tighten the constraints, and an actual control law is generated based on the load prediction error for real-time rolling optimization to correct the power reference trajectory and the state-of-charge reference trajectory.

The utility model discloses a ball screw processing gap detection device, including detection platform, the detection platform lower extreme portion is installed with control box, is installed with the two -way clamping subassembly of the ball screw that needs to detect processing gap fixed placement on control box, the detection platform upper end portion is installed with the protection support frame board, is installed with the lift detection subassembly on the protection support frame board, is installed with the push transport subassembly of the classified conveying of the qualified product and unqualified product of detection completion on the detection platform, the detection platform is installed with controller, control box outside one end is installed with servo motor, and the output of servo motor is installed with screw adjusting rod, and the mobile sleeve block is screw -threaded connection outside screw adjusting rod. The utility model has the advantages of quick sorting, and the processing efficiency of detection device has been improved significantly.

This invention belongs to the field of intelligent seismic exploration technology, specifically relating to an intelligent reconstruction method for passive source seismic wavefields under sparse active source constraints and non-ideal illumination, to address the problems of false phase axes and coherent noise under non-ideal distribution of underground passive sources. To improve the reconstruction effect of passive source seismic wavefields under non-ideal illumination conditions, this method constructs an improved U-Net network, enabling it to intelligently extract data features and derive attention mechanisms along two independent dimensions—channel and space—within the network. The attention mechanism is then multiplied by the input feature map for adaptive feature refinement, achieving intelligent reconstruction of passive source data. Furthermore, a deep learning network, trained through learning, constrains the passive source seismic data prediction network with sparse active source seismic records, enabling the reconstruction of passive source data with co-located active source lines under sparse active source conditions, thus improving the multi-dimensional deconvolution reconstruction effect and computational stability.

The utility model discloses a kind of bottled cleaning agent automatic packing device, it includes conveying platform, positioning mechanism, encapsulation subassembly and adjusting mechanism.Conveying platform is equipped with slide rail and sliding block, and sliding block connects bearing plate;Positioning mechanism is connected first clamping arm and second clamping arm by elastic connecting rod, and inside is equipped with flexible gasket;Encapsulation subassembly includes lifting platform and encapsulation head, and encapsulation head bottom is equipped with heat sealing module and compression claw;Adjusting mechanism moves sliding block by screw rod drive.This device can accurately adjust bearing plate position, automatically adapt bottle size, ensure encapsulation sealing property and firmness, simultaneously reduce heat residue by cooling air flue, improve efficiency.Auxiliary support mechanism enhances stability, and is suitable for the automation packaging demand of multiple specifications bottle body.

The application provides a key fixing structure, which comprises a shell, a key frame fixedly arranged on the inner side of one side surface of the shell, a key hole arranged on the shell, a key arranged on the key frame and protruding from the key hole, a soft single-sided adhesive tape arranged on the key frame, and a key plate arranged on the soft single-sided adhesive tape and provided with a micro switch corresponding to the key. Through the cooperation of the shell, the key frame, the soft single-sided adhesive tape and the key, the key does not need to be provided with a force arm and a hot melting and dispensing process, the stable installation and accurate operation of the key are realized, and the process and cost are saved.

A novel tapless resonant push-pull photovoltaic energy storage inverter topology is disclosed, relating to the field of energy storage system topology control technology, specifically a novel tapless resonant push-pull photovoltaic energy storage inverter topology. It includes a photovoltaic boost MPPT circuit, a DC-AC bidirectional inverter circuit, and a battery-side DC-DC tapless resonant push-pull bidirectional isolated charging circuit. The photovoltaic boost MPPT circuit is used to increase the DC voltage of the photovoltaic panels and perform maximum power point tracking control. The DC-AC bidirectional inverter circuit performs bidirectional DC-to-AC conversion through three independent T-type three-level circuits, each independently controlled, with low harmonic output current. The battery-side DC-DC tapless resonant push-pull bidirectional isolated charging circuit includes a tapless transformer and a push-pull circuit. Through innovative tapless resonant push-pull circuit, dual-transformer interleaved control technology, and three-level inverter circuit design, it achieves efficient power conversion, optimized battery charge and discharge management, and reduced high-frequency ripple and electromagnetic interference, thereby improving the overall efficiency, stability, and reliability of the photovoltaic energy storage system.

The invention relates to a dipyrrolothiophene compound, a photoelectric device and photoelectric equipment. The structural formula of the dipyrrolothiophene compound is shown in the specification, in the formula, R1, R2, R3, R4, R5 and R6 are respectively and independently selected from one or a combination of more of hydrogen, an energy level regulating group, a conjugate group, a solubility regulating group, an anchoring group and a polar group, the molecule takes a dipyrrolothiophene ring as a core to form a symmetrical planar tricyclic system, and a rigid planar structure without obvious distortion is formed. The rigidity derives from condensed ring conjugated strong bond energy, thermal vibration distortion of molecular configuration is effectively avoided, and a stable conjugate channel is provided for charge transfer. And the prepared photoelectric device and photoelectric equipment are high in photoelectric conversion efficiency.

This invention provides a novel crystalline form of valbenazine di-p-toluenesulfonate and its preparation method, as well as its use in the preparation of drugs for treating tardive dyskinesia. The novel crystalline form of valbenazine di-p-toluenesulfonate provided by this invention has significant advantages in terms of stability, hygroscopicity, flowability, raw material purification effect, and dissolution rate. The preparation method of the novel crystalline form has a high product yield, is simple to operate, requires less time, and has low energy consumption, making it more suitable for industrial applications.

The utility model relates to the technical field of flood control, in particular to a flood control plate and a temporary flood control device. And the water retaining assembly comprises waterproof shrinkage cloth and a traction rope. According to the flood prevention plate, through the design of the movable storage box, the rhombic telescopic hinge and the waterproof telescopic cloth, the problems of a traditional flood prevention plate in the aspects of storage, carrying and waterproof sealing are effectively solved. The design of the telescopic traction rope and the hook ensures that the flood prevention plate can be stably fixed at a required position in the using process, and displacement caused by water flow impact is avoided; the waterproof shrinkage cloth ensures that gaps between the plates are effectively sealed, the water seepage phenomenon is prevented, and therefore the flood prevention effect is improved. Meanwhile, the length of the flood control plate can be adjusted according to actual requirements through the rhombic telescopic hinges, the adaptability and flexibility of the flood control plate are enhanced, the overall structure is more stable, and the flood control plate has higher pressure resistance and stability when facing rainstorm or flood.

The invention provides a synchronous operation control method for a wind turbine group rectified and sent out through a diode. The method comprises the following steps: executing machine-side converter control and grid-side converter control on a wind turbine generator; in machine side converter control, decoupling control is carried out on active power and reactive power of a permanent magnet generator, so that the generator works in a maximum wind energy capture interval or a constant rotating speed control interval; in the control of the grid-side converter, a reactive power-frequency virtual rotor equation is constructed, the active power-frequency power angle characteristic of a synchronous generator is simulated, and synchronous operation of a plurality of wind turbine sets is carried out. The core pain point that a diode rectification sending-out system cannot provide stable phase reference is solved, auxiliary network construction equipment does not need to be additionally arranged or an existing network following type wind turbine generator does not need to be greatly improved, the system construction cost and the implementation difficulty are reduced, and the stability, the disturbance rejection capacity and the adaptability under the fault working condition of multi-machine parallel operation are improved.