5results about How to "Realized loss" patented technology

This invention provides a method and system for dynamic correction of a hoist under speed loop control, relating to the field of data processing. The method includes: acquiring the hoist car's descent information during cargo entry into the hoist car, and performing dynamic correction of the hoist's descent based on this information; collecting the real-time motor speed of the hoist during cargo transportation, and adjusting the phase current of the hoist motor based on the real-time motor speed and a preset motor speed; and acquiring the hoist car's lifting information during cargo exit from the hoist car, and performing dynamic correction of the hoist's lifting based on this information. This method has the advantage of improving the real-time performance and accuracy of hoist correction.

The application provides a high beam module and a vehicle lamp. The high beam module comprises a light source for emitting light; a high beam lens arranged on the light emitting side of the light source, the high beam lens being an integral structure, the high beam lens comprising a light inlet surface, a first total reflection surface, a second total reflection surface, a third total reflection surface and a light outlet surface, the second total reflection surface and the third total reflection surface being oppositely arranged along a first direction, the light outlet surface being located on one side of the third total reflection surface along a second direction, the light emitted by the light source being projected to the first total reflection surface through the light inlet surface, the parallel light being formed after being reflected by the first total reflection surface, the parallel light being reflected by the second total reflection surface and the third total reflection surface in sequence, and the parallel light being emitted by the light outlet surface to form a high beam light pattern; the light outlet surface comprises a plurality of sub-light outlet surfaces arranged in sequence along a third direction, and the distance between the root of each sub-light outlet surface and the light source along the second direction gradually increases along the third direction. The application can improve the light efficiency of the high beam module while ensuring the narrow opening size.

This invention provides a wellbore nitrogen atomization acidizing system and method, belonging to the field of reservoir stimulation technology. The system includes: an atomization unit with an atomization outlet located inside the wellbore for generating initial acid in an atomized state; an acid recovery unit equipped with an acid recovery pump for recovering acid and obtaining a mixed acid solution; a separation unit for separating the mixed acid solution to obtain the initial acid solution and injecting it into the atomization unit; a control unit for determining an acid distribution scheme based on real-time acidizing status information, generating a corresponding acid supply command based on the scheme, and distributing the command to the acid supply unit; and an acid supply unit connected to the inlet of the atomization unit for supplying the initial acid solution to the atomization unit based on the acid supply command. This invention effectively improves acidizing performance, reduces acid loss, and is adaptable to complex wellbore environments.

The present application relates to a kind of cross thread engagement friction and wear test device and test method, belong to screw transmission mechanism field;Including support base plate, ball screw nut, first gear drive motor, sliding table, sliding guide, ball screw, synchronous belt, first synchronous pulley, second synchronous pulley, first connector, cantilever support frame, roller, second connector, main screw and bearing support;The present application is simulated by complete simulation planetary roller screw main screw outer thread and roller outer thread engagement contact mode, control main screw rotation, roller rotation, roller revolution, roller axial load, realize the sliding of multiple rollers and main screw engagement contact, rolling, rolling and sliding friction and wear test, obtain the friction and wear law of main screw and roller under different rotational speed and different axial load, lay the foundation for reducing friction, reducing wear, improve planetary roller screw transmission efficiency and work reliability.

The application relates to the technical field of optimization control of energy storage power converters, and particularly provides a high-voltage battery energy storage power converter optimization system and method, which comprises a working condition simulation module, a loss calculation module and a comprehensive analysis module; the working condition simulation unit is used for performing transient state simulation on the high-voltage battery energy storage power converter; the loss calculation unit is used for calculating the loss of the high-voltage battery energy storage power converter in the transient state simulation environment; and the comprehensive analysis unit is used for comprehensively optimizing the high-voltage battery energy storage power converter based on the loss of the high-voltage battery energy storage power converter in the transient state simulation environment. The technical scheme provided by the application can provide a basis for three-level converter control, modulation strategy algorithm selection, device parameter selection and thermal design.