10results about How to "Realize flexible control" patented technology

The utility model relates to the technical field of optical communication testing, in particular to an insertion loss and return loss testing butt joint tool. Comprising a bottom plate, and a standard line positioning block is arranged on the bottom plate and used for positioning a standard line; a slide rail is arranged on the bottom plate, a slide block is arranged on the slide rail, and a test line positioning block is arranged on the slide block and used for positioning a test line; the slide block slides on the slide rail, so that the test line positioning block moves in the direction close to or away from the standard line positioning block; a mounting groove is formed in the standard line positioning block, and a standard line connector is arranged in the mounting groove; a limiting block is arranged on the standard line positioning block, an elastic piece is arranged on the limiting block, one end, far away from the limiting block, of the elastic piece abuts against the standard line connector, and the limiting block and the standard line connector are matched to release or extrude the elastic piece through sliding of the standard line connector in the mounting groove in the direction close to or far away from the test line positioning block. The method has the advantages that damage to the end face of the workpiece in the insertion loss test is reduced, and the test efficiency is improved.

The invention discloses a welding device and method for an auxiliary fuel tank, and relates to the field of aircraft auxiliary fuel tank welding. Each girth welding machine tool comprises a headstock and a tailstock which are arranged on the rigid base; the girth welding inner supporting and outer pressing positioning clamping system is arranged on a girth welding machine tool and comprises an inner supporting tool and an outer pressing positioning tool, the inner supporting tool comprises an inner supporting tool support and a plurality of expansion blocks, an inner supporting air cylinder is arranged in the inner supporting tool support and connected with the expansion blocks, and the outer pressing positioning tool comprises a tool frame and an annular key mechanism. The annular key mechanism is connected with the headstock or the tailstock through the tool frame. The annular key mechanism comprises a plurality of key assemblies and a driving unit. The welding device can ensure that the roundness, the perimeter, the welding seam assembly gap and the alignment tolerance consistency of the butt joint girth welding port of the conical cylinder section of the airplane auxiliary fuel tank meet the requirements.

The utility model relates to robot technical field, concretely relates to a robot joint support mechanism, including joint one and joint two, support subassembly, support subassembly sets up on joint one and joint two, and support subassembly is used for supporting joint one and joint two, reverse stretch subassembly, reverse stretch subassembly sets up in the middle part of support subassembly, and reverse stretch subassembly is used for the damping and reverse pull of joint two when bending on joint one. Compared with the prior art, the reverse stretch subassembly composed of the second rotating disc, trigger plate, connecting rod, moving block and tension spring is arranged, so that the joint two can obtain continuous variable damping feedback in the bending process, and the flexible control of the bending angle is realized.

The invention relates to a control method and device for an electrolytic cell cluster in a green electricity hydrogen production system, and is applied to the technical field of energy electric power. If the Pin (t) is smaller than N (t-1) Pmin-hard, carrying out calculation; according to the Pmin-hard and the Pin (t), the electrolytic cell which is started at the previous moment is controlled; if Pin (t) is greater than or equal to N (t-1) Pmin-hard and less than N (t-1) Pmin-soft, calculating an accumulated value of a difference value between Pmin-soft and the running power of the electrolytic cell when each started electrolytic cell runs below Pmin-soft in K historical periods at the previous moment; according to the accumulated value, the Pin (t) and the Pmin-soft, the electrolytic cell which is started at the previous moment is controlled; if Pin (t) is larger than or equal to N (t-1) Pmin-soft and smaller than or equal to N (t-1) Pmax-soft, the start-stop state of the electrolytic cells in the electrolytic cell cluster is controlled to be unchanged, and Pin (t) is averagely distributed to the started electrolytic cells; if Pin (t) is greater than N (t-1) Pmax-soft, calculating an accumulated value of a difference value between the running power of the electrolytic cell and Pmax-soft when each started electrolytic cell runs above Pmax-soft in K historical periods at the previous moment; and controlling the electrolytic cell cluster according to the accumulated value, the Pin (t) and the Pmax-soft. The stability of system operation can be improved.

This utility model relates to the field of tea processing technology, and provides a tea fixing device with a multi-layer heating drum. The device includes a drum body, a drive motor, an internal heating component, and an eccentric adjustment component. The drum body is a hollow cylindrical structure, and its inner wall is formed by two or more layers of coaxially stacked perforated mesh walls, forming an annular heat convection channel between each layer. The inner layer of the perforated mesh wall on the inner wall of the drum body constitutes a tea placement cavity, which accommodates and stirs the tea leaves. The drive motor is located on one side of the drum body and drives the drum body to rotate along its own axis. The internal heating component is mounted on the eccentric adjustment component, which is wedged into the drum body and adjusts the distance between the internal heating component and the inner wall of the drum. This utility model provides a new tea fixing device with advantages of high practicality and good fixing effect.

This invention discloses a grinding device for the outer wall of a through-hole pipe in a nuclear power plant. It includes an mounting ring, an axial motion mechanism, a circumferential motion mechanism, and a grinding mechanism. The grinding mechanism includes a grinding wheel and a grinding wheel drive assembly for driving the grinding wheel closer to or away from the axis of the mounting ring. The rotation axis of the grinding wheel is perpendicular to or inclined to the axis of the mounting ring. The device can be fixed to the outer wall surface of the pipe being inspected and can achieve axial and circumferential crawling motion of the pipe. After installation, the device has a small radial space dimension in the pipe, allowing it to enter the narrow space between the cover and the outer wall of the pipe being inspected. Given the long longitudinal dimension of the cover, the device needs to be able to provide real-time feedback on its spatial position. The grinding device can achieve good coupling between the grinding wheel and the grinding surface, and can flexibly control the coupling force of the grinding wheel when encountering unevenness on the pipe surface, thus achieving constant force grinding.

The invention discloses an anti-reflux control method and device for a secondary pump air-conditioning water system and a storage medium, and the method comprises the steps: collecting the operation data of the secondary pump air-conditioning water system in real time, and scanning the opening values of two-way valves of all online end devices; according to the opening values of the two-way valves of all the online end equipment, a tail end thermal sensitivity evaluation model is constructed, and a tail end thermal sensitivity index of the current system is obtained through calculation; based on the tail end thermal sensitivity index, the maximum secondary side mixed water supply temperature threshold value allowed under the current working condition is calculated in combination with the designed water supply temperature; the state of a profit and loss pipe is monitored in real time, when the flow of the profit and loss pipe shows that reverse flow or forward flow is lower than a safe dead zone, the secondary side mixed water supply temperature after reverse flow occurs is calculated, the predicted temperature is compared with an allowable threshold value, and if the predicted temperature does not exceed the limit, the current cold source operation state is maintained through pipe network thermal inertia, and machine adding is delayed; and if the system exceeds the limit or is predicted to exceed the limit, a cold source processing program is triggered, so that the energy-saving performance of the system is remarkably improved.

The invention relates to a chassis control method and device, electronic equipment and a computer readable storage medium, the method is applied to the electronic equipment, the electronic equipment comprises a two-wheel differential chassis and two motors, the two-wheel differential chassis comprises two driving wheels, and the two motors are in one-to-one correspondence with the two driving wheels; the method comprises the steps of determining kinetic parameters of the electronic equipment, responding to driving operation on the electronic equipment, determining current external force information according to the kinetic parameters, and controlling two motors to work according to the current external force information so as to drive two driving wheels to move. By adopting the method, the two-wheel differential chassis of the electronic equipment can be controlled based on the driving operation, the movement safety of the electronic equipment can be ensured, and the flexible control of the two-wheel differential chassis can be realized.

An axial misalignment controlled high-pressure common rail fast response fuel injector adopts a specific internal control oil circuit, cancels the hydraulic servo structure of a conventional fuel injector by combining a fuel injector body, an actuator, a control valve, a throttle valve and a fuel nozzle coupling, directly controls the nozzle by the throttle valve, improves the response speed, can realize the benefits of reducing the duration and improving the injection density; when the actuator loses power, the throttle valve core is sealed on the end face of the throttle valve, so that the force of the high-pressure liquid applied on the throttle valve core is relatively small, the required electromagnetic force during work is smaller, the volume of parts such as the actuator and the throttle valve core can be reduced, which is beneficial to the arrangement of the fuel injector assembly; at the same time, the heat generation of the actuator part during work is reduced, the reliability of the fuel injector assembly is improved; the structure design of the throttle valve core and the throttle valve flat sealing can flexibly change the area size of the sealing ring belt to realize flexible control of the fuel injection law waveform and expand the application range of the product.

The application discloses a kind of dynamic elastic resource expansion power station computing power server, it is related to computing resource management technical field, including distributed state perception acquisition module, data pre-processing and structured construction module, feature extraction and risk quantification analysis module, deep learning intelligent evaluation module and dynamic risk regulation and rhythm management module:Distributed state perception acquisition module, in the process of water power dispatching task live migration, through the distributed state perception system deployed in the central dispatching control platform of power station computing power server, continuously, real-time acquisition the running state of each key node in migration link and link quality parameter data.The application realizes risk identification and intelligent regulation in the process of water power dispatching task live migration by the dynamic elastic resource expansion mechanism of multi-module cooperation, improves the perception ability to node state and link exception, discriminates migration loss risk in combination with deep model, and dynamically adjusts dispatching strategy, guarantees task continuity and operation safety.