12results about How to "Improve maneuverability" patented technology

The application provides a kind of integrated node flexible variable mechanism of rope drive active deformation topology structure, it is related to flexible deformation device technical field, control is realized to large-span deformable structure by using rope drive, structural weight is reduced, and the operating performance of flexible deformation body mechanism is improved.The shortening of first winding makes the radius of annular framework larger;The shortening of second winding makes the length of annular framework longer;Between the first annular framework and the second annular framework, the first winding on the first annular framework is arranged on the first node on the second annular framework, and the second winding on the first annular framework is arranged on the first node on the second annular framework to realize active turning, which can reduce the stress applied to the mechanism by the outside when the pipeline moves, help protect the flexible structure, improve the system use time, and better adapt to complex terrain space scenarios, actively adjust the travel speed and direction to select the optimal path to improve work efficiency.

The utility model discloses a kind of medicine applying devices for gynaecology vaginitis, belong to gynaecology medical instrument technical field, a kind of medicine applying device for gynaecology vaginitis, including push plate, push plate front end is fixedly connected with medicine applying structure, medicine applying structure inside is threadedly connected with injection structure, push plate rear end is fixedly connected with limit ring, push plate inner surface and limit ring inner surface are threadedly connected with push structure, it is cooperated by medicine applying structure and push structure, when gynaecology doctor treats vaginitis patient, capsule, tablet and powder drug can be quickly sent into patient vagina, complete medicine applying, by injection structure and medicine applying structure and push structure cooperation, so that device can also complete liquid medicine applying, eliminate limitation, by push structure, so that the controllability of device is higher, can effectively avoid to cause harm to the inside of patient's vagina, can realize the function of convenient liquid medicine and high operating precision, improve the practicality of device.

The application discloses a kind of active front wheel steering time delay feedback controller parameter time delay feasible region's calibration method, and include steps: 1) the vehicle system model of active front wheel steering feedback controller including time delay is established;2) by constructing Lyapunov-Krasovskii functional, time delay independent stability parameter region is solved;3) by Laplace transform solving system characteristic equation, obtain stability discriminant polynomial;4) it is solved to the minimum critical time delay that can be tolerated under time delay independent stability region and time delay related stability zone under different control parameter combinations of system.This application can provide reference for controller stability design, compared with traditional active front wheel steering controller without considering time delay, can more effectively judge whether system meets stability requirement, and reduce control parameter adjustment range, so as to reduce test cost in actual engineering, guarantee the stability of vehicle control system.

The utility model discloses an automatic metering control irradiation box relates to irradiation box technical field, and the right side of device main part is equipped with drive mechanism, and drive mechanism top connects irradiation mechanism, and drive mechanism bottom is connected with rotating mechanism, and the inside of device main part is equipped with protection mechanism, and protection mechanism is located rotating mechanism outside both ends, device main part bottom is connected with rotating mechanism, and protection mechanism top is installed infrared camera, and protection mechanism rear end is installed with radiation dosimeter, and radiation dosimeter is connected with irradiation equipment circuit. Through setting up infrared camera and radiation dosimeter outside protection mechanism, can make irradiation equipment when carrying out irradiation operation to article, can monitor the temperature of article outside through infrared camera, and radiation dosimeter also can monitor irradiation intensity simultaneously, thereby make the irradiation ray of irradiation equipment too strong or too weak, can adjust through the information feedback of infrared camera and radiation dosimeter.

This utility model discloses a moxibustion jar fixing device, relating to the field of moxibustion jar installation. It includes a support structure, adjusting arms, and a fixing structure. Two sets of adjusting arms are symmetrically fixed to the top two sides of the support structure. Two sets of fixing structures are fixed to the front ends of the two sets of adjusting arms. The fixing structure includes a clamp and a wing bolt, with the wing bolt threaded to the clamp. The support structure includes a counterweight base, a storage rod, a rotating handle, an extension rod, and a fixing seat. The bottom end of the storage rod is fixedly connected to the top of the counterweight base. The storage rod has a hollow design, and the extension rod is inserted inside the storage rod. This utility model provides a moxibustion jar fixing device that can securely fasten the moxibustion jar using the fixing structure and adjust its position using the adjusting arms. This allows medical personnel to easily adjust the position of the moxibustion jar according to the patient's body shape, enabling the moxibustion jar to be aligned with acupoints for treatment. It is simple, convenient, and highly controllable.

The application discloses a high-temperature gradient structure thermal barrier coating and a preparation method thereof, and belongs to the technical field of thermal barrier coatings.The high-temperature gradient structure thermal barrier coating comprises, from bottom to top, a substrate, a bonding layer, an 8YSZ layer and a rare earth zirconate layer.The bonding layer is made of NiCrAlY alloy; the 8YSZ layer is ZrO2 stabilized by 8% mass fraction of Y2O3; and the chemical composition of the rare earth zirconate layer is LaYbZrCeO7.The application introduces the rare earth doping and double-layer structure design idea into the structure of the thermal barrier coating, so that low thermal conductivity, high thermal expansion coefficient and excellent thermal cycle life can be obtained, and the application has a wide application prospect in the field of thermal barrier coating materials.

This invention discloses a time-varying output formation control method for multi-agent systems under DoS attacks, based on hierarchical asynchronous dynamic event triggering. The method includes establishing dynamic models of the leader and followers; establishing constraints; establishing a DoS attack model; designing a Luenberger observer; designing an adaptive state observer; constructing an output feedback formation controller and establishing a corresponding dynamic tracking error system model; analyzing and proving the observation error of the multi-agent system under DoS attacks; analyzing the formation tracking performance of the multi-agent system under DoS attacks; and verifying its effectiveness in time-varying output formation problems. This invention can estimate the leader's state information in real time and effectively avoids the waste of communication resources and the negative impact of DoS attacks. Based on this observer, combined with output adjustment techniques and state feedback control, the multi-agent system can achieve the desired time-varying formation configuration within a certain error bound.

The application provides a preparation method of a novel nano-enzyme high-efficiency antibacterial agent, and the specific operation steps are as follows: 1, CuAC2 is weighed and dissolved in N,N-dimethylformamide; 2, sodium phenyl dodecyl sulfonate is added, and after stirring for one hour, the mixture is moved into a reaction kettle; 3, thioacetamide is added, and after continuing to stir for 10 minutes, the mixture is sealed; 4, after constant temperature heating in a 180-degree oven for 24 hours, the mixture is taken out, cooled to room temperature, centrifuged, washed and dried, and the powder obtained is the novel nano-enzyme high-efficiency antibacterial agent. The novel nano-enzyme high-efficiency antibacterial agent prepared by the method can generate sufficient ROS (hydroxyl radicals) under the condition of no light, and is used for killing various typical drug-resistant bacteria.

The utility model discloses a kind of welding wire feeding adjustment devices of accelerated cooling, it is related to welding wire feeding processing equipment technical field;Drive mechanism is equipped in device main body, and the rear end of drive mechanism is connected with cooling mechanism, and cooling mechanism includes peristaltic pump rod, peristaltic pump rod outside is equipped with peristaltic pump shell, and peristaltic pump rod and peristaltic pump shell between are equipped with infusion hose, infusion hose one end connects cooling plate, cooling plate is attached with storage tank;Lifting mechanism is equipped in device main body front end, and lifting mechanism outside is connected with moving mechanism, and moving mechanism left end is connected with wire feeding head. Drive mechanism drives cooling mechanism to operate, can make drive mechanism when driving wire feeding head position adjustment, peristaltic pump rod can cooperate peristaltic pump shell extrusion infusion hose, to make infusion hose inside cooling plate inside cooling liquid of storage tank transmission, make cooling plate to storage tank cooling, avoid the problem that wire feeding head appears in the process of wire feeding welding wire temperature is too high.

This invention belongs to the field of seismic data processing technology for petroleum exploration. It discloses a method for processing contiguous seismic data. The method involves coherent enhancement and Fourier transform of seismic traces in seismic data A and B, obtaining the phase and amplitude spectral factors of each trace in the frequency domain. After smoothing, the values ​​are summed and averaged to obtain the phase and amplitude factors in the frequency domain. Then, an inverse Fourier transform is performed to convert the data to the time domain, yielding phase and amplitude shaping operators. These operators are then convolved and sequentially applied to seismic data A to achieve contiguous data shaping from seismic data A to seismic data B. This invention is used for contiguous processing of seismic data and has advantages such as good stability, high accuracy, and strong applicability.

The application discloses a preparation method of a bionic bacterial micro-scale swimming robot and application thereof, and belongs to the technical field of biomedicine. The application combines natural ganoderma lucidum spores (GLS) as a template with the plasticity and solidification forming characteristics of resin, and prepares a bacterial flagella-like structure on the GLS through a microwave or high-pressure process, and generates the bionic bacterial micro-scale swimming robot after magnetization. The robot can be steerable under the action of a magnetic field, and has wide application prospects. The robot has great potential and popularization value in the field of targeted therapy-drug transportation in biomedicine.

This invention relates to a non-uniform high-entropy carbide ceramic material and its preparation method, characterized by its molecular formula Mo. 1‑x (Ti 1 / 4 Zr 1 / 4 Nb 1 / 4 Ta 1 / 4 ) x C ( x ≠0.8, 0< x <1), where Mo is the key element for composition and performance adjustment; the preparation method uses Mo2C powder, TiC powder, ZrC powder, NbC powder, TaC powder and graphite as raw materials, adds stearic acid as ball milling media, and grinds in a WC ball mill jar to obtain mixed powder; then the mixed powder is pressed into shape and hot-pressed and sintered; after sintering, it is cooled to obtain the target product. This invention successfully synthesized a series of high-entropy carbide ceramics with different Mo contents by adjusting the Mo content and preparation process. Testing showed that the mechanical properties, oxidation resistance, and high-temperature tribological properties of this series of high-entropy ceramics all showed a regular change with increasing Mo content, and the oxides generated by Mo at high temperature had a synergistic lubricating effect, reducing the friction coefficient and thus improving the tribological properties of high-entropy carbides. This not only expands the high-entropy carbide system but also gives it potential application prospects in extreme and harsh working conditions such as high temperature and high load.