18results about How to "Simple path" patented technology

The invention relates to a star chain satellite communication load forwarding system and forwarding method. The system comprises a service signal forwarding module and a channel associated measurement and control forwarding module. The service signal forwarding module comprises a forward service signal forwarding unit and a reverse service signal forwarding unit which are parallel to each other; the channel associated measurement and control forwarding module comprises an uplink channel associated measurement and control forwarding unit and a downlink channel associated measurement and control forwarding unit which are parallel to each other; wherein the reverse service signal forwarding unit and the downlink associated measurement and control forwarding unit are combined through a multi-port network and jointly use the solid amplifier component; and the forward service signal forwarding unit and the uplink associated measurement and control forwarding unit are combined through a combiner and jointly use a signal processing component. According to the designed system, communication load and satellite measurement and control are integrated at the same time, all units in the system are subjected to parallel design, part of components are used together, and on the basis that the signal transmission efficiency is not reduced, redundant components are reduced, so that the size and weight of the system are reduced.

The invention provides a parking path planning method and device, a storage medium and an electronic device, and the method comprises the steps: determining the parking direction of a vehicle, and obtaining the environment perception information of the vehicle before parking; a path end point channel of the vehicle is calculated according to the parking-out direction and the environment perception information, and the path end point channel corresponds to the distribution range of path end points of a parking-out path of the vehicle; and planning a parking path meeting a collision constraint condition based on the path end point channel. According to the embodiment of the invention, the technical problem of low flexibility of planning the parking path of the vehicle in related technologies is solved, the flexibility of planning the parking path is improved, and the planning success rate of the parking path is also improved.

The invention provides a multi-constraint robot joint space path planning method. The multi-constraint robot joint space path planning method comprises the following steps: randomly sampling in a robot joint configuration space by adopting heuristic node search to generate new nodes, and adding the new nodes into a path tree; dynamically adjusting a neighbor radius threshold according to the number of nodes; the connection cost between the generated new nodes and existing nodes in the path tree is calculated according to the node path cost, the connection with the minimum cost is selected, and the node path cost comprises the distance cost, the collision risk cost and the joint mutation cost; executing path rewriting and reconnecting operations in the path tree; and when the generated nodes reach a target point or meet a specific stop condition, backtracking from the target point to the starting point, and forming an initial path PA according to a connection relationship among the nodes. According to the multi-constraint robot joint space path planning method, the initial path which is free of collision risk, low in energy consumption, small in joint mutation and high in operation speed can be rapidly generated.

The invention discloses a PMSM motor controller hardware in-loop test method, S1, U, V, W three-phase temperature, adopts a table lookup method to obtain different temperatures; S2, the motor temperature adopts a voltage simulation method, and the voltage value at different temperatures is obtained by table lookup; S3, when the flux is debugged, a given fixed flux is added to obtain a table lookup flux, and it is displayed in a fixed two-fold relationship, so that a table lookup value can be obtained when a fixed value is given; S4, a one-dimensional array method is used to look up the table, and Ld is obtained by using Id to look up the one-dimensional data table, and Ld is obtained by using Iq to look up the one-dimensional data table; S5, a method in which the flux parameter and the inductance parameter fixed value and the table lookup value are selectable is adopted, and the parameter fixed method is first used for testing during the debugging process. The invention is conducive to improving the debugging efficiency of the controller.

The invention belongs to the technical field of automobile parts, and relates to an automobile connector with compatibility protection. The gap between the connector sealing rib (1f) and the upper shell groove (4d) is filled with the upper sealant (4e), or the upper shell groove (4d) is not coated with the upper sealant (4e); the connector sealing surface (1h) is coated with a lower sealant (5c), the lower bottom plate sealing surface (5b) is coated with a lower sealant (5c), and after the ECU lower bottom plate (5) is assembled, the lower sealant (5c) fills a gap between the connector sealing surface (1h) and the lower bottom plate sealing surface (5b), or the lower sealant (5c) is not coated between the lower bottom plate sealing surface (5b) and the connector shell (1). According to the automobile connector with the compatibility protection function, protection requirements of different levels are met according to actual application, and the problems that waste is caused when a high-protection-level connector is applied to a low-requirement automobile model and the low-protection-level connector cannot be applied to the high-requirement automobile model are solved; and the method can be applied to different automobile ECUs and other products according to different requirements.

The application discloses a sliding door lock system and relates to the technical field of sliding door lock arrangement. The sliding door lock system comprises an outer opening assembly, an inner opening assembly and a lock body. The outer opening assembly comprises a base, an outer opening handle arranged on one side of the base, a pin shaft arranged in the base, a first torsion spring arranged on the pin shaft and an outer opening rotating arm arranged on one side of the base. The inner opening assembly comprises an inner opening bottom plate, an inner opening rotating arm arranged on one side of the inner opening bottom plate, a rotating shaft arranged in the inner opening bottom plate and an inner opening handle arranged on one side of the rotating shaft. The application has the beneficial effect of omitting the conversion link of the inner opening device and directly controlling the lock body by the inner and outer opening handles. In order to realize the function, the outer opening handle assembly is improved to connect two cables to synchronously control the unlocking functions of the two lock bodies. A newly developed inner opening handle assembly is composed of a handle, a rotating shaft, a bottom plate, a rotating arm and other components and connects two cables to control the unlocking functions of the two lock bodies.

The utility model relates to a kind of double self-locking button switch, including shell, the base fixed in the lower end of shell, button and spring seat being movably matched in the upper side of shell and being movably set in shell and being connected with button, self-locking mechanism is equipped in the left and right sides of spring seat, static contact piece is fixedly connected on base, installation slot is opened in spring seat, dynamic contact piece is slidably matched in installation slot, abutting spring for holding dynamic contact piece downward is further equipped in installation slot and located above dynamic contact piece, LED circuit board is fixedly arranged on the upper side of spring seat, LED circuit board is equipped with the LED lamp bead located in the lower part of button, abutting spring is electrically connected with LED circuit board, the utility model directly utilizes abutting spring and directly electrically connected with LED circuit board, reduces the number of components, reduces manufacturing cost and structural complexity, when dynamic contact piece and static contact piece abut, circuit conduction LED lamp bead emits light, so that user can more intuitively understand the working state of button switch.

The application discloses a kind of double host electronic glasses and its image acquisition, processing and display method, belong to image processing technical field, a kind of double host electronic glasses, including: glasses frame, monocular vst perspective unit and the power supply unit compatible with monocular vst perspective unit, the monocular vst perspective unit is equipped with two groups, and two groups monocular vst perspective unit respectively independently handles the image of left and right eyes, the monocular vst perspective unit includes, display component, the display component includes optical module and micro display screen;Sampling component, the sampling component includes corresponding camera module with display component;Soc host unit, the Soc host unit undertakes corresponding monocular image processing task;Realize the frame level synchronous display and the relatively synchronous display of degradable under the premise of not forwarding image data of double eyes, to ensure that electronic glasses can still maintain at least single eye real-time picture output under abnormal condition, high-speed data link is equipped between the Soc host unit.

The utility model relates to a smoking set, and relates to the technical field of smoking sets. When a smoker smokes, external air enters the air inlet cavity through the air inlet channel and then enters the heating cavity communicated with the air inlet cavity, and the heating assembly heats the air to provide heated air for follow-up cigarette baking. The second channel section is provided with a first end and a second end which are oppositely arranged in the extending direction of the second channel section, and the second end is connected with one end of the first channel section; the first end is located on the downstream of the second end in the direction from the heating cavity to the air inlet cavity. Thus, impurities are not prone to falling into the second channel section, the risk that the impurities fall into the air inlet channel is reduced, then the risk that the air inlet channel is blocked is reduced, air can enter the air inlet cavity only through the first channel section and the second channel section, the path that the air enters the air inlet cavity from the outside is simplified, and the air inlet efficiency is improved. And outside air can flow into the second channel section more smoothly through the first channel section, so that the smoking experience feeling of a smoker is improved.

The invention discloses a small home nursing machine with a simple structure, which comprises a box body, a dirt holding barrel, a negative pressure device, an air purification device, a first water pump and a second water pump, the dirt holding barrel is arranged on the outer side of the box body and is detachably connected with the box body, a water tank is arranged in the box body, the air purification device is arranged in the box body and is communicated with the negative pressure device, and the first water pump is communicated with the second water pump. The negative pressure device is arranged in the box body and is communicated with the sewage containing barrel, the first water pump and the second water pump are arranged in the box body and are communicated with the water tank, a water inlet and a water outlet are formed in the box body, the first water pump is communicated with the water inlet, and the second water pump is communicated with the water outlet. The dirt containing barrel can be conveniently fixed on and taken out of the box body, dirt in the dirt containing barrel can be conveniently cleaned, the whole structure is greatly simplified, and the production cost of the whole structure is greatly reduced. By arranging the air purification device, waste gas in the pollutant containing barrel can be purified, exhaust of the waste gas is avoided to a great extent, and the nursing environment is greatly improved.

The embodiment of the invention provides an object processing method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a to-be-shared object; displaying a selection page; in response to a selection operation for selecting a target object on the page, determining the selected target object; and sharing a to-be-shared object with the selected target object, the to-be-shared object including description information and allowing the target object to obtain the target object from the to-be-shared object, and the target object being an equivalent of the article. According to the technical scheme, the selected target object is determined by responding to the selection operation of the target object on the selection page, the obtained to-be-shared object can be shared with the target object, the path for sharing the to-be-shared virtual object can be simplified, and the data processing amount of the electronic equipment can be reduced.

The invention discloses 2, 6-dipicolinic acid synthase PmDpa and application thereof, and the amino acid sequence of the 2, 6-dipicolinic acid synthase PmDpa is shown as SEQ ID NO. 1. The invention also discloses a preparation method of the 2, 6-dipicolinic acid synthase PmDpa. The invention discloses the gene sequence of the DPA synthase PmDpa in paecilomyces megaterium for the first time, designs excavation, cloning, expression and purification of the DPA synthase in a paecilomyces megaterium genome to obtain the DPA synthase PmDpa, and further verifies the application of the DPA synthase PmDpa in catalytic synthesis of 2, 6-dipicolinic acid.

The invention relates to antenna equipment, in particular to a plugging-free and slip-ring-free antenna cable, a coiling device, antenna equipment and a lifting method thereof, and aims to overcome the defect that the wide application of an anti-interference antenna array is limited by the contradiction between the cost and the performance of a slip ring. The antenna cable and winding device comprises a base, a winding assembly, a lifting assembly, a top mounting plate and a cable, according to the invention, a traditional slip ring is replaced by a mechanical structure, so that the dependence on high-cost components is reduced; the cable path is simple and direct, the transmission of electric signals is more stable, and insertion loss and signal interference possibly generated by components such as cable joints and connectors are reduced; in addition, the number of the radio frequency cables is not limited by the number of the slip rings and the number of the connectors, and the expansibility of the system is improved.

This utility model discloses a ventilation system for a radioactive control area and a nuclear power plant. The ventilation system, used for air exchange in the radioactive control area, includes a first sub-chamber, a second sub-chamber, an air intake unit with a first air intake branch, and an exhaust unit with a first exhaust branch. The radioactivity intensity of the first sub-chamber is higher than that of the second sub-chamber. Both the first air intake branch and the first exhaust branch extend from the first sub-chamber into the second sub-chamber along the gas flow direction. Both the first air intake branch and the first exhaust branch are connected to one of the first and second sub-chambers, and the portion of the first air intake branch and the first exhaust branch located in the other sub-chamber is configured as an airtight duct. This utility model, through the directional extension of the air intake and exhaust branches combined with a partially sealed structure, directly controls the airflow path without adjusting the regional layout, thus making it suitable for scenarios in nuclear power plants where radiation zones are interleaved due to process requirements.

The utility model relates to the technical field of metamorphic robot, specifically disclose a multi -angle spacing's bionic metamorphic mobile robot, including support frame, its side surface fixedly connected with drive motor, the support frame is recessed type design, and the support frame inner wall is provided with transmission screw rod, both ends outer surfaces of transmission screw rod all install adjusting slide block. This multi -angle spacing's bionic metamorphic mobile robot, through transmission screw rod both ends reverse thread design, drive motor drives screw rod rotation, adjusting slide block synchronous reverse movement, through the linkage action of first linkage link and second linkage link, make spacing clamping plate realize open -and -close action, can adjust the clamping range according to object shape or environmental angle, the spring connection between support slide and support frame makes it elastic sliding when contacting object, drive the self -adaptation of the fitting baffle to adhere to irregular surface, cooperate hydraulic push rod and adjust two support frame spacing, realize multidirectional, multi -angle flexible spacing.

The invention belongs to the technical field of functional materials, and discloses a cobalt-based MOF crystal material and a preparation method and application thereof. The molecular formula of the cobalt-based MOF crystal material is [Co (H3TPPE) x (H3TTPE) y (HCOO)], wherein the value of x and the value of y meet the condition that x + y = 1; the H3TPPE is partially deprotonated 1, 1, 2, 2-tetra (4-(1H-pyrazol-4-yl) phenyl) ethylene, and the H3TPPE is partially deprotonated 1, 1, 2, 2-tetra (4-(1H The H3TTPE is partially deprotonated 1, 1, 2, 2-tetra (4-(1H-tetrazole-4-yl) phenyl) ethylene, and the structural formula of the H3TTPE is shown in the description. According to the cobalt-based MOF crystal material, through the synergistic effect of the two nitrogen heterocyclic ligands, while a large number of strong adsorption sites are introduced, the problem of pore channel blockage possibly caused by too dense functional sites is avoided, high porosity and a good gas diffusion channel are successfully kept, the material shows excellent adsorption capacity to gas (CO2) at normal temperature and normal pressure, and the cobalt-based MOF crystal material has good application prospects. The specific application potential is realized in the field of carbon capture.

This invention relates to the field of fluid transport equipment technology, specifically to a suspension transport system. The suspension transport system provided by this invention includes a cylinder lifting mechanism, a cylinder assembly, a piston assembly, a tank, and a switching valve assembly. The tank contains liquid, and the top and bottom of the tank are respectively provided with a first opening and a second opening. The switching valve assembly is sealed and installed at the second opening at the bottom of the tank. The cylinder assembly includes a cylinder shell and a straight pipe section connected in sequence. The straight pipe section is located at the bottom of the cylinder shell and extends from the first opening at the top of the tank into the interior of the tank. This suspension transport system is less prone to clogging when transporting mixed suspensions formed by solvents, particles, and water, and has a simple structure and is easy to maintain.