2118 results about "Transmission equipment" patented technology

A quantum key delivery system in which a first transmission device phase modulates a first polarization component of two orthogonal polarization components in transmitted light and modulates a second polarization component, which is the other polarization component, into a signal indicating the second random number sequence, based on a first random number sequence indicating the bit sequence to be transmitted and the second random number sequence indicating the base in the phase modulation of the bit sequence to be transmitted; and a second transmission device separates orthogonal polarization modes in the received light and extracts a clock timing from the signal indicating the second random number sequence.

The invention discloses a power equipment fault prediction method based on multi-modal data and related equipment, and belongs to the technical field of intelligent monitoring and fault prediction of power equipment, and the method comprises the steps: collecting and preprocessing the multi-modal operation data of the power equipment; extracting features of the preprocessed multi-modal operation data and performing global feature fusion to obtain multi-modal features; inputting the multi-modal features into a pre-trained fault prediction model to obtain a fault category and an occurrence probability of the power equipment; the fault prediction model is obtained by inputting the multi-modal features into a hybrid neural network for training. Multi-modal operation data of power equipment is collected, key features are extracted by using a deep learning model, multi-modal data fusion is performed, and a fault prediction model is constructed based on a hybrid neural network. Real-time fault early warning and maintenance suggestions are provided, the operation reliability of power equipment is improved, the unplanned shutdown risk is reduced, and the method is suitable for health management of transformer substations, high-voltage power transmission equipment and wind generating sets.

A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. A point cloud data reception method according to embodiments may comprise the steps of: receiving the bitstream including the point cloud data; and decoding the point cloud data.

Disclosed is an assembly for a turbomachine comprising: ⋅—a second connection element (8) having a third end (81) which is connected to a turbine shaft (2) and is mounted on a second bearing (5), and a fourth end (82) connected to a mechanical transmission device (6), the second connection element (8) having a second radial compliance (SR2); and ⋅—a third connection element (9) having a fifth end (91) fixedly mounted on a casing (1), and a sixth end (92) connected to the mechanical transmission device (6), the third connection element (9) having a third radial compliance (SR3), wherein a ratio of the first radial compliance (SR1) to the third radial compliance (SR3) is strictly lower than 10% and / or a ratio of the first radial compliance (SR1) to the second radial compliance (SR2) is strictly lower than 4%.

The invention relates to the technical field of digital twinning, in particular to a hub type transmission device composite material performance prediction method based on digital twinning, which comprises the following steps: acquiring geometric information of a hub type transmission device, constructing a digital twinning analysis model, acquiring working condition information, dynamic balance parameters and corresponding response characteristics of the hub type transmission device in real time by using various sensors, and calculating the performance of the hub type transmission device. And establishing association mapping of geometric morphology, material characteristics and mechanical parameters, and generating a model parameter set. According to the method, through dynamic correlation mapping of geometric information, material characteristics and mechanical parameters and in combination with real-time working condition data, accurate simulation of the running state of the hub device is achieved, the precision of material wear trend prediction is optimized, the accuracy of crack propagation trend analysis is improved, and the fatigue damage rate is analyzed through the crack stress gradient and the fatigue damage rate. The reliability of material life prediction is remarkably enhanced, the material performance degradation level under the influence of multiple factors is quantified, and the accuracy of service performance evaluation of the hub type transmission device composite material is improved.

A wireless power transmission apparatus for induction heating includes: a working coil configured to change operation based on selection of a mode of operation from among a plurality of operating modes, the plurality of operating modes including a wireless power transmission mode configured to wirelessly transmit power and a heating mode configured to heat one or more objects, an inverter configured to output, to the working coil, current at an operation frequency, and a controller. The controller is configured to calculate an eccentricity degree between the working coil and a reception coil of a target object, and control, in the wireless power transmission mode, the operation frequency based on the calculated eccentricity degree while performing wireless power transmission to the target object.

The embodiment of the invention provides a wafer box transmission device of a vertical furnace, the wafer box transmission device is close to the vertical furnace, receives a wafer box transmitted by a crown block and transmits the wafer box to a target position in the vertical furnace, the wafer box transmission device comprises a bearing platform, a telescopic arm and a wafer box detection mechanism, when the wafer box is placed on the bearing platform, the telescopic arm detects the wafer box on the bearing platform; after the wafer box detection mechanism detects that no wafer box is placed at the target position, the bearing table is controlled to contract to make up the working space of the telescopic arm, and the lifting mechanism drives the telescopic arm to ascend, so that a clamping mechanism of the telescopic arm clamps the wafer box and then lifts the wafer box from the bearing table, and the wafer box is conveyed into the vertical furnace in the stretching direction through stretching of the telescopic arm; and placing on a target position. Through the telescopic design of the telescopic arm, the occupied area can be reduced, the safety is improved through the sensor and the like, the device can be suitable for different types of wafer cassettes, the transmission efficiency is improved, and the adaptability is high.

A wireless communication apparatus and method using probabilistic constellation shaping in connection with modulation. A wireless transmission device may determine a sequence of amplitude symbols from a sequence of information bits using a distribution matcher (DM) configured for probabilistic amplitude shaping. The device may further apply error correction coding to encode an information block corresponding to at least a portion of the sequence of amplitude symbols. And the device may generate a sequence of output symbols for transmission based on the encoded information block. The device may apply interleaving to one or more of the sequence of amplitude symbols, the information block, the encoded information block, or a combination of the sequence of amplitude symbols and the encoded information block, for the generating of the sequence of output symbols.

Methods and apparatuses for drying and charging electronic devices are disclosed. An exemplary method comprises: generating a first air flow, using a first pressure-generating device, through a first air path connecting a drying chamber, the first pressure-generating device, a first heat sink, and a moisture-collecting device; activating a thermoelectric system thermally connected to a thermal transfer device, wherein the thermoelectric system has a first polarity; generating a second air flow, using a second pressure-generating device, through a second air path connecting the second pressure-generating device and a second heat sink; generating an electrical current, by engaging the portable electronic device and a power source; generating a third air flow, using the first pressure-generating device, through the first air path; activating the thermoelectric system, wherein the thermoelectric system has a second polarity; and generating a fourth air flow, using the second pressure-generating device, through the second air path.

A point cloud data transmission method according embodiments comprises a step for encoding point cloud data including the geometry and attributes, the geometry being information indicating the positions of the points of the point cloud data, and the attributes including one or more among the color and reflectance of the points, wherein the encoding step comprises: a step for converting the coordinates representing the positions of the points; and a step for transmitting a bitstream including the encoded point cloud data. The point cloud data transmission method can encode and transmit the point cloud data.

The invention provides an intelligent suspension conveying device, one support is provided with a lubricating assembly used for automatically spraying lubricating oil to conveying equipment, the lubricating assembly is provided with an anti-dripping assembly used for automatic wiping after the lubricating oil is sprayed, and the intelligent suspension conveying device relates to the technical field of intelligent suspension equipment. According to the intelligent suspension conveying equipment, the lubricating assembly is arranged below the intelligent suspension conveying equipment, the function of regularly and automatically spraying lubricating oil to transmission equipment of the intelligent suspension conveying equipment is achieved, and the convenience and efficiency of equipment lubricating are improved. After spraying, redundant lubricating oil can fall into the oil receiving box to be effectively collected, random dripping of the lubricating oil is avoided, and therefore the working environment is kept clean and tidy. In the spraying process, the transmission equipment does not stop and continuously rotates, in the rotating process, the anti-dripping assembly can wipe redundant lubricating oil on the transmission equipment, the risk that residual oil on the transmission equipment drips to the ground is thoroughly eliminated, and the cleanliness and safety of the equipment are further improved.

The invention discloses a predictive maintenance algorithm for transmission equipment, and relates to the technical field of maintenance of the transmission equipment, in particular to a roller conveying system applied to flexible materials, which is characterized by comprising the following steps: S1, arranging position triggers at key transition nodes of a roller conveyor for acquiring timestamps of the materials passing through detection points in real time, generating a unique number and a corresponding time sequence relationship for each material; and S2, standard material passing time is calculated based on the theoretical beat period, the difference between the actual time and the standard period is calculated, and a beat offset set is constructed to reflect the conveying beat deviation of the materials between the adjacent detection points. According to the method, early warning and intelligent regulation and control of flexible material conveying rhythm imbalance are achieved through rhythm offset modeling, abnormal aggregation recognition and root cause diagnosis, compression bandwidth and driving time delay are dynamically adjusted when the imbalance risk occurs, the accumulation risk is effectively relieved, and the system stability, the automation level and the operation efficiency are improved.

A drive unit for a steer-by-wire system for a vehicle having a motor for providing a drive power to a control rod of the wheel actuator. A sensor device determines the position of the control rod, wherein the sensor device has a first sensor unit and at least one second sensor unit. The first sensor unit is designed to detect an angle of a rotor shaft of the motor, and the second sensor unit is designed to detect an angle of an auxiliary shaft which is mechanically operatively connected to the rotor shaft. A transmission device provides the mechanical operative connection between the rotor shaft and the auxiliary shaft. A controller actuates the sensor device and / or determines the position of the control rod of the wheel actuator. The first sensor unit and second sensor unit use different measuring principles.

An automated storage and retrieval system includes: an automated storage including racks each of which includes shelf units in tiers in a vertical direction, where each shelf unit can store loads, and transport vehicles each of which moves along the corresponding ones of shelf units and includes a first transfer device that transfers a load to and from each rack; relay devices each of which transports a load transferred by the first transfer device in a corresponding one of the transport vehicles; and a lift and transport device that includes a second transfer device that transfers a load to and from each relay device, and raises or lowers the second transfer device. The second transfer device includes at least one arm that extends to a route along which the relay device transports a load, and transfers a load based on forward or backward movement of the at least one arm.

A power receiving apparatus capable of receiving power transmitted from a power transmitting apparatus capable of executing first foreign object detection and second foreign object detection, transmits, to the power transmitting apparatus, data to be used by the power transmitting apparatus to execute the first foreign object detection; before transmitting the data, determines whether a predetermined condition for the power transmitting apparatus to execute the second foreign object detection different from the first foreign object detection is satisfied; and transmits, to the power transmitting apparatus, a signal for causing the power transmitting apparatus to execute the second foreign object detection in accordance with the determination.

The invention discloses a pressure sensor zero drift compensation method and system for a high-voltage direct-current converter valve cooling system, and relates to the technical field of monitoring and calibration of high-voltage direct-current transmission equipment. The method comprises the following steps: constructing a multi-factor coupling drift model taking temperature, vibration frequency and electromagnetic interference intensity as inputs; environment parameters and pressure signals are collected in real time, and reference pressure signals are collected regularly; short-term dynamic compensation is realized based on model prediction and reference deviation correction; updating the model through incremental learning according to the drift trend; and real-time monitoring and abnormal early warning are carried out. The system comprises a multi-parameter acquisition unit, a data processing unit, a reference pressure generation unit and a communication unit. According to the method, shutdown calibration is not needed, the compensation precision is improved by 75% or above, the calibration period is prolonged to 12 months, meanwhile, the method has the abnormal diagnosis and standby compensation functions, measurement continuity is guaranteed, compatibility is high, industrial popularization is easy, and the method is particularly suitable for being used in a complex environment.

A wireless power transmission apparatus for transmitting wireless power to a wireless power reception apparatus, according to an embodiment of the present specification: transmits wireless power to the wireless power reception apparatus by means of magnetic coupling to the wireless power reception apparatus at an operating frequency; communicates with the wireless power reception apparatus by using at least one of in-band communication using the operating frequency and out-band communication using BLUETOOTH® communication; performs an authentication step with the wireless power reception apparatus to increase the level of the wireless power being transmitted to the wireless power reception apparatus; and includes, in a BLUETOOTH® packet, an authentication message required in the authentication step, and transmits the included authentication message to the wireless power reception apparatus via the BLUETOOTH® communication.

The invention relates to the technical field of power operation and maintenance management, and particularly discloses a power operation and maintenance big data-based monitoring method and system, and the system comprises a data collection and transmission module, a data storage and processing module, a remote monitoring and alarm module, a data analysis and prediction module, and an optimization decision and maintenance module. A power grid acquisition device is arranged on an electric power operation and maintenance site, operation parameters, state parameters and environmental parameters of electric equipment are acquired in real time, data are efficiently and stably transmitted to a server for storage and processing by utilizing data transmission equipment and a bus technology, comprehensiveness and real-time performance of the data are ensured, and a fault prediction probability formula is calculated to obtain a fault prediction result. Historical fault rates and regional importance scores are comprehensively considered, potential fault regions are recognized in advance, preventive measures are taken in time, an energy consumption efficiency index formula is utilized, the energy consumption level of electric equipment is quantitatively evaluated, high-energy-consumption equipment is recognized, energy conservation improvement is guided, and energy conservation and consumption reduction are assisted.

The utility model discloses a sorting mechanism based on high-speed and low-speed beveled belt lines. The sorting mechanism comprises an edge-folding belt line, a high-speed transition belt line, a high-speed beveled belt line, a low-speed beveled belt line and an output belt line. The two 45-degree beveled belt lines are transversely spliced, and the side-by-side products are pulled apart by a certain distance according to the sequence that the side-by-side products make contact with beveled openings and the difference of the transmission speeds of the two adjacent beveled belt lines; when the products pass through a high-speed transition belt line, the product spacing is further increased to the required distance through differential speed; and finally, under the combined action of the output belt line and the edge-trimming belt, the products are subjected to edge-trimming according to a certain sequence and speed, the purpose of sorting the products is achieved through cooperation with subsequent conveying equipment, and the height of the mounting frame and the height of the edge-trimming belt line can be conveniently adjusted so as to be suitable for conveying the products of different sizes.

A non-transitory computer-readable medium, method and system, the system including processing circuitry. The processing circuitry is to generate a first matrix, perform an incident cycle optimization process using the first matrix to generate a modified first matrix, and perform an encoder gate optimization process using the modified first matrix to generate a further modified first matrix. Processing circuitry is then to generate a second matrix including the further modified first matrix as a submatrix of the second matrix, perform the incident cycle optimization process using the second matrix to generate a modified second matrix, and perform the encoder gate optimization process using the further modified first matrix and the modified second matrix to generate a further modified second matrix. Processing circuitry then configures a transmitting device that receives and encodes transmission data the using the further modified first matrix and further modified second matrix, and transmits the encoded transmission data.

Disclosed herein are a point cloud data transmission method including encoding point cloud data, and transmitting point cloud data, and a point cloud data reception method including receiving point cloud data, decoding the point cloud data, and rendering the point cloud data.

The invention discloses BFS automatic cutting equipment in the technical field of packaging machinery. The BFS automatic cutting equipment comprises a first conveying mechanism, a second conveying mechanism and a third conveying mechanism. The second conveying mechanism comprises chain plate conveying equipment and a plurality of limiting stop blocks arranged on the chain plate conveying equipment, the multiple limiting stop blocks are sequentially arranged at intervals in the conveying direction of the chain plate conveying equipment, and a discharging cavity is formed between every two adjacent limiting stop blocks. The first conveying mechanism is used for sequentially conveying medicine bottle sets into the multiple discharging cavities. A first driving piece stretches out and draws back to drive a connecting rod to drive two guide plates to horizontally swing, the two guide plates are aligned to two material channels back and forth, the two material channels are aligned to the connecting rod, a material pushing mechanism and a material cutting mechanism are arranged on the two sides of the chain plate conveying equipment correspondingly, and a first detector and a second detector are arranged on the chain plate conveying equipment. The medicine bottle sets are guided into the two material channels in turn, so that the medicine bottle sets are conveyed in the two material channels at the same time and are fed to the discharging cavity, and the working efficiency is improved.

In a wireless communication system, a transmission device may transmit semantic data. The transmission device may: transmit a first semantic message including the semantic data to a reception device; receive a first semantic feedback for the first semantic message from the reception device; and on the basis that a result included in the semantic feedback does not agree with the result intended by the transmission device through the first semantic message, transmit a second semantic message including first redundancy data related to the semantic data to the reception device.

The invention belongs to the technical field of power transmission and transformation project construction, and provides an ecological environment protection method and system for a power transmission and transformation project, which can construct a frequency portrait of a bird flapping behavior in real time by fusing multiple technical means such as high-frame-rate visual perception, target tracking, individual flapping frequency extraction and frequency domain behavior modeling. The operation state of the rotating device is adaptively adjusted according to a frequency interference similarity principle, so that high-frequency phase dislocation disturbance with the most interference effect is triggered at the moment when birds enter a key critical area, the flight rhythm and the path recognition capability of the birds are effectively damaged, and the birds are promoted to deviate from a flight path of a power transmission equipment area; birds can be prevented from approaching a lead area in time, and the risks of short-circuit tripping, biological casualties and other events caused by the fact that the birds strike the lead are remarkably reduced.

Disclosed herein is a method of transmitting point cloud data. The method may include encoding geometry data of the point cloud data, encoding attribute data of the point cloud data based on the geometry data, and transmitting the encoded geometry data, the encoded attribute data and signaling data, the geometry encoding includes splitting the geometry data into one or more prediction units, and inter-prediction encoding the geometry data by selectively applying a motion vector to each of the split prediction units, and the signaling data includes information for identifying whether the motion vector is applied for each prediction unit.

A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. In addition, a point cloud data transmission device according to embodiments may comprise: an encoder which encodes point cloud data; and a transmitter which transmits a bitstream including the point cloud data. In addition, a point cloud data reception method may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data. In addition, a point cloud data reception device may comprise: a reception unit which receives a bitstream including point cloud data; and a decoder which decodes the point cloud data.

The invention discloses wafer transmission equipment, which comprises a module body, a placement table, a moving mechanism, a telescopic mechanism and a gripper, and is characterized in that the module body comprises a shell and a loading table in butt joint with the shell; the placing table is fixedly connected with the shell and is located in front of the shell together with the loading table. The moving mechanism is located in front of the placing table, and a transmission channel for the wafer box to walk is arranged between the moving mechanism and the placing table. The telescopic mechanism is connected with the moving mechanism and can move in the left-right direction and the up-down direction under the driving of the moving mechanism, the telescopic mechanism comprises a telescopic arm and a balance block, and the sliding arm and the balance block synchronously and reversely move in the front-back direction under the driving of the driving assembly; the sliding arm comprises a connecting part and an overhanging part which is located behind the connecting part and can backwards extend out of the seat plate. The gripper is fixed on the lower surface of the overhanging part, and the gripper is provided with a groove for the embedding of the bearing projection of the wafer box. The wafer transmission equipment can store more wafer cassettes, and can realize stable carrying of the wafer cassettes.

The invention discloses an electric energy meter sorting detection method and system of an intelligent sorting platform, and relates to the technical field of electric power systems. The problem that existing electric energy meter sorting detection is low in accuracy is mainly solved. The method mainly comprises the steps of obtaining all pre-configured detection nodes in the intelligent sorting platform, and performing alignment processing on detection lag parameters, detection objects and detection trigger conditions in the detection nodes to obtain standardized detection nodes; when the sorting task list is received, a detection target of the electric energy meter in the sorting task list is analyzed, and the detection target is used for representing an extreme value or a numerical range of the detection object passing through the detection; when it is detected that the electric energy meter is placed on the sorting transmission equipment, sorting operation data and sorting image data of the detection node are obtained; and carrying out combined identification on the sorting operation data and the sorting image data according to the detection lag parameter, the detection object and the detection target to obtain a sorting detection result of the electric energy meter. The method is used for sorting and detecting electric energy meters.

The invention belongs to the technical field of industrial safety monitoring, and provides a thermal power plant field operation safety identification alarm system, which comprises image acquisition equipment, network transmission equipment, an image identification unit and monitoring terminal equipment, the image acquisition equipment is used for acquiring video data of field operation; the image recognition unit is used for converting the video data into to-be-input image data and extracting key image data in the to-be-input image data; inputting the key image data into a target detection model to obtain an image recognition result; if the image recognition result is that the personnel violation behavior and / or the environment hidden danger state are included, determining an abnormity type, occurrence time, an occurrence place and image evidence; generating alarm information, and sending the alarm information to a monitoring terminal device; and the monitoring terminal equipment is used for displaying the alarm information and forwarding the alarm information to the mobile terminal equipment of the remote management personnel. According to the system provided by the invention, the identification precision, efficiency and convenience of the field operation safety of the thermal power plant are improved.

A kind of power device parallel type power module and capacitor charging and discharging method, power module includes two or more than pressure type power device, the two or more than pressure type power device adopts the physical form of half bridge group string upper and lower parallel;The half bridge group string of the pressure type power device is connected in parallel by silicon pile composite busbar;Each power module is provided with pneumatic short-circuit switch, in the case of multiple power module series connection, the pneumatic short-circuit switch is connected in series with all DC capacitors, and charging and discharging is carried out through the ground loop of flexible AC transmission equipment AC, DC valve side;The pneumatic short-circuit switch is connected with gas driving pipeline, and the gas driving pipeline is connected with valve-based gas pressurizing device.The power module can effectively improve the capacity of flexible AC transmission equipment, so that it has short-time frequency modulation capacity output, provides technical scheme support for new power system construction, and guarantees system safety and stability;The provided capacitor charging and discharging method can improve maintenance efficiency and enhance product reliability.