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468results about How to "Reduced mobility" patented technology

Rectangular material follow-up sorting, mixing and stacking method and system

The invention relates to the technical field of intelligent sorting and stacking, in particular to a rectangular material follow-up sorting, mixing and stacking method and system.The method comprises the steps that information of a plurality of actual rectangular materials is obtained; analyzing and classifying the actual rectangular material information to obtain a classification result; a preset stacking strategy is determined based on the stacking disc information and the sorting result; whether the target rectangular material meets a preset grabbing condition or not is recognized, and grabbing or next-time grabbing is conducted based on the recognition result; calculating a preset stacking position based on the target material information and a three-dimensional boxing algorithm; a target rectangular material model is generated based on the target material information, a preview stacking model is generated based on the target rectangular material model and a preset stacking position, the preview stacking model is analyzed, the dumping risk is judged, and the preset stacking position is adjusted based on the dumping risk; and the actual stacking layout of the stacking disc is analyzed, and whether material sorting, mixing and stacking are completed or not is determined based on the analysis result. The efficiency of the stacking process is improved.
Owner:CHINA ACADEMY OF INFORMATION & COMM

Row type chain type combined tool magazine and tool changing method thereof

The invention relates to the technical field of chain-type combined tool magazines, in particular to a row-type chain-type combined tool magazine and a tool changing method thereof.The row-type chain-type combined tool magazine comprises a translation mechanism for supporting and driving a tool changing arm mechanism to reciprocate for tool changing and a plurality of chain-type tool magazines arranged on a sliding track where the translation mechanism is located; the multiple chain type tool magazines are arranged in a row in the direction away from the main shaft and are arranged on the same side of the translation mechanism in the sliding direction with the main shaft. The axes of a plurality of tools of the chain type tool magazine are located in the same plane, and a vacant tool position is reserved on a chain of the chain type tool magazine. And the translation mechanism drives the tool changing arm mechanism to sequentially pass through the empty tool positions on the multiple chain type tool magazines to take tools from the selected chain type tool magazines. The axes of tools in the chain type tool magazines are located in the same plane, the tool changing space needed between the adjacent tool magazines is reduced, the occupied area of equipment is reduced, the moving times and distance of a tool changing arm in the tool changing process are reduced due to the empty tool position, the tool changing path is simplified, and the tool changing speed is increased.
Owner:冈田精机(常州)有限公司

Secondary battery and electronic device

The invention discloses a secondary battery and an electronic device, the secondary battery comprises a packaging bag, an electrode assembly, an electric connecting piece, a first insulating piece and a second insulating piece, the electrode assembly is located in the packaging bag, the electrode assembly comprises a main body part and a tab assembly, the tab assembly comprises a plurality of tabs, and the electric connecting piece is located outside the packaging bag and is electrically connected with the tab assembly. The tab assembly comprises a first part and a second part, the first part extends out of the main body part and is connected with the second part, the second part is bent towards the main body part, the second part and the electric connecting piece form a welding mark, and the second part comprises a first surface and a second surface. The first insulating part covers the welding mark, the second insulating part is located on one side of the thickness direction of the tab and extends to the main body part from the first surface of the second part through the first part, the thickness of the first insulating part is T1, the thickness of the second insulating part is T2, T1 is larger than T2, T1 is larger than or equal to 25 microns and smaller than or equal to 60 microns, T2 is larger than or equal to 4 microns, and the safety performance and the falling performance of the secondary battery are both considered.
Owner:NINGDE AMPEREX TECHNOLOGY LTD +1

Vehicle mobile charging control method, electronic equipment and storage medium

The invention provides a vehicle mobile charging control method, electronic equipment and a storage medium, and belongs to the technical field of new energy vehicle charging. The method comprises the following steps: receiving a mobile charging request, and determining a target parking space coordinate associated with the mobile charging request; determining at least one callable robot based on the first state information of each robot in the mobile robot set; determining at least one callable charging pile based on the second state information of each charging pile in the mobile charging pile set; determining a target robot and a target charging pile according to the first position information of each callable robot, the second position information of each callable charging pile and the target parking space coordinate; and the target robot is called to carry the target charging pile to the target parking space coordinate, so that a vehicle on the target parking space is charged through the target charging pile. The problems of low charging pile utilization rate and long user waiting time in the prior art can be solved.
Owner:BEIJING MIDEA OVERSEAS ENG & TECH CO LTD

Air purification method of household air purification robot

The invention provides an air purification method of a household air purification robot. The air purification method comprises the following steps that a microprocessor plans a patrol path of a moving unit; transmitting the detection data to a microprocessor, and performing fusion processing on the detection data through a multi-modal data fusion algorithm; combining historical detection data and sensor real-time detection data after fusion processing, and using a clustering algorithm to identify an air quality hot spot area; the air quality hot spot area, all rooms of a family and obstacles serve as nodes, a shortest path algorithm is used for conducting purification path planning of the moving unit, the moving unit covers the air quality hot spot area with the shortest path, and the microprocessor controls the moving unit to move according to the planned purification path; the microprocessor timely starts the air purification unit according to real-time detection data of the sensor. The purification efficiency and the robot utilization rate are improved, and blind movement and repeated purification are reduced.
Owner:JIAXING RES INST ZHEJIANG UNIV +1

Comprehensive rock drift rapid tunneling equipment and use method

The invention discloses comprehensive rock drift rapid tunneling equipment and a using method thereof.According to the tunneling equipment, a drilling and anchoring integrated multifunctional drilling machine is arranged on one side of a cantilever type tunneling machine body, and a temporary supporting mechanism is arranged above an oscillation cutting part; a deep hole is formed in a to-be-crushed rock by utilizing the multifunctional drilling machine, the deep hole is further expanded and cracked by utilizing the pulsating fracturing system, the strength of a rock mass is weakened, then the rock mass is milled by adopting the oscillating cutting part, and finally, the rock mass is anchored and protected by utilizing the multifunctional drilling machine and the temporary supporting device, so that a guarantee is provided for an operation environment. According to the equipment and the technology, a traditional roadway tunneling procedure is simplified into a continuous procedure, the tunneling efficiency of roadway rock mass is greatly improved, and meanwhile the cost is saved.
Owner:CHINA UNIV OF MINING & TECH

Photovoltaic power generation device adaptive to illumination angle adjustment

The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation device adaptive to illumination angle adjustment, which comprises a plurality of mounting frames, one side wall of each mounting frame is provided with a T-shaped groove, the other side wall of each mounting frame is fixedly provided with a T-shaped block, and the adjacent T-shaped blocks are matched with the T-shaped grooves in an inserted manner. The top surfaces of the mounting frames are rotatably connected with photovoltaic power generation panel bodies through hinge shafts, overturning assemblies are fixedly arranged in the middles of the mounting frames, protective blocks are arranged on the overturning assemblies, the mounting frames are mounted on the top surfaces of tripods, supporting pieces are fixedly arranged on the bottom surfaces of the tripods, and the lower ends of the supporting pieces are rotatably connected with bases; wherein a cleaning assembly is arranged on one mounting frame, and a cleaning roller is arranged on the cleaning assembly. The number of the photovoltaic power generation panel bodies can be conveniently increased or decreased to adapt to power generation requirements of different scales, assembly, disassembly and maintenance of the photovoltaic power generation panel bodies are facilitated, the use convenience and flexibility are improved, and the operation cost is reduced.
Owner:CHINA UTONE CONSTR CONSULTING CO LTD

Electromechanical equipment mounting and adjusting device

The utility model relates to the technical field of electromechanical equipment, in particular to an electromechanical equipment installation adjusting device. The technical problems that existing electromechanical equipment usually needs a positioning structure to be installed, the height adjusting range of the equipment is limited by the positioning structure due to the fact that different electromechanical equipment needs different working heights, the positioning structure needs to be frequently replaced to adapt to the installation height of the equipment during adjustment, the cost and complexity are increased, and the equipment is difficult to adjust are solved. And the performance and the installation efficiency of the equipment are influenced. According to the technical scheme, the electromechanical equipment installation adjusting device comprises a fixing frame, an adjusting assembly and a fixing assembly; the overall height of the device is adjusted along the interior of the limiting sleeve plate by adopting the movable plate to drive the screw rod, different installation requirements and environmental conditions are met, it is ensured that the movable plate can accurately stop at the needed position after adjustment, and accurate control over the height of the electromechanical equipment is achieved.
Owner:SUZHOU BONORTON ELECTROMECHANICAL EQUIP CO LTD

Precipitation supported slow-release carbon-based iron fertilizer and preparation method thereof

The invention discloses a precipitation-supported slow-release carbon-based iron fertilizer and a preparation method thereof, and the preparation method specifically comprises the following steps: firstly, putting a biological carapace heavy metal adsorbent into a calcium hydroxide solution for dipping, drying, then putting the biological carapace heavy metal adsorbent into a ferrous sulfate solution for dipping in two times, and finally drying and granulating. Precipitated ferric hydroxide, a ferrous hydroxide mixture and excessive ferric sulfate are uniformly dispersed and attached to the interiors of pore channels of the porous adsorbent, and the excessive ferric sulfate can quickly provide iron ions for antagonistic cadmium and arsenic ion absorption in the early growth stage of rice. Precipitated ferric hydroxide and ferrous hydroxide wrapped by calcium sulfate in the porous adsorbent not only can realize long-acting slow release of iron ions, but also can reduce the oxygen content of soil, and iron ion antagonism and precipitation type adsorption loading modes are carried out in the whole growth process of rice, so that the release period of the iron ions is greatly prolonged, and the soil quality is improved. The iron fertilizer disclosed by the invention has an excellent rice cadmium-arsenic antagonism effect and has an excellent application prospect.
Owner:INST OF SOIL FERTILIZER & RESOURCE ENVIRONMENT JIANGXI ACAD OF AGRI SCI

Extrusion-free stacking packaging carton

The extrusion-free stacking packaging carton belongs to the field of packaging cartons and comprises a carton body, two sets of partition plates are placed on the lower side of the inner surface of the carton body and distributed in parallel up and down, a supporting plate is arranged between the two sets of partition plates, and the supporting plate is in sliding connection with the inner surface of the carton body; a supporting assembly is arranged on the inner side of the box body and comprises a top plate slidably connected with the lower end of the inner surface of the box body, a guide groove is formed in the outer surface of the lower end of the box body, and a guide block is slidably connected to the inner surface of the guide groove. Through the arrangement of the supporting assembly, the box body on the upper side can be lifted and supported through the reinforcing plate, so that the pressure borne by the box body on the lower side can be reduced to a certain extent, the pressure resistance of the box body can be effectively improved, and the probability that the box body is deformed and damaged in the stacking process is reduced; and the integrity and the yield of the fruits in the box body can be ensured.
Owner:LINYI JINGHUA PACKAGING CO LTD

O-shaped ring whole mold full-detection equipment and detection method thereof

The invention discloses O-shaped ring whole mold full-inspection equipment and a detection method thereof. The O-shaped ring whole mold full-inspection equipment comprises a detection table; the mounting table is fixedly mounted at the top of the detection table; the translation turnover mechanism is fixedly connected to the top of the detection table; the fixing tool is fixedly mounted in the translation turnover mechanism; the detection mechanism is located at the top of the fixing tool, and the top of the detection mechanism is fixedly connected with the bottom of the mounting table; and the positioning mechanism is located at the bottom of the fixing tool, and the bottom of the positioning mechanism is fixedly connected with the top of the detection table. The invention aims to solve the technical problems that when the existing O-shaped ring detection equipment is used for detecting the surface defects of the O-shaped ring, the O-shaped ring and a die of the O-shaped ring are inconvenient to automatically turn over and discharge, and manual work is needed to participate in turning and discharging operation, so that the labor cost is increased, and the detection efficiency of the surface defects of the O-shaped ring is reduced.
Owner:HUIZHOU DUYITE PRECISION PROD CO LTD

Gold bonding wire welding method and system based on artificial intelligence optimization

The invention relates to the technical field of gold bonding wires, in particular to a gold bonding wire welding method and system based on artificial intelligence optimization. S2, constructing a grid map, and generating an initial optimal path by using an RRT algorithm; optimizing the initial optimal path by using a DWA algorithm and a bidirectional Theta * algorithm to obtain an optimal welding path; s3, a prediction model is constructed based on a machine learning algorithm, a prediction result is output, and then the optimal welding path is adjusted; s4, the workpiece is welded according to the optimal path; and S5, acquiring a workpiece image of the gold bonding wire finished product to judge whether the appearance of the gold bonding wire finished product meets a preset standard or not. According to the method, the initial optimal path generated by the RRT algorithm is optimized by combining the DWA algorithm with the bidirectional Theta * algorithm, so that the welding path planning efficiency is improved, the gold bonding wire welding safety is ensured, and the welding production efficiency and the production quality are remarkably improved.
Owner:SHENZHEN ZHONGBAO NEW MATERIAL TECH CO LTD

Data processing method and device, equipment and storage medium

The invention discloses a data processing method and device, equipment and a storage medium. When the method provided by the embodiment of the invention is executed, firstly, each time domain signal to be stored is acquired one by one according to a signal input sequence, a time domain sequence number is set for each signal, then a plurality of splitting sequence numbers are set for each signal, a storage position is determined according to a calculation formula, and the signals and the corresponding time domain sequence numbers are stored in a multi-path parallel SRAM in an associated manner. And finally, performing in-situ storage on a butterfly operation result to an SRAM (Static Random Access Memory) according to the serial number of the associative storage. According to the method, the storage position is accurately calculated, and the result is stored in situ, so that an additional cache SRAM (Static Random Access Memory) is prevented from being used, and the occupation of hardware resources is reduced. And meanwhile, an in-situ storage strategy is adopted, so that the carrying of data from one SRAM to another SRAM is reduced, the requirements of data movement and copying are further reduced, the storage efficiency is improved, and the extra data transmission overhead is avoided.
Owner:QINGDAO TOPSCOMM COMM +2

Carton convenient to seal

The utility model relates to a carton convenient to seal, which belongs to the technical field of cartons and comprises a sealed carton, a connecting plate is fixed on the lower surface of the sealed carton, and fixing mechanisms are arranged on the sealed carton and the connecting plate. The fixing mechanism comprises a driving assembly, an adjusting assembly is arranged on the driving assembly, and the fixing mechanism further comprises a limiting assembly. According to the carton convenient to seal, when the sealed cartons are stacked, a connecting plate makes contact with a fixing block, then a worm is rotated to drive a worm gear to rotate, a toothed plate is promoted to drive a limiting block to move through meshing force till the limiting block moves into a fixing groove, and at the moment, the positions of the fixing block and the connecting plate can be fixed; the two sealed cartons can be further stably fixed, the possibility that the stacked sealed cartons move or turn over due to external force in the transportation or storage process can be effectively reduced, therefore, internal objects are protected against damage, and meanwhile the space utilization rate can be increased.
Owner:JINJIANG DEXING PAPER & PLASTIC PACKAGING CO LTD

Movable closed wall building double-arm operation platform

The invention belongs to the technical field of coal mine airtight wall building, and particularly relates to a movable type airtight wall building double-arm operation platform. Comprising a crawler walking mechanism, and a double-operation-arm stacking unit, a brick arranging area, a brick pre-arranging mechanical arm and a brick feeding area are sequentially arranged on the crawler walking mechanism from front to back; the brick pre-arranging mechanical arm is used for moving bulk bricks in the brick feeding area into the brick arranging area and arranging the bulk bricks into brick units according to the width of a wall body; the double-operation-arm stacking unit comprises a left stacking mechanical arm and a right stacking mechanical arm which act independently, the two stacking mechanical arms grab the brick units from the left row of brick units and the right row of brick units correspondingly to conduct wall building, and the two stacking mechanical arms cooperate to conduct wall building within the set length range. By means of the work division operation mode of brick pre-arrangement and overall stacking, the wall building efficiency can be greatly improved; the two stacking mechanical arms open left and right to conduct wall building operation, and the wall building efficiency is doubled compared with a traditional single-mechanical-arm mode.
Owner:SHANXI TIANDI COAL MINING MACHINERY +1

Precipitation load type coated slow-release carbon-based iron fertilizer and preparation method thereof

The invention discloses a precipitation-supported coated slow-release carbon-based iron fertilizer and a preparation method thereof.The preparation method specifically comprises the steps that a biological crustacean heavy metal adsorbent is soaked in a ferrous sulfate solution and then soaked in a calcium hydroxide solution again after low-temperature drying, finally, dried particles are granulated and subjected to coating treatment, and the coated slow-release carbon-based iron fertilizer is obtained. The coated slow-release iron fertilizer is loaded in a precipitation mode, a mixture of precipitated ferric hydroxide and ferrous hydroxide is uniformly dispersed and attached to the interiors of pore channels of the porous adsorbent, and the precipitated ferric hydroxide and the ferrous hydroxide are wrapped by a byproduct calcium sulfate in the porous adsorbent, so that long-acting slow release of iron ions can be realized; the rice cadmium arsenic antagonistic iron fertilizer has the advantages that the rice cadmium arsenic antagonistic effect can be achieved, the oxygen content of soil can be reduced, fine quantitative use of the coated iron fertilizer in the seedling raising period is matched, iron ion antagonism and a precipitation type adsorption load mode are carried out in the whole rice growth process, the iron ion release period is greatly prolonged, and the iron fertilizer has the excellent rice cadmium arsenic antagonism effect and has the excellent application prospect.
Owner:INST OF SOIL FERTILIZER & RESOURCE ENVIRONMENT JIANGXI ACAD OF AGRI SCI +1

Atmospheric particulate matter detecting and sampling device

The utility model relates to the field of atmospheric particulates, in particular to an atmospheric particulate detecting and sampling device which comprises a support and a collecting device, the collecting device comprises a shell, the top and the bottom of the shell are detachably and hermetically connected with an air inlet channel and an air outlet channel respectively, and a mounting ring for erecting a net plate is horizontally arranged on the inner wall of the shell. The upper surface of the screen plate is provided with a cross-shaped cutter groove which equally divides the surface of the screen plate into four parts, the bottom of the screen plate is fixedly connected with a push-pull rod, a circular ring is arranged above the screen plate, the left side and the right side of the circular ring are symmetrically provided with guide rods, and the guide rods are connected into guide grooves in the shell in a sliding mode and can be pulled out of the guide grooves from bottom to top; a plurality of arc-shaped pressing plates capable of fixing the filter membrane on the screen plate are arranged at intervals in the circumferential direction of the inner side of the circular ring and are arranged in a staggered cross-shaped cutter groove mode, the filter membrane is convenient to detach, vibration of the filter membrane in the detaching, moving and cutting process is relieved, the filter membrane is convenient to cut, and meanwhile the size of the cut filter membrane can be accurately controlled.
Owner:YILI NORMAL UNIV +1

Rotary table type automatic three-dimensional scanning measurement system

The invention, which relates to the technical field of three-dimensional scanning, discloses a turntable-type automatic three-dimensional scanning measurement system comprising a coordinate reference module, an instruction generation module, a conversion control module, a scanning execution module, a point cloud restoration module and a comparative analysis module. The coordinate reference module is used for establishing a reference coordinate system; the instruction generation module is used for generating a control instruction or processing and generating a scanning instruction based on a partition parameter calibration method; the conversion control module generates a control instruction by adopting a pose conversion method in combination with reinforcement learning processing; the scanning execution module performs pre-scanning or area-by-area scanning based on the control instruction; the point cloud reduction module adopts a reverse reduction method to convert and obtain a scanning point cloud set, and adopts a triangulation method to generate a pre-scanning three-dimensional model or a scanning three-dimensional model; the comparative analysis module judges whether the size of the detected workpiece is qualified or not based on Boolean operation, if not, a defect label is generated through a defect recognition network, and self-adaptive efficient scanning and accurate comparison result analysis of the detected workpiece are achieved.
Owner:SHANGHAI MOGOAI TECH CO LTD

Device and method for monitoring internal stress of landslide rock-soil body

The invention discloses a landslide rock-soil body internal stress monitoring device, and relates to the technical field of rock-soil body internal stress monitoring, the landslide rock-soil body internal stress monitoring device comprises a stress monitoring instrument, the outer side of the stress monitoring instrument is fixedly connected with a monitoring sensor, and the interior of the stress monitoring instrument is slidably connected with a moving shaft; an auxiliary assembly used for reducing the damage risk of the stress monitoring instrument is arranged outside the moving shaft, a soil loosening assembly used for enabling the stress monitoring instrument to be taken out and maintained easily is arranged outside the stress monitoring instrument, and the moving shaft moves downwards to drive triangular spines to be inserted into soil downwards. The triangular spine is of a triangular structure formed by combining three spines, the stability of the stress monitoring instrument in soil can be enhanced, the stress monitoring instrument can be firmly fixed in a rock-soil body, the possibility that the stress monitoring instrument moves when rock-soil landslide occurs is reduced, the triangular spine can be in better contact with the rock-soil body after being inserted into the soil, and the stress monitoring instrument is more stable. Therefore, the internal stress of the rock-soil body can be monitored more effectively.
Owner:WUHAN UNIV

Underground cellar well environment monitoring device

The utility model provides an underground cellar well environment monitoring device, which relates to the field of detection equipment, and comprises a well body, an installation assembly is fixedly connected to the inner wall of the well body, a conductive assembly is fixedly connected to the interior of the well body, one end of the installation assembly is fixedly connected with a clamping assembly, the installation assembly comprises a fixing block, and one end of the fixing block is fixedly connected to the well body. The end, away from the well body, of the fixing block is fixedly connected with the supporting block, and the end, close to the supporting block, of the fixing block is rotationally connected with the mounting block, so that equipment can be conveniently mounted and fixed in a narrow or difficult-to-contact position through the design, and the mounting difficulty and required additional tools are greatly reduced; according to the utility model, the structure is simple, the operation stability of the equipment is ensured, risks possibly caused by loosening of the equipment are reduced, the current is effectively dispersed and absorbed, current overload and local hot spots are avoided, the overall safety is improved, and the problem of difficult installation caused by space limitation or occasions with high installation positions is effectively solved.
Owner:YUHANG ZHIXUN (CHONGQING) TECHNOLOGY CO LTD

Storage device, host and data processing method of storage device and host

The invention provides a storage device, a host and a data processing method of the storage device and the host. The data processing method of the storage device may include: the storage device receiving input data to be processed by the storage device; in response to a parameter update request in model training of the host, the storage device calculates deep neural network model parameters by using the input data; and the storage device sends at least a part of the calculated deep neural network model parameters to a host.
Owner:SAMSUNG (CHINA) SEMICONDUCTOR CO LTD +1

Magnetic suspension type flexible wall-climbing robot and operation method thereof

The magnetic suspension type flexible wall-climbing robot comprises a first rack, supports are installed at the two ends of the first rack, and cameras are installed on the two supports to assist robot operation and environment perception; the two dynamic balance units are symmetrically distributed, the distance sensor controls the dynamic balance units to conduct angle adjustment, the lower end of the first rack is provided with two first magnetic attraction pieces which are symmetrically distributed, and the two ends of the first magnetic attraction pieces are provided with two movable second magnetic attraction pieces which are symmetrically distributed. And each second magnetic attraction piece is movably arranged at the lower end of the second rack, third magnetic attraction pieces are distributed at the two ends of each second magnetic attraction piece, and the third magnetic attraction pieces are installed on the magnetic attraction wheels. The falling risk caused by attitude imbalance is effectively prevented, and the safety and reliability of operation are greatly improved.
Owner:NANJING XINACHUAN INTELLIGENT TECHNOLOGY CO LTD

Specimen sampling device based on medical detection

The invention discloses a specimen sampling device based on medical detection, and relates to the technical field of blood sampling, the specimen sampling device comprises a vacuum blood collection tube, a blood collection needle and a fixator, the vacuum blood collection tube comprises a bottle tube and a bottle cap, the fixator comprises a positioning frame, a sliding block, a puncture needle, a first spring, a second spring and a buckle, and a mounting groove is formed in the upper end face of the positioning frame; the vacuum blood collection tube is detachably installed in the installation groove, the sliding block is installed in the installation groove and is in elastic sliding connection with the positioning frame through a first spring, the puncture needle is installed in the sliding block and is in elastic sliding connection with the positioning frame through a second spring, and a hose is arranged between the blood collection needle and the puncture needle. The blood sampling device has the advantages of being convenient to operate and capable of automatically mixing the anticoagulant, and the problems that according to existing blood sampling equipment, medical staff need to operate with two hands, the blood sampling part of a patient is fixed with one hand, operation is complex, misoperation is prone to occurring, and the process of manually replacing a blood sampling bottle and shaking and mixing the anticoagulant is long in time consumption and low in efficiency are solved.
Owner:YANCHENG XIUGU MEDICAL TECHNOLOGY CO LTD

Flexible-configuration time delay Doppler domain OTFS index modulation method, system and program product

The invention discloses a flexibly configured time delay Doppler domain OTFS index modulation method, system and program product. The system comprises a transmitting end and a receiving end, wherein the transmitting end comprises an IQ mapping module capable of dynamically configuring grid activation ratio and modulation order. At a transmitting end, binary sequences of in-phase components and quadrature components are mapped respectively, the in-phase components and the quadrature components of sub-blocks are constructed, and sub-block level dynamic grid activation ratio and modulation order configuration are obtained. At a receiving end, an improved message passing detection algorithm is adopted to obtain an activated time delay Doppler domain grid position and a modulation symbol. According to the invention, through dynamic subcarrier activation and modulation order configuration, changing channel conditions and transmission requirements can be adapted; an information bit sequence is reasonably mapped into sub-blocks of in-phase and orthogonal components, so that effective information transmission under different configurations is ensured, and meanwhile, relatively low mapping complexity is maintained; the detection complexity is reduced by an improved messaging detector while maintaining good BER performance.
Owner:中交航信(上海)科技有限公司

Optical fiber pressure sensor packaging structure and intrusive miniature blood pump

The utility model relates to the technical field of medical instruments, and discloses an optical fiber pressure sensor packaging structure and an intrusive miniature blood pump, the optical fiber pressure sensor packaging structure comprises a first metal section, a wire winding section and a second metal section, the first metal section, the wire winding section and the second metal section are communicated with one another and are sequentially connected to form a continuous metal packaging structure, the first metal section is of a hollow tubular structure, a probe of an optical fiber pressure sensor is arranged in the first metal section, and the first metal section is provided with a pressure sensing window; the wire winding section is used for winding and wrapping the periphery of part of the optical fiber section of the optical fiber pressure sensor, and the second metal section is of a hollow tubular structure and is used for internally arranging part of the optical fiber section, so that the optical fiber section and a probe in the optical fiber pressure sensor can be effectively protected, and laser welding is easier to realize by utilizing the metal sections on the two sides of the metal packaging structure. The purpose that the optical fiber pressure sensor is integrated on the miniature blood pump is achieved.
Owner:SHANGHAI PHIGINE MEDICAL CO LTD +1

Photoetching exposure method and equipment

The invention relates to the technical field of semiconductor manufacturing, and discloses a photoetching exposure method and equipment, and the method comprises the following steps: S1, pre-preparation: initializing parameters of a mask, a light source emitter and a PLC module; s2, path planning: optimizing the path layout according to the exposure pattern; s3, platform positioning, wherein nanoscale positioning and posture adjustment are achieved through a magnetic ring and an electromagnetic coil; s4, double-platform collaborative exposure: performing exposure on one platform and alignment on the other platform to realize parallel seamless switching; s5, dynamic correction: performing thermal expansion compensation and position correction through a temperature control module and a PLC module; and S6, fault monitoring: monitoring the equipment state by using a monitoring module, and interactively predicting the fault. The magnetic suspension circular truncated cone realizes friction-free suspension and multi-degree-of-freedom attitude adjustment of the wafer platform, thermal expansion errors are corrected in real time in combination with the temperature control module and the servo dynamic compensation system, optical distortion is corrected in cooperation with the free-form surface lens, mechanical errors and thermal expansion influences are reduced, and the precision requirement of an advanced manufacturing process is met.
Owner:SUZHOU XINYONGLIAN SEMICONDUCTOR TECHNOLOGY CO LTD

Overhead working truck, control method, control device and machine readable storage medium

The invention provides an overhead working truck, a control method, a control device and a machine readable storage medium. The method comprises the steps that an operation instruction is obtained; under the condition that an operation instruction is received, whether the current inclination angle of the frame, the current load of the working platform, the actual operation range of the overhead working truck and the current oil cylinder pressure of the multiple supporting leg structures meet operation conditions or not is sequentially judged according to a preset sequence; and determining that the current inclination angle, the current load and the actual operation range all meet the operation conditions and each current oil cylinder pressure does not exceed the preset pressure range, and controlling the overhead working truck to operate according to the operation instruction. On the premise that the current inclination angle, the current load, the actual operation range and each current oil cylinder pressure all meet the operation conditions, it is judged that the overhead working truck has enough stability, the judgment precision can be ensured through comprehensive judgment of the four conditions, and therefore unnecessary action limitation is avoided, the operation range of the overhead working truck can be greatly widened, and the working efficiency is improved. And the frequent vehicle moving probability is reduced.
Owner:ZOOMLION INTELLIGENT ACCESS MASCH CO LTD

Rock plate cutting device

The utility model provides a rock plate cutting device, and relates to the technical field of cutting devices, the rock plate cutting device comprises a cutting support seat, a cutting mechanism and a clamping mechanism, the cutting mechanism is arranged on the cutting support seat and is fixedly connected with the cutting support seat; the clamping mechanism is arranged on the cutting supporting seat, the clamping mechanism comprises a mounting part, a locking adjusting assembly and a clamping assembly, the mounting part is fixedly connected with the cutting supporting seat, the locking adjusting assembly is movably connected with the mounting part, and the clamping assembly is slidably connected with the locking adjusting assembly; according to the rock plate cutting device, due to the fact that the clamping mechanism is arranged, the rock plate can be pressed and fixed, the stability and safety of the rock plate in the cutting process can be guaranteed, the rock plate cutting device can adapt to cutting of rock plates of different sizes, shapes and thicknesses, and the cutting precision and efficiency are greatly improved.
Owner:佛山市高明成丽厨饰有限公司

Drainage tube fixer

The present invention relates to the field of drainage tube fixation technology, and in particular to a drainage tube fixer, comprising a breathable patch, the breathable patch is arranged on the inner side of the anterior superior iliac spine of a human body, a patch is fixedly installed on the top of the breathable patch, a first bandage and a second bandage are arranged on the top of the patch, the first bandage and the second bandage are cross-connected, a sliding mechanism is arranged on the top of the patch, a fixing mechanism is arranged on the top of the breathable patch, and a fixing cylinder is arranged below the first bandage and the second bandage. The advantages are: the breathable patch is arranged on the inner side of the anterior superior iliac spine of a human body, the displacement of the fixer during use is reduced, and personalized adjustments can be made to meet the needs of patients of different body shapes, the drainage tube is avoided from being squeezed by fat, and the stability of the fixer is enhanced. The drainage tube passes through multiple through holes and is fixed by the first bandage, the second bandage and the fixing cylinder in multiple layers, which effectively prevents the displacement or falling off of the drainage tube, thereby enhancing the fixing effect.
Owner:CHANGZHOU MATERNAL & CHILD HEALTH CARE HOSPITAL

Positioning tool for processing silica gel sealing gasket

The positioning tool for machining the silica gel sealing gasket comprises a working table, a positioning mechanism used for positioning materials is installed on the top of the working table, the positioning mechanism comprises a limiting assembly, a pressing assembly and a pressing assembly, the limiting assembly is installed on the top of the working table and used for limiting the materials, and the pressing assembly is installed on the inner side of the working table and used for pressing the materials. Comprising three grooves formed in the top of a workbench at equal intervals, pressing arms are rotationally arranged on the inner sides of the grooves through bearings, and a driving assembly used for driving the pressing arms to press materials is installed on the inner side of the workbench; the utility model relates to the technical field of silica gel sealing gasket processing, and compared with a comparison file, the pressing assembly in the positioning mechanism can ensure tight fit between a material and the pressing arm to improve the sealing performance, in addition, the movement or deformation of the sealing gasket in the processing process can be reduced, and the sealing gasket is prevented from being damaged or losing efficacy.
Owner:QINGDAO RIJIN ELECTRONIC ACCESSORIES CO LTD