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70results about How to "Improve lightweight performance" patented technology

Wearable NIRS-EEG based schizophrenia early detection evaluation system

The invention discloses a wearable NIRS-EEG based schizophrenia early detection evaluation system. The system comprises an NIRS-EEG bimodal cerebral function monitor device, a mobile intelligent terminal and a network server, wherein the NIRS-EEG bimodal cerebral function monitor device is used for acquiring cerebral function information of schizophrenia patients or healthy persons in real time by adopting NIRS and EEG technologies, and transmitting the cerebral function information to the mobile intelligent terminal through bluetooth signals; the mobile intelligent terminal is used for uploading data to the network server for data processing via mobile internet; and the network server is used for saving the processed data, generating a corresponding diagnosis result, and feeding back to the mobile intelligent terminal for data waveform display. The system has the advantages of accurate detection evaluation result and extremely low power consumption, and can be used for quickly and conveniently performing early detection and disease early warning for schizophrenia patients and providing scientific and reasonable guidance for nursing schizophrenia patients, so that pains and psychological burden of schizophrenia patients and family members thereof can be reduced.
Owner:GUANGDONG PROV MEDICAL INSTR INST +2

Combined motor pair trawling test table and installation method thereof

The invention relates to a combined motor pair trawling test table and an installation method thereof. The combined motor pair trawling test table comprises a first work table, a second work table, a load motor, a tested motor, a first shaft coupler, a second shaft coupler and a torque sensor, wherein the first work table and the second work table are connected through a connecting plate; guide rails are arranged on the work tables; slide blocks are arranged on the guide rails; installing bottom plates are fixed on the slide blocks; the load motor and the tested motor are fixed on the installing bottom plates; installing holes with different sizes and gaps are formed in each installing bottom plate; the slide blocks are driven by lead screw mechanisms and are braked by guide rail clamping devices; the torque sensor is arranged on a support seat; the bottom of each work table is provided with a bottom foot capable of performing height regulation. The installing method comprises the following steps of installing the work tables; adjusting the flatness and the straightness of the test table; installing the motor, the shaft coupler, the torque sensor, and performing fine adjustment to realize axial line centering. The combined motor pair trawling test table and the installation method have the advantages that light weight and convenience are realized; the moving is easy; the motor centering operation is convenient; the centering precision is easy to control; the motor installation is convenient; the test requirements of motors in different machine types are met.
Owner:PHASE MOTION CONTROL NINGBO

Remote mobile phone test experiencing method based on RTMP

The invention discloses a remote mobile phone test experiencing method based on the RTMP. The remote mobile phone test experiencing method based on the RTMP comprises the following steps that S1, the screen content of a current mobile phone is captured in real time and the screen content is stored in a buffer zone; S2 compression conversion is conducted on screen image data and the screen image data are encoded into video stream data; S3 the video stream data are transmitted to an uploading server, and a stream media uploading module is uploaded to an RTMP stream media server through an RTMP stream media protocol; S4 the stream media server releases video streams to a webpage client side, the client side logs in the webpage client side address on the stream media server through a browser to conduct remote mobile phone browsing, wherein the webpage client side address is located on the stream media server and the media streams are released on the webpage client side address; S5 a user transmits control action information to a control information analysis module on the uploading server through a user-defined protocol, an operation request is responded at a mobile phone terminal which the user applies for, and the response is fed back to the webpage client side through the S4. The remote mobile phone test experiencing method based on the RTMP has the advantages that the protocols used in the system are simple and the encoding efficiency is improved.
Owner:SOUTH CHINA UNIV OF TECH

Wearable multimode brain function detection device based on NIRS-EEG

The invention discloses a wearable multimode brain function detection device based on NIRS-EEG. The wearable multimode brain function detection device comprises an NIRS-EEG detection unit, an ultra-low power consumption control unit, a state prompt unit, a Bluetooth communication unit, a key input unit and a power supply unit; the ultra-low power consumption control unit is connected with the NIRS-EEG detection unit, the state prompt unit and the Bluetooth communication unit respectively, the ultra-low power consumption control unit conducts data instruction communication with the NIRS-EEG detection unit through SPI interfaces, the ultra-low power consumption control unit conducts data transmission communication with the Bluetooth communication unit through a UART serial port communication protocol, and the Bluetooth communication unit sends received data to a mobile terminal for subsequent processing; the key input unit is connected with the power supply unit, and the power supply unit is used for supplying power to the NIRS-EEG detection unit, the ultra-low power consumption control unit, the state prompt unit and the Bluetooth communication unit and conducting power supply protection and power management. The wearable multimode brain function detection device has good comfortability, and monitoring on occasions such as the brain cognitive function, neurological and psychiatric diseases and sleep and fatigue states can be conveniently conducted anytime and anywhere.
Owner:SOUTH CHINA UNIV OF TECH +1

Raw material pretreatment method for improving light performance of residual oil

The invention provides a raw material pretreatment method for improving the light performance of residual oil. By means of the cavatition and recombination effects of ultrasonic waves, the colloid structure of the residual oil is changed, the structural composition of the residual oil is optimized, the distribution uniformity of four components is promoted, the stability of a colloid system is improved, and the quality of the residual oil is totally improved, so that the hydrogenation effect of the residual oil is remarkably improved. Residual oil from different sources has relatively large difference in ultrasonic treatment effect. Known from hydrotreated data, the method can be used for reducing the average relative molecular weight of the vacuum residual oil by 3-6%, reducing the viscosity by 5-12%, reducing the carbon residue value by about 21-40%, increasing the hydrogenated residual oil conversion ratio by 8-10%, increasing the light oil yield by 7-11% and the like. The method has the advantages of simplicity in treatment, convenience in operation, low cost and capabilities of more remarkably improving the quality of the residual oil, greatly increasing the conversion ratio of the residual oil and ensuring that the treated residual oil is easier to process and treat in processes such as residual oil hydrogenation and the like.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

A method and device for determining the power assist current of an electric power steering system

The invention discloses a method for determining the power-assisting current of an electric power-assisted steering system, which comprises the following steps of: obtaining maximum power-assisting current, minimum power-assisting current and threshold speed; obtaining the speed value of an automobile; comparing the speed value with the threshold speed; when the speed value is larger than the threshold speed, determining the minimum power-assisting current as the power-assisting current of the electric power-assisted steering system; and when the speed value is smaller than or equal to the threshold value, determining the power-assisting current of the electric power-assisted steering system according to the corresponding relation between the power-assisting current and the speed. By adopting the method disclosed by the invention, the power-assisting current can be determined under the situation that road testing is not conducted, the development cost can be reduced, the power-assisting current corresponding to any speed within maximum design speed can be determined, the generated steering assisting power is more accurate by following the requirement that the speed is approximately in inverse proportion to the power-assisting current within the range of the threshold speed, and the stability and the portability of the electric power-assisted steering system are improved. The invention additionally discloses a device for determining the power-assisting current of the electric power-assisted steering system.
Owner:SICHUAN MIANYANG SANLI

Liquid-cooling high-current charging system of electric automobile and control method thereof

The invention discloses a liquid-cooled high-current charging system of an electric vehicle. The liquid-cooled high-current charging system comprises a charging connector, a cable fixing and protecting device, a cable body, a charging pile and a charging pile power supply module. Two ends of the cable body are respectively connected with the charging connector and the charging pile through the cable fixing and protecting device, and the charging pile power supply module is installed in the charging pile. The liquid-cooling large-current charging system is provided with a corresponding liquid cooling device for carrying out circulating cooling on easily-heated parts in the charging process, so that heating during charging is greatly reduced and the safety performance is improved; the numberof required conductors is small; the charging current can be greatly improved to improve the charging power under the working condition that the number of the required conductors is the same as thatof the conductors in the prior art, or the number of resources of the conductors is greatly reduced, the use of the resources is reduced, and the operation convenience of a client can be improved under the working condition that the charging current is the same as the prior art.
Owner:SICHUAN YONGGUI SCI & TECH CO LTD

Visible light and near-infrared light switching mechanism based on electromagnetic driving

The invention discloses a visible light and near-infrared light switching mechanism based on electromagnetic driving. The visible light and near-infrared light switching mechanism comprises a base, alight filtering assembly arranged at the lower part of the base and an electromagnetic driving assembly arranged at the upper part of the base; the light filtering assembly comprises a visible light filter, a near-infrared light filter, a light filter seat and a pin; and the electromagnetic driving assembly mainly comprises a coil seat, a swing rod and a coil. According to the visible light and near-infrared light switching mechanism based on electromagnetic driving provided by the invention, an electromagnetic driving mode is adopted, and by changing the positive electrode and the negative electrode of the current input into the coil, the electromagnetic field magnetic pole directions are switched; when the direction of the electromagnetic field magnetic pole generated by the coil is opposite to the magnetic pole direction of a magnet, the magnetic field drives the swing rod to rotate, and the switching of the visible light filter and the near-infrared light filter is driven, so thata visible light working mode or the near-infrared light working mode can be switched. By virtue of the electric signal control based on electromagnetic driving, the power consumption of the system islowered, the reliability is enhanced, the light filters are rapidly switched, and the actual combat reaction capacity is improved.
Owner:HUBEI HUAZHONG PHOTOELECTRIC SCI & TECH

Early detection and evaluation system for schizophrenia based on wearable nirs-eeg

The invention discloses a wearable NIRS-EEG early detection and evaluation system for schizophrenia, which includes a NIRS-EEG dual-mode brain function detection device, a mobile intelligent terminal and a network server; the NIRS-EEG dual-mode brain The function detection device adopts NIRS and EEG technology to obtain the brain function information of schizophrenia patients or healthy people in real time, and sends the brain function information to the mobile smart terminal through the Bluetooth signal, and the mobile smart terminal uploads the data to the network server through the mobile Internet for data processing. Processing, the network server stores the processed data and generates corresponding diagnostic results, which are fed back to the mobile smart terminal for data waveform display. The detection and evaluation results of the system of the present invention are accurate, and the power consumption is extremely low, which is convenient for early detection and early warning of schizophrenia patients in a fast and portable manner, and at the same time provides more scientific and reasonable guidance for the care of schizophrenia patients, thereby alleviating schizophrenia. The pain and psychological burden of the patients and their families.
Owner:GUANGDONG PROV MEDICAL INSTR INST +2

Building formwork

The invention provides a building formwork, relates to the technical field of building materials, and mainly solves the technical problem that in the prior art, a building formwork is poor in wear resistance and poor in fireproof performance. The building formwork comprises wear-resistant layers and a base layer, wherein the wear-resistant layers are positioned on the upper surface and the lower surface of the base layer; each wear-resistant layer comprises a wear-resistant surface and a reinforcing surface; each reinforcing surface comprises a channel and collateral layer; each channel and collateral layer is positioned on the surface, which is close to the base layer, of the corresponding wear-resistant layer; and each wear-resistant surface is positioned on the surface, which is away from the base layer, of the corresponding wear-resistant layer. The base layer is positioned between the wear-resistant layers, friction and/or scratching between the outside and the base layer can be prevented effectively, furthermore, the base layer can be isolated from a heat source of the outside by the wear-resistant layers, the base layer is prevented from being in direct contact with a fire source, and the fire resistance of the building formwork is improved. Each channel and collateral layer is close to the surface, which is close to the base layer, of the corresponding wear-resistant layer, the wearing capacity of the wear-resistant layers can be improved, and thus, the service life of the building formwork is prolonged.
Owner:卢志宣

Bi-directional thrust rolling bearing

The invention relates to a bi-directional thrust rolling bearing which comprises a shell assembly, a shaft washer, a cylindrical roller, a retainer, a race and a roller pin. The shell assembly comprises an upper shell and a lower shell. The upper shell comprises a large barrel, a large-end circular ring, a small barrel and a small-end circular ring. The large barrel and the small barrel are connected into an integrated structure through the large-end circular ring. The small-end circular ring is arranged at the end, opposite to the large-end circular ring, of the small barrel. The shaft washer, the cylindrical roller, the retainer and the race are all arranged in the space defined by the large barrel and the large-end circular ring. The roller pin is arranged in the space defined by the race, the small barrel and the small-end circular ring. According to the technical scheme, the bi-directional thrust rolling bearing comprises the shaft washer, the cylindrical roller, the retainer, the race, the shell assembly and the roller pin, and therefore the bearing can bear large radial stress and can also bear large axial stress; and a maintenance-free structure is added, the maintenance cost spent when vehicles are used is reduced, the vehicle using efficiency is improved, installation is convenient, and reliability is improved.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Electromagnetic power generation device based on human body kinetic energy

The invention belongs to the technical field of power generation, and discloses an electromagnetic power generation device based on human body kinetic energy. According to the invention, human body motion analysis is used; relative size parameters of a non-balanced rotor in a power generation device are determined according to the relevant information of the position of the power generation deviceto be arranged by limbs; according to the electromagnetic damping information of a coil in a load state, specific parameters of the rotor coil are adjusted to ensure that the amplitude energy of a human body motion part can drive the non-balanced rotor to continuously make circular rotating motion; and three-dimensional static and transient simulation modules of an Ansoft three-dimensional moduleare used to carry out simulated analysis on parameters output by a model to verify the electromagnetic power generation device based on human body kinetic energy. According to a system, a stator permanent magnet is embedded on a stator base; a rotor base is arranged above the stator permanent magnet; a coil iron core is embedded on the rotor base; and a coil winding is wound on the coil iron core. According to the invention, the electromagnetic power generation device based on human body kinetic energy has the advantages of small size and light weight, and is easily combined with human body parts to collect energy generated by human body motion and convert the energy into electric energy.
Owner:LOGISTICAL ENGINEERING UNIVERSITY OF PLA

Multifunctional anti-dropping hanger supporting rod and operating method thereof

The invention discloses a multifunctional anti-dropping hanger supporting rod and an operating method thereof. The hanger supporting rod comprises a U-shaped hanger supporting hook, a connecting member I, a connecting member II and a supporting rod body, the upper end of the supporting rod body is fixedly sleeved with one end of the connecting member II, and the other end of the connecting memberII and the bottom of the first connecting member I are fixedly connected with a rubber ring through special-shaped inserting pins; the top of the connecting member I is movably connected with the U-shaped hanger supporting hook through a connecting shaft, and the U-shaped hanger supporting hook is capable of automatically rotating relative to the connecting member I. According to the multifunctional anti-dropping hanger supporting rod, the state of the hanger supporting rod can be adjusted according to actual demands, and the hanger supporting rod is used for collecting and hanging clothes from high positions when the connecting member I and the connecting member II are in a working state I in which the connecting members I and II are on the same line with the supporting rod body; the supporting is used for collecting and hanging clothes from the positions out of a window when the the hanger supporting rod is in a working state II where the connecting member I is perpendicular to the connecting member II; an anti-slip rubber holding bar arranged on the hanger supporting rod can provide better gripping performance and anti-slip performance; a rubber tail cap ensures that the hangersupporting rod does not easily slip on the floor, and convenience is provided for users.
Owner:ZHEJIANG UNIV OF TECH

Heavy hinge

The invention discloses a heavy hinge, and belongs to the technical field of hardware. The heavy hinge is used for connecting two components needing to be opened and closed. The heavy hinge comprisesa bottom plate, a supporting arm, a short connecting plate and a long connecting plate, the bottom plate is used for being connecting with one of the two components, the supporting arm is connecting with the other component, the short connecting plate and the long connecting plate are used for connecting the supporting arm and the bottom plate, the first end of the short connecting plate is hingedto the supporting arm to form a first supporting arm hinge point, the second end of the short connecting plate is hinged to the bottom plate to form a first bottom plate hinge point, the first end ofthe long connecting plate is hinged to the supporting arm to form a second supporting arm hinge point, the second end of the long connecting plate is hinged to the bottom plate to form a second bottom plate hinge point, a first spacing is arranged between the first supporting arm hinge point and the second supporting arm hinge point, and a second spacing is arranged between the first bottom platehinge point and the second bottom plate hinge point. According to the heavy hinge, opening and closing of the hinge are achieved through a rotating structure; and compared with a sliding support in the prior art, the smoothness, the portability and the workability of a switch are enhanced, and the bearing capacity is improved.
Owner:吴朋辉

Horizontal automatic correction dynamic height variable adjusting device

The invention relates to a height adjusting device, in particular to a horizontal automatic correction dynamic height variable adjusting device. A plurality of horizontal automatic correction dynamicheight variable adjusting devices are combined to form a height-adjustable platform capable of automatically keeping horizontal, and a horizontal temporary working platform can be built on uneven terrains. Meanwhile, when the device is applied to a chassis of a vehicle (especially a low-speed special vehicle), the height of the vehicle chassis can be adjusted at will, the trafficability of the vehicle chassis and the adaptability to a working site are greatly enhanced. A main body comprises an air cylinder, a piston, a linear bearing, a polished shaft, an electromagnetic air valve, a horizontal gyroscope, a height sensor and an electric comprehensive control module, and the structural combination relation is shown in the attached drawing. In the device, the piston is fixed at one end of the polished shaft and can freely slide in the air cylinder, the other end of the polished shaft penetrates through the linear bearing and is fixed on a chassis platform, and the upper part of the air cylinder is connected with the lower part of the linear bearing. Air intake and air exhaust of the air cylinder are controlled by the electromagnetic air valve, and the electromagnetic air valve is controlled by the electric comprehensive control module through coordination of the horizontal gyroscope and the height sensor to achieve the functions of automatic horizontal correction and dynamic height variable adjustment of the device through air intake and air exhaust control over the air cylinder.
Owner:广西特姆巨智能机械科技有限公司

Instance retrieval method based on depth activation salient region

The invention discloses an instance retrieval method based on a deep activation salient region, and relates to visual instance retrieval. The method comprises the following steps: 1) performing modeldesign: a model comprises a forward propagation module, a mode positioning module and a feature extraction module; 2) for a given image database, taking each picture in the database as the input of the model, and extracting an output instance positioning result and a corresponding instance-level feature; 3) for each query picture, taking the query picture as input of a forward propagation part ofa depth mode mining module, extracting regional instance features, and performing similarity comparison on the instance features and all instance-level features extracted from the database picture bythe model to obtain a similarity comparison result; wherein the area with the highest similarity in each database picture is the result of instance retrieval on the picture, the similarity corresponding to the area is the similarity of each picture, all pictures in the database are sequentially arranged from high to low according to the similarity, and the result of instance retrieval of the wholedatabase is obtained. The invention can be applied to intelligent retrieval and video editing of video media.
Owner:XIAMEN UNIV
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