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Active knee joint structure with function of load-bearing and self-locking
InactiveCN102973337AEnsure balanceImprove efficiencyArtificial legsThighPhysical medicine and rehabilitation
The invention discloses an active knee joint structure with a function of load-bearing and self-locking. The active knee joint structure with the function of the load-bearing and the self-locking comprises a connecting rod bandage fixed with a thigh and a crus, a knee joint connecting mechanism, a limit mechanism, a crus connecting mechanism, a motor, a harmonic reducer, a self-locking elastic sheet, an oil pressure buffer and a self-recovery torsional spring. The active knee joint structure with the function of the load-bearing and the self-locking can not only guarantee the balance of a wearer in a standing stage through a locking mechanism, but also have the function of assisting power on the wearer in a swinging stage, improves the service efficiency of energy, and strengthens adaptability of the wearer to different landforms.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1
Knee joint structure used for lower limb exoskeleton robot
ActiveCN106891359AHelp achieveDoes not affect normal walkingProgramme-controlled manipulatorJointsThighExoskeleton robot
The invention relates to a knee joint structure used for a lower limb exoskeleton robot. A shank assembly is connected with a thigh assembly through a four-bar linkage knee joint, and a gas spring is further mounted between the shank assembly and the thigh assembly. One end of the gas spring is connected to the thigh assembly, and the other end of the gas spring is in sliding connection with a gas spring sliding groove mechanism fixed to the shank assembly. By utilizing the gas spring to provide assistance, conversion from standing to sitting and conversion from sitting to standing are realized. When a user normally walks, the slip of the gas spring, caused by the bending of the knee joint, cannot reach the bottom of the gas spring sliding groove mechanism, so that the gas spring is not compressed or stressed, and normal walking is not affected. When the user wants to convert from standing to sitting or convert from sitting to standing, the slip of the gas spring, caused by the bending of the knee joint, can reach the bottom of the gas spring sliding groove mechanism, the gas spring is compressed and stressed, and energy is stored, so that assistance is provided for converting from standing to sitting and converting from sitting to standing.
Owner:上海理工资产经营有限公司
Flexible adaptive power load control system and control method thereof
ActiveCN105470971AImprove scalabilityHelp achievePower network operation systems integrationLoad forecast in ac networkThe InternetElectric equipment
The invention relates to a flexible adaptive power load control system and a control method thereof. The system is sequentially connected to electric equipment of a user via secondary collecting control equipment and a primary collecting control equipment by a demand response center and establishes connections and feedback with various types of user terminal equipment in the demand response center through cloud equipment and the Internet; in addition, the user reserves control capability for equipment of the user. For the control method of the system, according to power demand, user equipment condition, intentions of users and the like, various control schemes based on electricity price, based on incentive mechanism, in a full automatic mode, in a full manual mode, etc. can be adopted flexibly. The invention provides an adaptive control system architecture supporting various demand response modes, with high flexibility and expansion convenience; the control system facilitates the achievement of a demand response system and improvement of system stability.
Owner:CHINA ELECTRIC POWER RES INST +2
Battery management system and battery management method
ActiveCN105762895AReduce modification workImprove simplicityCharge equalisation circuitIndicating/monitoring circuitsSystems designElectrical battery
The invention provides a battery management system and a battery management method. The battery management system comprises a battery pack controller, N single battery controllers, N isolation transformers and a pair of multiplex buses; the battery pack controller is connected to the multiplex buses and used for managing a battery pack, each single battery controller is connected to the multiplex buses through one isolation transformer, the battery pack comprises N single batteries which are connected in series, each single battery controller manages one single battery, time division multiplexing is performed on the multiplex buses, therefore, the battery pack controller and the single battery controllers can achieve power transmission and signal transmission through the multiplex buses, the system design and implementation difficulty is lowered, and the system is beneficial for lowering the cost. Furthermore, each single battery controller and the corresponding single battery are arranged to be adjacent to each other in the space, therefore, the single battery controllers and the single batteries can be combined together at the structure level, historical data of the batteries is stored, and secondary use of the batteries is convenient.
Owner:HANGZHOU SILAN MICROELECTRONICS +1
Manufacturing method for end shield of built-in grout block shield machine
The invention belongs to the technical field of tunneling engineering and particularly relates to a manufacturing method for an end shield of a built-in grout block shield machine. According to the invention, grouted blocks are cut and built one by one via the fixing of adjustable inner tube flanges on a winded whole shell, thus the size precision of the end shield is well ensured, the product quality and the efficiency are improved. As for the shell blanking accuracy, the accuracy is greatly improved as compared with that of the traditional method of calculating key point by using the metal plate feeding function of software, so that the method is beneficial for achieving the conical tube mode of the end shield. Compared with the method of winding the shell section by section and then welding with the grouted blocks, the novel integral-cutting and gradual-embedding form ensures product quality better, and is more stable and more reliable. The plate is wound for one time according to the novel method, however, when the sectional winding method is adopted, the plate winding efficiency will be increased, the manufacturing cost of products is improved, and the production efficiency is reduced,.
Owner:CHINA RAILWAY SCI & IND GRP RAIL TRANSPORTATION EQUIP LIMITED
Information fusion method of intelligent vehicle perception system
ActiveCN109747643AImprove securityImprove reliabilityDashboard fitting arrangementsPedestrian/occupant safety arrangementUltrasonic sensorRadar
The invention relates to an information fusion method of an intelligent vehicle perception system, and specifically relates to an information fusion control method of an intelligent vehicle perceptionsystem. The vehicle perception system includes a millimeter wave radar installed directly in front of the head of a vehicle, a visual sensor mounted directly above the millimeter wave radar, a plurality of ultrasonic radars installed in the forward direction, and single line laser radars installed on the left and right sides of the vehicle. The information fusion control method includes the steps: determining whether the ultrasonic sensors detect an obstacle, if an obstacle is detected, no longer processing the information of the millimeter wave and the visual sensor, and if not, processing the information of the millimeter wave and the visual sensor; and if the millimeter wave and the visual sensor detect the same obstacle, performing fusion processing on the information of the two sensors by a processor, and if only one sensor detects the obstacle, only outputting the information of the corresponding detector. The information fusion control method of an intelligent vehicle perception system has the advantages of being high in the processing speed, saving system resources and being reliable in the beneficial effects, and can be used for realizing development and application of intelligent driving functions such as lane keeping or driverless driving.
Owner:ZHENGZHOU YUTONG BUS CO LTD
Single-joint double-sided driving device for flexible assisted outer garment
The invention relates to a single-joint double-sided driving device for a flexible assisted outer garment. The device comprises an outer garment body, a Bowden cable unit, a driving unit, a gait detecting unit and a control unit. By wearing the driving device, the human body can assist in rear protraction movements of the hip joints during walking. The driving unit is fixed on the waist of the human body through a waist belt, the outer garment body is attached to the skin of the lower limbs or the surface of the garment, the Bowden cable unit enables the driving unit to be organically connected with the outer garment body, accordingly effective traction of the driving unit to the Bowden cable unit under the feedback control of gait information detection signals and an internal algorithm, and thus the rear protraction movements of the hip joints are assisted. The assisting performance of the driving device is improved, the energy consumption of the human body muscles, is reduced, and the assistance for the walking movements of the lower limbs is achieved.
Owner:BEIJING UNIV OF TECH
Power grid capital construction project dynamic early warning identification method and system
ActiveCN110135716AEmphasis on bilateralityEffective dynamic early warningResourcesInformation technology support systemThree levelMultiple dimension
The invention relates to a power grid capital construction project dynamic early warning identification method and system, and the method comprises the following steps: analyzing the current situationof power grid capital construction project dynamic early warning, and building a power grid capital construction project multi-dimensional target time sequence prediction model; establishing a powergrid capital construction project early warning index library, and constructing a power grid capital construction project three-level key early warning index library and an index influence structure diagram by utilizing the interpretation structure model; collecting engineering data of the power grid capital construction project to be evaluated, drawing a dynamic early warning curve of the power grid capital construction project, and determining a dynamic early warning threshold value of the power grid capital construction project; and based on a multi-dimensional target time sequence prediction model and mapping and membership relationships between different levels of the dynamic early warning curve and the three-level key early warning index, constructing a top-down or bottom-up bilateral linkage deviation checking mechanism, and carrying out dynamic early warning on the power grid infrastructure project. The method can be widely applied to the field of power grid capital construction project dynamic early warning.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING) +3
Shoulder assistance support exoskeleton
ActiveCN109571435AExpand the scope ofExpand the scope of activitiesProgramme-controlled manipulatorJointsEngineeringExoskeleton
The invention discloses a shoulder assistance support exoskeleton. The shoulder assistance support exoskeleton comprises an assistance module, a force transfer module and a main body connecting module; the main body connecting module comprises a waist belt worn on the waist and being adjustable in size; size-adjustable shoulder belts are fixedly connected with the waist belt; the back part of thewaist belt is vertically and fixedly connected with a lower adjusting plate; a lower connecting plate is fixedly connected with an adjustable main connecting plate; the main body connecting module mainly bears total support force; the positions of a first connecting rod and a second connecting rod in the force transfer module can be changed, so that the support force can be transferred, the shoulder moving range is widened, and the shoulder motion flexibility demands are met; the assistance module comprises a main shell, a cam spring energy storage module arranged in the main shell as assistance, and upper arm binding tools fixedly connected to a main shell base; the upper arm binding tools are fixed on the upper arms of users; the assistance module can realize assistance of the human shoulders in a self-adaption mode; the free swing of arms in a non-working section under a chest is not influenced; and the shoulder assistance support exoskeleton has the characteristics of high flexibility, no resistance, portability and easy wearing.
Owner:XI AN JIAOTONG UNIV
Power conversion device
ActiveCN105556817AReduced power capacityHelp achieveEfficient power electronics conversionDc-dc conversionBoost chopperFull wave
Provided is a power conversion device that reduces the power capacity that is required of a power buffer circuit. A converter (3) performs full-wave rectification with respect to a single-phase voltage (Vin) and outputs a rectified voltage (Vrec) between direct current power supply lines (LL, LH). An inverter (5) receives the rectified voltage (Vrec) and supplies three-phase alternating current (Iu, Iv, Iw) to an inductive load (6). A power buffer circuit (4) is connected between the direct current power supply lines (LL, LH). The power buffer circuit (4) comprises a discharge circuit (4a) and a charging circuit (4b). The discharge circuit (4a) comprises a capacitor (C4) and a switch (Sc) connected in series. The charging circuit (4b) is configured, for example, from a step-up chopper and comprises a switch (Sl), a reactor (L4), and a diode (D40). One part of a power pulse that is input into the converter (3) is transferred between the direct current power supply lines (LL, LH) by the power buffer circuit (4).
Owner:DAIKIN IND LTD
Brake booster for electric motor
ActiveCN101508286ATroubleshooting Brake Boosting IssuesSave spaceBraking action transmissionMotor driveElectric machinery
The invention relates to a brake booster for electric vehicles and belongs to the technical field of electric vehicles. The device mainly comprises four parts: a motor-driven reciprocal circulation pressurization cylinder supercharging device, a high voltage energy storage device, an assistant force drive device and a controller. The controller is connected with the motor-driven reciprocal circulation pressurization cylinder supercharging device, the high voltage energy storage device, the assistant force drive device and a brake signal senor of an automotive brake respectively; the motor-driven reciprocal circulation pressurization cylinder supercharging device is connected with the high voltage energy storage device 2, and the high voltage energy storage device is connected with the assistant force drive device; and the assistant force drive device is connected with the car arrester 5. The brake booster for electric vehicles can save a vacuum booster device with the large volume, and facilitate the realization of the braking of assistant force simultaneously.
Owner:TSINGHUA UNIV
Method for reporting channel state information in wireless communication system and apparatus therefor
ActiveCN110574314AHelp achieveSpatial transmit diversityError preventionChannel state informationCommunications system
Owner:LG ELECTRONICS INC
Passive flexible knee-ankle joint power-assisted exoskeleton robot
ActiveCN114347000AImprove efficiencyReduce quality problemsProgramme-controlled manipulatorExoskeleton robotGear wheel
The invention relates to the technical field of power-assisted robots, in particular to a passive flexible knee-ankle joint power-assisted exoskeleton robot. Comprising an exoskeleton support and a pair of energy recovery and release devices. Each energy recovery and release device comprises an input clutch mechanism, an energy storage mechanism and an output mechanism; in a knee joint bending stage, a first flexible cable or a second flexible cable pulls a corresponding input transmission pulley to rotate, so that an input transmission gear and a transmission inner gear ring are in meshed transmission, and energy storage of an energy storage spring is realized; in an ankle joint power assisting stage, a steering engine gear is in gear meshing transmission with a transmission rack, so that a clutch gear is meshed with an output transmission gear and an output transmission pulley at the same time, an energy storage spring releases stored energy, and a third flexible cable is stretched to pull a foot plate upwards to move; therefore, part of negative work done by the knee joint during stretching is collected in a mode of assisting the knee joint in doing negative work, part of negative work generated by the knee joint during bending is also absorbed, and the negative work collecting efficiency is higher when the negative work collecting device is used for collecting negative work.
Owner:HEFEI UNIV OF TECH
Energy conversion device and automobile with same
The invention provides an energy conversion device comprising an energy transferring mechanism, an energy storing mechanism and a controlling mechanism. One end of the energy transferring mechanism is connected with the energy storing mechanism. The controlling mechanism is used for controlling the energy transferring mechanism to input the external mechanical energy into the energy storing mechanism and output the energy in the energy storing mechanism to the working parts. The invention also provides an automobile comprising a drive shaft, a speed reducing mechanism, wheels and the energy transferring mechanism. The drive shaft is connected with the wheels through the speed reducing mechanism. Due to the adoption of the technical scheme, the invention can collects the energy generated when the automobile is in the neutral position or in the speed reducing state so as to assisting the automobile with power for starting, accelerating or climbing the slope.
Owner:BYD CO LTD
PET carrier tape production forming system based on high-precision and high-speed particle machine
ActiveCN107415291AEliminate surface bumpsSuitable for productionWaste based fuelBeltsMechanical engineeringThreaded rod
The invention discloses a PET carrier tape production forming system based on a high-precision and high-speed particle machine. The PET carrier tape production forming system comprises a crystallization drying assembly, an extrusion host machine assembly and a forming assembly which are sequentially arranged. The crystallization drying assembly comprises a crystallization hopper assembly body, a crystallization drying assembly body and a crystallization refining drying assembly body; the extrusion host machine assembly comprises an extruder which comprises an extrusion host machine electricity box and a machine cylinder assembly body arranged on the extrusion host machine electricity box; the machine cylinder assembly body comprises a machine cylinder and a threaded rod arranged in the machine cylinder; an extrusion mold is arranged at an outlet of the machine cylinder assembly body of the extruder; the forming assembly comprises a forming mold, and a press polish assembly is arranged between the extrusion mold and the forming mold and comprises a set of hot-pressing rolls which comprise the upper hot-pressing roll and the lower hot-pressing roll; and the two ends of the upper hot-pressing roll and the lower hot-pressing roll are rotatably installed on baffles arranged on the two sides of the top end of a rack.
Owner:深圳市中欧新材料有限公司
Sleep electroencephalogram detection method and system
InactiveCN112842363AReduce redundanciesHelp achieveDiagnostic recording/measuringSensorsSleep electroencephalogramStatistical analysis
The invention provides a sleep electroencephalogram monitoring method and system. The method is a single-channel computer sleep scoring algorithm based on data driving. First, collected decomposed electroencephalogram signal segments are decomposed using an empirical mode. Then, the features are extracted based on a statistical model from the obtained fixed mode function, and statistical analysis is performed to determine the validity of the selected feature. Finally, the automatic sleep segmentation is carried out by adopting a random undersampling classification algorithm. According to the sleep electroencephalogram monitoring method and system provided by the invention, weak classifier learning classification is performed by combining empirical mode decomposition algorithm iteration and random undersampling, and the problem of class imbalance of sleep electroencephalogram analysis can be reduced while the adaptivity of the collected sleep electroencephalogram signals can be improved.
Owner:HUNAN VENTMED MEDICAL TECH CO LTD
Knee joint structure for lower extremity exoskeleton robot
ActiveCN106891359BHelp achieveDoes not affect normal walkingProgramme-controlled manipulatorJointsThighExoskeleton robot
The invention relates to a knee joint structure used for a lower limb exoskeleton robot. A shank assembly is connected with a thigh assembly through a four-bar linkage knee joint, and a gas spring is further mounted between the shank assembly and the thigh assembly. One end of the gas spring is connected to the thigh assembly, and the other end of the gas spring is in sliding connection with a gas spring sliding groove mechanism fixed to the shank assembly. By utilizing the gas spring to provide assistance, conversion from standing to sitting and conversion from sitting to standing are realized. When a user normally walks, the slip of the gas spring, caused by the bending of the knee joint, cannot reach the bottom of the gas spring sliding groove mechanism, so that the gas spring is not compressed or stressed, and normal walking is not affected. When the user wants to convert from standing to sitting or convert from sitting to standing, the slip of the gas spring, caused by the bending of the knee joint, can reach the bottom of the gas spring sliding groove mechanism, the gas spring is compressed and stressed, and energy is stored, so that assistance is provided for converting from standing to sitting and converting from sitting to standing.
Owner:上海理工资产经营有限公司
Low titanium slag dry method treating device and dry method treating process
PendingCN111893322AIncrease productionReduce churnProcess efficiency improvementTetrachloridePhysical chemistry
The invention discloses a low titanium slag dry method treating device and a dry method treating process. The low titanium slag dry method treating device comprises a cyclone dust collector connectedwith titanium tetrachloride production equipment, an ash outlet of the cyclone dust collector is connected with an ash storage hopper, an outlet of the ash storage hopper is connected with an ash storage tank through a pipeline, and the ash storage hopper is connected with a nitrogen pressurization device and a pressure relief device; the top of the ash storage tank is connected with a bag-type dust remover, a gas discharge outlet of the bag-type dust remover is connected with an inlet of a titanium tetrachloride condenser, an outlet of the titanium tetrachloride condenser is connected with atitanium tetrachloride collecting container, and the titanium tetrachloride collecting container is also connected with a suction system for collecting non-condensable gas; and the bottom of the ash storage tank is connected with a dust cooling device, and an outlet of the dust cooling device is connected with a packaging device. According to the dry treatment method, materials separated by the cyclone dust collector can be separated again, and titanium tetrachloride products and low-titanium slag which can be sold out are collected respectively. The low titanium slag dry method treating device and the dry method treating process can solve the problems of high treatment cost and high environmental protection pressure of a low titanium slag wet slag flushing method.
Owner:洛阳双瑞万基钛业有限公司
A kind of shoulder-assisted lifting exoskeleton
ActiveCN109571435BHelp achieveAdapt to needsProgramme-controlled manipulatorJointsEngineeringPhysical therapy
The invention discloses a shoulder assistance support exoskeleton. The shoulder assistance support exoskeleton comprises an assistance module, a force transfer module and a main body connecting module; the main body connecting module comprises a waist belt worn on the waist and being adjustable in size; size-adjustable shoulder belts are fixedly connected with the waist belt; the back part of thewaist belt is vertically and fixedly connected with a lower adjusting plate; a lower connecting plate is fixedly connected with an adjustable main connecting plate; the main body connecting module mainly bears total support force; the positions of a first connecting rod and a second connecting rod in the force transfer module can be changed, so that the support force can be transferred, the shoulder moving range is widened, and the shoulder motion flexibility demands are met; the assistance module comprises a main shell, a cam spring energy storage module arranged in the main shell as assistance, and upper arm binding tools fixedly connected to a main shell base; the upper arm binding tools are fixed on the upper arms of users; the assistance module can realize assistance of the human shoulders in a self-adaption mode; the free swing of arms in a non-working section under a chest is not influenced; and the shoulder assistance support exoskeleton has the characteristics of high flexibility, no resistance, portability and easy wearing.
Owner:XI AN JIAOTONG UNIV
Manufacturing method for end shield of built-in grout block shield machine
The invention belongs to the technical field of tunneling engineering and particularly relates to a manufacturing method for an end shield of a built-in grout block shield machine. According to the invention, grouted blocks are cut and built one by one via the fixing of adjustable inner tube flanges on a winded whole shell, thus the size precision of the end shield is well ensured, the product quality and the efficiency are improved. As for the shell blanking accuracy, the accuracy is greatly improved as compared with that of the traditional method of calculating key point by using the metal plate feeding function of software, so that the method is beneficial for achieving the conical tube mode of the end shield. Compared with the method of winding the shell section by section and then welding with the grouted blocks, the novel integral-cutting and gradual-embedding form ensures product quality better, and is more stable and more reliable. The plate is wound for one time according to the novel method, however, when the sectional winding method is adopted, the plate winding efficiency will be increased, the manufacturing cost of products is improved, and the production efficiency is reduced,.
Owner:CHINA RAILWAY SCI & IND GRP RAIL TRANSPORTATION EQUIP LIMITED
power supply unit
ActiveCN108886247BHelp achieveSimple compositionMultiple input and output pulse circuitsElectric powerPower flowEngineering
Owner:AUTONETWORKS TECH LTD +2
Filter
PendingCN109876536AImprove filtering effectRealize online cleaningFiltration circuitsFoam dispersion/preventionParticulatesFilter effect
The invention provides a filter which comprises a first water treatment tank (100), a second water treatment tank (200), a filtering mechanism component and a demister; the filtering mechanism component is mainly composed of a one-level or multi-level filtering mechanism; the one-level or multi-level filtering mechanism is arranged on an outer wall of the shell of the first water treatment tank (100); the second water treatment tank (200) is connected with the first water treatment tank (100); the demister is arranged on the front-end process or rear-end process of the first water treatment tank (100) or on the front-end process or rear-end process of the second water treatment tank (200). The filter has an excellent filtering effect, is capable of removing particulate matters as well as foams from water, is suitable for the field of automobiles and is capable of realizing water recycling and online cleaning.
Owner:上海神源能源科技有限公司
Pull-out Chassis Brackets for Cabinets
ActiveCN104507291BSolve the problem that the chassis cannot be pulled out when removing the chassisHelp achieveSupport structure mountingEngineeringScrew thread
The invention relates to the field of modularized electrical cabinets, in particular to a pull-out type chassis bracket device for a cabinet. The chassis bracket device includes a bracket and a locking device assembled on the front of the bracket. The locking device includes a locking rod and a locking cap. The locking port with the tight hook, the screw sleeve is threaded on the lock rod, and the output sleeve is installed on the screw sleeve to prevent it from coming off. After pulling out the hook structure of the chassis, the output sleeve is assembled on the screw sleeve through the transmission sleeve assembled at the rear end, and the rear end of the transmission sleeve is provided with an inward turning edge that is turned inward. A rotary transmission mechanism is provided between the inturned edges of the screw sleeve to transmit the backward movement of the screw sleeve to the drive sleeve and to make the screw sleeve rotate relative to the drive sleeve. The invention solves the problem that the existing chassis bracket device used for the cabinet cannot help to pull out the chassis when removing and removing the chassis.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Water storage bucket capable of assisting carrying with stored water
ActiveCN110979914AEasy dischargeHelp achieveGeneral water supply conservationHydro energy generationWater storageWater flow
The invention discloses a water storage bucket capable of assisting carrying with stored water. The water storage bucket comprises a bottom plate, a water bucket is fixedly arranged on the upper end surface of the bottom plate, an upper water storage layer is arranged on the upper side in the water bucket, a lower water storage layer is arranged on the lower side in the water bucket, a water energy block is fixedly arranged on the left end surface of the bottom plate and between the upper water storage layer and the lower water storage layer, a water energy device is arranged in the water energy block, a water energy cavity is formed in the water energy device, and a water inlet channel is formed in the upper wall of the water energy cavity and the lower end of the left wall of the upper water storage layer in a communicating mode. According to the water storage bucket, the water bucket is divided into an upper layer and a lower layer, the water energy device is arranged between the two layers, after water stored in the upper layer flows through the water energy device, the potential energy of the water is converted into kinetic energy, the water is stored in the lower layer in thewater bucket, meanwhile the converted kinetic energy is transmitted into an assisting device and drives an idler wheel to roll, and assistance for people carrying water is achieved.
Owner:台州黄岩百千华日用品厂
A dynamic early warning identification method and system for power grid infrastructure projects
ActiveCN110135716BEmphasis on bilateralityEffective dynamic early warningResourcesInformation technology support systemPower gridComputer science
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING) +3
Brake booster for electric motor
ActiveCN101508286BHelp achieveForced Braking ConvenienceBraking action transmissionMotor driveElectric machine
The invention relates to a brake booster for electric vehicles and belongs to the technical field of electric vehicles. The device mainly comprises four parts: a motor-driven reciprocal circulation pressurization cylinder supercharging device, a high voltage energy storage device, an assistant force drive device and a controller. The controller is connected with the motor-driven reciprocal circulation pressurization cylinder supercharging device, the high voltage energy storage device, the assistant force drive device and a brake signal senor of an automotive brake respectively; the motor-driven reciprocal circulation pressurization cylinder supercharging device is connected with the high voltage energy storage device 2, and the high voltage energy storage device is connected with the assistant force drive device; and the assistant force drive device is connected with the car arrester 5. The brake booster for electric vehicles can save a vacuum booster device with the large volume, and facilitate the realization of the braking of assistant force simultaneously.
Owner:TSINGHUA UNIV
Method and device for processing commands of a telecom smart application card
The invention discloses a method for processing commands of a telecommunication intelligent application card, which is used for processing data commands received in a busy state. The method comprises: the telecommunication smart application card enters a busy state after receiving and executing the Fetch command; the telecommunication smart application card receives the encapsulation Envelope command sent by the terminal in the busy state; the telecommunication smart application card processes the Envelope command in the busy state To prevent data loss caused by discarding instructions. The invention also discloses a device for realizing the method.
Owner:BEIJING WATCH DATA SYST
Active knee joint structure with function of load-bearing and self-locking
InactiveCN102973337BEnsure balanceImprove efficiencyArtificial legsThighPhysical medicine and rehabilitation
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1
Super-start water jet loom
InactiveCN109023671AReduce switching timesIncrease the output voltageLoomsAuxillary apparatusControl systemSwitching frequency
The invention provides a super-start water jet loom comprising a loom body (800) and a water treatment device; the loom body (800) and the water treatment device are all positioned on a set working site; the working site is provided with a waste water tank (700); the loom body (800) is arranged on the waste water tank (700) in a spanning manner; the water treatment device is distributed on one orboth sides, positioned along the width extension direction, of the waste water tank (700); the water treatment device includes a control box (400), a control panel (401) is arranged in the control box(400), and the control panel (401) includes a loom super-start control system. In the super-start water jet loom disclosed in the invention, space of a box body is reasonably distributed, an originally narrow walkway can be prevented from being occupied by too many parts on one side. Two phase over-modulation technologies are adopted in the loom super-start control system, a modulation ratio is increased, the amplitude value of fundamental wave voltage is compensated, IGBT switching frequency can be lowered, and switching loss can be reduced.
Owner:上海神源能源科技有限公司
A Manual-Automatic Steering System Based on Two-stage Planetary Steering Machine
ActiveCN113232718BHelp achieveOperate normallySteering linkagesMechanical steering gearsHydraulic cylinderAutomatic steering
The invention relates to a manual-autonomous-integrated automatic steering system and method based on a two-stage planetary steering machine, belonging to the technical field of steering of unmanned tracked vehicles. The invention controls the hydraulic cylinder connected in parallel in the connecting rod system through the electro-hydraulic proportional valve with servo function, drives the action of the two-stage planetary steering gear, and then realizes the control of the vehicle steering; the application of the proportional valve reduces the impact on the oil. Accuracy requirements; the application of hydraulic control system to achieve rapid switching between automatic driving and manual driving; the addition of manual driving assistance functions; at the same time, it also retains a complete emergency mechanical manipulation function to ensure that the vehicle can be driven manually in the event of a hydraulic system failure Take control. The invention has the advantages of simple and feasible mechanism, convenient processing and installation, and is suitable for the harsh environment of the tracked vehicle.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +2
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