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48results about How to "Improve overall running speed" patented technology
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Train control system-based mobile authorization calculating method
ActiveCN101934807AAchieve precise positioningReduce run timeRailway traffic control systemsControl systemSafe operation
Owner:TRAFFIC CONTROL TECH CO LTD
Sequential contraction muscle training device
InactiveUS6923748B1Muscle strengtheningImprove overall running speedMuscle exercising devicesMovement coordination devicesMuscle trainingClosed kinetic chain
A training method and device for the lower body providing a mode of exercise that manifests as a functional, closed-kinetic-chain training of the gluteus maximus and the hamstrings in a natural sequential firing pattern. The device construction allows an upright stance so that during exercise the lower body mimics a stride action, as in walking. By combining this natural stride action with adjustable resistance elements in the device, a wide range of uses, from strength training to rehabilitation, are achieved. The device generally includes footplates that are movable in forward and backward directions and also can be simultaneously moved upward against resistance. The heel of the foot can simultaneously be raised with respect to the toe of the foot, also against resistance.
Owner:MAUZ JOHN J +1
Graphene film rolled materials and preparation method thereof
The invention discloses a preparation method of graphene film rolled materials. The preparation method comprises the following steps: preparing a graphene oxide solution; coating the solution onto a PI (polyimide) film, and drying to obtain the graphene film base materials; performing high-temperature carbonization and graphitization on the graphene film base materials, and calendering the graphene film by adopting a calendering machine to obtain a rolled graphene heat dissipation film. An innovative operation way comprises the special following steps: slicing the rolled graphene film base materials into the required specifications so as to obtain the graphene film base materials with various specifications and ensure that the graphene film base materials are in a rolled shape; then putting the rolled graphene film base materials in a common double-layer jig; putting the jig into a sintering furnace, and setting a required temperature curve according to products with different thicknesses; performing high-temperature carbonization, graphitization and temperature reduction on the products; taking the graphitized graphene film base material products out, and calendering the productsby using the calendering machine to obtain the rolled graphite heat dissipation film. The method has the advantages of simple process and easiness for popularization, and moreover, the graphene film has the excellent shielding effect and extremely strong heat dissipation performance.
Owner:苏州天煜新材料科技有限公司
Bionic quadruped robot based on flexible spine technology
The invention discloses a bionic quadruped robot based on a flexible spine technology. The bionic quadruped robot includes a head environment sensing module, a control and communication module, a flexible spine, and supporting legs; the bionic quadruped robot can realize difficult movement, such as large stride running, pivot steering, and the like, of an existing quadruped robot through the flexible spine and the cooperative action of corresponding control, due to the action of the flexible spine, the robot can make a trunk more stable through circulation transformation between elastic potential energy of a spring and kinetic energy of the front leg and the rear leg, motion instability caused by inertia of a body in complex terrain is reduced, and stability is improved. Movement performance, the environment sensing module, and the robot control and communication module are further combined, and the functions of autonomous obstacle avoidance and path planning of the quadruped robot can be realized.
Owner:INST OF INTELLIGENT MFG GUANGDONG ACAD OF SCI
Bale processing apparatus
InactiveUS20100219275A1Less horsepowerLess fuel requirementMowersAnimal feeding devicesKnife bladesStructural engineering
Bale processing apparatus is disclosed which includes an elongated bed for supporting bale of forage to be processed. Cutting blades are carried on transverse shafts at one end of the apparatus, and a conveyer advances the bale toward the cutting blades. The lowermost transverse shaft rotates opposite to the next adjacent transverse shaft. The cutting means further include an outwardly projecting blade to assist in cutting the forage material. In one embodiment, the cutting mill is tilted rearwardly.
Owner:WEISS LEONARD D
Novel passenger transport rail transit system
InactiveCN105313904AReduce wearImprove overall running speedRailway componentsRailway stationRail transitOperating speed
The invention discloses a novel passenger transport rail transit system. The system is characterized by comprising a train operation track, an annular track, a train and an auxiliary train set; a straight section of the annular track is divided into an acceleration section, a synchronizing section and a deceleration section, the train operation track is parallel with the straight section of the annular track, and the distance between the train and the auxiliary train set is between 30 cm and 100 cm. The novel passenger transport rail transit system has the advantages that energy is saved, abrasion of the train and the tracks is reduced, and the average operating speed of the train is increased; energy generated by the auxiliary train set in the acceleration synchronizing process and the braking process can be used by the auxiliary train set, so that the energy utilization rate is high; moreover, the auxiliary train set is used cyclically in the station, so the problem of back-and-forth transport of the auxiliary train set is avoided.
Owner:NANCHANG INST OF TECH
System, method and device for providing vehicle information
InactiveCN108243223AReduce experienceReduce the possibility of tamperingCustomer relationshipBuying/selling/leasing transactionsThird partyThe Internet
The invention relates to the internet-of-vehicle communication field and especially relates to a system, method and device for providing vehicle information. The method is characterized in that a usernode obtains vehicle state information of at least one vehicle owner node in a surrounding range, directly signs a temporary contract with one vehicle owner node selected based on the vehicle state information, and triggers the vehicle owner node to directly sign the temporary contract with the user node, to provide vehicle service for the user node based on the temporary contract and to delete the temporary contract when determining that the vehicle service ends. According to the method, the user node and the vehicle owner node no longer use a center node and no longer need a third-party platform as an interaction medium, and can directly finish service interaction, thereby preventing reduction of user experience due to slow system operating speed caused by large data storage at the center node side, reducing overall operating cost of the system, and meanwhile, reducing the possibility that the transaction settlement records between the user node and the vehicle owner node are tampered.
Owner:CHINA MOBILE COMM LTD RES INST +1
Method and device for manufacturing saw wire
InactiveUS20140026493A1Improve adhesionIncrease and decrease valuePigmenting treatmentCellsMetallurgyMetal
[Object]To provide a method and device for manufacturing an abrasive grain-fixed saw wire that realize homogeneous distribution of abrasive grains adhered to the outer surface of a wire while suppressing variations in the amount of abrasive grains adhered to the outer surface of the wire, even in a high-efficiency wire feeding mode with a high density of abrasive grains, back-and-forth running of the wire, and the like.[Constitution]The present invention includes: a plating tank 16A that stores a plating solution M1 containing abrasive grains D; a wire feeding means 2 that lets a wire W pass through the plating solution M1; an electric current supply means 3 that supplies an electric current to the wire W and the plating solution M1; an abrasive grain amount calculation means 4 that calculates the amount of abrasive grains D adhered to the outer surface of the wire W having passed through the plating solution M1; and an electric current control means 5 that increases or decreases the value of an electric current flown into the wire W in the plating solution M1 by the electric current supply means 3 according to the calculated amount of abrasive grains to control variations in the amount of the abrasive grains adhered to the outer surface of the wire so as to fall within a predetermined range.
Owner:NAKAMURA CHOKO
Fast adaptive corner combined center detecting method based on geometric features
The invention provides a fast adaptive corner combined center detecting method based on geometric features, and belongs to the technical field of image processing algorithms. The invention treats themarker by using the threshold binaryzation with different thresholds twice; then performs corner detection on the marker image by using the improved SUSAN algorithm to coarsely locate the center and the radius; performs Canny operator on the circular image after binarization to detect the edge, and radius-constrains the edge to obtain a refined and continuous edge; finally, processes the edge detected at this time, and obtains center coordinates of good precision by combining a mode of multi-processing and weighted averaging. The invention avoids the gradient calculation, reduces the interference caused by the noise, improves the rate of the algorithm, has good precision and running speed, is simple and easy to implement, and meets the real-time performance.
Owner:HARBIN INST OF TECH
Collaborative design method for multi-mode public transportation network and road network
The invention discloses a collaborative design method for a multi-mode public transportation network and a road network. The design method comprises a layout mode for different grades of urban roads in the road network and a setting method for various public transportations. In the aspect of the road network, branch roads are connected with secondary trunk roads, and the secondary trunk roads are connected with main trunk roads; the branch roads cannot be directly connected with the main trunk roads. In the public transportation setting aspect, conventional public transportations are arranged on the secondary trunk roads; BRTs (Bus Rapid Transit) are arranged on the main trunk roads, and special bus transit lanes are arranged in the main trunk roads; large-capacity rail transits (subways or light rails) are paved on express ways, and a distance between stations is more than 2 km; all the stations are arranged near intersections. The layout form of the road network can reduce the intersections on the main roads and effectively increases the running efficiency of the whole road network. With the setting mode of the public transportations, the traffic flow characteristics of all grades of urban roads can be fully utilized to configure corresponding types of public transportation modes, and the running efficiency can be increased. The collaborative design method has the advantages that the transference of passengers is convenient, the running efficiency is increased, and the waste of resources is reduced.
Owner:SOUTHEAST UNIV
Chip image recognition device and method
InactiveCN104900558AImprove overall running speedImprove product qualitySemiconductor/solid-state device testing/measurementSemiconductor/solid-state device manufacturingComputer graphics (images)Display device
The invention provides a chip image recognition device and method. The chip image recognition device comprises a first driving mechanism, a first conducting mechanism, a first guide rail, a first movement platform, a second driving mechanism, a second conducting mechanism, a second guide rail, a second movement platform, wafers, an image photographing device and a display device. The first driving mechanism drives the first movement platform to move on the first guide rail along a first direction via the first conducting mechanism. The second driving mechanism drives the second movement platform to move on the second guide rail along a second direction via the second conducting mechanism. The first movementdirection is perpendicular to the second movement direction. The wafers are fixed on the chip image recognition device and move in the first direction and the second direction along with the first movement platform and the second movement platform. The image photographing device is arranged above the wafers and used for photographing images of multiple chips in real time simultaneously. The display device is connected with the image photographing device and used for displaying the images photographed by the image photographing device.
Owner:FOSHAN BLUE ROCKET ELECTRONICS
Method for realizing data encryption and decryption functions by using embedded programmable logic gate array in smart card chip
ActiveCN103413164AObsolete Situation ImprovementReduce areaRecord carriers used with machinesComputer moduleSmart card
The invention discloses a method for realizing data encryption and decryption functions by using an embedded programmable logic gate array in a smart card chip. The invention discloses a device for realizing data encryption and decryption functions. The device comprises a system bus, a channel, an embedded micro controller and a smart card interface module, wherein the device also comprises a hardware encryption and decryption algorithm module which is formed by a decryption module and an encryption module; the embedded micro controller visits the smart card interface module through the systems bus to receive first data, and the decryption module is used to decrypt the first data, then the decrypted first data is subjected to later processing so as to complete the reception operation of the data; the embedded micro controller decrypts second data which is needed to be sent through the encryption module, and then the encrypted second data is sent through the channel so as to complete the sending operation of the data.
Owner:SHANGHAI XINCHU INTEGRATED CIRCUIT
Method and device for the electrolytic coating of a metal strip
Method for the electrolytic coating of a metal strip, in which the strip forms a cathode and is moved in its longitudinal direction relative to an anode, an electrolyte flowing at least between the strip and the anode, characterized in that the flow of the electrolyte is influenced by holding a body between the strip and the anode. A device for the electrolytic coating of a metal strip is also enclosed.
Owner:CORUS TECH BV
Start control method of air conditioner
ActiveCN113108423AReduce up-sampling cycleReduced turn-on cycleMechanical apparatusSpace heating and ventilation safety systemsThermodynamicsMechanical engineering
The invention relates to the field of air conditioners, and provides a start control method of an air conditioner. The air conditioner comprises a compressor, an evaporator, a condenser, an evaporation fan and a condensation fan. The method comprises the steps that when the air conditioner is started, the evaporation fan operates at a first preset rotating speed; and in the process from starting of the air conditioner to normal temperature adjusting operation, the frequency increasing process of the compressor has at most one stop point, and the current operation rotating speed of the evaporation fan is determined jointly according to the first preset rotating speed, the operation mode of the air conditioner, the outdoor environment temperature and the current operation frequency of the compressor, specifically, the current operation rotating speed of the evaporation fan is greater than the first preset rotating speed. The frequency increasing period of the compressor can be shortened, the air conditioner can quickly reach the normal temperature adjusting state, and the user experience can be improved; and in addition, it can be guaranteed that parts in the compressor cannot be excessively abraded in the continuous frequency increasing process of the compressor, and it can be guaranteed that the compressor normally operates for a long time.
Owner:GUANGDONG INST OF SCI & TECH
A method for realizing data encryption and decryption function by using embedded programmable logic gate array in smart card chip
ActiveCN103413164BObsolete Situation ImprovementReduce areaRecord carriers used with machinesMicrocontrollerSmart card
The invention discloses a method for realizing data encryption and decryption functions by using an embedded programmable logic gate array in a smart card chip. It includes a system bus, a channel, an embedded microcontroller and a smart card interface module, wherein the device also includes a hardware encryption and decryption algorithm module composed of a decryption module and an encryption module; the embedded microcontroller accesses the The smart card interface module is used to receive the first data, and after using the decryption module to decrypt the first data, post-process the decrypted first data to complete the data receiving operation; the embedded microcontroller After the second data to be sent is encrypted by the encryption module, the encrypted second data is sent through the channel to complete the data sending operation.
Owner:SHANGHAI XINCHU INTEGRATED CIRCUIT
Three-legged sports game training device
The invention discloses a three-legged sports game training device which comprises a bandage, wherein ring-shaped leg protection jackets are arranged at both ends of the bandage; stride frequency sensors are arranged on the ring-shaped leg protection jackets; and each stride frequency sensors is structured as follows: a wireless signal reception device is electrically connected with a signal acquiring and processing module, a digital converter, a single chip and an alarm, a stride frequency signal is received by the wireless signal reception device, fed back to the signal acquiring and processing module and then converted into a digital signal through the digital converter, the digital signal is fed back to the single chip, the single chip compares the input digital signal with a reference value stored in the single chip, and if the input signal is inconsistent with the reference value, an alarm is given through the alarm. The three-legged sports game training device has the beneficial effects of being simple in structure and low in production cost, effectively training the running stride frequency, the height from the feet to the ground, the span of the feet during the running and the like and effectively ensuring the safety of the game while greatly improving the running speed.
Owner:WENZHOU UNIVERSITY
Hierarchical cache system for ship navigation satellite communication antenna and use method thereof
PendingCN109597323AMeet processingImprove overall running speedProgramme controlAngle measurementMemory chipControl circuit
The invention discloses a hierarchical cache system for a ship navigation satellite communication antenna, comprising a control circuit board, an angle adjustment system, an azimuth adjustment system,an antenna turntable, a ring focus antenna, a tracking receiver, a collapsed source disk, a GPS positioning device, an angle sensor, a cache system and a photovoltaic charging vehicle; the control circuit board comprises a microprocessor; the cache system comprises a plurality of memory chips; the photovoltaic charging vehicle is used for providing electrical energy; the cache system is divided into a plurality of memory areas, and the microprocessor communicates with the memory areas and controls whether the memory areas run and buffer; the ring focus antenna is fixed on the antenna turntable; the collapsed source disk and the ring focus antenna are connected; the microprocessor adjusts the position of the antenna turntable according to the GPS positioning device and the detected signalangle sensor; and the microprocessor controls the running state of the memory areas according to the hierarchy of an instruction. By properly arranging the memory chips to run the cache, the problem of slow running speed is solved, and handling of the instruction when the ship communication antenna is in an emergency circumstance is met.
Owner:TAIZHOU KEPUNI COMM EQUIP CO LTD
Healthcare decompression pad capable of correcting plantar fasciitis
InactiveCN106074953ARelieve fatigueReduce the risk of injuryAntipyreticAnalgesicsLycopodium clavatum sporeCactus
The invention discloses a healthcare decompression pad capable of correcting plantar fasciitis. The decompression pad is characterized in that the decompression pad is made of one-step-formed gel, a traditional Chinese medicine ointment ring is arranged at the heel position of the decompression pad to form an outer ring, latex columns are evenly distributed on the periphery in the traditional Chinese medicine ointment ring, nano silver particles for massaging the heel are arranged at the tops of the latex columns, and the traditional Chinese medicine components in the traditional Chinese medicine ointment ring are prepared by, by weight, 5-10 parts of fresh cactus, 10-30 parts of radix clematidis, 5-20 parts of angelica sinensis, 7-25 parts of panax notoginseng, 10-30 parts of lycopodium clavatum, 1-3 loofah sponges, 10-30 parts of Eucommia ulmoides, 5-10 parts of semen cuscutae, 5-10 parts of ramulus cinnamomi, 1-3 parts of coconut oil, 1-2 parts of vitamin E and 500-1000ml of rice vinegar. The healthcare decompression pad has the advantages that the decompression pad is suitable for relieving heel pain and heel spurs and suitable for people with plantar fasciitis, people whose heels ache easily and foot lovers with high healthcare consciousness; the healthcare decompression pad is designed according to human body figure, the contact area between the planta pedis and the decompression pad is increased, the decompression latex columns can absorb shock, and the shock absorbing effect is further enhanced due to the fact that density of the material of the whole decompression pad is large.
Owner:鄢海军
Surge pressure control short joint
ActiveCN103790524ARelieve stressAchieve fracturingDrilling rodsDrilling casingsInternal pressureEngineering
The invention relates to a surge pressure control short joint which comprises a tool connecting mechanism, a middle short joint body and an internal pressure releasing mechanism. The middle short joint body is respectively connected with an upper connector of the tool connecting mechanism and a lower connector of the tool connecting mechanism. The surge pressure control short joint is characterized in that the internal pressure releasing mechanism is installed in the middle short joint body and comprises a valve seat, a valve seat sleeve, a valve plate, a torsional spring, a spring, a connecting shaft and a movable sleeve, the valve seat is connected with the valve seat sleeve, the other end of the valve seat sleeve is connected with the connecting shaft, the connecting shaft is sleeved with the spring, the other end of the connecting shaft and the movable sleeve are fixed, the valve plate is installed on one end face of the valve seat, a spraying nozzle is formed in the lateral side of the valve seat, a valve seat sealing ring is installed on the valve seat sleeve, and a bypass sealing ring is arranged on the movable sleeve. The surge pressure control short joint has the advantages that well leakage risks caused by the surge pressure can be reduced when a sleeve is installed; the surge pressure control short joint can be used for controlling the underground surge pressure in tail tube installation operation and other kinds of underground tubular column operation to reduce stratum fracturing and loss risks; the tubular column installation speed is quickened, and the efficiency for installing a tail tube and other tubular columns under a deep well and a convention well with complex geological conditions is greatly improved.
Owner:CNOOC ENERGY TECH & SERVICES
Digital media terminal user information acquisition method
ActiveCN112023341AImprove overall running speedEnsure safetyMovement coordination devicesCardiovascular exercising devicesTransmission beltSimulation
According to the digital media terminal user information acquisition method, a device used by the method comprises a main box body, a moving belt wheel cavity is formed in the main box body, a movingthrough cavity with an upward opening is formed in the upper side of the moving belt wheel cavity in a communicating mode, a rotating block cavity is formed in the front side of the moving belt wheelcavity, and a transmission belt is arranged on the front side of the rotating block cavity. Moving belt wheel shafts which are in bilateral symmetry and extend forwards to penetrate through moving belt wheel cavity into the front end wall of moving belt wheel cavity are connected into rear end wall of moving belt wheel cavity in running fit mode. By means of the automatic speed regulation function, the device can be continuously and slowly accelerated in the operation process, the running speed of a user can be continuously increased. According to the invention, the body of the user can reachthe extreme point rapidly; the exercise safety of the user is guaranteed; the device records the speed of the user reaching the extreme point through a mechanical structure; the user can be conveniently reminded of reaching the extreme point in advance during next exercise, and the user slowly exercises and prolongs the time of reaching the extreme point under the condition that the safety of theuser is guaranteed.
Owner:中通华普科技有限公司
High-speed stable production method of CQ-grade thin-gauge galvanized sheet
PendingCN113088855AImprove overall running speedIncrease production capacityHot-dipping/immersion processesFurnace typesFurnace temperatureManufacturing line
The invention relates to a high-speed stable production method of a CQ-grade thin-gauge galvanized sheet. According to the method, a continuous hot galvanizing unit sink roll preheating model, the purity of zinc liquid, a plan schedule, secondary crescent shearing, the temperature of an annealing furnace, a sink roll scraper and the tension of a zinc pot are comprehensively controlled, the average running speed of a CQ-grade thin-specification galvanized sheet is improved from 90m / min to 140m / min, the capacity is fully released, and the production efficiency is improved; the in-furnace wrinkle judgment change rate is reduced from 8.11% to below 1%, the scratch and wrinkle degradation judgment change rate is greatly reduced, and the cost is reduced; and the yield is greatly improved, cost reduction and efficiency increase are obvious, order delivery is effectively guaranteed, the productivity is greatly released, and the method can be applied to a continuous hot galvanizing production line.
Owner:SD STEEL RIZHAO CO LTD
Foot Vibration Reduction Method of Biped Running Robot
ActiveCN103587606BReduce vibrationImprove overall running speedVehiclesVibration attenuationPull force
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Method and system for antivirus by SIM card combined with cloud computing
InactiveUS8839436B2Promote antivirus softwareAvoid confictUnauthorised/fraudulent call preventionEavesdropping prevention circuitsSoftware vendorMobile device
The invention provides a method and a system of antivirus solution by using a SIM card combined with cloud antivirus. The method comprises that the signature data of a file of a present mobile device is sent to a cloud server; the cloud server receives the file the signature data and checks the received file the signature data by using a cloud virus database stored at the cloud server; and the cloud server sends the checking result back to the SIM card of the mobile device via OTA (Over-the-Air).The invention has the advantage of using the SIM card as the media of antivirus and communication so as to be convenient for the cooperation between a telecommunication service provider and an antivirus software vendor.
Owner:BEIJING NETQIN TECH
An automatic speed regulating treadmill
InactiveCN109200530AImprove securityImprove overall running speedMovement coordination devicesCardiovascular exercising devicesLow speedElectric machinery
The invention relates to an automatic speed regulating treadmill which belongs to the technical field of treadmills. The treadmill comprises a main frame (2), wherein a running board (4) is arranged above the main frame (2). The treadmill is characterized in that a plurality of running boards (4) are arranged side by side in front and back in the direction of the main frame (2), a position sensingunit is respectively arranged below each running board (4), and an output end of the position sensing unit is connected with a control circuit on the main control circuit board (5) through a connection line. In this automatic speed regulating treadmill, the treadmill is sent too multi-segment, the position sensing unit is arranged under each section of that running board, when the fitness workerpedals on different pedals, the control circuit realizes the automatic adjustment of the speed of the treadmill. When the fitness personnel run to the low speed area, the control circuit will controlthe acousto-optic alarm device to make the acousto-optic alarm while the driving motor slows down. The situation that the speed is slowed down due to the attention shift is eliminated at the first time, and the safety of the fitness is greatly improved.
Owner:SHANDONG HUIXIANG FITNESS EQUIP
Interstation green wave control method of high-density intersections of arterial buses
InactiveCN103050017BImprove operational efficiencyImprove overall running speedRoad vehicles traffic controlHigh densityPollutant emissions
The invention discloses an interstation green wave control method of high-density intersections of arterial buses. The method solves the problem that bus vehicles need to repeatedly stop for waiting red lamps when the gaps of the intersections in an urban trunk road are close is solved through the cooperative control of bus green waves among bus stations. The method comprises the following steps of determining the signal lamp group division and marking the number, presetting bus two-way green waves in a signal lamp group, judging passing request of bus vehicles, dividing bus green wave motorcades, and determining the bus vehicle speed induction and the early starting duration of the signal lamp group. The method has the advantages that the design is simple and convenient, the calculation is easy, after the bus vehicles are provided with interstation green wave control, the operation speed is greatly accelerated, the bus stop delay is reduced, and meanwhile, the pollutant discharging and the energy consumption are also greatly reduced.
Owner:SOUTHEAST UNIV
Agitation Stress Control Subsection
ActiveCN103790524BRealize bypass diversionImprove overall running speedDrilling rodsDrilling casingsInternal pressureEngineering
Owner:CNOOC ENERGY TECH & SERVICES
A method for collecting digital media terminal user information
ActiveCN112023341BImprove overall running speedEnsure safetyMovement coordination devicesCardiovascular exercising devicesTransmission beltSimulation
Owner:中通华普科技有限公司
Agricultural unmanned aerial vehicle
InactiveCN110979683AIncrease the throwing radiusIncrease running speedAircraft componentsSeed depositing seeder partsMaterial typeAutomotive engineering
Owner:WEIFANG ENG VOCATIONAL COLLEGE
Multi-legged robot
PendingCN114313051AReduce energy consumptionImprove battery lifeVehiclesMechanical engineeringRoboty
The invention relates to the related technical field of robots, and discloses a multi-legged robot which comprises at least two robot units, each robot unit comprises a rack, a control mechanism, a driving mechanism and a foot part are installed on each rack, every two adjacent robot units are connected through a connecting structure, each connecting structure comprises a connecting part and an elastic part, and the connecting parts are connected with the connecting parts. The connecting parts are connected with the robot units, and the elastic parts are connected with the connecting parts on the adjacent robot units. According to the multi-legged robot, the elastic part is arranged to serve as the spine of the multi-legged robot, the multi-legged robot has the potential of higher running speed due to the elastic spine while modular assembly is achieved and the number of feet is freely adjusted, and under the same speed, the energy consumption is lower, the endurance is longer, and the posture adjustment of each robot unit is more free; and the terrain adaptability is higher.
Owner:ZHEJIANG UNIV HANGZHOU GLOBAL SCI & TECH INNOVATION CENT
Self-positioning error elimination method for closed-loop detection robot based on effective key frame
ActiveCN110531618BAvoid selection ambiguity issuesGood extraction jobAdaptive controlData setComputer vision
The invention discloses a self-positioning error elimination method for a closed loop detection robot based on effective key frames. The method comprises the steps of coarsely extracting the key frames based on a drift rate, wherein the drift rate is used as the other selection principle to be fused into key frame extraction of ORB-SLAM; adopting fine extraction based on deep learning for the keyframe parts of which regional characteristics are similar, using Alex-NET to learn, and thus completing fine extraction of the key frames; and at last, performing historical closed loop detection based on the set of the aforementioned effective key frames, to judge that whether a robot enters a same historical state. According to method, the motion situation with large drift can be well processedvia a multi-angle effective key frame selection strategy; by using a deep learning network the problem that key frame extraction of the similar areas is fuzzy is avoided; and due to closed loop detection based on the historical key frame data set, the problem of time waste caused under the condition that the closed loop occurs or the closed loop less occurs is avoided, the running speed of the system is improved, and the algorithm complexity of the whole process is reduced.
Owner:HOHAI UNIV
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