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45results about How to "Fully explore" patented technology

Method and device for power spectral parameter detection and analysis of pulse wave

The invention discloses a method and a device for power spectral parameter detection and analysis of pulse wave. The device comprises a master control module, a pulse wave detection sensor, a filter module, a sampling module, a liquid crystal display module, a serial port communication module, a SD (secure digital) card memory module and an upper computer software analysis system. The pulse wave detection sensor, the filter module, the sampling module, the master control module, the serial port communication module and an upper computer are connected in sequence. The master control module is respectively connected with the liquid crystal display module and the SD card memory module. Human pulse wave signals are converted into analog electrical signals through the pulse wave sensor, the analog electrical signals filtered by the filter module are converted into digital signals through the sampling module, the pulse wave signals are transmitted to the liquid crystal module for displaying after the digital signals are subjected to signal processing by the master control module, and the pulse wave signals are further analyzed through the SD card memory module and upper computer software. The method and the device can be used for accurately detecting the human pulse wave, and the device, which is simple and easy in operation, is provided for power spectral analysis of the pulse wave.
Owner:ZHEJIANG UNIV

Unmanned aerial vehicle searching method for underground multi-branch cave

The invention relates to an unmanned aerial vehicle searching method for an underground multi-branch cave. The method comprises the steps that the current state configuration of an unmanned aerial vehicle is acquired, and the current configuration space of the unmanned aerial vehicle is acquired through a laser radar sensor; sampling is carried out in the configuration space by using a path sampling algorithm to obtain a plurality of paths of the unmanned aerial vehicle in the configuration space, and a collision-free path are reserved; the future safety of each path is calculated according to the state configuration and configuration space of the unmanned aerial vehicle at the path end point, and the future safe path is reserved; the exploration income of each path is calculated, and the unmanned aerial vehicle executes the path with the maximum exploration income. Compared with the prior art, the method has the advantages that a plurality of paths are firstly acquired, the collision-free path and the future safe path are reserved in combination with obstacle information of the configuration space, and then the path with the highest income is selected, so that autonomous exploration of the unmanned aerial vehicle in an unknown multi-branch tunnel environment can be realized at a relatively high speed, and the unmanned aerial vehicle with limited cruising ability can carry out exploration in a larger range and a farther path.
Owner:TONGJI UNIV

Parallel fuzzy test method and system based on target point task division

The invention relates to a parallelization fuzzy test method and system based on target point task division, and aims to solve the problem of task conflict in the existing parallelization fuzzy test. And detecting code blocks which possibly have problems through a static code analyzer, and generating a target point set. By constructing CG and CFGs, the affiliation of each basic block in software and the distance between each basic block and a corresponding target point are calculated, and the affiliation information and the distance information of the basic blocks are integrated into an executable file through instrumentation compiling. A target point set can be obtained when each fuzzy test instance is started, and variation testing is carried out on seeds belonging to the target point set. And analyzing the vulnerability generated by the parallelization fuzzy tester, judging whether the vulnerability exists at the target point or not, if so, stopping exploring the target point, and further turning to other target points to continue exploring. The method is suitable for an aflgo parallelization fuzzy test model, the implementation principle is simple, and the software vulnerability detection efficiency is high.
Owner:HANGZHOU DIANZI UNIV

Cattle killing machine

ActiveCN102640779AIdeal driving effectElimination of repellent effectSlaughtering animals fettering apparatusSlaughtering/stunningAnimal scienceEngineering
The invention relates to a cattle killing machine, and belongs to slaughtering equipment. The cattle killing machine comprises a prisoner tube mechanism, a front push plate, a rear push plate, a cattle rump drive mechanism, a stranglehold mechanism, a cattle head turnover mechanism, a post-slaughter cattle ejecting mechanism, a cavity door start-stop mechanism and a power drive mechanism, wherein the prisoner tube mechanism comprises first and second bases, first and second beams, a top plate, a bottom plate, a left rotary disk, a right rotary disk and a cattle containing groove; one end of the lower part of the front push plate is arranged on the left rotary disk, and the other end of the lower part of the front plate is arranged on the right rotary disk; one end of the lower part of the rear push plate is connected with the left rotary disk, and the other end of the lower part of the rear push plate is connected with the right rotary disk; the cattle rump drive mechanism is arranged on a wall body on one side of the front push plate, and the stranglehold mechanism is arranged on the center position of the first base; the cattle head turnover mechanism is arranged on the stranglehold mechanism, and the post-slaughter cattle ejecting mechanism is arranged on the upper part of one side of the front push plate; the cavity door start-stop mechanism is arranged on the right rotary disk; and the power drive mechanism is arranged on one side of the first base or the second base, the two ends of the first beam are respectively provided with a rear push plate acting cylinder, and the two ends of the second beam are respectively provided with a front push plate action cylinder. The cattle killing machine provided by the invention has a simplified structure, the prisoner tube mechanism is avoided being damaged, and the balance property of a neck clamping force is good.
Owner:CHANGSHU SLAUGHTERING EQUIP SET

Driver control system and method for relieving traffic jam, medium, equipment and application

PendingCN114267191AFacilitate system optimization iterationIncreased accuracy of the modelRoad vehicles traffic controlNeural learning methodsDriver/operatorInformation dispersal
The invention belongs to the technical field of auxiliary driving in automatic driving, and discloses a driver control system and method for relieving traffic jam, a medium, equipment and application, and the method comprises the steps: employing the setting of centralized learning but decentralized execution, making a decision for each target vehicle node at each moment, achieving the same given target for all nodes, and enabling the target vehicle node to be a target vehicle node; therefore, the traffic jam problem is solved. Modeling is carried out on communication and information propagation between nodes by adopting a graph neural network GNN, a decision processor adopts Deep Q learning, and formed decision information is issued to drivers in each environment in the form of suggestion instructions. The method has the advantage of scene traversal depth and self-learning performance, all working conditions can be covered more easily through a big data system, a machine can extract environment characteristics and decision attributes by themselves, and system optimization iteration is facilitated; the model is perfected through data training, and the model accuracy is improved along with data completeness.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Killing machine

ActiveCN102640775AEliminate wandering spaceIdeal driving effectSlaughtering animals fettering apparatusSlide plateMachine
The invention relates to a killing machine and belongs to killing equipment. The killing machine comprises a trapping tube mechanism, a front push plate, a back push plate, a livestock hip driving mechanism, a strangulation mechanism, a livestock head turning mechanism, a killed livestock pushing-out mechanism, a cavity door opening and closing mechanism and a motive power transmission mechanism, wherein the trapping tube mechanism is provided with a left rotary disc and a right rotary disc. The killing machine is characterized in that a pair of guide rails are fixed on the front push plate, a hip pushing plate cavity is arranged in the center position of one end of the front push plate facing one end of the right rotary disc, the livestock hip driving mechanism comprises a first action cylinder, a second action cylinder, a sliding plate and a hip pushing plate, the first action cylinder is fixedly arranged on the front push plate, a first action cylinder post of the first action cylinder is connected with the sliding plate, the sliding plate is glidingly matched with the pair of guide rails, the second action cylinder is arranged on the sliding plate, a second action cylinder post of the second action cylinder is connected with the hip pushing plate, and the hip pushing plate corresponds to the hip pushing plate cavity. The killing machine has the advantages that the structure is simplified, an advancing and retreating moving space of the livestock after entering a cage mechanism is eliminated, and the head part of the livestock is ensured to sufficiently extend out of the left rotary disc, so the neck clamping action is smoothly carried out.
Owner:CHANGSHU SLAUGHTERING EQUIP SET

Cattle killing machine

ActiveCN102640773AIdeal driving effectElimination of repellent effectSlaughtering animals fettering apparatusAnimal scienceEngineering
The invention relates to a cattle killing machine, and belongs to slaughtering equipment. The cattle killing machine comprises a prisoner tube mechanism, a front push plate, a rear push plate, a cattle rump drive mechanism, a stranglehold mechanism, a cattle head turnover mechanism, a post-slaughter cattle ejecting mechanism, a cavity door start-stop mechanism and a power drive mechanism, wherein the prisoner tube mechanism comprises first and second bases, first and second beams, a top plate, a bottom plate, left and right rotary disks and a cattle containing groove; one end of the lower part of the front push plate is arranged on the left rotary disk, and the other end of the lower part of the front push plate is arranged on the right rotary disk; one end of the lower part of the rear push plate is connected with the left rotary disk, and the other end of the lower part of the rear push plate is connected with the right rotary disk; the cattle rump drive mechanism is arranged on a wall body on one side of the front push plate, and the stranglehold mechanism is arranged on the center position of the first base; the cattle head turnover mechanism is arranged on the stranglehold mechanism, and the post-slaughter cattle ejecting mechanism is arranged on the upper part of one side of the front push plate; the cavity door start-stop mechanism is arranged on the right rotary disk; and the power drive mechanism is arranged one side of the base, the stranglehold mechanism comprises a stranglehold gate action cylinder and a stranglehold door, and the cattle head turnover mechanism comprises a head turning action cylinder, a head turning frame, a connecting rod and a rocker arm. The prisoner tube mechanism is avoided being damaged, the balance property of a neck clamping force is good, and an oppressing effect of a laryngeal of cattle is improved.
Owner:CHANGSHU SLAUGHTERING EQUIP SET

Cattle killing machine

ActiveCN102640779BIdeal driving effectElimination of repellent effectSlaughtering animals fettering apparatusSlaughtering/stunningAnimal scienceEngineering
The invention relates to a cattle killing machine, and belongs to slaughtering equipment. The cattle killing machine comprises a prisoner tube mechanism, a front push plate, a rear push plate, a cattle rump drive mechanism, a stranglehold mechanism, a cattle head turnover mechanism, a post-slaughter cattle ejecting mechanism, a cavity door start-stop mechanism and a power drive mechanism, wherein the prisoner tube mechanism comprises first and second bases, first and second beams, a top plate, a bottom plate, a left rotary disk, a right rotary disk and a cattle containing groove; one end of the lower part of the front push plate is arranged on the left rotary disk, and the other end of the lower part of the front plate is arranged on the right rotary disk; one end of the lower part of the rear push plate is connected with the left rotary disk, and the other end of the lower part of the rear push plate is connected with the right rotary disk; the cattle rump drive mechanism is arranged on a wall body on one side of the front push plate, and the stranglehold mechanism is arranged on the center position of the first base; the cattle head turnover mechanism is arranged on the stranglehold mechanism, and the post-slaughter cattle ejecting mechanism is arranged on the upper part of one side of the front push plate; the cavity door start-stop mechanism is arranged on the right rotary disk; and the power drive mechanism is arranged on one side of the first base or the second base, the two ends of the first beam are respectively provided with a rear push plate acting cylinder, and the two ends of the second beam are respectively provided with a front push plate action cylinder. The cattle killing machine provided by the invention has a simplified structure, the prisoner tube mechanism is avoided being damaged, and the balance property of a neck clamping force is good.
Owner:CHANGSHU SLAUGHTERING EQUIP SET

5g network-based cultural tourism resource collection platform and collection method

The invention discloses a 5G network-based cultural tourism resource collection platform and collection method, including a collection terminal that sends cultural tourism resource data to a cloud server in real time through a 5G network; a cloud server that receives data sent by the collection terminal and stores it in the cloud; a cache unit , to download data from the cloud server; the automatic review system acquires data sequentially from the buffer unit, extracts the trajectory information in the data, judges whether the cultural tourism resource corresponding to the data is unknown according to the trajectory information, and sends the unknown cultural tourism resource data Send to the manual classification system; the manual classification system manually classifies unknown cultural tourism resources; the management system summarizes unknown cultural tourism resource data. The invention is used to solve the problems of low collection efficiency and chaotic and complicated data of emerging cultural tourism resources in the prior art, realize the purpose of improving the collection efficiency of cultural tourism resources, and at the same time facilitate the management and control of tourism management departments.
Owner:成都中科大旗软件股份有限公司

Light field image super-resolution reconstruction method based on frequency domain analysis and deep learning

The invention discloses a light field image super-resolution reconstruction method based on frequency domain analysis and deep learning, which first uses optical flow-based rendering and bicubic interpolation to generate an initial high spatial and angular resolution light field image; then adopts Discrete cosine transform is used to perform frequency domain conversion on the generated initial light field image to obtain a frequency component image that characterizes the characteristics of the light field image; based on this, super-resolution reconstruction can be modeled as a frequency restoration problem, so multiple 2D convolutions are constructed neural network to model the initial restoration of each frequency component, and integrate semantic information into the network to enhance the restoration effect; then combine the frequency components after the initial restoration and build a 3D convolutional neural network for fine restoration; finally, use The inverse discrete cosine transform is used to reconstruct all the restored frequency components into the required light field image; the advantage is that it can effectively improve the spatial and angular resolution of the light field image, and can restore texture information and retain angular consistency.
Owner:南通圣游网络科技有限公司
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