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44results about How to "Promote the process of intelligence" patented technology

Emergency prevention and control system

PendingCN107682670AEnable real-time dialogueRealize inspection and controlTelevision system detailsCharacter and pattern recognitionMultiple applicationsReal-time computing
The invention relates to an emergency prevention and control system. The system comprises a management server, and multiple monitoring terminals and multiple control terminals communicated with the management server; the monitoring terminals comprise a processor, a camera, a memorizer, a digital pickup and an alarming button which are connected with the processor; the processor comprises a comparison module and an alarming module, wherein the comparison module is used for comparing the video information collected by the camera with a preset event element in the memorizer, and sending an alarming instruction to the alarming module if detecting the same preset event element; the alarming module forms the alarming information with monitoring terminal number information for giving out the alarming information, the alarming information is sent to the management server; the alarming button is connected with the alarming module; the management server sends video-recording and audio-recordinginstructions to the camera and the digital pick-up of the monitoring terminal after verifying the alarming; a human-vehicle feature fast collection module sends a fast collection instruction. The emergency prevention and control system disclosed by the invention integrates multiple application technologies, is good for the police and beneficial to the people.
Owner:BEIJING SHENZHOU DIGITAL SOURCE TECH CO LTD

Maglev train levitation system debugging method based on digital twinning technology

The invention relates to a maglev train levitation system debugging method based on a digital twinning technology, which comprises the following steps: a digital twinning construction step: constructing a digital twinning body of a maglev train levitation system, and carrying out communication connection between the digital twinning body and the maglev train levitation system; a levitation data collection and perception step: acquiring and perceiving levitation data by the levitation system of the maglev train through a sensor, and transmitting the levitation data to the digital twinning bodyin real time; and a suspension system debugging step: observing and debugging the suspension state of the digital twinning body in real time through a visual means so as to react on the maglev train suspension system. Compared with the prior art, the method effectively verifies the effectiveness of parameter debugging when the train operation condition changes significantly, further improves the debugging accuracy based on the digital twinning body virtual model, improves the working environment of debugging personnel, and reduces the labor time cost and economic cost.
Owner:TONGJI UNIV

Braking control method, device and equipment of electric vehicle and storage medium

ActiveCN113580948ANormal deceleration guaranteeNormal deceleration demand guaranteeBraking action transmissionElectrodynamic brake systemsPower batteryElectrical battery
The invention discloses a braking control method, device and equipment of an electric vehicle and a storage medium. The method comprises the steps that running data of the vehicle are obtained in real time; when the vehicle runs in the hydraulic compensation mode, the corresponding whole vehicle required recovery torque is obtained based on the current pedal opening degree, the real-time vehicle speed and the sliding recovery strength of the vehicle; a corresponding available torque of the battery is obtained based on the charging power of the power battery; the hydraulic compensation demand torque of the vehicle is determined according to the relation among the whole vehicle demand recovery torque, the battery available torque and the motor recovery torque; and the brake master cylinder of the vehicle is controlled to conduct hydraulic loading at the speed matched with the hydraulic compensation demand torque, so that braking of the vehicle is achieved. According to the braking control method, device and equipment of the electric vehicle and the storage medium, when the vehicle decelerates, compensation is provided for the braking energy recovery system by calculating the hydraulic demand torque, and therefore normal deceleration of the vehicle is guaranteed.
Owner:HUMAN HORIZONS (JIANGSU) TECH CO LTD

Hob state intelligent monitoring method of numerical control hobbing machine

The invention discloses a hob state intelligent monitoring method of a numerical control hobbing machine. The method comprises the following steps that S1, B-axis vibration signals are collected in real time; S2, data segmentation is conducted on the B-axis vibration signals; S3, a hob state standard sample set X is constructed, and a simple initial feature vector f0 is extracted; S4, a hob statemutual K neighbor graph G is constructed, and feature selection is carried out to form a sample feature vector f; and S5, a hob state feature matrix F is constructed, a fuzzy similarity relation matrix R is built, a transmission closure t(R) is constructed and clustering analysis is carried out, and hob state recognition is realized. According to the method, the hob state mutual k neighbor graph is constructed, main shaft vibration signal processing of the numerical control hobbing machine is combined with an atlas theory, on-line real-time monitoring of the hob state can be realized, so thatthe hob replacement and the blade grinding can be carried out in time, expansion cracks and hob teeth fractures are avoided, the dependence on professional skills of operators can be reduced, and theintelligent process of the numerical control hobbing machine can be promoted.
Owner:CHONGQING UNIV

Coal caving method based on coal seam geographic information system

The invention discloses a coal caving method based on a coal seam geographic information system, belongs to the technical field of automatic control of fully mechanized caving faces, and relates to hydraulic support coal caving opening parameters and coal caving step pitch control. According to the coal caving method based on the coal seam geographic information system, a spatial position relationmodel of a coal mining machine, a hydraulic support and a scraper conveyor is established, a coal and gangue recognition system and a coal flow detection system are established on a fully mechanizedcaving face, geographic information such as the coal and rock trend and the inventory of the working face is detected through the GIS technology, and a coal and rock distribution condition diagram ofthe whole working face is obtained;each coal caving parameter is determined by utilizing the coal and rock distribution condition diagram and historical coal caving database information, and the coalcaving parameters are recorded and corrected according to the gangue content and the top coal caving rate obtained by the coal and gangue recognition system and the coal flow detection system after each round of coal caving; and dynamically optimizing and correcting the coal caving parameters are carried out, so that the coal caving control method is automatically adjusted according to the thickness change of a coal seam, and the application adaptability of the fully mechanized caving technology is higher.
Owner:CHINA UNIV OF MINING & TECH

intelligent home management platform based on Hadoop

The invention relates to an intelligent home management platform based on Hadoop, and the platform comprises an SSH-based intelligent home management module and an improved inheritance-based intelligent home management module. The invention discloses a task scheduler of an ant colony algorithm. The smart home management module monitors and controls home equipment, and a smart home management system which is loosely coupled, easy to maintain and capable of providing convenient services for home users is achieved. At the same time, the improved heredity-will be obtained The ant colony algorithmand the Hadoop platform task scheduler are fused to schedule platform access tasks, computing resources are reasonably distributed, the load balance level of the platform is improved, and task execution time is shortened. According to the invention, the problem of poor redundancy of a traditional smart home server is effectively solved; In addition, a user behavior data mining system can be integrated on the platform, an intelligent control scheme is decided, the intelligent degree of the smart home is improved, the user experience effect is improved, and meanwhile development of the Internetof Things smart home industry is promoted.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Video simulation method and device based on residual reconstruction

The invention discloses a video simulation method and device based on residual reconstruction, and the method comprises the steps: decoding a to-be-processed video through a sparse representation algorithm based on an initial sampling interval, and respectively obtaining a pre-sampling video frame, a post-sampling video frame and a sampling moment video frame; carrying out vectorization processing; calculating a predicted value of a measurement vector at a sampling moment, and obtaining a corresponding adaptive sampling interval; reconstructing the measurement vector at the sampling moment based on the initial sampling interval and the self-adaptive sampling interval; decoding the reconstructed sampling moment measurement vector to obtain an adaptive sampling moment video frame; and performing simulation output by using the decoded adaptive sampling moment video frame. According to the video simulation method and device based on residual error reconstruction provided by the embodimentof the invention, through a specific algorithm based on residual error reconstruction, video simulation can adjust different sampling intervals according to real-time images, the effect of video simulation is improved, and the intelligent process of simulation sampling is promoted.
Owner:GCI SCI & TECH +1

NB-IOT-based intelligent garbage classification system

The invention discloses an NB-IOT-based intelligent garbage classification system. The intelligent garbage classification system comprises a remote control platform and an intelligent garbage can. The intelligent garbage can of the system comprises an intelligent classification module, a classification conveying module and classification storage modules; the intelligent classification module intelligently classifies and identifies thrown garbage, and the classification conveying module receives a classification instruction given by the intelligent classification module and conveys the garbage into the corresponding classification storage module. The remote control platform of the system manages an intelligent garbage can group in a designated area in a centralized mode through NB-IOT, receives the capacity and classification abnormity signals of the intelligent garbage can, sends the specific positions of full-capacity garbage cans to mobile phones of sanitation workers, and meanwhile conducts manual online recognition on the garbage which is classified abnormally. Intelligent garbage classification is achieved based on a BP neural network, intelligent hardware is adopted to replace manual classification, the labor cost and risk of sorting are reduced, meanwhile, real-time online monitoring of the state of the intelligent garbage can by the remote control platform is achieved based on the NB-IOT, the problems of garbage can full capacity and abnormal classification are solved in time, the working flexibility of the intelligent garbage classification system can be effectively improved, and work of workers is reasonably arranged.
Owner:SHENYANG UNIV

Dynamic adjustment method for infrared temperature measuring period of transformer station equipment

The invention discloses a dynamic adjustment method for an infrared temperature measuring period of transformer station equipment and belongs to the technical field of electric power systems. According to the invention, an expert knowledge rule base is created according to the adjustment content of the infrared temperature measuring period; the percentage of the load and schedule load, as well as the percentage of the load and minimal interval carrying capacity where the load is positioned, can be computed; a mathematical expression of the expert knowledge rule base is built; and an inference machine is adopted to perform inference for the mathematical expression of the expert knowledge rule base, thereby, obtaining the temperature measuring period adjustment result. According to the method provided by the invention, the infrared temperature measuring period can be automatically adjusted according to variation of the scheduling load, thereby timely discovering hot potential hazard of the equipment, and providing effective means for ensuring the safe and steady operation of the electric power equipment.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Vehicle electronic mechanical braking system

The invention relates to the field of vehicle braking, in particular to a vehicle electronic mechanical braking system. The vehicle electronic mechanical braking system comprises a movable chassis (1) and an executing device (2) and is characterized in that the movable chassis (1) comprises two parts of a supporting device and parallel tracks, and the movable chassis (1) mainly achieves the functions of bearing and restricting the device operation direction; and the executing device (2) comprises a transmission part and a braking part and is fixedly connected with the upper surface of the chassis (1). The vehicle electronic mechanical braking system has the characteristics of being simple in structure, good in braking effect, high in automation degree and the like, and the functions of precise braking, energy conservation and emission reduction can be achieved.
Owner:ANHUI UNIV OF SCI & TECH

Resource reaching method and device, computer equipment and computer readable storage medium

The invention discloses a resource reaching method and device, computer equipment and a computer readable storage medium and relates to the technical field of internet, creating a target area programfor the target mall, stores of the shopping mall are integrated in the target area program; and the to-be-delivered entity resources received by the target area program are delivered to the store forstock preparation and then delivered to the community geographic position by the target delivery facility, so that convenience is provided for the user community to select resources, manpower and material resources are saved, the characteristics of the store belonging to the same shopping mall are fully utilized, and the intelligent process is promoted. The method comprises the steps of receivingat least two to-be-distributed entity resources selected by a target user community based on a target area program; determining a target store for providing at least two to-be-delivered physical resources in the plurality of stores, and issuing the at least two to-be-delivered physical resources to the target store; when a completion response returned by the target store is received, distributioninformation is generated; and determining a target distribution facility, and issuing the distribution information to the target distribution facility.
Owner:KOUBEI SHANGHAI INFORMATION TECH CO LTD

Virtual group resource and order generation method and device, equipment and storage medium

The invention discloses a virtual group resource and order generation method and device, equipment and a storage medium, relates to the technical field of Internet, and enables a user to purchase commodities in an application program with a social contact function by utilizing the linkage of the application program with a social contact function and an application program with a shopping function, and moreover, the communication capability of the virtual group is utilized, order combination is realized, the resource utilization rate is improved, the operation is simple, additional application downloading is not needed, and the intelligent process of online service is promoted. The resource of the virtual group comprises: providing an initiation entry of resource change located in the virtual group; in response to the initiation of the resource change, generating a resource change plug-in for displaying the resource change; in response to the operation of resource change, processing the resource change and updating the resource change plug-in; and in response to an ending operation of the resource change, generating a payment entrance in the virtual group.
Owner:ZHEJIANG KOUBEI NETWORK TECH CO LTD

Output time acquisition method and device, computer equipment and readable storage medium

The invention discloses an output time acquisition method and device, computer equipment and a readable storage medium and relates to the technical field of internet. The method comprises steps of obtaining seal information and order information, amd when the status bit information of the seal information indicates that the encapsulation is finished, determining a time point when the seal information and the order information are obtained as output time; the last step of operation output by the target object is utilized; the output time is obtained, irreversibility of the electronic seal is provided, the accuracy of the output time is improved, the uploading rate of the output time is increased, the instant distribution efficiency is guaranteed to the maximum extent, an effective informatization means is provided for offline behaviors, and the informatization and intellectualization process of catering services is promoted. The method comprises the steps of obtaining seal information and order information of a target object; if the status bit information indicates that packaging is completed, determining a time point when the seal information and the order information are acquiredas output time; and uploading the seal information, the order information and the output time.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

Automobile intelligent control system, method and equipment and storage medium

The invention discloses an automobile intelligent control system, method and equipment and a storage medium, and is suitable for an automobile provided with a vehicle-mounted refrigerator. The system comprises an automobile controller, a vehicle-mounted refrigerator controller and a vehicle-mounted refrigerator control device; and the vehicle-mounted refrigerator controller is in communication connection with the automobile controller and the vehicle-mounted refrigerator control device separately. The vehicle-mounted refrigerator controller is configured to: receive a control signal correspondingly sent by the automobile controller or the vehicle-mounted refrigerator control device when a control signal sending condition is met; analyze the control signal to obtain a corresponding regulation and control strategy; and controls automobile components related to the regulation and control strategy to carry out work adjustment according to the regulation and control strategy. According to the automobile intelligent control system, method and equipment and the storage medium provided by the embodiment of the invention, the control strategy related to the vehicle-mounted refrigerator controller is constructed, so that the intelligent degree of the automobile control system is improved, and various user function requirements are reasonably met.
Owner:HUMAN HORIZONS (JIANGSU) TECH CO LTD +1

Waiting time obtaining method and device, computer equipment and readable storage medium

The invention discloses a waiting time obtaining method and device, computer equipment and a readable storage medium, relates to the technical field of the Internet, and aims to obtain environment data and behavior data, calculate the credibility of time windows corresponding to the environment data and the behavior data, determine waiting time, calculate the waiting time by utilizing multivariatedata, and obtain the waiting time. The problem that the geofence coverage area based on a single signal is too large or too small is solved, and the calculation accuracy is improved. The method comprises the steps of obtaining multiple pieces of environment data and multiple pieces of behavior data of a target distribution facility in a historical distribution process; mapping the plurality of environment data and the plurality of behavior data to a plurality of time windows of a historical distribution process, and calculating a plurality of credibility of the plurality of time windows; determining an arrival time window and a departure time window in the plurality of time windows according to the plurality of credibility; and taking a time interval between the arrival time window and the departure time window as waiting time.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

Multi-modal data processing method applied to robot interaction

The invention discloses a multi-modal data processing method applied to robot interaction, and the method comprises the steps that target visual information data are obtained, and target touch information data are obtained; based on a multi-modal data fusion model, fusion processing is conducted on the target visual information data and the target tactile information data to obtain fused instruction information data; the multi-modal data fusion model is obtained by training visual information sample data and tactile information sample data which can reflect robot action instructions; and the instruction information data are recognized, and the instruction information data are output to an action component of a robot associated with the instruction information data. According to the multi-modal data processing method applied to robot interaction, the visual data and the touch data are subjected to multi-modal fusion, the data processing precision is improved, and the intelligent process of the robot is promoted.
Owner:GUANGDONG ARTIFICIAL INTELLIGENCE & DIGITAL ECONOMY LAB (GUANGZHOU) +1

Equipment starting method and device, equipment and equipment readable storage medium

The invention relating to the technical field of internet discloses an equipment starting method and device, equipment and an equipment readable storage medium. Distribution equipment can acquire a first to-be-identified biological feature; and the first to-be-identified biological feature is identified based on cached target order information; when the target order information is identified and determined to comprise the first to-be-identified biological feature and the first to-be-identified biological feature is a customer feature, the unlocking operation is executed, so that the identity of a person requesting to open the distribution equipment is recognized, only a customer can open the distribution equipment after the distribution equipment is sent out. An effective informatization monitoring means is provided for offline behaviors, and the informatization and intelligentization process of catering services is promoted. The method comprises the following steps: collecting a firstto-be-identified biological feature; identifying the first to-be-identified biological feature based on the cached target order information; and when the target order information is determined to comprise the first to-be-identified biological feature and the first to-be-identified biological feature is identified as the customer feature, executing an unlocking operation.
Owner:KOUBEI SHANGHAI INFORMATION TECH CO LTD

Resource distribution method and device, computer equipment and computer readable storage medium

The invention discloses a resource distribution method and device, computer equipment and a computer readable storage medium, and relates to the technical field of the Internet, after a merchant end completes resource distribution, a platform is notified to distribute the same resource to a user platform account in an event form, and the resource distribution efficiency is improved. Therefore, the user can directly check the received resource in the user platform account of the public domain, and does not need to log in the target store of the private domain to check, so that the public domain transmission of the private domain resource is realized, the resource utilization rate is improved, and the intelligent process of online service is promoted. The method comprises the steps of determining a first to-be-issued resource and a target store in response to a resource issuing request of a user side; matching a user store account of the user side in the target store, and issuing the first to-be-issued resource to the user store account; and generating a first resource distribution event based on the first resource identifier of the first to-be-distributed resource and the user store account, and transmitting the first resource distribution event to the target platform.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

A Template Sewing Machine with Electromagnetic Tension Adjuster

The invention discloses a template sewing machine with an electromagnetic tension adjuster, which comprises a station platform, a machine frame, a head, a splint, a longitudinal groove, a moving beam and a sliding block, and is characterized in that: the head is provided with an electromagnetic The tension adjuster, the electromagnetic tension adjuster includes a tension disc, a mounting screw, an electromagnetic coil and an armature, and the electromagnetic coil is connected with the control unit of the template sewing machine. Compared with the prior art, the present invention has the following advantages: the electromagnetic coil is connected to the control unit of the template sewing machine, so that the current line speed can be read through the control unit, and the estimated range of tension should be controlled, and then realized by controlling the magnitude of the current in the electromagnetic coil For the automatic control of tension, such a scheme can promote the intelligent process of the template sewing machine, further realize automatic control, and reduce labor costs.
Owner:HEFEI AORUI DIGITAL CONTROL SCI & TECH

Device opening method, apparatus, device, and device-readable storage medium

The invention discloses a device opening method, device, device and device-readable storage medium, and relates to the technical field of the Internet. The distribution device can collect the first biometric feature to be identified, and identify the first biometric feature to be identified based on the cached target order information. , when it is determined that the target order information includes the first biometric feature to be recognized and the first biometric feature to be recognized is the customer feature, the unlocking operation is performed to realize the identification of the person who requests to open the delivery device, so that only Only customers can open it, and have effective information monitoring methods for offline behaviors, and promote the process of informatization and intelligentization of catering services. The method includes: collecting a first biometric feature to be identified; identifying the first biometric feature to be identified based on cached target order information; When it is recognized as a customer characteristic, the unlocking operation is performed.
Owner:KOUBEI SHANGHAI INFORMATION TECH CO LTD

Behavioral data processing method, device, computer equipment and readable storage medium

The invention discloses a behavior data processing method, device, computer equipment and readable storage medium, relates to the field of Internet technology, determines the change trend of the pressure of the seat, forms the behavior state, and counts the behavior data, so that the behavior can be actively formed Data, and select the best delivery personnel for assignment, without the need to passively record behavior through the feedback of delivery personnel, improve the authenticity of behavior data, ensure the fairness of scoring, minimize the risk of negative impact, and ensure delivery efficiency. The method includes: performing pressure detection on the vehicle seat to determine the current bearing pressure of the vehicle seat; when it is detected that the bearing pressure changes and the change amount reaches a pressure threshold, determine the change time point of the change, and obtain the geographic location information of the current position ; According to the change trend of the pressure, the behavior state is generated; the change time point, behavior state and geographical location information are used as behavior data, and the behavior data is transmitted.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

Output time acquisition method, device, computer equipment and readable storage medium

The invention discloses an output time acquisition method and device, computer equipment and a readable storage medium and relates to the technical field of internet. The method comprises steps of obtaining seal information and order information, amd when the status bit information of the seal information indicates that the encapsulation is finished, determining a time point when the seal information and the order information are obtained as output time; the last step of operation output by the target object is utilized; the output time is obtained, irreversibility of the electronic seal is provided, the accuracy of the output time is improved, the uploading rate of the output time is increased, the instant distribution efficiency is guaranteed to the maximum extent, an effective informatization means is provided for offline behaviors, and the informatization and intellectualization process of catering services is promoted. The method comprises the steps of obtaining seal information and order information of a target object; if the status bit information indicates that packaging is completed, determining a time point when the seal information and the order information are acquiredas output time; and uploading the seal information, the order information and the output time.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

Template sewing machine achieving automatic adjustment of thread tension

The invention discloses a template sewing machine with achieving automatic adjustment of thread tension. The template sewing machine comprises a station platform, a machine head, a plate clamping device, a longitudinal groove, a moving beam and a sliding block. The template sewing machine is characterized in that the machine head is provided with an electromagnetic tension adjustor and a thread tension sensor, the electromagnetic tension adjustor comprises a thread clamping disc, an installing screw, an electromagnetic coil and an armature, and the thread tension sensor and the electromagnetic coil are connected with a control unit of the template sewing machine. Compared with the prior art, the template sewing machine has the advantages that the electromagnetic coil and the thread tension sensor are connected with the control unit of the template sewing machine, the current threading speed is read through the control unit, the range where the tension should be controlled is estimated, and then the thread tension can be measured in real time through the thread tension sensor; the current of the electromagnetic coil is adjusted in time by comparing the pre-judged tension value with the real tension value in real time, and therefore the intelligent and automatic control over the thread tension is achieved.
Owner:HEFEI AORUI DIGITAL CONTROL SCI & TECH

Resource distribution method and device, computer equipment and computer readable storage medium

The invention discloses a resource distribution method and device, computer equipment and a computer readable storage medium, and relates to the technical field of Internet. A graphic identification code is identified based on a third-party platform, so that when the third-party platform constructs rights and interests resources and receiving conditions according to supplier activity contents and determines that a user can get the rights and interests resources, the right and interest resources are issued, and an offline resource acquisition function is provided for the user by using the graphic identification code, so that offline interaction is increased, and the utilization rate of the resources is improved. The method comprises the following steps: identifying a graphic identification code of a supplier, and constructing a rights and interests resource and a receiving condition; determining user information of the current login account and a target time point when the graphic identification code is identified, and judging the user information and the target time point based on the receiving condition; when it is determined through judgment that the user information and the target time point meet the receiving condition, displaying a receiving page; and in response to the condition that the receiving entrance is triggered, distributing the rights and interests resource to the current login account.
Owner:KOUBEI SHANGHAI INFORMATION TECH CO LTD

Marine DC power supply integrated energy management system

The invention relates to a marine DC power supply integrated energy management system. The system comprises a charging and discharging board which is in circuit connection with a storage battery pack on a ship, a storage battery information acquisition device which is in circuit connection with the storage battery pack and the charging and discharging board, and at least two intelligent discharging boxes which are in circuit connection with the charging and discharging board; the charging and discharging board is used for realizing charging and discharging management on the storage battery pack; the storage battery information acquisition device acquires voltage and temperature information of the storage battery pack and sends the information to the charging and discharging board; and the intelligent discharging boxes realize discharging control on the storage battery pack. According to the marine DC power supply integrated energy management system of the invention, efficient, intelligent and lossless charging of the storage battery pack of the ship is realized, and the service life of the storage battery pack of the ship is effectively prolonged.
Owner:中国船舶电站设备有限公司

An intelligent monitoring method for hob state of CNC gear hobbing machine

The invention discloses a hob state intelligent monitoring method of a numerical control hobbing machine. The method comprises the following steps that S1, B-axis vibration signals are collected in real time; S2, data segmentation is conducted on the B-axis vibration signals; S3, a hob state standard sample set X is constructed, and a simple initial feature vector f0 is extracted; S4, a hob statemutual K neighbor graph G is constructed, and feature selection is carried out to form a sample feature vector f; and S5, a hob state feature matrix F is constructed, a fuzzy similarity relation matrix R is built, a transmission closure t(R) is constructed and clustering analysis is carried out, and hob state recognition is realized. According to the method, the hob state mutual k neighbor graph is constructed, main shaft vibration signal processing of the numerical control hobbing machine is combined with an atlas theory, on-line real-time monitoring of the hob state can be realized, so thatthe hob replacement and the blade grinding can be carried out in time, expansion cracks and hob teeth fractures are avoided, the dependence on professional skills of operators can be reduced, and theintelligent process of the numerical control hobbing machine can be promoted.
Owner:CHONGQING UNIV

Control system of vehicle-mounted refrigerator

The invention discloses a control system of a vehicle-mounted refrigerator. The control system comprises the vehicle-mounted refrigerator, a vehicle-mounted refrigerator controller, at least two interactive interfaces and interactive interface controllers, wherein the number of the interactive interface controllers is the same as that of the interactive interfaces, and the interactive interface controllers are in one-to-one correspondence with the interactive interfaces. The vehicle-mounted refrigerator controller is configured to identify request information input on the corresponding interactive interface by a user through any interactive interface controller, and synchronously display the request information on all the interactive interfaces; control the vehicle-mounted refrigerator based on the request information; and after control over the vehicle-mounted refrigerator is completed, control, by any interactive interface controller, the corresponding interactive interface to display prompt information used for feeding back a control execution result of the vehicle-mounted refrigerator, and synchronously display the prompt information on all the interactive interfaces. According to the control system of the vehicle-mounted refrigerator provided by the embodiment of the invention, the accuracy and the timeliness of information interaction are improved by constructing a specific control strategy of the vehicle-mounted refrigerator controller, so that the use experience of a user is improved.
Owner:HUMAN HORIZONS (SHANGHAI) CLOUD COMPUTING TECH CO LTD

An intelligent template sewing machine with automatic adjustment of suture tension

The invention discloses an intelligent template sewing machine with automatic adjustment of suture tension, which comprises a station platform, a machine head, a splint, a longitudinal groove, a moving beam and a sliding block, and is characterized in that an electromagnetic tension regulator is arranged on the machine head And the suture tension sensor, the electromagnetic tension adjuster includes the tension disc to install the screw electromagnetic coil and the armature, and also includes the tablet computer terminal, the suture tension sensor, the electromagnetic coil and the control unit of the template sewing machine are all connected to the tablet computer terminal. Compared with the prior art, the present invention has the following advantages: in this way, the current thread speed can be read by the control unit, and the estimated range of the tension should be controlled, and then the thread tension can be measured in real time by setting the thread tension sensor, and judged by the tablet computer terminal. By comparing the predicted tension value and the actual tension value in real time, the current of the electromagnetic coil is adjusted in time, so as to realize the intelligent automatic control of the suture tension.
Owner:HEFEI AORUI DIGITAL CONTROL SCI & TECH
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