53results about How to "Limited number of solutions" patented technology

The invention relates to a distributed coal mine rock burst monitoring method, belonging to a ground pressure monitoring method. The existing industrial Ethernet in a coal mine integrated automation system can be used for information transmission, a network sensor provided with an Ethernet interface is connected with a network, multiple measurements such as electromagnetic radiation, acoustic emission, micro-shock and the like which are used for reflecting signals of rock burst can be carried out, the measurement signals are transmitted into a host machine for monitoring the rock burst through the industrial Ethernet, and the host machine is used for analyzing, processing and locating a seismic source so as to realize rock burst monitoring; a main core of the network sensor is a singlechip provided with an Ethernet controller, and the measurement of three signals of electromagnetic radiation, acoustic emission and micro-shock can be realized by analog-to-digital conversion through three channels; and each sensor has the respective IP address. The method can be used for extracting features of various signals, carrying out event relativity analysis, extracting data fusion and event general features with different information, locating the seismic source and providing the analysis result of rock burst event.

The invention discloses an aggregation processing method in an IRF (Intelligent Resilient Framework) system and a device. The IRF system is composed of a plurality of network devices. The method can be applied to any network device in the IRF system. The method comprises steps: a business link aggregation group is built and one port on the device is added to the business link aggregation group, wherein the business link aggregation group comprises one port of each network device in the IRF system, and all ports of the business link aggregation group are connected onto one neighbor device directly connected with the IRF system; when a message is received, the port receiving the message is judged whether to be added to the business link aggregation group; and if the port receiving the message is added to the business link aggregation group, the address information carried in the received message is acquired, and the corresponding relationship between the address information and the port receiving the message is configured to a data plane. The maximal link aggregation group number supported by member devices in the IRF system can be expanded to the maximal user port number supported by the device.

Embodiments of the invention provide a posture recognition system and method, and a storage medium. The method includes: obtaining an upper limb image of a user; processing the upper limb image of theuser, and obtaining associated upper limb joint bone key points; and classifying the associated upper limb joint bone key points according to the user posture categories, and obtaining the user posture category of the upper limb image of the user. By employing the system and method, and the storage medium, the accuracy of posture recognition of the upper limb image of the user can be improved.

The invention discloses a safety communication method suitable for remote control with a limited capability at a controlled end. The method comprises the following steps of: setting password sets at a control end and the controlled end and generating a password set according to an input initialization password by an irreversible method, wherein the password set comprises an index number and the password per se and encryption and decryption are performed by using the password corresponding to the recorded index number in a normal communication process; when the password is asynchronous, transmitting the index number by encrypting to perform password synchronization; and when a password set updating condition is met, negotiating about the update of the password set by transmitting a selected index number. A password set generating device for calculating the password set and communicating with the controlled end only when the password set is needed to be generated is arranged at the controlled end. Various attacks are resisted effectively by using a dynamic password and operation of real-time password calculation needed by the transmission of each data packet is avoided. Simultaneously, the password per se does not need to be transmitted on a communication link in password synchronizing and password set updating processes, so that simpleness and safety are realized.

The invention relates to environmental monitoring and discloses an automatic monitoring system for working conditions of a pollution source discharging process. The automatic monitoring system comprises a server and a plurality of acquisition terminals connected with the server through network cables. Each acquisition terminal comprises a microprocessor, a network communication module, a storage and a data acquisition terminal interface, the network communication module, the storage and the data acquisition terminal interface are electrically connected with the microprocessor, and the data acquisition terminal interface is connected with at least one sensor. The invention further discloses a monitoring method using the monitoring system. The monitoring method includes the steps of firstly, transmitting data acquisition commands at intervals by the server through a network; secondly, acquiring data by the acquisition terminals; thirdly, recognizing the commands by the acquisition terminals; fourthly, reporting data; and fifthly, receiving data. The automatic monitoring system and the monitoring method has the advantages that the problem limited port numbers of traditional center end data platform is solved, networking is simple, flexible, and convenient, and the automatic monitoring system is available for unit operation and networked operation.

The invention provides a store device, a storage system, and a data transmission method. The store device comprises a first controller, a second controller, a first interchange card, a second interchange card, and storage medium. The second controller and the first controller protect each other. The first interchange card is connected with the first controller. The second interchange card is connected with the second controller. The storage medium is connected with the first controller and the second controller. The first controller is used to calculate target storage device information of first to-be-stored data after the first to-be-stored data is received. When the target storage device is not a storage device, the first to-be-stored data and the target storage device information of the first to-be-stored data are sent by the first interchange card. The storage system comprises a plurality of storage devices, and the plurality of storage devices form a ring network.

The invention discloses an FPGA-based BISS-C protocol interface controller which comprises a frame transceiver, a register file, a memory controller, a first-in-first-out single-period actuator data queue SCDA_FIFO memory, and a first-in-first-out single-period sensor data queue SCDS_FIFO memory, wherein the memory controller comprises an external channel information read only memory NDT_ROM interface, which is connected with an external channel information read only memory NDT_ROM. The NDT_ROM stores multi-channel description information of a plurality of devices.

The invention discloses a multi-user sleep monitoring method based on a sensor array. The method comprises the following steps that a plurality of collecting nodes are arranged on each pad, a plurality of different function sensors are connected to each pad to form the sensor array to measure life sign parameters of a user; by means of a polled communication mode, connection with each pad is set up to obtain measurement data of each function sensor, user profiles are set up to store the data measured each time, and the data serve as historical data; the current measurement data of the user are compared with the historical data of the user to judge whether the user is healthy or not; if the user is in an unhealthy state currently, an alarm is given. The invention further discloses a multi-user sleep monitoring system based on the sensor array. According to the multi-user sleep monitoring method and system based on the sensor array, the sleep state of the user can be monitored comprehensively, effectively and accurately, early warning is carried out in time, and the problem that the quantity of communication is limited is effectively solved.

The invention belongs to the field of ship simulation experiment platforms and discloses a simulation method of a multi-axis electrically-propelled semi-physical simulation test platform. The method includes: (a) acquiring the actual operational data of a ship to build a mathematical model and verifying and adjusting the model; (b) presetting ship speed, using a simulation model to calculate the expected value of a motor unit parameter, and transmitting the expected value to a simulator; (c) enabling the real-time simulator to receive a command and to adjust the motor unit to operate accordingto the expected value, enabling the motor unit to feed back an actual value signal to the real-time simulator and to an input module, enabling the input module to compile the actual value signal intoCPU-identifiable information, and using the simulation model to calculate the required ship speed, thereby realizing the closed-loop control of the motor unit parameter and completing the simulationprocess. The method avoids inaccuracy of the simulation model caused by all-digital simulation, achieves high similarity with a real test environment, fast hardware response, high real-time performance, and high economic efficiency, and provides guidance for practical research.

The present invention discloses a communication method capable of concealing the number of a called party, a server, a terminal and a communication system capable of concealing the number of a called party and belongs to the communication technical field. The method includes the following steps that: a server obtains registration information sent by a first terminal, wherein the registration information contains the number of the first terminal; the server encodes the number of the first terminal, encodes a pattern into the encoded number of the first terminal, and transmits the pattern to the first terminal; the first terminal displays the number of the terminal in the form of a pattern, a second terminal identifies the pattern and sends a call request to the server, wherein the call request contains the encoded number of the first terminal and the number of the second terminal; and the server responds to the call request, decodes the encoded number of the first terminal to obtain the number of the first terminal, and builds call communication of the first terminal and the second terminal according to the number of the first terminal and the number of the second terminal. With the communication method adopted, call communication between a calling party and the called party can be realized, and the number of the called party can be concealed, and the called party can be protected from being disturbed.

The invention discloses a design method of a controller based on a quantity-limited semi-Markov system. The controller design method comprises the following steps: S1, establishing a random hopping system; S2, according to the system established in the step S1, designing controllers with the number limited to be M, wherein M is larger than or equal to 1 and smaller than or equal to N; S3, constructing a corresponding Lyapunov function by utilizing the established system, and calculating to obtain a final control gain and an LMI solving result; and S4, proving that the designed number-limited controller is the minimum variance approximate value of the modal dependent controller. The method for designing the number-limited controller is based on the principle of the mapping relation betweenthe N subsystems and the M controllers and the stationary probability sequence, the sufficient LMI condition for designing the controllers is obtained through the Lyapunov function method. Therefore,the method is suitable for the situation that under the condition that the number of the controllers is limited, the controllers are designed to control the stability of the system according to a minimum variance approximate value of a modal dependent controller.

The invention provides a finite element numerical simulation and parameter analysis method for fatigue of a metal material after corrosion, which comprises the following steps of: scanning an existing corroded metal material test piece to obtain a corrosion three-dimensional digital model, and establishing a three-dimensional coordinate database of corrosion morphology; establishing a random probability model, randomly selecting three-dimensional coordinate points, recombining point clouds, fitting a new corrosion surface, and establishing a new corrosion model; extracting two corrosion surfaces of the obtained new corrosion model, utilizing Hypermesh software to carry out grid division and establishment of a hexahedral grid model, and then combining ABAQUS software and Fe-safe software to carry out fatigue calculation on the corrosion model. By the adoption of the technical scheme, the problems that corrosion and fatigue tests are long in consumed time and large in test result discreteness are effectively solved, time is effectively saved through the finite element fatigue calculation method, and compared with the test result, the fatigue simulation result is accurate and effective.

The invention discloses a wireless network information publishing and collecting solution scheme based on a wifi (wireless fidelity) access permission mechanism. A remote computer control terminal and subordinate wifi working modules are used in the scheme; the remote computer control terminal is a remote server and is used for monitoring real-time working states of all the subordinate wifi working modules and transmitting customized contents for the subordinate wifi working modules at specific positions; when entering a wireless AP (access point), a user enters an authentication interface at first, and contents of the interface are customized by the remote control terminal; after customized contents are processed, confirmed and submitted by the user, the user can enjoy free internet access normally; and the remote terminal collects the information submitted by all wireless AP users and processes and transmits the information to a flow provider. The wireless network information publishing and collecting solution scheme brings convenience to people in life; and the advertisement information publishing way and the advertisement information publishing efficiency are improved, the application field of cloud computing of a server is expanded, and the scheme is used for smart cities.

The invention discloses a wireless weighing method and system. The system comprises a weighing sensor, a data transmission module and an intelligent mobile terminal, wherein the data transmission module comprises a processor, a filter circuit, an analog-to-digital conversion module, a storage module and a communication module; the processor is respectively connected to the filter circuit, the analog-to-digital conversion module and the communication module; the weighing sensor is connected to the filter circuit; the communication module is connected to the intelligent mobile terminal; and thecommunication module is a Bluetooth module or a WiFi module. Compared with a traditional electronic scale device, the system has better usability, portability and expandability.

The invention relates to a radiator with loudspeakers. The radiator with the loudspeakers comprises supporting legs, USB interfaces, a radiator main board, the loudspeakers, a volume adjusting button, a switch and a plug. The radiator with the loudspeakers is characterized in that the supporting legs are fixedly connected to the four corners of the lower portion of the radiator main board so as to play a supporting role, the plug which can be plugged into a notebook computer extends out of the radiator main board so as to supply power for the radiator main board, the multiple USB interfaces are arranged at the front portion of the radiator main board, the USB interfaces are electrically connected with existing information of the computer through the plug, the radiator can be in information transmission with the computer by inserting a USB disk into one USB interface, a set of loudspeakers are fixedly connected to the two sides of the rear portion of the radiator main board, the top of the loudspeaker on one side is provided with the switch and the volume adjusting button for adjusting the volume, the loudspeakers are electrically connected with the existing information of the computer through the plug, and people can open or close the loudspeakers to adjust the volume according to the self demands. The radiator with the loudspeakers is simple in structure and easy to manufacture.

The invention provides a switch device for realizing different working states, which relates to the technical field of switches. The switch device for realizing different working states comprises a base, a sliding bar, a rolling pin, an elastic member, a rocker arm, a first rotating shaft, a second rotating shaft, a magnetic block and a hall element, wherein the sliding bar is accommodated in thegroove in the base; the sunken surface on the sliding bar is provided with multiple gears; the rolling pin can roll to stop in a gear; the blind hole of the rocker arm is internally provided with theelastic member; a first clamping groove and a second clamping groove at the end at which the blind hole is arranged in the rocker arm are mutually vertical on the end surface of the rocker arm; the sliding bar is accommodated in the first clamping groove; the rolling pin is rotarily arranged in the second clamping groove; the elastic member is in a pressed state to abut against the rolling pin; the rocker arm is rotarily connected with the base through the first rotating shaft and the second rotating shaft; the rocker arm rotates along the extending direction of the first clamping groove to drive the rolling pin to roll to the corresponding gear; the magnetic block is arranged at one end of the first rotating shaft; the hall element is arranged on the base; and the setting position of thehall element is corresponding to the magnetic block. The problem that the number of gears of the switch device is limited is solved.

The invention relates to the technical field of data transmission, and provides an automobile digital key sharing system and method. The method comprises the steps: building a communication channel between an automobile mobile terminal and intelligent equipment of a corresponding automobile through Bluetooth; logging in APP1 by an automobile owner user to read a digital key of the automobile; sending an authorization request to the corresponding intelligent equipment user by the automobile owner user, wherein the authorization request carries a digital key; matching the received digital key with a locally stored digital key by the intelligent equipment user, if the received digital key is consistent with the locally stored digital key, authorizing the automobile owner user, and if the received digital key is inconsistent with the locally stored digital key, disconnecting the Bluetooth communication between the intelligent terminal and the mobile terminal. Digital keys are transmitted and stored through the automobile digital key sharing system, and the risk of digital key leakage is reduced.

The invention provides a data receiving method, a transmitting method, a receiving device and a transmitting device. The data receiving method comprises steps: according to a predetermined grouping rule, antennas for data transmission of the terminal are grouped; a grouping result after grouping is notified to the terminal; and data obtained after the transmitted data are processed according to the grouping result and transmitted by the terminal are received, wherein the grouping result is used for enabling the terminal to carry out spread spectrum processing on data on each antenna according to a spread spectrum code sequence corresponding to the group to which the antenna belongs. Thus, the problem that the number of terminals in the data transmission system capable of transmitting data at the same time is limited in related technology is solved, and effects of enhancing the number of terminals in the data transmission system capable of transmitting data at the same time are further achieved.

The invention provides a two-stage chained commodity sales data processing method, which belongs to the field of commodity sales data processing, and comprises a plurality of commodity manufacturers,a commodity summarizing mechanism and a commodity transaction platform. According to the data processing method, through user-level digital processing, each consumer can become a distributor, so thatcommodities can be better distributed and publicized, and the number of distributors is determined by the number of users, and then the problems that an existing distribution system can only select fixed or limited distributors for sale and the problems that the market price is limited, and the sales quantity is limited and the quantity of distributors is limited are solved; meanwhile, the price of commodities is uniformly limited by a commodity transaction platform, so that the price of the same commodity in the market is unified, and commodity price unification and commodity brand creation are better facilitated; and the problems that existing market sales prices are not unified, and commodity brand creation and propaganda are not facilitated are solved.

The invention relates to a distributed coal mine rock burst monitoring method, belonging to a ground pressure monitoring method. The existing industrial Ethernet in a coal mine integrated automation system can be used for information transmission, a network sensor provided with an Ethernet interface is connected with a network, multiple measurements such as electromagnetic radiation, acoustic emission, micro-shock and the like which are used for reflecting signals of rock burst can be carried out, the measurement signals are transmitted into a host machine for monitoring the rock burst through the industrial Ethernet, and the host machine is used for analyzing, processing and locating a seismic source so as to realize rock burst monitoring; a main core of the network sensor is a singlechip provided with an Ethernet controller, and the measurement of three signals of electromagnetic radiation, acoustic emission and micro-shock can be realized by analog-to-digital conversion through three channels; and each sensor has the respective IP address. The method can be used for extracting features of various signals, carrying out event relativity analysis, extracting data fusion and event general features with different information, locating the seismic source and providing the analysis result of rock burst event.

The invention provides a novel commodity sales data processing method, which belongs to the field of commodity sales data processing and comprises a plurality of commodity manufacturers, a commodity summarizing mechanism and a commodity transaction platform. According to the data processing method, through user-level digital processing, each consumer can become a distributor, so that commodities can be better distributed and publicized, and the number of distributors is determined by the number of users, and then the problems that an existing distribution system can only select fixed or limited distributors for sale, and the problems that the market price is limited, and the sales quantity is limited and the quantity of distributors is limited are solved; meanwhile, the price of commodities is uniformly limited by a commodity transaction platform, so that the price of the same commodity in the market is unified, and commodity price unification and commodity brand creation are better facilitated; and the problems that existing market sales prices are not unified, and commodity brand creation and propaganda are not facilitated are solved.

The invention provides a heat radiator with a sound system. The heat radiator comprises support legs, USB interfaces, a heat radiator main board, the sound system, a volume regulating push button, a switch and a plug, and is characterized in that the support legs are fixedly connected onto the four corners of the lower part of the heat radiator main board so as to achieve a support effect; the plug capable of being plugged into a notebook computer extends out from the inside of the heat radiator body, so that a power supply can be provided for the heat radiator main body; a plurality of USB interfaces are arranged at the front part of the heat radiator main body, and are electrically connected with information in a computer through the plug; after a USB flash disk is inserted into the USBinterface, the information transmission can be performed with the computer; the two sides of the back part of the heat radiator main body are respectively and fixedly connected with one group of soundsystem; the top of the sound system at one side is provided with the switch and the volume regulating button for regulating the sound volume; the sound system is electrically connected with the information in the computer through the plug. People can turn on or turn off the sound system according to self requirements; the sound volume regulation can be performed. The structure is simple and the manufacturing is easy.

One embodiment of the invention provides a multi-chip framework package structure which includes at least one carrier table, at least one bottom chip and at least one upper chip. The at least one carrier table is used for accommodating the at least one bottom chip and the at least one upper chip. The package structure further includes at least one first medium layer which is disposed above the atleast one bottom chip. The at least one upper chip is disposed above the at least one first medium layer. The position relationship between the at least one bottom chip and the at least one upper chipcan be adjusted by adjusting the tilt angle of the at least one first medium layer, so that the number of chips stacked on the at least one carrier table can be increased. The other embodiment of theinvention provides a manufacturing method of the multi-chip framework package structure.

An embodiment of the present invention provides a multi-chip frame package structure, the package structure includes: at least one chip stage, at least one bottom chip and at least one upper chip; the at least one chip stage is used to accommodate the at least A bottom chip and the at least one upper chip; the packaging structure also includes: at least one first dielectric layer; wherein, the first dielectric layer is placed above the bottom chip; the upper chip is placed on the above the first dielectric layer; by adjusting the inclination angle of the first dielectric layer, the positional relationship between the bottom chip and the upper chip can be adjusted, so as to increase the number of chips stacked on the at least one carrier stage quantity. The embodiment of the present invention also provides a manufacturing method of the multi-chip frame packaging structure.

The invention provides a communication method and device based on an automatic control system, and relates to the technical field of automatic control. The automatic control system comprises a masterdevice and at least one slave device. The slave device communicates with the master device through a single channel, the method is applied to the first slave device, and the first slave device is anyone of the slave devices. The method comprises: receiving a first message broadcasted by the master device through the single channel, and the first message comprising a payload and a second slave device ID; judging whether the ID of the first slave device is matched with the ID of the second slave device or not; and if yes, executing the operation task according to the effective load of the firstmessage, relieving communication channel number limitation and bandwidth consumption, and solving the problem that the number of slave devices is limited.