49results about How to "Realize mutual communication" patented technology

The invention relates to a dynamic self-organizing hierarchical routing method. The method is applied to the tree topology structure of a wireless sensor network, the problems of path failure and data transmission incapability due to node mobility or failure are solved, and the topology structure of the network can be dynamically regulated. The network is established by adopting a multi-branch-tree-based topology structure, and each node maintains a routing table of one level, and records a sub-tree topology structure taking the node as a root. The routing table is effectively updated by inserting a sequence number during node access application, so that the problems of repeated node numbers in the routing table of upper-level nodes are solved. Only when data cannot be transmitted, the routing tables reorganize the topology structures, and timely maintain the topology structures in the network, so that energy overhead, computing overhead and data transmission real-time performance are combined, the reliable transmission of the data is ensured, the overhead is reduced, and the advantages of a routing protocol and a routed protocol are utilized.

The invention discloses a business communication method and system based on a JSON data protocol. The method comprises: a client packages a data request packet according to a preset data request communication format and the JSON data protocol in order to obtain a packaged request data packet; a server receives and analyzes the packaged request data packet to obtain a data processed result; and the server packages the data processed result and data processing feedback information based on the JSON data protocol according to a preset data response format in order to obtain a packaged response data packet and returning the packaged response data packet to the client. By means of the given data request communication format based on the JSON data protocol and the given data response format based on the JSON data protocol, business intercommunication can be achieved in virtue of the given data response format in different operating environments. The method, the standard, and the content of communication can be clearly known so along as business entity is known.

The invention discloses an Internet controlled toy system, which relates to a network toy. The network toy consists of a network toy controller, a toy servo system, an acoustic photoelectric system and a toy exterior ornament. Each network toy is in wired or wireless connection with an intelligent terminal by the network toy controller, and the intelligent terminal is required to be provided with given client software, and is connected with a server with given software on the Internet in a wired or wireless way to form a network toy system. A user can control the actions, sounds and light of any network toy or the virtual toy of the client software by utilizing own network toy or the client software of the intelligent terminal. When the intelligent terminals of a plurality of network toys encounter in a certain range, the intelligent terminals or the network toys produce specific actions, sounds and light to prompt the users. The network toys can be used independently of the intelligent terminals, and can download toy actions, sounds, light and combinations the user like.

The invention discloses a method and system for measuring and calculating the safe driving speed of an intelligent vehicle with consideration of the road surface state. The method comprises the steps:enabling a laser scanning unit to scan a road surface to obtain the texture of the road surface, carrying out the stress simulation of vehicles with various loads and tire patterns, and updating a contact relation between a tire and the road surface and a corresponding braking distance; acquiring a vehicle model, a load and tire information of a coming vehicle by a wireless communication unit, retrieving a pre-stored contact relationship between the tire and the road surface so as to select optimal matching data and give a corresponding braking distance; acquiring road surface environment parameters by an anti-skid prediction unit and correcting the obtained predicted braking distance; converting the corrected braking distance to obtain a safe driving speed suitable for the coming vehicle; and providing a suggested safe driving speed by a warning reminding unit. According to the system, vehicle-road mutual communication is achieved, coming vehicle information is obtained in real time,the road surface condition is broadcasted to coming vehicles, so that the safety of the vehicles in the driving process is guaranteed.

The invention provides a multi-connected air conditioner hot-water unit. The multi-connected air conditioner hot-water unit comprises an outdoor unit and a plurality of indoor units. The multi-connected air conditioner hot-water unit further comprises a communication bus connected with the outdoor unit and the multiple indoor units. Accordingly, the multi-connected air conditioner hot-water unit is connected into a network of a bus structure. Due to the fact that the communication among the outdoor unit and the multiple indoor units is allowed by the communication bus, the communication among the multiple indoor units is also allowed by the communication bus at the same time, thus the mutual communication among all the indoor units can be achieved by the multi-connected air conditioner hot-water unit, and all the parts can be well matched with each other to operate.

The invention discloses a raindrop impact kinetic energy testing system based on a multipoint PVDF piezoelectric thin-film sensor. The testing system is composed of a PVDF piezoelectric thin film, an insulating thin-film substrate, a copper grid line, a lead, a signal amplifying circuit and a signal acquisition circuit. The piezoelectric thin film is located on the upper part of the insulating thin-film substrate; the copper grid line is photoetched on the insulating thin-film substrate; the lead is connected to the upper and lower surfaces of the grid line, and the upper surface serves as a signal leading-out end, while the lower surface is grounded; the signal leading-out end is connected with the input end of the amplifying circuit; the output end of the amplifying circuit is connected with the signal acquisition circuit. The raindrop impact kinetic energy testing system which is quick and accurate, convenient to operate and simple in structure is designed by utilizing a novel high polymer material PVDF piezoelectric thin film; the raindrop impact kinetic energy testing system is capable of obtaining the raindrop impact kinetic energy quickly and conveniently, capable of realizing multipoint real-time measurement and the raindrop impact strength testing within a certain range, and also capable of eliminating single-point test errors; as a result, the impact force of a mobile spray irrigation apparatus in the agricultural field can be possibly tested.

The invention provides a ship operation control method and system based on LORA technology. The method comprises the following steps: each ship terminal obtains own navigation information within predetermined time, and sends the navigation information through an LORA communication module installed therein; an LORA gateway obtains the navigation information sent by each ship terminal and sends the navigation information to an adjacent LORA gateway, and the navigation information is transmitted to a headquarters server after being forwarded by the LORA gateway; the headquarters server obtains the navigation information of each ship terminal within the predetermined time and sends route indication information to each ship terminal according to the preset route layout of each ship, and a microcontroller of each ship terminal controls the navigation of the ship according to the route indication information. The method and system disclosed by the invention are applied to the wide sea area communication, the LORA gateway is simple in composition and easy to build, mutual communication between water transport ships and the headquarters server can be realized, and guarantee is provided for the travelling safety of the ships.

The invention is applicable to the field of computer software, and provides a communication method between application programs. The method comprises the following steps that: a shared file between two application programs is configured, and the file name of the shared file are informed to the two application programs; a write data application program acquires data and writes the data into the shared file; and a read data application program reads the data in the shared files. By establishing a third-party shared file, the communication method uses one application program to write data into the file, uses the other application program to read the data in the shared file by a sharing mode, and realizes mutual communication between the two application programs under the condition of no need of knowing the principles of the two application programs.

The invention relates to a network isolation communication method. More than two computer terminals are arranged; a programmable control module is arranged among the computer terminals and is connected between any two computer terminals needing to establish a communication relation; signal transmission between each computer terminal and the programmable control module is realized by bus interconnection; the programmable control module comprises a programmable control module circuit for controlling a time sequence and storing and forwarding data; and a storage module is arranged in the programmable control module circuit to realize the storing and forwarding functions of the programmable control module.

The invention is to provide a cabinet air-conditioner controller, which comprises a CPU, a memory, a display, an I/O interface, an A/D converter as well as a D/A converter. The invention is characterized in that the CPU and the I/O interface are controlled by a two-line system I<2>C series bus. The cabinet air-conditioner controller is able to overcome the shortcomings in the prior art, realizes the access or removal under the power supply of the system, and is able to conveniently carry out the fault diagnosis and track to a node, therefore, the module needed to be processed or modified is correspondingly upgraded and modified, which decreases the risk cause by the misoperation or inappropriate modification, and enhances the maintainability of the whole system.

The invention discloses an asynchronous multi-core PAC. The PAC comprises an analog main board, an input/output (I/O) main board, a motion control main board, a diagnose module, a synchronous debugger, a custom enhancement mode software process improvement (SPI) bus and a baseboard which is provided with a power supply communication device and a synchronous debugging bus, wherein the three main boards are installed on the baseboard provided with the power supply communication device and the synchronous debugging bus through pins, connected through the custom enhancement mode SPI bus respectively, and respectively connected with the diagnose module connected with a personal computer (PC); five daughter boards are installed on corresponding main boards; and the synchronous debugger is connected with the PC and the three main boards respectively. According to the PAC, multi-core asynchronous operation can be achieved, the problems that the clock frequency of a single-core processor is difficult to improve and the power consumption of the processor is large are effectively solved, and a good start is provided for solving the problems of safety and stability of control systems, reduction of the software development difficulty and the like.

The invention discloses an online fluid small flow detection system based on machine vision and an online fluid small flow detection method based on machine vision for a float flowmeter and relates to the technical field of devices for measuring the liquid level height caused by the elevating power of fluid flow. The system comprises a float flowmeter, a visual sensor, an ARM+DSP dual-core processor, a wireless signal transceiver and an upper computer, wherein a floater is located in a to-be-monitored pipeline of the flowmeter, and a lens of the visual sensor is aligned with the float flowmeter and is used for collecting visual information of the float flowmeter; the ARM+DSP dual-core processor is used for preprocessing the obtained visual information and outputting digital signals, and the obtained signals are transmitted to the upper computer by the wireless signal transceiver so as to be processed. According to the system, the information is transmitted by virtue of a wireless network, and the position of a camera and the flow of the fluid are self-adaptively adjusted by virtue of the wireless network, so that current complex measurement systems are simplified; the real-time flow monitoring is realized by virtue of a machine vision technique; a measurement method is simple, convenient, rapid and safe.

The invention relates to the field of control, in particular to an industrial protocol mapping structure and method based on a field programmable gate array (FPGA), the structure comprises a central processing unit (CPU) and an FPGA chip which are connected, the FPGA chip is provided with a mapping module, a mapping form module, a framing module and a clock reset module, and the clock reset module respectively controls and is connected with the mapping module, the mapping form module and the framing module. The framing module receives data from a serial port, completes protocol framing according to frame byte data received from the serial port and outputs a message frame to the mapping module, and the mapping module is connected with the mapping form module. According to the invention, the RS-232 interface and the RS-485 interface are adopted, so that large-scale networking of an industrial control system can be realized, and mutual communication of PLCs and instruments of different manufacturers can be realized; and an FPGA chip is adopted, so that the accuracy, the real-time performance and the reliability of data transmission are ensured.

The invention discloses an intelligent water affair Internet of Things multi-system fusion networking system and method. The system comprises a water quality automatic monitoring device, an HB212 exchange center, an inspection well liquid level monitoring device, an L0RA exchange center and a data exchange center. The water quality automatic monitoring device and the inspection well liquid level monitoring device carry out data interaction with the data exchange center through the HB212 exchange center and the L0RA exchange center respectively. The data exchange center generates a protocol corresponding to the HB212 exchange center and the LORA exchange center; the data exchange center sends an instruction to the HB212 exchange center and the LORA exchange center; after the HB212 exchangecenter or/and the LORA exchange center receives the instruction, the HB212 exchange center or/and the LORA exchange center receive the instruction; the water quality automatic monitoring device or/andthe inspection well liquid level monitoring device is/are driven to collect water body concentration or/and inspection well liquid level height; after the data is collected, the data is uploaded to the corresponding HB212 exchange center or LORA exchange center, and the HB212 exchange center or LORA exchange center obtains the data and uploads the data to the data exchange center. According to the invention, the problem that different types of equipment cannot be interconnected and intercommunicated is solved.

The invention relates to the field of mobile internet, and particularly provides a cross-center load repayment method and device, equipment and a storage medium, and the method comprises the following steps: determining the contract type of a current contract according to the loan information of a current contract, wherein the loan information comprises a loan record of the current subscriber in a local center or an external center; judging whether the current signer conforms to a signing condition or not and whether the loan information conforms to a cross-center interconnection condition of a corresponding signing type or not; and if the current signer conforms to the signing condition and the loan information conforms to a cross-center interconnection condition of a corresponding signing type, determining the repayment type of the current contract, and interconnecting the center with the external center through the contract information of the current contract. According to the invention, the situation of independent reimbursement of two places can be prevented, and normal repayment business is ensured.

The invention discloses a remote disease diagnosis system and a method based on AR technology. The system comprises a patient information acquisition unit, a session unit, a diagnosis unit and a charging unit, the patient information acquisition unit uses the AR technology and is used for a doctor to acquire information of a patient, and the session unit is used for the doctor to session with thepatient during online inquiry, the diagnosis unit uses an AR technology and is used for the doctor to diagnose the patient, and the charging unit is used for charging diagnosis fees for the patient. According to the remote disease diagnosis system and the method based onAR technology, an AR virtual technology and a remote network transmission technology are combined, so that the doctor can remotely acquire and diagnose real-time physiology data of the patient.