43results about How to "Unreliable solution" patented technology

The invention discloses a bus passenger flow data collection and origin-destination point analysis method. The method comprises the steps that corresponding WIFI routers are arranged in a bus and a bus stop at the same time, MAC address data of intelligent terminals carried by passengers in the bus and passengers waiting for a bus on the bus stop is detected and collected, and according to the bus door opening and closing signals collected by a bus door signal collecting device, passenger identity confirmation and invalid data filtering are carried out. The invention further discloses a bus passenger flow data collection and origin-destination point analysis system which comprises the vehicle-mounted WIFI router, a bus door signal collecting device, the bus stop router and an MAC identity recognition and confirmation module. Bus passenger flow analysis is carried out based on various data sources, and high accuracy of WIFI identity recognition information for bus passenger flow and OD analysis is ensured.

The invention discloses a network accessing method of an automatic meter reading system. The networking accessing method comprises the following steps of electrically starting and creating a network on an OFDM (Orthogonal Frequency Division Multiplexing) module at a concentrator side firstly, and then electrically adding the network on the OFDM module at an electric energy meter side. According to the network accessing method disclosed by the invention, the OFDM module adopts a mechanism of adding bidirectional authentication in the network, so the problem that an S-FSK power line carrier automatic meter reading system is unreliable in accessing the network is solved; a list file is maintained by a main module, so the problem that in the prior art, the list file work needs to be maintained in real time by a concentrator is solved; and meanwhile, the automatic separation can be carried out when an error network is added as the communication overtime time length is set, and thus the problem that in the prior art, the automatic separation cannot be carried out when an electric energy meter is added with the error network. Compared with the prior art, according to the network accessing method disclosed by the invention, several defects existing in the prior art are completely and effectively overcome, and the network accessing method of a power line carrier communication module with higher reliability is provided.

The invention discloses a silicon controlled rectifier combination switch. The silicon controlled rectifier combination switch comprises a bidirectional silicon controlled rectifier (SCR), a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R. The bidirectional SCR is provided with a control end G, a first main terminal T1 and a second main terminal T2, wherein the first main terminal T1 and the second main terminal T2 of the bidirectional SCR are in parallel connection with two ends of a normally opened contact K1-1 of the first electromagnetic switch K1. A normally opened contact K2-1 of the second electromagnetic switch K2 is in series connection with the resistor R. Two ends of a series circuit formed by the normally opened contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of the normally opened contact K1-1 of the first electromagnetic switch K1 in parallel. The silicon controlled rectifier combination switch has the advantages of achieving zero-current silicon controlled rectifier breakover, being reliable in switching process and the like.

The invention discloses a combination switch with an intelligent zero-crossing switching function. The combination switch comprises a control circuit and a silicon controlled rectifier (SCR) combination switch, wherein the silicon controlled combination switch comprises two unidirectional SCR1 and SCR2, a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R, wherein the two unidirectional SCR1 and SCR2 are respectively provided with a control terminal G1 and a control terminal G2, and the two unidirectional SCR1 and SCR2 are connected in an anti-parallel manner to form a first wiring terminal A1 and a second wiring terminal A2, and a normally-opened contact K2-1 of the second electromagnetic switch K2 is connected with the resistor R in series; and two ends of a series circuit formed by the normally-opened contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of a normally-opened contact K1-1 of the first electromagnetic switch K1 in parallel. The combination switch disclosed by the invention has the advantages of SCR conduction during current zero-crossing, more reliable switching process and the like.

The invention relates to an engine mounting rubber mat assembly. The upper end and the lower end of the engine mounting rubber mat assembly are fixedly connected with an engine stand bar and a support respectively, an upper contact surface between the engine mounting rubber mat assembly and the engine stand bar and a lower contact surface between the engine mounting rubber mat assembly and the engine support are both horizontally arranged to enable the longitudinal axis of the engine mounting rubber mat assembly to be arranged in the vertical direction, vibration attenuation and decoupling in each direction of engine mounting can be guaranteed, and sulfidizing is not required.

The embodiment of the invention discloses a method for inter-process communication and a related device, which are used for solving the problem of unreliable communication content between a parent process and a child process in the prior art. A method for implement an embodiment of that invention includes creatING a shared file in a pressing machine, wherein the shared file is used for sharing information among a plurality of process, the plurality of processes including a daemon process and a plurality of pressure sub-processes; Obtaining a file pipeline corresponding to the shared file, andobtaining a shared memory according to the file pipeline, wherein the shared memory is a readable memory corresponding to the shared file; When the pressurizing sub-process generates a message, serializing the message to form a complete message in the shared file; The message is written to the shared file and the write index field of the shared memory is updated to send the message from the pressurizing child process to the daemon process through the shared memory.

The invention disclose a silicon controlled composite switch of intelligent zero-crossing switching, which comprises a control circuit and a silicon controlled composite switch, wherein the silicon controlled composite switch comprises a bidirectional silicon controlled rectifier (SCR), a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R, wherein the bidirectional SCR is provided with a control terminal G and first and second main terminals T1 and T2; and the first main terminal T1 and the second main terminal T2 of the bidirectional SCR are connected with two ends of a normally open contact K1-1 of the first electromagnetic switch K1 in parallel; a normally open contact K2-1 of the second electromagnetic switch K2 is connected with the resistor R in series; two ends of a series circuit composed of the normally open contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of the normally open contact K1-1 of the first electromagnetic switch K1 in parallel. The invention has the advantages of conducting current zero-crossing SCR and is more reliable switchng-out process and the like.

The invention discloses a system and method for positioning an indoor object. The system comprises a control center, at least one terminal and at least one electronic tag. Tag card numbers are stored in the electronic tags. The terminals are used for collecting and verifying the tag card numbers of the electronic tags, and after verification is passed, the serial numbers of the terminals and the tag card numbers are sent to the control center, and moving is carried out according to a control instruction sent by the control center; the control center comprises a server and an upper computer. The server is used for storing tag coordinates corresponding to the tag card numbers one to one. The upper computer is used for searching the server for the corresponding tag coordinates according to the received tag card numbers or sending the control instruction to the terminals. Indoor positioning is achieved in the mode of combining RFID and ZigBee, and the advantages of being simple in structure, low in cost, convenient to install and maintain and high in positioning precision, saving electricity and the like are achieved.

The embodiment of the invention provides an unmanned aerial vehicle network route selection method, an unmanned aerial vehicle network route selection device and an unmanned aerial vehicle node, and belongs to the technical field of wireless communication. The method comprises the following steps: when judging that a destination node is not in a communication range of an unmanned aerial vehicle node, using a space straight line between a source node and the destination node as an optimal virtual routing line, determining virtual relay nodes on the line, selecting a reference node from the virtual relay nodes, receiving an actual position and a motion state sent by each neighbor node in the communication range of the unmanned aerial vehicle node, and determining prediction positions of theneighbor nodes in the current time period, calculating a corresponding evaluation value by using each prediction position, separately applying the corresponding evaluation values to a utility function, determining the neighbor node with the minimum corresponding utility function value as a next-hop relay node, and triggering the next-hop relay node to continue to perform routing selection for thedestination node. According to the scheme, the problem that the network communication routing link of the unmanned aerial vehicle is unreliable due to the high-speed mobility of the unmanned aerial vehicle is solved.

A process monitoring method and device. The method comprises: acquiring current file characteristic information of a specified monitored file many times, the monitored file being generated when the monitored process runs (S102); processing, according to a preset monitoring policy, the current file characteristic information acquired many times, and obtaining current file characteristic parameters (S104); comparing the current file characteristic parameters with valid file characteristic parameters of the monitored file, and obtaining a comparison result (S106); and determining whether the monitored process is abnormal according to the comparison result (S108). By means of the method and device, it is accurately determined whether a monitored process is abnormal, and the problem in the related art that the method of monitoring ports is unreliable is solved.

The invention discloses an active enhanced soft measurement method based on sample expansion and screening. The method comprises the following steps: 1) obtaining industrial polyethylene melt index data; 2) dividing a data set of polyethylene data and preprocessing the polyethylene data; 3) generating virtual samples and expanding the data set; 4) establishing a selective generative adversarial network based on support vector regression (SGAN-SVR) soft measurement model; and 5) performing model performance evaluation. According to the method, a high-quality generated sample is screened from the virtual samples generated by a Wasserstein GAN with gradient penalty (WGAN-GP) model according to a centroid measurement criterion and statistical characteristics of original samples, and is used as a supplement of the original samples, so that the prediction accuracy of a support vector regression (SVR) model on an MI is improved.

The invention provides a submersible electric pump downhole data acquisition device for solving the problem that transmission of an existing data acquisition device is interfered. The submersible electric pump downhole data acquisition device comprises an on-well data receiving system and a downhole data transmission system; the on-well data receiving system is connected with the downhole data transmission system through an on-well three-phase electric reactor and a three-phase power cable, and the on-well data receiving system exchanges the data with the downhole data transmission system through an on-well power line carrier module; and the downhole data transmission system exchanges the data with a sensor interface module through the downhole power line carrier module, and the downhole data transmission system exchanges data with the on-well data receiving system through a submersible electric pump motor winding assembly. According to the submersible electric pump downhole data acquisition device, the power line carrier module adopts power supply lines of the submersible electric pump as carriers, communication is conducted through power line carrier, a spread spectrum technology is combined, a sensor signal is conducted frequency conversion under the same transformer, a signal spectrum is moved to a plurality of frequency bands, then the signal is coupled to the power lines through a coupling capacitor, and data transmission is realized.

The invention relates to a switching method and a switching system for steel wire rope in automobile crash test traction equipment; the switching method comprises the steps: cutting off an old steel wire rope at an initial position, enabling the rear end of the cut-off old steel wire rope to be connected with a moving device, and enabling the front end to be connected with the free end of a new steel wire rope; driving, by the moving device, the rear end to move towards the end point of the underground rail, meanwhile, driving, by the front end, the new steel wire rope to enter the underground rail, when the moving device moves to the end point of the underground rail, cutting off the old steel wire rope again at the initial position to obtain a cut-off part and the rear end, and returning the moving device to the initial position and connects the rear end to the moving device; repeating the steps until the front end is taken out of the underground rail, completely cutting off the old steel wire rope, cutting off the new steel wire rope, and then inserting the two ends of the new steel wire rope together. The method adopts the mode that the old steel wire rope drives the new steel wire rope to enter the rail, finally completes change-over, can ensure that the new steel wire rope completely enters the rail without errors, and is convenient and accurate to change and low in cost.

The invention discloses a water-jet textile motor, which comprises a fixing seat and a motor body, wherein the fixing seat comprises a fixing base, bolt holes and a buffer part; the motor body comprises a motor and a waterproof sleeve; the buffer part is arranged between the fixing base and the motor; the fixing base is fixedly arranged on a water-jet textile machine or other table surfaces via the bolt holes; the waterproof sleeve is arranged at each edge and each connection place of the motor; the buffer part comprises eight fixing holes, four springs, an upper supporting seat and a lower supporting seat, four of the eight fixing holes are arranged at four corners of the upper supporting seat, and the other four are arranged at four corners of the lower supporting seat, each fixing hole is internally provided with a corresponding steel glue combined sleeve, and the waterproof is a pressing sealing rubber strip. The water-jet textile motor can be used in a water-jet textile machine and other water-containing devices, and the design is simple, the motor jitter problem is solved in a buffer and fixing seat mode, and waterproof effects are good.

The invention discloses a combination switch with an intelligent zero-crossing switching function. The combination switch comprises a control circuit and a silicon controlled rectifier (SCR) combination switch, wherein the silicon controlled combination switch comprises two unidirectional SCR1 and SCR2, a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R, wherein the two unidirectional SCR1 and SCR2 are respectively provided with a control terminal G1 and a control terminal G2, and the two unidirectional SCR1 and SCR2 are connected in an anti-parallel manner to form a first wiring terminal A1 and a second wiring terminal A2, and a normally-opened contact K2-1 of the second electromagnetic switch K2 is connected with the resistor R in series; and two ends of a series circuit formed by the normally-opened contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of a normally-opened contact K1-1 of the first electromagnetic switch K1 in parallel. The combination switch disclosed by the invention has the advantages of SCR conduction during current zero-crossing, more reliable switching process and the like.

The embodiment of the invention discloses an inter-process communication method and a related device, which are used to solve the problem of unreliable communication content between parent and child processes in the prior art. The method in the embodiment of the present invention includes: creating a shared file in the press machine, the shared file is used for information sharing among multiple processes, and the multiple processes include a daemon process and multiple pressure sub-processes; obtaining the share the file pipeline corresponding to the file, and obtain a shared memory according to the file pipeline, and the shared memory is a readable memory corresponding to the shared file; when the pressure subprocess generates a message, sequence the message process to form a complete message in the shared file; write the message into the shared file, and update the write index field of the shared memory to write the message from the implementation through the shared memory Subprocess sends to the daemon process.

The invention discloses a data downloading method and device, and the method comprises the steps that a server searches for a to-be-downloaded data file according to a downloading request sent by a client, splits the to-be-downloaded data file to obtain N data packets, adds a data packet index to each data packet to obtain a target data packet, packages each target data packet into a TS format based on Section to obtain M TS packets, packages a preset number of TS packets into a UDP packet, and circularly broadcasts TS data streams in the UDP packet to the client according to an index sequence; the client analyzes each piece of payload data from the TS data streams, and stores the payload data passing verification to a preset file position, until all the payload data passes the verification and is stored to the preset file position. As the TS data stream has the characteristics of data issuing carousel and data transmission unitization, and the TS specification has a verification mechanism, the problem of unreliability of multicast data transmission is solved.

The invention disclose a silicon controlled composite switch of intelligent zero-crossing switching, which comprises a control circuit and a silicon controlled composite switch, wherein the silicon controlled composite switch comprises a bidirectional silicon controlled rectifier (SCR), a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R, wherein the bidirectional SCR is provided with a control terminal G and first and second main terminals T1 and T2; and the first main terminal T1 and the second main terminal T2 of the bidirectional SCR are connected with two ends of a normally open contact K1-1 of the first electromagnetic switch K1 in parallel; a normally open contact K2-1 of the second electromagnetic switch K2 is connected with the resistor R in series; two ends of a series circuit composed of the normally open contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of the normally open contact K1-1 of the first electromagnetic switch K1 in parallel. The invention has the advantages of conducting current zero-crossing SCR and is more reliable switchng-out process and the like.

The invention provides a submersible electric pump downhole data acquisition device for solving the problem that transmission of an existing data acquisition device is interfered. The submersible electric pump downhole data acquisition device comprises an on-well data receiving system and a downhole data transmission system; the on-well data receiving system is connected with the downhole data transmission system through an on-well three-phase electric reactor and a three-phase power cable, and the on-well data receiving system exchanges the data with the downhole data transmission system through an on-well power line carrier module; and the downhole data transmission system exchanges the data with a sensor interface module through the downhole power line carrier module, and the downhole data transmission system exchanges data with the on-well data receiving system through a submersible electric pump motor winding assembly. According to the submersible electric pump downhole data acquisition device, the power line carrier module adopts power supply lines of the submersible electric pump as carriers, communication is conducted through power line carrier, a spread spectrum technology is combined, a sensor signal is conducted frequency conversion under the same transformer, a signal spectrum is moved to a plurality of frequency bands, then the signal is coupled to the power lines through a coupling capacitor, and data transmission is realized.

The invention discloses a network accessing method of an automatic meter reading system. The networking accessing method comprises the following steps of electrically starting and creating a network on an OFDM (Orthogonal Frequency Division Multiplexing) module at a concentrator side firstly, and then electrically adding the network on the OFDM module at an electric energy meter side. According to the network accessing method disclosed by the invention, the OFDM module adopts a mechanism of adding bidirectional authentication in the network, so the problem that an S-FSK power line carrier automatic meter reading system is unreliable in accessing the network is solved; a list file is maintained by a main module, so the problem that in the prior art, the list file work needs to be maintained in real time by a concentrator is solved; and meanwhile, the automatic separation can be carried out when an error network is added as the communication overtime time length is set, and thus the problem that in the prior art, the automatic separation cannot be carried out when an electric energy meter is added with the error network. Compared with the prior art, according to the network accessing method disclosed by the invention, several defects existing in the prior art are completely and effectively overcome, and the network accessing method of a power line carrier communication module with higher reliability is provided.

The invention relates to a scanning analysis method and system of an organization and an electronic device.The scanning analysis method of the organization comprises the steps that scanning data obtained after a scanning object is scanned according to a scanning protocol is obtained, the scanning protocol comprises a first parameter, and the first parameter comprises a plurality of first selectable parameter values; and determining a target parameter value of the first parameter in a plurality of first selectable parameter values, and organizing and analyzing the scanning data according to the target parameter value of the first parameter. According to the method, the problem of unreliability of a fat quantitative analysis method in related technologies is solved, and the reliability of tissue analysis is improved.

The embodiment of the present invention provides a UAV network route selection method, device and UAV node, which are applied in the field of wireless communication technology, including: when it is judged that the destination node is not within the communication range of the UAV node, the source node The space line between the UAV node and the destination node is used as the best virtual routing line, the virtual relay node on the line is determined, the reference node is selected from the virtual relay node, and the actual data sent by each neighbor node within the communication range of the UAV node is received. Position and motion state, determine the predicted position of the neighbor node in the current time period, use the predicted position to calculate the corresponding evaluation value, apply the corresponding evaluation value to the utility function, and determine the neighbor node with the smallest value of the corresponding utility function as the following One-hop relay node, and trigger the next-hop relay node to continue routing selection for the destination node. This solution solves the problem of unreliable network communication routing links of UAVs caused by the high-speed mobility of UAVs.

The invention provides a coating device with reciprocating movement and synchronous horizontal rotation, which includes a mounting frame assembly, a horizontal rotation assembly and a horizontal reciprocating assembly; the horizontal rotation assembly includes an upper shaft, a synchronous wheel, a synchronous belt fixing rod and a synchronous belt; The synchronous wheel is set, and the synchronous belt is fixedly installed on the synchronous belt fixed rod, and the synchronous wheel is engaged with the synchronous belt for transmission connection; the lower end of the upper shaft is suspended and connected to the mounting frame assembly; the horizontal reciprocating movement assembly includes a mobile pole, a cathode mobile motor and Rocker; the upper shaft is connected to the moving pole through bearings, and the cathode moving motor is connected to the cathode pole through the rocker to reciprocate and drive; when the moving pole is driven to and fro by the cathode moving motor, the mounting frame assembly moves back and forth with the moving pole , and at the same time rotate clockwise or counterclockwise around the upper shaft; the device has a simple structure, is easy to use, simplifies the clamping process, and solves the problems of large motor consumption, complex structure, and motor corrosion in the prior art.

The invention discloses a method for improving reading reliability of data information between boards, comprising the following steps: a checking position is arranged behind the data information between boards, and read data information between boards is checked according to the checking position. The invention also discloses a system for improving reading reliability of data information between boards. A setting unit and a checking unit are arranged in the system, wherein, the setting unit is used for arranging the checking position behind the data information between boards, and the checking unit is used for checking the read data information between boards according to the checking position. The method and the system of the invention can improve the reading reliability of board-type information.

The invention discloses a silicon controlled rectifier combination switch. The silicon controlled rectifier combination switch comprises a bidirectional silicon controlled rectifier (SCR), a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R. The bidirectional SCR is provided with a control end G, a first main terminal T1 and a second main terminal T2, wherein the first main terminal T1 and the second main terminal T2 of the bidirectional SCR are in parallel connection with two ends of a normally opened contact K1-1 of the first electromagnetic switch K1. A normally opened contact K2-1 of the second electromagnetic switch K2 is in series connection with the resistor R. Two ends of a series circuit formed by the normally opened contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of the normally opened contact K1-1 of the first electromagnetic switch K1 in parallel. The silicon controlled rectifier combination switch has the advantages of achieving zero-current silicon controlled rectifier breakover, being reliable in switching process and the like.

The invention discloses a female end of a connector. The female end comprises a main channel piece and a main valve element connected with the main channel piece in a sliding mode. A main inlet channel, a flow dividing cavity and a main outlet channel which are sequentially communicated are formed in the main channel piece, a movable cavity is formed in the position, at the flow dividing cavity, of the main channel piece, the main valve element penetrates through the movable cavity, and a flow dividing channel is formed in the movable cavity. The valve head of the main valve element can slide to block the main outlet channel so that the flow dividing channel can communicate with the flow dividing cavity, and can slide to block the movable cavity so that the flow dividing channel can be disconnected from the flow dividing cavity. The valve head of the main valve element not only can move forwards to block the main outlet channel, but also can block the movable cavity to enable the flow dividing channel and the flow dividing cavity to be disconnected when the valve head of the main valve element retreats. The valve head can be better utilized, other structures do not need to be used for sealing respectively, the sealing performance of the valve head can be fully guaranteed, and therefore the overall using firmness is greatly improved. The invention further discloses a connector comprising the female end.