43results about How to "Unreliable solution" patented technology

The invention provides a method and device for a monitored progress. The method comprises the steps that the current file feature information of an appointed monitored file is acquired many times, wherein the monitored file is produced when the monitored progress runs; the current file feature information acquired many times is progressed according to the preset monitoring strategy, and current file feature parameters are obtained; the current file feature parameters and legal file feature parameters of the monitored file are compared; whether the monitored progress is abnormal or not is determined according to the comparison result. By means of the technical scheme, whether the monitored progress is abnormal or not is accurately judged, and the problem that in the related technology, the method of monitoring ports is adopted, unreliability exists is solved.

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 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.

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 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 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 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.