68results about How to "Guaranteed uninterrupted operation" patented technology

The invention discloses a virtual machine cluster system and an implementation method thereof for overcoming the defect of high cost of the conventional cluster system. The virtual machine cluster system is constructed on a plurality of physical servers, a virtual machine is operated on the physical servers to provide a plurality of virtual computing nodes, and the virtual computing nodes are divided into a management node and a plurality of computing nodes, wherein the management node is used for creating a management library to record the host names and the dynamic internet protocol (IP) addresses of the computing nodes and managing the whole virtual machine cluster system according to the host names and the dynamic IP addresses; and the computing nodes are used for completing the computing tasks of the virtual machine cluster system. According to the technical scheme, the cluster system is constructed by using the virtual machine, so the usage quantity of the physical servers is reduced, and the cost of the cluster system is reduced.

An electromagnetic positioning and navigation device for a transcranial magnetic stimulator is composed of an electromagnetic positioning and navigation module (1), a coil gesture control module (2), a three-dimensional seat (3), an image collection and processing module (4), an electromagnetic calculation module (5), a display module (6) and a transcranial magnetic stimulator coil (7). The electromagnetic positioning and navigation module (1) is connected with the coil gesture control module (2) and the three-dimensional seat (3), and the coil gesture control module (2) is installed on the transcranial magnetic stimulator coil (7). The image collection and processing module (4) can rebuild a three-dimensional head model of a patient in the image space to mark therapeutic targets. The electromagnetic positioning and navigation module (1) records space position and coil gesture of the head (8) of the patient and conducting alignment on head positions in the image space and the sensor space and the position of the transcranial magnetic stimulator coil (7). Induction field distribution of the head of the patient is displayed in the display module (6) by means of calculation of the electromagnetic calculation module (5).

The present invention discloses a method and device for electromagnetic localization and navigation for a transcranial magnetic stimulator. The coordinate systems of geometric space position models of a head and a magnetic stimulation coil are registered with the coordinate system of the real position of a patient' head marked by a position sensor and the real position of the magnetic stimulation coil to accurately and rapidly perform localization process from images to concrete positions.

The invention provides an AGV charging management method. The method includes the following steps that a charging threshold value a, a target electric quantity value b and a lowest electric quantity threshold value c are set; a total real-time electric quantity value e of AGVs in a transport system is monitored; an expected number g of to-be-charged AGVs in the transport system is calculated; theg AGVs are selected as the to-be-charged AGVs, whether the AGVs marked with execution of charging tasks exist in the expected number g of the to-be-charged AGVs or not is judged, according to the charging threshold value a and the lowest electric quantity threshold value c, the precedence levels of the to-be-charged AGVs are judged, and the to-be-charged AGVs are sequentially moved to operating charging piles to be charged according to the precedence levels; and an operation in a new round is started after one to-be-charged AGV is charged. The provided transport system applies the above AGV charging management method. By the adoption of the AGV charging management method, the charging precedence levels of the AGVs can be arranged quickly; and the transport system can assess the total electric quantity of the AGVs in the transport system and then execute charging management, so that AGV charging management decision making time is shortened.

The invention discloses a running state control method of a brushless double-fed motor. The running state control method comprises the steps of making a control system powdered on, completing self-detection of the system, and entering a standby state; and judging a target control state of the brushless double-fed motor and controlling the brushless double-fed motor to work in the target control state by the control system according to a starting-up command which is received in real time and running state of a part under the standby state and according to a judgment rule. A special structure and control requirement of the brushless double-fed motor are combined, a corresponding action is executed on each switch according to switching of different states and according to a principle of a state mechanism, so that the original complicated switching logic control process becomes simple and high-efficiency; state and fault classification of the motor is used as a switching condition, the scientific reasonableness of system action is ensured, and the running safety is also effectively guaranteed; and moreover, when a controller fault occurs in the system, the motor is maintained in an asynchronous running state by state switching, so that uninterruptible running of site operation is ensured, and the running state control method has important significance.

The embodiment of the invention discloses a resource warning processing method and routing switching equipment. The resource warning processing method comprises the following steps that: the routing switching equipment receives routing messages; when the protocol module which is in accordance with the type of a protocol of the information in the routing switching equipment is in an overflow status or the resource of the routing switching equipment is insufficient, the routing messages are discarded; and after the routing messages are discarded, and when being not marked to be the overflow status, the protocol module is set to be marked with the overflow status. When the resource of the routing switching equipment is insufficient, the embodiment of the invention ensures that the original transmission service of the routing switching equipment operates continuously, and strengthens the usability and the anti-risk capability of the routing switching equipment and a network.

The invention discloses a method that adopts photo catalytic oxidation of nano materials to restrain membrane fouling, which relates to a membrane fouling. The method that adopts photo catalytic oxidation of nano materials to restrain membrane fouling is provided. A membrane biological reactor and a nano TiO2 photo catalytic oxidation reactor are arranged, wherein, a water inlet end of the nano TiO2 photo catalytic oxidation reactor is communicated with a water outlet end of a biological reactor of the membrane biological reactor; a water outlet end of the nano TiO2 photo catalytic oxidation reactor is communicated with a water inlet end of a membrane separation component of the membrane biological reactor. Waste water is led in the water inlet end of the biological reactor of the membrane biological reactor of a nanao TiO2 photo catalytic oxidation membrane and a water outlet end of the membrane separation component is communicated with a recycling water pipe; a power switch is connected and a water inlet pump at the water inlet end of the biological reactor is started; an ultraviolet radiation quartz light tube in the nano TiO2 photo catalytic oxidation reactor is started; the normal working state of equipment is kept; the power switch is turned off when work is required to be stopped.

The invention relates to the technical field of the network security, and specifically relates to a system capable of quickly discovering and processing network fault, and a processing method thereof.The processing method comprises the following steps: continuously monitoring and analyzing running state and traffic data of target network equipment by using a server, and establishing a traffic database after acquiring the traffic data of the target network equipment, and then performing real-time analysis and judgment on the traffic database; shielding a fault source by adopting a corresponding processing rule once discovering the network abnormality, thereby realizing the quick recovery of the network fault. Through the processing method disclosed by the invention, the network fault caused by network illegal behavior can be quickly processed, and the technical problem of low operation and maintenance efficiency is solved.

The invention relates to a control method for a wind power current converter based on positive-and-negative sequence current inner-loop control. The control method comprises the following steps that firstly, an electric quantity parameter of a power grid is detected, and an asymmetrical fault type which occurs on the power grid is judged; secondly, a malfunctioned unbalanced power grid electric quantity is detected and acquired according to the asymmetrical fault type; the malfunctioned unbalanced power grid electric quantity is decomposed into a positive-sequence component and a negative-sequence component, and the positive-sequence component and the negative-sequence component are converted to a positive-rotation coordinate system and a negative-rotation coordinate system; fourthly, a positive-sequence current control model and a negative-sequence current control model are established, according to the control models, a second harmonic component of an asymmetrical power grid fault is eliminated, and a sinusoidal waveform of the output electric quantity is guaranteed. Compared with the prior art, the control method has the advantages that the control performance is good, and the method is advance.

The embodiment of the present invention provides a data cloning method and a data cloning system, wherein the method comprises: determining whether a main controller gets out of order or not, if so, sending a cloning stop instruction to the main controller, receiving feedback information fed back by the main controller after stopping cloning, determining the data that are not cloned in a source volume, sending a cloning instruction to a subordinate controller, and cloning the data that are not cloned in the source volume by virtue of the subordinate controller after receiving the cloning instruction. When the main controller gets out of order, a cloning function is switched to and carried out on the subordinate controller, the waiting for the repair of the main controller is not required, and the data are not required to recover from a target volume to ensure that cloning operation can be performed continuously, so that the waiting time of cloning recovery is extremely short, the uninterrupted operation of upper-layer service is ensured, the real-time consistent data backup of user data is ensured, and the reliability of the data is improved.

The invention relates to the technical field of automatic power supply maintenance of a base station, and particularly relates to a method for analyzing endurance of a storage battery. The method comprises the following steps of: collecting a real-time current value and a voltage value discharged by the storage battery; calculating a duration time and a remained volume of the storage battery according to a preset endurance time formula and a remained volume formula; and giving out related warning information and performance value of the storage battery. According to the method for analyzing endurance of the storage battery provided by the invention, the volume of the storage battery can be known in time, so as to more well ensure that the running of the base station and a machine room communication system is not interrupted under the power-off condition of mains supply.

The invention relates a dedicated measuring instrument for shield grease water-resistant sealing and a test method thereof. The measuring instrument is mainly composed of a high-pressure gas source, aparallel-connected two-path pressurizing control device, a test tube and a pressure release valve; the two-path pressurizing control device is connected with the test tube by means of the high-pressure pipeline; a testing sieve plate is arranged at the bottom of a test tube main body. The test method comprises the following steps: placing the testing sieve plate in the test tube and injecting into shield grease, and injecting water into an upper part of the grease; pressurizing the test tube through the two-path pressurizing control system, and retaining for a certain time under the stipulated pressure; observing whether water seeps from the testing sieve plate at the bottom of the test tube, and recording the grease leakage rate. Through the tester and test method disclosed by the invention, the water-resistant sealing performance of the shield grease can be effectively reflected by stimulating a working condition of the shield grease in the shield construction under the high-pressure water environment.

The invention discloses a mineral warehouse security and protection system. The system comprises various storage rooms, a radio frequency detection module, a main control module, an alarm module, a first circuit breaker component, a main power source and a second circuit breaker component and a backup power source, wherein the storage rooms are used for storing minerals, the main control module iselectrically connected with the radio frequency detection module and the alarm module, the first circuit breaker component is electrically connected with the main power source and the radio frequencydetection module, and the second circuit breaker component is electrically connected with the backup power source and the radio frequency detection module, the main control module can control the on-off of the first circuit breaker component and the second circuit breaker component to ensure the continuous power supply of the system. The mineral warehouse security and protection system has the advantages of uninterrupted operation and ensured strictness of security and protection.

The invention relates to the technical fields of information and communication and in particular relates to a single point of failure protection method and device of a railway track monitoring and sensing network. In order to prevent single point fault of networking equipment in the railway track monitoring and sensing network from causing network failure, the invention provides the single point of failure protection method and related device of the railway track monitoring and sensing network. Through adopting a main/standby railway track monitoring and sensing network controller and main/standby railway track monitoring and sensing access multiplexing equipment in the railway track monitoring and sensing network, the standby equipment works instead of the main equipment when the main equipment has fault, thus ensuring the ceaseless running of the railway track monitoring and sensing network, and preventing the single point fault of networking equipment in the railway track monitoring and sensing network from causing network failure.

The invention discloses an intelligent control system and particularly relates to a domestic-hot-water intelligent control system of a distributed energy station. The domestic-hot-water intelligent control system is characterized in that one end of an electric hot water boiler is communicated with an electric boiler heat storage water pump through a first valve, and the other end of the electric hot water boiler is communicated with a high water tank; the electric boiler heat storage water pump, a heat storage water tank, a primary heat supply circulation pump, a heat supply plate type heat exchanger and a secondary heat supply circulation pump are sequentially communicated through pipelines, and the heat storage water tank is communicated with the electric hot water boiler through a second valve; the domestic-water heat storage plate type heat exchanger is communicated with the electric boiler heat storage water pump through a domestic-water heat storage circulation pump, a liquid level switch is mounted on the high water tank, and a liquid level measuring sensor is mounted on the heat storage water tank; each equipment above is electrically connected with a control device, and the control device controls the operation of the whole domestic-hot-water intelligent system. The intelligent control system has the advantages that manual operation is not needed, intelligent control of domestic hot water is achieved, and users' living requirements are satisfied while equipment operation energy consumption is lowered greatly.

The invention discloses a stylus assembly production line. The stylus assembly production line comprises a first assembly machine, a first standing curing machine, a first detection machine, a secondassembly machine, a second standing curing machine and a second detection machine, wherein the first assembly machine is used for screwing and assembling a fastener sprayed with a catalyst at a firstassembly position of a refill dispensed with thread glue; the second assembly machine is used for screwing another fastener sprayed with the catalyst at a second assembly position of the refill whichis assembled with the fastener and dispensed with the thread glue; the first standing curing machine and the second standing curing machine are respectively used for the standing storage of a stylus assembled with the two fasteners and the conveying of the stylus after curing; and the first detection machine and the second detection machine are respectively used for detecting the assembly firmness, the assembly precision and the glue amount of the two fasteners. The stylus assembly production line is high in assembly and dispensing precision; and through the cooperation of the catalyst and thethread glue, the curing speed of the thread glue is increased, and the bonding firmness is effectively improved.

The invention relates to master control backup equipment and a master control backup method in optical signal aggregation processing equipment. A master main control board card of an embedded ZYNQ control chip realizes service communication with three service board cards through one GE network port, and performs data backup and state monitoring with the embedded ZYNQ control chip of a standby maincontrol board card through the other GE network port. When the main main control board card breaks down, the three service board cards are connected with the standby main control board card, the standby main control board card is switched to the role of the main main control board card to continue supporting service work of the equipment, and after the main main control board card returns to normal again, the three service board cards are connected with the main main main control board card again, and the standby main control board card reversely backs up the data to the main main control board card, and then returns to the role of the standby main control board card. Therefore, the backup function of the main controller in the optical signal aggregation processing equipment is completed,the effect that the equipment service can normally operate after the main controller breaks down is achieved, and the reliability of the equipment is improved.