62results about How to "Realize self-recovery" patented technology

The invention relates to the cable communications field and provides a method for managing the interactive service of a cable TV network. Resource allocation and resource recycling are performed through registration and session with set-top box equipment, session and an SRM server to allocate and manage interactive service resources, thereby maximizing the utilization ratio for bandwidth resources and ensuring that the amount of maximum bandwidth resources needed for operation does not increase linearly along with the increase of media content. Therefore, the flexibility of a system is enhanced, the system response time is shortened, and the system is enabled to automatically recover from abnormal conditions.

The invention relates to a safety control redundant system and method for a fully-intelligent master control system, belonging to the field of industrial control. The system and the method are used for solving the problems that the accuracy of a control result is not fully taken into account and the self-recovery can not be realized after failure of a control scheme adopting a distributed control system (DCS) of a dual machine temperature backup control mode. According to the system, a repeated two-out-of-three voting manner is adopted for the acquisition and processing of data information in the system, the accuracy of system input is guaranteed through carrying out two-out-of-three voting on acquired data, the accuracy of system calculation is guaranteed through carrying out two-out-of-three voting on an operation result on control templates, a control template with the best health condition is guaranteed to serve as a master control template through dynamic master control template switching, the accuracy of the system is further improved, and thus, the aim of safety control of the system is realized. The self-recovery of a failure condition of the control template is realized through the seamless reconstruction of the control template in failure, so that the continuity and stability of work of the control system are guaranteed.

The invention discloses an embedded system and a starting method thereof. The embedded system comprises an embedded processor, a programmable logic device and a memory. A low-order address line of the embedded processor is connected with that of the memory, and a high-order address line of the embedded processor is connected with that of the memory by the programmable logic device. a main starting code storage area and a standby starting code storage area in the storage starting programs have the same low-order address range. The programmable logic device maps a high-order address into the high-order address of the main starting code storage area in a default way, and when learning an embedded system starting failure, maps the high-order address into the high-order address of the standby starting code storage area. The embedded processor reads the starting program from the main starting code storage area for program loading starting at the initial starting of the embedded system, and reads the starting program from the standby starting code storage area for the program loading starting when program loading is failed. The invention can improve the starting reliability of the embedded system.

The invention relates to a vehicle intelligent relay which belongs to the field of automobile and electric control technology. The relay consists of an outer circuit of a controller and the controller; the outer circuit of the controller and a circuit of the controller are connected through an internal interface of the controller; the outer circuit of the controller consists of an input post head A, a current sensor, an electromagnetic relay C and an outer post head B connected in turn; the controller consists of a current sensing signal processing circuit, a coordinative protection circuit, a relay drive circuit, a contact diagnostic circuit, an MPU, a bus communication module as well as an internal interface connected with the outer circuit of the controller and a bus interface connected with the bus; the invention is applied to the power supply on-off control of the automobile of the bus technology and simultaneously carried out fault diagnosing on the self of the electromagnetic relay. The relay of the invention has the advantages of simple structure, convenient mounting and high practicability.

The invention discloses a single board configuration self-recovery method and device in a distributed system, and relates to the technical field of the communication. The method comprises the following steps: a main control board sends configuration information of each single board to a corresponding single board, and caches the configuration information of the corresponding single board; the main control board determines whether the fault has been occurred before in the single board according to the before state and the current state of the single board; if determining that the fault has been occurred before in the single board, the previously cached configuration information is sent to the single board so that the single board can recover the single board service. By accurately detecting the single board fault, the previously cached single board configuration information is sent to the corresponding single board so as to guarantee the normal recovery of the single board service.

The invention discloses an asynchronous digital communication system and method jointly modulating frequencies and amplitudes of multiple sub-bands. The method is as follows: dividing the band width of a communication channel into a sub-band or multiple sub-bands; and carrying out jointly asynchronous relative modulation of frequency and amplitude on each sub-band. The system comprises a transmitter and a receiver, multiple code element decision units of the transmitter are respectively connected with multiple input ends of a transmission and calculation control unit; multiple carrier generation units are connected between multiple output ends of the transmission and calculation control unit and the input ends of multiple wireless transmission units; frequency and amplitude storage units are respectively connected with the input ends of the multiple carrier generation units and the transmission and calculation control unit; and frequency and amplitude decision units are respectively connected with the frequency and amplitude storage units and the multiple input ends of the transmission and calculation control unit. In the invention, a direct digital frequency synthesis technology and a high-precision frequency estimation technology are combined through hardware, thereby taking full advantages of the technologies to realize high-reliable communication resisting Doppler frequency deviation and long time delay.

The invention discloses a self-restoring rolling swinging shake-isolation bridge pier, which comprises a pier body, a non-adhesion pre-stressing rib, a damper and a foundation, wherein the pier body is vertically mounted on the foundation, embedded built-in pieces are arranged on the bottom face of the pier body and the top face of the foundation, the non-adhesion pre-stressing rib is arranged in the pier body, one end of the non-adhesion pre-stressing rib is anchored on the top face of the pier body through an anchorage device, and the other end of the non-adhesion pre-stressing rib is anchored at the bottom of the foundation; the damper is arranged between the outer wall of the pier body and the top face of the foundation, one end of the damper is anchored on the outer wall of the pier body, and the other end of the damper is anchored on the top face of the foundation; and the bottom face of the pier body consists of a separation plane in the middle and rolling curved faces on the two sides. According to the self-restoring rolling swinging shake-isolation bridge pier, the bridge pier and the foundation are separated, and earthquake energy is filtered by the rolling and swinging of the bridge pier under a violent earthquake, so that the bridge pier is protected, and the foundation is also protected; and the self-restoring rolling swinging shake-isolation bridge pier is suitable for bridges, sluices and other buildings in a violent earthquake region.

The invention discloses a self-oscillation hiccup-type short circuit protection circuit and a design method therefor. The circuit comprises a power switching circuit, a current detection circuit, an overcurrent and short circuit discrimination circuit, a power switching drive circuit, a reference voltage circuit, and an oscillation time delay recovery circuit. The method comprises the steps: 1, selecting proper parameters forming the current detection circuit; 2, selecting proper parameters forming the overcurrent and short circuit discrimination circuit; 3, selecting the formed overcurrent and short circuit discrimination circuit to be connected with the current detection circuit; 4, selecting proper parameters forming the reference voltage circuit; 5, forming the reference voltage circuit, and enabling the reference voltage circuit to be connected with the overcurrent and short circuit discrimination circuit; 6, selecting proper parameters forming the oscillation time delay recovery circuit; 7, forming the oscillation time delay recovery circuit, and enabling the oscillation time delay recovery circuit to be connected with the reference voltage circuit; 8, connecting the self-oscillation hiccup-type short circuit protection circuit. According to the invention, the self-oscillation hiccup-type short circuit protection circuit achieves the overcurrent and short circuit protection, and can set the automatic recovery time of the power switching circuit.

The invention provides an SoC balance control method of a serial mixed energy storage three-port converter. The control method mainly comprises outer-ring SoC balance control and inner-ring voltage and current control, SoC balance of a storage battery is realized in the outer ring, inner-ring control is composed of voltage and current closed-loop adjustment, and power distribution of the mixed energy storage system and stability of the output voltage of the converter are realized on the basis of virtual impedance control. The provided control method is simple and effective, modularized designis easy to realize, and stable system voltage output is realized while SoC balance of mixed energy storage components is realized.

A method for repairing abnormal nodes of a distributed type tiled display system includes the steps of restarting a node display program, obtaining an awakening command, position information, a display range and a data transmission port, awakening the restarted node display program, obtaining current display state data of a tiled display module, conducting calculation and requesting for display data, receiving and displaying the display data, and switching the states of the abnormal nodes to the normal display states. Correspondingly, the invention provides a system for repairing the abnormal nodes of the distributed type tiled display system. The method and system for repairing the abnormal nodes of the distributed type tiled display system have the advantages that the abnormal nodes can be rapidly repaired without interfering with operation of other normal nodes, self-recovery of the abnormal nodes is achieved, and work efficiency is high.

The invention discloses a 10kV medium-voltage direct-hanging type energy storage power station system, and belongs to the field of energy storage power station design. The system comprises a 10KV energy storage power station preceding stage and a DC / DC bidirectional energy storage converter, wherein the input end of the 10kV energy storage power station preceding stage is directly connected with a10kV power grid, the DC / DC bidirectional energy storage converter is connected with the output end of the energy storage power station preceding stage, and the 10KV energy storage power station preceding stage and the DC / DC bidirectional energy storage converter are subjected to two-stage conversion. According to the invention, the 10kV medium-voltage direct-hanging type energy storage power station system adopts a power electronic technology, the alternating current of a 10kV power grid is directly converted into 750 V direct current through a 10KV energy storage power station preceding stage, and then the 750 V direct current is converted into a voltage needed by an ultra-large battery pack through a DC / DC bidirectional energy storage converter; the 10kV medium-voltage direct-hanging type energy storage power station system has the advantages of low harmonic content, high and low voltage fault isolation, easy maintenance, bidirectional energy transmission and the like; a 750V directcurrent interface is provided, so that new energy and energy storage equipment can be directly accessed, an inverter stage is omitted, the efficiency is improved, and the cost is reduced; and the system is provided with various communication interfaces, so that an energy routing distribution function can be realized, and flexible power transformation and distribution and new energy flexible access are realized.

The invention discloses a self-healing multi-bridging network chitosan derivatization hydrogel and a preparation method thereof, which relates to a multi-bridging network hydrogel and a preparation method thereof. The invention aims to solve the problem that the mechanical property and the self-healing property of the existing natural polysaccharide hydrogel cannot be obtained at the same time. The chitosan is used as a raw material, carboxyl, cyclodextrin and sulfydryl are introduced into the chitosan through carboxylation, free radical polymerization and amidation, and the multi-bridging network hydrogel is obtained through host-guest coordination between the cyclodextrin and ferrocene, disulfide bonds between double sulfydryls and hydrogen bonds between hydroxyl oxygen and hydrogen. Themethod comprises the following steps: 1, preparing O-carboxymethyl chitosan; 2, preparing vinyl-cyclodextrin-itaconic acid ester; 3, preparing cyclodextrin carboxymethyl chitosan; 4, preparing thiolated cyclodextrin carboxymethyl chitosan; 5, preparing polyacrylamide ferrocene; and 6, preparing the hydrogel material. The preparation method has the advantages that the elasticity modulus of the hydrogel reaches 1500KPa, and the mechanical property is reduced by 80% after self-healing. The self-healing multi-bridging network chitosan derivatization hydrogel is used as a high-strength self-healing hydrogel material.

The invention relates to a switch POE power supply abnormity recovery method and device and a switch. The method comprises the following steps: acquiring power supply state information of each networkport and determining a current protection state of each network port; respectively detecting the current and the voltage of each network port in a non-hardware protection state at present, and determining the detection power of each network port in the non-hardware protection state at present; determining an abnormal power supply network port and closing power supply of the abnormal power supplynetwork port according to a comparison result of each detection power and a preset software power threshold; wherein the abnormal power supply network port is a network port of which the detection power is greater than a software power threshold; and recovering the power supply of the abnormal power supply network port after the set duration. Through the processing steps, the network port offlinerate and the on-station maintenance frequency when the POE power supply of the network port of the switch is abnormal are greatly reduced, the protection and self-recovery when the POE power supply ofthe switch is abnormal are realized, and the purpose of greatly reducing the maintenance cost is achieved.

The invention relates to a starting method of an energy storage system, energy storage equipment and a storage medium, the method comprises a system recovery process, the system recovery process comprises the following steps: detecting the state of a target file in the starting process of the energy storage system, wherein the target file is a file required for normal starting of the energy storage equipment; when the state of the target file is a missing state or a damaged state, updating the target file according to a system upgrading installation file stored in a configuration area of the energy storage system; and re-detecting the state of the target file, and if the state of the target file is normal, finishing the starting of the energy storage system. According to the scheme, the purpose of automatically recovering the energy storage system of the energy storage equipment is achieved, the manual maintenance cost is reduced, and the return maintenance rate of the equipment is reduced.

The invention discloses a robot task exception handling method. The robot task exception handling method comprises the following steps of S1, a task point coordinate position and a traffic control area are preset; S2, in the task execution process, a robot carries out real-time positioning through a laser radar and a binocular sensor and autonomously plans a walking route according to the preset task point coordinate position, and meanwhile, the robot updates information of the robot to a scheduling management background through a wireless network; S3, the scheduling management background manages the passage of the robot according to the real-time positioning information of the robot and the traffic control area information; and S4, when the network is disconnected in the task execution process of the robot, the robot with the abnormal network performs autonomous network reconnection, or information relay is performed through near field communication between the robot with the abnormal network and the robot with the normal network, and the information of the robot with the abnormal network is updated to the scheduling management background. The method does not need human intervention, and the overall distribution efficiency can be improved.

Disclosed are a method and an apparatus for implementing system self-recovery. The method includes: detecting the operation states of preset strategy objects in a system; and if the operation states of the strategy objects are detected to have reached preset strategy conditions, recovering the system according to the preset recovery strategies. The present invention enables the communication equipments to achieve self-recovery when encountering serious system failures.

A message buff management method is provided. The method comprises: when a service process applies for a message buffer, allocating an idle message buffer in a total message buffer for the service process, updating the holder information of the idle message buffer to an identification ID of the service process, and updating a timestamp of the idle message buffer to a current latest time; when theservice process applies for a message buffer, allocating an idle message buffer to the service process; detecting the total message buffer according to a preset period; when the holder information ofthe first message buffer in the total message buffer is not the preset holder information and the timestamp of the first message buffer exceeds the first preset time length and is not updated, the first message buffer being recovered. The invention can solve the problem that the message buffer in the prior art can not be efficiently recovered and the system is abnormal.

A full-flow intelligent diagnosis and optimized operation system for an industrial furnace is characterized by comprising a full-flow intelligent detection module, a full-flow digital twinning module,an intelligent diagnosis and analysis module, an intelligent decision control module and an intelligent control execution module. In the full-flow intelligent sensing, full-flow digital twinning, intelligent analysis and diagnosis, intelligent decision making and smart decision making, full-flow intelligent sensing and feedback overall circulation closed-loop process, on one hand, continuous self-analysis and self-diagnosis are carried out on continuously increased and accumulated data, and on the other hand, continuous self-learning and self-optimization are carried out by means of digital twinning and intelligent analysis and diagnosis, and a production operation GPS navigation system is established to realize self-tracking, self-optimization and self-rectification optimization of the full-flow production process. Therefore, the intelligent system functions of self-analysis, self-learning, self-diagnosis, self-recovery, self-management and self-optimization are integrally realized.

The invention discloses a preparation method of double-network hydrogel. The preparation method comprises steps as follows: firstly, agar, acrylamide and a photoinitiator are added to a first reactor,then acrylic acid and first raw water accounting for 90% of total amount of water are added, agar is taken as a first layer and combined by hydrogen bonds, and a first-layer network is formed. Synergistic coordination of ions is realized while free radical polymerization of the double-network hydrogel is performed, the synergistic coordination effect is realized by introducing iron ions on the basis of the optimal second-layer network, one novel second-layer network with chemical and physical joint interaction is synthesized to obtain the hydrogel by polymerization, the synergistic coordination of the ions is realized while free radical polymerization of the double-network hydrogel is performed, and the hydrogel has mechanical properties such as fatigue resistance, self-recovery, high tensile strength and high compression.

The embodiment of the invention discloses an automatic guided vehicle code loss recovery method and device and electronic equipment, and the method comprises the steps: obtaining and storing yaw information when an AGV passes through a navigation code in a process of driving according to a specified route; when the AGV is subjected to code loss, performing posture adjustment on the AGV according to the stored yaw information; and controlling the AGV to drive to the target navigation code along the target direction path. According to the embodiment of the invention, the AGV can be restored to the navigation code more efficiently when the AGV has a code loss condition.

The invention discloses an overload and short circuit protection circuit. A current detection circuit is used to detect a load current flowing through a load. A protection response circuit includes a first charging and discharging circuit connected with the current detection circuit and a first comparison circuit connected with the first charging and discharging circuit. An output control circuit includes a second comparison circuit connected with the first comparison circuit and a switching circuit. When overload or short circuit occurs in the circuit of the load, the load current is higher than the protection starting current, and the first charging and discharging circuit carries out charging until the first comparison circuit outputs a first control signal, so that the second comparison circuit switches off the switching circuit in order to cut off the circuit of the load and enable the circuit of the load to enter a protection mode. After the switching circuit is switched off, the first charging and discharging circuit carries out discharging until the first comparison circuit outputs a second control signal, so that the second comparison circuit switches on the switching circuit in order to switch on the circuit of the load again and enable the circuit of the load to enter a work mode. Thus, when overload or short circuit occurs in the circuit of the load, the protection mechanism can be started automatically and the circuit can be self-recovered without software.

The invention discloses a 10kV medium-voltage direct-hanging type photovoltaic power station system, which comprises a 10kV photovoltaic power station preceding stage and an MPPT controller, wherein the input end of the 10kV photovoltaic power station preceding stage is directly connected with a 10kV power grid, the MPPT controller is connected with the output end of the 10kV photovoltaic power station preceding stage and a photovoltaic cell panel, and the MPPT controller is accessed to a large power grid by adopting BOOST first-stage boosting and two-stage conversion after photovoltaic powergeneration. The10kV medium-voltage direct-hanging type photovoltaic power station system has the advantages of low harmonic content, high and low voltage fault isolation, easy maintenance, bidirectional energy transmission and the like. According to the invention, an intelligent micro-grid can be established and is adjustable and controllable, energy routing and orderly charging are realized, andthe impact on a power grid is reduced.

The invention relates to the field of industrial wireless transmission systems, in particular to an ad hoc network wireless transmission system and method based on channel quality monitoring. The implementation method of the system comprises the following steps that the WIA-FA far-end wireless transmission units are opened for the first time, 360-degree signal capturing tasks can be automatically executed, channel data of the WIA-FA center wireless transmission units captured at all rotation angles are recorded, the WIA-FA far-end wireless transmission units automatically select and lock the WIA-FA center wireless transmission unit with the optimal transmission quality, and the WIA-FA far-end wireless transmission units are started for the first time. After the WIA-FA center wireless transmission unit is locked, directional antenna horizontal angle fine adjustment, directional antenna vertical angle fine adjustment and automatic power control are carried out, and finally the antenna is automatically adjusted to the optimal position. Through the method, automatic selection of opposite-end connection equipment of the wireless transmission system and automatic alignment of the antenna are realized, and the external interference radiation level of the system is reduced, so that the problems that the central base station of the industrial wireless transmission system is difficult to select, the antenna is difficult to align, and interference among wireless networks is serious are solved.

The invention discloses a material capsule with a dynamic combined material pipe. The material capsule comprises a capsule body, a material opening is formed in the top end of the capsule body, a fixing frame is further arranged at the position of the material opening, a mounting hole is formed in the center of the fixing frame, a main material pipe is arranged at the position of the mounting hole, at least two connecting holes are further formed in the fixing frame, and sleeves are further fixedly installed in the connecting holes. The sleeves are similar to the main material pipe in structure, each sleeve comprises a lining pipe and an external pipe and is connected and provided with a material pipe through a rubber hose, the material pipe comprises an inner pipe and an outer pipe, the top of the inner pipe is higher than the top of the outer pipe, the bottom of the inner pipe is higher than the bottom of the outer pipe, and an auxiliary moving device used for dynamic self-moving quick discharging of the combined material pipe is further arranged on the material pipe. Through cooperation of the combined distribution material pipe and the auxiliary moving device which are arranged in the capsule body, the effect that sucked materials automatically move to be close to the middle is achieved under rubber elastic recovery and external force action, and the use value of the material capsule and the cleanliness degree of the sucked materials are improved.

The embodiment of the invention discloses an exception handling method and device for an automatic driving vehicle, equipment and a storage medium. The method comprises the following steps: collecting logic data on which the automatic driving vehicle performs automatic driving; analyzing the logic data to determine abnormal logic data in the logic data; and determining a target self-recovery safety policy based on the abnormal attribute of the abnormal logic data, and executing the target self-recovery safety policy to recover the abnormal logic data to normal. Through the technical scheme of the embodiment of the invention, the self-recovery of the abnormal problem of the automatic driving vehicle is realized, the safety of the automatic driving vehicle is improved, and the consumption of human resources is reduced.

The invention discloses a self-recovery fuse realized by using liquid metal and a circuit, and belongs to the technical field of electrics.The self-recovery fuse comprises a shell, a coil assembly, two U-shaped magnets and a quartz electric arc tube, the coil assembly, the U-shaped magnets and the quartz electric arc tube are all located in the shell, the number of the U-shaped magnets is two, the two U-shaped magnets are located on the two sides of the quartz electric arc tube respectively, and each U-shaped magnet is wound with a coil group. According to the invention, self-recovery of the fuse can be realized; the self-recovery fuse is suitable for a high-power fuse; the electric arc can be blown out; and the adjusting range is wide by using the variable resistor.

The invention discloses a gateway self-recovery and self-network access method for an intelligent lighting control system, and the method comprises the steps: enabling a gateway of the intelligent lighting control system to automatically obtain local network information and server information through local terminal equipment after the gateway is replaced, thereby achieving the automatic connection with a network environment in which the system works, and building the normal connection with a server; and then the gateway obtains other configuration information related to the system from the server, so that self-recovery of the gateway is realized, maintenance personnel only need to dismount the faulty gateway and replace the faulty gateway with a new gateway, the system can automatically recover to a normal working state, system configuration operation of professionals is not needed, the existing system configuration information does not need to be found, and the maintenance efficiency is improved. Therefore, the maintenance process of the intelligent lighting system is greatly simplified, and the maintenance cost of the system is reduced.

The invention, which relates to the technical field of LED driving power sources, discloses an LED driving energy-saving power source with the function of overvoltage protection. The LED driving energy-saving power source comprises a commercial power input circuit, an overvoltage protection circuit, a rectifier bridge, a driving chip U1, a power switch tube Q1, an NPN transistor Q2, a switch transformer T2 and a power output terminal. The driving chip U1 is connected to the power output terminal through the power switch tube Q1, the NPN transistor Q2, and the switch transformer T2 successively. The overvoltage protection circuit consists of a resistor, a trigger tube and a bidirectional silicon controlled rectifier. The switch transformer T2 provides power for the driving chip U1 by the NPN transistor Q2 and transmits a zero current detection signal to the driving chip through the NPN transistor Q2. According to the invention, with the overvoltage protection circuit formed by the resistor, the trigger tube and the bidirectional silicon controlled rectifier between the commercial power input circuit and a choking coil T1, the circuit can be protected effectively and conveniently, the self-recovery of the circuit is realized, and the maintenance cost is reduced.

The invention relates to a safety control redundant system and method for a fully-intelligent master control system, belonging to the field of industrial control. The system and the method are used for solving the problems that the accuracy of a control result is not fully taken into account and the self-recovery can not be realized after failure of a control scheme adopting a distributed control system (DCS) of a dual machine temperature backup control mode. According to the system, a repeated two-out-of-three voting manner is adopted for the acquisition and processing of data information in the system, the accuracy of system input is guaranteed through carrying out two-out-of-three voting on acquired data, the accuracy of system calculation is guaranteed through carrying out two-out-of-three voting on an operation result on control templates, a control template with the best health condition is guaranteed to serve as a master control template through dynamic master control template switching, the accuracy of the system is further improved, and thus, the aim of safety control of the system is realized. The self-recovery of a failure condition of the control template is realized through the seamless reconstruction of the control template in failure, so that the continuity and stability of work of the control system are guaranteed.