71results about How to "Troubleshoot things that don't work" patented technology

The invention provides a dynamic micro-service calling method and device of multi-language cloud compiling. The dynamic micro-service calling method comprises the following steps: after transmitting calling information of a micro-service of a user to a gateway by a terminal, judging whether the micro-service exists in a server or not by the gateway; if so, routing a calling request to the server so that the server executes a corresponding task according to the calling request; and feeding a result of the executed task back to the terminal. The called micro-service is a function point which is independent to a whole business system and can realize a pre-set function, but not the whole business system, so that the pre-set function can be realized through calling the current available micro-service when the business system is upgraded or has a fault, and the whole business system does not need to be called. The problem that a business finished by the business system cannot be normally operated when the business system is upgraded or has the fault is solved, and the flexibility, openness, maintainability and scalability of system function extension are effectively improved.

The invention provides a terminal and a data partitioned management method, wherein the terminal comprises a partition partitioning unit, a data detection unit and a data management unit; the partition partitioning unit is used for partitioning different partitions used by one operation system or a plurality of operation systems in the terminal in a terminal storage space; the data detection unit is used for detecting whether data are used in different operation systems of the terminal; the data management unit is used for storing data into a partitioned shared partition commonly used by a plurality of operation systems if the data can be used for a plurality of operation systems in the terminal; and the data management unit is also used for storing the data into a partitioned independent partition independently used by a single operation system if the data are only used for the single operation system in the terminal. With the adoption of the terminal and the data partitioned management method, through the partition of the shared partition and the independent partition, not only can the condition that the data cannot occupy space because of being stored repeatedly be guaranteed, but also the data under each system can be normally used.

A method for fault-tolerant control of brushless DC motor feature that that output of Hall sensor is monitored in real time during the operation of motor, and the Hall value of output of Hall elementis used to judge the fault of single-phase, two-phase and three-phase Hall element. Wh three-phase fault occurs, directly through the traditional three-stage start from zero speed to the motor closed-loop state, through the back-EMF zero-crossing detection method to detect the rotor position and speed, the normal operation of the motor is achieved. When the single-phase and two-phase Hall elementsfail, the motor speed is calculated by the average speed algorithm and the commutation time of the driving circuit is estimated according to the speed. This method can effectively solve the problem that the motor can not run normally due to the fault of Hall position sensor.

The embodiment of the invention discloses a method for the redundant backup of network equipment. The method comprises the following steps that: VRRP (Virtual Router Redundancy Protocol) messages are exchanged through direct communication between a VRRP active router and a VRRP standby router so as to negotiate active-standby relationship, and meanwhile, the VRRP active router sends a free ARP (Address Resolution Protocol) message to access equipment through being connected with an interface of the access equipment, and informs the access equipment of guiding user flows to the VRRP active router. The embodiment of the invention further provides corresponding equipment and system. According to the technical scheme provided by the embodiment of the invention, the VRRP messages are exchanged through the direct communication between the VRRP active router and the VRRP standby router, and the VRRP active router sends the free ARP (Address Resolution Protocol) message to the access equipment through being connected with the interface of the access equipment, so that the problem that the VRRP cannot be normally operated because the access equipment cannot forward the VRRP messages, in the prior art, is solved.

The invention discloses an area differential protection system and method reflecting an inter-phase fault of a power distribution network. The device is mounted in each bus, and an RS485 bus reads data information of each incoming/outgoing wire in the bus; different area protection devices communicate with each other via fibers; and the area differential protection device with most branch lines inthe bus serves as a main station. The method comprises that the area differential protection device with most branch lines in the bus is selected as the main station; real-timeline operation data collected by the area differential protection device in the line is exchanged mutually among different area differential protection devices; the area differential protector makes determination when the detected single-phase current abrupt change amount is higher than a setting value; fault information is sent when the minimal action differential current is greater than or equivalent to 0.7 time of the sum of a brake current and a load current; and the fault information is sent to the main station to construct a fault information matrix A. Thus, a fault of the power distribution network is detected and the inter-phase fault is isolated rapidly efficiently.

The invention discloses an EPG data processing method, an EPG server and an EPG data processing system and relates to the field of digital televisions. The EPG data processing method, EPG server and EPG data processing system solve the problem of the prior art that the EPG server cannot run normally due to the fact that a lot of outlet bandwidth of the EPG server is occupied when the EPG server sends EPG data to each smart television. The EPG data processing method includes that the EPG server acquires the EPG data of a local channel corresponding to a target time sign and the corresponding URL from the EPG data stored in a database of the EPG server according to the target time sign in the first user request sent by a terminal, and sends the EPG data of the local channel corresponding to the target time sign and the corresponding URL to the terminal to facilitate the terminal to send a second user request with the URL to a third server so as to indicate the third server to obtain the EPG data of a China Central Television satellite television channel corresponding to the URL according to the URL corresponding to the target time sign and send the EPG data to the terminal.

A method and apparatus for upgrading are provided. The method comprises: detecting whether a download flag of a second erasable editable logic device EPLD program is present in a spare information area for storing spare storage area state information, wherein the second EPLD program is an upgraded version of the first EPLD program, the first EPLD program is a version to be upgraded, and the sparestorage area is used for storing the second EPLD program; If the detection result is yes, the second EPLD program is put into trial operation. In the event of successful commissioning of the second EPLD program, the second EPLD program is activated. The invention can solve the problem that the EPLD program after upgrading is not guaranteed to be available after being activated in the related art,and the single board may not be able to run normally, meanwhile, the selection of the upgrading version is realized, and the effect of guaranteeing the reliability of the EPLD startup is achieved.

The invention discloses a flexible DC energy dissipation apparatus and a circulating current control method thereof. The flexible DC energy dissipation apparatus comprises a hybrid modular multi-levelconverter. The hybrid modular multi-level converter includes three phase units, each unit consists of an upper bridge arm and a lower bridge arm, and each bridge arm is composed of at least one sub-module connected in series. The sub-modules of one phase unit are first sub-modules, and the sub-modules of the other two phase units are second sub-modules. The first sub-modules are half-bridge sub-modules with chopper circuits or full-bridge sub-modules with chopper circuits, and the second sub-modules are half-bridge sub-modules or full-bridge sub-modules. When the sub-modules of one phase unitare half-bridge sub-modules with chopper circuits, the sub-modules of the other two phase units are half-bridge sub-modules. When the sub-modules of one phase unit are full-bridge sub-modules with chopper circuits, the sub-modules of the other two phase units are full-bridge sub-modules. The circuit structure can be simplified, and the number of circuit devices can be reduced. Therefore, the system cost is reduced, and the installation is easy.

The invention discloses an automatic power-down restart circuit and a corresponding Internet-of-things gateway. The circuit comprises a first processing unit, a state monitoring unit, a power failurerestart function selection unit, a delay power-on control unit, a power supply control unit and a filter network unit. According to the circuit, when system software runs abnormally, the state monitoring unit is controlled to send a low-level signal to the power-down restart function selection unit, so that the power-down restart function selection unit outputs the low-level signal to the delay power-on control unit to immediately respond to the abnormal state of the system and carry out power-down restart operation; the problem that when the system is abnormal, normal operation cannot still be achieved through watchdog circuit reset is solved, and the situation that the system operates abnormally due to insufficient power failure is avoided. Moreover, when the system software is upgradedand cannot be timely fed to the dog, the watchdog circuit function can be shielded in advance, so that sufficient time for upgrading the system is ensured.

The embodiment of the invention provides a container-based resource scheduling method and device and a container cluster management device, and the method comprises the steps: receiving resource application information which is used for requesting to distribute resources for operating a first application; calling a resource management component based on the resource application information; and controlling the resource usage amount of the first application to be less than or equal to the resource upper limit value available for the first application through the resource management component. The embodiment of the invention is used for solving the problem that a plurality of application containers cannot run normally when sharing resources and exceeding the resource use upper limit.

The invention discloses a fault diagnosing and resetting method for an electric transmission line patrol robot. The fault diagnosing and resetting method for the electric transmission line patrol robot comprises the following steps that when an arm spreading mechanism moves and detects that the feedback count of a driver used for driving the arm spreading mechanism is not in linear variation and an arm spreading sensor of the arm spreading mechanism generates infinite place signals, the electric transmission line patrol robot is controlled to stop; and/or, when the electric transmission line patrol robot operates, output signals of a robot sensor do not change, the operation state of the electric transmission line patrol robot is controlled through a drive current; and/or, when no feedback information is received after the electric transmission line patrol robot sends instructions to a control base station, a router is restarted. By the adoption of the fault diagnosing and resetting method for the electric transmission line patrol robot, automatic fault diagnosis can be rapidly and accurately conducted, fault correcting work can be conducted, and a guarantee is provided for normal operation of the electric transmission line patrol robot.

A method, apparatus and storage medium for dynamically patching function. The method comprises: restoring N long jump instructions at initial instructions of a modified patched function to original instructions of the patched function on the basis of a pre-tag of a currently running task, wherein N is an integer more than or equal to 3; and when the currently running task quits running, modifying the N original instructions at the start of the initial instructions into the long jump instructions, in order to dynamically patch the function. By adopting this method, firstly, the N long jump instructions at the initial instructions of the modified patched function are restored as needed to the original instructions of the patched function during the task running, and then, when the task quits running, the N original instructions at the start of the initial instructions are modified into the long jump instructions, so as to complete the replacement for the patched function, realize the dynamical patching for the function, and solve the problem that after the initial instructions of the patched function are modified into the long jump instructions, the modified system may be unable to operate normally.

The invention discloses a cognitive radar target tracking method in a clutter environment, which acquires all measurement values ​​at the current moment and calculates the measurement values ​​falling into the correlation wave gate; calculates each measurement value falling into the correlation wave gate The value comes from the probability of the target; calculate the equivalent measurement value at the current moment; use it as the input of the sensory memory, and output the system equation parameters at the current moment; perform state and measurement prediction according to the system equation parameters and equivalent measurement values , to obtain the state prediction covariance; use it as the input of the execution memory, and output the emission waveform parameter set at the current moment; calculate the innovation covariance and the state error covariance under each waveform parameter; carry out optimal waveform parameter selection ; Calculate the innovation covariance, state error covariance and state estimation value at the current moment according to the optimal waveform parameters. The invention solves the problem that the existing cognitive radar target tracking technology cannot operate normally in the clutter environment, and can improve the tracking performance in the clutter environment.

The invention discloses a phase sequence self-adaptive control system and method for three-phase full-control rectifier bridge thyristor trigger pulses. The method comprises steps: the phase sequenceof a three-phase AC power supply of a rectifier bridge is measured; if a negative sequence exists and is confirmed by a user, trigger pulses outputted by an excitation system are adjusted in real timeaccording to the phase sequence of the AC power supply, and thus, correct output of the three-phase full-control rectifier bridge is ensured, and an AC power supply incoming line does not need to beadjusted. The problem that the excitation system cannot operate normally due to a copper bar design error or a manual wiring error in the debugging and maintenance process can be solved. The control logic of the trigger pulses of the excitation regulator is perfected, the redundant fault-tolerant capability of the excitation system is improved, and the field debugging efficiency is improved by reducing the workload.

The embodiment of the invention provides a design method of a form designer suitable for a Loongson CPU environment. The method comprises the steps of quoting a graphic view framework on a Linux operating system, performing style reconstruction on standard components in the graphic view framework, and forming an electronic form control class; the electronic form control class inherits basic attributes of a graphic view standard component; establishing a connection relationship between an electronic form control in the electronic form control class and attribute information in a database to obtain the electronic form control with the attribute information; and loading the electronic form control with the attribute information to a plug-in tool capable of running on a Linux operating systemin a Loongson CPU environment for publishing, and generating a form designer. The form designer designed in this way can normally operate in the Loongson CPU environment and work in a visual mode, anapplication system is rapidly established, and the problem that a traditional form designer cannot normally operate in the Loongson CPU environment is solved.

The invention belongs to the technical field of engines, and particularly relates to a bath heating mixer and a heating method thereof. The bath heating mixer comprises a mixer body, a fuel gas connector, a waste gas connector and a bath heating plug, a mixing cavity is formed in the mixer body, and an air inlet communicated with the mixing cavity is formed in the mixer body; the fuel gas connector communicates with the mixing cavity; the waste gas connector communicates with the mixing cavity; a bath heating cavity is formed in the mixer body in the circumferential direction of the mixer body, the bath heating cavity is located in the outer side of the mixing cavity, and a bath heating medium is arranged in the bath heating cavity; and the bath heating plug is arranged in the bath heatingcavity and used for heating the bath heating medium. According to the bath heating mixer, the bath heating plug is used for heating the bath heating medium, so that the mixer is rapidly heated in a cold environment to improve the cold starting performance of an engine, and meanwhile, when the temperature of mixed gas is low, the bath heating plug is started to heat the mixer to ensure normal operation of the engine.

The invention discloses a wet flue gas desulfurization gypsum dehydration system which comprises a dehydration module and a filter liquor recovery module, wherein the dehydration module comprises an absorption tower, a cyclone, a belt dehydrator and a gypsum warehouse; and the filter liquor recovery module comprises a filter liquor tank connected with the belt dehydrator, a filter liquor pump arranged on the filter liquor tank and a flow monitoring module, and the absorption tower, the cyclone, the belt dehydrator, the gypsum warehouse, the filter liquor tank, the filter liquor pump and the flow monitoring module are connected through pipelines. According to the invention, the problems that the slurry contains impurities, and the system cannot normally operate due to the fact that the cyclone is blocked after the slurry flows into the cyclone are solved. The operation steps of the wet desulphurization gypsum dehydration system are simplified, the reaction liquid is effectively utilized, the water flow of the whole system is monitored, and safety accidents caused by idle running of the device due to too low water flow are avoided.

The invention discloses an angle-adjustable Internet of Things module mounting and fixing base station, and relates to the technical field of Internet of Things, the angle-adjustable Internet of Things module mounting and fixing base station comprises a baffle, a mounting column and a shell, and the outer surface of the shell is fixedly connected with the mounting column through a hoop. According to the device, a baffle, a top shell and a first threaded column are arranged, when severe weather such as rain and snow is encountered, accumulated snow presses the upper surface of the baffle, a supporting column is driven to descend, meanwhile, a second spring is driven to compress and extrude the outer surface of an air bag, the air bag is extruded to drive a connecting block and a piston plate to slide in the inner shell, and a first spring is driven to contract; when a baffle descends, a mounting frame is driven to descend, the mounting frame descends to drive a rack to descend, a gear rotates to drive a first threaded column to rotate in a third bearing, the first threaded column rotates to drive a second moving block to move, and the second moving block moves to drive a fixing pin to be inserted into the mounting column. And the shell is further reinforced.

The invention discloses a circulating cooling device and a using method of the circulating cooling device. The circulating cooling device comprises a cooling pipeline, a return pipeline, a first heatexchanger and a radiator, wherein one end of the cooling pipeline communicates with an inlet of the radiator, so that fluid in the cooling pipeline absorbs heat of the radiator; one end of the returnpipeline communicates with an outlet of the radiator, and the cooling pipeline and the return pipeline pass through the first heat exchanger, so that fluid, which absorbs the heat of the radiator, inthe return pipeline preheats the fluid in the cooling pipeline; and the other end of the return pipeline communicates with the other end of the cooling pipeline. The circulating cooling device and theusing method of the circulating cooling device solve the problem that the circulating cooling device cannot operate normally due to pipeline freezing when the ambient temperature is low.

The invention provides a high-power high-reliability voltage retainer used for an automobile starting and stopping system. The high-power high-reliability voltage retainer is higher in power and reliability and smaller in size and ripple. The high-power high-reliability voltage retainer comprises a through circuit module (1), a booster circuit module (2), a reversed polarity circuit module (3), a CAN transceiver (4), a CPU (5), a DSP (digital signal processor) (6) and a battery. A battery input port and a battery output port are formed in the through circuit module (1), a battery input port and a battery output port are formed in the booster circuit module (2), and the reversed polarity circuit module (3) is electrically connected with the booster circuit module (2); the CAN transceiver (4), the CPU (5) and the DSP (6) are sequentially and electrically connected; the CPU (5) is electrically connected with the through circuit module (1), and the DSP (6) is electrically connected with the through circuit module (1); the DSP (6) is electrically connected with the booster circuit module (2).

The invention discloses a CCD detector for a rice color selector. The CCD detector for the rice color selector comprises a CCD detector body, wherein a glass cover plate is fixedly connected to the bottom of the CCD detector body; CCD lenses are fixedly connected to the top of the inner wall of the CCD detector body; a dust removal guide rod is fixedly connected to the bottom of the CCD detector body; a dust removal slide block is movably connected to the surface of the dust removal guide rod; a laser lamp is fixedly connected to the top of the inner wall of the CCD detector body and located at the right side of the CCD lenses; a control circuit board is fixedly connected to the top of the dust removal guide rod; a light ray sensor is fixedly connected to the top of the control circuit board and at a position corresponding to the laser lamp; and a micro drive motor is fixedly connected to the bottom of the dust removal guide rod and located at the right side of the dust removal slide block. The CCD detector for the rice color selector solves the problem that a CCD detector cannot normally run because dust on the glass of a lens cannot be timely and effectively cleaned, of a traditional rice color selector, through the cooperation of the laser lamp, the control circuit board, the light ray sensor and the micro drive motor.

The invention discloses a control method and device applied to an air-cooling cold water heat recovery unit. The method comprises the steps that in response to a triggered unit heat recovery function starting instruction, the pressure operation parameter and the temperature operation parameter of a unit condenser are obtained; and according to the obtained pressure operation parameter and temperature operation parameter, the operating quantity of draught fans of the unit is adjusted. According to the control method and device applied to the air cooling cold water heat recovery unit, the problem that in the prior art, an air-cooling cold water heat recovery unit generates secondary evaporation in operation, and the unit cannot normally operate accordingly is solved, and the efficiency and stability of the unit are improved.