224results about How to "Won't crash" patented technology

The invention discloses a sweeping device of a sweeping car. The sweeping device of the sweeping car consists of a bracket, a parallel four-bar mechanism, an elevating hydraulic cylinder, a sweeping disk and a hydraulic motor, wherein the inner end of the bracket is arranged on a chassis of the sweeping car while the outer end is connected with a front seat of the parallel four-bar mechanism through a hinge; the elevating hydraulic cylinder is arranged on the lower part of on inner side of the front seat of the parallel four-bar mechanism, and a piston rod of the elevating hydraulic cylinder is connected with the back part of an upper connecting rod through a hinge; the hydraulic motor is arranged on a back seat of the parallel four-bar mechanism; and the sweeping disk is arranged on the hydraulic motor. The sweeping device of the sweeping car further comprises a spring and an inhaul cable, wherein one end of the spring is arranged on the front seat of the parallel four-bar mechanism while the other end is arranged on the bracket; and one end of the inhaul cable is arranged on the back seat of the parallel four-bar mechanism while the other end is arranged on the bracket. The sweeping device for the sweeping car not only has a simple structure, but also prevents the sweeping disk from being collided with and damaged by obstacles.

The invention relates to multi-sensor-fusion relative attitude measurement, in particular to a moving-base-object relative attitude measuring method based on dual-IMU-and-visual fusion. The method includes the steps of low-accuracy IMU deviation compensation, dual-IMU moving-base-object relative attitude measuring, visual-object relative attitude measuring, multisensory time synchronization and vision-and-dual-IMU data fusion based on IEKF. By means of the moving-base-object relative attitude measuring method, the problems that the relative attitude of movement objects cannot be measured through a single IMU on a moving base, angle integration errors are diverged in an unrestraint mode along with time in inertial measurement, and as sight lines are shielded, characteristic marking points are difficult to indentify to allow the attitude output frequency to be low are solved.

This invention relates to a method for identifying network user identities, first of all, a customer end machine initiates an identification request, a network identification server generates a set of time stamps and random numbers and sends them to the customer machine and generates the life period T of the identification process, the customer machine and the server compute a set of symmetrical cryptographic keys and identification passwords separately, the passwords of the customer end are transmitted to the network identification server, which computes if T is finished, if so, it is the illegal user, if not, it compares if the passwords at both ends are the same, if so, they are legal and the log-on is successful otherwise they are illegal and the log-on is failed.

The invention discloses a full-automation filling machine which comprises a rack, a discharging device, a rotation plate device, a baiting device and a conveying device, wherein the discharging device, the rotation plate device, the baiting device and the conveying device are arranged on the rack. The rotation plate device comprises a rotation plate and multiple baiting through holes. A bottle clamping plate is arranged below the rotation plate, multiple bottle clamping grooves are formed in the periphery of the bottle clamping plate and a bottle ejecting mechanism is arranged below the ejector rod fixing plate. The discharging device is located above the rotation plate. A discharging opening of the discharging device is communicated with the baiting through holes in the rotation plate. The baiting device is located above the rotation plate and matched with the baiting through holes corresponding to baiting stations. The conveying device corresponds to the bottle clamping grooves at bottle inlet stations and bottle outlet stations. According to the full-automation filling machine, the bottle clamping plate is used for clamping and fixing filling bottles and a bottle jacking mechanism is used for jacking the corresponding filling bottle, so that the filling bottle totally corresponds to the corresponding baiting through hole of the rotation plate. In the whole filling process, the filling bottles can rotate synchronously along with the rotation plate and the filling problem due to the fact that the filling bottles do not align with a baiting hopper in an existing structure is solved.

The invention discloses a magnetorheological energy absorber with failure-safety performance. The magnetorheological energy absorber with the failure-safety performance is characterized in that an inner cylinder body and an outer cylinder body form a sleeve barrel structure with two sealed ends, a piston is arranged inside the inner cylinder body, a hollow cavity of the inner cavity body is an inner cavity, an annular outer cavity is formed between the inner cylinder body and the outer cylinder body, the piston divides the inner cavity into a front cavity and a rear cavity, the lateral walls, located at the front end and the rear end of the inner cavity, of the front cavity and the rear cavity are respectively provided with a liquid flowing hole, the inner cavity and the outer cavity are communicated through the liquid flowing holes, magnetorheological liquid fills the inner cavity and the outer cavity, an annular groove is formed in the outer lateral wall of the inner cylinder body and / or the inner lateral wall of the outer cylinder body, electromagnetic coils and permanent magnets are arranged inside the annular groove, and a magnetic field produced by the permanent magnets and the electromagnetic coils is cut by two sides of the inner cylinder body and the two sides of the groove to effectively surround the outer cavity and the outer cylinder body, so that a closed magnetic flow loop is formed. The magnetorheological energy absorber and a semi-active control system of the magnetorheological energy absorber provide the reliable failure-safety performance and effectively widen application occasions.

The invention provides a multi-system based WiFi device reuse method and device. The WiFi device reuse method includes: performing arbitration on an operation request of a current system proxy client end according to the current states of all the systems in a state storage module so as to determine if an operation is executed or not; executing an operation needing to be executed; setting a pseudo result and / or pseudo information for an operation not needing to be executed; and achieving WiFi device reuse of a plurality of systems. The method performs arbitration on the operation request of the system on a plurality of vessel technique based systems, and then can achieve independent operation among a plurality of systems, and a user can use a WiFi function in any one system. WiFi configuration filtering tables corresponding to all the systems are mutually independent, and then WiFi configuration information corresponding to all the system is mutually independent, and complete isolation among all the systems can be achieved.

The invention provides a dual-machine loading-and-walking type hydraulic numerical control deck erection gantry, which comprises two sets of loading-and-walking type hydraulic numerical control deck erection gantries and a control system, wherein each set of the loading-and-walking type hydraulic numerical control deck erection gantries comprises the following four parts: a transverse truss girder, two sets of walking type loading-and-walking devices arranged at two ends of the transverse truss girder, a hydraulic lifting device and a carrying pole of a hanger; each set of the walking type loading-and-walking devices consists of a guideway, a walking mechanism steel framework, m traction jacks, 4n load conversion jacks, a supporting pull rod, a walking roller bracket and P guideway walking jacks; all the components are connected with one another by pin shafts; and the control system of the deck erection gantry is a distributed computer network control system which consists of a main control station, Y field controllers, Y pump stations, Y pump station starting boxes, a data acquisition system, and a plurality of data wires and communication wires. The deck erection gantry has the advantages of great lifting force and high work efficiency and stability; and when the deck erection gantry walks with load, the control system of the deck erection gantry can effectively and synchronously control every jack.

The invention relates to a method for automatically generating test data in a cloud computing environment, belonging to the technical field of performance tests. The method comprises the four steps of defining a test plan, uploading data to be tested to a cloud testing platform, executing a test and generating and analyzing a test report. According to the invention, too much manual intervention is unnecessary; the repetitive process can be effectively reduced, so that the time, the cost and the workload can be saved; and the method has the advantages of being rapid in data processing and testing speed, saved in memory space and the like.

The monitored control (MC) system is composed of up device, low device and data acquisition system. The up device is a MC computer with monitored control software in use for monitored controlling system and data management. The low device includes n pieces of site controller composed of n pieces of programmable controller with logic control main program and synchronous adjustment sub program being written into. Being installed on y pieces of hydraulic power unit, the n pieces of site controller through real time network is connected to MC computer. The method includes remote control mode, and local control mode. No mater how large the system is, direct selecting mode for jacks is adopted in the system. Features are: simple system circuit, intuitive operations, and accurate measurement. Configuration software is in use for monitoring system and querying historical data. The invention is in use for lifting control of large-scale component.

The invention discloses a method for controlling a fan of a server. The method comprises the following steps executed by a CPLD of detecting whether a watchdog signal output by a BMC is normal or not,and performing reset operation on the BMC in response to the detected normal watchdog signal; detecting whether the fan is in place one by one, and detecting PWM control signals from the BMC; outputting a power supply enabling signal in response to the detected PWM control signals from the BMC, controlling the rotating speed of the in-place fan according to the PWM control signal; and outputtinga power supply enabling signal in response to the not detected PWM control signals from the BMC, controlling the rotating speed of the in-place fan according to a preset control signal. The inventionfurther discloses a device for controlling the fan of the server. According to the method and the device for controlling the fan of the server, the wiring complexity of the PCB of the server can be remarkably reduced, the design structure is simplified, and the design cost of the system is reduced.

The invention discloses a three-dimensional model drawing method, comprising the steps of: carrying out viewport cutting on displayed image data so as to obtain image data corresponding to different viewport heights and different spans of latitudes and longitudes; dividing the corresponding image data into a plurality of data blocks according to the different viewport heights and different spans of latitudes and longitudes; carrying out detailed level processing on each data block and constructing a plurality of three-dimensional solid models; and drawing the three-dimensional solid model corresponding to each data block. The invention also discloses a three-dimensional model drawing device which realizes the rending of mass three-dimensional models under the condition of high-speed and high-accuracy drawing of the three-dimensional model data.

The system comprises a digital visual intercom indoor intelligent gateway extension control system, which comprises a system functional module, a gateway extension functional module, a control system platform, a control system networking module and a system operation mode. An indoor extension circuit part adopts a hardware bottom layer based on a Cortex architecture, integrates a digital wireless ZigBee module and switching value input, and adopts an open Android 4.2 system in an application layer. The system functional module comprises a control module, a system setting module, a security protection module, a visual intercom module, a ZigBee intelligent home module, a WiFi module and an RS485 module. The control module performs comprehensive control and operation on the operation of an intelligent control system through the control system platform and built-in control software. The digital visual intercom indoor intelligent gateway extension control system is pure digital visual equipment, and has the advantages of good compatibility, high anti-interference performance by networking in a topological manner, low construction investment and cost, stable operation of a security protection system, and low use and maintenance costs.

The invention discloses an internal and external network boundary isolation and data exchange technology based on a unidirectional transmission physical medium, and relates to the field of informationsecurity. A unidirectional transmission physical medium is used for setting a data bidirectional isolation protection channel; physical network link isolation and logic link communication of internaland external networks are realized; real-time data exchange between an external network and an internal network is realized within a controllable range; The uplink and downlink isolation protection channels in the device are responsible for uplink and downlink data exchange on the two sides of the device respectively, it is guaranteed that only authorized data can reach the other end through thedevice, the isolation layer cannot interact with networks on the two sides of the device, and it is guaranteed that the isolation layer cannot collapse due to external invasion or internal damage. Duplex one-way transmission supported by TCP / UDP full protocols is provided, and the defects that an access control module is placed in an isolation region and cannot directly interact with the two ends,and a firewall is easily invaded by the outside or damaged by the inside are overcome.

The present invention relates to the field of damping technology, in particular, it relates to a method for preparing porous marmen damping composite material covered with metal, and its preparation method includes the following steps: (1) preparing porous marmen: mixing original marmen powders, making blank material, prehaeting in heating furnace, lighting blank to synthesizing the porous marmen.; (2) treating porous marmen; machining to obtain the required form and size and cleaning; and (3). covering with metal; melting metal alloy for covering the marmen, cleaning die mould, placing the treated porous marmen into mould, closing die mould, pouring covering metal alloy into die mould, press-casting so as to obtain the invented product with excellent damping and mechanical properties andsmall density.

The invention particularly discloses a software system based on a GPRS monitoring terminal. The software system is composed of a bottom layer hardware driving program, an embedded operating system and a multi-task application program, wherein the multi-task application program is implemented on the basis of a multi-task design mode; a plurality of tasks comprise a starting task, a Modem serial port receiving task, a GPRS scheduling task, a data analysis conversion task, a GPRS link establishment and maintenance task, a system monitoring alarm task, and an equipment data acquisition, storage and uploading task; a state machine of the GPRS link establishment and maintenance task comprises a state conversion process; a multi-task software watchdog is implemented by implementing the multi-task application program. The software system based on the GPRS monitoring terminal, which is high in reliability, can normally operate in severe application environments such as photovoltaic power stations and wind power plants.

The invention discloses an etching knife die comprising a template and one or more knife arranged on the template, wherein a knife edge is arranged on the knife; the cross section of a blanking hole below the knife is trapezoidal; and the lower-end diameter of the blanking hole is greater than the upper-end diameter of the blanking hole. The invention also discloses a processing method of the etching knife die. The method comprises the steps of cutting to form a vertical blanking hole by utilizing a milling cutter through a CNC (Computer Numerical Control) precision carving machine and carrying out turn-by-turn downward expanding cutting from top to bottom on the inner wall of the straight hole by utilizing a dovetail cutter through the CNC precision carving machine to ensure that the cross section of the inner wall of the blanking hole is of a trapezoid which is small in upper part and big in lower part, wherein the included angles of the side edges and the bottom face of the trapezoid are 78-89 DEG. The etching knife die and the processing method thereof, disclosed by the invention, have the advantages that automatic waste discharge can be realized; the blanking piece is avoided being pulled when passing through the blanking hole to ensure that the blanking is smooth, the knife die is not pressed, the deformation and the breakdown of the etching knife die are not created; therefore, the product accuracy can be increased and the service life of the knife die is prolonged.

The invention discloses a soil-core-wall rock-fill dam with better burst resistance and a construction method thereof. The soil-core-wall rock-fill dam comprises a soil core wall, wherein one side of the upstream of the soil core wall is provided with an upstream rock-fill material area, an upstream transition material area and an upstream refiltering material area which are arranged in sequence along the water-flowing direction; one side of the downstream of the soil core wall is provided with a downstream refiltering material area, a downstream transition material area and a downstream rock-fill material area which are arranged in sequence along the water-flowing direction; and the downstream rock-fill material area is internally provided with a concrete burst-resistant wall. The soil-core-wall rock-fill dam disclosed by the invention has the advantages that since the concrete burst-resistant wall is arranged in the downstream rock-fill material area, the burst resistance of a dam body can be greatly improved, and even though the flood is over the top or the dam top is opened to cause discharge of water in a reservoir due to the external-force factor, the whole burst of the dam also can not be caused due to the existence of the concrete burst-resistant wall. The soil-core-wall rock-fill dam disclosed by the invention is suitable for being promoted and applied in the field of rock-fill dams.

A dual-purpose garbage cleaning machine for a small lawn road surface comprises a frame. A garbage cleaning mechanism is arranged inside the frame, power transmission mechanisms are arranged on two sides outside the frame, height adjusting mechanisms are arranged on two sides inside the frame, the power transmission mechanisms provide power for the garbage cleaning mechanism, the height adjusting mechanisms adjust the height of the garbage cleaning mechanism, universal wheels are fixedly connected at four corners of the bottom of the frame, an armrest is fixedly connected in the rear of the frame, the complete machine is pushed to advance by the aid of manpower, and the whole cleaning process of garbage is finished by the aid of a low-power diesel engine 8. The dual-purpose garbage cleaning machine is high in maneuverability, simple to operate, high in working efficiency and simple in structure and has fine application prospects and popularization values.

The invention relates to the field of charging piles, in particular to a novel energy charging pile with an anti-collision function. The novel energy charging pile comprises a charging pile body, a base and a protection device, wherein the base is further provided with a mounting groove formed in the front face, the charging pile body is fixedly arranged on the base, a telescopic mechanism is further arranged in the mounting groove, a telescopic plate is arranged on the output end of the telescopic mechanism, the telescopic plate is connected with the bottom of the mounting groove in a slidingmode, a horizontal distance adjusting mechanism is further arranged on the telescopic plate, and the output end of the horizontal distance adjusting mechanism is fixedly provided with a fixing rod extending to the side part of the mounting groove, an L-shaped supporting frame is fixedly arranged at the end of the fixing rod, a limiting plate is hinged to the end of the supporting frame, the limiting plate is obliquely arranged upwards, a plurality of reset springs are further arranged on the limiting plate, the other ends of the reset springs are fixedly connected with the supporting frame, the protection device is fixedly arranged on the base, and the device can prevent the charging pile from being collided to damage the charging pile.

The invention relates to an overlapping type transparent bee hive capable of transversely dividing top bee honeycombs. The overlapping type transparent bee hive is characterized in that a plurality of concave holes or through holes are formed in the upper plane of the upper edge, a plurality of downward convex positioning pins are arranged on the lower plane of the lower edge, and one to three inward convex convex-concave rings and a plurality of steel wire holes are arranged on the wall surface; in the overlapping process, the positioning pin on the lower plane of one transparent bee hive is arranged in the concave hole of the upper plane of the other transparent bee hive, and an isolation pad is used when the transparent bee hives without concave holes and positioning pins are overlapped. The overlapping type transparent bee hive has the advantages that bees are fed in the bee hive with a light shade heat insulation outer cover, so that the top bee honeycombs can be transversely divided, and the falling and breaking of the top bee honeycombs is avoided; the overlapping type transparent bee hive is favorable for producing pure natural high-quality bee honey.

The invention provides a refrigerator which comprises storage chambers, a first door body and a second door body which are pivotally arranged on the two horizontal sides of the storage chambers respectively, a vertical beam rotatably mounted at the opening end of the first door body, and a guiding element arranged at the top of the vertical beam in a vertically telescopic manner, and further comprises a front baffle plate, a back baffle plate, a first magnetic part and a second magnetic part, wherein the front baffle plate and the back baffle plate are arranged on the top walls of the storage chambers, and limit a guiding groove of which the gas faces forwards to guide the vertical beam to rotate relative to the first door body; the first magnetic part is fixed to the guiding element; the second magnetic part is fixed below the first magnetic part; and the first magnetic part and the second magnetic part are arranged in a mutual repulsion manner. According to the refrigerator, when the guiding element is positioned in front of the front baffle plate and when the first door body is closed, the guiding element retracts downwards after being in contact with the front baffle plate, and moves upwards to enter the guiding groove under the action of the repulsive force between the first magnetic part and the second magnetic part after crossing the front baffle plate; the first door body can be successfully closed when the vertical beam is in a fully expanded state or a middle state.

The invention particularly discloses a multitask software watchdog acquiring method. A multitask software watchdog is composed of software watchdog subprograms of tasks and a dog feeding subprogram of the multitask software watchdog. The software watchdog subprogram of each task is mainly in charge of initialization of a software watchdog of the task and used for updating a counter of the software watchdog of the task in a major cycle. The dog feeding subprogram of the multitask software watchdog is used for checking whether the software watchdog of each task is over time or not in a system clock period, and a system is reset through a hardware watchdog if only the software watchdog of a certain task is over time. According to the method, the multitask software watchdog is acquired and it is guaranteed that the system can not come to a halt caused by strong external interference.

The invention discloses a detection method for monitoring open-short circuit functional defects of a printed-circuit board step hole. The method comprises the following steps that firstly, according to the depth of a step, a flying-probe testing machine with different needle lifting heights is selected, and a test file is made according to the parameter requirement of the flying-probe testing machine; secondly, a needle type needle head is selected to be fixed to the tail end of a needle bed, and a step testing needle of an integrated structure is made by injection molding of the needle type needle head and the elastic needle bed; thirdly, needle tip correction is conducted on the changed step testing needle by means of a correction plate, so that the front needle tip and the rear needle tip are precisely aligned; fourthly, measuring parameters of a step board are designed, and the design mainly comprises the steps of designing a needle lifting height and detecting the movement speed of the testing needle; fifthly, the flying-probe testing machine is started to detecting open-short circuit functional defects of the printed-circuit board step hole. The detection method for monitoring open-short circuit functional defects of the printed-circuit board step hole has the advantages that the testing needle does not crack up and puncture a testing PAD, the machine is made to achieve automatic and fast mass production, testing efficiency is effectively improved, and the loss of the open-short circuit functional defects of the stepped board is reduced.

The invention relates to a motor controller of a layering multinuclear structure and a control method thereof. The motor controller comprises a power contravariant unit driving a motor to operate, an application interface function module, a motor control function module and a driving function protection module, the application interface function module sends state information of the controller to an external control system, receives control signals and sends control commands to the motor control function module; the motor control function module receives the control commands, detects states of the motor, completes control operation and sends control pulses to the driving function protection module; the driving function protection module receives the control pulses, processes the control pulses and sends the control pulses to the power contravariant unit; and the driving function protection module detects operating states of an inverter and controls the power contravariant unit. The motor controller is divided into three layers of independent systems from inside to outside and from bottom to top, the three layers of independent systems increase a driving layer system, a control layer system and an application layer system, all modules are tightly connected, functions are relatively independent, system breakdown is avoided under extreme cases, reliability is high, and safety is strong.

The invention discloses an environmental pollution monitoring and managing system of a construction site. The environmental pollution monitoring and managing system comprises a field monitoring system and a remote real-time monitoring system. Field pollution monitoring is a core, the field monitoring system comprises a field monitoring platform of the construction site, the field monitoring platform of the construction site comprises a construction environment comprehensive detector and a data host, the remote monitoring system comprises a management platform, a data storage system and an accident handling system, the system is developed by the aid of a multilayer architecture technology on the basis of a .NET technology of the Microsoft, and a multilayer distribution architecture mainly comprises a presentation layer, a logic layer, a data access layer and a data storage layer.

The invention discloses a method and system for realizing browser access to an intelligent key device, and belongs to the communication field. The method comprises the following steps: an extension program receiving the first data from a browser, and sending the first data to a local application program; the local application program analyzing the first data to obtain the communication data, invoking a driver interface of the intelligent key device according to the communication parameter, sending a corresponding instruction to the intelligent key device, and receiving an operation result returned by the intelligent key device; the local application program organizing the second data according to the received operation result, and sending the second data to the extension program; the extension program receiving the second data, and sending the second data to the browser. The method and system disclosed by the invention can replace the communication way of the browser to access the local computer through the NPAPI technology, and have the advantages of being wide in application range, high in security and good in stability.

The present invention discloses a method for disabling a corrupted memory by using the BMC. The method comprises: (1) obtaining a preset initialization flag value pi for the memory on each memory slot i when the BIOS is running until the memory is ready to be initialized after the computer is started; (2) when the initialization flag value pi corresponding to the memory on the memory slot i is 0, determining whether there is a memory error message in the BMC system event log, and if so, executing (3); (3) taking whether the serial number of the memory is changed as the basis, determining whether the corrupted memory is replaced by the user, and if not, executing (4); (4) carrying out the or operation on the initialization flag value corresponding to the corrupted memory and the number i of the memory slot, and taking the result as the updated initialization flag value; (5) creating the UEFI event, so that after the BIOS runs to the BIOS boot interface, a memory corruption message is prompted to the user; and (6) initializing the memory. The present invention also discloses an apparatus for disabling a corrupted memory by using the BMC. According to the method and apparatus disclosed by the present invention, the bad memory can be disabled, and system crash can be prevented.

The invention discloses a system for realizing a PC / SC interface of HID / SCSI equipment and a method thereof, which pertain to the field of communication safety. The method comprises the steps that: a servo program establishes a kernel object and uploads a servo function library, send the kernel object to a PC / SC driver program; the servo program submits the information of the HID / SCSI equipment to a computer equipment management program by the PC / SC driver program; the PC / SC driver program sends a received instruction for accessing the HID / SCSI equipment to the servo program by the kernel object; the servo program receives the instruction for accessing and obtains the code information of an instruction for calling the HID / SCSI interface from the servo function library; by the PC / SC driver program and the servo program, an application program accesses the HID / SCSI equipment through the PC / SC interface. As carrying out operation in an application layer of a system, the servo program has simple writing, modification and maintenance, and can not cause the whole system to crash when mistakes are made during operation process; when the support of new HID / SCSI equipment is required, replacing the servo program is only required to realize compatibility of the new equipment, thus enhancing the flexibility and expansibility of the system.