451results about How to "Improve stability and reliability" patented technology

The present invention discloses a blade server management system comprising a plurality of management subsystems provided on each blade in a blade server and connected to each other via a local area network, each of which implements remote control and self-management for the corresponding blade, and said management subsystems including at least one master management subsystem for monitoring the operation parameters of the blade server through a monitoring subsystem; a communication subsystem provided on a backboard for connecting a external network and said local area network made up of said management subsystems; and a monitoring subsystem provided on the backboard and connected to said management subsystems for monitoring the operation parameters of the blade server based on a command from the master management subsystem. The blade server management system of the present invention has high system reliability and stability as well as a simple routing design while reducing the complexity of system design.

The invention discloses a lithium ion battery cell packet preparation method, including the following steps: pole piece material is made into negative pole pieces, and the negative pole pieces are transmitted to a negative pole sorting machine; qualified negative pole pieces are selected from the negative pole pieces and transmitted to a lamination stacking machine; the pole piece material is made into positive poles pieces, and the positive pole pieces are transmitted to a positive pole sorting machine; qualified positive pole pieces are selected from the positive pole pieces and transmitted to a positive pole bag machine; the qualified positive pole pieces are made into positive pole bags, and the positive pole bags are transmitted to the lamination stacking machine; lamination stacking is carried out on the positive pole bags and the qualified negative pole pieces by the lamination stacking machine, thus obtaining the cell packet. The invention also discloses a lithium ion battery cell packet preparation system. The invention comprises a negative pole processing machine, a split pole sorting machine, a lamination stacking machine, a positive pole bag machine, a positive pole sorting machine and a positive pole processing machine which are arranged in sequence, transmission equipment is arranged between each two equipment, thus cell packet can be prepared without manual operation and reliability and stability of the cell packet are improved.

The disclosed loading balance method comprises: the access network node determines the selection of UE CN-node; in the selection range, selects one of current loading parameter, and transmits the UE access signaling. This invention balances loading among all CN nodes efficiently, and improves system stability and reliability.

A battery pack adapted to automatically intercept a charge and discharge path when the temperature of a battery increases to no less than a reference temperature during a charging and/or discharging of the battery to improve stability and reliability. The battery pack includes at least one rechargeable battery; at least one posistor located on one side of the battery and connected to the battery in parallel at substantially a same time and having a resistance value which increases when the temperature of the battery increases; a first switch having one end connected to the posistor and configured to be applied with a driving voltage when the resistance value of the posistor increases; and a second switch connected to a charge and discharge path of the battery and connected to the first switch at substantially a same time to intercept the charge and discharge path when the first switch operates.

The present invention concerns a receiver circuit including an input terminal through which an input signal is received, said receiver circuit further including:

• • a first amplifier stage connected via its input to the input terminal of said receiver circuit;
  • an envelope detector stage for detecting the incoming signal maxima to recover the signal envelope, said detector stage being connected to the output of the first stage.

The invention provides an independent unmanned aerial vehicle landing method based on a two-dimensional code and inertial navigation assistance. An unmanned aerial vehicle, an onboard camera, an onboard computer, a GNSS positioning device, an inertial measurement component and a two-dimensional code with authorization information are arranged. The unmanned aerial vehicle flies near a landing pointby GNSS/INS combined navigation; with an image identification two-dimensional code collected by the camera, the authorization information is read when the image identification two-dimensional code matches a two-dimensional code information database successfully; the unmanned aerial vehicle determines the location of the center point of the two-dimensional code under the coordinate system of the unmanned aerial vehicle and an attitude of the unmanned aerial vehicle under a two-dimensional code local coordinate system by means of visual and inertial combined navigation; and the attitude of theunmanned aerial vehicle is adjusted and automatic landing is carried out by controlling offsets of the landing point and the landing attitude. Compared with the prior art, the method has the followingadvantages: the operation becomes easy; deployment costs are low; the environmental interference is eliminated; the stability and safety are high; and the method is suitable for various fields of logistics freight transportation and disaster relief and the like and is easy to promote.

The present invention discloses a method comprising a first step of the client transmitting a bandwidth test request signal to the server; a second step of the server transmitting a test request approval signal to the client; a third step of the client conducting a bandwidth test for respective lines; a fourth step of the client transmitting results of the bandwidth test to the server; fifth step of the server setting first traffic distribution weights; a sixth step of the client setting second traffic distribution weights; a seventh step of the server distributing data to respective lines depending on the first traffic distribution weights and transmitting the distributed data to the client and the client distributing data to respective lines depending on the second traffic distribution weights and transmitting the distributed data to the server.

The distributed network plug-and-play detecting and monitoring system includes a, industrial bus network, supervisory computer, and some nodes. It can dynamic find out the accessing or removing of node for real-time monitor. Wherein, the computer and node all has self CPU module and network interface module, the latter can access different detection module according to task. It uses XML format to exchange data between computer and node. This invention improves system extensibility, and saves assembly and maintenance cost.

The invention relates to an electronic smoking device and a temperature control method thereof. The electronic smoking device comprises a hollow holding end and a metal heating element connected with one end of the holding end. A control device is arranged in a cavity of the holding end, and the control device adjusts the temperature of the heating element by acquiring the real-time resistance value of the heating element. A battery is further arranged in the cavity of the holding end. The control device comprises a power driving unit, an analog-digital conversion unit, a control unit and a real-time resistance detection unit, wherein the real-time resistance detection unit is used for detecting the real-time resistance of the heating element, and the control unit adjusts the output power of the power driving unit according to the real-time resistance value of the heating element. The electronic smoking device with the structure has the advantages that temperature can be controlled precisely, cleaning is easy, and using is convenient.

The invention is applicable to the technical field of video communications, and provides a method and system for accessing a video conference through network live broadcast. A video conference systemcomprises a user agent server, a live broadcast server, a video conference server, a Web page, a background server, a small file server and a media server. The method for accessing the video conference comprises the following steps: enabling the user agent server to be connected to the live broadcast server to acquire information of a live broadcast room; and respectively enabling the small file server and the media server to receive an instruction sent by the live broadcast server and log in to the video conference server to obtain conference contents, thereby enabling a Web user to directlyacquire the relevant conference contents from the user agent server. The separation of services and data is achieved through the cooperation of the servers, thereby improving the stability and reliability of the system. The method and the system for accessing the video conference through network live broadcast provided by the invention can enable the user to quickly access the video conference through the web page and acquire comprehensive conference information at the same time.

The invention discloses a three-electrode soft package battery and a preparation method thereof. The three-electrode soft package battery comprises a laminated battery packaged between an upper aluminum-plastic film and a lower aluminum-plastic film, wherein the laminated battery comprises a positive coated pole piece, two diaphragm layers and a negative coated pole piece; the positive coated pole piece is welded with a positive aluminum tab through a current collector; the negative coated pole piece is welded with a negative nickel tab through the current collector; a copper net is arranged between the two diaphragm layers; a lithium sheet metal covers the surface of one end of the copper net; the other end of the copper net extends out of the diaphragms and is connected with an auxiliary aluminum tab. According to a reference electrode preparation method adopted in the invention, lithium can be directly introduced into the battery, a general lithium plating process is omitted, the operation is easy, and the battery can be applicable to the reference electrode preparation process of various total batteries.

The invention provides a high-frequency micro-vibration isolation device of a spacecraft control moment gyroscope. The high-frequency micro-vibration isolation device is of a central symmetry structure and comprises an installation plate (1), a bottom plate (3) and vibration isolation units arranged between the installation plate (1) and the bottom plate (3). Each vibration isolation unit comprises a radial damping unit (4), an axial damping unit (5) and an elastic supporting unit (6). According to the novel micro-vibration isolation device, vibration isolation performance is good at CMG work rotation speed, six-degree-of-freedom micro vibration transferred to a star body can be effectively reduced, and posture stability and pointing accuracy of the star body can be improved.

The invention discloses a low false alarm and low false dismissal burst signal capturing method, relating to the capture of burst signals in the satellite burst communication field. The low false alarm and low false dismissal burst signal capturing method comprises the following steps: adopting a leader sequence of a burst signal of a satellite burst communication system and unique words in MF-TDMA communication and realizing the false alarm and low false dismissal capture of the burst signal through detection of the leader sequence of the burst signal, timing recovery, carrier recovery and unique word detection. The low false alarm and low false dismissal burst signal capturing method still has the advantages of enhancing the stability of the MF-TDMA satellite communication system, reducing the working signal-to-noise threshold of the MF-TDMA satellite communication system and the like, and is especially suitable for capturing burst signals of the MF-TDMA satellite communication system.

The invention discloses a path control method for a hierarchical and sequential address packet network (HSAPN) and a system thereof. The system comprises a path control request unit for determining tunnel parameters and sending the parameters to a path control unit, as well as triggering a boundary entity to initiation tunnel setup operation according to the path calculated by the path control unit; and a path control unit for acquiring the tunnel parameters and calculating a path according to the tunnel parameters. The method and the system improve the reliability and the stability of the tunnel setup.

The invention discloses a high-accuracy detection method of real-time temperature data fusion of multiple sensors, which comprises the following steps of: step 1, remissness error removal based on relativity function sequence: (1) acquiring temperature data, (2) judging whether the number of acquisition times is larger than or equal to a set value C1 or not, if NO, continuing to acquire the temperature data, if YES, judging whether the number of the acquisition times is larger than the set value C1 or not, if NO, computing the variance and the mean value initial value of sensors, if YES, computing the variance and the mean value of the sensors in a recurrent way, (3) computing the fusion degree of the sensors, (4) computing the support degree of the sensors, and (5) selecting valid sensors, and deleting the temperature data obtained from invalid sensors; step 2, orthogonal neural network based temperature information fusion of the multiple sensors: (1) neural network training and weight vector recurrence, (2) computing neural network output, and (3) computing a temperature fusion value of the multiple sensors; and step 3, correcting variance and mean value of the invalid sensors. By the method, not only can the temperature detection accuracy and credibility be improved, related systems can be conveniently processed in real time. The method has the advantages that the stability is good, the compute is simple, the implementation is easy, and the like.

The invention discloses a high-voltage wire magnetic field induction energy taking device for high-voltage transmission line online monitoring. The device comprises a coil (1), a rectification circuit (2), a switching circuit (3), a control circuit (4) and an energy storage circuit (5), wherein the coil is sleeved on a high-voltage wire; alternating current is induced from the high-voltage wire and is fed to the rectification circuit by utilizing the electromagnetic induction principle, the alternating current is converted into direct current through the rectification circuit and charges the energy storage circuit, and the switching circuit (3) is connected in parallel at the output end of the rectification circuit (2); and the control circuit detects output voltage of the energy storage circuit, so that the on/off of the switching circuit is controlled, and the energy storage circuit outputs voltage and current. The application range of the energy taking device is reduced, and the power loss of the switching circuit is reduced; because the switching circuit is positioned in a switch-on state for a long time in actual use, and the magnetic induction intensity in a magnetic core of the coil is low, the power loss of the magnetic core is reduced; and because the whole power loss of the energy taking device is reduced, the service life of the device is prolonged, and the stability and the reliability of the device are greatly improved.

The invention discloses a micro-grid system of a grid-connected island power grid. The system comprises an energy storage system, a power distribution network load system, a diesel power generating system, a wind driven generator system, an optical fiber communication network, and a micro-grid energy coordinated optimization and control system. The energy storage system accesses an AC bus of an island power grid through a boosting transformer. The power distribution network load system makes user load ends connected with a power distribution network load transformer through fast solid-state switches. The diesel power generating system is used as a main power supply when the micro-grid system is in isolated island operation. The wind driven generator system comprises an asynchronous wind generating set. The stator output sides of the asynchronous wind generating set are connected in series with back-to-back converters. The output of the back-to-back converters is transmitted to the AC bus of the island power grid through boosting. In the island power grid, optical fibers are set up along a power transmission and distribution line, and optical fiber communication transmitter-receiver devices are installed on power supply points, load points, and control terminals, so as to form the optical fiber communication network of the island power grid. The micro-grid energy coordinated optimization and control system collects island power grid operation data in real time through the optical fiber communication network, and releases control instructions.

The invention relates to an accelerator pedal device which is applied in controlling the accelerator level of automobiles. A plurality of installation axle holes are opened on a base, an accelerator pedal is arranged on the base, side board jacks are arranged at both sides of the base for inserting installation side boards and leading the accelerator pedal to be hinged on the base, a rebound device of the accelerator pedal is arranged between the accelerator pedal and the base, and the front end of the accelerator pedal extends into the upside of a rib in the top of the base and is limited by the upside of the block edge; furthermore, a sensing hole is opened in the front end of the accelerator pedal, a deflector rod is arranged inside the sensing hole, a nick that is convenient for the deflector rod to extend out is arranged at one side of the base in which the sensing hole is opened, a throttle position sensor is arranged on the nick position of the base, the deflector rod is connected with a sensing part of the throttle position sensor, and a broken breach is opened on the accelerator pedal. The invention has the function of protecting an engine, the installation side boards can be reused, and the invention has high reliability and stability when in installation and use.

The invention discloses a volume variable rotation compressor. The compressor comprises an outer shell, a motor and a cylinder component, the motor and the cylinder component are arranged in the outer shell; wherein the motor and the cylinder component are connected through a crank shaft, the tail part of a first slip sheet is provided with an elastic part; the tail part of a second slip sheet is not provided with an elastic part; a groove is arranged on the second slip sheet, a position where is opposite to the second slip sheet on a second flange, or a position where is opposite to the second slip sheet on a middle division plate; a tunnel which is used for communicating the groove is arranged on the cylinder component; the volume variable rotation compressor also comprises a gas switching device, which switches the pressure of the groove between a high-pressure side pressure and a low-pressure side pressure. Through controlling the pressure differential to control the movement of slip sheet, reliable switch between single cylinder operation and double-cylinder operation can be achieved, and thus leakage is effectively prevented; when the slip sheet stays still, the inner cylinder and the tail part of the slip sheet groove are both in a high-pressure state so as to avoid the phenomenon of gas mixing caused by pressure difference.

The invention relates to the technical field of electromobiles, in particular to a collision power-off protection system of an electromobile. The system comprises a battery management unit, a power battery pack, a finished automobile control unit, an airbag controller, an automobile body collision sensor and an automobile body controller, wherein the battery management unit, the finished automobile control unit, the airbag controller and the automobile body controller are connected via a CAN (Controller Area Network) bus; the airbag controller is further connected with the battery management unit and the automobile body controller via wires; the airbag controller is connected with the automobile body collision sensor via a wire; and the battery management unit is connected with the power battery pack via a wire. The battery management unit, the finished automobile control unit and the automobile body controller of the system can simultaneously receive three types of signals emitted by an airbag, i.e., a CAN signal, a wire current signal and a radio signal. When any signal is received, the control units related to collision can implement passive safety protection measures of a vehicle, and the collision power-off reliability and stability are improved.

An embodiment of the invention provides a software system repair processing method and a software system repair processing device. The software system repair processing method includes: acquiring historical running status information of a software system when the software is restarted from breakdown; adopting a processing mode corresponding to the historical running status information to repair the software system. According to the technical scheme, the historical running status information of the software system is acquired when the software system is restarted from breakdown and the processing mode corresponding to the historical running status information is adopted to repair the software system, breakdown reasons of the software system can be avoided from being misjudged, and reliability and stability of repair processing during breakdown of the software system can be improved.

The invention discloses an attachable type electrocardiogram and impedance cardiogram integration monitoring sensor which comprises a first electrocardiogram detecting electrode, a second electrocardiogram detecting electrode, a first impedance cardiogram exciting electrode, a second impedance cardiogram exciting electrode, a first impedance cardiogram detecting electrode, a second impedance cardiogram detecting electrode, a thin film rechargeable battery, a signal storage unit and a wireless charging inductor which are connected with an electrocardiogram and impedance cardiogram signal detecting control circuit through interconnection leading wires. The electrocardiogram and impedance cardiogram signal detecting control circuit detects and processes electrocardiogram and impedance cardiogram signals, and local storage and external transmission are carried out. The novel sensor can be attached near the heart of a human body like a band-aid, meanwhile, electrocardiogram and impedance cardiogram continuous real-time monitoring is carried out, size is small, multiple functions are achieved, wireless charging and wireless data transmission can be carried out, the constraint of a traditional electrocardiogram and impedance cardiogram leading connecting line is avoided, wearing type monitoring is convenient, an integrated active dry electrode is used for monitoring, and the electrocardiogram and impedance cardiogram monitoring comfort degree is greatly improved.

The invention relates to a sampling point differential protection misoperation prevention method, belonging to the technical field of relay protection of power systems. The method comprises the following steps of: firstly, performing difference calculation to differential current and brake current sampling points, and judging whether the differenced differential current and brake current sampling values meet a rate brake condition, wherein influence of unsaturated CT attenuation direct current component on the synthesized differential current may be weakened through a difference algorithm; and judging whether a criterion for opening sampling point differential protection is satisfied according to ratio of the sampling values of the differenced differential current and brake current. The method solves a problem of misoperation of sampling point differential protection caused by too fast attenuation of the direct component when external fault single CT is saturated and unsaturated CT current contains large direct current component and flows through a low current converter of a protection device. Meanwhile, by the method, sampling point differential protection causes no misoperation when waveform is abnormal, and causes reliable operation when normal failure happens, thus, reliability of sampling point differential protection is improved.

A nitride-based semiconductor laser device includes a facet coating film including an alteration preventing layer formed on a light reflecting side facet of a nitride-based semiconductor element layer and a reflectance control layer formed on the alteration preventing layer. The reflectance control layer is formed by a high refractive index layer and a low refractive index layer which are alternately stacked, the alteration preventing layer is constituted by stacking at least two layers, each of which is formed by a dielectric layer made of a nitride, an oxide or an oxynitride. The alteration preventing layer has a first layer made of a nitride in contact with the light reflecting side facet, and a thickness of each of the layers constituting the alteration preventing layer is smaller than that of the high refractive index layer and is smaller than that of the low refractive index layer.

A vehicle power control that includes a throttle mounting portion and a throttle that is movably mounted to the throttle mounting portion and configured for manipulation and operation by a rider. The power control also includes a sensor in contactless association with at least one of the throttle and throttle mounting portion. The sensor is configured for sensing a position of the throttle with respect to the mounting portion, in the contactless association, and generating a signal based on the sensed position for controlling motive power of a vehicle.

The invention relates to a method and a system for the data writing of flash memory storage equipment. The method comprises the following steps: receiving a data writing operation command sent for the flash memory storage equipment, wherein the data writing operation command comprises data to be written and a logical address of the data to be written; storing the data to be written in one or more data buffer areas according to the data writing operation command; writing the data in the buffer areas into a storage unit, which is directed by the logical address, of the flash memory storage equipment; carrying out ECC (Error Correcting Code) check on the data which are written through the data buffer areas; rewriting the data of the data buffer areas when the number of error bytes checked exceeds an ECC threshold, and carrying out ECC check on the rewritten data until the number of the error bytes checked does not exceed the ECC threshold. Through repeatedly checking the data written in the storage unit until the data written in the storage unit are correct, the accuracy of data access is guaranteed, and the stability and reliability of data writing are improved.

Providing resiliency to a multimedia application. A list of filters associated with the multimedia application is identified. It is determined if one or more filters of the identified list of filters are suitable for the multimedia application. The one or more filters are disabled if the one or more filters are determined to be unsuitable for the multimedia application. The one or more filters of the list of filters may also be presented to a user of the multimedia application as a function of suitability of each of the list of filters for the multimedia application. The user is allowed to manage the presented one or more filters.

The invention relates to a magnetic bead separation device with an adjustable magnetic flux. The magnetic bead separation device comprises a micropore plate, a micropore plate support, a base and a magnetic rod, wherein the micropore plate is placed on the micropore plate support, and the micropore plate support is placed on the base. The magnetic bead separation device also comprises a floating support, a lifting actuating unit and an electric control module, wherein the magnetic rod is adsorbed on the floating support by virtue of magnetism; and the floating support is connected with the electric control module by virtue of the lifting power mechanism, and under the control of the electric control module, the lifting power mechanism drives the floating support to realize upward and downward movements of the magnetic rod. By adopting the magnetic bead separation device disclosed by the invention, the lifting power mechanism is controlled by the electric control module to drive the magnetic rod to move up and down, thereby realizing magnetic liquid separation, avoiding a plurality of times of miscellaneous operation of a mechanical arm, improving the stability and reliability of a system, and improving the working efficiency of an automatic work station.

The system comprises: a management platform and multi terminals connected to the management platform through network; said management platform respectively sends the serial numbers of the multi terminals and IP address to each terminal; when said terminal initiates a call, according to the serial numbers of the called terminal, searching the IP address of the called terminal; with the IP address of called terminal, initiating a call to the called terminal. In the invention, the digital intercommunication system don't need to modify the addressing scheme aiming at each cell, and the management platform makes relevant setting in the static address book and translates it into the corresponding IP address to initiate a call before calling.

The invention discloses a measuring and controlling system for a single-cylinder engine testboard, which comprises an upper computer, an intelligent instrument, a PLC (programmable logic controller), a plurality of sensors and a first electric actuator, wherein the upper computer is respectively connected with the intelligent instrument and the PLC; the upper computer sets a stable judgment interval for the operational parameters of an engine and sets an alarming threshold value, and downloads online to the intelligent instrument; the intelligent instrument is respectively connected with the sensors and the first electric actuator, so as to obtain operational parameters of the engine at a monitoring point during the running process of a single cylinder engine; further the working state of the first electric actuator is adjusted, and an auxiliary system is controlled; the intelligent instrument is further connected with the PLC and used for conveying warning signals to the PLC; and the PLC gives an alarm for prompting according to the warning signals. In the invention, through the application of the intelligent instrument, discrepancies caused by multitasking and processing speed of the upper computer can be overcome, task dispersion is achieved, and the reliability and the stability of the overall system are improved.