45results about How to "Small current" patented technology

This application provides a perovskite light-emitting module and its fabrication method, belonging to the field of semiconductor optoelectronic device manufacturing technology. The perovskite light-emitting module includes: a substrate, and multiple perovskite light-emitting units located on the substrate; wherein, along the direction away from the substrate, each perovskite light-emitting unit sequentially includes an anode, a hole transport layer, a perovskite layer, an electron transport layer, and a cathode; the multiple perovskite light-emitting units are arranged in series, and in two adjacent perovskite light-emitting units, the cathode of the preceding perovskite light-emitting unit is electrically connected in series with the anode of the following perovskite light-emitting unit.

The utility model discloses a hoist electromagnet of permanent magnet and electromagnetic combination, including excitation coil, magnetic pole one, magnetic pole two, iron core and non -magnetic protection board, its characterized in that still is equipped with permanent magnet block group, the permanent magnet block group horizontal setting is between magnetic pole one and magnetic pole two, and is located the top of non -magnetic protection board. The utility model discloses hoist electromagnet increased permanent magnet block group, through the common effect of permanent magnet magnetic potential and electromagnetic magnetic potential and suck up the attracted object, can reduce excitation coil current when hoisting and transporting material, reduce the energy consumption that excitation coil generates, strengthen the magnetic force intensity regulation simultaneously, realize the various operations of attracting material and discharging.

The utility model relates to a TTL and RS232 intelligent automatic switching circuit comprising a change-over switch, a first movable contact of which is used for connecting a sending pin of a communication interface, a second movable contact of which is used for connecting a receiving pin of the communication interface, and a first static contact and a second static contact of which are respectively connected to a receiving end and a sending end of a TTL signal transmit-receive circuit, the third static contact and the fourth static contact are respectively connected to the receiving end and the transmitting end of the RS232 signal transceiving circuit; the control switch is connected in series between the coil of the change-over switch and the voltage source, and the controlled end of the control switch is connected to the output end of the signal acquisition circuit for controlling the action of the change-over switch; and the input end of the signal acquisition circuit is used for being connected with a sending pin of the communication interface and is used for continuously outputting a high-level signal to the controlled end of the control switch when receiving a level signal smaller than a preset voltage so as to control the control switch to be in a turn-off state. The circuit provided by the utility model can avoid the problem that the plug of the communication interface is plugged in a wrong position in the production link of electronic equipment.

The application provides a display panel and a display device; the display panel comprises a test terminal, a first electric connecting piece, a switching part and a second electric connecting piece; the first electric connecting piece comprises electrically connected first and second transmission parts; one end of the second transmission part away from the first transmission part is electrically connected with the test terminal; the switching part is electrically connected with one end of the first transmission part away from the second transmission part; the second electric connecting piece is electrically connected with one end of the switching part away from the first electric connecting piece; the second electric connecting piece and the first electric connecting piece are arranged in different layers; the surface impedance of the first transmission part is greater than that of the second transmission part, which is equivalent to increasing the impedance of the first transmission part, reducing the current when transmitted to the position of the via hole, and avoiding the technical problem of wire breakage caused by explosion of the wires in the switching area.

The application provides a thyristor-based multi-port hybrid DC circuit breaker and a control method, comprising: a plurality of main branches and a shared branch; all the main branches are connected to the shared branch; the shared branch comprises a first thyristor branch, a power supply side circuit breaker unit and a fault side circuit breaker unit, the thyristor branch is used for bearing fault current in the process of breaking of a fast mechanical switch in the main branch; the fault side circuit breaker unit is composed of a first capacitor, a first discharge resistor and a first lightning arrester element in parallel connection; the power supply side circuit breaker unit is composed of a second thyristor branch, a current limiting resistor, a second capacitor, a second discharge resistor and a second lightning arrester, wherein the second capacitor, the second discharge resistor and the second lightning arrester are connected in parallel to form a second branch, the thyristor branch and the current limiting resistor are connected in series to form a first branch, and the first branch is connected in series to the second branch.

The invention relates to an LCC-MMC extra-high-voltage direct-current transmission line fault restarting method and an extra-high-voltage direct-current transmission system, and belongs to the technical field of extra-high-voltage direct-current transmission. When a line fault is detected, the LCC converter station controls the fault current to a direct current reference value; the MMC converter station controls the sub-module voltage to a rated value, the outer loop control output is switched to the sub-module voltage controller output, the direct current bias part of the direct current voltage reference value is switched to the direct current controller output, and the direct current reference value is the direct current reference value; after the deionization time is over, the DC bias part of the MMC converter station rises to a reference value, and the constant current control is quitted at the same time; when the current converter port voltage is detected to be greater than the starting value, the sub-module voltage control is quitted, and the outer loop control output is switched to the direct current voltage controller output; and the LCC converter keeps a current control mode, and when the DC voltage is detected to be greater than a completion value, the LCC converter station switches the current reference value to a real-time current reference value, and the line fault restart is completed.

The application discloses the technical field of biological medicine and blood products and relates to a high-efficiency blood product production device and process, which comprises a shell, a first electromagnet fixedly connected to the inner top wall of the shell, a second electromagnet fixedly connected to the inner bottom wall of the shell, a magnet ring in sliding fit with the inner side wall of the shell, a filter plate fixedly connected to the inner side wall of the magnet ring, the filter plate dividing the shell into an upper chamber and a lower chamber, a plurality of filter holes being formed in the filter plate, a plurality of upper pipes fixedly connected to the top wall of the filter plate, a plurality of lower pipes fixedly connected to the bottom wall of the filter plate, the upper pipes and the lower pipes being in communication with the filter holes, a feeding port being formed in the top wall of the upper chamber, a first discharging port being formed in the bottom wall of the lower chamber, a collecting assembly being in communication with the first discharging port and used for sucking the blood plasma in the shell, and a second discharging port being formed in the side wall of the upper chamber.

A multi-layer U-shaped permanent magnet auxiliary synchronous reluctance outer rotor relates to the technical field of motors, and comprises an annular rotor core, a plurality of permanent magnet units are arranged in the rotor core, the permanent magnet units are symmetrically arranged around a rotating shaft of the rotor core, each permanent magnet unit is sequentially provided with two U-shaped permanent magnet groove groups from inside to outside along a d axis, each U-shaped permanent magnet groove group is composed of two side permanent magnet grooves and a middle permanent magnet groove, linear magnetic steel is arranged in the middle permanent magnet groove of the outer U-shaped permanent magnet groove group, and linear magnetic steel is arranged in the side permanent magnet grooves of the inner U-shaped permanent magnet groove group. The rotor provided by the invention is good in flux weakening speed expansion capability.

The present disclosure relates to a battery power supply regulating circuit, a regulating method, a charging line and a terminal device. The charging circuit is used for charging a double-core battery, and the circuit comprises a Buck step-down circuit module, a first charge pump circuit module, a second charge pump circuit module, a battery charging and discharging control module and a system power supply module; the input end of the Buck step-down circuit module and the input end of the first charge pump circuit module are respectively connected with an AC / DC adapter; the first output end of the Buck step-down circuit module is connected with the second charge pump circuit module; the second output end of the Buck step-down circuit module is connected with the system power supply module; the battery charging and discharging control module is connected with the controlled end of the Buck step-down circuit module, the controlled end of the first charge pump circuit module, the controlled end of the second charge pump circuit module and the double-core battery; the first charge pump circuit module and the second charge pump circuit module are respectively connected with the double-core battery; and the second charge pump circuit module is further connected with the system power supply module.

The application provides a folded cascode amplifier, an integrated circuit, a chip and an electronic device. The folded cascode amplifier comprises a bias circuit configured to provide a bias current according to a bias voltage, a first input differential unit and a second input differential unit arranged symmetrically, a folded cascode unit, and a fifth group of current mirrors connected to the folded cascode unit. The folded cascode unit comprises a first group of cascode tubes and a second group of cascode tubes, and a first group of current mirrors to a fourth group of current mirrors. The first group of cascode tubes comprises a first output transistor and a first load current tube connected in series, the second group of cascode tubes comprises a second output transistor and a second load current tube connected in series, and the first group of current mirrors multiplexes the first load current tube, and the fourth group of current mirrors multiplexes the second load current tube. The folded cascode amplifier improves the transconductance, the slew rate, the conversion rate and the gain-bandwidth product through the proportional cooperation of the several groups of current mirrors.

The LED lamp string comprises a plug, a power module, a tail plug and a plurality of LED supports which are connected in series, the plug is connected with the input end of the power module, and the output end of the power module is connected with an anode connecting line, a cathode connecting line and a lamp bead connecting line to form a three-wire side-by-side structure. The LED support is provided with four bonding pads, the LED chip is connected between the upper bonding pad and the lower bonding pad and connected with an external power source through the lamp bead connecting line, and the left side and the right side of the LED chip are connected with the positive electrode connecting line and the negative electrode connecting line respectively. The positive and negative pole input ends of the tail plug are connected with the positive pole connecting line, the lamp bead connecting line and the negative pole connecting line correspondingly, and continuous series connection of the multiple LED lamp strings is achieved. Compared with a traditional low-voltage parallel lamp string, the high-voltage direct-current power supply mode has the advantages of being low in cost, high in efficiency, long in series connection length, convenient and fast to install and the like, and is suitable for large-scale decorative lighting scenes.

This application relates to a motor drive circuit and an air conditioning device. The motor drive circuit includes: when the air conditioner is off or powered off, a current discharge circuit connects a consumable component to the bus in parallel with the bus capacitor. Since the resistance of the consumable component is less than the capacitive reactance of the bus capacitor, most of the current corresponding to the back electromotive force fed back by the inverter will flow through the cement resistor for consumption, while the current flowing into the bus capacitor is greatly reduced. This avoids the bus capacitor receiving a large amount of current in a short period of time, which would cause the bus voltage to rise rapidly. Therefore, the motor drive circuit based on the above structure can solve the problem of bus voltage back surge caused by the air conditioner being off or powered off.

The utility model discloses a pin puller control circuit, which comprises an RC charging circuit, an MOS tube conduction circuit and a voltage stabilizing circuit, and is characterized in that the RC charging circuit comprises divider resistors R1 and R2, a dissipation resistor R4 and a capacitor C1; the other end of the resistor R1 is connected with an RC + charging output end; the MOS tube conduction circuit comprises a resistor R3, an MOS tube Q1 and a pin puller coil L1, one end of the resistor R3 is connected with the RC + charging output end, the other end of the resistor R3 is connected with a G pole of the MOS tube Q1, a D pole of the MOS tube Q1 is connected with one end of the pin puller coil L1, and the other end of the pin puller coil L1 is grounded. After the pin is pulled in place, the current is small during the holding period, the pull-in state can be kept, the coil is prevented from being excessively heated, the problem of long-time holding is solved, and the energy consumption of the battery is also reduced.

The invention provides a three-phase steam turbine generator stator double-outgoing-line structure and steam turbine generator equipment, and relates to the technical field of steam turbine generators, and the structure comprises a stator, a first winding arranged on the stator, and an excitation end and a steam end located at two opposite ends of the stator. The first winding comprises a first sub-winding and a second sub-winding. The first sub-winding and the second sub-winding each comprise a plurality of first coils which are sequentially connected end to end. The first sub-winding is led out through the excitation end, the second sub-winding is led out through the steam end, and the electric signal transmission direction of the first coil in the first sub-winding is the same as the electric signal transmission direction of the first coil in the second sub-winding. Therefore, the double-outgoing-line structure is a double-end outgoing-line structure with outgoing lines at the excitation end and the steam end, the current of the stator is led out through the excitation end and the steam end, the current of each outgoing-line end can be greatly reduced, the electrodynamic force of the generator is effectively reduced, the leakage magnetic field and the electrical loss are reduced, and a series of problems caused by large current of the stator can be eliminated.

The application discloses a dynamic random storage array and a control method thereof, and belongs to the technical field of microelectronics and integrated circuits, and comprises a plurality of storage units, each of which comprises a first transistor, a second transistor, a word line, a bit line and a ground wire, wherein the gate of the first transistor is connected with the word line, the source / drain electrode of the first transistor is connected with the bit line, the gate of the second transistor is connected with the drain / source electrode of the first transistor, the gate of the second transistor serves as a storage node and stores charge information, the source / drain electrode of the second transistor and the source / drain electrode of the first transistor are connected with the same bit line, the drain / source electrode of the second transistor is connected with the ground wire, and the word line and the bit line are used for controlling the writing and reading of data of the storage node, wherein the second transistor is a depletion transistor. According to the application, the depletion transistor is in an on state when the gate voltage is zero, so that the current in the bit line is small when data is written, and the power consumption of the writing operation is reduced.

The utility model relates to a fire extinguishing system and device with low power consumption of a bus, which utilize the unilateral conductivity of a diode, the diode is not conducted without forward voltage difference during standby, and current can pass through normally after voltage difference conduction is generated during short circuit of the bus, so as to control the closing and opening of an isolation relay and carry out isolation protection on an extension module circuit. Circuit devices are few and can be easily added to an extension module circuit, additional isolation modules are not needed, each module can independently achieve isolation protection, on-site construction is more convenient, and the total cost is lower. Aiming at the characteristics of large action current and small holding current of the relay, the capacitor is used for storing energy to maintain standby high voltage so as to instantly provide large current for the relay to maintain the switch of the relay in an off state, the large resistor is used for providing small current to maintain the switch to be off, and the large resistor can also prevent the energy storage capacitor from attenuating alternating current signals on a bus. The power supply current at the moment of relay action is large, the power consumption current during maintenance is small, and the influence on bus alternating current signals is small.

The utility model discloses a graphite heater for directional growth of gemstone, which is characterized in that middle grooves with the same size are additionally arranged between an upper groove and a lower groove in the circumferential direction of a graphite heater body, the middle grooves are positioned at the lower part of the body, and the resistance at the lower part of the body can be increased by arranging the middle grooves; meanwhile, due to the fact that the middle groove is formed in the lower portion of the body, the heating area of the lower portion of the body is smaller than the heating area of the upper portion of the body, a certain temperature difference exists between the heat of the lower portion of the body and the heat of the upper portion of the body, and the temperature below the body is low. And the liquid forms turbulent flow in the crucible, and the flow speed is slowed down to reduce the loss of heat at the lower part of the crucible, so that heat compensation is performed on a heat loss area at the bottom of the crucible, the temperature difference between the upper end and the lower end of the crucible is reduced, and the whole temperature field environment is kept stable.

This application relates to the field of linear voltage regulator circuit technology, and discloses a linear voltage regulator circuit applied to a multi-power-domain system, where the multi-power-domain system includes N power supplies, where N is an integer greater than 1. The linear voltage regulator circuit includes: N parallel power transistor branches, each power transistor branch including a transmission gate and a power transistor connected in series, and the source of each power transistor being connected to a power supply; a control circuit including N control signal output terminals, each control signal output terminal being connected to the control terminal of a transmission gate; the N control signal output terminals output control signals for selecting power transistors; wherein, the transmission gates of the N power transistor branches receive the control signals output by the control circuit and turn on the selected power transistors according to the control signals. The linear voltage regulator circuit provided in this disclosure can prevent the current generated in the power transistor from flowing through the control circuit, thereby reducing the voltage difference between the input and output terminals of the control circuit. This application also discloses a power supply device.

The utility model discloses a low-back-clearance Y-shaped rotary clamping module. The low-back-clearance Y-shaped rotary clamping module comprises a box body, a Y-shaped clamping jaw mechanism, a linear motion transmission assembly, a rotary motion transmission assembly, a clamping driving motor and a rotary driving motor, the Y-shaped clamping jaw mechanism comprises a jaw block supporting seat, a jaw block assembly and a push-pull head assembly, the jaw block supporting seat is rotatably connected to one end of the box body, the jaw block assembly is rotatably connected to the jaw block supporting seat, and one end of the push-pull head assembly is connected with the jaw block assembly; the linear motion transmission assembly is connected with the push-pull head assembly, and the rotary motion transmission assembly is connected with the claw block supporting seat; the clamping drive motor is connected with the linear motion transmission assembly, and the rotary drive motor is connected with the rotary motion transmission assembly. And a first position sensor capable of moving up and down for adjustment is arranged beside the Y-shaped clamping jaw mechanism on the box body. Compared with a pneumatic rotary clamping jaw, the rotary clamping module has the advantages of being good in stability, high in positioning precision, wide in force control range, low in energy consumption, high in response speed, long in service life and the like.

The utility model relates to a photovoltaic module for reducing current loss based on cell subdivision and a circuit thereof, and the photovoltaic module comprises a cell string which is formed by connecting a plurality of cell slices in series through a solder strip; the battery piece fragments are formed by slitting battery pieces; the battery piece is cut into 4a (a is a natural number greater than 0) battery piece fragments; electrodes in the battery piece fragments are printed into independent areas; and the cell slices are connected in series through welding strips. The current of the battery piece is set as I, the current of the divided battery piece is I1, and I1 = I / 4a; the sectional area of the welding strip is in direct proportion to the current of the battery string, so that the current in the single battery string is reduced by dividing the battery piece into multiple parts, the current loss can be reduced, the heating risk of the assembly is greatly reduced, and the power generation output is higher; the battery piece is divided into multiple parts, the current in the single battery string is reduced, and the sectional area of the welding strip is reduced, so that the sectional area of the interconnection strip of the series battery string is reduced, and the material cost of the assembly can be reduced.

The application discloses intelligent glasses, wherein the intelligent glasses comprise a glasses frame, two glasses legs and a connecting module; the connecting module comprises an electromagnet and a ferromagnetic sheet which are magnetically attracted to each other, one of the glasses frame and the glasses legs is provided with the electromagnet, and the other is provided with the ferromagnetic sheet; wherein the glasses frame and the glasses legs are magnetically attracted to each other through the connecting module, the glasses legs can rotate relative to the glasses frame and have a first position and a second position, at the first position, the two glasses legs are parallel to each other, at the second position, the two glasses legs are folded on the glasses frame, and when the magnetic attraction force of the connecting module is less than a threshold value, the glasses frame and the glasses legs can be completely separated and disassembled. The technical scheme of the application can improve the convenience of disassembling the glasses frame and the glasses legs.

The invention relates to the technical field of semiconductor lasers, in particular to a narrow linewidth laser based on an external cavity grating waveguide and a DFB chip. The high-reflection film is arranged on the left end surface of the DFB laser chip in a plating manner; the first antireflection film is arranged on the right end surface of the DFB laser chip in a plating manner; the grating optical waveguide chip is arranged on the right side of the DFB laser chip, and the left end face of the grating optical waveguide chip abuts against the right end face of the DFB laser chip; the second antireflection film is plated on the left end surface of the grating optical waveguide chip; the third antireflection film is plated on the right end surface of the grating optical waveguide chip; the grating optical waveguide chip comprises a waveguide substrate, and the waveguide substrate is made of an insulating transparent material. The method has the following beneficial effects: 1, the filtering sufficiency and the line width compression effect are remarkable; 2, the advantages of low loss and low power consumption are outstanding; 3, mode regulation and control are flexible, and stability and tunability are both considered; and 4, the compatibility is high.

The method comprises the following steps: periodically checking, by a processor, a receiving buffer of a WIFI chip; if there is an MQTT task message in the receiving buffer, sending, by the processor, a data transmission command to the WIFI chip; after receiving the data transmission command, transmitting, by the WIFI chip, the MQTT task message in the receiving buffer to the processor; detecting, by the processor, a remaining space of the receiving buffer; if the remaining space of the receiving buffer is greater than a set threshold, sending, by the processor, a window update command to the WIFI chip; and after receiving the window update command, updating, by the WIFI chip, a TCP window size.

The utility model relates to the technical field of desulfurization and impurity removal, in particular to a slurry impurity removal device of a belt conveyor. The slurry impurity removing device of the belt conveyor comprises a driving wheel, a filtering conveying belt is arranged on the driving wheel, a discharging port is formed in the filtering conveying belt, a discharging outlet is formed in one side of the driving wheel, and a first-stage rotary washing wheel and a second-stage rotary washing wheel are arranged between the discharging port and the discharging outlet. A loosening rake is arranged between the first-stage rotary washing wheel and the second-stage rotary washing wheel, a first-stage supporting frame is arranged below the first-stage rotary washing wheel, a first-stage scraping plate is arranged on the first-stage supporting frame, a first-stage impurity removing canvas is arranged on the first-stage scraping plate, and the first-stage impurity removing canvas is in contact with the filtering conveying belt. According to the device, through the arrangement of the loosening rake, black substances attached to the interior or the bottom of gypsum are also exposed, and the impurity removal efficiency is greatly improved; and through the arrangement of a scraping plate, the working efficiency of the impurity removal canvas is improved.

This application relates to a slew rate adaptive amplifier circuit, which includes a differential amplifier module, a current control module, a first current source I1, a mirror module, a first resistor R1, and a second resistor R2. Both the differential amplifier module and the control module are electrically connected to the mirror module. The negative terminal of the first current source I1 is connected to the power supply VDD, and the anode of the first current source I1 is connected to one end of the first resistor R1 and one end of the second resistor R2. The other ends of the first resistor R1 and the second resistor R2 are both electrically connected to the current control module. The current control module controls the current flowing through the first resistor R1 and the second resistor R2 according to the differential signal. The mirror module replicates the output current of the differential amplifier module to the controlled terminal of the differential amplifier module. This application has the effect of conveniently adapting the slew rate to the magnitude of the differential signal input to the differential amplifier circuit.

The invention relates to a battery technology, in particular to an interface layer constructed by an ultralow-concentration electrolyte, a preparation method of the interface layer and a lithium battery. According to the preparation method of the interface layer constructed by the ultralow-concentration electrolyte, in a low-concentration electrolyte system, the ultralow-concentration electrolyte can greatly reduce the viscosity of the electrolyte, the ultralow-concentration electrolyte can generate overpotential in the formation process, and meanwhile very small formation current can be kept in the constant-voltage process; by constructing a uniform solid-liquid interface electrolyte membrane with an inorganic inner layer and an organic outer layer, the DCR of the battery can be remarkably reduced, the discharge capacity of the battery can be improved, and meanwhile, the cost can be further reduced by the low-concentration electrolyte.

A method for controlling an electromagnetic actuator, comprising the steps of: - applying (102) a first control strategy in which a first switch and a third switch remain in a closed state, while a second switch is switched between its open state and closed state; - detecting (104) the occurrence of an excessive consumption of current in the coil by detecting that a voltage measured on a control bus has exceeded a predefined voltage limit or by detecting that the duty cycle of the second switch has fallen below a threshold value; - in response, applying (106) a second control strategy instead of the first control strategy, in which the third switch is periodically opened in order to reduce the current supplied to the coil.

Claims are made regarding a sensor system with a MEMS gyroscope and its operation method, the sensor system comprising at least: a vibrating mass that can be excited to oscillate; a measurement signal for detection; a drive circuit for exciting and maintaining the defined oscillating motion of the vibrating mass; a detection circuit for reading out and demodulating the measurement signal, thereby generating a rotational speed signal and an orthogonal signal phase-shifted relative to the rotational speed signal; and a digital processing circuit for compensating for a shift in the digitized rotational speed signal using the digitized orthogonal signal, wherein the detection circuit and the digital processing circuit include rotational speed circuitry for generating and processing the rotational speed signal and orthogonal circuitry for generating and processing the orthogonal signal and for generating a compensation signal, the compensation signal being used for shift compensation of the digitized rotational speed signal; characterized in that at least a portion of the orthogonal circuitry is capable of operating independently of the operating mode of the rotational speed circuitry in at least one operating mode different from that of the rotational speed circuitry.

The application provides an external discharge Hall thruster with a planar shearing magnetic field design, which comprises a thruster structure body, an outer ring magnet, a thruster ceramic wall, an additional anode, an outer magnet, a magnetic screen, an anode, a ceramic structure body, an inner magnet, a short insulating pad, an M2 flat washer, an M2 elastic washer, an M2 nut, a long insulating pad, an M3 flat washer, an M3 elastic washer and an M3 nut. The application increases permanent magnets outside the additional anode to form a new magnetic mirror field to confine electrons, reduces the current of the additional anode, adjusts the magnetic field near the surface of the anode to make the positive gradient magnetic field on the surface of the anode, weakens the bombardment and heating of the electrons during the operation of the anode, improves the heating of the thruster and the demagnetization of the permanent magnet, increases the insulation between the anode and the additional anode, and improves the service life and reliability of the thruster.

The present application relates to a kind of main hoist remaining life prediction method and device, wherein, method includes: S1, the vibration time series data and working condition parameter time series data of the main hoist to be measured are acquired, and the measured vibration signal and measured working condition parameter signal of single operation are segmented, detection data group is constructed and time information is generated;S2, using detection data group to identify working condition, input the first self-encoding model corresponding to working condition, obtain the vibration signal after reconstruction and physical constraint residual, and the model is based on physical constraint dynamics equation to build;S3, total deviation is calculated according to reconstructed signal and physical constraint residual, and deviation sequence is obtained according to time sequence;S4, failure curve is generated based on deviation sequence, and then the remaining life is obtained.The present application can effectively separate working condition influence, fusion physical priori knowledge, realize accurate and reliable life prediction under the condition of variable working condition and variable load.