52results about How to "Simplify the design process" patented technology

This invention provides a wafer transfer device and a semiconductor processing system. The wafer transfer device includes a carrier stage and a wafer cassette. The wafer cassette includes a wafer cover and a wafer carrier. The wafer carrier is disposed on the carrier stage. The wafer cover has a downward-facing opening and is closable over the wafer carrier. The wafer cover is movable relative to the carrier stage along the Z-axis, allowing it to transition between a closed state and an open state. In the closed state, the wafer cover covers the wafer carrier; in the open state, the wafer cover moves upward to expose the wafer carrier. Therefore, the wafer transfer device of this invention not only improves positioning accuracy and system stability but also helps reduce the cost of the associated transfer robot.

The invention discloses a multi-channel low-crosstalk multi-layer stepped annular optical fiber and a design method thereof, and belongs to the field of optical communication, and the multi-layer stepped annular optical fiber comprises n (n is greater than or equal to 5 and less than or equal to 10) nested annular structure layers which are sequentially the first to nth annular structure layers from inside to outside; the refractive index of the outermost annular structure layer is smaller than or equal to that of silicon dioxide; the refractive indexes of the first to (n-3) th annular structure layers are greater than the refractive index of the outermost annular structure layer; the refractive index of the (n-2) th embedded structure layer is equal to that of the outermost annular structure layer; the refractive index of the (n-1) th annular structure layer is smaller than that of the outermost annular structure layer; the refractive indexes of the adjacent annular structure layers are different; the width range of the first annular structure layer to the (n-1) th annular structure layer is 1-6 [mu] m and is smaller than the width of the outermost annular structure layer. The number of orbital angular momentum modes which can be supported by the optical fiber and are good in effective refractive index separation can be increased, and therefore the optical communication capacity is improved.

The utility model belongs to the technical field of protection devices, and particularly relates to a temperature detection device for live equipment, which comprises a detection host, a temperature detection assembly is arranged at the bottom of the detection host, a detection needle is arranged at the detection end of the temperature detection assembly, and a connecting disc is fixedly connected to the outer side of the top of the detection needle. First clamping grooves are formed in the two sides of the connecting disc, a fixing assembly is arranged on the outer side of the connecting disc, second bolts which are evenly distributed are arranged at the fixing end of the fixing assembly, and clamping pieces are arranged on the inner sides of the second bolts; according to the live equipment temperature detection device provided by the utility model, the second clamping groove and the first clamping groove are clamped at the same time through the clamping piece, so that the connecting disc and the connecting ring are fixedly connected, the detection host and the temperature detection assembly are rapidly detached from the fixing assembly by rapidly detaching the connecting piece, no extra tool is needed, and the cost is reduced. Installation and detachment are quicker and more convenient, operation efficiency is greatly improved, and downtime is shortened.

This invention discloses an efficient QR matrix decomposition method based on FPGA for implementing systolic matrices, belonging to the field of software-defined radio signal transmission technology for airborne networks. It is based on the design of a multi-channel digital front-end implemented on an FPGA chip. The method includes: designing a general handshake coordination mechanism, designing a timing flow for systolic matrix multiplication, performing fast QR matrix decomposition single-loop operations by calculating the Householder mirror transformation matrix, designing a top-level loop pipeline for QR matrix decomposition, and finally verifying the hardware scheme of the fast QR decomposition algorithm. This invention converts resource consumption into timing consumption by designing the overall pipeline logic and loop operations, enabling fast processing and accurate decomposition of digital information in a multi-channel digital front-end on an FPGA, effectively saving on-chip resources. In addition, this invention has excellent scalability, supporting 64 to 128-bit high-precision fixed-point number formats, and the data matrix order can reach up to 128.

This invention discloses a high-power horn array antenna based on equal-power-division ridged waveguide feeding, characterized by high power capacity and high gain. A 4:1 unequal power distribution is achieved in the BJ100 waveguide placed along its short side by loading a cylindrical inductive post offset 5.2 mm from the branch centerline. Based on stepped impedance matching theory, an inductive module offset 5.2 mm from the branch centerline is loaded at the ridged waveguide branch to achieve a 4:1 unequal power distribution in the ridged waveguide placed along its long side. The antenna is entirely filled with sulfur hexafluoride gas to achieve even higher power capacity. A waveguide transition structure is applied to achieve a transmission transition between the standard rectangular waveguide and the ridged waveguide, and a metal plate is added to reduce the back lobe of the antenna pattern and improve the main lobe gain. The antenna feeding structure uses a standard BJ100 waveguide and its ridged waveguide, both with a waveguide wall thickness of 1.27 mm. This invention achieves a power capacity greater than 1MW in the 9.35~9.65 GHz frequency band, and within a 312mm×312mm aperture plane, the center frequency gain is greater than 29.6dBi, and the aperture efficiency across the entire frequency band is greater than 75%.

The utility model relates to the technical field of LNG (Liquefied Natural Gas) storage tanks, and discloses a hot corner protection device of an LNG storage tank, the LNG storage tank comprises an inner tank and an outer tank, and an annular accommodating space is arranged between the inner tank and the outer tank; the hot corner protection device is mounted in the accommodating space; the hot corner protection device comprises a first mounting seat, a second mounting seat and a wall plate; the first mounting seat and the second mounting seat are mounted at the top end and the bottom end of the accommodating space respectively; the number of the wall plates is multiple, the multiple wall plates are arranged in the circumferential direction of the containing space, and any two adjacent wall plates are tightly and fixedly connected. The wall plate is vertically arranged, and the two ends of the wall plate are connected with the first mounting base and the second mounting base correspondingly. According to the structure, complex typesetting design is omitted, the installation and design process is simplified, and the assembly difficulty is reduced. And the hot corner protection wall consists of a plurality of equal-width wall plates, so that the plate interchangeability is good, and the plate utilization rate is improved.

The application relates to the field of hull line intelligent design, and particularly discloses a ship type optimization initial range determination method based on knowledge reasoning, which comprises the following steps: S1, constructing a Yangtze River cargo ship line design knowledge base, wherein the knowledge base comprises a parent type instance library, a design rule library and a line knowledge graph library; S2, based on the design ship demand input by a user, determining applicable parameterized geometric models and initial line optimization ranges through similar ship type retrieval; S3, calculating the best optimization range of ship body local line parameters, wherein the best optimization range is determined in combination with parameter sensitivity analysis and knowledge reasoning results; S4, constructing a total resistance approximation model, and performing fine optimization on the local line parameters in the best optimization range by using an optimization algorithm; and S5, generating a geometric model of the optimized ship body line, and verifying the resistance performance through CFD simulation. The application solves the problems of blindness and low design efficiency of the traditional ship type optimization range, and effectively improves the local line optimization accuracy and resistance performance of the Yangtze River cargo ship.

The invention discloses a casting and extruding integrated electric automobile lower body structure reinforcement layout topological optimization method, and relates to the field of electric automobiles, the method comprises the following steps: carrying out finite element mesh division on an electric automobile lower body structure, and classifying finite element meshes into extrusion part meshes and casting part meshes according to the types of processing technologies adopted by parts; carrying out secondary division on a finite element grid in a single part, and subdividing the finite element grid into a design domain and a non-design domain; aiming at a casting design domain, a mathematical model of casting constraint is established, and optimization of external reinforcement of the thin-wall die casting is realized; applying extrusion process constraint to an extrusion design domain to establish a mathematical model, and realizing optimization of internal reinforcement of the extrusion structure; solving the mathematical model, obtaining the density distribution of each unit, and determining a reinforcement layout form meeting the comprehensive service condition and the dual manufacturing process constraint; and reconstructing a topological optimization result into a CAD (Computer Aided Design) model or a grid model with reinforcing ribs according to the calculated unit density distribution and load transfer path.

A kind of double electrode arc seal glue structure's intelligent ring, it includes: ring body;Intelligent electrical component is fixed in the inside of the ring body;Seal glue layer is encapsulated in the inside of the ring body, and the intelligent electrical component is covered;The intelligent electrical component includes double sensor electrode;The double sensor electrode is embedded in the seal glue layer, and the electrode contact end of the double sensor electrode is exposed to the inner surface of the seal glue layer;The inner surface of the seal glue layer is continuous smooth circular arc surface, and the outer peripheral surface of the seal glue layer is adapted and closely adheres to the inner side wall of the ring body, the inner surface of the seal glue layer is set as continuous smooth circular arc surface, the convex platform and step structure in the prior art are completely cancelled, and the smooth wearing surface without convex and step is formed in the inside of the ring body.When wearing, the inner ring of the ring is in uniform contact with the finger, does not jam hand, does not press finger, does not cover sweat, and is more friendly for long-term wearing.

This invention discloses a rear strut assembly structure, a vehicle, and its design method. It includes a rear strut inner plate fixed to the outer rear wheel arch panel and a rear wheel arch inner plate reinforcing plate fixed to the inner rear wheel arch panel. A rear strut support plate, a rear strut corner plate, a rear strut upper reinforcing plate, and a roof rear crossbeam lower plate are fixed to the inner rear strut panel. The rear strut support plate is arranged at an acute angle, and the rear strut support plate and the rear strut corner plate are fixedly connected by a rear strut connecting plate. The rear strut upper reinforcing plate is fixed to the rear strut support plate, and the two are arranged at an obtuse angle. The roof rear crossbeam lower plate and the rear strut inner plate are fixed, and the roof rear crossbeam lower plate and the rear strut upper reinforcing plate are arranged at an obtuse angle. The rear strut corner plate has a quadrilateral cross-sectional shape. The outer rear wheel arch panel and the rear strut support plate overlap in the Y direction. The rear wheel arch inner plate reinforcing plate, the rear strut support plate, and the roof rear crossbeam lower plate are arranged in a C-shape. This invention can improve the bending and torsional rigidity of the body-in-white during the project development stage.

The utility model provides a tunnel type cold storage box relates to refrigeration technical field, this tunnel type cold storage box includes a plurality of box and board body. Any box is enclosed and forms refrigerating chamber, board body includes hollow board and partition board, hollow board is the plate structure with the center through -hole, and partition board is the solid plate structure, among them, a plurality of box links in turn, and there is installation gap between two adjacent boxes, and the width of installation gap, the thickness of hollow board and the thickness of partition board are same, to can selectivity with hollow board or partition board is embedded in installation gap, and two adjacent refrigerating chambers are cut off or communicate. The tunnel type cold storage box can realize the communication or the cut off of refrigerating chamber according to actual demand, satisfy multi -temperature zone management, segmented refrigeration or centralized pass cold and so on many kinds of use scene, at the same time, hollow board, partition board and installation gap thickness are consistent, can simplify structure design and production process, improve interchangeability and assembly efficiency.

The application discloses a kind of parameterized modeling-based optimization design method and system of centrifugal fan volute profile, belong to industrial centrifugal fan design field.The method includes: firstly, volute profile away from volute tongue side is constructed, determine the width of two circular arcs away from volute tongue side of volute;Second volute tongue profile parameterization constraint, define volute tongue opening degree β, volute tongue radius R, volute tongue center and impeller center distance D key parameter, volute tongue geometry is controlled by three parameters independently;Finally, profile fusion and optimization, adopt single circular arc to connect volute profile away from volute tongue side and volute tongue profile tangentially, avoid geometric over definition problem, complete overall modeling.By improving the degree of freedom of volute tongue area, effectively reduce the flow separation and impeller interference at volute tongue, optimize the uniformity of volute internal flow field.

The invention discloses a reconfigurable controller, an injection molding machine control system and an injection molding machine, which are applied to the field of injection molding machine control, and the controller comprises a first control unit, a second control unit and two network port modules, the first control unit outputs a first configuration signal when the controller is configured as a master station, and outputs a second configuration signal when the controller is configured as a slave station; according to the first configuration signal, the second control unit configures one network port module to adopt a preset upper communication protocol stack to perform bidirectional communication with the upper computer module, and configures the other network port module to adopt a preset master station communication protocol stack to perform bidirectional communication with the lower-level module; and according to the second configuration signal, the two network port modules are configured to adopt a preset slave station communication protocol stack so as to perform bidirectional communication with the superior module and the subordinate module respectively. According to the scheme, the controller is reliably and flexibly configured to be a master station or slave station role according to actual application requirements, the universality is high, and various architecture requirements such as centralized control and distributed control are supported.

The invention discloses a dynamically tunable reflection type polarization multiplexing terahertz metasurface, and belongs to the technical field of electromagnetic wave wavefront regulation and control devices. The existing phase gradient metasurface lacks the capability of dynamically switching working frequency points and polarization modes in the same structure. The metasurface is formed by arranging n * n units in an array mode, each unit comprises a composite metal patch layer, a dielectric substrate and a metal reflection bottom plate which are sequentially arranged from top to bottom, a metal split type opening ring and an oval cross patch which form the composite metal patch layer are coplanar, the oval cross patch completely wraps the metal split type opening ring, and the metal split type opening ring and the oval cross patch form the composite metal patch layer. The elliptical cross patch is made of a vanadium dioxide material with an insulator-metal phase change characteristic; when the vanadium dioxide is in a medium state, the metal split type split ring performs dominant response, and wavefront regulation and control on circularly polarized waves are realized at a first frequency point; and when vanadium dioxide is in a metal state, the elliptical cross patch performs dominant response, and independent wavefront regulation and control on the dual-linear polarized waves are realized at a second frequency point. The method is suitable for a terahertz communication and imaging system.

The invention relates to the field of phase-change switches, and provides a preparation process of a phase-change material layer in order to solve the problem that an existing phase-change material layer is initially in a high-resistance state and needs to be electrically initialized, and the preparation process comprises the following steps: S100, preparing a GeTe phase-change film through a photoetching process and a magnetron sputtering process; s200, preparing a phase change material layer from the phase change film through an annealing process; the initial vacuum degree of the annealing process is lt; the pressure is 5 * 10 <-2 > Pa, the annealing temperature is 280-350 DEG C, and the heating rate is 1t; the temperature is 20 DEG C / min, and the annealing time is gt; the time is 20 minutes. According to the invention, the first-time electric stress impact is eliminated, the destructive first-time switching operation is fundamentally avoided, the device enters a working state from the beginning under mild and uniform heat treatment, the generation of initial defects is greatly reduced, and the initial point of phase change fatigue is delayed, so that the recyclable operation life of the device is remarkably prolonged; according to the device provided by the invention, the first switching operation is omitted, the complexity of driving circuit design of the chip and the cost of chip test are reduced, and the design and test are simplified.

The application discloses a kind of based on reinforcement learning's failed spacecraft attitude quick adjustment method, comprising: step S1, based on spacecraft attitude end constraint, establish failed spacecraft attitude mathematical model and constraint model;Step S2, based on Long-term performance index function in reinforcement learning algorithm, establish evaluation standard and Critic network;Step S3, based on Backstepping control framework combines Action network and the Critic network, establish adaptive control method, to control failed spacecraft into end constraint domain.The application realizes the quick attitude adjustment of failed spacecraft before attitude motion evolution, enters predetermined ignition maneuver pointing.

The application relates to the technical field of cross-domain multi-modal robots, in particular to a land-air robot with high ground self-adaptability and a control method thereof. The land-air robot comprises an air movement unit, a ground movement unit and an automatic driving module. The air movement unit is used for providing flight power for the land-air robot, so that the land-air robot has a flight mode. The ground movement unit is arranged at the bottom of the air movement unit, so that the land-air robot has a ground movement mode. The ground movement unit comprises a movement module and a five-link wheel-foot mechanism symmetrically arranged on the left and right sides of the land-air robot. The movement module is used for adjusting the posture of the five-link wheel-foot mechanism, so that the land-air robot realizes dynamic balance and posture righting in the ground movement mode. The automatic driving module is electrically connected with the air movement unit and the ground movement unit. The land-air robot in the application can move on land and in the air, and has good trajectory tracking performance in the land-air dual mode.

The embodiment of the invention provides a calling method and device for standard part resources in industrial design software, computer equipment and a medium, and the method comprises the steps: receiving a matching condition input by a user on a design software platform, screening out a standard part three-dimensional model meeting the matching condition according to the matching condition, and storing the standard part three-dimensional model in the design software platform; taking the model as a candidate standard component three-dimensional model; selecting an adaptive standard component three-dimensional model from the candidate standard component three-dimensional models according to actual installation requirements as a target standard component three-dimensional model; recommending a matched standard component three-dimensional model according to the target standard component three-dimensional model; and calling the target standard component three-dimensional model and the matched standard component three-dimensional model for installation, and displaying attribute information on the target standard component three-dimensional model and the matched standard component three-dimensional model. According to the scheme, the design process is optimized through standard part full-life-cycle tracing and global consistency management, and the standard part calling and assembling time is shortened.

The invention relates to an automatic leveling device for an air floatation simulator and a control method. Three air floatation bearings distributed in a triangular shape are mounted at the bottom of the air floatation simulator; the cross-shaped sliding table is arranged on the middle layer of the air floatation simulator, is used for driving the weight to perform two-axis movement in the horizontal direction, and comprises an X-direction guide rail and a Y-direction guide rail which are orthogonally overlapped; the two servo motors drive the X-direction guide rail and the Y-direction guide rail to move and drive the weights to move. The controller controls the two servo motors and samples the weight values of the three weighing sensors in real time; the three weighing sensors are installed on the three air bearings respectively, the mass center of the air floating simulator is adjusted by adjusting the positive and negative rotation and the speed ratio of the two servo motors, and when the cross-shaped sliding table makes the weights of the three weighing sensors consistent through planar motion, leveling of the air floating simulator is completed. The problems that an existing leveling method is long in adjusting time, poor in stability, low in feedback speed and the like are solved, and the method can be conveniently transplanted to other air flotation simulators.

The invention discloses a series node-based vehicle multi-device control device and method, and the device comprises a series line and node controllers, and a plurality of node controllers are connected in series through the series line to form a series node network; inputting a control instruction through the man-machine interaction device and sending the control instruction to the target node controller through the series circuit; a plurality of decoding modules are arranged in each node controller and can decode a plurality of groups of industrial information such as AI, AO, DI and DO so as to realize accurate control on corresponding equipment; the device is further provided with an error correction mechanism and a channel redundancy module, the error correction mechanism can report an error and locate a fault node when any node or line in the series connection line is disconnected, and the channel redundancy module ensures that normal operation of the system is not affected when a certain line is disconnected or makes an error. According to the invention, a series node structure is adopted, the circuit design is simplified, standardized production of a controller and a connecting line is realized, infinite capacity expansion is supported, a damaged single node can be directly replaced, and the maintenance cost is obviously reduced.

The application provides a nonlinear system tracking control method with segmented discontinuous output constraint, to solve the problem that the constraint boundary function is discontinuous at a certain moment but bounded in a certain period of time when the system starts to run, and solve the problem that the system output is not limited by the constraint at a certain moment. Unlike the requirement of continuity and boundedness of the constraint boundary function and its high-order derivative in most existing methods, the application only requires the continuity and boundedness of the converted constraint boundary function and its first-order derivative, relaxes the requirement of the constraint boundary function, greatly improves the practicability of the control strategy, and reduces the complexity and computational burden of the controller. In addition, by changing the discontinuous time, without changing the controller structure and design parameters, the proposed control strategy can also be applied to other constraint conditions, such as continuous constraint conditions, discontinuous constraint conditions at a certain moment, and system output not limited by the constraint at a certain moment, further enhancing the practicability of the control strategy.

The application discloses an etching inkjet printing method and device based on the same grating, equipment and medium, and relates to the technical field of inkjet printing. The method comprises the following steps: acquiring a laser pulse signal corresponding to each etching position according to a to-be-printed image and etching parameters; acquiring an inkjet pulse signal corresponding to each printing position according to the to-be-printed image and printing parameters; acquiring the actual positions of a laser nozzle and the inkjet nozzle according to the grating code value of the printing trolley; controlling the laser nozzle to perform laser etching according to the actual position of the laser nozzle and the laser pulse signal, so as to obtain an etching image; and controlling the inkjet nozzle to perform inkjet printing on the etching image according to the actual position of the inkjet nozzle and the inkjet pulse signal, so as to obtain a target image. The same grating is used for positioning, new equipment does not need to be introduced, the complexity is reduced, and the cost is lowered.

This invention discloses a low-profile, dual-circularly polarized Ka-band phased array antenna, primarily addressing the problems of high profile, complex structure, and inability to polarize multiplex traditional circularly polarized phased array antennas. The antenna feeding structure and metal patch structure of this invention are symmetrical. The left and right circularly polarized feed ports are directly connected to the radiating patch, respectively exciting the patch to generate left-hand and right-hand circular polarization, achieving control from single to dual circular polarization. The direct connection of the left and right circularly polarized feed ports to the radiating patch excites the patch to generate left-hand and right-hand circular polarization without introducing any additional structures, simplifying the antenna design process and enabling polarization multiplexing of the circularly polarized antenna. The antenna of this invention consists of two dielectric substrates, eliminating the need for a complex intermediate feed network, resulting in an antenna with advantages of simple structure and low profile.

The utility model discloses a handle for electronic thoracoscope and laparoscope, including casing, interface, signal board, mainboard and rotating component, the front end outside of casing is provided with locking device, and locking device inside hollow, the interface, signal board and mainboard all are located in the casing, the interface is located locking device terminal, signal board and mainboard are connected through FPC between, and signal board and mainboard are rigidly connected between, rotating component includes angle knob, gear and connecting rod, angle knob is located the outside of casing, and angle knob is set up in the outer peripheral surface of gear, and both synchronous rotation, the front end of gear is fixedly connected with mainboard through connecting rod. The utility model discloses still a kind of electronic thoracoscope and laparoscope. The utility model has the beneficial effect that: the utility model restricts the rotation angle of human wrist, improves the convenience of surgical operation, so that doctors can more conveniently and efficiently obtain different visual angle surgical field of view, ensure the accuracy of surgical operation.

This invention discloses a stator oil-cooling structure for a flat wire motor, comprising a stator core and stator slots. The stator core includes a middle section core and a spray section core. The middle section core includes an oil inlet channel, a flow channel, and a keyway. The oil inlet channel is formed by rotating and stacking stator laminations, each lamination having a rectangular hole. The spray section core includes a guide channel and an oil spray hole. The guide channel is formed by rotating and stacking stator laminations, each lamination having a T-shaped hole and an elliptical hole. The oil inlet channel, flow channel, guide channel, and oil spray hole are interconnected, forming an oil circuit. This invention features a spray section at the end of the stator core, enabling direct spraying of cooling oil to the stator winding ends, ensuring good cooling performance, significantly reducing the complexity and manufacturing cost of the oil spraying system. The oil spray hole is positioned close to the bottom of the stator slot and axially facing the winding ends, allowing the oil to cover the entire winding ends and maximizing the reduction of winding end temperature.

The invention discloses a corrugated pipe friction torque safety coupling. The corrugated pipe friction torque safety coupling comprises a first shaft sleeve and a second shaft sleeve, the first shaft sleeve is formed by sequentially connecting a locking sleeve, a corrugated pipe and a friction outer sleeve. The second shaft sleeve comprises a friction inner sleeve embedded in the friction outer sleeve. The friction outer sleeve abuts against the end face of the inner sleeve to form a friction pair to transmit torque. The end of the friction inner sleeve is a stepped shaft and sleeved with a bearing, and the outer ring of the bearing abuts against the inner wall of the friction outer sleeve. During normal transmission, the corrugated pipe compensates axial, radial and angular deviations between the two shafts; and when the torque is overloaded and slips, the friction pair relatively slides to cut off power transmission, and the bearing intervenes to provide radial support and guide for the friction inner sleeve and the friction outer sleeve. Displacement correction and overload protection are fused, shaft system deflection and breakage at the moment of slipping are effectively prevented, and the safety of a high-precision transmission system is improved.

This invention discloses a sensor-computing integrated system and method based on a logical time axis. The system includes a first node configured to generate a logical time axis defined by logical decision moments output by a logic state machine, with each logical decision moment associated with a monotonically increasing logic counter. This logical decision moment serves as a unified time index for communication, sensing, and / or computation within or between nodes, and associates communication signals, sensing data, and computational tasks onto the logical time axis for processing. The logic state machine supports rule A (broadcast clock driven), rule B (hash chain driven), and rule C (logical epoch driven), enabling flexible configuration from tight coupling to complete decoupling. A silent calibration mechanism achieves synchronization of the logic counters across multiple nodes, and a preset capture deviation tolerance tolerates physical anchor alignment errors. This invention transforms the traditional synchronization paradigm dependent on physical clocks into logical time self-synchronization, providing a GPS-independent, low-power, and inherently secure sensor-computing integrated foundation for drone swarms, autonomous driving, low-Earth orbit satellite constellations, and the Industrial Internet of Things.

The application discloses a design method of an aero-engine wheel disc simulation piece, and fully considers the influence of the main stress gradient path and the secondary stress gradient path of the wheel disc feature part dangerous area in the three-dimensional space on the fatigue life of the simulation piece in the design process of the simulation piece, greatly improves the prediction accuracy and the stability of the prediction result of the simulation piece on the fatigue life, and automatically forms the gradient path through a search program, and finally obtains the configuration of the simulation piece through optimization design, so that the design method has operability and repeatability, is helpful to the standardization of the simulation piece design, has a brief design process, high design efficiency and strong practicability, and is suitable for wide promotion and application.