30results about How to "Reduce mechanical stress" patented technology

The application provides a battery module and a battery box. The battery module comprises a frame assembly having a receiving cavity, the frame assembly comprising a first frame extending along a second direction, and a buffer arranged in the first frame; and a cell assembly accommodated in the receiving cavity, the cell assembly comprising a plurality of cell bodies arranged at intervals along a first direction, and the cell bodies extending along the second direction; wherein the first direction and the second direction have an included angle. The application can reduce the risk of cell damage.

The utility model relates to a kind of scar paste with temperature control memory effect and tension reduction function, the scar paste includes layer by layer arranged silica gel layer, shape memory metal layer, temperature control layer and waterproof layer;The silica gel layer includes the adhesive part of symmetrical adhesion in the two sides of skin wound when using, the two ends of the shape memory metal layer are connected with the adhesive part of corresponding side respectively, temperature control layer and waterproof layer are sequentially arranged on shape memory metal layer;The shape memory metal layer is used to change into preset contraction mode under skin temperature and / or the heating of temperature control layer and drive adhesive part shrink in tension reduction direction.It can drive the adhesive part of silica gel layer shrink in tension reduction direction under skin temperature compared with prior art, so as to achieve the effect of tension reduction and inhibiting scar hyperplasia, finally realize the effect of "scarless healing".

The utility model discloses a PTC heater structure, including a plurality of PTC heating tube, a plurality of radiating fins and mounting seat, a plurality of PTC heating tube installation is positioned on mounting seat, and a plurality of radiating fins interval arrangement sets up on PTC heating tube, still be provided with corrugated elastic metal sheet between a plurality of radiating fins and mounting seat, the corrugated elastic metal sheet is nickel base alloy material quality, a plurality of radiating fins and mounting seat are all aluminum material quality, the contact surface of a plurality of radiating fins is close to PTC heating tube and has coated nano alumina heat conduction coating, like this, through the elastic deformation absorption vibration energy, and gradient thermal expansion design, reduce the thermal stress, reduce the mechanical stress between mounting seat and fin aluminum pipe, prevent the connection loose after long -term use.

This utility model discloses a piezoelectric ultrasonic sensor, relating to the field of sensors. It includes a mounting plate, a circuit board, and a sensor body. The circuit board is located in front of the mounting plate, and the sensor body is fixedly mounted on the front end of the circuit board. A connecting plate is fixedly mounted on the front end of the mounting plate. This utility model forms an elastic support structure. When the sensor body is subjected to external impact or vibration, the buffer spring can absorb energy through deformation, significantly reducing the mechanical stress transmitted to the circuit board and sensor body, preventing precision components from wearing or breaking due to vibration. The flow guide plate directs ambient sound waves to the sensor body, achieving a sound wave focusing effect and improving signal reception sensitivity. Furthermore, the sound wave reception angle and coverage range can be adjusted by sliding and rotating the flow guide plate to adapt to different detection scenarios. The number of flow guide plates can also be increased or decreased for customized applications.

The utility model discloses a robot connecting line protecting and reinforcing device, which relates to the technical field of robot connecting lines, comprises a fixed base, a connecting bent piece and an outer protecting tube, and is characterized in that a first rotating bearing is fixedly connected to the outer side of one end of the connecting bent piece, and a base threaded connecting piece is rotatably connected to the outer side of the first rotating bearing; the base threaded connecting piece and the fixed base are in threaded connection with each other, second rotating bearings are fixedly connected to the outer sides of the two ends of the outer protection pipe correspondingly, and threaded rings are rotationally connected to the outer sides of the two second rotating bearings correspondingly. The fixing bases are installed at the two ends of a robot outgoing line in a threaded mode, then one ends of the two sets of connecting bent pieces are installed on the two sets of base threaded connecting pieces respectively and connected to the fixing bases in a threaded mode, and a robot connecting line penetrates through the inner threading protection pipe on the inner side of the outer protection pipe.

The utility model discloses a control box device for fresh air handling unit belongs to fresh air system control equipment technical field. The device includes the box body of installing in the one -way air duct of fresh air handling unit, and the opening direction of box body is perpendicular with the wind direction and has the outer open box door of hinged, and the door opening direction of box is the adverse wind direction, and the door closing assembly contains the vertical pressure -bearing plate, and one end is fixed to the outside of box door, and the other end is inclined to the direction of away from the box body and forms the pressure -bearing surface. The component of force that the airflow acts on the inclined pressure -bearing surface generates is converted into the door closing moment, realizes the automatic locking of box door. The problem that the control box in the air duct leads to the sealing failure of air flow impact, the operation difficult problem is solved, and the box door is locked by wind energy, and the sealing reliability is improved significantly, and the stability of equipment under the vibration, high pressure difference working condition is enhanced.

The application discloses a high-precision intelligent temperature measuring cable, which comprises at least one core, an outer sheath and at least one temperature measuring unit, the core comprises a conductor part twisted by a plurality of conductors, one temperature measuring unit is arranged in each core, the temperature measuring unit is wrapped by a plurality of conductors and arranged in the conductor part of the core and extends along the length direction of the conductor. The temperature measuring optical fiber of the application is wrapped by a plurality of conductors and arranged in the core, instead of being arranged on the surface of the core as in the prior art, so that the heat generated during the operation of the cable can be quickly transmitted to the temperature measuring optical fiber, the actual temperature of the conductor can be directly measured, instead of the temperature of the surface of the conductor or the insulating layer, and the test real-time performance and the test accuracy are improved.

The application discloses a kind of space ring column antenna satellite distributed active cable vibration control method, it belongs to space large ring column antenna satellite control technical field.The application solves the problem of poor robustness of the existing space large ring column antenna satellite vibration control method.The application ensures that the system can accurately adjust the pretightening force of cable to respond to external disturbance through controllability analysis.Based on model predictive control technology, a distributed model predictive control strategy is designed to predict and control the vibration response at future time. An objective optimization function is established to optimize the cable pretightening force adjustment strategy in the rolling time domain, real-time response to the dynamic changes of the structure. The distributed active cable vibration control method optimizes the vibration suppression process, improves the robustness of the system, and effectively ensures the performance of the antenna and the quality of signal reception. The application can be applied to the control of space large ring column antenna satellite.

The utility model provides a horizontal type waste heat boiler two-section type heated module bottom expansion limiting device which comprises a first limiting assembly, a second limiting assembly and a fixing frame, one end of the first limiting assembly is connected with the fixing frame, and the other end of the first limiting assembly is connected with the second limiting assembly. The other end of the first limiting assembly is connected with the bottom of the first heated module, and the first limiting assembly can enable the first heated module to expand and stretch out and draw back according to the preset direction and length; one end of the second limiting assembly is connected with the fixing frame, the other end of the second limiting assembly is connected with the bottom of the second heated module, and the second limiting assembly can enable the second heated module to expand and stretch out and draw back according to the preset direction and length. The limiting device enables the first heated module and the second heated module to freely expand in the preset direction and within the preset length, effectively avoids jamming and leakage accidents caused by uneven expansion, and improves the operation stability and safety of the waste heat boiler.

The invention provides an MOF-based nano positive electrode material and application thereof in an aqueous zinc ion battery, and relates to the field of electrochemical energy storage devices, and the MOF-based nano positive electrode material comprises a bimetallic MOF which is formed by bimetallic cluster nodes composed of divalent manganese ions and trivalent vanadium ions; the organic ligand is a polydentate carboxylic acid ligand containing a rigid aromatic ring structure, the organic ligand and the bimetallic cluster node are in coordination connection to form a three-dimensional frame structure, and the three-dimensional frame structure is provided with hierarchical pore channels. According to the MOF-based nano positive electrode material, a three-dimensional continuous conductive coating layer is constructed on the surface of a bimetal MOF by adopting nitrogen-doped carbon nanofibers, Mn-N and V-N coordination bonds are formed at an interface, firm heterogeneous interface bonding and an efficient electron transport network are realized, the mechanical stress of electrode particles is effectively buffered in the circulation process, and the electrochemical performance of the electrode particles is improved. The conductive network is prevented from cracking or falling off, and the overall conductive continuity of the electrode is ensured.

The utility model discloses a battery mounting mechanism and a standby power supply, the battery mounting mechanism comprises: at least one combination support, the combination support comprises a positive electrode support and a negative electrode support, and one side of the positive electrode support facing the negative electrode support is provided with two rows of first accommodating holes at intervals in a first direction; a set included angle is formed between the connecting line between the center points of every two adjacent first containing holes in different rows and the first direction so that a first air channel can be formed in the combined support, and the set included angle is larger than 0. One side, facing the positive electrode bracket, of the negative electrode bracket is provided with a second accommodating hole corresponding to each first accommodating hole; and each first accommodating hole and the corresponding second accommodating hole in the parallel bracket are respectively used for arranging a positive electrode and a negative electrode of one battery cell. According to the scheme, the battery mounting mechanism disclosed by the utility model can be used for arranging each layer of battery cells in a staggered manner according to a certain height difference in the height direction, so that more battery cells can be more closely arranged in a limited space, and the overall height of a product is effectively reduced.

The utility model discloses a cable connector with a protection structure, which comprises a cable, a connecting shell is arranged outside the cable, a plurality of connecting rods are connected inside the connecting shell in a sliding manner, lantern rings are connected outside the connecting rods in a sliding manner, a plurality of limiting blocks are fixedly connected inside the lantern rings, and the limiting blocks are connected with the connecting rods in a sliding manner. The exterior of the cable is fixedly connected with a first fixing block, and the exterior of the first fixing block is fixedly connected with a clamping block. Through the above structure, the rotating block at the top of the connecting shell is rotated and slightly pressed, so that the spring at the bottom is extruded, then the clamping block is aligned with the limiting block, in the spring extrusion process, the internal supporting rod is moved, and the supporting rod is fixed in the hole in the clamping block, so that the two cables are connected; in this way, no complex tool or tedious operation process is needed, and the installation efficiency is greatly improved especially under the conditions of emergency repair or rapid cable deployment.

This invention belongs to the field of micro / nano structure material design and battery energy storage technology, and relates to a method for preparing a three-dimensional graphene-COF interlocking material: First, by controlling the amination and reduction of graphene oxide, amine functional groups are precisely constructed on its surface, serving as active sites for heterogeneous assembly; then, in solution blending, the enhanced multiple intermolecular forces between the amine groups and the COF precursor drive the COF units to undergo oriented adsorption and two-dimensional ordered pre-assembly on the graphene surface, forming a molecular-level anchor array; subsequently, through a solvothermal reaction, interfacial covalent condensation and π-plane-induced epitaxial growth are synergistically achieved, causing the COF layer to crystallize and form a strongly coupled heterojunction with the deeply reduced and structurally repaired graphene at the molecular level; finally, after freeze-drying and shaping, a dual continuous conductive network carrier with a stable heterointerface, three-dimensional interlocking channels, and an intrinsic built-in electric field is obtained.

The utility model provides a kind of inner folding flexible screen belongs to flexible screen technical field, to solve in prior art, folding flexible screen mainly through integrated high-precision hinge mechanism realizes the foldable function of equipment, to take into account portability and big screen experience, however, in actual use process, when flexible display repeatedly bending, its folding angle area is prone to local stress concentration, affect the reliability and service life of screen Problem, including the cover plate is fixed in the lower end surface of protection film;The display panel is fixed in the lower end surface of cover plate;The functional film is fixed in the lower end surface of display panel;The protection panel is fixed in the lower end surface of functional film;The support plate is fixed in the lower end surface of protection panel;By the setting of the utility model, not only realize the shaping of flexible screen folding angle, also effectively control the radian in folding process, significantly prolong the service life of flexible screen.

The application discloses an energy-accumulating impact slag poking device and belongs to the technical field of coal feeder cleaning. The device comprises a clamping type base which is detachably installed at the position of a slag discharging hole of a slag discharging pipe, a guide sleeve, a slag poking rod, a sliding hammer assembly and a driving assembly are integrated on the outer side of the base. The driving assembly drives the sliding hammer assembly to reciprocate, thereby forming axial impact load on the slag poking rod. The slag poking rod is internally integrated with an inertial impact block and a telescopic micro crushing piece. A rotatable spiral crushing head is arranged at the front end of the slag poking rod. A reset energy-accumulating structure is matched to realize the automatic reset anti-stuck function of the slag poking rod. The device realizes the efficient cleaning of the slag discharging pipe and the coking block and the clogged slag material through the multiple synergistic effects of mechanical impact, rotary cutting and inertial secondary crushing. The overall structure is convenient to disassemble and assemble and has high automation, and the technical problems of the traditional slag poking device, such as incomplete cleaning, easy sticking and low operation efficiency, can be effectively solved. The device is suitable for the normal slag cleaning operation of various industrial slag discharging pipes.

The application relates to the technical field of semiconductor packaging, and discloses a packaging structure for combining and packaging an LED and an IC, which comprises an IC chip and a Micro LED chip vertically combined above the front surface of the IC chip; the IC chip is internally integrated with a driving circuit and has metal welding spots distributed on the top surface and matched with the electrodes of the Micro LED chip; the IC chip and the Micro LED chip form a three-dimensional stacked integrated structure through a metal bonding layer; the physical projection of the Micro LED chip is located in the projection range of the IC chip; the IC chip is provided with a conductive mechanism for leading out signals, and the conductive mechanism comprises surface bumps distributed on the edges of the front surface, vertical conductive columns penetrating the interior, back welding balls on the back surface, back cut positions in the form of slopes on the edges, and a metal coating layer covering the back cut positions and connecting the front circuit and the back welding balls. The application realizes miniaturization of the packaging size and improves display transmittance.

The invention relates to the technical field of direct-current power supply control, in particular to a direct-current capacitance calculation method of a diesel generating set under a pulse load and a diesel generating set system. Comprise pulse peak power, pulse period, pulse on / off time, system no-load direct current voltage, allowable minimum direct current voltage and response time of a diesel engine control unit ECU; according to the obtained parameters, equivalent discharge time needing to be provided by the energy storage capacitor is determined; and calculating the capacitance value of the energy storage capacitor according to an energy conservation relation, and connecting the calculated energy storage capacitor in parallel to a direct current bus of the generator set. In the invention, by establishing a quantitative calculation method of the direct current energy storage capacitor under the pulse load and combining a slow response control strategy of low-pass filtering of a voltage loop of the alternating current-direct current converter, the pulse transient power is borne by the capacitor, and the diesel engine stably intervenes according to self response characteristics, so that the voltage fluctuation of a direct current bus is effectively inhibited; and engine rotating speed impact and mechanical stress are reduced.

The invention relates to a power module bridge (100), comprising a cooler (102) having a guide surface (116) with at least two power modules (12) having arranged semiconductor structure elements, each power module (12) being assigned a current guide path, the invention relates to a power module (12) having a current guide path which is designed as an injection-encapsulated copper element (122) and a phase bridge (128) and which is connected to the power modules (12) by means of a first pre-component (106.1) by means of a first integrally bonded connection, a signal adapter (118) being assigned to each power module (12), the signal adapter (118) being connected to the power modules (12) by means of an adhesive (902), the signal adapter (118) being connected to the power modules (12) by means of a second pre-component (106.1), and the signal adapter (118) being connected to the power modules (12) by means of a second pre-component (106.1). The signal adapter (118) has a plurality of press-in pins (120) and a contact surface (602), the contact surface (602) being contactable by means of bonding wire connections via bonding wires (124) to the semiconductor components of the power modules (12), and the power modules (12) being connected to the cooling body (102) by means of a second pre-component (106.2) by means of a second integrally bonded connection to the cooling body (102).

The invention discloses a core-shell nanofiber / MnO2 composite membrane material as well as a preparation method and application thereof, and belongs to the technical field of air purification materials. The preparation method comprises the following steps: respectively dispersing a carbon material and a high-molecular polymer in a solvent, and mixing and stirring to obtain a shell solution; dissolving polyurethane and a two-component cross-linking agent in a solvent to obtain a core layer solution; preparing a core-shell nanofiber membrane from the shell layer solution and the core layer solution through a core-shell electrostatic spinning device, and then carrying out heat treatment; polyvinylpyrrolidone is added into a KMnO4 solution, the pH is adjusted, then the core-shell nanofiber membrane subjected to heat treatment is added, a hydrothermal reaction is conducted, and the composite material is obtained. The invention also discloses the core-shell nanofiber / MnO2 composite membrane material prepared by the preparation method and application of the core-shell nanofiber / MnO2 composite membrane material. The core-shell nanofiber / MnO2 composite membrane material disclosed by the invention can solve the problems of large damage degree to a base material and short service life in the preparation process of the existing supported MnO2 composite membrane material, and has a wide application prospect.

The application provides a semiconductor device with more uniform thermal stress distribution on the chip surface, which comprises a substrate of a first conductive type, a plurality of rows of units arranged along the longitudinal direction on the substrate, and a plurality of units arranged along the transverse direction in each row, wherein the units are active units, dummy units or dummy gate units; the active units, the dummy units and the dummy gate units are arranged in any proportion in the transverse direction and the longitudinal direction; the thermal stress on the surface of the semiconductor device is customized by adjusting the proportion of the active units, the dummy units and the dummy gate units in different regions or the length of the source region of the active units or the spacing of the units or the mesa width of the units. The semiconductor device adopts a non-repetitive unit structure layout, and the chip surface temperature is adjusted according to the designer's requirements by adjusting the unit layout or the unit structure; the thermal gradient on the chip surface can be reduced, the large thermal mechanical stress borne by the semiconductor package can be reduced, and the service life and reliability of the device and the interconnection structure thereof can be prolonged.

The present application relates to a kind of dyeing device for high-grade clothing fabric, comprising: dyeing box, for providing the dyeing space filled with dye liquor;Heating assembly, it is set in the bottom of the dyeing box and is used to heat the dye liquor and keep warm;Airflow stirring assembly, it is set in the lower region of the dyeing space, and is used to provide the bubble flow that disturbs the dye liquor;Dye liquor circulation assembly, it includes dye liquor circulation pipeline, the inlet end of the dye liquor circulation pipeline is connected in the upper region of the dyeing space, outlet end is connected in the upper of the airflow stirring assembly;Roller drive assembly, for guiding fabric to pass through the dyeing space, and complete dyeing job.Compared with prior art, the present application can improve the dyeing quality and efficiency of high-grade clothing fabric vulnerable to injury.

The embodiment of the present application provides a kind of binder, its manufacturing method, electrode sheet, lithium ion battery and wearable device.The binder includes supramolecule with beta-fold structure and linear molecule with linear structure, when binder is used in electrode sheet of lithium ion battery, supramolecule can still move freely along beta sheet, can effectively dissipate energy, reduce mechanical stress, so as to avoid the cracking and falling of electrode material doped with binder in electrode sheet after large deformation, and the beta-fold structure of supramolecule can promote supramolecule to restore to original state after external force is removed.Therefore, the binder provided in the embodiment can ensure that electrode material maintains stable shape and is closely covered on the surface of current collector, so as to ensure that electrode sheet maintains stable state in various severe deformations.

The utility model relates to a kind of air-cooled heat pump cooling devices, its innovation point is at:Including cooling unit and cooling water softening unit, the cooling unit includes water replenishing pipe and the filter, solenoid valve, pressurized water pump and universal atomizing nozzle being arranged on water replenishing pipe, the filter is close to the water inlet end of water replenishing pipe, the water outlet end of water replenishing pipe is equipped with the universal atomizing nozzle cooling the condenser of heat pump, the cooling water softening unit includes soft water equipment, first, second and third manual valve, the first manual valve is equipped on water replenishing pipe, and the first and second bypass branch pipes are equipped with with water replenishing pipe intercommunication on the two sides of first manual valve, the first bypass branch pipe is connected with the water inlet of soft water equipment, and is equipped with second manual valve, the second bypass branch pipe is connected with the water outlet of soft water equipment, and is equipped with third manual valve.The utility model can effectively reduce hot cold condenser temperature in high temperature season, improve heat pump refrigerating capacity, to ensure operating room constant temperature and humidity clean environment.

The application discloses a connector system for external laser pluggable modules, relates to the technical field of high-speed optical communication connection, and comprises a module-end connector and a host-end interface; the module-end connector comprises a main body and a buckle plate, the main body is provided with an assembly groove for mounting an MT module, and the buckle plate forms a clamping and fixing structure for the MT module after being buckled with the main body; the host-end interface comprises a base, a PCB and a buckle cover, a PIN pin base is arranged at the front end of the PCB, the rear end of the PCB is provided with an elastic compensation mechanism composed of a stop block, a spring and a baffle, and the elastic compensation mechanism is connected with the PIN pin base so that the PIN pin base can be elastically displaced along the plug-in direction. Through the split pre-assembly structure of the module-end connector and the host-end interface, the assembly process of the connector is simplified, the assembly efficiency and product consistency are improved, the assembly error is compensated through the elastic compensation mechanism, and the butt joint precision and connection reliability of the MT module and the PIN pin base are improved.

This utility model relates to a reaction device, a reaction vessel for resin production, including a stirring shaft and a vessel body. The lower end of the stirring shaft extends into the vessel body along the upper end and is connected to stirring blades and a trigger rod. The upper end of the stirring shaft is connected to a drive motor. The trigger rod includes a rod body perpendicular to the stirring shaft. A groove is formed along the axial direction of the end of the rod body away from the stirring shaft. Limiting grooves are formed on opposite sides of the inner wall of the groove, consistent with the direction of the groove. An alloy contact is provided in the groove. With the cooperation of a spring and a guide block, the alloy contact of this utility model can stably contact the spherical protrusion during stirring, generating regular vibration. This vibration can effectively drive the flow of reactants near the side wall in the vessel body, making the reactants more thoroughly mixed. At the same time, the vibration can reduce the adhesion of reactants to the side wall of the vessel body, significantly improving reaction efficiency, reducing material waste and equipment cleaning difficulty.

This invention discloses a distributed model predictive control method for offshore front-end speed-regulating wind turbines, belonging to the field of new energy power generation technology. The method decomposes the overall control task into three parallel subsystems: pitch control, hydraulic torque regulation, and excitation, and establishes local discrete predictive models for each. In each sampling period, rolling optimization of each subsystem is performed in parallel, and the future predicted trajectories of generator speed and terminal voltage are introduced as globally consistent variables. By constructing an augmented Lagrangian cost function based on the alternating direction multiplier method and iteratively solving it, the local predicted trajectories are driven to converge to the globally consistent optimal trajectory. Finally, the first instruction of the optimal control sequence obtained after iterative convergence is output to each actuator, achieving coordinated control of the three subsystems. This allows for rapid and smooth simultaneous satisfaction of frequency and voltage synchronization conditions before grid connection, effectively suppressing coupling interference and wind speed fluctuations, and improving grid connection quality and operational reliability.

The invention relates to the technical field of tunnel surrounding rock treatment trolleys, in particular to a multifunctional tunnel surrounding rock surface pretreatment and concrete spraying integrated trolley which comprises a trolley body, a guniting device and a vibration part are arranged on the trolley body, and the vibration part comprises a working box and further comprises a control arm. The working box is arranged on the control arm, a driving motor is arranged on the working box, a limiting assembly is arranged on the top in the working box in a sliding mode, a vibrating roller is arranged on the limiting assembly, a driving shaft connected with an output shaft of the driving motor is rotationally arranged in the working box, and a crankshaft assembly for driving the vibrating roller to vibrate is arranged on the driving shaft; through an overall structure with the synergistic effect of high-frequency multi-point driving, elastic resetting and double buffering, efficient, fine and low-damage pretreatment of the surface of tunnel surrounding rock is achieved, the defect of an existing guniting trolley in the pretreatment capacity is effectively overcome, and the problems of poor spraying layer adhesion, construction reworking and the like caused by insufficient surface treatment are solved.

The utility model relates to the technical field of board splitting machines, and discloses a board splitting mold for a PCB (printed circuit board) splitting machine, which comprises a storage frame, the upper surface of the storage frame is fixedly connected with a fixed frame, the inner wall of the fixed frame is connected with a mold body in a sliding manner, and the interior of the mold body is connected with a handle in a sliding manner. A fixing piece is fixedly connected to the lower surface of the handle, a sliding column is fixedly connected to the outer wall of the fixing piece, a limiting piece is slidably connected to the outer wall of the sliding column, a first spring is slidably connected to the outer wall of the sliding column, a limiting block is fixedly connected to the outer wall of the fixing piece, and a supporting assembly is arranged on the upper surface of the fixing frame. According to the utility model, the handle is driven so as to drive the fixed sheet, the fixed sheet drives the sliding column to slide, and the fixed sheet drives the limiting block to slide, so that the die can be more easily adapted to PCBs with different specifications and sizes, and in a production environment in which the die needs to be frequently replaced, the downtime can be obviously reduced, and the production efficiency can be improved.

The application provides a multi-motor synchronous force control method and system, and the method comprises the following steps: obtaining total expected force of the multi-motor; calculating sub-expected force of each motor in the multi-motor according to the characteristics of each motor; setting an outer feedback loop for controlling each motor to operate according to the corresponding sub-expected force, and taking the synchronization error of each motor as a feedback item of the outer feedback loop; and setting an inner feedback loop for controlling each motor to operate according to the corresponding sub-expected force, and taking the output force error of each motor as a feedback item of the inner feedback loop. The scheme can ensure the synchronization of the multi-motor movement under the premise of realizing accurate force control, realize accurate force control output of high power, and meet the actual industrial demand.

The utility model relates to the technical field of inductors, and discloses an inductor structure, which comprises an inductor shell, an aviation plug I and an aviation plug II, a PCB (printed circuit board) is arranged at the front position in the inductor shell, an antenna module adaptively matched with the PCB is mounted at the rear position in the inductor shell, and the aviation plug I and the aviation plug II are arranged in the inductor shell. Mounting grooves adaptively matched with the PCB and the antenna module are formed in the front end and the rear end of the inductor shell respectively, a front cover plate is mounted in the mounting groove in the front end of the inductor shell through fixing bolts, and a third rear cover plate is mounted in the mounting groove in the rear end of the inductor shell; by means of the second sealing ring, the third sealing ring and the first sealing ring, the probability that moisture permeates into the inductor shell is reduced when the inductor is used in a humid environment or makes contact with liquid, and therefore the probability that misjudgment frequently occurs on a circuit is reduced, the risks of connection looseness and signal interruption are reduced, and the accuracy of induction data is conveniently improved.