Abstract: A vibration suppression method for a servo motor and a load multistage drive system is provided. For a number N of fixed vibration frequencies and one vibration frequency varying with a load position existing in a multistage drive mechanism, a number of N+1 vibration suppression filters are adopted, and each filter is configured to eliminate a corresponding vibration frequency. Fixed vibration frequencies and a vibration frequency varying with a load position in a multistage drive system are measured by using an offline method, and the varied vibration frequencies are made into a two-dimensional table related to the load positions. The fixed vibration frequencies are eliminated by using fixed-frequency parameter vibration suppression filters; and the varied vibration frequencies are eliminated by using a variable-frequency parameter vibration suppression filter, and the vibration frequencies are obtained in real time according to the load positions and the two-dimensional table.

Abstract: Embodiments may relate to a wavelength-division multiplexing (WDM) transceiver that has a silicon waveguide layer coupled with a silicon nitride waveguide layer. In some embodiments, the silicon waveguide layer may include a tapered portion that is coupled with the silicon nitride waveguide layer. In some embodiments, the silicon waveguide layer may be coupled with a first oxide layer with a first z-height, and the silicon nitride waveguide layer may be coupled with a second oxide layer with a second z-height that is greater than the first z-height. Other embodiments may be described or claimed.

Abstract: A method is provided for determining a sample genome from a plurality of read fragments and a reference genome. The method includes: (i) applying a first putative variant event, selected from a set of candidate variant events, to the sample genome to update the sample genome; (ii) mapping the plurality of read fragments to the updated sample genome; (hi) based on the mapping of the plurality of read fragments to the updated sample genome, determining a first read mapping cost function; and (iv) based on the first read mapping cost function, retaining the updated sample genome and removing the first putative variant event from the set of candidate variant events.

Abstract: A modulator and method of fabrication thereof are provided. In various embodiments, the modulator is a Franz-Keldysh (FK) effect electro-absorption modulator. In an example embodiment, the modulator comprises a waveguide column formed from waveguide material deposited onto a substrate; a first contact layer doped with a P-type dopant and deposited on a first side of the waveguide column; a second contact layer doped with an N-type dopant and deposited on a second side of the waveguide column; and first and second contacts. The first contact is in electrical communication with the first contact layer and the second contact is in electrical communication with the second contact layer.

Abstract: A computer-implemented method for predicting whether a molecule will be a good mosquito repellent is disclosed. The method includes obtaining a machine-learned prediction model obtained by transfer learning. The model has been trained using a first, larger training dataset for an odour prediction task and with a second, smaller training dataset for predicting whether a molecule would function as a mosquito repellent. The method further includes obtaining input data that describes a chemical structure of a selected molecule, providing the input data that describes the chemical structure of the selected molecule as input to the machine-learned prediction model, receiving prediction data descriptive of whether the selected molecule would be a good mosquito repellent as an output of the machine-learned sensory prediction model and providing the prediction data as output.

Abstract: An electronic equipment with an immersion cooling system includes a sealed tank filled with an electrically non-conductive liquid which is a single-phase electrically non-conductive liquid; a plurality of slots disposed in the sealed tank; at least one electric unit removably inserted in the plurality of slots and including at least one heat source; and an air supply unit disposed in the sealed tank. The air supply unit includes a ventilation tube unit and a plurality of air diffuser. The plurality of air diffusers is coupled with the ventilation tube unit, is immersed in the electrically non-conductive liquid, and is configured to generate bubbles for stirring the electrically non-conductive liquid.

Abstract: A motor includes a casing, a stator, and a rotor. The casing includes an inner periphery having a plurality of first assembling structures. The stator is disposed on the casing and includes a plurality of magnetic pole modules each of which is independently separable. Each of the plurality of magnetic pole modules includes at least one second assembling structure. Each of the plurality of magnetic pole modules is detachably coupled in an axial direction to the casing by coupling each of the at least one second assembling structure to an associated one of the plurality of first assembling structures. The rotor is rotatably disposed within the stator. An air gap is formed between the rotor and the stator.

Abstract: A wing model for static aeroelasticity wind tunnel test belongs to the technical field of aeroelasticity tests. In the wing model, the model steel joint and the spar frame are connected with the composite material skin. The piezometer wing ribs are arranged among the spar frame and the plurality of supporting wing ribs. The embedded piezometer tubes are arranged in the piezometer wing ribs, the lightweight filling foam is arranged among the spar frame and the plurality of supporting wing ribs. An outer surface of a frame segment formed by the lightweight filling foam, the plurality of supporting wing ribs, the piezometer wing ribs and the spar frame is covered with the composite material skin. The frame segment is assembled on the model steel joint to form the wing model for the static aeroelasticity wind tunnel test.

Abstract: The present invention provides a method for preparing an in-situ ternary nanoparticle-reinforced aluminum matrix composite (AMC). In this method, an in-situ reaction generation technique is used, and with a powder containing formation elements for producing reinforcing particles as a reactant, in conjunction with a low-frequency rotating magnetic field/ultrasonic field regulation technique, an aluminum-based composite material is prepared using nanoparticle intermediate alloy re-melting. An AA6016-based composite material reinforced by ternary nanoparticles has an average particle size of 65 nm, and has an obvious refinement phenomenon compared with unitary and dual-phase nanoparticles.

Abstract: A graphene and in-situ nano-ZrB2 particle-co-reinforced aluminum matrix composite (AMC) and a preparation method thereof are provided. The preparation method includes: heating an aluminum alloy for melting, adding potassium fluoroborate and potassium fluorozirconate to produce ZrB2 particles in-situ, additionally adding a mixture of pre-prepared copper-coated graphene and an aluminum powder, and stirring with an electromagnetic field for uniform dispersion; and ultrasonically treating the resulting melt to improve the dispersion of the in-situ nano-ZrB2 particles and the graphene, casting for molding to obtain a casting, and subjecting the casting to homogenization and rolling for deformation to obtain the graphene and in-situ nano-ZrB2 particle-co-reinforced AMC. The in-situ generation of the reinforcement nano-ZrB2 particles in an aluminum alloy melt increases the number of interfaces in the composite and also increases the dislocation density.

Abstract: A motor includes a plurality of stator modules, a plurality of circuit boards, a rotor, and a sensing module coupled to the circuit boards. The stator modules are detachably assembled into a stator assembly. Each stator module includes pole posts and coils of different phases wound around the pole posts. Each circuit board is electrically connected to the coils of an associated stator module. Each circuit board independently switches the associated stator module between the different phases. A power source supplies power to the coils via the circuit boards. The rotor includes at least one magnetic member which has magnetic poles corresponding to the coils of the stator modules. The sensing module detects a magnetic field change of the at least one magnetic member responsive to a movement of the rotor, determines a rotational position of the rotor, and informs each circuit board about the rotational position of the rotor.

Abstract: The present disclosure discloses a method for the preparation of sulfinpyrazone, which is produced in two steps with a total yield of 48%, wherein thiophenol as the starting material is electrocatalytically coupled with dichloroethane to obtain 2-chloroethyl phenyl sulfoxide, which then undergoes a substitution reaction with 1,2-diphenyl-3,5-pyrazolidinedione to produce sulfinpyrazone. Compared with the prior art, the present method is characterized by high yield, short steps, less three wastes, good chemical selectivity, no need to use strong bases and oxidants, safe and simple operation, and easy to realize industrial production.

Abstract: A zero-Poisson-ratio honeycomb structure and an interlocking assembly manufacturing method thereof are provided. The honeycomb structure is formed by combining a four-pointed star shaped structure and horizontal and vertical honeycomb wall arrays at star corners. The zero-Poisson-ratio honeycomb structure not only has the zero-Poisson-ratio characteristic, but also can achieve respective design of in-plane and out-of-plane mechanical properties. Meanwhile, due to the existence of the horizontal honeycomb walls and the vertical honeycomb walls, the connection of multiple honeycomb walls at angular points in the honeycomb structure is avoided. Moreover, a novel manufacturing mode is provided for the honeycomb structure in addition to prepare the honeycomb structure by utilizing a 3D printing process. The honeycomb structure can be manufactured by combining an interlocking assembly process with resin matrix composites. The performance of the honeycomb structure is further improved at the material level.

Abstract: A pressure measuring device for a scale model for elastic similar structure of a wing in a large transport plane adopts a bracket for pressure measuring steel pipes formed by 3D printing, shapes of an upper surface and an lower surface of the bracket are completely the same as local airfoile profiles of a skin at required pressure measuring positions, and the upper surface and the lower surface of the bracket are bonded to the skin and wing beams; a pressure measuring hose is connected with the pressure measuring steel pipe, and the pressure measuring steel pipe is embedded into the bracket and fixed to it; the upper surface and the lower surface of the bracket are provided with semi-cylindrical convex structures; and the pressure measuring steel pipe extends out of the pressure measuring hole in the surface of the skin for pressure measuring steel pipe in the bracket.

Abstract: Embodiments described herein may be related to apparatuses, processes, and techniques directed to a planar germanium photodetector that includes n-type and p-type amorphous silicon deposits on a germanium slab. During operation, a uniform electrical field is formed across the germanium bulk between the amorphous silicon deposits. Other embodiments may be described and/or claimed.

Abstract: A graphene and in-situ nano-ZrB2 particle-co-reinforced aluminum matrix composite (AMC) and a preparation method thereof are provided. The preparation method includes: heating an aluminum alloy for melting, adding potassium fluoroborate and potassium fluorozirconate to produce ZrB2 particles in-situ, additionally adding a mixture of pre-prepared copper-coated graphene and an aluminum powder, and stirring with an electromagnetic field for uniform dispersion; and ultrasonically treating the resulting melt to improve the dispersion of the in-situ nano-ZrB2 particles and the graphene, casting for molding to obtain a casting, and subjecting the casting to homogenization and rolling for deformation to obtain the graphene and in-situ nano-ZrB2 particle-co-reinforced AMC. The in-situ generation of the reinforcement nano-ZrB2 particles in an aluminum alloy melt increases the number of interfaces in the composite and also increases the dislocation density.

Abstract: A planetary gear assembly for a drum washing machine and a washing machine are provided. The planetary gear assembly includes a planetary gear component. The planetary gear component includes a planet carrier, a plurality of planetary gears rotatably mounted to the planet carrier separately and configured to be meshed with a main shaft separately, the main shaft being configured to drive a drum to rotate in a drum washing machine; and a planetary gear outer teeth casing fitted over an outer side of the plurality of planetary gears, meshed with the plurality of planetary gears separately, and configured to be in transmission connection with an agitator in the drum.

Abstract: A photodetector structure over a partial length of a silicon waveguide structure within a photonic integrated circuit (PIC) chip. The photodetector structure is embedded within a cladding material surrounding the waveguide structure. The photodetector structure includes an absorption region, for example comprising Ge. A sidewall of the cladding material may be lined with a sacrificial spacer. After forming the absorption region, the sacrificial spacer may be removed and passivation material formed over a sidewall of the absorption region. Between the absorption region an impurity-doped portion of the waveguide structure there may be a carrier multiplication region, for example comprising crystalline silicon. If present, edge facets of the carrier multiplication region may be protected by a spacer material during the formation of an impurity-doped charge carrier layer. Occurrence of edge facets may be mitigated by embedding a portion of the photodetector structure with a thickness of the waveguide structure.

Abstract: a dilatable balloon catheter, comprising: a guide wire inserted and disposed in the inside of the catheter, an operation portion is fixedly connected to one end of the catheter, a balloon is disposed at the outer side of the catheter remote from the operation portion, the lumen of the catheter and the inner cavity of the balloon are connected by a communication structure provided on the catheter, the guide wire includes a first guide wire and a second guide wire which are separated from each other, the rear end of the first guide wire is connected to insertion-extraction structure in the rear end of the operation portion, the second guide wire is fixed to the inside of the catheter by a fixing process.

Abstract: Implementations include processing a set of documents using an auto-encoder to provide a first sub-set of documents, the first sub-set of documents including electronic documents with a relatively high likelihood of providing true positives in an auditing process, processing a sub-set of documents using a set of auto-generated rules to provide a second sub-set of documents, the second sub-set of documents including electronic documents with a relatively high likelihood of providing false positives in an auditing process, and defining a master set of documents for the auditing process based on the sub-set of documents, the first sub-set of documents, and the second sub-set of documents, the master set of documents including at least a portion of the sub-set of documents, and at least a portion of the first sub-set of documents, and being absent the second sub-set of documents.