Abstract: Systems, methods, and other embodiments described herein relate to multiple three-dimensional (3D) structures formation from a network of circularly-packed structural elements. In one embodiment, a system includes a circularly-packed network of structural elements that form multiple 3D structures. Diameters of the structural elements define a shape of the 3D structures. The circularly-packed network is adaptable to form 1) a first 3D structure and 2) a second 3D structure with a different shape than the first 3D structure. The system also includes a set of joints that connect adjacent structural elements.

Abstract: The present disclosure provides a method and an apparatus for modeling a digital model of a production system, wherein the method comprises: dividing a process flow of the production system according to the process to obtain a plurality of process units to be constructed and link units; determining the process relationship between the process units, and constructing a digital model architecture, a flow model and an environment model; and constructing a digital model corresponding to the system flow according to the digital model architecture, the flow model and the external environment. With the solution of the present disclosure, it is able to realize the modeling of the process flow for complex production systems and improve the process control efficiency of the production system.

Abstract: An actuator is configured to provide an enhanced haptic or massaging sensation to a user. The actuator can include an outer body member. The actuator can include a push structure operatively connected to the outer body member. The push structure can be configured to rotate. When activated, the actuator can be configured to morph into an activated configuration in which a dimension of the actuator increases and such that a position of the push structure changes.

Abstract: A method for screening a key stratum for overburden separation grouting in a coal mine includes: selecting overall analysis objects based on coal mine planning; conducting a primary screening of the analysis objects based on a scope of a subsidence zone; conducting a secondary screening of the analysis objects based on whether there is an old goaf; determining key stratums for screened-in analysis objects, prioritizing the key stratums based on a number of separation spaces and a range of a separation height, setting a safe height based on a diversion fissure zone, and prioritizing numbers of groutable layers based on a potential separation space and a water resistance of a rock stratum; prioritizing the groutable layers based on a fault impact; and comprehensively analyzing grouting priority levels of the key stratums based on results of the three prioritizations, and grouting separation layers of the key stratums in order of priority.

Abstract: The invention relates to the technical field of process industry, and discloses a modeling method, a generating method, a device and a medium of a link unit. The modeling method comprises the following steps: build an inlet pipeline model; build an outlet pipeline model; build a functional equipment group model to obtain a digital model of a link unit, wherein the functional equipment group model comprises at least one functional equipment, and the types of functional equipment include at least one of the following: a buffer, a stirrer and a pressurizer, and whether each functional equipment is connected to a communication pipeline is controlled by a equipment regulator. The present disclosure can be used to integrate pipelines, buffers, stirrers, pressurizers, regulators, etc. between processes. The structured link unit greatly simplifies the building process of complex production system models.

Abstract: A shape-morphing structure includes a cold draw programmable grayscale digital light processing 3D printed unitary hinge component comprising at least one glassy state portion and at least one rubbery state portion. The at least one glassy state portion has a glassy state recovery temperature and the at least one rubbery state portion has a rubbery state recovery temperature and different than the glassy state recovery temperature.

Abstract: A vehicle step system with a rectangular body and a step portion stowable in and extendable from the rectangular body. The step portion has first and second steps with a bi-folding assembly. The rectangular body encases the step portion in a stowed position with the first step stacked on top of the second step. In the extended position, the first step is forward of and lower than the rectangular body, whereas the second step is forward of and above the rectangular body.

Abstract: Systems, methods, and other embodiments described herein relate to creating a part database to aid in assembling parts into a vehicle. In one embodiment, a method includes acquiring a bill of materials (BOM) identifying at least parts included within a vehicle build. The method includes generating a unique identifier for the BOM by determining identifiers of the parts and a quantity of each of the parts within the BOM; merging the identifier and the quantity of each of the parts into an array; and hashing the array into the unique identifier. The method includes storing the unique identifier as a primary key for the BOM within a database that includes BOMs of vehicles and assemblies.

Abstract: An actuator is configured to provide an enhanced haptic or massaging sensation to a user. The actuator can include an outer body member. The actuator can include a push structure operatively connected to the outer body member. The actuator can include a massaging element movably connected to the push structure. When activated, the actuator can be configured to morph into an activated configuration in which a dimension of the actuator increases and such that a position of the push structure changes. When the massaging element can be brought into operative contact with an object so as to cause a movement of the massaging element. As a result, the massaging element can move from a neutral position to a moved position.

Abstract: A flexible mechanism-based anti-backlash device for a planetary gear train, a gearbox, and a robot joint are provided. The anti-backlash device includes an integrated flexible planet carrier, an adjusting screw and a spring, the integrated flexible planet carrier is provided with a moving platform, the moving platform is provided with a spring hole, and the spring is sleeved outside the screw and is installed in the spring hole; when the threaded connection depth of the adjusting screw and the integrated flexible planet carrier reaches or exceeds a set depth, the adjusting screw can extrude the spring to make the moving platform generate elastic movement along a radial direction of the integrated flexible planet carrier, and the radial elastic movement is transformed into circumferential elastic rotation of a planet carrier bearing hole around the center of the planet carrier through an elastic connector.

Abstract: Methods, systems, and apparatus for a conveyor assembly. The conveyor assembly includes a conveyor, at least one stationary track positioned parallel to the conveyor, a process dolly configured to operatively couple to the at least one stationary track, and a syncing apparatus configured to couple to the process dolly and operatively couple to the conveyor. The syncing apparatus is configured to lock the process dolly in place along the conveyor such that the process dolly moves together with the conveyor with respect to the at least one stationary track.

Abstract: An apparatus and a method are provided for a modular intercooler block that may be fabricated by way of direct metal printing and assembled to form larger intercoolers. The modular intercooler block comprises cooling fins that are spaced between first and second core headers to allow passage of an airstream. Countersunk holes are arranged on the first and second core headers and configured to receive grommets when the first or second core header is fastened to another core header comprising similarly arranged countersunk holes. A core tube extends along an undulating path from each countersunk hole in the first core header, through the multiplicity of cooling fins, to a similar countersunk hole in the second core header. The core tubes may include thin copper walls and spiraled inner passages to enhance heat transfer to the airstream passing through the multiplicity of cooling fins.

Abstract: The present disclosure belongs to the field of computational hydraulics and aims at providing a construction method and system for a hydrodynamic joint computation model, a device, and a medium.

Abstract: An air guide for a vehicle having a pair of side members. The air guide includes a base member having a pair of opposing ends and a pair of attachment members configured to be coupled to the pair of side members. Each of the pair of attachment members are coupled to a respective opposing end of the base member for movement between a folded position, an unfolded position, and an attachment position between the folded position and the unfolded position.

Abstract: Vehicles and systems for modular power source storage. A vehicle may include a power source detachable from the vehicle. The power source may supply power to the vehicle and a remote device. The vehicle may further include a cargo bed that stores the power source. The cargo bed or a portion of the cargo bed may be removable from rest of the vehicle along with the power source.

Abstract: A Raney copper catalyst, a preparation method and use thereof are provided. The Raney copper catalyst includes aluminum, copper and a metal promoter, wherein the metal promoter comprises a combination of one or more of Ni, Fe, Mo, Co, Ag, Pd, Pt, Au and other elements. The preparation method includes performing high-temperature melting on a mixture containing a copper/aluminum alloy and the metal promoter to obtain a mixed metal cured compound, then smashing the mixed metal cured compound to obtain a catalyst precursor, and subsequently activating to obtain the Raney copper catalyst. The Raney copper catalyst exhibits a capability on hydrogenation reaction based on synergistic effects between metal copper and different promoter metals. Compared with the Raney copper catalyst without metal promoters, when used for preparing 1,3-propanediol through hydrogenation of 3-hydroxypropionaldehyde aqueous solution, the Raney copper catalyst is higher in activity and better in stability.

Abstract: A method for training an artificial neural network including classifiers for material characterization. The method includes obtaining functional data having phase and amplitude, registering functional data by phase-amplitude separation and statistical analysis on the phase-amplitude separated data with an elastic distance to produce aligned functional data, performing dimensional reduction on the aligned functional data to produce a dimensional representation of the functional space, performing, by a computer system, a training operation to train an artificial neural network based on the dimensional representation of the functional space. A method and system for material characterization is also disclosed.

Abstract: A deployable mine clearance device is provided and comprises one or more blade members that are movable from a stowed position to a deployed position.

Abstract: The invention relates to a method for preparing nicotinamide mononucleotide by using nicotinamide as a raw material, which comprises: in acetonitrile, dichloromethane, 1,2-dichloroethane or liquid sulfur dioxide as a solvent, allowing nicotinamide and tetraacetyl ribose to react as catalyzed by trimethylsilyl trifluoromethanesulfonate or tin tetrachloride, adjusting a pH value thereof to 3-5, adding a sodium methoxide solution thereto to react at ?15° C. to 5° C., adjusting a pH value thereof to 3-5, and subjecting the reaction mixture to microfiltration and nanofiltration using a membrane concentrator, thereby obtain a nicotinamide ribose solution; allowing the nicotinamide ribose solution to react as catalyzed by nicotinamide ribokinase in the presence of Mg ions, ATP and a buffer, thereby obtaining nicotinamide mononucleotide.