Abstract: An industrial robot motion accuracy compensation method includes: establishing a motion parameter database, wherein the motion parameter database includes a plurality of different reference operating conditions and a motion parameter of the industrial robot corresponding to each reference operating condition, and each reference operating condition is formed by combining each element in each set in a total set of operation conditions; acquiring a current operating condition of the industrial robot; determining whether there is a reference operating condition matched with the current operating condition in the motion parameter database; if yes, taking a motion parameter corresponding to the matched reference operating condition as a motion parameter corresponding to the current operating condition; if no, performing an interpolation on a motion parameter corresponding to the current operating condition, and taking an interpolation result as the motion parameter corresponding to the current operating condition.

Abstract: The present invention relates to a neural network-based high-resolution image restoration method and system, including: performing feature extraction on a target frame in a network input to obtain a first feature, performing feature extraction on a first frame and an adjacent frame and an optical flow between the first frame and the adjacent frame to obtain a second feature, and concatenating the first feature and the second feature to obtain a shallow layer feature; performing feature extraction and refinement on the shallow layer feature to obtain a plurality of output first features and a plurality of output second features; performing feature decoding on the plurality of output second features, and concatenating decoded features along channel dimensionality to obtain features; and performing weight distribution on the features to obtain final features, and restoring an image. The present invention can effectively help to improve image quality.

Abstract: An industrial robot motion accuracy compensation method includes: establishing a motion parameter database, wherein the motion parameter database includes a plurality of different reference operating conditions and a motion parameter of the industrial robot corresponding to each reference operating condition, and each reference operating condition is formed by combining each element in each set in a total set of operation conditions; acquiring a current operating condition of the industrial robot; determining whether there is a reference operating condition matched with the current operating condition in the motion parameter database; if yes, taking a motion parameter corresponding to the matched reference operating condition as a motion parameter corresponding to the current operating condition; if no, performing an interpolation on a motion parameter corresponding to the current operating condition, and taking an interpolation result as the motion parameter corresponding to the current operating condition.

Abstract: A predictive maintenance system and method for intelligent manufacturing equipment is provided. The predictive maintenance system includes a first-stage predictive maintenance module, a second-stage predictive maintenance module, and a maintenance decision module. The first-stage predictive maintenance module includes an acquisition module, a human-computer interaction module, a calculation module, and a storage module. The second-stage predictive maintenance module includes a communication module, a setting module, and a prediction module. The maintenance decision module is configured to receive a first-stage remaining service life calculated by the first-stage predictive maintenance module and a second-stage remaining service life predicted by the second-stage predictive maintenance module, and determine a predictive maintenance strategy of the intelligent manufacturing equipment according to the first-stage remaining service life and the second-stage remaining service life.

Abstract: The present disclosure provides a periodic time slot scheduling method for a wireless network. The method includes: connecting a plurality of nodes by using a wireless network; constructing time slot parameter sets of nodes in the wireless network and an interval array between time slots of each of the nodes; calculating an acceptable total time interval of each of the nodes in the wireless network, selecting a node with a minimum acceptable total time interval in the wireless network as a time slot allocation node, allocating a time slot for each time slot request of the time slot allocation node, and allocating a time slot for each time slot request of a remaining node except the time slot allocation node in the wireless network; and detecting and determining a delay of time slot allocation.

Abstract: The present disclosure selects a node generating a periodic time slot request in a network to construct a set of periodic time slot request generation nodes, and constructs a time slot request cycle set; selects a node generating an aperiodic time slot request in the network to construct a set of aperiodic time slot request generation nodes, and constructs a time set of the aperiodic time slot request generation nodes; calculates a time slot contention scheduling parameter of each node in the set of the periodic time slot request generation nodes; and if no aperiodic time slot request arrives, allocates a time slot to each time slot requesting node during periodic time slot scheduling; or if an aperiodic time slot request, namely, a sporadic time slot request, arrives, performs rescheduling through hybrid time slot scheduling based on arrival time of the aperiodic time slot request.

Abstract: A computer-implemented method for optimizing the placement of previously selected breaks in a media item is provided herein. Embodiments of the method include steps of identifying a break in a media item, the break being associated with a first break point at a first time during playback of the media item. The method may also include steps of dynamically adjusting the placement of the breaks within the media item based on the performance of the media item.

Abstract: The present invention provides a digital optical fiber-based distributed signal control system. The system mainly comprises a wireless signal access control module, a detection module, and a private network module. By means of reasonable frequency allocation and pre-selection filtering processing, modules can work together to implement control and detection of unauthorized mobile phone signals and guarantee communications of legal mobile phones, thereby achieving efficient coverage of a signal control area. A main control signal generated by a main control signal unit (SU) and an auxiliary control signal generated by a remote unit (RU) are mixed according to an algorithm, to achieve a better control effect in the entire signal control area.

Abstract: A light-emitting chip includes a light-emitting unit, first and second electrode units. The light-emitting unit includes first and second conductivity type semiconductor layers and an active layer. The first electrode unit includes two first electrodes which are spaced apart from each other by a first distance, and which are electrically connected to the first conductivity type semiconductor layer. The second electrode unit includes two second electrodes electrically connected to the second conductivity type semiconductor layer. The first and second electrode units are spaced apart from each other by a second distance, and the first distance is greater than the second distance.

Abstract: A computer-implemented method for optimizing the placement of previously selected breaks in a media item is provided herein. Embodiments of the method include steps of identifying a break in a media item, the break being associated with a first break point at a first time during playback of the media item. The method may also include steps of dynamically adjusting the placement of the breaks within the media item based on the performance of the media item.

Abstract: A light-emitting device includes a number (N) (not smaller than two) of light-emitting units, a interconnect structure connecting the light-emitting units in series, first and second electrodes, and an auxiliary electrode structure. The light-emitting units each having an light-emitting stack having first and second semiconductor layers of opposite doping types and an active layer. The first and second electrodes are respectively connected to the first semiconductor layer of a first light-emitting unit and the second semiconductor layer of an Nth light-emitting unit. The auxiliary electrode structure is connected to the light-emitting stack of at least one of the light-emitting units.

Abstract: A light-emitting diode (LED) chip includes a semiconductor epitaxial structure, an insulating substrate, a first metal layer, and a second metal layer. The semiconductor epitaxial structure includes a first semiconductor epitaxial layer, a second semiconductor epitaxial layer, and a light-emitting layer interposed between the first semiconductor epitaxial layer and the second semiconductor epitaxial layer. The insulating substrate has two opposite surfaces, and the first and second metal layers are respectively disposed on the two surfaces of the insulating substrate. An LED device and an LED lamp including the LED chip are also disclosed.

Abstract: The present disclosure relates to a swing bearing and a wearable device. The swing bearing includes an inner ring, an outer ring, and a plurality of rolling elements, a plurality of first grooves arranged at intervals along a circumferential direction being formed on an outer circumferential surface of the inner ring, a plurality of second grooves arranged at intervals along a circumferential direction being formed on an inner circumferential surface of the outer ring, each rolling element being disposed between the corresponding first groove and the second groove, and the rolling element, the first groove, and the second groove being configured to restrict relative rotational movement between the inner ring and the outer ring and allow the inner ring and the outer ring to produce shaft axis deflection movement.

Abstract: The present invention relates to a static compliance performance testing device applied to an industrial robot, comprising a loading direction adjusting component and a loading force adjusting component, wherein the force applying end of the loading direction adjusting component is connected with an end mechanical interface of the industrial robot, and is configured to adjust a force bearing direction of the end mechanical interface. The loading force adjusting component comprises a lever, a first-stage weight and a second-stage weight, the lever is provided with a fixing part and is rotatable around the fixing part, the force bearing end of the loading direction adjusting component is connected with the lever, the first-stage weight is suspended on the lever, the second-stage weight is suspended on the lever and is movable along the lever, the weight of the first-stage weight is larger than the weight of the second-stage weight.

Abstract: A light emitting diode includes a semiconductor layer sequence stack, a reflective polarizing layer and a diffuse reflection structure. The semiconductor layer sequence stack includes first and second semiconductor layers, and a light emitting layer disposed therebetween. The reflective polarizing layer is disposed on the semiconductor layer sequence stack. The diffuse reflection structure is disposed on the light emitting layer opposite to the reflective polarizing layer. A light emitting device including the light emitting diode, and a projector including the light emitting device are also provided.

Abstract: A light-emitting device includes a lead frame having a first surface on which a patterned conductive layer is provided, and a light-emitting element. The light-emitting element includes an insulating substrate formed on the first surface, a plurality of light-emitting units formed on the insulating substrate, at least one first electrode, at least one second electrode and at least a pair of bonding wires. The first and second electrodes are respectively placed in electrical connection with a first one and a second one of the light-emitting units, and are disposed outward of the light-emitting units. Each of the pair of bonding wires is disposed to electrically connect a respective one of the first and second electrodes to the patterned conductive layer.

Abstract: A digital optical fiber-based distributed signal control system mainly comprises a wireless signal access control module, a detection module, and a private network module. By means of reasonable frequency allocation and pre-selection filtering processing, modules can work together to implement control and detection of unauthorized mobile phone signals and guarantee communications of legal mobile phones, thereby achieving efficient coverage of a signal control area. A main control signal generated by a main control signal unit (SU) and an auxiliary control signal generated by a remote unit (RU) are mixed according to an algorithm, to achieve a better control effect in the entire signal control area.

Abstract: A light emitting device includes at least one light emitting unit that includes an insulating layer, a first electrically conductive layer, and a semiconductor layer structure having at least one recess. The first electrically conductive layer and the insulating layer extend into the recess. A contact area between a conductive protrusion portion of the first electrically conductive layer and a first-type semiconductor layer of the semiconductor layer structure is larger than 1.5% of an area of a bottom surface of the first-type semiconductor layer. A method for producing the light emitting device is also disclosed.

Abstract: A signaling-type method for mobile phone signals, comprising: establishing a shielding processing system, and ensuring that the frequency reference of said system is synchronized with that of a base station; using the feature that a frame signal of a base station is repeatedly transmitted according to a frame period of the base station, receiving the frame signal of the base station at different times; performing filtering processing on the frame signals of the base station using a frame averaging method, so as to obtain purified frame reference signals of the base station; and using the purified frame reference signals to shield the base station.

Abstract: The present disclosure relates to a swing bearing and a wearable device. The swing bearing includes an inner ring, an outer ring, and a plurality of rolling elements, a plurality of first grooves arranged at intervals along a circumferential direction being formed on an outer circumferential surface of the inner ring, a plurality of second grooves arranged at intervals along a circumferential direction being formed on an inner circumferential surface of the outer ring, each rolling element being disposed between the corresponding first groove and the second groove, and the rolling element, the first groove, and the second groove being configured to restrict relative rotational movement between the inner ring and the outer ring and allow the inner ring and the outer ring to produce shaft axis deflection movement.