Abstract: A liquid crystal on silicon, a wavelength selective switch, an alignment direction obtaining method, and a method for manufacturing a liquid crystal on silicon. The liquid crystal on silicon has a first pixel area, and a first liquid crystal located in the first pixel area. The first liquid crystal is deflected in a plane perpendicular to a first panel, and is deflected towards a first direction in a plane parallel to the first panel. An alignment direction of the first partial alignment film located in the first pixel area is deflected towards a second direction relative to a polarization direction of an incident beam, and the second direction is opposite to the first direction to reduce a loss of a deflected beam.

Abstract: Embodiments of the present disclosure relate to a method and apparatus of scheduling welding operations. In an embodiment of the present disclosure, the method includes identifying seams on a welding object in a three-dimensional model for the welding object based on geometry of bodies contained in the welding object. The method also includes determining a welding sequence based on the seams, welding parameters and welding process requirements. The method further includes generating an operation procedure for a welding robot based on another three-dimensional model for the welding robot, the welding sequence, robot path parameters and the welding parameters to schedule the welding operations of the welding object.

Abstract: A method for calibration of work piece mounted in a predetermined manner to a work object and a robot system using the same. The work object has a first surface, a second surface and a third surface, and wherein the work object frame of reference is defined by a first coordinate line, a second coordinate line, and a third coordinate line at intersections of the first surface, the second surface and the third surface converging on a point.

Abstract: A conveyor includes a conveyor belt, a sensor and a controller, wherein the sensor includes a light ray generator, a light ray receiver and at least one baffle. The controller is connected with the light ray receiver for controlling the conveyor belt to stop moving in response to a signal fed back by the light ray receiver that the conveyed product has been conveyed to the end of the conveyor belt. The baffle has a light transmission hole to let the light ray emitted from the light ray generator pass through. The gap between a lower edge of the baffle and the conveyor belt is smaller than the thickness of the conveyed product. When the baffle is impinged by the conveyed product, the baffle will move along the conveying direction of the conveyor belt so as to block the light ray emitted from the light ray generator.

Abstract: A method, system and apparatus of determining search parameters for welding seam point calibration. The method includes determining, for a seam vertex point on a welding seam, three reference faces which are perpendicular to each other, based on geometry of an object to be weld in a virtual model; and determining a start point and a search point of a search motion for welding seam point calibration based on the three reference faces and predetermined criteria respectively for the start point and the search point. Three reference faces can be extracted automatically, and search parameters needed for the search instructions can be determined based thereon which enables automatic generation of search instructions and thus the time, manpower and cost for the welding seam point calibration can be reduced greatly.

Abstract: Disclosed in the present disclosure is a mobility optimization method. The method includes that a User Equipment (UE) having a small data feature performs, when determining that a cell supporting an optimized small data processing capability exists in candidate cells during execution of cell reselection, the cell reselection according to information of a small data priority cell reselection principle.

Abstract: A method and a system for machining a work piece by a machining tool are provided. The method includes relatively moving the machining tool against the work piece to apply machining feeds therebetween. The contact points at the work piece are arranged on the area of the work piece to be machined, and the contact points at the machining tool form a curve on the machining tool surface. The system includes a manipulator, a machining tool and a controller being adapted for controlling the manipulator to operate the machining tool according to the method as above. With this solution, the system can generate wave paths of a machining tool, so as to extend the life of the tool and ensure the processing quality.

Abstract: A robot off-line programming method. The method includes: respectively obtaining a first data representing positions and orientations of the plurality of targets on at least one work piece, a second data representing position of the at least one work piece, a third data representing geometry of a tool, and a fourth data representing the tool position and orientation with respect to an end of the robot; obtaining the robot path for which the tool tip passes through the plurality of the targets on the at least one work piece; using a function of an inverse kinematics for the robot model in consideration of the first data, the second data, the third data and the fourth data, calculating how many of the targets on the obtained robot path are reachable to the tool in relation to various rotation angle of the tool around the tool axis within a predetermined range so as to comply with optimization criteria.

Abstract: A conveyor includes a conveyor belt, a sensor and a controller, wherein the sensor includes a light ray generator, a light ray receiver and at least one baffle The controller is connected with the light ray receiver for controlling the conveyor belt to stop moving in response to a signal fed back by the light ray receiver that the conveyed product has been conveyed to the end of the conveyor belt. The baffle has a light transmission hole to let the light ray emitted from the light ray generator pass through. The gap between a lower edge of the baffle and the conveyor belt is smaller than the thickness of the conveyed product. When the baffle is impinged by the conveyed product, the baffle will move along the conveying direction of the conveyor belt so as to block the light ray emitted from the light ray generator.

Abstract: The present invention discloses a method and system for machining a work piece by a machining tool, and a robot system using the same. The method comprises: defining a customized contact point on the machining tool by setting a contact point height of the machining tool; moving the machining tool against the work piece to apply predefined machining feeds. Compared with the existing prior arts, the proposed method and system improves machining efficiency and accuracy. With the method and system according to the present disclosure, high machining efficiency could be achieved as well as collisions could be avoided.

Abstract: A method and an apparatus of identifying welding seams of a welding object. The method includes identifying intersection lines between geometrical bodies of the welding object in a three-dimensional model for the welding object, based on geometry of the geometrical bodies to form a collection of welding seams for the welding object. The method also includes eliminating hidden seams from the collection of welding seams for the welding object based on overlapping relationship among the welding seams to form a candidate seam list. Welding seams can be identified automatically and efficiently, and the method or the apparatus makes the automatic programming of the welding robot possible and thus facilitates use of a robot in welding huge and complex structures manufactured in a small batch.

Abstract: Embodiments of the present disclosure relate to a method and apparatus of scheduling welding operations. In an embodiment of the present disclosure, the method includes identifying seams on a welding object in a three-dimensional model for the welding object based on geometry of bodies contained in the welding object. The method also includes determining a welding sequence based on the seams, welding parameters and welding process requirements. The method further includes generating an operation procedure for a welding robot based on another three-dimensional model for the welding robot, the welding sequence, robot path parameters and the welding parameters to schedule the welding operations of the welding object.

Abstract: A lighting jig. The lighting jig includes: a tray, a support frame, and an angle adjusting mechanism. The tray is movably connected to the support frame via the angle adjusting mechanism. The tray is configured to carry a display panel, and the support frame is configured to support the tray. The lighting jig addresses the problem of a complicated test process of a display panel, thus simplifying the test process of the display panel.

Abstract: A terminal and a synchronization control method among terminals are provided. The method includes: a master controlling terminal establishing synchronization control connections with multiple controlled terminals respectively; the master controlling terminal delivering a unique authorization token held by the master controlling terminal to one controlled terminal among the multiple controlled terminals, to enable the current controlled terminal acquiring the authorization token to be capable of performing information interaction with the master controlling terminal for synchronization control processing. The solution can solve the problem of coordination interaction control between a master controlling terminal and multiple mutually independent controlled terminals, and avoid interaction conflict between the mutually independent controlled terminals. Moreover, the solution can further reduce the network bandwidth occupation and solve the problem of high network bandwidth occupation.

Abstract: A method, apparatus and system for rejecting auxiliary information about user equipment are disclosed, which relate to the technical field of wireless communications, and solve the problem that UE retransmitting auxiliary information generates additional overheads or fails to know the reason why a network side rejects. The method includes: a network side receiving auxiliary information reported by user equipment; and if the network side determines not to reconfigure a wireless parameter for the user equipment, the network side transmitting rejection reason information to the user equipment. The above technical solution is applicable to an LTE or UMTS system, and realizes the control by UE of the transmission of auxiliary information according to a rejection mechanism.

Abstract: Disclosed are a cluster communication method and system, a user equipment and a network side device. The cluster communication method disclosed in the embodiment of the present document includes: when a cluster user equipment (UE) is interested in receiving or is currently receiving a cluster service in a multimedia broadcast multicast service (MBMS) bearer, if the cluster UE judges that it is needed to transmit the cluster service via a unicast bearer, sending a request to a cluster application server (AS) for transmitting the cluster service via a unicast bearer; after the AS accepts the request of the cluster UE and establishes a unicast bearer with the cluster UE, the cluster UE receiving cluster data via the unicast bearer and stopping receiving the cluster data in the MBMS bearer. The embodiment of the present document further discloses a user equipment, a network side device and a cluster communication system.

Abstract: A method and system for radio resource control are provided in the present document. The method includes: in a process of establishing a Radio Resource Control (RRC) connection, a user equipment sending a RRC connection request message to a base station, and carrying information used for indicating an current access property in the RRC connection request message; and the base station judging whether to permit the user equipment to establish the RRC connection according to the information used for indicating the current access property. It enables the user equipment to report more accurate information related to call establishment types, so as to assist a network side to perform more flexible and precise admission control.

Abstract: Disclosed in the present disclosure is a mobility optimization method. The method includes that a User Equipment (UE) having a small data feature performs, when determining that a cell supporting an optimized small data processing capability exists in candidate cells during execution of cell reselection, the cell reselection according to information of a small data priority cell reselection principle.

Abstract: Provided are data transmission methods, devices and system. The method includes that: User Equipment (UE) sends data processing capability information of the UE to network equipment; and the UE performs small data transmission with the network equipment according to a small data transmission method determined by the network equipment, wherein the small data transmission method is determined by the network equipment according to the data processing capability information of the UE. According to the technical solutions, the UE sends its own data processing capability information to the network equipment to enable the network equipment to learn about the small data transmission method which can be used by the UE to determine the method for the transmission of the small data between the UE and the network equipment.

Abstract: The disclosure provides a terminal access method and a terminal access device. The method comprises: determining, according to a value within an Enhanced Access Barring (EAB) parameter corresponding to an Access Class (AC) configured by a system, whether to allow access of a terminal corresponding to the AC; when the corresponding AC is determined to be not barred according to the EAB parameter, then according to a common Access Class Barring (ACB) parameter broadcasted by the existing system, performing access allowed judgment; when the corresponding AC is determined to be barred according to the EAB parameter, then, according to a barring time parameter configured by the system, calculating a barring time for re-accessing the system. In the method of the disclosure, the EAB and the existing ACB mechanism are jointly processed, solving the problem of possible impact on a system caused when large numbers of delay-insensitive or low-priority services or terminals access a network simultaneously.