摘要:
A robot and a control method thereof. The robot has plural robot arms, each having at least one joint unit and a hand, and the control method includes calculating in advance and storing a plurality of grasp poses to generate grasp routes, sensing respective orientations of an object, the robot arms, and an obstacle, selecting one grasp pose from among the plurality of grasp poses by judging a movable angle range of the at least one joint unit, whether or not the object collides with the obstacle, and self-collision between the robot hands based on the sensed respective orientations, and generating grasp routes using the selected grasp pose. In the control method, the plurality of feasible grasp poses is calculated in advance and then stored, thereby rapidly and stably performing grasping of the object.
摘要:
A robot and a control method thereof. The robot has plural robot arms, each having at least one joint unit and a hand, and the control method includes dividing an object into target and feasible grasp regions and storing grasp policies respectively corresponding to the grasp regions, sensing respective orientations of the object, the at least one joint unit, and an obstacle, judging whether or not grasping of the target grasp region is feasible after sensing the orientations, generating a grasp route using the grasp policy for the target grasp region, upon judging that grasping of the target grasp region is feasible, and generating a grasp route using the grasp policy for one of the feasible grasp regions, upon judging that grasping of the target grasp region is not feasible, and controlling the at least one joint unit and the hand to trace the generated grasp route.
摘要:
A method for planning the robot path includes forming a shape space that includes a start point, a goal point, and obstacle information so as to generate a moving path of the robot, generating one or more moving paths of the robot within the shape space, and storing the generated moving paths in a database, selecting a specific path that has a minimum operation range of the robot and a minimum constraint caused by the obstacle from among the stored moving paths, and planning the selected path, enabling the robot to perform motion along the planned path, and pre-planning a path for a next motion of the robot while the robot performs the motion. The apparatus or method for planning the robot path can reduce a time from an end time of one motion to the start time of the next motion, thereby performing a smooth motion.
摘要:
This invention relates to a plant having high resistance to environmental stress and high seed productivity, and, more particularly, a transformed plant that is genetically modified to overexpress a polyadenylate-binding protein (PABN) gene and has enhanced environmental stress resistance and enhanced seed productivity.
摘要:
Two vIRF4 (Kaposi's-sarcoma-associated-herpesvirus vIRF4) peptides, vif1, corresponding to aa202-216 of vIRF4, and vif2, corresponding to aa220-236 of vIRF4, are potent and selective HAUSP antagonists. The vif1 and vif2 peptides robustly suppress HAUSP DUB enzymatic activity, ultimately leading to p53-mediated anti-cancer activity. The vif1 and vif2 peptides, along with their homologues, are useful in treating cancer through regulation of p53 activity in a cancer cell. Also disclosed is the crystalline structure of vIRF4-HAUSP TRAF domain complex. The structure is useful in computer aided drug design for identifying an agent that interacts with and inhibits HAUSP, resulting in p53 medicated cell cycle arrest of cancer cells.
摘要:
The present invention relates to an actuator which is one of the energy conversion devices, and is characterized by improving the ability to convert electrical energy into mechanical energy by way of using a dielectric elastomer composite comprising a filler with an efficient dispersibility. In case of using a conventional resilient dielectric layer, there was a problem in that the operating voltage is high, while advantageously exhibiting a fast response and a high strain. The present invention can provide dielectric elastomer composite actuators that show excellent electromechanical conversion properties, by adding a dispersing agent such as a pyrene derivative or a polymeric compound having an amine end group when preparing the composite wherein carbon-based conductive fillers such as carbon blacks, single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs), multi-walled carbon nanotubes (MWCNTs) and graphenes, or high dielectric fillers such as copper phthalo-cyanine (CuPc), MOFs (metal organic frameworks) and barium titanate (BaTiO3) are comprised in a thermoplastic resilient dielectric layer to enhance the dispersibility of the fillers.
摘要:
The present invention relates to transparent antistatic films using graphene, and methods for preparing the same. The films include conductive particles comprising a single-layer or multi-layer graphene, and a binder. The films are prepared by dispersing graphene in a solvent to obtain a graphene dispersion; dissolving a curable binder to a solvent to obtain a binder solution; mixing the graphene dispersion, the binder solution and optionally an additive to obtain a coating solution; applying the coating solution onto a substrate and drying the solution to form a coated film; and curing the coated film. According to the present invention, transparent or semitransparent antistatic films having excellent permeability, abrasion resistance, scratch resistance, chemical stability and dimensional stability can be prepared. The films also have superior adhesion to substrates and applicability, and thus may be advantageously applied to rigid or flexible substrates.