Abstract: A method and system of positive and negative sequence rotor currents control for DFIG-WTs under a single dq-PI control structure includes: adjusting the negative sequence rotor current reference according to the negative sequence stator terminal voltage to obtain a reference adjustment value; converting the reference adjustment value to the forward-rotating dq coordinate system and superimposing it with the positive sequence rotor current reference as the input of a PI-regulator-based current feedback controller to uniformly control the positive and negative sequence rotor current; determining the output voltage reference of the rotor-side converter by the PI-regulator-based current feedback controller, according to which, the switching signal of the rotor-side converter can be determined through the SPWM function, controlling the turn-on and turn-off of the bridge arms of the rotor-side converter to form the output voltage.

Abstract: A construction method of human-object-space interaction model based on knowledge graph belongs to the technical field of knowledge graph construction and smart communities and includes steps of: obtaining information from a large number of active and passive sensing devices and thereby building a knowledge base; and fusing perceptual information in the knowledge base, forming entity-relation-entity structured data, and building a general knowledge graph conceptual model with entity-relation attributes. The construction method can overcome technical problems such as difficulty in multi-source information extraction, inability to fuse heterogeneous data, and inability of interaction of human-object-space caused by poor universality of perception technology and complex entity relations in a smart community environment, and provide a method support for monitoring and early warning of dangerous events in the smart community and community environment situational awareness.

Abstract: A construction method of human-object-space interaction model based on knowledge graph belongs to the technical field of knowledge graph construction and smart communities and includes steps of: obtaining information from a large number of active and passive sensing devices and thereby building a knowledge base; and fusing perceptual information in the knowledge base, forming entity-relation-entity structured data, and building a general knowledge graph conceptual model with entity-relation attributes. The construction method can overcome technical problems such as difficulty in multi-source information extraction, inability to fuse heterogeneous data, and inability of interaction of human-object-space caused by poor universality of perception technology and complex entity relations in a smart community environment, and provide a method support for monitoring and early warning of dangerous events in the smart community and community environment situational awareness.

Abstract: Provided is a method and system of positive and negative sequence rotor currents control for DFIGs under a single dq-PI control structure, comprising: adjusting the negative sequence rotor current reference I ? r ¯ _ r e f ? ? according to the negative sequence stator terminal voltage to obtain a reference adjustment value I ? r ¯ _ c o m ? ? ; converting the reference adjustment value to the forward-rotating dq coordinate system and superimposing it with the positive sequence rotor current reference as the input of a PI-regulator-based current feedback controller to uniformly control the positive and negative sequence rotor current; determining the output voltage reference of the rotor-side converter by the PI-regulator-based current feedback controller, according to which, the switching signal of the rotor-side converter can be determined through the SPWM function, controlling the turn-on and turn-off of the bridge arms of the rotor-side converter to form the

Abstract: The present invention provides a stopper for a substrate cassette and a substrate cassette assembly, belonging to the technical field of manufacturing of display devices, which can solve the problem that an existing substrate cassette easily damages a substrate. The stopper for the substrate cassette of the present invention is strip-shaped, and arranged, in a length direction, on an inner side of a mullion of the substrate cassette; the stopper has a contact surface configured to contact the mullion of the substrate cassette and an exposed surface opposite to the contact surface, and the exposed surface, at least on a side facing the outside of the substrate cassette, is a convex cambered surface.

Abstract: A laser cladding mobile platform comprises a platform arranged with a laser, a powder feeder, a processing platform, an electric generator, a power distribution cabinet and a PLC control system. The laser cladding mobile platform also comprises a self-propelled mechanical arm which comprises a multivariant mechanical arm and a crawler trolley, the multivariant mechanical arm is mounted on the crawler trolley; the multivariant mechanical arm is equipped with a laser cladding head at its end, the laser inputs laser light into the laser cladding head through optical fibers, the powder feeder is connected to the laser cladding head through a powder feeding tube, the electric generator supplies power for all the devices via the power distribution cabinet, the PLC control system controls the operation of each device.

Abstract: A production method of a display substrate, a production control system and a production apparatus are provided. The production method includes: in a process for producing the display substrate by a plurality of procedures, forming marks for recording procedure progress information on the display substrate.

Abstract: The present invention relates to the technical field of liquid crystal panel manufacture, and discloses a cushion block for glass comprising a cushion block body.

Abstract: The present invention relates to the technical field of display, and discloses a glass substrate conveyer. The glass substrate conveyer comprises a rack, a conveying member mounted on the rack, a power system for driving the conveying member, a light sensing system mounted below the conveying member, and a controller connected with the power system. According to the present invention, the broken glass substrate can be easily found in time.

Abstract: The present invention relates to the technical field of liquid crystal panel manufacture, and discloses a cushion block for glass comprising a cushion block body.

Abstract: The present invention provides a stopper for a substrate cassette and a substrate cassette assembly, belonging to the technical field of manufacturing of display devices, which can solve the problem that an existing substrate cassette easily damages a substrate. The stopper for the substrate cassette of the present invention is strip-shaped, and arranged, in a length direction, on an inner side of a mullion of the substrate cassette; the stopper has a contact surface configured to contact the mullion of the substrate cassette and an exposed surface opposite to the contact surface, and the exposed surface, at least on a side facing the outside of the substrate cassette, is a convex cambered surface.

Abstract: The present invention relates to the technical field of display, and discloses a glass substrate conveyer. The glass substrate conveyer comprises a rack, a conveying belt mounted on the rack, a power system for driving the conveying belt, a light sensing system mounted below the conveying belt, and a controller connected with the power system. The conveying belt comprises a plurality of conveying rolls which are sequentially horizontally mounted on the rack, and any two adjacent conveying rolls are mutually parallel and have a gap therebetween, thereby forming a rectangular conveying belt.

Abstract: The present disclosure provides a liquid crystal display panel. The liquid crystal display panel comprises an array substrate and a color filter substrate. Liquid crystal is filled between the array substrate and the color filter substrate, the array substrate includes a pixel electrode, and the color filter substrate includes a common electrode corresponding to the pixel electrode. The common electrode stores charges when an external object carrying static electricity touches a display region of the liquid crystal display panel, and thus a potential difference is formed between the pixel electrode of the array substrate and respective touch points, contacting with the external object, in the display region of the liquid crystal display panel, so that the liquid crystal between the touch point and the pixel electrode is deflected according to the formed potential difference. With such liquid crystal display panel, a process for displaying dynamically depicted graphs is simplified.

Abstract: A production method of a display substrate, a production control system and a production apparatus are provided.

Abstract: This disclosure provides a color filter substrate, comprising a substrate, a color filter layer and a latticed black matrix; wherein the black matrix is disposed on a first surface of the substrate and the color filter layer is disposed on an opposite second surface of the substrate to the first surface; and, the black matrix is made of material having electric conductivity and lightproof property. Also, the disclosure provides a display device comprising the abovementioned color filter substrate. Meanwhile, the disclosure provides a manufacture method for a color filter substrate, the method comprising the following steps of: forming a latticed black matrix on a first surface of a substrate, wherein the black matrix is made of material having electric conductivity and lightproof property; and forming a color filter layer on an opposite second surface of the substrate to the first surface.

Abstract: The present disclosure provides a liquid crystal display panel. The liquid crystal display panel comprises an array substrate and a color filter substrate. Liquid crystal is filled between the array substrate and the color filter substrate, the array substrate includes a pixel electrode, and the color filter substrate includes a common electrode corresponding to the pixel electrode. The common electrode stores charges when an external object carrying static electricity touches a display region of the liquid crystal display panel, and thus a potential difference is formed between the pixel electrode of the array substrate and respective touch points, contacting with the external object, in the display region of the liquid crystal display panel, so that the liquid crystal between the touch point and the pixel electrode is deflected according to the formed potential difference. With such liquid crystal display panel, a process for displaying dynamically depicted graphs is simplified.

Abstract: An array substrate, comprising a substrate and a data line and a gate line formed on the substrate. The data line and gate line cross each other to define a pixel region and the pixel region comprises a reflective region and a transparent region. The pixel region further comprises: a pixel electrode, formed with a transparent conductive film on the substrate and provided at least in the transparent region; a thin film transistor, formed on the substrate, the transparent conductive film being retained below the gate line and a gate electrode of the thin film transistor; a planarization film, covering the thin film transistor on the substrate; and a reflective layer, formed on the planarization film and disposed in the reflective region of the pixel region. A method of manufacturing the array substrate is provided.

Abstract: An array substrate, comprising a substrate and a data line and a gate line formed on the substrate. The data line and gate line cross each other to define a pixel region and the pixel region comprises a reflective region and a transparent region. The pixel region further comprises: a pixel electrode, formed with a transparent conductive film on the substrate and provided at least in the transparent region; a thin film transistor, formed on the substrate, the transparent conductive film being retained below the gate line and a gate electrode of the thin film transistor; a planarization film, covering the thin film transistor on the substrate; and a reflective layer, formed on the planarization film and disposed in the reflective region of the pixel region. A method of manufacturing the array substrate is provided.

Abstract: An array substrate, comprising a substrate and a data line and a gate line formed on the substrate. The data line and gate line cross each other to define a pixel region and the pixel region comprises a reflective region and a transparent region. The pixel region further comprises: a pixel electrode, formed with a transparent conductive film on the substrate and provided at least in the transparent region; a thin film transistor, formed on the substrate, the transparent conductive film being retained below the gate line and a gate electrode of the thin film transistor; a planarization film, covering the thin film transistor on the substrate; and a reflective layer, formed on the planarization film and disposed in the reflective region of the pixel region. A method of manufacturing the array substrate is provided.

Abstract: A thin film patterning method comprising: depositing a first thin film and applying a photoresist layer on the first thin film; exposing and developing the photoresist layer to define first, second and third regions, wherein the photoresist layer in the first region is thicker than that in the second region, and no photoresist layer is left in the third region; over-etching to remove the first thin film in the third region and form an over-etched region in the peripheral region of the first region; removing a part of the photoresist layer to expose the first thin film in the second region; depositing a second thin film so that the first thin film contacts the second thin film in the second region; and lifting off the photoresist layer to remove the second thin film in the first region and exposing the substrate in the over-etched region of the first region.