Abstract: A robotic ankle system provides an assistive force for the heel-up portion of a user gait. Energy is stored in a spring responsive to a heel-on portion of the gait, and then released as the heel-up portion begins. In this manner, the gait of a user is assisted. The systems and methods are of particular use for those affected by stroke or in connection with rehabilitation activities.

Abstract: An array substrate, includes: a substrate, three metal layers stacked on the substrate, and a plurality of signal line leads disposed in a peripheral area of the array substrate. The plurality of signal line leads are distributed in at least two of the three metal layers.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a display region, a frame region surrounding the display region, a color filter substrate, and an array substrate opposite to the color filter substrate. A black matrix is disposed on a side of the color filter substrate facing the array substrate. The array substrate is provided with a grounding portion located in the frame region. The grounding portion is electrically connected to a portion of the black matrix located in the frame region through a conductive portion. The portion of the black matrix located in the frame region is provided with a first through groove surrounding the display region. The first through groove penetrates the black matrix along a thickness direction of the black matrix. A portion of the first through groove is located between the conductive portion and the display region.

Abstract: The disclosure provides an array substrate, a display device, a detecting apparatus and a detecting method for detecting a defect connection of a data line. A data signal input bus of the array substrate of the present disclosure applies a data signal to each pixel unit, and a detection line is added on one side of the array substrate opposite to the data signal input bus, when the product is detected, the data signal input bus inputs the normal data signal, the detection line on the other side inputs a signal having a polarity contrary to that of the data signal. At a position of the data line existing defect connection, heat is generated and the data line is burnt at the position existing defect connection.

Abstract: The present invention discloses a preparation method of a silver-modified spiral Titanium Dioxide (TiO2) nano-fiber photocatalyst, comprising the following steps: preparing a spiral TiO2 nano-fiber; preparing a nano-silver aqueous solution; and preparing a silver-modified spiral TiO2 nano-fiber photocatalyst. The photocatalyst is coupled with the spiral structure of the nano-fiber and nano-silver particles with a specific size, improving the photocatalytic activity of the photocatalyst. Moreover, the sterilizing and biological pollution resisting capacities of the photocatalyst are also improved through the modified nano-silver particles, and therefore, the photocatalyst can be widely applied to a deep sewage treatment system.

Abstract: An array substrate including a plurality of terminals, a first conductive layer and a second conductive layer, wherein the first conductive layer and the second conductive layer include an insulating layer therebetween, wherein a plurality of first electrode plates and a plurality of second electrode plates are formed in the first conductive layer and the second conductive layer, respectively, the first electrode plates and the second electrode plates are opposite to each other to constitute a capacitor structure, the terminals are provided in the same layer as the first conductive layer or the second conductive layer, or the terminals are provided in the same layer as a third conductive layer between the first conductive layer and the second conductive layer. A method of manufacturing an array substrate and a display device is provided.

Abstract: A soft robot hand includes a palm, a first fabric-reinforced textile actuator coupled to the palm, and a second fabric-reinforced textile actuator coupled to the palm. The first actuator is moveable relative to the palm between a collapsed position and an inflated position to approximate a joint in a first human finger. The second actuator is spaced apart from the first actuator. The second actuator is moveable relative to the palm between a collapsed position and an inflated position to approximate a joint in a second human finger.

Abstract: A delay circuit and an electronic system equipped with the delay circuit are provided. The delay circuit includes an input terminal, an output terminal, a bias current generator and a delay generator. The bias current generator is coupled between a first reference voltage and a second reference voltage, and is configured to generate a bias current. The delay generator is coupled between the first reference voltage and the second reference voltage, and is configured to generate a delay of the delay signal relative to the input signal according to the bias current. The bias current generator includes a current mirror, a current module and a transistor. The delay generator includes a first current mirror sub-circuit, a second current mirror sub-circuit, a transistor, a capacitor, a switch circuit and a Schmitt inverter, wherein the output terminal is coupled to the Schmitt inverter to output the delay signal.

Abstract: Various embodiments for a foldable quad-rotor (FQR) inspired by an origami mechanism are disclosed herein. The FQR can fold its arms during flight to enable aggressive turning maneuvers and operations in cluttered environments. A dynamic model of folding is built for this system with the collected data, and a feedback controller is designed to control the position and orientation of the FQR. Lyapunov stability analysis is conducted to show that the system is stable during arm folding and extension, and motion planning of the FQR is achieved based on a modified minimum-snap trajectory generation method.

Abstract: The disclosure discloses a bionic digestive tract as well as a preparation method and application thereof, belonging to the field of bionic technologies and the field of biological technologies. The bionic digestive tract of the disclosure is prepared by mixing a base material (one or more of silica gel, latex and hydrogel) and auxiliary materials (silicone oil and a curing agent) in a certain mass ratio (the mass ratio of the base material to the silicone oil to the curing agent is 100:(0.5 to 10):(0.5 to 3.5)). The simulation performance of the bionic digestive tract is excellent, has strong consistency with a true human digestive tract in terms of performance, structure and function, can simulate the true states of food, drugs and microorganisms in a digestive system, and has great application prospects in the research process of food and drugs.

Abstract: An array substrate including a plurality of terminals, a first conductive layer and a second conductive layer, wherein the first conductive layer and the second conductive layer include an insulating layer therebetween, wherein a plurality of first electrode plates and a plurality of second electrode plates are formed in the first conductive layer and the second conductive layer, respectively, the first electrode plates and the second electrode plates are opposite to each other to constitute a capacitor structure, the terminals are provided in the same layer as the first conductive layer or the second conductive layer, or the terminals are provided in the same layer as a third conductive layer between the first conductive layer and the second conductive layer. A method of manufacturing an array substrate and a display device is provided.

Abstract: A self-balancing bicycle system is provided by the present disclosure. The system includes a bicycle, a sensor coupled to the bicycle, a steering control assembly comprising an actuator and being coupled to the bicycle and configured to adjust a steering angle of a front tire of the bicycle, and a controller coupled to the sensor and configured to receive a value from the sensor. The controller is further coupled to the steering control assembly and further configured to adjust the steering angle based on the value.

Abstract: Systems and methods for sorting utilizing an inflatable actuator are disclosed. A sorting system utilizing an inflatable actuator includes an inflatable actuator. The inflatable actuator is disposed in a cantilever beam orientation atop a support surface. The system includes an inflation component coupled to the inflatable actuator to provide an inflation force. Additionally, the system includes a control component configured to send an activation signal to the inflation component responsive to a detection of an object to be sorted. Responsive to the activation signal, the inflation component inflates the inflatable actuator to cause the inflatable actuator to make contact with the object to be sorted. The contact of the inflatable actuator with the object to be sorted causes the object to change from a first trajectory to a second trajectory.

Abstract: A smart shoe, smart shoe system, and a method of a smart shoe are disclosed. A smart shoe system may be used for monitoring patient activity. The smart shoe system may include a shoe having a plurality of pneumatic pressure sensors. The pressure sensors may be configured to detect pressure at a plurality of points in the sole of the shoe. The smart shoe may also include a microprocessor coupled to the pressure sensors and a GPS integrated circuit. The GPS integrated circuit may be used for correlating position of the smart shoe system to activity data generated by the plurality of pressure sensors. Additionally, the smart shoe system may include a flash memory storage for storing data generated by the microprocessor and pressure sensors.

Abstract: Methods, devices, and servers for friend recommendation are provided. A user association set of a target user is obtained. Original data of each associated user in the user association set is obtained. The original data include location relationship data, associated friend data, time relationship data, or combinations thereof, between each associated user and the target user. The original data of each associated user is screened to obtain feature data to form a feature collection for each associated user. A pre-configured N-Tree prediction model is used to process the feature collection for a prediction calculation to obtain an association-predicting value for each associated user. According to the association-predicting value of each associated user, a friend user for the target user from the user association set is determined and recommended to the target user.

Abstract: A wake-up control method for a Body Control Module (BCM) includes: step S1 writing IDs and wake-up level information of all Micro Controller Unit (MCU) pins serving as an external wake-up source to a retention RAM; step S2, setting a wake-up detection timer, and triggering a system to enter a low power consumption mode; step S3, after a wake-up detection time set by the wake-up detection timer expires, enabling power supply to all MCU pins, setting the corresponding MCU pin as an input pin according to the pin ID information written in step S1, and acquiring level information of the input pin; and step S4, comparing the level information of the input pin with the wake-up level information written in step S1, if they are consistent, writing the ID of the input pin that is to serve as a wake-up source to the retention RAM and triggering the system to enter a normal operating mode, and if they are inconsistent, disabling the power supply to the MCU pin. A wake-up control device for a BCM is further provided.

Abstract: Embodiments of this disclosure provide a wiring connector, a flexible printed circuit, a touch panel, and a display device, and the wiring connector includes: a male joint including a first body, first lead terminals arranged on the first body, and two grooves arranged on the first body along an arrangement direction of the first lead terminals; and a female joint including a second body, second lead terminals arranged on the second body, and two clamp structures installed on the second body, wherein the second lead terminals can be socketed respectively with the first lead terminals; and when the second lead terminals are socketed respectively with the first lead terminals, the two clamp structures clamp respectively into the two grooves on the first body.

Abstract: The present invention discloses a visual bionic digestive system for a human gastrointestinal tract model, and belongs to the field of bionic digestive systems.

Abstract: Various embodiments of a foldable unmanned aerial vehicle having a multi-layer laminate structure and extendible arms are disclosed.

Abstract: An array substrate including a plurality of terminals, a first conductive layer and a second conductive layer, wherein the first conductive layer and the second conductive layer include an insulating layer therebetween, wherein a plurality of first electrode plates and a plurality of second electrode plates are formed in the first conductive layer and the second conductive layer, respectively, the first electrode plates and the second electrode plates are opposite to each other to constitute a capacitor structure, the terminals are provided in the same layer as the first conductive layer or the second conductive layer, or the terminals are provided in the same layer as a third conductive layer between the first conductive layer and the second conductive layer. A method of manufacturing an array substrate and a display device is provided.