Abstract: A residual stress detection device for a curved surface coating and a detection method thereof is provided, where its structure includes: a detection piece carrier, configured to fix the detection piece, so that a to-be-detected point on the detection piece remains at a highest point; an X-ray generation source, radiating an X-ray to the to-be-detected point fixedly or along a path; a detection element, including a moving mechanism, where the moving mechanism moves the detection element along a path extending toward a direction orthogonal to an incident direction of the X-ray, so that the detection element receives and detects intensity of a diffraction X-ray at a position of the diffraction X-ray; and a stress calculation module, obtaining a strain value based on an intensity peak of the diffraction X-ray detected by the detection element, and calculating a residual stress value of the detection piece by using a formula.

Abstract: A service life testing device for a pressure sensor includes a first and a second plates, the first plate including a stage carrying a to-be-tested pressure sensor; a pair of drivers, two ends thereof respectively connected to the first and the second plates; a pair of linear slide mechanisms, disposed between the first and the second plates, and each including a slide rail and a slider moving there along, where a compression spring is disposed along an axial direction of each slide rail; a jig, disposed between the first and the second plates, and facing the to-be-tested pressure sensor; and a processing unit, electrically connected to the drivers and the to-be-tested pressure sensor, and configured to control a moving direction, a moving speed, and a moving stroke of the drivers, to cause the to-be-tested pressure sensor to press against or move away from a surface of the jig.

Abstract: A multifunctional laser processing apparatus includes a hollow milling shaft, a light path tool holder, a tool-holder-type melting module, a laser light source, and a temperature sensor. The hollow milling shaft includes a first light path channel and a connection portion. The light path tool holder can be connected to the connection portion. The light path tool holder has a second light path channel communicating with the first light path channel. The tool-holder-type melting module can be connected to the connection portion. The tool-holder-type melting module has a third light path channel communicating with the first light path channel. The laser light source is configured to emit a laser light beam toward the first light path channel. The temperature sensor is disposed on an outer surface of the hollow milling shaft and is configured to sense a temperature of a work piece during a multifunctional processing process.

Abstract: The present invention is a probe forming device, the probe forming device comprises a spinning shaft, a first adjusting structure, a second adjusting structure, an electrolyte conveying member and a power supply. One of the holding member of the spinning shaft holds a workpiece, and a driving member drives the workpiece to move and abut the first adjusting structure and the second modulating structure. The electrolyte conveying member conveys an electrolyte to the workpiece, the first adjusting structure and the second adjusting structure, and is electrically connected. At least one positive end of the power supply is connected to the workpiece or the spinning shaft, and at least one negative end is connected to the first adjusting structure and the second modulating structure.

Abstract: The present invention provides a measurement device for grinding wheel. One or more thickness measurement device is disposed slidably on a platform. A spinning device is disposed on the platform. A grinding wheel is fixed on the spinning device. The spinning shaft spins the grinding wheel. The one or more thickness measurement device measures the flatness condition of the grinding wheel. Furthermore, according to the present invention, a diameter measurement device is disposed inside the platform and measures the roundness of the outer periphery of the grinding wheel. Since the structure can be disassembled easily, the whole measurement device for grinding wheel can be carried conveniently. In addition, measurements can be performed by users on the site where the grinding wheel is located for real-timely understanding the real size and wear condition of grinding wheel.

Abstract: A method for avoiding obstacles surrounding a mobile vehicle is disclosed. The method discloses that it is more accurate to merge images after a depth information is obtained to construct an environment information. The mobile vehicle set an omnidirectional depth sensing module using a lot of depth sensors for capturing a depth information of an environment surrounding the mobile vehicle and identifying the obstacles on the road upon the depth information. Also, scanning the smooth degree of the road for identifying static obstacles and moved obstacles, Thereby, a control circuit controls the mobile vehicle to lower speed or circumvent the danger.

Abstract: A tool for a bone implant includes a sleeve and a transmission rod including a transmission member disposed on an end of a shaft. Another end of the shaft is located outside of the sleeve. The transmission member is received in the sleeve and includes a first compartment and a plurality of first teeth surrounding the first compartment. A drilling rod includes a second compartment and a plurality of second teeth surrounding the second compartment. A coupling portion is disposed between the second compartment and a bit. The coupling portion is coupled with the sleeve. The bit is located outside of the sleeve. Two magnets are disposed in the first and second compartments, respectively. Two same poles respectively of the two magnets face each other.

Abstract: A method for measuring spasticity is provided and includes: obtaining sensing signals corresponding to a limb movement through at least one sensor during a period of time; transforming the sensing signals into a two-dimensional image; and inputting the two-dimensional image into a convolutional neural network to output a spasticity determination result.

Abstract: A fibrocartilage suturing device is provided to solve the problem where the conventional procedure of the surgery is inconvenient. The fibrocartilage suturing device includes a tube assembly, a tubular member, and an anchor. The tube assembly extends through the tube assembly and includes an insertion section. The movement member is coupled with the tube assembly and includes a thrust rod extending through the tubular member. The anchor is located at one end of the thrust rod and includes a body and at least two wings connected to the body is able to be folded and unfolded relative to the body. The body of the anchor is connected to an end of a thread. Another end of the thread is connected to the tubular member.

Abstract: A multifunctional shaft apparatus includes a shaft base, a spindle, a tool holder, an ultrasonic vibration assembly, a laser light source and a mirror assembly. The spindle is disposed in the shaft base. The spindle has a laser channel extending along the spindle. The tool holder is disposed on the spindle. The tool holder has a hollow passage, an inner space and a recessed portion. The hollow passage is communicated with the laser channel. An inner wall of the hollow passage has at least one through hole communicated with the inner space, and the recessed portion is disposed on a bottom surface of the tool holder. The bottom surface has a light outlet. The ultrasonic vibration assembly includes a vibration member disposed in the recessed portion. The mirror assembly is disposed in the tool holder and is configured to reflect the laser light beam generated by the laser light source.

Abstract: The disclosure provides an environment perception device and method of a mobile vehicle. The environment perception device includes a camera module, a LiDAR module, a database and a processing circuit. The camera module photographs a field near the mobile vehicle to generate a three-dimensional (3D) image frame. The LiDAR module scans the field to generate a 3D scanned frame. The processing circuit fuses the 3D image frame and the 3D scanned frame to generate 3D object information. The processing circuit compares the 3D object information with a 3D map in the database to determine whether an object is a static object. The processing circuit performs an analysis and calculation on the 3D object information to obtain movement characteristics of the object when the object is not the static object, and skips the analysis and calculation on the 3D object information when the object is the static object.

Abstract: An online prediction method of tool-electrode consumption adapted for an electrical discharge machining (EDM) apparatus includes an experimental design; extracting electrode consumption variables from machining parameters of the electrical discharge machining (EDM) apparatus; and obtaining a correlation between the machining parameters and the electrode consumption variables through a correlation analysis to obtain a prediction model capable of predicting an effective contact area of a tool-electrode and a workpiece. In addition, a prediction method of machining accuracy is provided.

Abstract: An elbow joint rehabilitation system and an elbow joint rehabilitation method are provided. The elbow joint rehabilitation system includes a support member, a motor, a torque sensing unit, a first electromyography sensor, a second electromyography sensor and a motor control device. In the elbow joint rehabilitation method, the support member is configured to support an arm of a patient. Thereafter, the torque sensing unit is configured to sense the torque applied on the support member to obtain a sensed arm torque signal. Then, the first electromyography sensor and the second electromyography sensor are configured to sense the muscle activities of biceps and triceps of the patient to obtain electromyography signals. Thereafter, the motor is controlled to drive the support member to perform rehabilitation in accordance with the sensed arm torque signal, the electromyography signals and a current support member position provided by the motor.

Abstract: A surgical instrument inventory system, including a memory and a processor, is provided. The memory is configured to store a global identification module and a local identification module. The processor is coupled to the memory and is configured to input a surgical instrument image to the global identification module and the local identification module. The global identification module is configured to output multiple global image features corresponding to the surgical instrument image. The local identification module is configured to output multiple local image features corresponding to an instrument end image of the surgical instrument image. The processor determines a surgical instrument type of the surgical instrument image according to the multiple global image features and the multiple local image features.

Abstract: An automatic control method of a mechanical arm and an automatic control system are provided. The automatic control method includes the following steps: obtaining a color image and depth information corresponding to the color image through a depth camera; performing image space cutting processing and image rotation processing according to the color image and the depth information to generate a plurality of depth images; inputting the depth images into an environmental image recognition module such that the environmental image recognition module outputs a displacement coordinate parameter; and outputting the displacement coordinate parameter to a mechanical arm control module such that the mechanical arm control module controls the mechanical arm to move according to the displacement coordinate parameter.

Abstract: A light metal joint filler is provided. The light metal joint filler is formed by uniformly mixing a solvent with a light metal powder and a silver powder, where a powder particle size of the light metal powder is on a micron scale, and a powder particle size of the silver powder is on a nanometer scale or a submicron scale. A metal joining method of the present disclosure includes: coating a joint of two to-be-joined light metal pieces with the light metal joint filler; and hot pressing the two to-be-joined light metal pieces, so that the silver powder is sintered and bonded with the light metal powder and surfaces of the two to-be-joined light metal pieces, and completing joining of the two to-be-joined light metal pieces after the silver powder is condensed.

Abstract: A stirring device includes a stirring unit, a gas supplying unit, and a feeding unit. The stirring unit includes a drive mechanism and a shaft member. The shaft member includes a hollow rotary shaft coupled to be driven by the drive mechanism to rotate, and a stirring head coupled to rotate with the hollow rotary shaft. The gas supplying unit includes a gas supply, and a piping member fluidly communicating with the gas supply and the shaft member. The feeding unit includes a storage tank and a feeding tube fluidly communicating with the storage tank and the shaft member.

Abstract: An automatic positioning method and an automatic control device are provided. The automatic control device includes a processing unit, a memory unit, and a camera unit to automatically control a robotic arm. When the processing unit executes a positioning procedure, the camera unit obtains a first image of the robotic arm. The processing unit analyzes the first image to establish a three-dimensional working environment model and obtains first spatial positioning data. The processing unit controls the robotic arm to move a plurality of times to sequentially obtain a plurality of second images of the robotic arm by the camera unit and analyzes the second images and encoder information of the robotic arm to obtain second spatial positioning data. The processing unit determines whether an error parameter between the first spatial positioning data and the second spatial positioning data is less than a specification value to end the positioning procedure.

Abstract: A method for manufacturing a mold includes providing first information regarding a location of a shrinkage hole generated during hardening of a molten metal in a shell mold. Second information regarding a change in the location of the shrinkage hole in response to adjustment of a heat transfer rate of the shell mold is obtained. The heat transfer rate of the shell mold is adjusted to shift the shrinkage hole to a predetermined location.

Abstract: The present invention provides a smoke detection method with visual depth, which uses an image camera and a depth camera to extract surrounding images and surrounding depth information. A vehicle is used to patrol an area, such as the area of a processing factory, for receiving the surrounding environment information and detecting existence of burning objects or smoke. Then a processor adopting the clustering algorithm is used to estimate the smoke distribution or the location of fire source of burning objects, and uses an alarm to provide alarm information. Thereby, the rescue crew can prepare in advance and respond immediately. By providing the correct information to the firemen in the fire scenes, the time to control the fire can be shortened and the time for evacuation can be increased.