Abstract: A method for charging a service robot and a service robot are disclosed. The method comprises: collecting an audio signal generated by a sound source of a charging pile; determining a direction of the sound source according to the collected audio signal; controlling a robot main body to move toward the direction of the sound source, to shorten a distance between the robot main body and the charging pile; judging whether the infrared receiver array has received an infrared pulse signal emitted by the infrared emitter array of the charging pile; and when the infrared receiver array has received the infrared pulse signal, controlling the robot main body to move toward a direction of the charging pile according to the infrared pulse signal, to engage a charging component of the robot main body with a charging contact element of the charging pile.

Abstract: A device for measuring surface-temperature of a turbine blade, the device including a probe having a front-end mirror for receiving infrared radiation of a surface on the blade, a collimation lens for refracted the infrared radiation, a PD detector to receive the infrared radiation, and a focal-length servo; and a radial-scanning servo connected to the probe. The front-end mirror, the collimation lens, and PD detector are disposed along the optical axis of the collimation lens. The focal-length servo is adapted to move the collimation lens along the optical axis of the collimation lens. The radial-scanning servo is adapted to move the probe along the optical axis of the collimation lens. The device of the invention is capable of accurately targeting a particular point on the blade having an irregular shape for temperature measurement to accurately detect the temperature distribution on the surface of the blade.

Abstract: This patent relates to a multi-mode communication method for detecting states of power transmission line, which belongs to electric power communication technology field. In this method, there are sensing devices installed on power transmission line. These sensing devices are used to detect status signals of power transmission line. Status signals are sent to remote monitoring center through communication terminals. Both sensing devices and communication terminals are powered by battery. The main communication network between sensing devices and communication terminals is formed by ZigBee network. Meanwhile, Bluetooth network is a backup communication network between sensing devices and communication terminals. Communication terminals and remote monitoring center are linked through WinMAX.

Abstract: The application discloses a multichannel echo cancellation circuit and method and smart device. The multichannel echo cancellation circuit comprises signal extraction circuits, one ends of which are connected to the audio channels of the corresponding loudspeakers, to extract part of the audio signals from the audio channels of the corresponding loudspeakers as echo cancellation reference signals; the other ends of the signal extraction circuits are connected to the isolating circuits; the isolating circuits are interconnected to form one noise channel by which the echo cancellation reference signals extracted by each of the signal extraction circuits are formed into one channel of noise signal and then outputted to the processor; and the processor subtracts the noise signal from the sound signal collected by the microphone according to the noise signal inputted and a sound signal collected by a microphone, to obtain a signal that has been denoised.

Abstract: The present disclosure relates to compensating method for cell assembly. According to a deviation value of a key position of a measured array substrate, a compensation value of an exposure parameter of black matrix process of a color film substrate is calculated in real time by using historical measurement data of batches. The compensation value is fed back to a manufacturing apparatus in real time. The manufacturing apparatus corrects the key parameter of the apparatus timely according to the compensation value of the exposure parameter of the black matrix, to manufacture a color film substrate matching with the array substrate.

Abstract: A voice enhancement method and apparatus of a smart device and a smart device are disclosed. The method comprises: monitoring and collecting a voice signal sent by a user in real time; determining a direction of the user according to the voice signal; collecting a depth image in the direction of the user; determining a sound source direction of the user according to the depth image; and adjusting a beamforming direction of a microphone array on the smart device according to the sound source direction of the user, and performing enhancement processing on the voice signal.

Abstract: A method and device for sound source positioning using a microphone array. The method comprises: determining a horizontal axis that a microphone array rotates around as a reference axis; calculating, according to a sound emitted by a sound source that is collected by the microphone array, to obtain a first sound source estimated value indicating a sound source position in a three-dimensional space; acquiring an inclination angle between a plane in which the microphone array is located when it is rotating and a horizontal plane in which the reference axis is located; and according to the first sound source estimated value and the inclination angle, calculating out a second sound source estimated value on a horizontal plane corresponding to the first sound source estimated value, and using the second sound source estimated value as the determined sound source position.

Abstract: The application discloses a multichannel echo cancellation circuit and method and smart device. The multichannel echo cancellation circuit comprises signal extraction circuits, one ends of which are connected to the audio channels of the corresponding loudspeakers, to extract part of the audio signals from the audio channels of the corresponding loudspeakers as echo cancellation reference signals; the other ends of the signal extraction circuits are connected to the isolating circuits; the isolating circuits are interconnected to form one noise channel by which the echo cancellation reference signals extracted by each of the signal extraction circuits are formed into one channel of noise signal and then outputted to the processor; and the processor subtracts the noise signal from the sound signal collected by the microphone according to the noise signal inputted and a sound signal collected by a microphone, to obtain a signal that has been denoised.

Abstract: An apparatus and a method for online and real-time detection of a temperature of an epitaxial wafer (4) belong to the technical field of semiconductor detection. The apparatus comprises a MOCVD reaction chamber (1), a light source (6), a beam splitter (7), a reference light detector (8), a reflected light detector (9) and a data acquisition unit (10). The method, on the basis of the apparatus, can obtain a thermal radiation attenuation factor caused by a coating of a reactor chamber window and a reflectance attenuation factor caused by the coating of the reactor chamber window for the epitaxial wafer (4). The apparatus and method can eliminate influence of the coating of the reactor chamber window on an online and real-time temperature detection value, thereby improving the accuracy of the online and real-time temperature detection value.

Abstract: A self-calibration apparatus and method for a real-time temperature measurement system of a MOCVD device belong to the technical field of semiconductor manufacturing. The apparatus comprises a MOCVD reactor chamber (1) and an optical detector (6). The MOCVD reactor chamber (1) comprises an epitaxial wafer (4). A detection window (5) is provided on the top of the MOCVD reactor chamber (1). The optical detector (6) emits detection light beams whose wavelengths are respectively ?1 and ?2 toward the epitaxial wafer (4) through the detection window (5). The detection light beams are reflected by the epitaxial wafer (4) to form reflected light beams which are detected by the optical detector (6). In the method, points corresponding to the actual thermal radiation ratios are depicted on the theoretical thermal radiation ratio-temperature curve according to actual thermal radiation ratios, and values of the temperatures T corresponding to the points are substituted into formulas to obtain m1 and m2 respectively.

Abstract: The present disclosure is directed to compact packaging for optical MEMS devices, such as one- and two-dimensional beam scanners. An embodiment in accordance with the present disclosure includes a light source and a MEMS-based scanning element for steering at least a portion of the light provided by the light source in at least one dimension as an output light signal, as well as one or more optical elements for collimating and/or redirecting light within a sealed chamber defined by the elements of a housing. In some embodiments, the one or more optical elements include a reflective lens that collimates the light provided by the light source while simultaneously correcting phase-front error imparted by the scanning element while steering the output beam.

Abstract: This invention provides a cooperative coverage method for distribution network information perception. The cooperative coverage method includes the following steps: construction of connected cooperative coverage sets, which can cover all target nodes with as few information perception nodes as possible, and maintain the connectivity of each cooperative coverage set with connected sets construction methods based on of hierarchical clustering; Cooperative coverage set scheduling, introducing the concept of energy ratio threshold, dividing the life cycle of the system into multiple time slices, calculating the energy ratio of perception device set in each time slice to realize the set scheduling. The invention realizes the efficient utilization of the energy of the perception device through the construction and scheduling of the connected coverage set in different time slices, and improves the use efficiency of the information perception network.

Abstract: The present invention discloses a spatial positioning device, and a positioning processing method and device. The spatial positioning device comprises a set of cameras arranged horizontally and a set of cameras arranged vertically, wherein each set comprises at least two cameras with the same parameters including an image resolution, a camera lens angle in the horizontal direction and a camera lens angle in the vertical direction; and the at least two cameras in the set of cameras arranged horizontally are aligned in the horizontal direction, and the at least two cameras in the set of cameras arranged vertically are aligned in the vertical direction. In the spatial positioning device provided by the present invention, as the sets of cameras are arranged in the different directions, it is possible to effectively reduce or even eliminate the number of blind spots in the process of image shooting in the single direction.

Abstract: The present invention provides a method for increasing the metabolic rate of recombinant microorganism growth under an anaerobic environment, wherein a recombinant strain is placed under an anaerobic environment and cultured under a culture condition, wherein the culture condition includes a potential difference and a nitrogen source, but not includes an organic carbon source. According to the method disclosed by the present invention, the recombinant strain can perform anaerobic respiration and metabolic reaction in an anaerobic environment, and can grow stably and rapidly.

Abstract: A device for measuring surface-temperature of a turbine blade, the device including a probe having a front-end mirror for receiving infrared radiation of a surface on the blade, a collimation lens for refracted the infrared radiation, a PD detector to receive the infrared radiation, and a focal-length servo; and a radial-scanning servo connected to the probe. The front-end mirror, the collimation lens, and PD detector are disposed along the optical axis of the collimation lens. The focal-length servo is adapted to move the collimation lens along the optical axis of the collimation lens. The radial-scanning servo is adapted to move the probe along the optical axis of the collimation lens. The device of the invention is capable of accurately targeting a particular point on the blade having an irregular shape for temperature measurement to accurately detect the temperature distribution on the surface of the blade.

Abstract: A mask management system and a method for using a mask are provided. The mask management system includes: a mask feeding module, configured to provide at least one mask group, each of the at least one mask group including one cassette and a plurality of masks placed in the cassette; a mask detecting and processing module, configured to detect the plurality of masks in the mask group and perform a corresponding mask processing on a mask required to be processed according to a detection result; and a mask classification module, configured to readjust a mask which is processed and qualified into the cassette of the mask group to which the mask belongs.

Abstract: The present invention provides a production equipment monitoring method and system, and the method comprises: receiving production equipment alarm information; determining abnormal production equipment according to the production equipment alarm information, and determining a user group corresponding to the abnormal production equipment according to preset correspondence between production equipment and user group; and sending the production equipment alarm information to a user in the determined user group in a preset alarm manner. As a result, alarm information can be sent to the corresponding user(s) in the preset alarm manner the first time an abnormity in the production equipment is found, so as to notify related personnel to handle the abnormity timely and accurately.

Abstract: This invention provides a cooperative coverage method for distribution network information perception. The cooperative coverage method includes the following steps: construction of connected cooperative coverage sets, which can cover all target nodes with as few information perception nodes as possible, and maintain the connectivity of each cooperative coverage set with connected sets construction methods based on of hierarchical clustering; Cooperative coverage set scheduling, introducing the concept of energy ratio threshold, dividing the life cycle of the system into multiple time slices, calculating the energy ratio of perception device set in each time slice to realize the set scheduling. The invention realizes the efficient utilization of the energy of the perception device through the construction and scheduling of the connected coverage set in different time slices, and improves the use efficiency of the information perception network.

Abstract: This patent relates to a multi-mode communication method for detecting states of power transmission line, which belongs to electric power communication technology field. In this method, there are sensing devices installed on power transmission line. These sensing devices are used to detect status signals of power transmission line. Status signals are sent to remote monitoring center through communication terminals. Both sensing devices and communication terminals are powered by battery. The main communication network between sensing devices and communication terminals is formed by ZigBee network. Meanwhile, Bluetooth network is a backup communication network between sensing devices and communication terminals. Communication terminals and remote monitoring center are linked through WinMAX.

Abstract: The present disclosure relates to compensating method for cell assembly. According to a deviation value of a key position of a measured array substrate, a compensation value of an exposure parameter of black matrix process of a color film substrate is calculated in real time by using historical measurement data of batches. The compensation value is fed back to a manufacturing apparatus in real time. The manufacturing apparatus corrects the key parameter of the apparatus timely according to the compensation value of the exposure parameter of the black matrix, to manufacture a color film substrate matching with the array substrate.