Abstract: A system for monitoring power usage includes a power distribution unit (PDU) and a monitoring device. The PDU includes a detecting module and a storing module, the monitoring device includes an amplifying module and a processing module. The detecting module obtains signal as to voltage and current relating to a power supply, and the storing module stores data as to calibration. The amplifying module obtains the signal as to voltage and current, and amplifies the same. The processing module obtains the amplified signal and processes the amplified to obtain data as to electrical flow. The processing module can obtain calibration data from the storing module, and apply corrections according to the calibration data.

Abstract: A feeding analysis system of milk-production livestock includes a plurality of image analysis devices and a central server signally connected to each image analysis device. Each image analysis device is configured to capture a plurality of images of a feeding field, perform a clear processing on the images, identify a plurality of facial images of the plurality of milk-production livestock for feeding action from the cleared images and generate a plurality of capturing signals by capturing the plurality of facial images and a feeding duration corresponding to the facial images, and transmit the capturing signals to the central server. The central server is configured to receive the capturing signals, identify the milk-production livestock identities of the facial images of the corresponding capturing signal and generate a feeding record by integrating the identified milk-production livestock identity and the feeding duration of the capturing signal.

Abstract: An annealing apparatus includes a heater plate and a cooler plate disposed in a chamber, a delivering robot, a sensor and circuitry. The delivering robot is configured to deliver a wafer between the heater plate and the cooler plate in the chamber. The sensor is located on the delivering robot and configured to output a first signal in response to a motion of the delivering robot. The circuitry is coupled to the sensor and configured to detect whether an abnormality of the delivering robot occurs according to the first signal.

Abstract: Systems and methods are provided for predicting irregular motions of one or more mechanical components of a semiconductor processing apparatus. A mechanical motion irregular prediction system includes one or more motion sensors that sense motion-related parameters associated with at least one mechanical component of a semiconductor processing apparatus. The one or more motion sensors output sensing signals based on the sensed motion-related parameters. Defect prediction circuitry predicts an irregular motion of the at least one mechanical component based on the sensing signals.

Abstract: A method of controlling chemical concentration in electrolyte includes measuring a chemical concentration in an electrolyte, wherein the electrolyte is contained in a tank; and increasing a vapor flux through an exhaust pipe connected to the tank when the measured chemical concentration is lower than a control lower limit value.

Abstract: A dairy cowshed monitoring system includes a cooling system having a plurality of operating modes, at least one image sensor, at least one temperature/humidity sensor, and a control circuit. The image sensor is for collecting image data in a dairy cowshed and obtaining a cow drinking water frequency in the dairy cowshed. The temperature/humidity sensor is for collecting a temperature and a humidity in the dairy cowshed and calculating a temperature/humidity index according to the temperature and the humidity. The control circuit is coupled to the cooling system, the image sensor and the temperature/humidity sensor and for receiving the image data, the cow drinking water frequency and the temperature/humidity index and determining whether to activate and control the cooling system in one of the operating modes to cool the dairy cowshed according to the cow drinking water frequency and the temperature/humidity index.

Abstract: A method for fault detection in a fabrication tool is provided. The method includes processing a semiconductor wafer in a fabrication tool according to a plurality of process events of a process run. The method further includes measuring humidity in the fabrication tool in at least one of the process events. The method also includes comparing the humidity measured in one of the process events with an expected humidity associated with the process event. In addition, the method includes based on the comparison, indicating an alarm condition when a difference between the measured humidity and the expected humidity exceeds a range of acceptable values associated with the process event.

Abstract: A power interface board for a server includes a main board, a plurality of power interface connectors arranged on a front surface of the main board, and an output connector arranged on an end of the main board. The main board defines a plurality of cutouts through the surface of the main board. The power interface connectors are configured to electrically connect to power supply units of the server, and the output connector is configured to electrically connect to the power interface board of the server.

Abstract: A power conversion system includes a power distribution unit and a first alternating current (AC) power supply unit (PSU) connected to the power distribution unit. The power distribution unit selectively transmits either an AC voltage of an AC power source or a first DC voltage of a direct current (DC) power source based on whether the AC voltage is supplied to the power distribution unit. The first AC PSU receives the AC voltage or the first DC voltage based on which one of the AC voltage and the first DC voltage is outputted from the power distribution unit, converts the AC voltage or the first DC voltage into a second DC voltage, and outputs the second DC voltage to a load.

Abstract: An uninterruptible power supply (UPS) includes a rectifier, a buck converter, a solar energy module, a boost converter, a controller, and a power distribution unit (PDU). The solar energy module receives solar energy and converts the solar energy to a first DC voltage. The controller compares the first DC voltage with a preset voltage, and outputs a control signal to turn the boost converter on or off. When the boost converter is turned off, the rectifier receives an AC voltage from the AC power source and converts this to a rectified DC voltage which is output to the buck converter. When the boost converter is turned on, the boost converter converts the first DC voltage to a second DC voltage. The buck converter converts the rectified DC voltage or the first DC voltage to a working DC voltage and outputs to a power supply unit through the PDU.

Abstract: A stereoscopic display device includes a display panel, a first lens array and a second lens array. The display panel has a display surface. The display panel includes a plurality of sub-pixels arranged in an array. The first lens array is disposed on the display surface of the display panel and is a one-dimension lens array. The first lens array includes a plurality of first semi-cylindrical lens extending along a first direction. The first semi-cylindrical lens has a first refractive index. The second lens array is disposed on the first lens array and is a one-dimension lens array. The second lens array includes a plurality of second semi-cylindrical lens extending along a second direction. The second semi-cylindrical lens has a second refractive index. The first direction is not parallel to the second direction.

Abstract: A power module (10) includes at least one power supply unit (110) and a power distribution board (130) separately located on different circuit boards to prevent any cross-influencing in voltage conversion. The power supply unit (110) includes an AC to DC converter (113) configured to receive an external alternating current (AC), and convert the AC into a first direct current (DC) having a voltage value within a first voltage range. The power distribution board (130) includes at least one voltage converter configured to receive the first DC and convert the first DC into at least one second DC to power the components of a server (20).

Abstract: A power supply system is for supplying power to a number of loads, and includes a number of plugs, a number of power supply modules of the same type, and a number of current distribution modules. The plugs are respectively used for connecting to an external power source, to obtain alternating current. The power supply modules are connected to the respective plugs for converting the alternating current into direct current and providing the direct current to the loads according to the requirements of the loads. Each power supply module includes a positive electrode and a negative electrode, both of which connect to a corresponding load. The current distribution module electrically connects the positive electrodes to each other, and electrically connects the negative electrodes to each other, such that the power supply modules are connected in parallel.

Abstract: An uninterruptible power supply (UPS) includes an alternating current (AC) power interface connected to an AC power source, a rectifier converting an AC voltage received from the AC power supply to a rectified direct current (DC) voltage, a converter converting the rectified DC voltage to a working DC voltage according to voltage requirement of the PSU of the electronic device, a charge and discharge circuit connected to the converter, a battery charged by the charge and discharge circuit, and a power distribution unit (PDU) to output the working DC voltage to the PSU. When the AC power source is down, the battery supplies power to the PDU through the charge and discharging circuit. The PDU further outputs the power from the battery to the PSU.

Abstract: A power supply device supplies power to a plurality of servers includes a power distribution unit (PDU) electronically connected to an alternating current (AC) power source, a plurality of power supply units (PSU) corresponding to the plurality of servers, and a stand-by power source connected to the plurality of PSUs. Each PSU connects the PDU to a corresponding server, converts alternating current from the PDU into direct current (DC) and provides the DC to the corresponding server. The stand-by power source includes a plurality of storage units. Each storage unit is located between two adjacent servers and is electronically connected between a corresponding server and a corresponding PSU. Each PSU charges a storage unit. If the AC power source stops providing AC power to the PDU, the PDU sends a control signal to the storage unit to allow the storage unit to supply DC power to the corresponding server.

Abstract: A multi power supply system includes a power supply, a power source, a control unit, a first conversion unit, and first and second switch elements. The control unit provides a timing signal indicative of a duty cycle to the first conversion unit. The first conversion unit provides an output voltage according to the duty cycle and an output voltage of the power source, so the multi power supply determines whether the first switch unit or the second switch unit is turned on according to the output voltage of the first conversion unit. Thus, the power supply and the power source can alternately supply power for the multi power supply system.

Abstract: An electronic device includes a housing, a main board, at least one guiding rail, and a distribution board. The main board is received in the housing, and a reception portion formed between the main board and the housing. The guiding rail is fixed in the reception portion and defines at least one guiding groove therein. The distribution board includes at least one sliding rail corresponding to the guiding groove. The sliding rail is slidably received in the guiding groove, and the distribution board is inserted into or pulled out of the reception portion when the sliding rail slides along the guiding groove.

Abstract: A power supply system includes a distribution board, two power supplies, an interface board, and a cable. The interface board comprises two parallel connectors arranged at a center portion of a first side of the interface board, a pair of vents respectively defined beside the two connectors, and a first adapter connector formed at an end portion of the first side. The distribution board is coupled to a second side of the interface board and comprising a second adapter connector arranged thereon. The power supplies are respectively connected to the two connectors and each defines an air vent in alignment with the vents of the interface board. The cable is connected between the first adapter connector and the second adapter connector.

Abstract: A power supply system for supplying power to a number of loads includes a number of power supply modules, a bus, and a control module. The power supply modules each comprises an input terminal receiving an input power and an output terminal outputting an output power, the input terminals of power supply modules having the same input power. The bus is configured for connecting the loads to the power supply modules. The control module calculates the ratio of the total output power of the power supply modules to the input power of one power supply module and controls the connection and the disconnection of the power supply modules according to the ratio.

Abstract: An uninterruptible power supply (UPS) includes a rectifier, a buck converter, a solar energy module, a boost converter, a controller, and a power distribution unit (PDU). The solar energy module receives solar energy and converts the solar energy to a first DC voltage. The controller compares the first DC voltage with a preset voltage, and outputs a control signal to turn the boost converter on or off. When the boost converter is turned off, the rectifier receives an AC voltage from the AC power source and converts this to a rectified DC voltage which is output to the buck converter. When the boost converter is turned on, the boost converter converts the first DC voltage to a second DC voltage. The buck converter converts the rectified DC voltage or the first DC voltage to a working DC voltage and outputs to a power supply unit through the PDU.