Abstract: A chatter vibration determination device is provided with a machine learning device configured to observe machining condition data including a feed speed and a spindle rotational frequency in cutting as state data representative of the current state of environment, execute processing related to machine learning using a learning model obtained by modeling the relationship of chatter vibration with a machining condition for the cutting, based on the state data, and estimate the occurrence/non-occurrence of chatter vibration and the improvement of the chatter vibration. The chatter vibration determination device outputs the result of the estimation of the occurrence/non-occurrence of the chatter vibration and the improvement of the chatter vibration.

Abstract: A controller for an economizer that provides outdoor air to a conditioned space. The controller includes an error calculator configured determine an indoor air quality (IAQ) setpoint error based on an actual IAQ and an IAQ setpoint, an outdoor air flow (OAF) setpoint adjuster configured to determine an adjusted OAF setpoint based on at least one of the IAQ setpoint error, an initial OAF setpoint, and an OAF setpoint upper limit, and a proportional variable deadband controller (PVDC) configured to adjust an operational deadband of the economizer and adjust an operation of at least one of an actuator and a damper of the economizer to achieve the adjusted OAF based on at least one of an actual OAF and the adjusted OAF setpoint. Achieving the adjusted OAF drives the actual IAQ to the IAQ setpoint.

Abstract: A power supply includes a casing; an AC-to-DC converter; an inverter electrically coupled to the AC-to-DC converter; a transformer having a primary side and a secondary side, wherein the inverter is electrically coupled to the primary side of the transformer; an output rectifier electrically coupled to the secondary side of the transformer; a fan, disposed in the casing and configured to remove heat from the casing generated by the AC-to-DC converter, the inverter and the output rectifier; and a fan controller configured to control when the fan is operational, wherein the fan controller is configured to execute a state machine that is configured to change states based at least on a dynamically adjustable counter.

Abstract: Operating a substrate processing system includes receiving a plurality of sets of training data, storing a plurality of machine learning models, storing a plurality of physical process models, receiving a selection of a machine learning model from the plurality of machine learning models and a selection of a physical process model from the plurality of physical process models, generating an implemented machine learning model according to the selected machine learning model, calculating a characterizing value for each training spectrum in each set of training data thereby generating a plurality of training characterizing values with each training characterizing value associated with one of the plurality of training spectra, training the implemented machine learning model using the plurality of training characterizing values and plurality of training spectra to generate a trained machine learning model, and passing the trained machine learning model to a control system of the substrate processing system.

Abstract: There is described a method and system for regulating an extrusion process by obtaining a first thickness at a first position along an extrudate as material is extruded through a die gap of a die; comparing the first thickness with an expected thickness of the extrudate at the first position to obtain a value for an error, the expected thickness modeled in real-time using a size of the die gap as input; and varying the size of the die gap when the error exceeds a threshold to compensate for the error. There is also described a method and system for determining an expected thickness of a material during an extrusion process.

Abstract: An observed operational state can include an operational state of one or more system devices. A sensor can emit, in response to a detected observable condition reflective of a given operational state, a simulated signal reflective of a different operational state as a proxy for the detected condition. A controller receiving such a proxy signal can, at least partially responsively to the proxy signal, issue a command corresponding to the given operational state. An electro-mechanical actuator can be selectively activatable responsive to the command.

Abstract: A system and method for accelerated tuning of hyperparameters includes receiving a multi-task tuning work request for tuning hyperparameters of a model, wherein the multi-task tuning work request includes: a full tuning task for tuning hyperparameters, wherein the full tuning task includes a first set of tuning parameters governing a first tuning operation; a partial tuning task for tuning the hyperparameters of the model, wherein the partial tuning task includes a second distinct set of tuning parameters governing a second tuning operation; executing the first tuning operation and the second tuning operation; generating a first suggestion set and a second suggestion set of one or more proposed values for the hyperparameters based on the execution of the full tuning task and the partial tuning task; and setting the partial tuning task as a proxy for the full tuning task thereby accelerating a tuning of the hyperparameters of the model.

Abstract: An extension cord includes a plurality of electrical conductors. A plug is configured to electrically couple a first respective end of the plurality of electrical conductors with an electrical receptacle of a power source. An outlet assembly is coupled with a second respective end of the plurality of electrical conductors. The outlet assembly may include one or more outlet receptacles configured to provide electrical power from the power source. A power meter may be configured to measure an electrical draw through the outlet assembly and to provide a user perceptible output based upon the measured electrical draw. A carbon monoxide monitor may be configured to detect an environmental carbon monoxide level proximate the outlet assembly and to provide a user perceptible indication when the detected environment carbon monoxide level exceeds a threshold.

Abstract: A workpiece transfer system including a robot that transfers a workpiece taken out of a furnace to a press forging device, a temperature measuring device that measures a temperature distribution of the workpiece being transferred by the robot, and a heating device that is capable of locally heating the workpiece in a low temperature region of the temperature distribution measured by the temperature measuring device.

Abstract: A system that serves a space includes one or more data sources that provide utilization data describing an actual utilization of the space and circuitry configured to calculate a utilization attribute of the space based on the utilization data and retrieve, from a space profile for the space, a utilization target corresponding to the utilization attribute. The space profile is selected from a plurality of selectable space profiles defining a plurality of target utilizations. The circuitry is also configured to generate a normalized utilization metric for the space by normalizing the utilization attribute relative to the utilization target and generate a recommendation for the space based on the normalized utilization metric.

Abstract: The application involves a stability evaluation method and system of direct-drive wind turbine generator, which belongs to the technical field of wind power generation. It solves the problems of poor stability of direct-drive wind turbine generator, low safety performance, failure to realize mutual cooperation between online stability evaluation and parameter adjustment in the existing technology. Firstly, the variation of direct-drive wind turbine generator terminal voltage, current, power and PLL angle of direct-drive wind turbine generator is measured, the terminal energy and the energy negative gradient of direct-drive wind turbine generator is calculated. Then, the system stability is assessed according to the value of energy negative gradient, the influence of the critical parameters on system stability is analyzed and the preliminary adjustment strategy is proposed.

Abstract: Disclosed are devices and methods for periodically powering up a storage device(s) (SSDs) associated with a vehicle to avoid and prevent data loss. The disclosed embodiments provide mechanisms for preserving stored data collected during the running of a vehicle without requiring the main power supply to be routed through the CPU. Through the improved configuration and application of the disclosed power management integrated circuitry (PMIC), storage devices of a vehicle are enabled to be provided direct power and refreshed without powering on the vehicle (e.g., starting the car). The PMIC also ensures that the necessary power can be provided to and maintained to the storage device(s) in the event of an unexpected power loss.

Abstract: An observed operational state can include an operational state of one or more system devices. A sensor can emit, in response to a detected observable condition reflective of a given operational state, a simulated signal reflective of a different operational state as a proxy for the detected condition. A controller receiving such a proxy signal can, at least partially responsively to the proxy signal, issue a command corresponding to the given operational state. For example, a leak detector can emit in response to a detected leak, or a flow-rate sensor can emit in response to a detected flow-rate of a liquid, a simulated fan-speed tachometer signal representative of a selected fan speed. At least partially in response to observing a simulated tachometer signal, a controller can issue a system command corresponding to an underlying system condition for which the simulated tachometer signal is a proxy.

Abstract: A method for designing and/or controlling a filter assembly for the air supply to a turbomachine includes: calculating a current and/or an expected concentration of particles in air present at an inlet of at least one filter stage of the filter assembly as a function of a mean size of the particles; calculating a sensitivity spectrum that, depending on the mean size of the particles, indicates an extent to which a predetermined concentration of such particles has a negative effect on performance and/or on service life of the turbomachine; calculating, for at least one filter candidate usable in the filter stage and/or switchable on or off, a concentration of particles to be expected at an outlet of the filter from a concentration and filter properties of the at least one filter candidate; and calculating a quality rating from the concentration and a sensitivity spectrum.

Abstract: A energy supply system with at least a renewable energy generator and a standard generator driven by fossil energy and a dump load system, which could be a battery. The renewable generator may be limited in it's energy production when the load is to low. The generator may be feed with energy, i.e. driven in motor load to take over short term surplus energy. The system may contribute to stabilization of grid fluctuations with its mechanical inertia from the rotating alternator in the engine stopped mode and with the engine in other modes.

Abstract: The present invention discloses a determination method for a preferred habitat of fish and a terminal device, wherein the method comprises: acquiring parameter information of a water environment in which target fish is located, and establishing a 3D water environment model by utilizing the parameter information of the water environment; determining an ecological function of the target fish and constructing a bio-simulation model on the 3D water environment model by combining the ecological function; acquiring a movement locus of the target fish in the bio-simulation model and determining potential habitats of the target fish according to the movement locus; and determining the preferred habitat of the target fish from the potential habitats by utilizing a preference learning model based on a density accumulation method.

Abstract: In a material verification method, information of newly loaded materials in a production line is obtained. It is determined whether the information has been verified. If the information has not been verified, it is determined whether a tray supporting the newly loaded materials has been switched from use in producing a first product to use in producing a second product. If the tray supporting the newly loaded materials is not switched to use in producing the second product, the information of the newly loaded materials is presented to a user for material verification. A system for administering such method and a device applying the method are also disclosed.

Abstract: An optimization device includes: a plurality of search parts; and a controller that controls the plurality of search parts, wherein, each of the plurality of search parts includes a state holding part configured to hold each of values of a plurality of state variables included in an evaluation function representing an energy value, an energy calculation part configured to calculate a change value of the energy value generated in a case where any one of the values of the plurality of state variables is changed, and a transition controller configured to stochastically determine whether or not to accept a state transition by a relative relation between the change value of the energy value and thermal excitation energy, based on a set temperature value, the change value, and a random number value.

Abstract: Example systems, apparatus, and methods receive audio information including a plurality of frames from a source device, wherein each frame of the plurality of frames includes one or more audio samples and a time stamp indicating when to play the one or more audio samples of the respective frame. In an example, the time stamp is updated for each of the plurality of frames using a time differential value determined between clock information received from the source device and clock information associated with the device. The updated time stamp is stored for each of the plurality of frames, and the audio information is output based on the plurality of frames and associated updated time stamps. A number of samples per frame to be output is adjusted based on a comparison between the updated time stamp for the frame and a predicted time value for play back of the frame.

Abstract: Methods and apparatus for optimizing device power and efficiency based on host-controlled hints prior to low-power entry for PCI Express blocks and components. Data structures containing low-power state capability information mapping one or more fine-grained low-power states for each of at least one of an L0s, L1, L1.1, and L1.2 PCIe-defined low-power state are stored on a PCIe device coupled to a Host via a PCIe link. Messages are exchanged over the PCIe link between the Host and PCIe device to configure, using the low-power state capability information, blocks and/or components on the PCIe device to enter a fine-grained low-power state instead of an associated PCIe-defined low-power state mapped to the fine-grained low-power state when the PCIe device detects a power-change event or receives a command to enter the associated PCIe-defined low-power state. Sequences of power-level changes between multiple fine-grained low-power states may also be implemented.