Abstract: Embodiments of this present disclosure may include a handle disposed on an outer surface of a housing of electrical circuitry. The handle may provide access to at least a portion of the electrical circuitry. The handle may include a status indicator that emits light in response to a control signal from control circuitry. The status indicator may be disposed around the handle. The control circuitry may detect a state of the electrical protection circuitry. The control circuitry may also transmit the control signal to the status indicator based on the state. The control signal may control one or more properties of the light emitted by the status indicator, and thus indicate to an operator the state of the electrical circuitry.

Abstract: An object recognition apparatus for automatic detection of an abnormal operation state of a machine including a machine tool operated in an operation space monitored by at least one camera configured to generate camera images of a current operation scene is provided. The generated camera images are supplied to a processor configured to analyze the current operation scene using a trained artificial intelligence module to detect objects present within the current operation scene. The processor is also configured to compare the detected objects with objects expected in an operation scene in a normal operation state of the machine to detect an abnormal operation state of the machine.

Abstract: A building management system includes building equipment operable to affect a physical state or condition of a building, a system manager, and a cloud-based data platform. The system manager is coupled to the building equipment via a system bus and configured to obtain alarm data from the building equipment and generate a timeseries sample including the alarm data. The cloud-based data platform includes a timeseries service configured to receive the timeseries sample from the system manager, extract the alarm data from the timeseries sample, and store the alarm data as a sample of an alarm timeseries.

Abstract: A method for controlling an angular speed of a fan of a computer system includes obtaining an error value; obtaining an adjusted error value by adjusting the error value using an adjustment constant when an absolute value of the error value is not larger than a predetermined value; obtaining a total output value according to at least the adjusted error value; and controlling the angular speed of the fan according to the total output value. The total output value is positively related to a pulse width modulation value, and the angular speed of the fan increases when the pulse width modulation value increases.

Abstract: An environmental apparatus controller performs control over multiple types of environmental apparatuses, and includes a grasping unit, learning control plan output means, and a selection control unit. The grasping unit grasps current mental and physical condition information of a user, environmental situation information, and target relationship information between a target mental and physical condition and a present mental and physical condition. The learning control plan output means outputs a control change plan for each combination of multiple types of the environmental apparatuses according to the current mental and physical condition information, the environmental situation information, and the target relationship information. The selection control unit selects one of a plurality of the control change plans output by the learning control plan output means and executes the plan.

Abstract: Methods, apparatuses, and computer program products are disclosed for performing air quality maintenance. An example method include receiving an air quality dataset and generating a quality tendency projection based upon the air quality dataset that includes a quality rate of change. In an instance in which the quality tendency projection exceeds a prediction threshold and the quality rate of change exceeds a pollutant rate increase threshold, the method performs performing air degradation analysis. In an instance in which the quality tendency projection exceeds a warning threshold and the quality rate of change exceeds a pollutant rate decrease threshold, the method performs ventilation analysis.

Abstract: A predictive controller controls a system under uncertainty subject to constraints on state and control variables of the system. At each control step, the predictive controller solves an inequality constrained nonlinear dynamic optimization problem including probabilistic chance constraints representing the uncertainty to produce a control command, and controls an operation of the system using the control command. The predictive controller solves the dynamic optimization problem based on a two-level optimization that alternates, until a termination condition is met, propagation of covariance matrices of the probabilistic chance constraints within the prediction horizon for fixed values of the state and control variables with optimization of the state and control variables within the prediction horizon for fixed values of the covariance matrices.

Abstract: A method for automated optimisation of a servo control system controlled by a setpoint, the servo control system including a corrector in a feedback loop, the method exhibiting satisfactory reliability and performance in terms of stability through an iterative procedure, the most effective corrector being determined from among correctors by developing a current value of the delay margin and by individually testing the correctors on the servo control system of the real mechatronic system and by injecting an excitation signal into the loop and by assessing two effective indicators based on at least one effective static margin and one effective dynamic margin, the two effective indicators being an effective static indicator and an effective dynamic indicator, the iterative procedure being stopped on a corrector, which is then the optimal corrector, when the two effective indicators become greater than respective thresholds determined for a current delay margin value.

Abstract: An apparatus comprises a light source array, a communication interface, and a controller. The light source array comprises one or more directional light sources. The communication interface is configured to receive user data from at least one appliance, the user data indicative of an identity of a user. The controller is configured to analyze the identity of the user and activate the one or more directional light sources in response to the identity of the user.

Abstract: A load management system including a number of sensors structured to sense characteristics of a managed area, a controller including a processor structured to estimate occupancy of the managed area based on outputs of the number of sensors and to implement a load management scheme, a number of circuit breakers, at least one of the number of circuit breakers being electrically connected to a corresponding load circuit and including a metering circuit structured to meter energy provided to the load circuit and a device control unit structured to control one or more load devices electrically connected to the load circuit based on the load management scheme. The processor is structured to implement the load management scheme based on outputs of the sensors and metering information of one or more of the circuit breakers.

Abstract: A management device for managing a component mounter that mounts components onto a substrate using some of constituent elements each selected from one of constituent element groups each including the constituent elements. One group is a nozzle group including nozzles. The device includes: a true displacement amount calculator that calculates, for each target component which is the component, a true amount of displacement which is a sum of (i) an amount of pickup displacement being an amount of displacement between the target component and a target nozzle being one of the nozzles and picks up the target component and (ii) an amount of correction being an amount of offset of a position of the target nozzle when picking up the target component; and a statistical processor that performs parameter estimation for a predetermined statistical model using the true amount to calculate a degree of malfunction of each constituent element.

Abstract: In an embodiment, a data processing method comprises storing one or more generic machine operating definitions, wherein each of the generic machine operating definitions describes expected operational behavior of one or more types of machines during one or more operating states; analyzing operating data that describes past operation of a plurality of machines of a plurality of types; based at least in part on the operating data and the one or more generic machine operating definitions, generating and storing one or more machine operating models that describe expected operational behavior corresponding to a plurality of operating states of the plurality of machines; wherein the one or more machine operating models comprise a plurality of data patterns, wherein each of the data patterns is associated with a different set of one or more operating states of one or more machines; wherein the method is performed by one or more computing devices.

Abstract: A method, medium, and system to receive a specification defining a model of a part to be produced by an additive manufacturing (AM) process; execute an AM simulation on the model of the part to determine a prediction of thermal distortions to the part; execute a topology optimization (TO) to create TO supports that counteract the predicted thermal distortions; generate at least one rule-based support based on a geometry of the part to interface with the part at one or more regions other than the TO supports; combining the TO supports and the at least one rule-based support to generate a set of hybrid supports; save a record of the set of hybrid supports; and transmit the record of the set of hybrid supports to an AM controller to control an AM system to generate a support structure for an AM production of the part.

Abstract: To solve the problem that a resonance phenomenon occurs between an outdoor unit and a compressor of existing air conditioners, embodiments include a compressor and a pipeline connected to the compressor. A control method includes obtaining a vibration displacement of the pipeline during the operation of the air conditioner and recording it as a first vibration displacement; obtaining the vibration displacement of the pipeline again after time has elapsed and recording it as a second vibration displacement; and selectively adjusting operating parameters of the compressor according to the first vibration displacement and the second vibration displacement. The vibration condition of the outdoor unit is determined through the real-time vibration condition and the vibration change condition of the pipeline so the air conditioner can selectively change the operating parameters of the compressor according to the vibration condition. Thus the vibration condition of the compressor is changed to avoid pipeline damage.

Abstract: A single-wire safety system architecture yields reliable safety device monitoring without the need for dual redundant signal channels. The safety system comprises a safety relay and one or more compatible safety input devices connected in series with the safety relay via a single-wire communication circuit. A safety signal with a recognizable pulse pattern traverses the single-wire safety circuit to the safety relay via the safety devices. The safety relay opens its contactors and deenergizes its associated industrial equipment if the pulse pattern is not received and recognized. The safety relay can also be configured to initiate a global emergency stop in response to a loss of a safety function by one of its safety input devices, the global emergency stop instructing other safety relays of other safety circuits to open their contactors and enter safe mode.

Abstract: In a method for guiding a cutting head in relation to a material, a position and a speed of the cutting head are set by means of a drive unit depending on a desired position value and a desired speed value established by an interpolator unit, a control signal for the drive unit is determined, a distance between the cutting head and the material is determined with a distance sensor, and a corresponding distance signal is provided. The distance signal is compared with a predetermined comparison distance to yield a distance-control signal, and the control signal for the drive unit is additionally determined dependent upon a distance-control signal. The comparison distance is subtracted from the distance signal and the difference is superimposed on the actual position signal, which is delayed by a first time period, wherefrom the distance-control signal is determined.

Abstract: A centralized voltage controller connected, via a communication network, to local voltage control units controlling voltage controllers, which are connected to a distribution line of a distribution system and control voltage of the distribution line, has: a voltage distribution determination unit calculating a controlled amount for each first voltage controller to be controlled among the plurality of voltage controllers, based on a measured value of voltage at each point of the distribution line; a tap position determination unit generating a command value to be given to each local voltage control unit based on the controlled amount; and a control state determination unit determining whether each voltage controller is a second voltage controller that fails to perform control according to the command value, and setting the voltage controllers except the second voltage controller to be the first voltage controller.

Abstract: There is described a mobile device and method for commissioning air intake control of an environmental control system. A communication component receives multiple air measurements from an air flow sensor, in which the air flow sensor is positioned in a duct compartment of the environmental control system. The processor generates multiple air flow tables based on the multiple air measurements, multiple fan speeds associated with the environmental control system, and multiple damper positions associated with the environmental control system. The communication component transmits the multiple air flow tables to an air intake controller of the environmental control system.

Abstract: A correction control method includes steps of rebuilding a fuzzy inference system, setting a maximum correction value and a minimum correction value, determining whether there is an output value to be outputted, deciding a intermediate correction value and determining whether a range of an interval between the maximum correction value and the intermediate correction value is enough to constitute the fuzzy interval of the membership function, allowing the correction unit to output the maximum correction value, the minimum correction value and the intermediate correction value, adjusting the fuzzy inference system, allowing the fuzzification unit to constitute the minimum correction value according to the output value, determining whether a range of an interval between the maximum correction value and the minimum correction value is enough to constitute the fuzzy interval, and notifying that functions of the fuzzy inference system are failed.

Abstract: A numerical control system diagnoses and maintains a numerical control machine tool by measuring backlash and downloading a backlash correction value to the numerical control machine tool. The system includes a host computer device that downloads a monitor management program to a numerical controller of the numerical control machine tool, collects numerical control information input/output between the numerical controller and a servomotor, analyzes the numerical control information, and diagnoses the numerical control machine tool.