Abstract: An abnormality early-warning method for a fan includes: when a target fan is capable of normally dissipate heat, obtaining a target rotational speed, a target operating current, and a target ambient temperature of the target fan at a current moment; when the target rotational speed is less than a minimum rotational speed of the target fan, providing first early-warning information as a prompt; when the target rotational speed is greater than or equal to the minimum rotational speed of the target fan, predicting a rotational speed and an operating current of the target fan at a next moment based on a rotational speed change curve, a current change curve, the target rotational speed, the target operating current, and the target ambient temperature to obtain a predicted rotational speed and a predicted operating current; and when the predicted rotational speed is less than a first preset threshold or the predicted operating current is greater than a second preset threshold, providing second early-warning informa

Abstract: An apparatus and system provide coolant temperature data at the individual electronic device level, e.g., for a single server blade, using thermally conductive couplers positioned in-line with one or both of the fluid inlet and outlet tubes and temperature sensors in thermal contact with the couplers. Thus, provided with granular coolant temperature data at the device level, the cooling system, e.g., fan and/or pump speeds, may be controlled with the same level of granularity, thereby improving both temperature control and the conservation of energy.

Abstract: A vehicle system including a pump having a motor and a pullout configuration with an electrical contact. The electrical contact receives and transmits signals related to an operation of the pump and an address selection. The pump also includes a motor controller. The vehicle system also includes a system controller bus communicatively connected to the pinout configuration and a system controller communicatively connected to the pump via the system controller bus. The system controller determines that the electrical contact is energized, determines that a resistor is electrically connected to the electrical contact after determining that the electrical contact is energized, determines a resistance value of the resistor after determining that the resistor is electrically connected to the electrical contact, identifies the pump based on the resistance value, and transmits a control signal to the motor controller to control the operation of the pump.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for monitoring an HVAC system. One of the methods includes receiving pressure data from one or more sensors monitoring a supply air duct of an HVAC system at a property that indicates a pressure in the HVAC system; determining, using the pressure data, that the pressure satisfies a pressure threshold for the HVAC system; and in response to determining that the pressure satisfies the pressure threshold, adjusting an actuator-controlled damper between the supply air duct and a return air duct or adjusting a fan speed of the HVAC system.

Abstract: A pet waste machine configured to capture animal information and dispose of animal waste. The pet waste machine includes a flat surface configured to receive pet waste, wherein a roll of pads is disposed upon the flat surface. A supply housing for holding a fresh supply of pad rolls which is connected to the waste station. A take-up assembly, which is connected to an end of the pet waste machine, is configured to dispose soiled pads by rolling up and sealing the soiled portion of the pad. A control and drive module is connected to the pet waste machine and is configured to detect animal activity. The control and drive module is comprised of an activity sensor. A network connection is connected to the control and drive module and is capable of transmitting data obtained by the pet waste machine.

Abstract: The disclosure is directed to a system including a single source of electric power for work site operations. In regard to hydraulic fracturing stimulation of a wellbore, the system includes a single source of electric power for starting one or more frac pumps comprising engines with electric starters.

Abstract: A method of controlling a refrigerator including a cold air generator and a cold air transmission unit includes, when a temperature of the storage compartment becomes equal to or greater than a first reference temperature, operating the cold air generator with predetermined cooling power and turning on and operating the cold air transmitter with predetermined output, upon determining that the temperature of the storage compartment becomes equal to or less than a second reference temperature lower than the first reference temperature, turning off the cold air transmitter, and, upon determining that the temperature of the storage compartment becomes equal to or greater than the first reference temperature, turning on the cold air transmitter again, wherein a controller determines operation output of the cold air transmitter based on the cooling power of the cold air generator.

Abstract: A sump pump system may detect and utilize motion or acceleration of water in sump basins when implementing control of sump pumps. To detect the motion or acceleration, the sump pump system may utilize a sensor that is configured to detect motion or acceleration, such as an accelerometer or gyroscope. The sump pump system may identify a water level in a sump basin based on the detected motion or acceleration, which may be compared to a reading or expected signal from the sump pump system's “typical” sensor (e.g., float switch) that is used to detect one or more water levels. In this manner, the sump pump system may detect a malfunctioning level sensor that is used by the pump to detect high-water and low-water marks at which the sump pump activates and deactivates, respectively.

Abstract: The present disclosure provides a pilot proportional control valve apparatus, an automatic calibration method, engineering machinery and a storage medium, and relates to the technical field of engineering machinery, wherein the pilot proportional control valve apparatus including a hydraulic system and a controller; the hydraulic system including: a plurality of proportional pressure reducing valves, a calibration reversing valve, and a pressure sensor; the calibration reversing valve including a plurality of reversing units, an output end of each proportional pressure reducing valve being respectively connected with an input end of one corresponding reversing unit; the pressure sensor being arranged in a detection oil path; the controller performing calibration processing on the proportional pressure reducing valve according to a pilot oil detection pressure and an output pressure value of the proportional pressure reducing valve.

Abstract: Example embodiments of the present disclosure provide a method and a smart gas Internet of Things (IOT) system for automatic control of an industrial gas flow. The method may include: obtaining a water valve adjustment history record of an industrial user who uses a hot water supply device; determining a target temperature data table for the industrial user based on the water valve adjustment history record; obtaining current water valve data of the hot water supply device in response to determining that the industrial user uses the hot water supply device; and determining a gas flow parameter based on the current water valve data and the target temperature data table. The smart gas IoT system may include a smart gas user platform, a smart gas service platform, a smart gas device management platform, a smart gas sensing network platform, and a smart gas object platform.

Abstract: Embodiments of the present disclosure provide a method and an industrial IoT system for factory testing of an ultrasonic gas meter for smart production. The method may include: obtaining a type of a gas meter to be tested based on the smart production data center; determining at least one reference gas meter based on the type of the gas meter to be tested; determining, based on historical application data of the at least one reference gas meter, predicted application data of the gas meter to be tested; determining an application characteristic based on the predicted application data; determining a predetermined test parameter; issuing a test instruction to test the gas meter to be tested; and obtaining a test result based on the smart production object platform and determining a reliability score of the gas meter to be tested based on the test result and display data of the gas meter to be tested.

Abstract: Systems and methods for a datacenter cooling system are disclosed. In at least one embodiment, a thermal test vehicle (TTV) includes an air-cooled heat element associated with a plurality of fins to enable air cooling of a TTV and includes a liquid-cooled heat trace associated with a cold plate to enable liquid cooling of a TTV, where an air-cooled heat element and a liquid-cooled heat trace generate heat to enable separate or concurrent testing of air cooling and liquid cooling in a datacenter cooling system.

Abstract: A modular lighting system having a plurality of lighting units is disclosed. Each lighting unit includes a plurality of LEDs coupled to a microcontroller that is coupled to a first cable connector and a second cable connector. The system further includes a control box having a user interface, the control box communicatively coupled to each lighting unit through a plurality of cables, the plurality of lighting units and the control box all communicatively and releasably coupled to each other in series. The control box is configured to send through the first cable connector an address packet. For each lighting unit, the microcontroller is configured to adopt a first address received as a first address packet while in an addressable state, the first address being unique among the lighting units, and further configured to send a second address packet to another microcontroller after placing it in the addressable state.

Abstract: A master controller identifies a flow ratio setpoint for at least one of a process gas or a carrier gas flow to a process chamber through a set of mass flow controllers. The master controller determines a flow setpoint for the at least one of the process gas or the carrier gas through the set of mass flow controllers based on the identified flow ratio setpoint. The master controller controls the at least one of the process gas flow or the carrier gas flow through each of the set of mass flow controllers according to the determined flow setpoint for each of the set of mass flow controllers and based on a back pressure reading provided by a back pressure sensor.

Abstract: Embodiments of the present disclosure relate to an apparatus, a system, and a method for detecting and indicating the operational position of a valve of wellsite equipment. The apparatus comprises a mount portion and a housing portion. The mount is operatively coupled to a non-moving part of the valve and the housing portion is configured to receive a sensor therewithin. The sensor is configured to detect the position of a moving part of the valve and to provide an output signal indicative of the position of the moving part of the valve. The position of the moving part of the valve is indicative of the operational position of the valve. The system comprises one or more such apparatus for detecting and indicating the operational position of one or more valves on a wellsite or well pad.

Abstract: A system for temperature-controlled transport of food on a vehicle includes food carts including an opening for ingress of air and an opening for egress of air and a refrigeration system including air ducts configured to convey pressurized air from the refrigeration unit to the food carts, including air outlets configured to interface with the food carts, air ducts configured to convey air from the food carts to the refrigeration unit, including air inlets configured to interface with the food carts, wherein the air outlets and air inlets include a spring-loaded valve configured for automatically opening when a food cart rests against the valve, and for automatically closing when said food cart no longer rests against the valve, one or more fans configured for circulating air within the air ducts, and, an ultraviolet (UV) light sterilization system located within the air ducts.

Abstract: A flow rate control device having a high response accuracy is provided. A flow rate control device includes a flow sensor measuring a flow rate of a fluid, and a controller adjusting the flow rate where the flow rate of the fluid to be a flow rate set value. The controller includes a control valve changing the flow rate, a drive circuit driving the control valve, a sensor response adjustment circuit adjusting a frequency response of a measured value of the flow sensor, and a first filter attenuating a predetermined frequency band of an output of the sensor response adjustment circuit. The drive circuit, the flow sensor, the sensor response adjustment circuit, and the first filter, configure a feedback loop. A deviation between the flow rate set value and an output of the first filter becomes an input to the drive circuit.

Abstract: Disclosed are techniques and a device operable to determine a total amount of insulin delivered to the user over a predetermined time period. The total amount of insulin includes a total basal dosage delivered in basal dosages and a total bolus dosage delivered in bolus dosages over the predetermined time period. A proportion of the total amount of insulin delivered to the user provided via the total basal dosage amount over the predetermined time period is calculated. In response determining the proportion of the total amount of insulin attributed to the total basal dosage amount of insulin exceeds a threshold, an average basal dosage to be delivered within a subsequent time period that is approximately equal to the threshold may be determined. An instruction may be generated and output to deliver a modified basal dosage that substantially maintains the average basal dosage over the subsequent time period.

Abstract: Systems and methods for cooling a datacenter are disclosed. In at least one embodiment, a flow controller adapter of a cooling manifold is to interchangeably receive a flow controller of a plurality of flow controllers, wherein a flow controller adapter is associated with a rack-side flow controller and with a tube there between and is configured to be movable within cooling manifold to allow different positions for mating a flow controller with a server-side flow controller of server tray or box.

Abstract: Spa systems may be used all year round and in colder weather provide an enjoyable experience for users through the cold ambient outdoor temperature and the heated water of the spa. However, failures in respect of the water circulating pump and/or heater of the spa system either mechanically, electrically or through overall power outages mean the water in the spa system and its pipework can easily freeze if ambient conditions are cold enough leading to cracks in the spa system or pipes and hence leaks when the water thaws requiring costly repair or replacement of components or entire systems. Accordingly, a freeze protection system is provided that uses a backup thermal management system discretely or in combination with other backup systems. These freeze protection systems offering backup when mechanical failures, electrical failures etc. arise by providing thermal input to the spa system through alternate thermal paths and providing alarms.

Abstract: Apparatus for use with an applicator, systems for dispensing fluids, methods of using a nozzle (52), and a nozzle (52). The nozzle (52) includes a communication device (60) having a memory (86). The memory (86) stores data relating to the operational history and configuration of the nozzle (52). In response to receiving a query signal (90) from an interrogation device (24), the communication device (60) transmits the data residing in the memory (86). The communication device (60) also receives and stores data in the query signal (90) to the memory (86) so that the operational history of the nozzle (52) is maintained in the memory (86) of the communication device (60). The transmitted data may be received by the interrogation device (24) and used to adjust a fluid dispensing operation, determine when the nozzle (52) has reached the end of its operational life, for process improvement, or for inventory tracking.

Abstract: A fluid supply system includes a fluid delivery system including a pump, a sensor configured to acquire data regarding the fluid delivery system, and a processing circuit coupled to the sensor. The processing circuit is configured to determine a health level of the fluid delivery system based on the data and provide a notification in response to the health level not satisfying a threshold.

Abstract: Provided is a multi-port gas flow rate control apparatus. The multi-port gas flow rate control apparatus includes a gas supply chamber configured to supply a measurement gas input through one gas inflow channel while allowing the measurement gas to diverge into a plurality of flows, a plurality of gas divergence flow channels each having one side connected to the gas supply chamber and configured to transfer the measurement gas flowing through the gas supply chamber to a plurality of gas sensors, respectively, and a gas measurement chamber configured to accommodate the plurality of gas sensors, including the plurality of gas divergence flow channels configured to connect to the gas supply chamber to the plurality of gas sensors to transfer a gas outflow diverging through the gas supply chamber to the plurality of accommodated gas sensors, and configured to discharge the gas outflow sensed by the plurality of gas sensors.

Abstract: A motor controller for a pump motor is provided. The motor controller includes an input device and a memory configured to store a plurality of actuation sequences and a plurality of commands. Each actuation sequence is associated with a command. The motor controller further includes a processor coupled to the input device, the memory, and the pump motor. The processor is configured to detect at the input device, a first actuation sequence in response to the input device being actuated. The processor is further configured to perform a lookup in the memory to determine a first command corresponding to the first actuation sequence. The processor is further configured to operate the pump motor according to the first command.

Abstract: The invention refers to a hydraulic control system for controlling operation of a work attachment of a work machine, comprising a controller configured to output a work attachment control value controlling the operation of the work attachment, an operator input device configured to output a command signal depending on the amount of actuation of the operator input device for setting the work attachment control value, a save input device configured to generate a save command signal upon actuating the save input device and a mode select input device configured to select a first mode and a second mode, wherein the controller is configured to save a constant work attachment control value, wherein the constant work attachment control value is the work attachment control value as set by the command signal upon receiving the save command signal.

Abstract: Fluid injection devices and related systems and operating methods are provided. An exemplary injection device includes an actuation arrangement to facilitate delivering fluid from a container, a user interface element coupled to the actuation arrangement, a data storage element to maintain one or more patient-specific parameter values and historical bolus data, and a control module coupled to the actuation arrangement and the data storage element. The control module of the injection device determines a bolus amount of the fluid to be delivered based at least in part on the one or more patient-specific parameter values and the historical bolus data in response to receiving a user input indicative of a desire to administer a bolus, and the control module configures the actuation arrangement to automatically deliver the bolus amount in response to manual actuation of the user interface element.

Abstract: An extinguishing system and method for extinguishing fires. The extinguishing system includes-a pump system for pumping extinguishing agent; one or more nozzles connected operatively to the pump system for the purpose of spraying extinguishing agent at a source of fire; a supply or inlet arranged on the pump system for the purpose of supplying extinguishing agent to the pump system; an extinguishing conduit with an extinguishing length arranged on the pump system for the purpose of supplying extinguishing agent to the at least one nozzle; and an extinguishing controller provided with an input system for inputting system data, including data about the extinguishing conduit, the pump system and the at least one nozzle. The extinguishing controller is configured to determine with the system data an operating pressure at or close to the at least one nozzle and thereby control the pump system.

Abstract: Networked electric vehicle charging stations for charging electric vehicles are coupled with an electric vehicle charging station network server that performs authorization for charging session requests while the communication connection between the charging stations and the server are operating correctly. When the communication connection is not operating correctly, the networked electric vehicle charging stations enter into a local authorization mode to perform a local authorization process for incoming charging session requests.

Abstract: A gas distribution apparatus is provided having a first reservoir with a first upstream end and a first downstream end and a second reservoir with a second upstream end and a second downstream end. A reservoir switch valve is in fluid communication with the first downstream end of the first reservoir and the second downstream end of the second reservoir. The reservoir switch valve operable to selectively couple the first reservoir to an outlet of the reservoir switch valve when in a first state, and couple the second reservoir to the outlet of the reservoir switch valve when in a second state. A plurality of proportional flow control valves are provided having inlets coupled in parallel to the outlet of the reservoir switch valve The plurality of proportional flow control valves have outlets configured to provide gas to a processing chamber.

Abstract: Image rotation in an endoscopic hyperspectral, fluorescence, and/or laser mapping imaging system is described. A system includes an emitter for emitting pulses of electromagnetic radiation and an image sensor comprising a pixel array for sensing reflected electromagnetic radiation. The system includes a rotation sensor for detecting an angle of rotation of a lumen relative to a handpiece of an endoscope. The system is such that at least a portion of the pulses of electromagnetic radiation emitted by the emitter comprises one or more of a hyperspectral emission, a fluorescence emission, and/or a laser mapping pattern.

Abstract: A power conversion device include: a power conversion circuitry configured to generate a driving voltage for an electric motor; and control circuitry configured to: control the power conversion circuitry to generate the driving voltage corresponding to a voltage command; acquire information indicating an output current that has flown to the electric motor according to the driving voltage; calculate a phase error based on the voltage command, the output current, and an inductance of the electric motor; calculate an updated voltage command based on a frequency command, the output current, and the inductance, wherein the updated voltage command has a command phase; calculate a phase error based on the voltage command, the output current, and the inductance; correct the command phase based on the phase error; and control the power conversion circuitry to generate the driving voltage corresponding to the updated voltage command having the corrected command phase.

Abstract: A foldable display apparatus includes a display panel; a first plate under the display panel; and a support structure under the first plate and having a foldable area and two non-foldable areas respectively on both opposing sides of the foldable area. The support structure includes a first support plate having a plurality of opening patterns defined in the foldable area; a second support plate above the first support plate and including a material different from a material of the first support plate; and a first adhesive layer between the first support plate and the second support plate. The first adhesive layer has: first portions respectively in each of the non-foldable areas of the support structure; and a second portion in the foldable area of the support structure. The second portion has a higher degree of cure than a degree of cure of each of the first portions.

Abstract: An apparatus for determining the volume of fluid dispensed. The apparatus has an acoustic volume sensor that acoustically excites a reference volume and a measurement chamber with a loudspeaker and measures the acoustic response with microphones acoustically coupled to the reference and the measurement chamber. The loudspeaker and sensing microphones are connected to the measurement chamber by separate ports. A detachable dispensing chamber is coupled to the acoustic volume sensor. The volume of the fluid dispensed is determined by a processor based on the acoustic response of the microphones to acoustic excitement by the loudspeaker.

Abstract: The embodiments of the present disclosure provide method and Internet of Things system for determining odorization parameters of smart gas device management. The method may include obtaining gas data of a first gas sample at a first position of a smart gas pipeline network, odorizing at a second position of the smart gas pipeline network based on the odorization parameters, obtaining inspection data of a second gas sample at a third position of the smart gas pipeline network, and sending the inspection data to the smart gas pipeline network device parameter management sub-platform for analysis and processing, obtaining a target odorization concentration, and determining target odorization parameters, updating the odorization parameters based on the target odorization parameters, and send updated odorization parameters to the smart gas data center, and odorizing, based on the updated odorization parameters, at the second position of the smart gas pipeline network.

Abstract: Devices, systems and methods for leak detection are provided herein. Also provided are devices, systems and methods for monitoring and/or measuring fluid usage. In some aspects, a system comprising a sensor, a processing system, and a platform are provided. In some aspects, the sensor may be coupled to a spinning device. The sensor can be configured to detect fluid data, which can comprise, for example, displacement data of liquid and/or movement data associated with the liquid in a container and/or flow data associated with a flow of fluid in a conduit. The processing system can be coupled with the sensor and configured to communicate the fluid data. The platform can comprise an application communicatively coupled to one or more databases storing evaluation data (e.g., known pattern data) and configured to receive the fluid data and determine if there is a leak.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for power selection, including evaluating a first power source to determine if the first power source is available, evaluating a second power source to determine if the second power source is available, upon determining that a power source of the first and second power sources is available, selecting the power source, providing power from the selected power source to a sensor, and performing the diagnostic task based on an input from the sensor.

Abstract: A beacon-based metrics system may track events associated with a user device located within a medical facility, determine that the user device detects a beacon emitted by a beacon generator located within the medical facility, and identify information included in the beacon. The beacon-based metrics system may generate medical facility metrics data representative of the tracked events by identifying a set of tracked events that occur during a time period in which the user device detects the beacon and associating the information included in the beacon with the set of tracked events.

Abstract: An adjustable rotary flow valve, comprising: a body; an upstream port; a downstream port; a rotary disc comprising a water flow opening; a rotating mechanism couple with the rotary disc and configured to move the water flow opening past a plurality of channels in a flow of water from the downstream port to the upstream port so as to variably restrict the flow; dial graduations that illustrate a plurality of flow percentage; and a dial couple with the rotating mechanism and configured to illustrate via the dial graduations the current flow percentage based on a position of the rotary disc.

Abstract: To predict a temperature of a chip of a PCIe card of a server, use a gated recurrent unit of a recurrent neural network to define a temperature prediction model for the chip, collect training data of the temperature prediction model according to mutual response changes of control variables, use the training data to train the temperature prediction model to obtain a training result close to a measured temperature of the chip and evaluate the training result to obtain features that best reflect the temperature change of the chip, perform an error analysis on the training result to obtain a set of key features from the features, form a temperature predictor according to the set of key features and the temperature prediction model, and generate a predicted temperature of the chip by the temperature predictor.

Abstract: A start-up method for contacting a feed stream with fluidized catalyst is disclosed. The start-up method comprises reacting a feed stream over a catalyst to produce a gas stream and spent catalyst. The gas stream is separated from the spent catalyst. The separated gas stream is passed to a compressor. The operating condition associated with the compressor is measured. Based on the measured operating condition associated with the compressor, one or both of a supplemental hydrocarbon stream and a supplemental hydrogen gas stream is provided to the compressor to meet a predetermined operating condition associated with the compressor.

Abstract: A motor assembly includes a shaft, a bearing, at least one fluid channel, a temperature sensor, a lubricant supply pump, and a controller. The bearing defines a bearing interface against which the shaft rotates. The at least one fluid channel is fluidly coupled with the bearing interface. The temperature sensor detects a temperature of the bearing. The lubricant supply pump is fluidly coupled with the at least one fluid channel to transport lubricant from a lubricant supply to the bearing interface via the at least one fluid channel. The controller receives the bearing temperature from the temperature sensor, determines a difference between the bearing temperature and a supply temperature of the lubricant, determines a lubricant flow rate based on the difference, and transmits a control signal to the lubricant supply pump to cause the lubricant supply pump to transport the lubricant to the bearing interface at the lubricant flow rate.

Abstract: A method for rejuvenating a strand-blocked cable having a conductor comprised of a plurality of conductor strands with interstitial volume therebetween blocked by a PIB based mastic, the conductor being surrounded by a polymeric cable insulation. The method comprising installing injection adapters that seal the cable ends of the cable and are usable to inject fluid into the interstitial volume between the conductor strands of the cable; elastically expanding the polymeric cable insulation through the application of pressure to the interstitial volume between the conductor strands of the cable; and injecting at least one injection fluid in which the PIB based mastic is at least partially soluble into the interstitial volume between the conductor strands of the cable. To facilitate elastic deformation of the polymeric cable insulation, the cable may be heated to and maintained at a temperature of T1 above ambient during the injection.

Abstract: A flow rate control device 100 includes a control valve 6 provided in a flow path 1, a flow rate measurement unit 2, 3 for measuring fluid flow rate controlled by the control valve 6, and a controller 7. The controller 7 is configured so as to control the opening/closing operation of the control valve 6 to match the measurement integral flow rate based on the signal outputted from the flow rate measurement unit (Vn+Vd) to the target integral flow rate Vs.

Abstract: Fault diagnostics utilize an embedded tracking digital twin of a valve assembly physical part in a microprocessor system of the valve positioner. The digital twin has simulation model parameters including a fault-related simulation model parameter. The digital twin receives a control signal representing a real control of the at least part of the valve assembly, and generates simulated measurements relating to the simulated control result. The digital twin compare the simulated measurements with real measurements that relate to the real control result, to track an error between the results of simulated operation and the real operation of the valve assembly to adjust the fault-related simulation model parameter in a sense that the error is decreased. The fault-related simulation model parameter relates to a specific physical fault in the physical part of the valve assembly, and it is detectable and identifiable based on the simulation model parameter adjusted value.

Abstract: To determine efficiencies of wellbore pressure control valves, results of manufacturer tests performed by a manufacturer of a pressure control valve (PCV) are identified. The PCV is configured to control flowrate of a fluid through a pipeline. The manufacturer tests correlate quantities of the fluid that the PCV allows to flow through the pipeline at respective open positions of the PCV. After installing the PCV in a flowline downstream of a production tree disposed within a hydrocarbon gas production wellbore to control hydrocarbon gas flowrate through the production wellbore, operational tests are performed on the PCV to measure quantities of the hydrocarbon gas that the PCV allows to flow through the flowline at the respective open positions of the PCV. The results of the manufacturer tests are compared with results of the operational tests. Based on a result of the comparing, an operational condition of the PCV is determined.

Abstract: A fluid injector system has a controller for operably controlling the injection of contrast and/or saline into a patient. The controller allows a user to program a diagnostic injection procedure having one or more phases according to which the contrast and/or saline will be injected into the patient so as to effect enhancement of a region thereof during an imaging procedure. It further allows the user to program a test injection procedure to be performed prior to the diagnostic injection procedure. The test injection procedure is implementable as: (a) a variable single phase test injection in which the rate at which the saline is to be delivered is selectable prior to and may be varied during performance thereof; and/or (b) a multi-phase test injection in which the rate at which the saline is to be delivered is selectable for each phase of the multi-phase test injection prior to performance thereof.

Abstract: A flow rate control device capable of suppressing overshoot while improving responsiveness at the beginning of flow rate control includes: a flow rate meter that measures a flow rate of a fluid flowing through a flow path; a flow rate regulating valve that regulates the flow rate of the fluid flowing through the flow path; and a control part that controls an opening degree of the flow rate regulating valve based on a measurement result of the flow rate meter, the flow rate control device has: a low flow rate rapid valve opening function that accelerates an outflow of the fluid by forcibly opening the opening degree of the flow rate regulating valve from fully closed degree to a designated opening degree when the opening degree of the flow regulating valve is fully closed and a flow rate control is started; and an overshoot suppressing function that is used for suppressing the overshoot by making the flow rate control stand by until a preset standby time or a preset flow rate threshold is reached immediately a

Abstract: The invention concerns a method for controlling a mechanism (10) displaying asymmetrical behaviour, the mechanism (10) comprising a first operating direction (F+) and a second operating direction (F?), the control method making it possible to generate, using a control module (24) of a computer (20), a control signal (x_com) from a setpoint signal (x_cons), in which—when the setpoint signal (x_cons) indicates that the mechanism (10) should be operated in the first direction (F+), the control module (24) applies a first corrector (100) to the setpoint signal (x_cons) in order to generate a control signal (x_com),—when the setpoint signal (x_cons) indicates that the mechanism (10) should be operated in the second direction (F?), the control module (24) applies a second corrector (100) to the setpoint signal (x_cons) in order to generate a control signal (x_com), and in which the first and second correctors (100, 200) have different parameters (Kp1, Kp2, Ti1, Ti2), in order to compensate for the asymmetrical beha

Abstract: The present invention specifically relates to the pneumatic and electronic application of a pneumatic leak meter based on absolute pressure drop measurement having the peculiarity of compensating for ambient variations such as ambient temperature and temperature of the measured part, as well as mechanical deformations of the component being tested caused by the pressure being applied.

Abstract: A method for operating a water treatment plant, wherein the plant is equipped with an apparatus for injecting a gas containing oxygen into an effluent, the method comprising a phase of detecting anomalies in the operation of the apparatus, wherein the phase of detecting anomalies comprises an implementation of the following steps: providing data representative of the operating state of the apparatus; and providing a system for acquiring and processing said data.