Abstract: An acquisition device includes a wall and a transducer constituted by a body on which electrodes are fastened spaced apart from one another. An electrical impedance of the transducer is variable as a function of deformation of the transducer. When looking in a direction perpendicular to a surface of the wall, at least two electrodes of the plurality of electrodes are spaced apart from each other. The transducer is incorporated under the surface of the wall.

Abstract: A sampling device for taking samples from a gaseous beverage under pressure includes a connection for a beverage line, a pump having a pump chamber, a particle filter, a discharging opening for a beverage sample, an outlet for waste, a control device, and a line system connected to the pump chamber with adjustable valves. The sampling device is configured so a beverage sample with a volume smaller than the volume of the pump chamber is introduced from the connection into the pump chamber. The pump chamber is then separated from the connection and is expanded so gas exits from the beverage sample. The pump chamber is then connected to the outlet opening and compressed so gas which has passed out of the beverage sample is displaced. Then, the pump chamber is connected to the discharging opening via the particle filter and compressed so the beverage sample is displaced.

Abstract: An action force detecting unit for a rotary member that detects a force acting on a rotary member such as a rotary shaft and a wheel easily and accurately. The action force detecting unit comprises: a first rotor rotated integrally with a tire; a second rotor rotated relatively to the first rotor; a case fixed to a vehicle body while rotatably supporting the first rotor and the second rotor; a first thrust bearing supporting the first rotor; a second thrust bearing supporting the second rotor; a load translating mechanism transmitting a torque between the first rotor and the second rotor while translating the torque partially into a thrust force; a detector fixed to the case to detect a flexure relating to the thrust force applied to the second thrust bearing; a calculator calculating the force acting on the tire based on the flexure detected by the detector; and a transmitter transmitting a signal in accordance with a torque calculated by the calculator.

Abstract: A dynamic quantity measuring apparatus includes a strain sensor, a resin member, a strain body, and a boding portion. The strain sensor has a plurality of piezoresistance elements and a plurality of electrode pads formed on a surface of a semiconductor substrate. The resin member for electrical wiring is provided with a plurality of wires electrically connected to the plurality of electrode pads. The strain body is joined to a back surface of the strain sensor. The bonding portion is configured to bond the resin member for electrical wiring to the strain body. A groove is provided in a region of the resin member for electrical wiring located in a vicinity of the strain sensor.

Abstract: A fiber-based accelerometer (FAC) detector includes a base; first and second flexures mechanically coupled to the base; first and second masses mechanically coupled to the first and second flexures, respectively; and a fiber Bragg grating (FBG) fiber mechanically coupled to the first and second masses, wherein the first and second flexures and the first and second masses are configured to move in response to a force and/or acceleration acting upon the first and second masses to produce a compression or expansion of the first FBG fiber.

Abstract: A liquid detection device and a liquid detection system are provided for detecting whether there is abnormal liquid on the surface to be detected. The liquid detection system can be used in specific working areas. A first electrode and a second electrode are used. The first electrode and the second electrode are mounted on the housing. A measuring circuit is installed inside the housing. The measuring circuit measures the impedance value between the first electrode and the second electrode, to distinguish whether there is abnormal liquid or not. The liquid detection system includes a plurality of liquid detection devices and a controller. The controller is responsible for collecting the measurement results of the plurality of liquid detection devices and performing corresponding operations.

Abstract: A mounting system for mounting a sensor assembly to a pair of rotatable members coupled by an articulation joint includes a sensor mounting plate. The sensor mounting plate is coupled to a first rotatable member and supports at least one sensor element thereon such that the at least one sensor element is in alignment with an axis of the articulation joint. The mounting system also includes a target mounting plate that is disposed in a spaced-apart manner from the sensor mounting plate. The target mounting plate has a target mounting portion for supporting the target element thereon, and a support arm extending from the target mounting portion. Further, the mounting system also includes a post having a first end configured to couple with the second rotatable member and a second end that is configured to adjustably support the support arm of the target mounting plate via an adjustment block.

Abstract: A detection device detects a dynamic quantity exerted on a detection mechanical system including first and second mechanical oscillators. The detection device includes first to third transducers, a canceller, a low-pass filter, and an inverting amplification unit. The first transducer detects the first mechanical oscillator position in a first direction to output a first signal. The second transducer detects the second mechanical oscillator position in a second direction to output a second signal. The canceller inverts a direction in which a signal detected by the second transducer from the second mechanical oscillator varies according to the first signal. The third transducer detects the second mechanical oscillator position in the second direction to output a third signal. The inverting amplification unit gives a control signal generated by inverting the third signal to a second actuator moving the second mechanical oscillator.

Abstract: A personal electrostatic bioaerosol sampler (PEBS) for collecting bioaerosols (from virus to pollen) at high sampling flow rates and for measuring personal exposures to bioaerosols in various occupational environments, particularly at their low concentrations and for extended periods of time, and a method of using same, are disclosed. The PEBS includes a base holder, a charging section, and a collection section. Charging section includes a first member inside a center of charging section configured to be connected to positive or negative high voltage and a second member disposed therearound a midpoint of first member inside charging section configured to be grounded such that a plurality of ions are produced for charging a plurality of incoming particles.

Abstract: A mounting device holds a sensor, such as an ultrasonic fluid level sensor, against a side of a reservoir, such as a blood reservoir in an extracorporeal blood circulation system. Flexible foot pads in a base sheet carry an adhesive coating for attaching the footpads to an arbitrarily shaped outer wall of the reservoir. A rigid bayonet-type locking connector which receives the sensor is suspended from the base sheet by a tubular coupling member which preferably includes a resilient section that flexes to maintain the sensor in an orthogonal relationship with the reservoir wall. The resilient section preferably includes helical arms which are under tension when the sensor is locked into place in order to create a desirable amount of preload force between the sensor and the wall.

Abstract: A contact detection device detects pressure over a wide range, be applied to even a three-dimensional structure, and detect predetermined contact pressure or more. A volume space 4 is between a base 1 that is composed of a foamed synthetic resin 10 with a particular shape and the foamed synthetic resin body 10 that is composed of the foamed synthetic resin with a particular shape and covers the foamed synthetic resin body 10. The volume space 4 is on either or both of the base 1 and the foamed synthetic resin 10. Air in the volume space 4 is prevented from leaking trough the base 1 and the foamed synthetic resin 10 to open air. At least one flow sensor 70 detects flow rate (liter/second) of air that flows from the volume space 4 to open air.

Abstract: A resonator paradigm, where the resonator structure is made up of a very large number of small, coupled Coriolis sensitive units arranged in a periodic 1D or 2D (and, possibly, in the future, 3D) structure to create a Coriolis-sensitive fabric that supports a large number of Coriolis-coupled supermodes. Such a fabric can be shaped into arbitrary waveguides that propagate either pulses of excitation that are Coriolis-coupled, thus enabling an acoustic version of a FOG-type gyroscope (where a pulse of excitation travels along a passive waveguide and it's phase/time delay is measured), or support multiple stationary Coriolis-coupled vibration modes analogous to optical laser modes in an RLG where counter-propagating modes of oscillation are maintained at constant amplitude via a continuous addition of energy.

Abstract: A sensor device includes a base body including a recess, a lid body configured to close an opening of the recess, a force detection element disposed in the recess and including a first element that outputs a first signal according to an external force in a first axis and a second element that stacks on the first element and outputs a second signal according to an external force in a second axis; a first circuit disposed in the recess and configured to process the first signal, and a second circuit disposed in the recess and configured to process the second signal.

Abstract: An electric inertia control device 5A simulates the behavior of an inertial body having a predetermined set moment of inertia Jset by means of a dynamometer, and is provided with: an inertia compensator 51A which generates a torque signal by multiplying a signal obtained by subtracting a shaft torque detection signal T12 from a higher-level command torque signal T* by the ratio of a moment of inertia J1 of the dynamometer to the set moment of inertia Jset, and generates an inertia compensation torque signal Tref by summing the torque signal and the shaft torque detection signal J1; and a resonance suppression control circuit 53A which uses the inertia compensation torque signal Tref and the shaft torque detection signal T12 to generate a torque current command signal T1 in such a way as to suppress resonance in a mechanical system including a test piece and the dynamometer.

Abstract: A pressure-sensitive sensor includes a hollow tubular member including an elastic insulation, plural electrode wires spaced from one another and held on an inner circumferential surface of the tubular member, and helical ribs formed on at least one of inner and outer circumferential surfaces of the tubular member along a longitudinal direction thereof. The electrode wires are helically arranged along the longitudinal direction. A helical direction of the helical ribs of the tubular member is a same as a helical direction of the helically-arranged electrode wires.

Abstract: An end fitting including an end part of the tubular sheath, an end section of each elongate element, an end vault, and a cover defining a chamber for receiving each end section. The end fitting includes at least one transducer for generating an ultrasonic wave guided in the elongate element, the generation transducer being placed on the elongate element in the receiving chamber, the generation transducer having a volume of less than 200 mm3, in particular comprised between 20 mm3 and 50 mm3.

Abstract: A pressure detection sensor according to one embodiment of the present invention includes a first electrode layer including a channel portion configured to output a sensing signal and a wiring portion connected to the channel portion, a first elastic dielectric layer disposed on the first electrode layer, a second electrode layer disposed on the first elastic dielectric layer at a position corresponding to the channel portion, a second elastic dielectric layer disposed on the second electrode layer, and a third electrode layer disposed on the second elastic dielectric layer, wherein, when a pressure is applied to the third electrode layer, capacitances of the first elastic dielectric layer and the second elastic dielectric layer are changed.

Abstract: A conveyor system that includes a sprocket, a conveyor element, a sensor, a tensioning system, and an electronic processor. The conveyor element is coupled to the sprocket to move around the sprocket. The sensor is positioned adjacent to the sprocket and configured to generate an output signal indicative of a detection of the conveyor element. The electronic processor is coupled to the sensor and to the tensioning system. The electronic processor is configured to receive the output signal from the sensor, estimate a trajectory of the conveyor element based on the output signal, determine a value for slack distance based on the estimated trajectory of the conveyor element, and control the tensioning system based on the value for slack distance.

Abstract: A piezoelectric patch sensor for measuring muscle movement of contraction and extension is disclosed. The sensor is elongated and directly attached to a skin site of a user for the measuring via an interface circuit connected to a host processor. The piezoelectric patch sensor has an adhesive layer with an adhesive bottom surface for firmly attaching to the skin site. An elastic sheet is integrated on top of the adhesive layer. A piezoelectric thread is further integrated on top of the elastic sheet and has a bundle of aligned piezoelectric fibers. The thread is electrically coupled to the interface circuit via a pair of conductive wires, forming a piezoelectric measurement circuitry. Muscle movement under the skin site shrinks or extends the piezoelectric patch sensor in its entirety along the direction of muscle movement due to a corresponding shrinking or extending movement of the skin firmly attached to the adhesive layer.

Abstract: A tension-measurement device configured to determine a tension in a line includes a body. The body includes a first portion, a second portion extending from the first portion of the body, and a third portion extending from the first portion of the body. The line is configured to extend at least partially through the second and third portions of the body. A first sensor is coupled to the body and is configured to measure a strain on the body when a first portion of the line is placed under tension. The tension in the first portion of the line is configured to be determined based at least partially upon the strain.