Abstract: A locking device comprises a key (10) and a locking cylinder (30). The locking cylinder (30) in turn is composed of a stationary cylinder housing (31) and a cylinder core (32) rotatably supported therein. In order to increase the break-in safety, it is proposed to use two types of plate closures (40, 50) in the cylinder core (32), the displacement of that closure pointing into two radial directions (41, 51) that differ from each other. The key (10) comprises planar outer surfaces (12, 13) disposed at an angle to each other, the two types of plate closures (40, 50) being parallel displaceable to said surfaces. Each of the two adjoining outer surfaces (12, 13) has a dedicated linear control path (21, 22), which varies in adjoining key sections transversely to the key longitudinal direction (29) for coding the key (10).

Abstract: A lock core assembly has a lock shell, a lock core and a pin segment. The lock shell has multiple upper pin chambers and a lid. The lock core is mounted rotatably in the lock shell and has multiple lower pin chambers. The lower pin chambers are formed radially through an outer surface of the lock core and respectively align and communicate with the upper pin chambers. The pin segment is mounted between the lock shell and the lock core and has multiple pin assemblies including at least one suspended pin assembly. Each suspended pin assembly has a suspending spring and a suspending block. The suspending spring is connected to a lower pin. The suspending block is mounted on and supported by the suspending spring and abuts with a returning spring.

Abstract: A rekeyable lock cylinder includes a plug body with a keyway opening along a longitudinal axis and a multiple of channels transverse to the axis. A rekeying feature located adjacent to the keyway opening.

Abstract: A lock includes a housing, a cover, a lock cylinder holder, a lock cylinder, a cam, a resisting shaft, at least one latching block, and at least one first elastic member. The cover is secured to one end of the housing. A gap is formed between the cover and the housing. The lock cylinder holder is secured to the housing. The lock cylinder is rotatably mounted in the lock cylinder holder. The cam is received in the housing and secured to the lock cylinder. The resisting shaft is rotatably mounted in the housing and includes a frustum shaped end. The latching block is received in the gap. The latching block includes an inclined surface corresponding to the frustum shaped end. The first elastic member is configured to connect the latching block to the cover or the housing. An electronic device using the lock is also provided.

Abstract: A rekeyable lock cylinder includes a plug body with a keyway opening along a longitudinal axis and a multiple of channels transverse to the axis. A locking bar generally parallel to the longitudinal axis, the locking bar having an extension. A slide movably mounted to an end section of the plug body, the slide having a slot which selectively permits passage of the extension during a rekeying procedure.

Abstract: The present invention provides a rolling mill of a plate or a sheet which eliminates rolling trouble due to warping of the rolled material and wavy shaped flatness defects running through the plate or sheet width direction such as “waviness”, “full waves, and “small waves” by providing a pair of a top and bottom work rolls, a pair of electric motors independently driving the pair of rolls, and control means for controlling one electric motor using the roll rotational speed as a control target value and controlling the other electric motor using the rolling torque applied to the rolled material from the work roll driven by that electric motor becoming substantially constant as a control target and using the drive torque as a control amount and a control technique of such a rolling mill of a plate or a sheet.

Abstract: A make-up method for a threaded joint with a pin and a box to increase the fatigue life of the joint is provided. The method includes the step of applying a torque for making up the pin in the box until first and second abutment shoulders of the pin and the box abut. The method can also include the step of applying an additional torque to the threaded joint until a magnitude of between 50% and 90% of the yield strength of the joint material in the most stressed part of the joint is reached.

Abstract: Thixoextrusion molding apparatuses and methods are provided.

Abstract: Provided are tools, tool kits, and associated methods for forming and/or clasping needs associated with, for example, jewelry making activities. The tools herein releasably secure forming pegs and restrain lateral movement of the forming pegs to a first line of action. The tools also translate an actuation force along a second line of action to relative lateral movement of the forming pegs along the first line of action.

Abstract: An apparatus for aligning and leveling an associated vehicle door having an elongated member, a head member attached to said elongated member adapted to engage a vehicle door lock recess, a support member extending downwardly from said elongated member towards a vehicle door and a support plate attached to said support member adapted to rest on said vehicle door. The apparatus is designed to aid in the leveling and aligning processes of a vehicle door after assembly of the vehicle. The elongated member may include a series of bends to improve the ergonomic efficiency of the vehicle door leveler.

Abstract: The invention relates to a rotary encoder comprising internal error control with a monitoring unit comprising at least a computing module, a verification means, a memory unit and an alarm unit. The invention also relates to a method for checking a rotary encoder when said encoder is in operation, the rotary encoder generating at least one measuring signal pair representative of the amount of rotation. In order to be able to determine the functioning of the rotary encoder, even when said rotary encoder is stationary, it is provided according to the present invention that a characteristic value should be created in the monitoring unit from current amplitude values of the measuring signal pair, said characteristic value being used in a comparison with at least one quality value representative of the functional states of the rotary encoder.

Abstract: Provided is a combustion gas bleeding probe, which is elongated in lifetime and improved in chlorine removing ability and so on. The combustion gas bleeding probe (1) comprises a cold gas discharge means having a plurality of discharge ports (2b) for discharging cold gases (C) substantially perpendicularly of the suction direction (S) of a combustion gas (G) and toward the center of the combustion gas flow. A vector (A), which is composed of momentum vectors (MVs) of the cold gas (C) discharged individually from the plural discharge ports, has a vertically downward component. This vertically downward component of the synthesized vector is made the larger, as the angle between the suction direction of the combustion gas and the flow direction of the combustion gas before sucked by the probe becomes the closer to a right angle.

Abstract: An aspirating system for detecting the presence of a product representative of a hazard and a method of detecting the presence of a product representative of a hazard in an aspirating system are provided. The system comprises: piping that includes a plurality of apertures spaced apart along the length of the piping; an aspirator for drawing air from outside the piping into the piping through at least one aperture, a detector coupled to the piping for detecting the presence of a product representative of a hazard; a generator of test stimulus for generating the product representative of a hazard; wherein the test stimulus generator is fixed in, near, or on the piping such that in use a test stimulus is provided adjacent to at least one aperture of the piping. A control means can be provided to control the activation of the test stimulus from the generator and the time taken for the test stimulus to reach the detector can be measured.

Abstract: A fluid sensor comprises a sensor housing, a sensor package, an actuator and a switch. The sensor package is disposed within the sensor housing and includes first and second screens and at least one sensing membrane. The sensing membrane is disposed between the first and second screens and is adapted to expand when exposed to a predetermined quantity of a first predetermined fluid. The actuator is disposed proximate the sensor package within the sensor housing and moveable between a first position and a second position through an intermediate position. The switch is disposed proximate the actuator and is operable between closed and open positions. When the actuator is in the second position at least a portion of the actuator depresses the switch to control an electrical circuit connected therewith.

Abstract: The present invention relates to new HPLC methods for the analysis of the drug substance clopidogrel and related substances. In a first method the mobile phase comprises two or more liquids, and the relative concentration of the liquids is varied to a predetermined gradient. In a second method the mobile phase comprises a polar protic organic solvent, and the stationary phase comprises a gel. The present invention also relates to a method for analysing a substance, comprising the detection and optional quantification of one or more specific impurities.

Abstract: Systems and methods are disclosed for measuring and/or monitoring concentrations of a dispersed phase in a fluid. A wettable surface may be used that is configured to be selectively wettable by the dispersed phase in the fluid being tested/monitored and the amount of or the rate of change of the wetting/deposition of the dispersed phase on the wettable surface is sensed and used to monitor the concentration of the dispersed phase.

Abstract: This disclosure provides a method and device for particle removal and droplet preparation for qualitative and quantitative bioanalysis. In one embodiment, the disclosed device includes a lateral flow filter through which the sample is filtered such that the filtrate fluid is collected in the distal end of the filter matrix. The filtered fluid is made to eject from the matrix to form a droplet by pressing/squeezing the distal end of the filter only, with the help of a suitably shaped plunger means.

Abstract: A method of testing a sleep support member, the method including: identifying the sleep support member; determining a tested comfort/support value for the identified sleep support member before the identified sleep support member is provided to a customer; and determining whether the tested comfort/support value is within a predetermined tolerance level of a goal comfort/support value for the identified sleep support member. An apparatus for testing a sleep support member, the apparatus including: an identification unit configured to identify the sleep support member; a comfort/support testing unit configured to determine a tested comfort/support value for the identified sleep support member before the identified sleep support member is provided to a customer; and an analysis unit configured to determine whether the tested comfort/support value is within a predetermined tolerance level of a goal comfort/support value for the identified sleep support member.

Abstract: A material measure for use in evaluating the performance of a measuring instrument for measuring surface texture includes: a measurement area having a plurality of grooves in a predetermined direction. With the configuration, each of the grooves has a simple cross-sectional shape at a cross-section along the predetermined direction; and a length of the cross-sectional shape in the predetermined direction is different for the predetermined number of adjacent grooves in the predetermined direction.

Abstract: A pressure-compensation unit, particularly for a tank-pressure sensor in a tank of a motor vehicle. The pressure-compensation unit includes a housing lid and a gas-permeable filter diaphragm, which covers an air hole. The pressure-compensation unit includes a cap-shaped cover element, which covers the filter diaphragm.

Abstract: A test stand arrangement is connected to at least one electric motor (4) connected to a test specimen (1) for driving and/or loading the test specimen (1) and comprises a control arrangement (6) for the or each electric motor (4). In order to be able to create the connection of the drive train and vehicle simulation with the real, vehicle-specific combustion and dynamic behavior of the engine, at least one model (7) for a multi-mass flywheel is implemented in the control arrangement (6), from which model (7) at least a part of the control requirement for the or each electric motor (4) is calculated and which model (7) contains at least the two masses of the primary and secondary side of the multi-mass flywheel and a substitute model for the or each bow spring, and an algorithm is implemented in the control arrangement (6) that analyzes the model for a multi-mass flywheel by means of an integrated time step method.

Abstract: The invention relates to a method for monitoring air pressure in vehicle tires using wheel electronics, which comprise a pressure sensor for measuring the air pressure present in the tire, a transmitter for transmitting pressure information, and a receiver for receiving interrogation signals, wherein a transmission activity of the wheel electronics is triggered by the reception of an interrogation signal, which is transmitted as a pulse train comprising a command section that encodes a transmission instruction for the wheel electronics. According to the invention, the pulse train comprises an adjustment section having several pulses before the command section.

Abstract: A method for the manufacture of a sensor for a thermal flow measuring device, wherein the sensor has at least one housing with a first open end and a second open end. The first open end is securable in a sensor holder; and at least one resistance thermometer is inserted into the housing through the second open end of the housing and the second open end of the housing is closed. Cables for electrical contacting of the resistance thermometer lead out of the housing through the first open end of the housing.

Abstract: Thermal flow measuring device and method for the manufacture of a thermal flow measuring device with a spacer having a first cavity for accommodating a resistance thermometer, wherein the spacer has at least a first planar area, which faces the first cavity, and a second cavity, through which the resistance thermometer can be pressed by means of a hold-down onto the first planar area of the spacer.

Abstract: A method for operating a tissue processor is described. During the operation of a tissue processor a reagent is fed from a container into a retort of the tissue processor, which retort does not contain any tissue samples. Thereafter, the reagent is returned into the container. During feeding, returning and/or in between feeding and returning a measured value is detected by a sensor of the tissue processor. This value is representative of a concentration of the reagent. During this feeding, this returning and/or in between no tissue sample is placed in the retort.

Abstract: A fuel level sensor includes a wiper support with metal wiper contacts. A rotatable shaft holds the wiper support and a seal assembly is provided in which the wiper support is disposed. The seal assembly includes a frame and a cover that are sealed together along respective peripheries with the wiper support being sandwiched therebetween. The shaft extends into and through an opening formed in the cover and is rotatable therein with a holder covering an end of the shaft and sealing the opening in cooperation with the cover. The frame is formed with a diaphragm above the wiper shaft that is deflectable to facilitate assembly and allow the sensor to compensate for pressure changes in a fluid tank in which the sensor can be disposed.

Abstract: A signal processing method and device for measuring the input rate of an FM micro-gyro having a modulation frequency FM and having an oscillator sense element having a nominal frequency FOSC is disclosed. In a first aspect of the invention, the method comprises defining a first time interval TWN and a second time interval TWP and measuring the first time interval and the second time interval by counting the number of periods of a predetermined reference frequency. The nominal frequency of the oscillator sense element FOSC is measured along with the modulation frequency FM. From these measurements, the proof mass period NW is calculated. The time difference ?t is calculated from the above measurements. The method then comprises calculating a modulation M that produced the measured ?t, preferably using an iterative method. From the above, the input rate ? is calculated by dividing M by a sensitivity S of the FM micro-gyro.

Abstract: A sensor system is provided having a base plate, a sensor module, a damping element and a support frame, the base plate having a main plane of extension and a recess that is perpendicular to the main plane of extension; the support frame being fastened in the recess; the damping element being situated between the support frame and the recess; and the sensor module further being pressed into the support frame in a form-locking and a force-locking manner.

Abstract: A yaw rate sensor is described which includes a substrate having a main plane of extension and a Coriolis element, the Coriolis element being excitable to a driving oscillation along a first direction parallel to the main plane of extension, using a driving arrangement, and a deflection of the Coriolis element along a second direction perpendicular to the first direction being detectable, and the yaw rate sensor having an interference element for exciting the Coriolis element to an interference oscillation.

Abstract: An angular rate sensor comprises a piezoelectric film having a first and a second surfaces forming an x-y plane and utilizes a perturbation mass coherently vibrating elastic acoustic waves on which a Coriolis force acts when the angular rate sensor undergoes a rotary motion about an x-direction. A first elastic acoustic wave is excited in the piezoelectric film by a driving transducer and a second elastic acoustic wave generated by the Coriolis force proportional to an angular rate of the rotary motion of the angular rate sensor itself is detected by the detecting transducer. The angular rate sensor further comprises at least a first electrode disposed on the first surface of the piezoelectric film for discharging a surface charge caused due to piezoelectric effect at the lower surface of the film in which the first elastic acoustic wave is excited.

Abstract: An angular rate sensor comprises a piezoelectric film having a first and a second surfaces forming an x-y plane and utilizes a perturbation mass coherently vibrating elastic acoustic waves on which a Coriolis force acts when the angular rate sensor undergoes a rotary motion about an x-direction. A first elastic acoustic wave is excited in the piezoelectric film by a driving transducer and a second elastic acoustic wave generated by the Coriolis force proportional to an angular rate of the rotary motion of the angular rate sensor itself is detected by the detecting transducer. The angular rate sensor further comprises at least a first electrode disposed on the first surface of the piezoelectric film for discharging a surface charge caused due to piezoelectric effect at the lower surface of the film in which the first elastic acoustic wave is excited.

Abstract: A vibrating gyroscope according to this invention includes a ring-shaped vibrating body 11 having a uniform plane, a leg portion 15 flexibly supporting the ring-shaped vibrating body and having a fixed end, a fixed potential electrode 16, and a plurality of electrodes 13a, 13b, . . . , 13h formed on the plane with a piezoelectric film sandwiched between an upper-layer metallic film and a lower-layer metallic film in a thickness direction thereof. In this case, in a representative example shown in FIG. 1, when one of driving electrodes 13a for exciting a primary vibration of the ring-shaped vibrating body 11 in a vibration mode of cos N? is set as a reference driving electrode, the plurality of remaining electrodes 13b, . . . , 13h are disposed at specific positions. Such disposition allows this vibrating gyroscope to detect a uniaxial to triaxial angular velocity by adopting a secondary vibration detector inclusive of an out-of-plane vibration mode.

Abstract: An inertial force sensor which reduces the deterioration of an angular speed detection accuracy and improves the diagnosis accuracy of fault diagnosis is provided. The inertial force sensor includes an oscillator having a driving electrode, a monitor electrode, and a detecting electrode; a driving circuit which applies a driving signal to the driving electrode to oscillate the oscillator; a detecting circuit which detects an angular speed according to a detecting signal outputted from the detecting electrode due to an inertial force; an oscillation control circuit which controls an energization amount of the driving signal according to a monitor signal outputted from the monitor electrode; and a fault diagnosing circuit which inputs a pseudo angular speed signal to the detecting circuit for fault diagnosis, wherein a filter switching circuit which switches a characteristic of a filter circuit included in the detecting circuit in fault diagnosis mode to shorten a delay time is provided.

Abstract: A new high G-range damped acceleration sensor is proposed with a proof mass optimized for maximized, bi-directional and symmetrical damping to accommodate acceleration ranges above and beyond several thousand G's. In order to achieve the maximum, bi-directional and symmetrical damping, the high G-range acceleration sensor is designed to have minimum amount of mass in the proof mass while maximizing its surface areas. Such high G-range damped acceleration sensor can be applied to any application in which damping (or suppression of ringing) is desired at quite high frequencies.

Abstract: Error sources relating to the drive signal applied to the resonator of an inertial sensor, such as in-phase offset errors relating to the drive signal and/or electronic pass-through of the drive signal to accelerometer sense electronics, are detected by modulating the drive signal and sensing accelerometer signals that are induced by the modulated drive signal. Error sources related to aerodynamics of an inertial sensor resonator are detected by modulating the distance between the resonator and the underlying substrate and sensing accelerometer signals that are induced by such modulation. Compensating signals may be provided to substantially cancel errors caused by such error sources.

Abstract: A device comprising a solid-state actuator (100), means for inputting an acoustic signal to the actuator (104) and means for measuring the resultant signal (104). The measured acoustic signal can be used to determine the extension of the solid-state actuator.

Abstract: A device for recognizing bearing damage of a bearing (3), on which an object (4) which rotates at a rotational frequency is mounted, having at least one oscillation sensor (2) for converting an oscillation signal output by the bearing (3) into an electrical signal and having a calculation unit (8) for performing a first frequency transformation for multiple time windows of the oscillation signal to generate multiple time window spectra associated with the particular time windows and for performing a second frequency transformation for multiple frequency bands of the time window spectrograms to generate a multiband modulation spectrum, which, for modulation frequencies which are a function of the rotational frequency of the rotating object (4) because of bearing damage of the bearing (3), have signal amplitudes, the level thereof disclosing an extent of the bearing damage.

Abstract: Ultrasonic pipeline inspection apparatus which utilises two different wave modes (e.g. a horizontally polarised shear mode and a symmetric Lamb wave mode) to discriminate different defect types by comparing corresponding signals collected from defects. EMATs may detect the signals. The detected amplitudes of the collected signals from both wave modes are compared to calculate a ratio, which may be compared with a distribution of ratio values for known defects to evaluate the type of defect detected. The apparatus may be a sensor module mountable on a pipeline vehicle and having a plurality of sensors distributed around its periphery.

Abstract: Systems and methods of acoustically interrogating a packaged medical implant such as an implantable sensor are disclosed. An illustrative system includes a sterilizable package including a package tray and a cover, a sensor module disposed within the package, and an acoustic coupling member disposed within an interior space of the package tray. An external interrogator located outside of the sealed package can be used to acoustically communicate with the sensor module.

Abstract: A circuit for a micromechanical structure-borne sound sensor and a method for operating this sensor, a voltage generator being used to apply voltages to at least one micromechanical element for recording the structure-borne sound, so that a change in the micromechanical element occurs. In addition, an evaluation circuit is provided, which records the at least one electrically recordable parameter of micromechanical element at a sampling rate and analyzes the same. This at least one parameter changes in response to the change. A clock-pulse generator is also provided for generating the sampling rate and for generating the clock pulse. A frequency generator is used for generating the clock pulse at least intermittently for the test operation, the frequency generator producing the clock pulse as a multiple or as a submultiple of the sampling rate.

Abstract: In one aspect, the present invention is directed to an earthquake detection and alarming apparatus, comprising: a transparent object (46) having a concave surface on the top thereof; a rollable object (34) placed on the concave surface; an apiary of light projectors (30) placed above the concave surface; an apiary of light receivers (38) correspondingly to the apiary of light projectors, the apiary of light receivers being placed below the concave surface; and circuitry for determining: (a) vibrating frequency and amplitude of the rollable object with reference to the concave surface from sensing of the receivers (38); and (b) deducing therefrom the arrival of primary waves.

Abstract: An acoustic sensor includes at least one structure including at least one photonic crystal slab and an optical fiber optically coupled to the at least one photonic crystal slab, and having at least one optical resonance with a resonance frequency and a resonance lineshape. The acoustic sensor further includes a housing mechanically coupled to the at least one structure. At least one of the resonance frequency and the resonance lineshape is responsive to acoustic waves incident upon the housing.

Abstract: A system (1100) for fatigue testing wind turbine blades (1102) through forced or resonant excitation of the base (1104) of a blade (1102). The system (1100) includes a test stand (1112) and a restoring spring assembly (1120) mounted on the test stand (1112). The restoring spring assembly (1120) includes a primary spring element (1124) that extends outward from the test stand (1112) to a blade mounting plate (1130) configured to receive a base (1104) of blade (1102). During fatigue testing, a supported base (1104) of a blade (1102) may be pivotally mounted to the test stand (1112) via the restoring spring assembly (1120). The system (1100) may include an excitation input assembly (1140) that is interconnected with the blade mounting plate (1130) to selectively apply flapwise, edgewise, and/or pitch excitation forces.

Abstract: An elastic ceramic body and a pressure sensor. The elastic ceramic body comprises: a base body of an elastic ceramic material; and a cover layer, which covers at least one section of a surface of the base body, wherein the cover layer is of a material other than that of the base body, and the cover layer comprises microcrystalline A12O3 (corundum). The cover layer is preferably prepared in a sol gel process. The pressure sensor, comprises: a disk-shaped measuring membrane, which is embodied as an elastic ceramic body according to the above definition; and at least one membrane support body, on which the measuring membrane is connected at its edge region along an encircling joint to form a pressure-tight measuring chamber between the membrane support body and the measuring membrane.

Abstract: A device for determining a physical value of a liquid flowing in a pipe, without contact with said liquid, said device comprising: a sensor (3) for said physical value; a connector (2) to insert into said pipe and comprising: an internal passage (13) extending between two apertures (11, 12), a flexible membrane (6) for a pressure sensor, forming a wall of said internal passage (13); and means (27, 62) for fastening said sensor (3) onto said connector (2); characterized in that said sensor is a temperature sensor (3) fastened to said connector (2) with the sensitive part of said sensor (3) turned towards said membrane (6).

Abstract: An electromagnetic flowmeter comprises an exiting coil, and a signal electrode having an electrode section, an axis portion, a first member which has elasticity, a second member which is harder than the first member, and a ring shape dividing wall which is harder than the second member, wherein the first and second members and the ring shape dividing wall are inserted between a rear face of the electrode section and an inner circumference face of the measuring pipe, the axis portion is projected to an outer circumference face of the measuring pipe through a through hole, and a fastening member is fastened to the axis portion which projects to the outer circumference face of the measuring pipe so that the first member is sandwiched between the rear face of the electrode section and the inner circumference face of the measuring pipe so as to be elastically deformed.

Abstract: An acoustic matching member, an ultrasonic transmitter/receiver, and an ultrasonic flowmeter, which are capable of measuring a flow rate of a fluid with greater accuracy, are provided. An acoustic matching member 24 is fitted to a main body 21 in a pair of ultrasonic transmitter/receivers 15, 16. The acoustic matching member 24 includes a matching member 34 equipped with a porous body 35 adhered tightly to an acoustic-wave emission surface 27 of the main body 21, and a dense layer 37 stacked on a surface 35B of the porous body 35 and including a thermosetting resin 38 and first flowability-diminishing particles 39, and a sidewall member 36 adhered tightly to the acoustic-wave emission surface 27 and an end face 35A of the porous body 35.

Abstract: Provided is a valve device into which a cone type venturi for a flow measurement and valves are integrated. According to the present invention, the venturi cone is formed in venturi path in the lower portion of the main body, and then valve path is formed thereafter. According to the present invention, efforts for adjusting heights between both of pressure taps during connecting of valves and flow measurement parts are not required and installation time and costs of installation could be decreased drastically. Also, the possibilities of leakage as well as manufacturing costs also could be reduced by integrating valves and flow measurement parts into a one-body valve device.

Abstract: A flow meter (30) is provided that includes first and second flow tubes (103, 103?). The flow meter (30) also includes a stationary plate (250). At least a portion of the stationary plate (250) is positioned between the first and second flow tubes (103, 103?). At least one of a driver component or a pick-off components is coupled to the stationary plate (250).

Abstract: A wind turbine gearbox test cell includes a cradle and a base mounted to a first support structure. Load devices are interconnected between the cradle and base and are configured to input at least one of thrust, radial and yaw loads to the gearbox through the cradle to a wind turbine gearbox under test. A controller is in communication with the load devices and is programmed to command the load devices to input the at least one of thrust, radial and yaw loads to the gearbox corresponding to a simulated wind turbine gearbox loading event. The test cell includes dynamometers and gearboxes that can be reconfigured based upon the particular wind turbine gearbox under test.