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| Number | Title | Issue Date |
| 8170810 | Method for monitoring the load on rotor blades of wind energy installations In a method for monitoring the load on rotor blades of wind energy installations by measuring acceleration on at least one rotor blade of a wind energy installation and determining load on the rotor blade from the picked-up acceleration signals, dynamic, even uncrit... | 05/01/2012 |
| 8165827 | Method for calculating forces acting on the footprint area of a tyre and apparatus for calculating said forces A method of calculating forces acting on the footprint area of a tire, the tire being mounted on a wheel in turn mounted on a hub for engagement with a vehicle, the tire being moved along a longitudinal direction substantially parallel to the ground, includes the fo... | 04/24/2012 |
| 8145441 | Portable electronic apparatus for collecting impact information A portable electronic apparatus for collecting impact information includes a body, a piezoelectric element, a processing element, and a storage element. The piezoelectric element covers the body and generates an electrical signal when experiencing a force from an im... | 03/27/2012 |
| 8145440 | Body dynamics calculation method, body dynamics model and model data thereof, and body-model generation method A forward/reverse mechanics calculation of an accurate model of a human body having bone geometrical data and muscle/cord/band data is carried out at high speed. When a new skeleton geometrical model is given, a mapping between the new skeleton geometrical model and... | 03/27/2012 |
| 8131483 | Yarn entanglement strength tester A yarn entanglement strength tester includes first and second rolls that apply incrementally increasing elongation levels on a yarn in order to remove entanglements from the yarn. The yarn entanglement strength tester also includes a third roll, where the second and... | 03/06/2012 |
| 8112234 | Method for estimating the components of the force torsor that are applied to a bearing A method is provided for estimating the components of the force torsor that are applied to a bearing, which method provides for the measurement of a vector (Vm) of N deformations and for the use of a physical model linking a vector (Q) of at most N repres... | 02/07/2012 |
| 8090546 | Analysis apparatus and analysis method An elastic sheet is defined in accordance with a user input operation to have a shape with which the elastic sheet does not cross another member (building component) (step S1). Then, the elastic sheet is divided into rigid elements (step S2). Angles fo... | 01/03/2012 |
| 8068997 | Continuous performance analysis system and method A system and method of conducting a continuous performance analysis for a system includes collecting transient performance data for a first parameter of the system and a second parameter of the system. Transfer functions are applied to the transient performance data... | 11/29/2011 |
| 8055456 | Method of monitoring and/or determining the condition of a force-measuring device, and force-measuring device An interior space of the at least one housing of a force-measuring device is filled with a gas composition that is distinguishable in at least one parameter from the ambient atmosphere. A sensor that is arranged in the interior space, or on the housing, measures thi... | 11/08/2011 |
| 8010302 | Tool path display apparatus for machine tool First and second screens are set for a tool path display apparatus for displaying a path of the tip of a tool attached to a machine tool. The first screen displays the three-dimensional path of the tip of the tool obtained by synthesizing the position information of... | 08/30/2011 |
| 8005630 | System identification device A system identification device having a position amplitude calculator outputting a position amplifier; a position torque command integral value multiplier outputting a position torque command integral value multiplication value; a position torque command integral va... | 08/23/2011 |
| 7966134 | Systems and methods to determine elastic properties of materials The present invention provides systems and methods to use a measured driving-point response of a nonlinear material to determine one or more elastic properties of the material. The present invention takes advantage of the full information represented by the transien... | 06/21/2011 |
| 7949481 | Self-orienting embedded in-situ flux system A fluid flux measurement system that includes a heated element fluid flow sensor that is capable of being repositioned relative to a mean fluid flux direction is disclosed. The repositioning may be performed by a motor interconnected to the heated element fluid flow... | 05/24/2011 |
| 7895002 | Device comprising a sensor arrangement and an updater Devices comprising sensor arrangements for providing first field information defining at least parts of first fields and for providing second field information defining at least parts of second fields are provided with updaters for updating parameters of the first a... | 02/22/2011 |
| 7853412 | Estimation of wheel rail interaction forces A method of estimating contact forces between the wheels of a railway wagon and a rail track, for use in determining information such as the likelihood of derailment. Accelerations of the body of the wagon are measured using motion sensors located at suitable points... | 12/14/2010 |
| 7853413 | Method for determining characteristic values of a suspended driven axis, especially of a machine tool, as well as suitable applications, corresponding facilities and their use A method for determining at least one characteristic value, especially of a suspended driven axis of a machine, is provided, the axis being driven by a rotating drive unit and/or by a linear drive unit. A torque or a force corresponding to the torque acting on the d... | 12/14/2010 |
| 7844404 | Systems and methods for determining engine torque values A system and method of estimating the torque value of an engine are provided. The method includes generating corrected variable values from engine measured parameters and using a plurality of steady state tables that output corrected engine torque estimates based on... | 11/30/2010 |
| 7822563 | Method and device for calculating magnitude of wheel-generated cornering force A method of calculating a cornering force to be applied to each wheel provided to a vehicle which is cornering, comprising the steps of: obtaining a magnitude of a centrifugal force to the vehicle in a direction substantially orthogonal to a vehicle traveling direct... | 10/26/2010 |
| 7797114 | Torque measuring apparatus and rotation center measuring apparatus A front wheel is placed on a lifting table, which is rotated by an actuator together with the front wheel. By rotating the lifting table by the actuator, the front wheel is rotated under constraint of a steering mechanism of an automobile. The rotation angle of an a... | 09/14/2010 |
| 7774148 | Torque estimator for IPM motors In an embodiment of a method, the method includes measuring currents and voltages that are coupled to a motor that includes an internal permanent magnet and determining a reactive power in response to the measured currents and voltages. The method further includes e... | 08/10/2010 |
| 7742882 | Method for determination of mean engine torque A method for producing a value T being representative of the mean engine torque generated on a crankshaft of an internal combustion engine includes the steps of producing a speed vector including values being representative of instantaneous speeds of the engine duri... | 06/22/2010 |
| 7715993 | Method for estimating the pumping torque of an engine A method for estimating pump torque of a computer-controlled fuel injection heat engine for a motor vehicle. The method determines the pumping torque in a for of a relative pumping torque representative for total pumping torque contribution of an intake and exhaust ... | 05/11/2010 |
| 7702472 | Rolling bearing device with sensor A rolling bearing device with a sensor includes a rotational component estimator that extracts a rotational synchronization component included in the rotation of an inner shaft relative to an outer ring from each of a signal output by a first displacement detector a... | 04/20/2010 |
| 7676331 | Torque estimating device of compressor A compressor drive torque estimating device suppresses a discrepancy between an estimated drive torque, which is based on a torque estimating device of a compressor, and an actual drive torque of the compressor. The discrepancy is due to delay in switching between e... | 03/09/2010 |
| 7643946 | Method and system for appraising the wear of axles of a robot arm A method determines the wear of axles of a robot arm of an industrial robot. A torque profile of at least one axle taken during at least one working cycle of the industrial robot is used as a basis for an analysis. The torque profile is analyzed for portions of the ... | 01/05/2010 |
| 7627440 | Inertia and load torque estimating method and apparatus A method and apparatus for estimating a system inertia and a load torque in a motor controller, the method comprising the steps of providing an acceleration command signal, determining a motor position, using the motor position to generate an acceleration feedback s... | 12/01/2009 |
| 7623974 | System and method for detecting onset of structural failure A system for detecting the onset of structural failure in a structural element subject to a mechanical load comprises a metering array, a signal processor, and an output processor. The metering array measures physical quantities associated with the structural elemen... | 11/24/2009 |
| 7620504 | Road-surface condition estimating device A driving-torque difference value, an inertial-force difference value of the vehicle, and an inertial-force change-amount difference value of the vehicle are calculated. Subsequently, a first determination coefficient by which the inertial-force difference value is ... | 11/17/2009 |
| 7613575 | Method for processing the output signal of a measurement transducer, and force-measuring device The output signal from a measuring transducer in a force-measuring device is processed by filtering a measuring signal (ms), representing a load that is acting on the transducer, to suppress interfering signal portions caused by extraneous influences including mecha... | 11/03/2009 |
| 7519480 | Driving-force output of a reciprocating actuator The force exerted by a reciprocating actuator is estimated as a weighted sum of three quantities: a reaction-mass acceleration, a baseplate acceleration, and a relative acceleration of the reaction-mass relative to the baseplate. In one embodiment, acceleration sens... | 04/14/2009 |
| 7509218 | Pin height adjustment in bed of nails shape measurement Systems, methods, apparatus and products relate to systematic calculation and execution of pin height adjustments within a bed of nails shape measurement gauge with respect to a measured subject, such as glass substrates, and in particular, to using a bed of nails g... | 03/24/2009 |
| 7490012 | Body dynamics calculation method, body dynamics model and model data thereof, and body-model generation method A forward/reverse mechanics calculation of an accurate model of a human body having bone geometrical data and muscle/cord/band data is carried out at high speed. When a new skeleton geometrical model is given, a mapping between the new skeleton geometrical model and... | 02/10/2009 |
| 7460964 | Force vector reconstruction method using optical tactile sensor The invention relates to a technique for reducing computation time for force vector calculation. A force vector reconstruction method that uses an optical tactile sensor, comprises a step for obtaining a marker image by taking an image of behavior of colored markers... | 12/02/2008 |
| 7444244 | Method and device for determining a variable characteristic of a mass that rests on the seating area of a seat A method and a device allow to detect and optionally to indicate the improper use of a seat. For this purpose, an estimated value of a variable characteristic of a mass that rests on a seating area of a seat is determined depending on at least one force that acts up... | 10/28/2008 |
| 7421880 | Switch feel measurement system calibration A method may be employed to assure that a switch measurement system accurately measures a torque/angular displacement profile for a rotary switch. A procedure may be employed that aligns the rotational axis of the switch with the rotational axis of the measurement u... | 09/09/2008 |
| 7415363 | High resolution torque measurement on a rotating shaft with movement compensation An apparatus for determining the torque imposed on a rotatable shaft. The shaft has at least four paired probes, paired horizontal probes and paired vertical probes. The horizontal probes are positioned 90 degrees apart from the vertical probes. If the shaft moves h... | 08/19/2008 |
| 7406386 | System and method for sensing and interpreting dynamic forces The present invention relates to a sensing system which is capable of discriminating types of causes of changing loads on a surface, such as the type of motion of a human subject. The system has wide ranging applications including sports performance (e.g. golf club ... | 07/29/2008 |
| 7392158 | Drive unit for compressor and refrigerator An instantaneous current and instantaneous voltage of a three-phase coil of a brushless DC motor are detected, and the internal condition of a compressor is predicted from these detection values. The prediction about the internal condition of the compressor is made ... | 06/24/2008 |
| 7363827 | Torque sensor system including an elliptically magnetized shaft A torque sensor includes a shaft and a magnetic sensor. The shaft may have at least one active region having an elliptical magnetization. The magnetic sensor may be configured to sense a magnetic field about the shaft, where the magnetic field is representative of a... | 04/29/2008 |
| 7366634 | Gantry with auto-adjusting prestressing A gantry to be used in the construction process of bridges, viaducts and other structures, which is equipped with a system that automatically adjusts the prestressing of the gantry's structure in accordance to the external actions being applied on it when loadings o... | 04/29/2008 |
