Class / Patent application number | Description | Number of patent applications / Date published |
073650010 | CENTER OF GRAVITY; TURNING MOMENT; METACENTRIC HEIGHT | 25 |
20090235724 | IDENTIFICATION OF VEHICLE CG HEIGHT AND MASS FOR ROLL CONTROL - A system and method for determining vehicle CG height and mass in real-time. The method includes selecting a set of vehicle parameters to be considered that includes the vehicle mass and the center of gravity height of the vehicle. Frequency responses are generated using the dynamic model and a plurality of different values for the selected vehicle parameters. During vehicle operation, frequency responses are calculated from a measured vehicle lateral acceleration to a roll angle and/or a roll rate of the vehicle. The generated frequency responses and the calculated frequency responses are compared to determine which of the generated frequency responses more closely matches the calculated frequency responses. The generated frequency responses that most closely match the calculated frequency responses are used to determine the center of gravity height and the vehicle mass from the values for the vehicle parameters. | 09-24-2009 |
20090260426 | Determining Postural Stability - A method for determining postural stability of a person can include acquiring a plurality of pressure data points over a period of time from at least one pressure sensor. The method can also include the step of identifying a postural state for each pressure data point to generate a plurality of postural states. The method can include the step of determining a postural state of the person at a point in time based on at least the plurality of postural states. | 10-22-2009 |
20100024531 | Mobile Device, Step Counting Method, and Gravity Direction Detecting Method - In order to count the number of steps without involving an increase in circuit size or in computational load, a mobile phone includes a three-axis acceleration sensor to detect accelerations in three directions of X axis, Y axis, and Z axis, which are different from each other, a gravity direction detecting portion to detect a gravity direction on the basis of the detected accelerations in the three directions, a gravity direction acceleration calculating portion to calculate an acceleration in the detected gravity direction on the basis of the detected accelerations in the three directions, and a step counting portion to count the number of steps on the basis of the calculated gravity direction acceleration. | 02-04-2010 |
20110030459 | METHODS AND APPARATUS FOR DETERMINING MOMENT WEIGHT OF ROTATING MACHINE COMPONENTS - A method of determining the moment weight of a rotating component for a rotary machine includes the steps of: (a) supporting the component on a platform at a pair of spaced locations along a length dimension of the component, one of the spaced locations corresponding to a known radial distance from a centerline of a rotor of the rotary machine to a predetermined location on the component when the component is installed on the rotary machine, and wherein a center of gravity of the component is located between the spaced locations; (b) determining partial weights of the rotary machine component by supporting the platform on a pair of weight scales vertically aligned with and substantially centered on the spaced locations, wherein a total weight TW of the component is equal to a sum of the partial weights; (c) utilizing information obtained in step (b), locating a center of gravity of the component relative to the one of the spaced locations and determining a radial distance D | 02-10-2011 |
20110030460 | METHOD AND APPARATUS FOR DETERMINING LOAD AMOUNT IN A LAUNDRY TREATING APPLIANCE - A method for determining the amount of laundry in a laundry treating appliance comprises determining a first load amount based on a characteristic of the oscillating of a drum and determining if the first load amount satisfies a load amount threshold. When the first load amount satisfies the load threshold, the drum may be rotated in accordance with a laundry inertia algorithm to determine inertia of the load. The second load amount may then be determined based on the inertia of the laundry. | 02-10-2011 |
20110138892 | Methods and Systems for Determining Process Variables Using Location of Center of Gravity - Methods and systems for using force measurements to determine the amount of material in a container and/or the rate at which material is discharged from a container are disclosed. A container for storing a desired material is positioned so that the center of gravity of the container shifts horizontally with changes in level of the material in the container. A plurality of load sensors are symmetrically arranged at a base of the container and are used to monitor the amount of materials in the container. | 06-16-2011 |
20110232375 | Construction Machine - The present disclosure relates to a construction machine having an undercarriage; a superstructure rotatably supported relative to the undercarriage by a revolving roller connection; and a control system, wherein measuring devices are arranged in the revolving roller connection for the force measurement in the directions of pulling and compression, and the control system determines the force in the axis direction of the axis of rotation as well as the torque which is caused by the eccentricity of the force with respect to the axis of rotation from the detected measured values of the measuring devices. From this, improved monitoring of the operational safety and stability of such a construction machine is achieved. | 09-29-2011 |
20120085153 | Gravity-center-neutral eccentric and measurement device - A gravity center neutral eccentric is provided. The gravity-center-neutral eccentric includes an axis of rotation and an eccentric region, wherein the center of mass of the eccentric lies on the axis of rotation. In another embodiment, a center of mass of the eccentric region also lies on the axis of rotation. A measurement device including a gravity center neutral eccentric is also provided. | 04-12-2012 |
20120279285 | SAFETY DEVICE AND PREPARATORY MOVEMENT DETERMINATION METHOD - A safety device for a machine having an action part for processing or moving an object includes: a posture obtainment unit configured to obtain a plurality of posture data indicating a posture of at least part of the lower body of a worker; and a preparatory movement determination unit configured to determine that a preparatory movement preceding a dangerous movement which brings at least part of the upper body of the worker closer to a working area of the action part is being performed in the case where a change in the posture indicated by the plurality of posture data shows that the worker is shifting a center of gravity of whole body of the worker in an orientation away from the working area of the action part without changing positions of both feet. | 11-08-2012 |
20130081451 | Measurement Device of Position of Center of Gravity of Vehicle to be Measured on Truck Scale and Truck Scale - As a measurement table ( | 04-04-2013 |
20130139577 | RIGID BODY CHARACTERISTIC IDENTIFICATION SYSTEM AND RIGID BODY CHARACTERISTIC IDENTIFICATION METHOD - A rigid body characteristic identification system which identifies rigid body characteristics of a measurement target including its mass and center of gravity position, provided with an immovable stationary part | 06-06-2013 |
20130160534 | METHOD FOR DETERMINING A SIZE OF AN ELECTRONIC APPARATUS USED FOR AN EXTERNAL APPARATUS, AND ELECTRONIC APPARATUS - According to at least one embodiment, the embodiment provides a method for determining a size of an electronic apparatus. The electronic apparatus includes a connector for electrically connecting to an external apparatus, and a supporting plate for supporting a back surface of the external apparatus. The method includes determining a minimal length of the electronic apparatus by balancing moment of forces on a first fulcrum according to a first acting force, a gravity of the external apparatus and a length of the external apparatus in a condition that the external apparatus does not rotate with respect to the electronic apparatus. | 06-27-2013 |
20140000351 | DYNAMIC RACK CABINET STABILITY TESTING | 01-02-2014 |
20140331748 | LATERAL ROLLOVER LIMIT DETECTION SYSTEM - Provided is a lateral rollover limit detection system which can determine the lateral rollover danger of a structure for which the weight or the weight distribution has not been clarified. A placement board, springs, and detection object are provided as a structure in which the placement board is supported with springs on both sides of an oscillation central axis with an acceleration sensor for detecting the reciprocating motion in an up-down direction of the placement board, and an arithmetic part which, on the basis of the inclination angle of the placement board in a direction of rotation around the oscillation central axis with respect to the horizontal plane in a standstill state of the detection object and the detection result by the acceleration sensor, calculates a limit center-of-gravity height beyond which the detection object is rolled over for a center-of-gravity location on the placement board of the structure being provided. | 11-13-2014 |
073650030 | Ball driving sporting implement (e.g., golf club, baseball bat, etc.) | 3 |
20100326175 | GOLF BALL - On the basis of a surface shape appearing at a predetermined point moment by moment during rotation of a golf ball having numerous dimples on its surface, a data constellation regarding a parameter dependent on a surface shape of the golf ball is calculated. A preferable parameter is a distance between an axis of the rotation and the surface of the golf ball. Another preferable parameter is a volume of space between a surface of a phantom sphere and the surface of the golf ball. Fourier transformation is performed on the data constellation to obtain a transformed data constellation. On the basis of a peak value and an order of a maximum peak of the transformed data constellation, an aerodynamic characteristic of the golf ball is determined. The peak value and the order of the maximum peak are calculated for each of PH rotation and POP rotation. | 12-30-2010 |
20110283782 | BALL MOVEMENT PATH MEASURING METHOD - A ball movement path measuring method includes the steps of: preparing an operating unit and a measurement unit, mounting the triaxial accelerometer in the object to be measured for enabling the triaxial accelerometer to define XYZ triaxial space coordinates, obtaining the data of a initial position of the XYZ axes at a first measuring time and the data of a reference position of the XYZ axes at a second measuring time and transmitting the obtained data to the operating unit, and comparing the reference position to the initial position and calculating the XYZ acceleration data, XYZ vector components of force and torsion force relative to each of XYZ axes after receipt of force subject to the contained angle between the coordinates data of the reference position and the coordinate data of the initial position and then using the XYZ acceleration data and the data of the weight and size of the object to calculate the force experienced by the object, initial velocity, flight duration, flight height, flight distance and/or rotation speed. | 11-24-2011 |
20160067572 | APPARATUS FOR TESTING A GOLF CLUB - An apparatus for testing a golf club. The apparatus holds a golf club, and moves that club through a downswing that extends from an initial position that is at the top of the downswing to at least an impact position in which the golf club head would impact a golf ball. The apparatus includes a support frame, motors, an elongate member, a gripping device for holding a golf club, and a controller. The elongate member has an inner section connected to an outer section by a swivel joint. The gripping device is connected to the outer section by a revolute joint. The controller generates motor drive signals to cause the motors to rotate to effect the downswing such that, during the downswing, the outer section rotates relative to the inner section and the golf club face is in an aligned position when the club head is at the impact position. | 03-10-2016 |
073650040 | Watercraft (e.g., metacentric height) | 1 |
20160138994 | INERTIA TEST APPARATUS FOR MODEL SHIP - The present invention provides an inertia test apparatus for a model ship that mimics a pitching inertia radius of an actual ship by reciprocating a model ship. The apparatus includes a base frame providing a supporting force, vertical frames integrally fixed at both sides of the base frame and having a hinge shaft on an upper end, a swing including a pair of fixing members rotatably hung on the hinge shafts of the vertical frames and a bed integrally formed at a lower ends of the fixing members, and providing a pitching inertia radius of the model ship by reciprocating about the hinge shafts, with the model ship seated on the bed, and a centering adjuster seating the model ship on the bed of the swing and matching a center of gravity of the model ship with a center of the swing by allowing the model ship to move. | 05-19-2016 |
073650050 | Air or space vehicle | 2 |
20090064769 | System and Method for Determining a Center of Gravity of an Aircraft - According to one embodiment of the disclosure, a method of determining a center of gravity of an aircraft includes receiving a strut length for each of the gears of an aircraft, determining an arm length for each of the gears, and determining a center of gravity of the aircraft based on a relationship between the center of gravity and respective arm lengths for each of the gears. The arm length of each of the gears is determined according to the strut length of a gear strut of a respective gear and a relationship between the strut length of the gear strut to another gear of another aircraft and the arm length of the respective gear. | 03-12-2009 |
20130340511 | SYSTEM AND METHOD FOR GROUND VIBRATION TESTING AND WEIGHT AND BALANCE MEASUREMENT - An apparatus for lifting an aircraft may include a plurality of lifting mechanisms mounted on a supporting surface. Each lifting mechanism may be configured to impart an upward force on a component of the aircraft for lifting the aircraft off the supporting surface. The apparatus may include a beam structure configured to be mounted to the lifting mechanisms. The apparatus may also include a lifting beam suspended from the beam structure. A measurement device may be mounted to the lifting beam and may be configured to engage a jack point associated with the component to determine a weight of the aircraft when the aircraft is lifted off the supporting surface. | 12-26-2013 |
073650070 | Dynamic | 3 |
20140260569 | CENTER-OF-GRAVITY DETECTING SYSTEM - There is provided a highly versatile center-of-gravity detecting system which can accurately detect the center of gravity of not only a container cargo vehicle but also various detection objects. | 09-18-2014 |
20160116362 | GRAVITY PENDULUM, ADAPTER AND HOLDER - The invention relates to an adapter for a gravity pendulum, which adapter comprises a support for fastening a gravity body to be measured and at least two seat parts arranged at the support. The at least two seat parts comprise ellipsoid caps which can be held on a holder or on seating faces of a holder and are used to oscillate the adapter. | 04-28-2016 |
073650080 | Torsional oscillation | 1 |
20130036801 | APPARATUS AND METHOD FOR MEASURING MOMENT OF INERTIA - A method and apparatus for determining the mass moment of inertia of a given object is disclosed, The apparatus is a mass moment of inertia platform whereon objects to be measured can be placed. The platform uses flex pivots as torsional springs and the method ensures the flex pivots are procured and assembled in such a way so as to limit flex pivot misalignment systemic errors thereby resulting in a highly accurate and low-cost apparatus for measuring the mass moment of inertia. | 02-14-2013 |
073650090 | Electric sensor | 2 |
20150059454 | Sensor arrangement - A sensor arrangement for sensing an environmental property of an environment of the sensor arrangement, the sensor arrangement comprising:
| 03-05-2015 |
20160138995 | System for Field Measurement of Center of Gravity - A platform less center of mass measurement system employs independently positionable load cell units whose locations can be identified and combined with load cell measurements to compute a center amass for arbitrarily shaped large structures without the need for precise or predetermined locating of the load cell units on a platform or the like. | 05-19-2016 |