A system for determining a center of gravity (COG) of a commodity of a railcar comprises a plurality of sensors and a computing device. At least a first sensor from the plurality of sensors is disposed on a first center plate of the railcar. At least a second sensor from the plurality of sensors is disposed on a second center plate of the railcar. Each sensor is configured to determine a change in force imposed on the sensor based on a change in micro strain on the sensor. The computing device receives a plurality of force values from the plurality of sensors. The computing device determines a weight of the railcar body and commodity by combining the received force values. The computing device determines the COG of the railcar body and commodity based at least on the plurality of force values and the weight of the railcar.

A method includes collecting wheel loads applied to wheels tires of the vehicle, from wheel sensor sets installed in the wheels, when the vehicle is in a steady state and when it is subjected to a movement computing, by a vehicle control unit, longitudinal and lateral positions of a center of gravity of the vehicle, based on vehicle parameters and the wheel loads when the vehicle in the steady state; measuring the movement; and computing, by the vehicle control unit, a height of the center of gravity, based on the movement, the vehicle parameters, the longitudinal or lateral position of the center of gravity and the wheel loads when the vehicle is subjected to the movement.

A center-of-mass height estimation device includes a roll moment calculation unit for calculating roll moment of a sprung portion in a vehicle on the basis of bearing capacities of left and right suspensions provided on the vehicle, a lateral acceleration measurement unit for measuring lateral acceleration, which is acceleration in a width direction of the vehicle, a mass measurement unit for measuring mass of the sprung portion, a transfer function calculation unit for calculating a transfer function of the roll moment with respect to the lateral acceleration, and a center-of-mass height calculation unit for dividing the gain of the transfer function by the mass of the sprung portion to calculate a height from a roll center of the vehicle to a center of mass of the sprung portion.

A method for analyzing sensitivity of automotive body parts with respect to an automotive body performance of an automotive body including the automotive body parts, the method being executed by a computer and including: acquiring an automotive body model including the automotive body parts modelled with elements; setting: an objective condition related to an automotive body performance of the automotive body model; a constraint condition related to a volume of the automotive body model; and a loading condition to be imposed on the automotive body model; obtaining sensitivities of respective elements that satisfies the objective condition under the loading condition and the constraint condition; and calculating sensitivities of each of the automotive body parts based on the sensitivities of the respective elements.

A shovel includes an attachment attached to a revolving upper body; and a control device including a memory and a processor configured to execute estimating a center of gravity of loaded matter loaded in the attachment, and calculating a weight of the loaded matter based on the estimated center of gravity of the loaded matter.

The present disclosure relates to a device (100) for determining orientation of an object (3). The device (100) includes a hollow-spherical enclosure (2) supportable by the object (3) and a plurality of sensors (S1 . . . Sn) circumferentially disposed in the hollow-spherical enclosure (2). A gimbal assembly (1) is secured in the hollow-spherical enclosure (2), where at least one gimbal ring of the gimbal assembly (1) is fixed perpendicular to a gravitational weight a gravitational vector (G) of the gimbal assembly (1). Further, at least one light source (8) is secured in the gimbal assembly (1) and the gimbal assembly (1) is configured to align the at least one light source (8) relative to orientation of the object (3) such that, the light emitted by the at least one light source (8) is incident on at least one sensor of the plurality of sensors (S1 . . . Sn), to determine orientation of the object (3).

A vibration analysis system includes: a signal input portion that receives an input of a vibration signal detected by a sensor; an intensity calculation portion that calculates a plurality of signal intensities corresponding to a plurality of frequency bands by analyzing the vibration signal; a first distance calculation portion that calculates a first Mahalanobis distance of a first signal space configured of the plurality of signal intensities with respect to a first unit space; a gravity center calculation portion that calculates two-dimensional gravity center data indicating gravity center positions of the plurality of signal intensities; a second distance calculation portion that calculates a second Mahalanobis distance of a second signal space configured of the gravity center data with respect to a second unit space; and an abnormality prediction portion that predicts an abnormality generation period of the object based on the first Mahalanobis distance and the second Mahalanobis distance.

There is provided a load detection device for use in a warehouse. The load detection device includes one or more load modules (100) configured to support a load (200) and obtain a data of the load (200). Each of the one or more load modules (100) includes an electronic load cell (101) for converting weight or force applied on the electronic load cell (101) by the load (200) into an electrical signal to provide raw weight data of the load, a mounting base (102) coupled to the electronic load cell (101) for supporting the electronic load cell (101) to be placed against a ground, and a platform (103) coupled to an upper part of the electronic load cell (101) to increase an area of contact with the load (101).

A reliability determination system according to an embodiment of the present disclosure includes a measurement unit, a determination unit, and a storage unit. The measurement unit measures a movement of a center of gravity of an operator who inputs data. The determination unit determines the reliability of the input data using a result of the measurement of the movement of the center of gravity of the operator inputting the data. The storage unit stores the reliability in association with the input data.

A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.