A method for monitoring performance of at least one component on a moving platform, the method including receiving sensor data for the at least one component, along with supplemental data, at a processing node; and processing the sensor data, the processing using the supplemental data to filter the sensor data.

An on-board monitoring system for bogies or railroad trucks monitors components over time. The system is modular comprising a first modular device for mounting on the vehicle next to a component to be monitored and passing data on to one or more further modular devices. Focussed data acquisition and ongoing monitoring of a component becomes possible. Data transmission and analysis is also considered.

There is provided an abnormality diagnosis device, a bearing, a rotation device, an industrial machine, and a vehicle, which are able to discover abnormality early and also set a diagnosis threshold relatively easily. A differential value between an initial frequency component and an actual measurement frequency component is calculated, the differential value is compared to the diagnosis threshold, and abnormality diagnosis for an abnormality diagnosis target is carried out based on the comparison result, where the initial frequency component is a feature frequency component of abnormality of the abnormality diagnosis target in the rotation device, which is extracted from an initial vibration value measured at initial measurement timing while the axle is rotating at setting rotation speed during an operation of the rotation device, and the actual measurement frequency component is a feature frequency component extracted from an actual measurement vibration value measured at actual measurement timing that is the initial measurement timing or later while the axle is rotating at the setting rotation speed during the operation of the rotation device.

An apparatus for determining damage on structural components, for example large rolling bearings, on work machines, in particular construction, material handling and/or conveying machines, including at least one structure-borne sound sensor for detecting structure-borne sound signals of at least one structural component of the work machine, and also an evaluation device for evaluating the detected structure-borne sound signals and determining the damage state on the basis of a comparison of the detected structure-borne sound signals with at least one structure-borne sound signal reference pattern, provision being made of a detection device for detecting state and/or environmental changes relevant to structure-borne sound, and also an adapting device for adapting the at least one structure-borne sound signal reference pattern and/or an evaluation criterion of the evaluation device on the basis of the detected state and/or environmental changes.

A monitoring method and monitoring apparatus for the remaining life of a bearing are provided. The monitoring method comprises: during the operation of a bearing, determining a position where a defect of the bearing is located, and determining a size of the defect (S10); according to the position where the defect is located and a set condition, determining a failure mode of the bearing as well as an expansion rate and a failure value of the defect in the failure mode (S20), the failure value being a maximum value that the defect can reach when the bearing fails; and based on the size, expansion rate and failure value of the defect, obtaining the remaining life of the bearing (S30). The monitoring method and monitoring apparatus determine the remaining service life of a bearing, so that maintenance personnel can arrange a maintenance plan and counter measures in advance.

The present invention discloses a inspection device for detecting a defect of a metal object, where the inspection device includes a main base, at least one main magnetic module, and a main inspection module. The at least one main magnetic module is installed on the main base, for attaching the main base onto the metal object under an action of a magnetic force. The main inspection module is installed on the main base, to detect at least one type of defect of the metal object. The present invention further discloses a wheel defect inspection method and a wheel defect inspection device. The metal object defect inspection device may implement automatic detection of a defect on a whole circumference of a wheel.

Monitoring of a machine is performed by an acoustic monitor which acquires, through an acoustic sensor, acoustic signals from a vicinity of a machine, while the machine is operative. A processor calculates a frequency spectrum of a segment of the acquired acoustic signals, determines boundaries of a frequency band to be analyzed and extracts, from the calculated frequency spectrum, a base frequency window in the determined boundaries, and one or more harmonics windows of harmonics of the determined boundaries. For each of the base and harmonic windows a weight based on a distribution of values of frequencies in the windows is determined and a parameter of operation of the machine is calculated as a function of a weighted sum of the base and harmonic windows. The operation of the machine is evaluated responsive to the calculated parameter.

A bearing lubrication system includes an ultrasonic signal detector affixed in proximity or in contact with a set of bearings and a control unit. The control unit including (a) a lubrication dispenser fixed to a structure connected with the set of bearings and having an output for dispensing lubricant to the set of bearings through a controllable valve; and (b) a transceiver affixed in proximity to the set of bearings, said transceiver transmitting the ultrasonic signal to a location remote from the set of bearings. A hub computer is at the remote location that receives the ultrasonic signal from the transceiver. When the hub computer determines that the ultrasonic signal is above a local predetermined threshold the hub computer generates a local valve open/close signal and sends it back to the transceiver of the control unit. When the local valve open/close signal is received at the transceiver it causes the valve to open and allow lubricant to reach the bearings and closes the valve when the ultrasonic signal drops below the threshold.

A solution for evaluating the condition of a vehicle component based on resonant response profiles across a set of bands of vibrations. The vibrations can be induced into the target component during normal operation of the target component. The resonant response profile of the vehicle component can vary depending on wear or damage, and thus can be used to determine whether the vehicle component can safely remain in use. An embodiment comprises an isolated segment of rail of a length selected to allow a single railroad wheel on it at a time, with a set of devices which can induce specific vibrations into the wheel as it passes, and another set of devices which can acquire the resonance signals from the wheel.

The invention relates to a toothing arrangement, having at least one first element (11) which has a toothing (111), and having at least one second element (12) which interacts with the first element (11). According to the invention, at least one receiver (3) is provided which is arranged on the first or on the second element (11, 12) and which serves for receiving acoustic waves (SAW) which are incited in the first and/or second element (11, 12), wherein information regarding characteristics of the toothing arrangement (1) can be determined through evaluation of a signal which is generated by the receiver (3) upon receipt of the acoustic waves (SAW).