G05B23/0254

METHOD AND DEVICE FOR MANIPULATION DETECTION ON A TECHNICAL DEVICE IN A MOTOR VEHICLE WITH THE AID OF ARTIFICIAL INTELLIGENCE METHODS
20220316384 · 2022-10-06 ·

A method for manipulation detection of a technical device, i.e., an exhaust gas after treatment device in a motor vehicle, including: providing an input vector including system variable(s) and including at least one control variable for an intervention in the technical device for successive time steps; using a data-based manipulation detection model to generate a corresponding output vector as a classification vector in each time step for each input vector, each output vector indicates a classification of a monitored variable in value ranges, for the input vector; providing an actual monitored variable based on at least one measured value in the successive time steps; creating a measurement classification vector from the actual monitored variable for each time step; detecting a manipulation as a function of the measurement classification vector and a first and a second comparison vector for time step(s) of the time window.

METHOD FOR MONITORING HEALTH STATUS OF A CHASSIS SYSTEM OF A VEHICLE
20230150520 · 2023-05-18 ·

Method for monitoring health status of a chassis system of a vehicle comprising a new electronic control unit, a set of sensors, and a communication bus configured to convey signal data, the new electronic control unit being configured to run a vehicle chassis system simulation module based on a vehicle main physics-based model of each subsystem of the chassis system of the vehicle, a first neural network module, a second neural network module, and a signal processing module, comprising the following steps implemented by the new electronic control unit to predict a first set of data-driven subsystem health statuses, provide a second set of physics-based subsystem health statuses, provide a set of consolidated subsystem health statuses, and depending on the set of consolidated subsystem health statuses, produce a support recommendation to correct failures indicated by the set of consolidated subsystem health statuses.

FAULT DIAGNOSIS METHOD, METHOD FOR BUILDING FAULT DIAGNOSIS MODEL, EQUIPMENT, DEVICE AND MEDIUM
20230152793 · 2023-05-18 ·

The embodiments of the present disclosure provide a fault diagnosis method, a method for building a fault diagnosis model, fault diagnosis equipment, electronic device, and non-transitory computer-readable storage medium. The fault diagnosis method, for diagnosing a fluid device, which includes a suction end and a discharge end, includes: obtaining a data set for diagnosing the fluid device, wherein the data set includes first characteristic data about the suction end, second characteristic data about the discharge end, and input-output difference data, and the input-output difference data represents data difference between the suction end and the discharge end; obtaining a fault diagnosis model; and determining whether the fluid device is in failure based on the fault diagnosis model and the data set.

FAILURE PREDICTION SYSTEM
20230147470 · 2023-05-11 ·

A technique involves outputting not only the condition of hydraulic oil but also information on failure prediction of equipment by processing in real time. Such a technique utilizes an oil condition sensor attached to the equipment, a parameter calculator that calculates the values of a plurality of parameters indicating the state of the hydraulic oil based on the sensor output of the oil condition sensor and correlation information between the sensor output and the values of a plurality of parameters indicating the state of the hydraulic oil, and failure prediction determiner that predicts equipment failures based on parameter values and identifies and outputs parameters that are inferred as the cause of the failure prediction, and outputs not only the condition of hydraulic oil but also information on failure prediction of the equipment by processing in real time.

Hot water supply device

A hot water supply device including an inlet pipe, an outlet pipe, a burner unit, a heat exchanger, an exhaust aperture, a first temperature sensor detecting a measured exhaust temperature of the exhaust gas, a second temperature sensor detecting a water temperature of water entering the inlet pipe, and a processor. The processor is configured to obtain an error between the measured exhaust temperature and an estimated exhaust temperature, and detects that scale clogging has occurred inside the heat exchange tubing based on an index which is generated using the error between the measured exhaust temperature and the estimated exhaust temperature. The estimated exhaust temperature is a first predetermined value that is determined using a numerical equation which has at least the water temperature of water entering the inlet pipe and a scale number of the hot water supply device as variables of the numerical equation.

Method for improving the measuring performance of automation field devices

Disclosed is a method for improving the measuring performance of automation field devices, wherein each of the field devices determines a process variable using a measuring algorithm and is exposed to measurable environmental influences. The method includes capturing the calibration data of the field devices and capturing an item of environmental information of the field devices at defined time intervals; storing the environmental information, the calibration data, and a time stamp in a database; selecting a group of field devices which determine a process variable using the same measuring algorithm and which are exposed to the same environmental influences; correlating the environmental information and calibration data captured over time; creating a mathematical model relating the calibration data and the environmental information; adapting the measuring algorithm on the basis of the model; and transmitting the adapted measuring algorithm to all field devices in the group.

Automatic modeling for monitoring, diagnostics, optimization and control

A modular modeling engine is provided for industrial automation applications. The module may be instantiated upon demand, such as upon receipt of annotated data for a system or process being monitored and/or controlled. The model is agnostic insomuch as little or no prior knowledge is required of the system or process. Variables, functions, and their combinations are selected and the model is refined automatically. A data structure is received for instantiation of the model, and following modeling, a similar data structure is produced. The module may be used together with other modules for caning out complex automation processing at the same or multiple levels in an automation setting.

Product state estimation device

A product state estimation device includes: an examination result acquisition device that acquires an examination result related to a state of a product obtained through each shot by a die-casting machine; a time series data acquisition device that acquires time series data based on an output from a sensor that detects an operation state of the die-casting machine at each shot; a time series data manipulation device that performs manipulation that clips data of a predetermined time interval out of the time series data; an estimation model generation device that generates an estimation model by using a neural network with the examination result of the product and the manipulated time series data as learning data; and an estimation device that estimates information related to quality of the product based on the manipulated time series data obtained from a plurality of detection signals at each shot by using the estimation model.

BUILDING DATA PLATFORM WITH DIGITAL TWIN BASED FAULT DETECTION AND DIAGNOSTICS
20230152757 · 2023-05-18 ·

Systems and methods of managing a building are disclosed. In some embodiments, a method includes receiving, by a processing circuit, an indication to execute a digital twin, the digital twin including one or more fault detection or diagnostics functions and a virtual representation of a piece of equipment, the virtual representation including one or more entities of a building and relationships between the entities of the building, executing the digital twin based on the virtual representation of the piece of building equipment to generate an indication of a fault or a diagnosis of the fault for the one or more pieces of building equipment, and storing an indication of the fault or a diagnosis of the fault, or a link to the fault or the diagnosis of the fault, in the virtual representation of the piece of equipment.

MULTI-MODAL SENSOR DATA FUSION FOR PERCEPTION SYSTEMS

A method includes fusing multi-modal sensor data from a plurality of sensors having different modalities. At least one region of interest is detected in the multi-modal sensor data. One or more patches of interest are detected in the multi-modal sensor data based on detecting the at least one region of interest. A model that uses a deep convolutional neural network is applied to the one or more patches of interest. Post-processing of a result of applying the model is performed to produce a post-processing result for the one or more patches of interest. A perception indication of the post-processing result is output.