Systems, methods, and computer-program products for fluid analysis and monitoring are disclosed. Embodiments include a removable and replaceable sampling system and an analytical system connected to the sampling system. A fluid may be routed through the sampling system and data may be collected from the fluid via the sampling system. The sampling system may process and transmit the data to the analytical system. The analytical system may include a command and control system to receive and store the data in a database and compare the data to existing data for the fluid in the database to identify conditions in the fluid. Fluid conditions may be determined using machine learning models that are generated from well-characterized known training data. Predicted fluid conditions may then be used to automatically implement control processes for an operating machine containing the fluid.

A system and method for identifying engine wear based on engine oil debris is provided. The provided system and method utilize metallic debris data provided in summary reports. For each object of metallic debris, a zap count, an initial (pre-zap) impedance and an impedance change (post zap) are processed with configurable reference variables. Alerts (suggesting potential engine wear) are generated responsive to the impedance values of the objects of metallic debris and the reference variables.

An oil sensor comprising a holder to which an elongated crystal is fastened that is transparent to infrared light and with a refractive index greater than the refractive index of the oil to be examined, whereby a light source is provided in the holder at a first end of the elongated crystal for transmitting light in the infrared spectrum in the elongated crystal, and detector at a second end of the elongated crystal for measuring the intensity of the light, which during the passage through the elongated crystal undergoes total reflection at a boundary plane at least four times in succession in a contact zone where the elongated crystal comes into contact with the oil, wherein the oil sensor is further provided with at least one temperature sensor to determine the temperature of at least one of the components of the oil sensor.

A method for performing condition-based maintenance of an engine is presented. The method includes obtaining one or more parameters corresponding to the engine. Also, the method includes determining a temperature profile corresponding to a portion of a fluid flow component based on a first parameter and one or more thermal models. The method further includes estimating a solid deposit in the portion of the fluid flow component corresponding to each cycle of the engine based on the temperature profile and deposition kinetics parameters. Further, the method includes predicting a total solid deposit in the portion of the fluid flow component based on the estimated solid deposit corresponding to each cycle of the engine. Moreover, the method includes performing the condition-based maintenance of the engine based on a value of the predicted total solid deposit.

A method of managing fuel in oil 100 in an internal combustion engine of a hybrid electric vehicle, the method comprising: determining an amount of fuel flow into the engine oil during one or more cold start phases of engine operation 110; determining an amount of fuel evaporated from the engine oil during one or more phases of vehicle operation with the engine on 120; determining an amount of fuel evaporated from the engine oil during one or more phases of vehicle operation with the engine off 130; determining a percentage of fuel in the engine oil 140 from the amount of fuel flow into the engine oil and the amount of fuel flow evaporated from the engine oil; and modifying a service interval for the vehicle 150 based on the percentage of fuel in the engine oil.

Mobile devices emit signals in Bluetooth, Wi-Fi and cellular (i.e. 2G, 3G, 4G, Edge, H+, etc.). These signals attempt to connect to paired devices, hotspots, cell towers, or other suitable wireless connection points to greater networks. In order to connect to connect to hotspots mobile devices send out identifying data to establish a connection. Hotspots may unobtrusively collect the identification data of the mobile device, and then reject the connection request. The hotspots collect data in real time on the mobile device, and by association, the human carrying the mobile device without having alerted or impeded the human carrier. The system uses analytical software to determine, for example, an approaching unique ID user's presence, history, frequency of visits, duration of presence and so on.

An exemplary monitoring assembly includes a sensor that provides a first output when a lubricant reservoir holds a first amount of a contaminant, and a different, second output when the lubricant reservoir holds a different, second amount of the contaminant. A lubrication system monitoring controller operatively coupled to the sensor and configured to initiate a maintenance mode in response to the second output.

An apparatus for diagnosing lubricant degradation includes a soot amount estimator configured to estimate an amount of soot formed in a predetermined period in a combustion chamber of an engine, and diagnoses the degradation of a lubricant based on a cumulative value of the amount of soot estimated. The soot amount estimator calculates the amount of soot based on a speed of the engine and a load parameter related to a load of the engine, and corrects, based on a temperature parameter correlated to the temperature of the combustion chamber, the amount of soot calculated into an increased value if the temperature parameter is lower than a predetermined first temperature.

An oil management system to reduce and remove the amount of soot, rust or other contaminating particles in oil used in an engine, the oil management system comprising an oil filter assembly including a filter element and an additive cartridge, the additive cartridge configured to provide a means for continuously dispersing a small quantity of additive into the oil; an oxidation prevention means to prevent or diminish oxidation of metal in the oil management system; and an oil condition monitoring sensor to measure various aspects of the oil in the oil management system.