Abstract: A substance sensor includes sensitive membranes to react with substances included in the odors of a gas in correspondence with the substances, and is configured to detect the reaction values of the sensitive membranes. An odor specifier specifies the odors of the gas on the basis of the reaction values of the sensitive membranes. A reaction value calculator calculates reaction values corresponding to the odors specified by the odor specifier on the basis of the reaction values of the sensitive membranes. A percentage calculator calculates the percentages of the reaction values corresponding to the odors specified by the odor specifier to the total of the reaction values corresponding to the odors. A display displays the percentages of the reaction values corresponding to the odors, calculated by the percentage calculator, so that comparison of the percentages is enabled between the odors specified by the odor specifier.

Abstract: A method for detecting damage to one or more components of a fluid-conducting device such as a pump assembly, valve or the like uses at least one odor sensor to detect an odor produced by one of the components and transmit an odor profile to an evaluation unit. The evaluation unit compares the odor profile with one or more characteristic odor profiles to determine whether an odor indicative of a degraded component is present. If the detected odor profile matches a characteristic odor profile match, an output signal is generated in an output unit.

Abstract: An information processing apparatus (20) includes a use environment information acquisition unit (210), a model selection unit (220), and a prediction unit (230). The use environment information acquisition unit (210) acquires use environment information indicating a use environment of a physical system having input-output. The model selection unit (220) selects, from a storage unit storing a plurality of prediction models of the physical system in association with section information indicating a section based on the use environment, a prediction model being associated with section information of a section matching the use environment indicated by the use environment information. The prediction unit (230) performs prediction based on output of the physical system by use of the selected prediction model.

Abstract: An odor evaluation device, including: a gas chromatograph including a separation column configured to temporally separate a plurality of components contained in an odoriferous analysis-target gas; a timing detector configured to detect, for each of the plurality of components, a timing at which the component exits from the separation column; a gas collector configured to collect, into a sample bag, a gas containing all or some of the components exiting from the separation column when the analysis-target gas is passed through the separation column; a timing setter configured to allow a setting of a timing at which a component contained in the gas to be collected into the sample bag exits from the separation column; and a gas introducer configured to introduce a dilution gas into a passage connecting the separation column and the sample bag.

Abstract: A system for determining an age and/or quality of food or beverage based on one or more combinations of outputs from gas sensors input into a deployed machine learning model is provided. The system may comprise an electronic nose which may comprise a housing and the gas sensors. The housing may have an air channel. Each sensor has its active sensor portion in the air channel. A system for predicting one or more natural language descriptors associated with aromas of an item based on one or more outputs of the gas sensors and calculated one or more ratios input into a logistic regression model is also provided.

Abstract: A scent detecting apparatus detects the amount of at least one of a scented substance or a metabolite of the scented substance released from a plant, and transmits detected-amount information indicating the detected amount of at least one of the scented substance or the metabolite to a server apparatus. The server apparatus receives the detected-amount information transmitted by the scent detecting apparatus, estimates the freshness of the plant on the basis of an added amount of the scented substance indicated by stored added-amount information and on the basis of the detected amount of at least one of the scented substance or the metabolite indicated by the received detected-amount information, and transmits freshness information regarding the estimated freshness to the scent detecting apparatus. The scent detecting apparatus receives the freshness information from the server apparatus and presents the received freshness information.

Abstract: A multi-gas sensing system includes a sensing circuit comprising one or more sensing elements. Each sensing element includes a sensing material configured to detect at least one gas analyte. A management circuit is configured to excite the sensing elements with an alternating current at at least one predetermined frequency. The management circuit measures one or more electrical responses of the sensing elements responsive to exciting the sensing elements with the alternating current. The management circuit determines one or more characteristics of the sensing circuit. One or more processors receive the electrical responses of the sensing elements and the characteristics of the sensing circuit. The one or more processors determine a concentration of the at least one gas analyte based on the electrical responses of the sensing elements and the characteristics of the sensing circuit.

Abstract: Systems and methods of chemical process simulation providing improved methods and systems for expressing the composition of a stream in a chemical process model in a manner that is not immediately indicative of the underlying composition, providing for improved accuracy of allocation of a process output stream to the appropriate source(s), avoiding duplication of components or other inaccurate component representations in relation to critical calculations, and improving the operation of a computer or other computing system for performing chemical process modeling and simulation. The systems or methods provide for three distinct layers of interaction, separating mixed species displayed to the user from individual species used in calculations, while providing transformation objects between dataset layers to provide for accurate modeling, calculation, and display.

Abstract: A method and apparatus for operating a multi-gas sensor are disclosed. In an embodiment, a method includes providing at least one calibration input comprising sensor design data of the multi-gas sensor, which varies dependent on production process parameters, and/or sensor production process parameter data of the multi-gas sensor, and/or measurement results of the multi-gas sensor captured when the multi-gas sensor is exposed to one of the gases or a gas mixture to be detected and/or sensed by the multi-gas sensor; providing a trained neural network including an input layer with K input nodes, an output layer with L output nodes and at least one hidden layer; storing each calibration input as a fixed input to a corresponding input node of the trained neural network; and providing a multi-gas sensor output for at least a part of the gases to be detected and/or sensed by the multi-gas sensor dependent on the trained neural network and actual measured sensor values from the sensor elements.

Abstract: An odor is detected with high accuracy. A sensing system includes: a sensor apparatus including a filter to remove an odor-causing substance contained in air and a sensor unit including one or more detection elements to detect an amount of the odor-causing substance contained in air; and an information processing apparatus including a difference calculation unit to calculate a difference between a detection value of each of the one or more detection elements, the detection value indicating an amount of the odor-causing substance contained in air that has passed through the filter and a detection value of each of the one or more detection elements, the detection value indicating an amount of the odor-causing substance contained in air that has not passed through the filter, and a determination unit to determine an odor of air based on the calculated difference.

Abstract: Embodiments of the present disclosure relate to a method for detecting an air discharge decomposed product based on a virtual sensor array, comprising: fabricating a virtual sensor array; disposing the virtual sensor array in a hermetically sealed gas chamber, energizing, and initializing; performing gas-sensitive testing to the virtual sensor array and storing a testing result as samples to store; and building a convolutional neural network model diagram for identifying contents of gas components, and identifying an atmosphere. The virtual sensor array fabricated by the present disclosure may reduce the array size and the overall volume of a device to an extreme content; the built convolutional neural network may dig other feature information besides a response value from a response curve of a sensor, thereby effectively improving identification efficiency and identification accuracy.

Abstract: A method for fragrancing and/or deodorizing a cleaning appliance is disclosed. The method involves capturing first information or obtaining captured first information indicative of an odor load in the interior of the cleaning appliance, producing fragrancing and/or deodorizing information based at least in part on the captured or obtained first information or outputting the captured first information in order to produce fragrancing and/or deodorizing information of this type, and initiating fragrancing and/or deodorization by employing at least one actuator for releasing a fragrancing and/or deodorizing agent based on the fragrancing and/or deodorizing information produced. A corresponding dosing device, a device for carrying out and/or controlling the method, and a system with one or more devices for carrying out and/or controlling the method are also disclosed.

Abstract: A micro-electrical-mechanical system (MEMS) resonator device includes at least one functionalization material arranged over at least a central portion, but less than an entirety, of a top side electrode. For an active region exhibiting greatest sensitivity at a center point and reduced sensitivity along its periphery, omitting functionalization material over at least one peripheral portion of a resonator active region prevents analyte binding in regions of lowest sensitivity. The at least one functionalization material extends a maximum length in a range of from about 20% to about 95% of an active area length and extends a maximum width in a range of from about 50% to 100% of an active area width. Methods for fabricating MEMS resonator devices are also provided.

Abstract: The invention provides: a gas sensor device that is capable of removing a component adsorbed on a gas sensor by relatively simple means and easily restoring a signal baseline of the gas sensor to a constant state; and a method for removing a gas component. The gas sensor device according to an embodiment of the invention includes a gas sensor and cleaning means that contains a liquid for cleaning the gas sensor. The gas sensor includes a sensor main body that is capable of detecting a characteristic parameter of a component present in a gas phase or a liquid phase, and a sensitive membrane that is coated on a surface of the sensor main body and is durable against the liquid.

Abstract: A gas detecting module is disclosed. A gas-inlet concave and a gas-outlet concave are formed on a sidewall of a base. A gas-inlet-groove region and a gas-outlet-groove region are formed on a surface of the base. The gas-inlet concave is in fluid communication with a gas-inlet groove of the gas-inlet-groove region, and the gas-outlet concave is in fluid communication a gas-outlet groove of the gas-outlet-groove region. The gas-inlet-groove region and the gas-outlet-groove region are covered by a thin film to achieve the effectiveness of laterally inhaling and discharging out gas relative to the gas detecting module.

Abstract: A sensor node includes a sensor node printed circuit board, a sensor module, and a communication module. The sensor node printed circuit board manages power of the sensor node circuitry, the sensor module and the communication module such that power is provided from a primary power supply supplemented by a secondary power supply. The sensor module includes a plurality of air quality sensors to measure the concentration of air pollutants. The sensor module may be replaceable. The communication module may communicate air quality measurements to and receive configurations from a data management platform, which may perform processes to improve the accuracy of the air quality measurements.

Abstract: Minimal-cost, high-accuracy, and portable devices used to detect the presence of insects at all stages of life, including in the egg stage, in stored products by sensing gas phase markers such as volatile pheromones, semiochemicals, and kairomones. The methods, devices, and systems disclosed herein utilize a sensor array configured to simultaneously measure a plurality of target markers and filter background gases while remaining compact, highly accurate, and easy to operate.

Abstract: Embodiments provide an odor identification system including an operation array unit including at least two or more sensors which interact with odor causative substances included in an odor factor of a gas sample, a sensor data processing unit processing data obtained by interaction with the odor factor in the operation array unit, an odor factor information storing unit storing information of the odor factor and the interaction pattern information of the odor factor in advance, and a pattern identification unit identifying the odor factor on the basis of an interaction pattern while referring to the pattern processed by the sensor data processing unit and the information of the odor factor information storing unit, and collating the interaction pattern with the known odor information, wherein the odor of the object to be measured is contained.

Abstract: An electronic device includes a communication device and a processor. The processor receives sensor kind information via the communication device from one of at least one sensor or an electronic measurement instrument to which the at least one sensor is connected, transmits the received sensor kind information to a database storing a combination of a sensor kind and a measurement mode in which measurement contents are defined, acquires, from the database, the measurement mode in accordance with the transmitted sensor kind information, and sets the acquired measurement mode corresponding to one of the at least one sensor or the at least one sensor connected to the electronic measurement instrument.

Abstract: The invention relates to a method for the identification of an analyte in a sample fluid. The method comprises the performance of a set of measurements on at least two sensors of different types. Sensors of different types may comprise Gas Chromatography sensors, CMOS gas sensors, a combination thereof, or more generally sensors in which it is possible to control a first physical parameter and measure, for different values of the first parameter, a second physical parameter representative of at least a concentration of the analyte. The method comprises the detection of maxima of the second parameter, the access to databases in order to find reference values of the first parameters in which maxima are found, and the comparison of values at which maxima are found and reference values, on the two sensors.

Abstract: Implementations of methods may be used for detecting firearms and ammunition in a school building, the methods may include: introducing a canine into a school building and providing access for the canine to smell one or more of a floor, a plurality of cabinets, or a plurality of bags in the school building. The method may also include observing an action of the canine sitting in a vicinity of an object that the canine has detected as containing one of gunpowder and ammunition.

Abstract: Animal-based olfactory detection of one or more target substances in a sequence of filters includes providing one or more enclosures each housing an animal, each enclosure including a sample presenting structure via which only a single olfactory sample is presented to the animal at any given time, presenting samples of the sequence of filters to the animal via the structure, one at a time, and generating an output indication of olfactory detection of target substances in the sequence of filters.

Abstract: A molecular detection apparatus according to an arrangement includes: a collection unit collecting a detection target gas containing a molecule to be detected; a detector including a detection cell that has an organic probe provided in a sensor unit, the organic probe capturing the collected molecule, and a discriminator discriminating the molecule by a detection signal generated by the molecule being captured by the organic probe of the detection cell. The detection cell has the organic probe including a dicyanovinyl structure or a coumarin structure.

Abstract: Method and apparatus are disclosed for vehicle cabin odor detection and amelioration. An example vehicle includes an array of chemical sensors, a spectrograph, and an environmental control system. The example environmental control system generates a spectrum, with the spectrograph, of chemical components of volatilomes in air inside a cabin and classifies the volatilomes based on the spectrum, measurements from the array of chemical sensors, and occupant preferences. Additionally, the environmental control system, when the volatilomes are indicative of an offensive scent, applies a mitigation strategy to affect the composition of the air in the cabin.

Abstract: A method is disclosed comprising drawing air into a robotic vapor device, exposing the drawn air to a sensor to detect one or more constituents in the drawn air, determining measurement data for the one or more constituents of the drawn air via the sensor, and engaging a filtration component in the robotic vapor device based on the measurement data.

Abstract: A method is disclosed comprising drawing air into a robotic vapor device via a pump, exposing the drawn air to a sensor, determining a concentration of one or more constituents of the drawn air via the sensor, dispensing a vapor from the robotic vapor device based on an air treatment protocol, and engaging a filtration element based on the air treatment protocol.

Abstract: In an aspect a method is disclosed comprising drawing air into a robotic vapor device, exposing the drawn air to a sensor to detect one or more constituents in the drawn air, determining first measurement data for the one or more constituents of the drawn air via the sensor, transmitting the first measurement data to a computing device via a network, receiving second measurement data from the computing device via the network, determining one or more vaporizable materials to vaporize based on the first measurement data and the second measurement data, and dispensing a vapor comprised of the one or more vaporizable materials.

Abstract: An odor discriminating apparatus includes: a measurement chamber including multiple pieces of odor sensors; a gas introducer for introducing a sample gas into the measurement chamber; concentration adjuster for diluting or condensing the sample gas before introducing the sample gas into the measurement chamber; a vector length computation unit for plotting, in a multidimensional space formed by axes corresponding to detection signals generated by each piece of odor sensors, a measurement point representing a measurement result of the sample gas and for computing a vector length of an odor vector directed from an origin of the multidimensional space to the measurement point; and a controller for feedback-controlling the concentration adjuster so that the vector length computed by the vector length computation unit reaches a predetermined target value.

Abstract: A fluidic device incorporating at least one BAW resonator structure (e.g., a biosensing device) and a fluidic passage includes one or more features that provide filtration capability. Certain embodiments include at least one group of pillars extending into the fluidic passage which are arranged between an active region of the at least one BAW resonator structure and at least one fluidic port. Individual pillars are separated from one another by inter-pillar spaces that provide redundant fluid flow paths while preventing passage of obstruction media such as particulate matter, cells, and/or bubbles. Certain embodiments provide porous material arranged in fluid communication with at least one fluidic port and configured to filter contents of fluid supplied thereto. Porous material (e.g., porous membranes) may be provided in a cover structure of a fluidic device or within a filtration cartridge.

Abstract: A method of determining olfactory perception signature of a subject is disclosed. The method comprises: providing the subject with a plurality of physical odorant samples for sniffing; for each sniffed odorant sample, presenting to the subject, by a user interface, a set of odorant descriptors and a respective set of rating controls, and receiving ratings entered by the subject using the rating controls. Each rating is indicative of a descriptiveness of a respective odorant descriptor for the odorant sample, thereby obtaining a set of descriptiveness levels for the odorant sample. The method also comprises calculating, by a computer, relations between pairs of sets of descriptiveness levels corresponding to pairs of odorant samples, to provide a vector of relations, wherein the vector represents the olfactory perception signature of the subject.

Abstract: Vapor wake detection is a highly advantageous method and system for detecting explosives and other illicit substances. With vapor wake detection, a canine and a handler are used; however, unlike other detection schemes, the canine leads the handler. After the handler positions the canine in a desired location, the canine detects scents in the air that come to the canine. When the canine detects a trained scent, the canine leads the handler to or follows behind the carrier of the item with the scent. Once the carrier is identified by the handler, the proper personnel are contacted. To implement vapor wake detection effectively, specific rigorous training is utilized.

Abstract: Systems, apparatuses and methods may provide for classifying a physical proximity event with respect to a wearable device based on one or more of a haptic input or a scent input. Additionally, the classified physical proximity event may be correlated with an augmented reality (AR) effect, wherein the AR effect may be initiated via the wearable device. In one example, the AR effect cancels a negative perceptual impact of the physical proximity event.

Abstract: In an aspect, an apparatus is disclosed comprising a processor, coupled to a network access device, wherein the processor is configured for receiving an instruction to vaporize one or more vaporizable materials from a computing device, an intake, configured to receive air from an area around the apparatus, a vaporizer component, coupled to the processor, configured for vaporizing the one or more vaporizable materials to create a vapor based on the instruction, and a vapor output, coupled to the vaporizer component, configured for expelling the vapor into the area around the apparatus.

Abstract: A method is disclosed comprising drawing air into a robotic vapor device via a pump, exposing the drawn air to a sensor, determining a concentration of one or more constituents of the drawn air via the sensor, dispensing a vapor from the robotic vapor device based on an air treatment protocol, and engaging a filtration element based on the air treatment protocol.

Abstract: A method is disclosed comprising drawing air into a robotic vapor device, exposing the drawn air to a sensor to detect one or more constituents in the drawn air, determining measurement data for the one or more constituents of the drawn air via the sensor, and engaging a filtration component in the robotic vapor device based on the measurement data.

Abstract: A method is disclosed comprising drawing air into a robotic vapor device, exposing the drawn air to a sensor to detect one or more constituents in the drawn air, determining first measurement data for the one or more constituents of the drawn air via the sensor, transmitting the first measurement data to a one or more of a plurality of vapor devices via a peer-to-peer network, receiving second measurement data from the one or more of the plurality of vapor devices via the peer-to-peer network, determining one or more vaporizable materials to vaporize based on the first measurement data and the second measurement data, and dispensing a vapor comprised of the one or more vaporizable materials.

Abstract: A portable device includes an outer housing including an inlet port and a outer slot adapted to receive a vapor sensor card; an operating circuit disposed at least partially within the outer housing; a sensor holder at least partially disposed within the outer housing. The sensor holder includes: an inner housing including a gas intake chamber in downstream fluid communication with the inlet port. The gas intake chamber has a gas outlet in fluid communication with an inner slot retaining a sensor card socket for engaging the vapor sensor card. The sensor holder further comprises an electrical heater element, a fan, and a turbulent-flow-inducing member. The vapor sensor card comprises a sensor housing and a capacitive sensor element.

Abstract: A self-contained mobile apparatus which replicates the evaluation of scents, fragrances, aromas and odors in controlled and home environments. The apparatus simulates various stages of the consumer experience and has adjustable settings for dosing, air flow, and room size. The scented compound sample is placed within a cabinet having an enclosed sample chamber which is connected to an upward facing sample tube. An air fan is mounted within the sample chamber which circulates and controls sample air flow upward to a testing station wherein the sample air flow is tested for the identification and the concentration of the scent contained therein. A return air chamber and filter are mounted below the testing station. The filtered return air is controlled downward by a return air blower to provide an exhaust out through the bottom of the apparatus.

Abstract: The present invention relates to an aroma diffusing system and aroma diffusing method thereof. This method includes establishing wireless communication connection between a mobile terminal and an aroma diffuser; receiving user input and generating a corresponding order through the mobile terminal and sending the order in a wireless mode; receiving the order through the wireless communication module of the aroma diffuser and executing the order through the electric control element of the aroma diffuser; feeding back order execution result to the mobile terminal through the wireless communication module of the aroma diffuser; receiving the order execution result through the mobile terminal and giving a corresponding prompt in the mobile terminal. The present invention may control the operation mode of the aroma diffuser and improve operation experience and use experience through a smart phone.

Abstract: Disclosed herein is a method for detecting and analyzing materials contributing to a detected odor from an air conditioner. The method includes analyzing the detected odor using a sensory evaluation of the detected odor. A first gas sample is then collected and instrumental analysis is performed to determine a plurality of contributing materials of the detected odor.

Abstract: Disclosed herein is an apparatus and method for interaction between content and an olfactory recognition device. In the method for interaction between an olfactory recognition device and a content device, the method allows the olfactory recognition device to interact with the content device. If a connection to the content device has been made to enable data communication with the content device, an open signal is transmitted to the content device. As a response to the open signal, an approval signal is received from the content device. A device information datasheet that is information about the olfactory recognition device is transmitted to the content device in response to the approval signal. An acknowledgement signal is received from the content device.

Abstract: The present invention relates to a system and method for dynamically controlling odor emission. The system comprises an odor measurement tool, a weather condition measurement tool, a processing module and a controller. The odor measurement tool is adapted to measure an odor level. The weather condition measurement tool is adapted to measure at least one weather condition. The processing module is adapted to calculate an odor emission threshold based on the measured odor level, the at least one weather condition, an atmospheric dispersion model and a predetermined remote odor level threshold. The controller is adapted to control the odor emission below the odor emission threshold.

Abstract: A self-contained mobile apparatus which replicates the evaluation of scents, fragrances, aromas and odors in controlled and home environments. The apparatus simulates various stages of the consumer experience and has adjustable settings for dosing, air flow, and room size. The scented compound sample is placed within a cabinet having an enclosed sample chamber which is connected to an upward facing sample tube. An air fan is mounted within the sample chamber which circulates and controls sample air flow upward to a testing station wherein the sample air flow is tested for the identification and the concentration of the scent contained therein. A return air chamber and filter are mounted below the testing station. The filtered return air is controlled downward by a return air blower to provide an exhaust out through the bottom of the apparatus.

Abstract: Disclosed herein is a method for identifying the compounds contributing to a pungent odor from an air conditioner, a method for artificially reproducing the pungent odor, and preparing a corresponding pungent odor composition. Through the analysis method of the present invention, the compounds contributing to the pungent odor from an air conditioner may be identified and quantified. The pungent odor may be reproduced from a combination of the compounds identified by the analysis method of the present invention. The reproduced pungent odor may provide significant data required for development of an apparatus and a method for removing specific odors.

Abstract: The present disclosure relates to methods and systems for calculating a food additive. A first method includes identifying chemical compounds of an averse food ingredient, identifying chemical compounds of a flavorful food ingredient and calculating a set of chemical compounds for the food additive such that an olfactory perception of a mixture of the averse food ingredient, the flavorful food ingredient and the food additive is the same as an olfactory perception of only the flavorful food ingredient. A first device includes a database storing information identifying chemical compounds of an averse food ingredient and identifying chemical compounds of a flavorful food ingredient, and a processor for calculating a food additive such that an olfactory perception of flavors of a mixture of the averse food ingredient, the flavorful food ingredient and the food additive is the same as an olfactory perception of only the flavorful food ingredient.

Abstract: A method that identifies the compounds contributing to a sweet odor from an air conditioner, reproduces the sweet odor, and prepares a corresponding sweet odor composition. Through the analysis method of the present invention, the compounds contributing to the sweet odor from an air conditioner are identified and quantified. The sweet odor is reproduced from a combination of the compounds identified by the analysis method of the present invention. The reproduced sweet odor provides significant data required for development of an apparatus and a method for removing specific odor.

Abstract: A method that identifies the compounds contributing to a fish-like odor from an air conditioner and artificially reproduces the fish-like odor, and prepares a corresponding fish-like odor composition. Through the analysis method of the present invention, the compounds contributing to the fish-like odor from an air conditioner are identified and quantified. The fish-like odor is reproduced from a combination of the compounds identified by the analysis method of the present invention. The reproduced fish-like odor provides significant data required for development of an apparatus and a method for removing specific odor.

Abstract: A method is provided that identifies the compounds contributing to a malodor from an air conditioner, reproduces the malodor, and prepares a corresponding malodor composition. Through the analysis method of the present invention, the compounds contributing to the malodor from an air conditioner are identified and quantified. The malodor is reproduced from a combination of the compounds identified by the analysis method of the present invention. The reproduced malodor provides significant data required for development of an apparatus and a method for removing specific odor.

Abstract: Vapor wake detection is a highly advantageous method and system for detecting explosives and other illicit substances. With vapor wake detection, a canine and a handler are used; however, unlike other detection schemes, the canine leads the handler. After the handler positions the canine in a desired location, the canine detects scents in the air that come to the canine. When the canine detects a trained scent, the canine leads the handler to or follows behind the carrier of the item with the scent. Once the carrier is identified by the handler, the proper personnel are contacted. To implement vapor wake detection effectively, specific rigorous training is utilized.

Abstract: A device is provided which includes an activity sensor, a communication portion, and a route suggesting portion. The activity sensor can detect physical activity of a user of a device. The communication portion may provide access one or more social networks via a communication network, in which the device may communicate with a social network of contacts. The route suggesting portion may provide an alternate route to travel such that the predicted odor may not offend others that are socially connected to the user and that travel the same routes as the user.