Abstract: A reaction analysis system includes a first flow path through which a reaction fluid, obtained by mixing reactants in a mixer, flows, a second flow path through which the reaction fluid flows and that has higher heat exchange efficiency than the first flow path, a temperature measurer that measures a temperature distribution of the reaction fluid along the first flow path, and a reaction analysis device that specifies a reaction state of the reaction fluid based on a reaction parameter. The reaction parameter is obtained from the measured temperature distribution and indicates the reaction state of the reaction fluid.

Abstract: A spectroscopic analysis device includes a detector and a processor. The detector detects measurement light obtained by irradiating, with irradiation light, a sample that contains a contained substance disposed on a film on which surface plasmons are generated. The measurement light includes information on an optical spectrum of the sample, and the information includes a resonance spectrum of the surface plasmons and an absorption spectrum of the sample. The processor calculates: a peak wavelength in a wavelength band in which the resonance spectrum and the absorption spectrum are generated; a peak absorbance of the contained substance based on an absorption band of the contained substance; and a ratio of the contained substance to the sample based on the peak wavelength and the peak absorbance.

Abstract: A resonant pressure sensor with improved linearity includes: a substrate including a substrate-separated portion separated from a housing-fixed portion; a first resonator that: is disposed in the substrate-separated portion; and detects a change of a first resonance frequency based on a strain in the substrate caused by static pressure applied by a pressure-receiving fluid; a second resonator that: is disposed in the substrate; detects a change of a second resonance frequency based on the strain in the substrate; and has a pressure sensitivity of the second resonance frequency; and a processor that: measures the static pressure based on the detected change of the first resonance frequency; and corrects the static pressure according to internal temperature of the pressure sensor based on a difference between the second resonance frequency and the first resonance frequency.

Abstract: The invention enables automated revision comparison of engineering data within a process control system. In various embodiments, the invention achieves this by (i) receiving user input defining a set of data retrieval parameters that identify change-set data for an engineering data file, (ii) retrieving from among change-sets retrieved based on the data retrieval parameters, a first change-set and a second change-set, (iii) retrieving from an engineering database, first and second revisions of the engineering data file corresponding to the first change-set and the second change-set (iv) comparing the retrieved first and second revisions, and (v) displaying a deviation report that is generated based on the identified deviations between the first and second revisions.

Abstract: A field device includes: a casing portion that has an amplifier shield chamber into which an analog signal transfer portion transferring an analog signal output from a detector is able to be inserted; a signal conversion portion that is disposed inside the amplifier shield chamber, the signal conversion portion being configured to convert the analog signal into a digital signal; and a first connector that is disposed inside the amplifier shield chamber, the first connector being configured to connect the analog signal transfer portion and the signal conversion portion to each other in an attachable/detachable manner.

Abstract: An alarm management apparatus detects a state transition of a plant based on output information that includes at least an alarm that is output from the plant or an instruction from a user, and changes, in a case where the state transition is detected, first definition information that is definition information on behavior of the alarm during monitoring to second definition information that is the definition information that corresponds to a state of the plant after a transition.

Abstract: An information processing apparatus includes: a controller that: acquires channel measurement data for each of one or more channels that is a measurement target, and calculates, for each of the one or more channels, an error-contribution ratio based on a score determined for each of parameters extracted from the channel measurement data acquired for each of the one or more channels, the error-contribution ratio indicating a degree by which each of the one or more channels contributes an error, and the score being determined based on a difference between each of the parameters and a classification boundary used by a machine learning model that classifies the parameters into one of an error class and a normal class.

Abstract: An oxygen concentration meter includes a zirconia sensor, a resistor, a constant-current circuit, a resistance detection section, and an oxygen concentration detection section. The resistor is connected in parallel to the zirconia sensor. The constant-current circuit is connected in parallel to the zirconia sensor and the resistor, and supplies an electric current. The resistance detection section detects the resistance of the zirconia sensor on the basis of the voltage of the zirconia sensor in accordance with the supplied electric current. The oxygen concentration detection section detects the oxygen concentration of gas to be measured that is supplied to the zirconia sensor, on the basis of the voltage of the zirconia sensor resulting from an oxygen concentration difference between the gas to be measured and reference gas.

Abstract: Methods, systems, and devices for equipment monitoring and fault prediction are described, including: receiving measurement data associated with a set of equipment; providing at least a portion of the measurement data to a machine learning network; receiving an output from the machine learning network in response to the machine learning network processing at least the portion of the measurement data; and outputting a notification based on the output from the machine learning network, the notification including an indication of the predicted status. The processing of at least the portion of the measurement data may be based on a predictive model associated with the set of equipment. The output from the machine learning network may include a predicted status of the set of equipment.

Abstract: A wastewater treatment method includes: a soft water treatment 1 of crystallizing calcium carbonate from wastewater to remove the calcium carbonate therefrom; and an electrolysis 2 of electrolyzing some of the wastewater from which the calcium carbonate has been removed to obtain an acidic aqueous solution and an alkaline aqueous solution, wherein at least some of the alkaline aqueous solution is circulated to be used in the soft water treatment 1.

Abstract: An abnormal temperature detection device includes a temperature acquirer configured to acquire temperature data, a preprocessor configured to perform preprocessing for calculating difference data indicating a difference sequence in the temperature data, generating substituted data in which either of a piece of difference data which is a positive number or a piece of difference data which is a negative number is substituted with zero, and calculating a similarity between the substituted data and reference data obtained from training data in which normality or abnormality has been identified, a learner configured to perform machine learning on the similarity calculated by the preprocessor and output an identification function, and a determiner configured to determine whether temperature data for detection acquired by the temperature acquirer and subjected to the preprocessing by the preprocessor is normal or abnormal by using the identification function.

Abstract: An analysis system includes: a storage that obtains resolutions of a column for separating a component in a sample gas and stores each of the resolutions in association with a specific time; and a processor that predicts a state of the column based on resolution data indicating the restored resolutions.

Abstract: An information processing apparatus includes: a processor that: acquires, from a device for an operation of a plant, data that is related to the operation of the plant and to which one of pieces of attribute information indicating a state of the device has been assigned; classifies the acquired data into one of the pieces of attribute information based on the attribute information assigned to the acquired data; and operates the plant by using the data classified into one of the pieces of attribute information.

Abstract: A measurement apparatus (10) includes a generator (121) that irradiates electromagnetic waves on a measurement target (M) including a substance that undergoes a structural transition from a first substance with an unstable structure to a second substance with a stable structure due to entry of a foreign substance, a receiver (122) that receives the electromagnetic waves including information on a spectroscopic spectrum of the measurement target (M), and a controller (116) that acquires the measured spectroscopic spectrum based on the electromagnetic waves received by the receiver (122), calculates ratio information between the first substance and the second substance based on the acquired measured spectroscopic spectrum, and generates diagnostic information regarding entry of the foreign substance based on the ratio information.

Abstract: A hand grip mechanism includes a first member, a second member connected to the first member in a vertically moveable manner, a spring providing a biasing force to lower the second member with respect to the first member, and a hand grip configured by two grip links, each including a grip rotatably connected to the first member, a link rotatably connected to the second member below a connecting portion between the first member and the grip, and first and second connecting shafts each connecting the grip and the link below a connecting portion between the second member and the link. By a pressing operation to squeeze the hand grip against the biasing force of the spring, the grip and link in each grip link rotate relative to each other about the first connecting shaft during initial movement and about the second connecting shaft during final movement.

Abstract: A microorganism contamination countermeasure selection device includes a gene information acquirer configured to acquire gene information indicating information on genes of microorganisms contained in a sample, an index determiner configured to determine at least one of microorganism indexes corresponding to the gene information acquired by the gene information acquirer based on the gene information acquired by the gene information acquirer and a microorganism index table in which a microorganism index based on features of the microorganisms is associated with at least one of the gene information, and a contamination countermeasure selector configured to select at least one of contamination countermeasures corresponding to the microorganism index determined by the index determiner based on the microorganism index determined by the index determiner and a contamination countermeasure table in which a contamination countermeasure against contamination by the microorganisms is associated with at least one of the

Abstract: A first information processing apparatus (10) according to the present disclosure includes a control communication unit configured to transmit and receive control communication information according to a control communication protocol, and an adaptor configured to generate first control communication information of a first communication method for one-to-many communication from among the control communication information required for control communication based on the control communication protocol, the adaptor generating the first control communication information with use of information acquired along a path different from a communication path of the control communication on a network in a cloud, and to output the first control communication information to the control communication unit.

Abstract: An information processing device keeps a plurality of sets of designing information each on a combination of a plurality of plant devices that execute an operation a plant and at least one control device that executes control on each of the plant devices, keeps operational past records with respect to each combination of a plurality of plant devices and a control device, extracts combinations of a plurality of plant devices and a control device that meet a designing condition on the plant based on the designing information, and outputs the extracted combinations of a plurality of plant devices and a control device based on the operational past records.

Abstract: An information processing apparatus includes: a processor that: acquires, from a device for an operation of a plant, data related to the operation of the plant; assigns attribute information indicating a state of the device to the acquired data; and operates the plant by using the data to which the attribute information is assigned.

Abstract: A fault diagnosis apparatus for diagnosing a fault in a field device in a facility, includes: a processor that: acquires, from the field device, an alarm or a current output that represents abnormality in the field device; upon detecting first fault cause information corresponding to the alarm or to the current output in fault diagnosis information, specifies the first fault cause information as a cause of the fault in the field device; and notifies a user of the specified first fault cause information.