Abstract: A dependence relation database (332) stores dependence relation information (33) wherein a dependence relation between each constituting apparatus among a plurality of constituting apparatuses, and an importance degree to represent intensity of the dependence relation are set, with a vehicle formation (10) being a vertex. An apparatus evaluation unit (302) calculates a soundness estimation value to represent soundness of a terminal constituting apparatus that does not have a constituting apparatus whereon the own constituting apparatus depends among the plurality of constituting apparatuses.

Abstract: A device analysis apparatus includes: an operation data storage unit storing operation data indicating an operation state of a device; a feature quantity data generation unit generating feature quantity data of the device by using the operation data; a feature quantity data storage unit storing the feature quantity data; a first computation unit generating first data indicating behavior of the feature quantity data in units of a set term by using the feature quantity data stored in the feature quantity data storage unit; a second computation unit generating second data indicating behavior of latest feature quantity data by using one or more pieces of the latest feature quantity data newer than the feature quantity data used in generating the first data, among the feature quantity data stored in the feature quantity data storage unit; and a display unit displaying the first data and the second data in one graph.

Abstract: A deviation inclination calculation unit (22) calculates a deviation score by using evaluation data obtained from a subject apparatus as an input, in each of a plurality of outlier detection methods specifying data deviated from other data from among subject data, and calculating deviation scores indicating deviation degrees of the data specified, and calculates deviation inclination information from the deviation scores calculated. An abnormality detection unit (23) calculates, for each abnormality pattern, a similarity degree between deviation sensitivity information indicating sensitivity for each of a plurality of abnormality patterns with respect to each of the plurality of outlier detection methods, and the deviation inclination information calculated, and detects an abnormality of the subject apparatus.

Abstract: A fuel efficiency estimation system includes: a velocity profile calculation unit to calculate a velocity profile indicating a change in velocity of a motor vehicle traveling a traveling route; a velocity disturbance calculation unit to calculate, based on disturbance information indicating a disturbance event occurring on the traveling route and traveling history information collected from the motor vehicle traveling the traveling route, an attenuation factor, which is a ratio of attenuation of the velocity of the motor vehicle traveling the traveling route, as a velocity disturbance correction coefficient; and a fuel efficiency calculation unit to calculate fuel efficiency of the motor vehicle traveling the traveling route by using the velocity profile and the velocity disturbance correction coefficient.

Abstract: A fuel efficiency estimation system includes a traveling velocity calculation unit (233) to store a link traveling velocity (331) for each link as a road section configuring a road in a traveling velocity DB (252) and a traveling velocity extraction unit (243) to extract, based on a traveling route (411), a link traveling velocity (331) on a link included in the traveling route (411) from the traveling velocity DB (252). The fuel efficiency estimation system also includes a velocity profile generation unit (244) to generate a velocity profile (441) indicating a change in velocity of a motor vehicle traveling the traveling route (411) by using the link traveling velocity (331) and an estimated fuel efficiency calculation unit (246) to calculate fuel efficiency of the motor vehicle traveling the traveling route (411) based on the velocity profile (441).

Abstract: A deviation inclination calculation unit (22) calculates a deviation score by using evaluation data obtained from a subject apparatus as an input, in each of a plurality of outlier detection methods specifying data deviated from other data from among subject data, and calculating deviation scores indicating deviation degrees of the data specified, and calculates deviation inclination information from the deviation scores calculated. An abnormality detection unit (23) calculates, for each abnormality pattern, a similarity degree between deviation sensitivity information indicating sensitivity for each of a plurality of abnormality patterns with respect to each of the plurality of outlier detection methods, and the deviation inclination information calculated, and detects an abnormality of the subject apparatus.

Abstract: A fuel efficiency estimation system includes: a velocity profile calculation unit (24) to calculate a velocity profile (451) indicating a change in velocity of a motor vehicle traveling a traveling route (411); a velocity disturbance calculation unit (232) to calculate, based on disturbance information indicating a disturbance event occurring on the traveling route (411) and traveling history information (111) collected from the motor vehicle traveling the traveling route (411), an attenuation factor, which is a ratio of attenuation of the velocity of the motor vehicle traveling the traveling route (411), as a velocity disturbance correction coefficient (321); and a fuel efficiency calculation unit (263) to calculate fuel efficiency of the motor vehicle traveling the traveling route (411) by using the velocity profile and the velocity disturbance correction coefficient (321).

Abstract: A fuel efficiency estimation system includes a traveling velocity calculation unit (233) to store a link traveling velocity (331) for each link as a road section configuring a road in a traveling velocity DB (252) and a traveling velocity extraction unit (243) to extract, based on a traveling route (411), a link traveling velocity (331) on a link included in the traveling route (411) from the traveling velocity DB (252). The fuel efficiency estimation system also includes a velocity profile generation unit (244) to generate a velocity profile (441) indicating a change in velocity of a motor vehicle traveling the traveling route (411) by using the link traveling velocity (331) and an estimated fuel efficiency calculation unit (246) to calculate fuel efficiency of the motor vehicle traveling the traveling route (411) based on the velocity profile (441).

Abstract: A fuel efficiency estimation system includes a velocity profile generation unit (245) to generate a velocity profile indicating a change in velocity of a motor vehicle traveling a traveling route. Also, the fuel efficiency estimation system includes a stop judgment unit (244) to judge, based on a stop probability (331) at which the motor vehicle stops at an intersection that is present on the traveling route and connection information (321) between a traffic signal installed at the intersection and a traffic signal installed at an intersection adjacent to the intersection, stop/nonstop of the motor vehicle at the intersection. Furthermore, the fuel efficiency estimation system includes a velocity correction unit (246) to correct the velocity profile (441) based on the stop/nonstop and a fuel efficiency calculation unit (247) to calculate fuel efficiency of the motor vehicle traveling the traveling route based on the corrected velocity profile (451).

Abstract: Provided are a developing roller having an elastic layer formed on an outer circumferential face of a shaft and a coating layer formed on an outer circumferential face of the elastic layer, wherein the coating layer is composed of first coating layers that are formed at respective edges across the elastic layer, and a second coating layer formed between the first coating layers, and wherein the first coating layers contain a resin obtained through a reaction of a polyol with a silane-coupling agent, fluororesin particles, and an electric conductivity agent; and the second coating layer contains a urethane resin, an ionic liquid, an electric conductivity agent, and filler particles; and a development apparatus and an image-forming device having the developing roller. The provided are capable of keeping the image quality high and of arresting leakage of the toner satisfactorily.

Abstract: This invention provides an electrically conductive roller capable of forming an image without fogging even in a low humidity environment and an image-forming device. Specifically, the invention relates to an electrically conductive roller has an elastic layer formed on an outer circumferential surface of a shaft and a urethane coat layer formed on an outer circumferential surface of the elastic layer, wherein the urethane coat layer includes a urethane resin, and at least one ionic liquid selected from the group consisting of pyridinium ionic liquids and amine ionic liquids, in an amount from 1 to 20 parts by mass to 100 parts by mass of the urethane resin; and an image-forming device equipped with the electrically conductive roller.

Abstract: Provided are a developing roller having an elastic layer formed on an outer circumferential face of a shaft and a coating layer formed on an outer circumferential face of the elastic layer, wherein the coating layer is composed of first coating layers that are formed at respective edges across the elastic layer, and a second coating layer formed between the first coating layers, and wherein the first coating layers contain a resin obtained through a reaction of a polyol with a silane-coupling agent, fluororesin particles, and an electric conductivity agent; and the second coating layer contains a urethane resin, an ionic liquid, an electric conductivity agent, and filler particles; and a development apparatus and an image-forming device having the developing roller. The provided are capable of keeping the image quality high and of arresting leakage of the toner satisfactorily.

Abstract: This invention provides an electrically conductive roller capable of forming an image without fogging even in a low humidity environment and an image-forming device. Specifically, the invention relates to an electrically conductive roller has an elastic layer formed on an outer circumferential surface of a shaft and a urethane coat layer formed on an outer circumferential surface of the elastic layer, wherein the urethane coat layer includes a urethane resin, and at least one ionic liquid selected from the group consisting of pyridinium ionic liquids and amine ionic liquids, in an amount from 1 to 20 parts by mass to 100 parts by mass of the urethane resin; and an image-forming device equipped with the electrically conductive roller.

Abstract: In an image forming method including a charging step, an exposure step, a development step using a developing roll, a transfer step, a fixing step and a cleaning step of removing a toner remaining on the surface of a photosensitive member after the transfer step, the developing roll has a surface brightness of 30 to 220 and a surface roughness Rz of 1 to 20 ?m, the cleaning blade is a cleaning blade made of a polyurethane elastomer and having a peak value of at most 0.95, a peak temperature of ?15 to 10° C. and a width at half maximum of at least 25° C. in viscoelasticity tan ?, the toner has a volume average particle diameter of 4 to 10 ?m and an average circularity from 0.950 to 0.995, the charge level of the toner on the surface of the photosensitive member is 10 to 80 ?C/g in terms of an absolute value, and the pH of a water extract of the toner is 3 to 8.

Abstract: In an image forming method including a charging step, an exposure step, a development step using a developing roll, a transfer step, a fixing step and a cleaning step of removing a toner remaining on the surface of a photosensitive member after the transfer step, the developing roll has a surface brightness of 30 to 220 and a surface roughness Rz of 1 to 20 ?m, the cleaning blade is a cleaning blade made of a polyurethane elastomer and having a peak value of at most 0.95, a peak temperature of ?15 to 10° C. and a width at half maximum of at least 25° C. in viscoelasticity tan ?, the toner has a volume average particle diameter of 4 to 10 ?m and an average circularity from 0.950 to 0.995, the charge level of the toner on the surface of the photosensitive member is 10 to 80 ?C/g in terms of an absolute value, and the pH of a water extract of the toner is 3 to 8.