Abstract: There is provided an information processing device, an information processing method, and a program that further improve skills. A load weight control unit controls generation of a load weight that becomes a load with respect to motion when a keyboard is depressed by a pianist, and a keystroke recognition unit recognizes motion of the keyboard. Then, the load weight control unit performs control of starting generation of a predetermined load weight at a timing when the keystroke recognition unit recognizes that the keyboard started to be depressed, and ending generation of the load weight at a timing when the keystroke recognition unit recognizes that the keyboard ended to be depressed and started to return. The present technology can be applied to, for example, a performance skill improvement system that evaluates and trains pianists' force sense.

Abstract: An information processing apparatus (100) includes an estimation unit (132) that estimates time-series information regarding a posture of a finger on the basis of image information including an operation of the finger with respect to an object including a contact operation of the finger with respect to the object and the object. The estimation unit (132) estimates the time-series information regarding the posture of the finger by using a first machine learning model learned to estimate the time-series information regarding the posture of the finger on the basis of the image information including the operation of the finger and the object.

Abstract: There is provided a measurement device which is operable to measure a movable range of a finger easily in a further small size and a measurement method, and a program. The measurement device includes: a first linear motion mechanism which has a contacting part contacting a back of a hand and linearly moves along a longitudinal direction, the back of the hand serving as reference of measurement; a second linear motion mechanism which moves together with a finger targeted for the measurement and linearly moves along a longitudinal direction; and a rotation mechanism which rotatably connects one end of the first linear motion mechanism and one end of the second linear motion mechanism and has a sensor detecting a rotation amount of the second linear motion mechanism, the second linear motion mechanism rotating with respect to the first linear motion mechanism.

Abstract: An information processing apparatus (100) according to the present application includes two or more force sensors (110) that each detect a force of two or more different fingers of a user, and a processing unit (122) that executes information processing related to measurement of forces of the two or more different fingers based on detection results detected by each of the two or more force sensors (110).

Abstract: Provided is an information processing device including an acquisition unit that acquires subjective evaluation information from a second user about each performance performed by at least part of a body of a first user moving, a learning unit that performs machine learning on a relationship between the each performance and the corresponding subjective evaluation information and generates relationship information between the each performance and the corresponding subjective evaluation information, and a presentation unit that presents feedback information to the second user based on the relationship information.

Abstract: There is provided an information processing device, an information processing method and a program that provide, as feedback to a user, information based on a level of collaboration of multiple movement elements in a performance provided by collaborative or non-collaborative moves of multiple parts of a body of the user and that are usable to support mastering a performance. The information processing device includes a sensing data acquisition unit configured to acquire multiple sets of sensing data from at least one sensors configured to sense a condition of multiple movement elements in a performance that is performed because multiple parts of a body of a user move; a calculator configured to calculate collaboration information representing move collaborativeness of the movement elements from the acquired multiple sets of sensing data; and a notification unit configured to notify the user of feedback information based on the calculated collaboration information is provided.

Abstract: There is provided an information processing device, an information processing method, and a program that further improve skills. A load weight control unit controls generation of a load weight that becomes a load with respect to motion when a keyboard is depressed by a pianist, and a keystroke recognition unit recognizes motion of the keyboard. Then, the load weight control unit performs control of starting generation of a predetermined load weight at a timing when the keystroke recognition unit recognizes that the keyboard started to be depressed, and ending generation of the load weight at a timing when the keystroke recognition unit recognizes that the keyboard ended to be depressed and started to return. The present technology can be applied to, for example, a performance skill improvement system that evaluates and trains pianists' force sense.

Abstract: There is provided an information processing device, an information processing method, and a program that can provide an information processing device, an information processing method, and a program that can effectively assist in learning performance. The information processing device includes a sensing data obtaining section configured to obtain sensing data regarding at least one of a motion pattern, a motion speed, a motion accuracy, and a motion amount of a motion element of a user in a practice in performance performed by movement of at least a part of a body of the user and a state of a result produced by the performance, an analyzing section configured to analyze the obtained sensing data and estimate information regarding the practice in the performance of the user on a basis of a result of the analysis, and an output section configured to output a result of the estimation to the user.

Abstract: The present disclosure relates to an information processing apparatus that can provide an information processing apparatus capable of accurately synchronizing and handling sensing data in a mixture of forms and available for assisting in learning of a performance. The present disclosure provides the information processing apparatus including a conversion section that converts a plurality of pieces of sensing data in different forms obtained from a plurality of sensors each sensing a state related to a performance by a motion of a user, an information processing section that processes the sensing data converted by the conversion section, and an information output section that outputs feedback information to the user on the basis of a processing result of the information processing section.

Abstract: There is provided an information processing device, an information processing method and a program that provide, as feedback to a user, information based on a level of collaboration of multiple movement elements in a performance provided by collaborative or non-collaborative moves of multiple parts of a body of the user and that are usable to support mastering a performance. The information processing device includes a sensing data acquisition unit configured to acquire multiple sets of sensing data from at least one sensors configured to sense a condition of multiple movement elements in a performance that is performed because multiple parts of a body of a user move; a calculator configured to calculate collaboration information representing move collaborativeness of the movement elements from the acquired multiple sets of sensing data; and a notification unit configured to notify the user of feedback information based on the calculated collaboration information is provided.

Abstract: A fuel cell includes a membrane electrode assembly constituted of an electrolyte membrane and an electrode layer, a frame portion disposed along an outer periphery of the membrane electrode assembly, and separators that include gas flow passages to supply the membrane electrode assembly with fuel gas, wherein the membrane electrode assembly is interposed by a pair of the separators, and the separators include adhesion regions bonded to the frame portion via an adhesive, and reduced portions where distances between the separators and the frame portion are shorter than distances between the separators and the frame portion at other adhesion regions in the adhesion regions.

Abstract: In order to estimate a movement command that a central nervous system is to select to implement a desired movement based on three feature amounts under the concepts of an antagonistic muscle ratio and an antagonistic muscle sum and based on a musculoskeletal model, a movement analysis apparatus includes: a myoelectric potential measurement unit to measure a myoelectric potential of a person who performs a movement; a movement measurement unit to measure a body movement; and a stiffness-ellipse calculation unit, an equilibrium-point calculation unit and a muscle synergy calculation unit to calculate, from measurement information obtained at the measurement units, feature amounts of a stiffness ellipse, an equilibrium point, and a muscle synergy that are base vectors describing the equilibrium point at an operating point based on a musculoskeletal model.

Abstract: A fuel cell stack seal structure of a fuel cell stack, the fuel cell stack including a plurality of fuel cell single cells that are stacked, each of the fuel cell single cells including a membrane electrode assembly and a pair of separators holding the membrane electrode assembly between the pair of separators, includes inner peripheral sealing members and an outer peripheral sealing member at peripheral edges of a pair of separators, in which the inner peripheral sealing members close a gap between inner peripheral ribs that protrude at least towards a mutually facing sides of the pair of separators, and the outer peripheral sealing member that closes a gap between outer peripheral ribs that protrude at least towards the mutually facing sides of the pair of separators. The inner peripheral sealing members and the outer peripheral sealing member form a first closed space between the inner peripheral sealing members and the outer peripheral sealing member.

Abstract: A fuel cell stack is constituted by stacking fuel cells including a membrane electrode assembly constituted by sandwiching an electrolyte membrane with a pair of electrodes and a pair of separators that have flow passages through which gas to be supplied to the membrane electrode assembly flows, the pair of separators being arranged across the membrane electrode assembly. The fuel cell stack includes a welded portion where the separators adjacent to one another in a stacking direction of the fuel cell are welded. The separator in the stacking direction at the welded portion has a height lower than a height of the separator other than the welded portion.

Abstract: A fuel cell stack has stacked individual fuel cells, each of the fuel cells having a cell frame, and an anode separator and a cathode separator disposed on respective sides of the cell frame, in which an electrolyte membrane joined with an anode side gas diffusion layer and a cathode side gas diffusion layer on respective sides thereof is disposed in the cell frame, an anode side load bearing member that bonds and fixes the anode separator, the cell frame, and the gas diffusion layer to each other, so as to receive a compressive load acting in a stacking direction of the fuel cell, and a cathode side load bearing member that bonds and fixes the cathode separator, the cell frame, and the gas diffusion layer to each other so as to receive a compressive load acting in the stacking direction of the fuel cell.

Abstract: A fuel battery cell has a membrane electrode assembly, a frame, a pair of separators, and support members. The membrane electrode assembly is formed with an anode and a cathode bonded so as to face an electrolyte membrane. The frame holds the periphery of the membrane electrode assembly. The pair of separators sandwich the frame holding the membrane electrode assembly. The support members protrude along an edge part of the frame so as to pass beyond the frame and support the membrane electrode assembly.

Abstract: A fuel cell electrode structure includes a membrane electrode assembly including an electrolyte membrane between a pair or electrodes, and a frame being integrally formed with the membrane electrode assembly supporting the membrane electrode assembly from the peripheral side. The membrane electrode assembly includes a gas diffusion layer on the surface, and a sealing member for sealing the periphery of the membrane electrode assembly is provided on the frame. The sealing member includes a lip portion, and at least partly includes extended portion that extends to the membrane electrode assembly. The extended portion is thinner than the lip portion of the sealing member, and the end face of the extended portion is in contact with the end face of the gas diffusion layer.

Abstract: The invention provides a fuel cell (A1) in which a frame body (20) provided with a membrane electrode assembly (30) is sandwiched between a pair of separators (40, 41), and multiple projections (21) are arranged at given intervals on each of two surface sides of the frame body (20). Thus, a gas flow path (S1) for a hydrogen-containing gas is defined and formed on one surface side of the frame body (20) and a gas flow path (S2) for an oxygen-containing gas is defined and formed on the other surface side of the frame body (20). The projections (21) on the one surface side of the frame body (20) and the projections (21) on the other surface side of the frame body (20) are arranged asymmetrically with respect to the frame body (20) in a stacking direction (?) of the fuel cell.

Abstract: A fuel cell stack seal structure of a fuel cell stack, the fuel cell stack including a plurality of fuel cell single cells that are stacked, each of the fuel cell single cells including a membrane electrode assembly and a pair of separators holding the membrane electrode assembly between the pair of separators, includes inner peripheral sealing members and an outer peripheral sealing member at peripheral edges of a pair of separators, in which the inner peripheral sealing members close a gap between inner peripheral ribs that protrude at least towards a mutually facing sides of the pair of separators, and the outer peripheral sealing member that closes a gap between outer peripheral ribs that protrude at least towards the mutually facing sides of the pair of separators. The inner peripheral sealing members and the outer peripheral sealing member form a first closed space between the inner peripheral sealing members and the outer peripheral sealing member.

Abstract: A fuel cell metal separator structure includes a first separator in contact with a first membrane electrode assembly and a second separator in contact with a second membrane electrode assembly. In the stacking direction of the first separator and the second separator and the membrane electrode assemblies, in an reaction area formed between the two membrane electrode assemblies, an electrically conductive member is put between the first separator and the second separator, and in the sealing portion on a periphery of the membrane electrode assembly, the first separator and second separator are in direct contact with each other so that a space for sealing is expanded due to the increased depth of the sealing grooves.