Abstract: A power storage system includes a battery including a first power storage unit, a second power storage unit, and a first switch unit, a three-phase motor in which coils of three phases are connected at a neutral point, the three-phase motor being driven by electric power supplied from the battery, an inverter connected on an electric power transmission path between the battery and the three-phase motor, and a DC power supply circuit connected to a connection portion located on an electric power transmission path between the inverter and the battery. The DC power supply circuit includes a branch circuit connected to the neutral point on a positive electrode side.

Abstract: A power storage system includes a first battery, a three-phase motor, an inverter, a DC power supply circuit, a branch circuit, a capacitor, a pre-charge circuit located on the electric power transmission path between the inverter and the first battery and connected between the inverter and the connection portion of the DC power supply circuit, a converter connected to the pre-charge circuit, and a second battery connected to the converter and having a voltage lower than the first voltage and the second voltage.

Abstract: A solar power generation control device, controlling a solar power generation system configured to charge a power storage device of a vehicle with electric power generated by a solar cell provided in the vehicle, includes: a determination unit configured to determine whether irradiation light to the vehicle is sunlight based on an output of an optical sensor; and a control unit configured to control an operation mode of the solar power generation system, including a first mode, in which the power storage device is charged with electric power generated by the solar cell, and a second mode, in which power consumption of the solar power generation system is lower than in the first mode, based on a determination result of the determination unit. The control unit sets the solar power generation system to the first mode when the determination unit determines that the irradiation light is sunlight.

Abstract: A charging device that charges a battery mounted in a vehicle, the battery having cells connected in series, the cells being configured as cell units each including at least one of the cells, the charging device includes a solar battery and a charging circuit configured to selectively supply electric power generated by the solar battery to each of the cell units. The charging circuit includes electric power adjustment units provided between the solar battery and the cell units, and each of the electric power adjustment units is associated with one or more cell units of the cell units. Each of the electric power adjustment units adjusts electric power generated by the solar battery and supplies the adjusted electric power to the associated cell units.

Abstract: A solar power generation control device, controlling a solar power generation system configured to charge a power storage device of a vehicle with electric power generated by a solar cell provided in the vehicle, includes: a determination unit configured to determine whether irradiation light to the vehicle is sunlight based on an output of an optical sensor; and a control unit configured to control an operation mode of the solar power generation system, including a first mode, in which the power storage device is charged with electric power generated by the solar cell, and a second mode, in which power consumption of the solar power generation system is lower than in the first mode, based on a determination result of the determination unit. The control unit sets the solar power generation system to the first mode when the determination unit determines that the irradiation light is sunlight.

Abstract: A charging device that charges a battery having cells connected in series and configured as cell units, the charging device includes a solar battery, and a charging circuit configured to selectively supply electric power generated by the solar battery to each of the cell units. The charging circuit includes a first electric power adjustment unit configured to adjust electric power generated by the solar battery into first electric power, and output the first electric power, a second electric power adjustment unit configured to adjust the first electric power into second electric power, and supply the second electric power to each of the cell units, and a power storage unit provided between the first electric power adjustment unit and the second electric power adjustment unit and configured to store the first electric power output by the first electric power adjustment unit.

Abstract: The present invention provides a lead-free cationic electrodeposition coating composition which contains an aqueous medium, a binder resin composed of a cationic epoxy resin and a blocked isocyanate curing agent dispersed or dissolved in the aqueous medium, a neutralizing acid in order to neutralize the cationic epoxy resin, an organic solvent, and a metal catalyst, wherein the electrodeposition coating composition has a volatile organic content of 1% by weight or less, a metal ion content of 500 ppm or less, a neutralizing acid amount of 10 to 30 mg equivalent based on 100 g of binder resin solid content. The lead-free cationic electrodeposition coating composition has high throwing power, and exert a little influence on the environment due to its low VOC, low metal ion content, and reduced consumption of a coating composition itself.

Abstract: The present invention provides a lead-free cationic electrodeposition coating composition which contains an aqueous medium, a binder resin composed of a cationic epoxy resin and a blocked isocyanate curing agent dispersed or dissolved in the aqueous medium, a neutralizing acid in order to neutralize the cationic epoxy resin, an organic solvent, and a metal catalyst, wherein the electrodeposition coating composition has a volatile organic content of 1% by weight or less, a metal ion content of 500 ppm or less, a neutralizing acid amount of 10 to 30 mg equivalent based on 100 g of binder resin solid content. The lead-free cationic electrodeposition coating composition has high throwing power, and exert a little influence on the environment due to its low VOC, low metal ion content, and reduced consumption of a coating composition itself.

Abstract: A natural frequency and a calculated mode vector are calculated by using a finite-element method models for analysis which include an object of analysis including a plurality of components and a plurality of elements which are positioned between the components of the object of analysis and indicate a boundary condition between the components, the calculated mode vector having high degree of correlation for an experimental mode vector is extracted and set to a pair, and identifying the boundary condition of the elements based on the extracted calculated mode vector and the natural frequency corresponding to the extracted calculated mode vector.

Abstract: A method of supporting a user in mechanically analyzing a performance of an object, including the steps of: graphically displaying a generalized model which is constructed as a numerical analysis model for the object such that the generalized model has been generalized with respect to at least configuration of the object, and has been specialized with respect to a function of the object; displaying an item for letting the user enter data in order to define a specialized model which is constructed as a numerical analysis model for the object by specializing the displayed generalized model with respect to the at least configuration thereof; and mechanically analyzing the performance of the object, on the basis of the specialized model defined, a numerical analysis approach predetermined in correspondence with the function of the object, and a numerical analysis condition.

Abstract: It is an object of the present invention to provide a method of forming a cationic electrodeposition film, which has no detrimental effect on basic performances of electrodeposition that a curing property in low temperature and the stability of pigment dispersion are good and basic performances such as corrosion resistance and a rust-preventive property are maintained while maintaining both surface smoothness and economical advantage and exhibits the extremely precise throwing power and can attain an excellent ability of preventing a pinhole due to gas.

Abstract: To provide a method for forming an electrodeposited coating excellent in finish-appearance and capable of a higher film resistance value. A method for forming an electrodeposited coating including a step of electrodeosition-coating a cationic electrodeposition coating composition on an object to be coated, wherein a film viscosity of an electrodeposited coating obtained from the cationic electrodeposition coating composition is in the range of 3000 to 5000 Pa·s at 50° C.

Abstract: With the use of a lead-free cationic electrodeposition coating composition containing a sulfonium-modified epoxy resin, an amine-modified novolak-type epoxy resin, and a blocked isocyanate curing agent as a binder resin, wherein the content of volatile organic components is 1% by weight or less, the coating liquid conductivity is 1000 to 2500 ?S/cm, and the minimum film-forming temperature of the coated layer electrodeposited on an object to be coated is 20 to 35° C., electrodeposition coating is carried out at or above the temperature which is lower by 2° C. than the minimum film-forming temperature and at or below the temperature which is higher by 6° C. than the minimum film-forming temperature.

Abstract: Disclosed is a three coat one bake coating process for forming an intermediate coated film, a base coated film and a clear coated film on an electrodeposition coated film. The electrodeposition coating composition is a lead-free cationic electrodeposition coating composition which has a volatile organic content of 1% by weight or less, a metal ion content of 500 ppm or less, a neutralizing acid amount of 10 to 30 mg equivalent based on 100 g of binder resin solid content. The intermediate coating composition and/or the base coated composition comprises a specific amount of a nonaqueous dispersion resin as a resin component. In the coating process, a baking step is omitted from the conventional intermediate coating process, or from the conventional base coating process.

Abstract: An optical device has a light-transmitting optical substrate formed with a multilayer film and a barrier layer disposed on the multilayer film side thereof. The light-transmitting optical substrate has a refractive index Ns (at a reference wavelength of 632.8 nm) falling within the range of 1.7≦Ns≦1.9, whereas the barrier layer has a refractive index Nb (at a reference wavelength of 632.8 nm) falling within the range of −0.1≦Nb−Ns≦0.1.

Abstract: A natural frequency and a calculated mode vector are calculated by using a finite-element method models for analysis which include an object of analysis including a plurality of components and a plurality of elements which are positioned between the components of the object of analysis and indicate a boundary condition between the components, the calculated mode vector having high degree of correlation for an experimental mode vector is extracted and set to a pair, and identifying the boundary condition of the elements based on the extracted calculated mode vector and the natural frequency corresponding to the extracted calculated mode vector.

Abstract: With the use of a lead-free cationic electrodeposition coating composition containing a sulfonium-modified epoxy resin, an amine-modified novolak-type epoxy resin, and a blocked isocyanate curing agent as a binder resin, wherein the content of volatile organic components is 1% by weight or less, the coating liquid conductivity is 1000 to 2500 &mgr;S/cm, and the minimum film-forming temperature of the coated layer electrodeposited on an object to be coated is 20 to 35° C., electrodeposition coating is carried out at or above the temperature which is lower by 2° C. than the minimum film-forming temperature and at or below the temperature which is higher by 6° C. than the minimum film-forming temperature.

Abstract: An optical device comprises a light-transmitting optical substrate formed with a multilayer film and a barrier layer disposed on the multilayer film side thereof. The light-transmitting optical substrate has a refractive index Ns (at a reference wavelength of 632.8 nm) falling within the range of 1.7≦Ns≦1.9, whereas the barrier layer has a refractive index Nb (at a reference wavelength of 632.8 nm) falling within the range of −0.1≦Nb−Ns≦0.1.

Abstract: The present invention provides a lead-free cationic electrodeposition coating composition which contains an aqueous medium, a binder resin composed of a cationic epoxy resin and a blocked isocyanate curing agent dispersed or dissolved in the aqueous medium, a neutralizing acid in order to neutralize the cationic epoxy resin, an organic solvent, and a metal catalyst, wherein the electrodeposition coating composition has a volatile organic content of 1% by weight or less, a metal ion content of 500 ppm or less, a neutralizing acid amount of 10 to 30 mg equivalent based on 100 g of binder resin solid content. The lead-free cationic electrodeposition coating composition has high throwing power, and exert a little influence on the environment due to its low VOC, low metal ion content, and reduced consumption of a coating composition itself.

Abstract: Disclosed is a 3 coat 1 bake coating process for forming an intermediate coated film, a base coated film and a clear coated film on an electrodeopsition coated film, wherein the electrodeposition coating composition is a lead-free cationic electrodeposition coating composition which has a volatile organic content of 1% by weight or less, a metal ion content of 500 ppm or less, a neutralizing acid amount of 10 to 30 mg equivalent based on 100 g of binder resin solid content, and the intermediate coating composition and/or the base coated composition comprises a specific amount of a nonaqueous dispersion resin as a resin component. In the coating process, a baking step is omitted from the conventional intermediate coating process, or from the conventional base coating process, nevertheless comparable appearance with that produced by the conventional 3 coat 3 bake coating process is produced.