Hitachi, Ltd.

Casio Computer Co., Ltd.

National Institute for Materials Science

Hitachi Microcomputer Engineering, Ltd.

Hitachi Service Eng., Co. Ltd.

Takashi Watanabe

Kenichi Hattori

Akitomi Semba

Yasuomi Yagi

Atsushi Ishihara

Hideaki Mori

Tadashi Sonobe

Susumu Yamazaki

Junji Sato

Masayuki Fujio

Hiroshi Asabuki

Shinsaku Hakuta

Eiji Tsuji

Kazumasa Ide

Kazuo Kobayashi

Ryoichi Shiobara

Takashi Shibata

Kengo Hasegawa

Eiichi Ito

Hiromoto Ashihara

Fumiaki Ishida

Hajime Fujita

Yukio Chihara

Kanzi Mizutani

Yuichi Nakatsuhama

Yukio Makuta

Kazuo Yanagiya

Tomoya Tamura

Kazuhiko Takahashi

Akiyoshi Komura

Manabu Suzuki

Mitsuru Saeki

Yoriko Kazama

Kengo Iwashige

Tadaaki Kakimoto

Keiji Kobashi

Toshihiro Kujirai

Seijiro Muramatsu

Shiori Inoue

Masao Ohi

Masayuki Yamamoto

Koji Tanaka

Shinichi Kojima

Yuichi Taguchi

Kenichi Nakamura

Wataru Yamada

Akira Uragami

Masaharu Murakami

Ryutaro Horita

Kiyoshi Narato

Kenichi Hase

Makoto Hemmi

Junya Kaneda

Kenichi Miki

Tooru Inada

Akihito Nakahara

Keizou Ohtsuka

Fumio Fujisawa

Naoko Ichikawa

Masayoshi Tanazawa

Shyoichi Miyazawa

Takahiko Sano

Kouki Shiohata

Takeshi Horiuchi

Yoshio Takikawa

Masaru Shoji

Kazuhiro Kimura

Kenzo Tabata

Tatsuro Ishizuka

Mitsunobu Yatabe

Satoshi Oouchi

Yasuto Kondoh

Satoshi Fujio

Ryuji Nagahori

Reiko Kubo

Masahiro Kameda

Yasumasa Ishibashi

Kanenori Ochiai

Masaki Yokohama

Junichi Kinugawa

Hiromichi Hongo

Masayoshi Yamazaki

Yasuomi Yaji

Masayuki Furuyama

Yoshinori Yoshino

An optimal path search system, which optimizes a travel path of a moving object, comprising: a path information database; and a path search unit that searches for an optimal path that exhibits a minimum travel cost borne by the moving object, from among travel paths of the moving object, wherein: the path search unit is configured to: determine destination points on the path network; search for at least one nearest node to each of destination points, search for a second travel path along which the moving object travels by passing through the at least one nearest node and all of the at least one destination point, determine the second travel path for which a travel cost is minimum; and search for the travel paths followed by using each of a plurality of moving means, respectively, in a case where the moving object travels along the optimal path.

Optimal path search system and optimal path search method

Provided is a route generation device capable of generating an appropriate route. A route generation system of one embodiment of the present invention includes: analysis sections that analyze aerial image data to identify the land state of an area included in an aerial image; a storage section that stores traffic cost information associating a traffic-cost coefficient indicating traffic difficulty with the land state; a route searching section that calculates traffic costs of a plurality of routes from a start point to an end point by referring to the analysis results of the analysis sections and the traffic cost information and that determines a route candidate to be used from the start point to the end point based on the calculation results.

Route generation system, route generation method, and program

An electrical rotating machine including a stator core is provided. The stator core is formed of substantially sector-shaped sheet segments die-cut from electrical steel sheets and arranged in a circumferential direction of the stator core to form circular sheets which are stacked in an axial direction of the stator core. In the electrical rotating machine, end regions of the stator core are formed of stacked sheet segments die-cut from non-grain oriented steel sheets, and the other region of the stator core is formed of stacked sheet segments die-cut from grain oriented steel sheets.

Electrical rotating machine with local heat reduction

A storage control apparatus includes a first logical volume in which data has been stored in a pool that includes at least one of one or a plurality of logical volumes based on a plurality of physical storage devices as a pool volume, and divides the first logical volume into at least two real areas. The storage control apparatus allocates the first logical volume to a second logical volume that is a virtual logical volume that has been divided into at least two virtual areas. The storage control apparatus executes a first data movement processing for moving all data of the first logical volume to at least one pool volume other than the first logical volume, and allocates a real area of a movement destination of the data to a virtual area of an allocated destination of a real area of a movement source of the data as substitute for the real area in the first data movement processing.

Storage apparatus to which thin provisioning is applied and including logical volumes divided into real or virtual areas

A configuration management system for a storage system including a host computer, a storage device providing a storage area for data processed by the host computer, and a communication network connecting the host computer and the storage device communicatively is disclosed. The configuration management system comprises a system condition table storing a system condition, a storage configuration table storing storage configuration information, a performance table storing a performance condition indicating a storage performance. searching the system condition table is searched using the required system condition and the performance table is searched using the required performance condition. If the storage system satisfying the required conditions fails to be extracted, content of the required system condition is changed and searching of the system condition table and the performance table is carried out.

Configuration management system and configuration management method for storage system

For a storage system which holds backup data of a first data storage extent in one or more second data storage extents in use of a first backup method, a backup status in a first backup method in a prescribed period is acquired and a first backup performance in a first backup configuration is computed based on this backup status. Meanwhile, a second backup performance in a second backup configuration is estimated based on a prescribed assumption in a prescribed period. Information is outputted based on the computed first backup performance and the estimated second backup performance.

Method and computer for supporting construction of backup configuration

In a rotor of a rotary-electric machine, in order to improve a cooling performance of a rotor winding on an end portion of the rotor in an axial direction, the rotor winding being held by a retaining ring of the rotor winding formed by laminating conductors in slots of a rotor iron core extending in an axial direction and having slots formed at predetermined intervals in a peripheral direction, ventilation channels through which cooling air flows are formed in the surfaces of the conductors along a longitudinal direction. The ventilation channels have air inlet holes which guide the cooling air and exhaust holes which exhaust the cooling air, the conductors are laminated to constitute the rotor winding, and the conductors include openings of the air inlet holes in bottoms of the conductors on a side opposite to a side on which the ventilation channels are formed.

Rotor of rotary-electric machine

In a rotor of a rotary-electric machine, in order to improve a cooling performance of a rotor winding, in a rotor winding on an end portion of the rotor in an axial direction, the rotor winding being held by a retaining ring of the rotor winding formed by laminating a plurality of conductors in slots of a rotor iron core extending in an axial direction and having a plurality of slots formed at predetermined intervals in a peripheral direction, ventilation channels through which cooling air flows are formed in the surfaces of the conductors along a longitudinal direction. The ventilation channels have air inlet holes which guide the cooling air and exhaust holes which exhaust the cooling air, the conductors provided with the ventilation channels which are formed in the surfaces of the conductors along the longitudinal direction and through which the cooling air flows are laminated to constitute the rotor winding, and the conductors include openings of the air inlet holes in bottoms of the conductors on a side opposite to a side on which the ventilation channels are formed.

The seal devices on both ends of the rotary shaft are supported by the casing, the bearing on one end of the rotary shaft is supported by a bearing pedestal which is separated of the casing, the bearing on the other end of the rotary shaft is supported by the casing, the seal ring of the seal device on one end of the rotary shaft is divided into circumferential segments, and the seal ring of the seal device on the other end of the shaft is a unified seal ring.

Seal for generator

An armature winding includes a plurality of strand groups each having strands transposed and bound in at least two rows and multiple tiers, and a main insulator for covering the strand group. The strands belonging to a strand group on one side of a central strand group has a cross-sectional area smaller than that of the control strand group, and the strands belonging to the strand group on the other side of the central strand group has a cross-sectional area larger than that of the central strand group.

Armature windings and dynamo-electric machine using the same

An electric rotating machine capable of lowering the temperature of a rotor disposed, wherein at least one of closed ventilation loops for cooling is formed, one of the loops constituting a ventilation passage communicating with an exhaust side through a heat source of the end of the generator to a cooler, thereby to supply cooling wind to the rotor after it passes through the cooler.

Electric rotating machine

Dynamo-electric machine

A storage system that realizes data duplication between a master storage and a remote storage by performing a remote data transfer is provided. The storage system monitors the amount of write data from a host apparatus to the master storage. If as a result of monitoring, the amount of write data is found to exceed a predetermined value, the data transfer to the remote storage is automatically halted and a differential management of updated data takes place within the master storage using a differential bitmap.

Data transfer control system

The creep strength of a welded joint portion is improved, and damage of the welded joint portion based on the generation or development of cracks is suppressed. A postweld heat treatment process, wherein a welded joint made of carbon steel and low alloy steel is held within austenite single-phase temperature range for a given time and subsequently the joint is cooled by air-cooling or by slow cooling at a cooling rate lower than that of the air-cooling.

Postweld heat treatment process of carbon steel and low alloy steel

A rotating machine having a stator core and coolers for cooling a cooling medium which is circulated inside the machine by the rotation of a fan installed near a rotating axis of the rotating machine. The coolers being installed in a ventilation passage for the cooling medium and including at least one cooler installed in one ventilation passage extending from an exhaust side of the fan to a suction side of the fan via the stator core, and at least another cooler installed in another ventilation passage extending from the exhaust side of the fan in the one ventilation passage to an inside of an inner surface of the stator core.

Rotating machine with plural coolers in plural ventilation passages

Growing community of inventors

Hitachi, Japan

Takashi Watanabe