Pioneer Corporation

Pioneer System Technology Corporation

Yoshikazu Takeuchi

Masahiro Kato

Eiji Muramatsu

Kazutoshi Kitano

Kazunobu Hashimoto

Chihiro Kawabata

Mitsuo Yasushi

Tatsuya Fukuda

Kazumi Sugaya

Koichi Nagaki

Katsumi Amano

Hajime Adachi

Michihiro Kaneko

Takashi Morishige

Shisei Cho

Kenta Isozaki

Takashi Iizawa

Kota Kakisaka

Naoki Murakami

A vibration control device is provided which enables an awakening effect for a user to be increased while making it difficult to give discomfort to the user. A harmonic signal generating section of a vibration control device is configured to successively output a plurality of alternating signals for driving a vibration unit. By way of the plurality of alternating signals which is successively output and has a frequency ratio represented with a predetermined integer ratio, vibration generated with the plurality of alternating signals can more easily awaken a user while making it difficult to give discomfort to the user.

Vibration control device

An efficiency map generating apparatus () generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit () that detects an instructed torque input for the multiple motors (M), a torque distributing unit () that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit () that detects power consumption of the motors (M), a rotation count detecting unit () that detects the rotation counts of the motors (M), and an efficiency map generating unit () that generates a motor efficiency map () based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit () causes any of the multiple motors (M) to generate regenerative torque.

Efficiency map generating apparatus, efficiency map generating method, and program

A torque distribution apparatus acquires instructed torque input and a motor efficiency map; detects vehicular speed and drive wheel rotational speed; calculates based on the speeds, a relational expression of a slip rate at drive wheels and a friction coefficient; creates based on the relational expression, a performance curve expression that indicates torque-drive wheel rotational speed relations, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression that indicates for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates torque that optimizes efficiency, from the efficiency variation expression; calculates within a range of the slip rate being 0 to 0.2 and based on the instructed torque and torque optimizing efficiency, a torque distribution value for each of the motors such that total efficiency &#x3b7;total=&#x3a3;((Tn/T)&#xd7;&#x3b7;dn&#xd7;&#x3b7;&#x3bb;n) is maximized; and controls based on the calculated torque distribution values, torque distribution among motors.

Torque distribution apparatus, torque distribution method, torque distribution value generation method, and program

A torque distribution apparatus acquires an instructed torque input and a motor efficiency map for motors; detects vehicular speed and drive wheel rotational speed; calculates based on the detected speeds, a relational expression of drive wheel slip rate and a friction coefficient; creates based on the relational expression, a performance curve expression indicating relations between torque and the drive wheel rotational speed, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression indicating for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates a torque that optimizes efficiency from the efficiency variation expression; calculates based on the instructed torque and the torque optimizing efficiency, a torque distribution value for each motor; and controls torque distribution to each motor, within a range of the slip rate being 0 to 0.2 and based on the torque distribution values.

A torque distribution apparatus includes an instructed torque acquiring unit that acquires input instructed torque, a determining unit that determines whether to perform power running control or regenerative braking, an efficiency map acquiring unit that based on a determination result, acquires a motor efficiency map, a vehicular speed detecting unit, a drive wheel rotational speed detecting, a slip rate calculating unit that calculates slip rate at drive wheels, a calculating unit that based on the slip rate, creates an efficiency variation expression that indicates efficiency values on a performance curve that indicates relations between drive wheel rotational speed and torque, a distributing unit that calculates based on the slip rate, the instructed torque, and the torque optimizing efficiency, torque distribution values such that overall efficiency during power running and during regeneration are maximized, and a control unit that controls torque distribution to the motors.

A digital dubbing device that compresses and stores music data for each sound unit includes a music data counter that counts the number of samples of music data when the music data is to be compressed, and detects a music data stream located in the end part of the sound unit from the music data based on TOC information of the music data and the number of samples of the music data counted; a data storage unit that stores the music data stream detected; a music data comparator that detects a music data stream identical to the music data stream stored from the music data when dubbing of the music data is interrupted; and a controller that causes the dubbing of the music data to be restarted from music data following the music data stream detected.

Digital dubbing device

An audio information reproducing apparatus (NS) is provided with: a memory (HD) for storing audio information comprising a plurality of unit information, such as a plurality of music compositions; a transmitting device (HO) for transmitting correspondence information, such as music list information or the like, corresponding to each of the plurality of the unit information to an external portion; an obtaining device (HO) for obtaining reproduction control information to control a reproduction manner of each of the plurality of unit information from the external portion, the reproduction control information being generated on the basis of the transmitted correspondence information; and a controlling device () for reproducing the plurality of unit information from the memory while controlling the reproduction manner of each of the plurality of unit information in accordance with the obtained reproduction control information.

Audio information reproducing apparatus, movable body, and audio information reproduction controlling system

A navigation apparatus which assists traveling of the movable body is provided. The navigation apparatus includes a position detecting device, a route setting device, and a sound outputting device. The position detecting device detects a current position of the movable body. The route setting device sets a route on which the movable body travels. Then the sound outputting device continuously outputs a sound corresponding to the route at least while the movable body is traveling along the route.

Growing community of inventors

Sakado, Japan

Yoshikazu Takeuchi