Pioneer Corporation

Kazutoshi Kitano

Eiji Muramatsu

Masahiro Kato

Yoshikazu Takeuchi

Kazunobu Hashimoto

Chihiro Kawabata

Takeshi Koda

Yoshinori Abe

Kenji Mito

An advanced map DBstored on a server deviceincludes pulse type information that is configuration information for detecting a landmark using a LIDAR. By sending request information Dincluding own vehicle position information, the vehicle mounted devicereceives response information Dincluding pulse type information corresponding to a landmark around the own vehicle position and controls the LIDARon the basis of the received pulse type information.

Feature data structure, control device, storage device, control method, program and storage medium

The light control device is installed in a movable body, and comprises a light transmission/reception unit including an emission unit and a light receiving unit. The emission unit emits a light, and the light receiving unit receives the light reflected by an object around the movable body. The control unit controls the emission unit to continuously shift the light emitted by the emission unit in a first direction and a second direction crossing the first direction such that a transition locus of the light emitted by the emission unit becomes helical.

Light control device, light control method and program

The information processing device includes a plurality of light transmission/reception units and an information processing unit. Each of the light transmission/reception unit includes an emission unit which emits a light, a scanning unit which scans the light emitted by the emission unit, and a light receiving unit which receives the light reflected by an object. The information processing unit obtains at least one of a distance to the object and an angle of the object based on light receiving results of the light receiving units. Each of the scanning units is arranged at a position where there is a direction in which the light scanned by the scanning unit is blocked by a vehicle itself, and scans the light omnidirectionally in a horizontal direction in a manner shared by the scanning units.

Information processing device, information processing method and program

The light control device emits a light from the emission unit, and receives the light reflected by an object by the light receiving unit. The acquisition unit acquires inclination information related to an inclination of the movable body, and the controller controls an emission direction of the light emitted by the emission unit based on the inclination information.

A LIDAR unit includes: an LD driver, a laser diode, and a scanner corresponding to an emission unit; a photo detector, a current/voltage conversion circuit, a A/D converter and an valuable segmenter that correspond to a light receiving unit; a landmark position prediction unit and landmark map acquisition unit that acquire position information indicating the position of a landmark on a map; and a synchronization controller that generates a valuable pulse trigger signal and a segment extraction signal. Based on a predicted current vehicle position value and the position of the landmark on the map, the landmark position prediction unit determines a predicted angular range of the landmark. The synchronization controller generates the valuable pulse trigger signal and the segment extraction signal such that the scan density of the light pulse is higher in the predicted angular range than the scan density of the light pulse in the other range.

Light control device, control method, program and storage medium

An acquisition unit acquires a light path length rcorresponding to an emission direction of emitted light, which is surrounding information of a moving body obtained by using a laser radar mounted on the moving body, a traffic mirror information including a center position N of a traffic mirror on a map, and position information of the moving body on the map. Then, on the basis of the acquired traffic mirror information and the acquired position information of the moving body on the map, an extraction unit extracts a light path length acquired via the traffic mirror from the acquired light path length r, and then calculates an object reflection position corresponding to the extracted light path length. This makes it possible to obtain surrounding information in a blind spot for a driver while increasing robustness with respect to the surrounding information, and thus advanced driving assistance can be implemented.

Driving assistance device and driving assistance method

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.

Growing community of inventors

Kanagawa, Japan

Kazutoshi Kitano