Mitsubishi Heavy Industries Limited

Nippon Telegraph and Telephone Corporation

Inter-university Research Institute Corporation Research Organization of Information and Systems

Osaka University

Takahiro Inagaki

Hiroki Takesue

Toshimori Honjo

Kensuke Inaba

Yuji Kondo

Takuya Goto

Yusuke Ikeda

Toshiyuki Funato

Yosuke Ikeda

Katsumi Nakamura

Mikio Nakamura

Makoto Hirai

Akihito Suzuki

Tsugumaru Yamashita

Naoki Goto

Kunihiro Kuroi

Toshihiro Tombe

Shoko Utsunomiya

Shuhei Tamate

Masanobu Mizukami

Takuya Ikuta

Hiroyuki Saito

Takeshi Yamada

Yoshihisa Yamamoto

Kazuto Nakamura

Akira Kono

Kenichi Tsuruda

Hiromi Osaka

Yoshitaka Haribara

Takayuki Yoneda

Koji Igarashi

A calculation device of the present disclosure is characterized by implementing an item, which expresses a magnetic field, at each site by adding, to the conventional coherent Ising machine, a function for simulating the magnetic field item. Specifically, light having the amplitude of a predetermined sign is input in the conventional coherent Ising machine by dislocating an operation point of the push-pull-type optical modulator. When the operation point is dislocated to a + direction, DOPO (Degenerate Optical Parametric Oscillator) having the same wavelength as that of DOPO of an optical resonator and having a fixed initial phase difference from pump light into which the light is injected considerably tends to oscillate at 0 phase, and becomes reversed when the operation point is dislocated to a minus direction.

Computing device of Ising model

To provide a spiking neuron apparatus able to efficiently implement a simulation of a spiking neuron. A spiking neuron apparatus using a coherent Ising machine, the coherent Ising machine including: a resonator unit for amplifying a plurality of optical pulses; a measurement unit for measuring phases and amplitudes of the optical pulses to obtain a measurement result; and a feedback configuration for computing and feeding back an interaction related to a certain optical pulse using a coupling coefficient of Ising Model on the basis of the measurement result, the feedback configuration feedback inputting correlation determined by two coupling coefficients with opposite signs to two predetermined optical pulses of the optical pulses, the spiking neuron apparatus simulating a state of a spiking neuron using one of values of two optical pulses finally obtained by the measurement unit.

Spiking neuron device and combinatorial optimization problem calculation device

To provide a robot control system and a robot control method capable of placing a component grasped by a robot hand at an accurate location on another member. A robot control system is provided with: a robot hand configured to grasp a clip; a camera configured to capture an image of the clip grasped by the robot hand, a calculation unit configured to calculate a position of the clip or an inclination of a component based on an imaging result of the clip captured by the camera, and a robot control unit configured to control the robot hand to adjust, based on the position of the clip or the inclination of the component calculated by the calculation unit, a position or an inclination of the robot hand and move the clip to a stringer.

Robot control system and robot control method

The present invention provides an optical phase synchronization method characterized by involving applying a small phase modulation signal (dither signal) to local oscillator light, acquiring an error signal that is dependent on a phase shift, and controlling the phase shift. The present invention further provides an optical phase synchronization method characterized by involving inducing a specific phase pattern in dummy pulses in an optical resonator using injection light, applying phase modulation to the local oscillator light, and thereby acquiring a part of the measurement result of the dummy pulses as the error signal. The present invention is further characterized by arranging calculation pulses and phase synchronization dummy pulses in a distributed manner (for example, alternately) and increasing a pulse width using a narrow band electrical filter.

Phase synchronization method and phase synchronization device

A Potts model computing device capable of computing a Potts problem that is a multivalued spin problem are described herein. The Potts model computing device includes: an Ising model computing device; a computation result storage and determination unit configured to store a value of a spin of the Ising model obtained in a case where a coupling coefficient is set in the Ising model computing device and to determine whether a computation is finished; and a coupling coefficient overwriting unit configured to update a coupling coefficient generated based on the stored value of the spin to the Ising model computing device. According to a value of a set of spins obtained as a computation result corresponding to a coupling coefficient set for an m-th time in the Ising model computing device, the coupling coefficient overwriting unit generates again a coupling coefficient to be set for an (m+1)-th iterative computation.

Potts model calculation device

The Ising model calculation device selects a solution having a consistent quality from among solutions obtained through the calculations with the evaluation index of a calculation accuracy. A coupling coefficient obtained by combining the Ising model coupling coefficient corresponding to a problem for which a solution should be calculated with the Ising model coupling coefficient corresponding to the check problem is set as a coupling coefficient used to calculate the interaction. With regard to a calculation value corresponding to the check spin among the calculation values using a plurality of light pulses, the compatibility as the solution of the check problem is judged. When the judgement result shows the compatibility as the solution of the check problem, a calculation value other than the calculation values corresponding to the check spin among the resultant calculation values is outputted as a solution to the problem for which a solution should be calculated.

Ising model calculation device

An automatic riveting device is provided with a rivet suction attachment unit for attaching the head of a rivet by suction, a tightening unit for tightening a stringer and clip by the rivet, and a control unit. The control unit controls the rivet suction attachment unit so that the rivet suction attachment unit to which the head of the rivet is attached is moved toward an upper side support body and the shaft part of the rivet is inserted into a through hole formed in riveting position P, and controls the tightening nit so that after the rivet suction attachment unit inserts the rivet into the through hole and retreats from the riveting position P, an upper anvil and a lower anvil are brought into proximity and the stringer and clip are tightened by the rivet.

Riveting machine and control method for same

To hold a long member in the original shape of the long member at a precise position, a long member assembling device has: a plurality of hand parts configured to grip a long member; arm parts and trunk parts configured to move the hand parts to adjust the positions of the plurality of hand parts gripping the long member; a storage unit in which the original shape of the long member is stored; and a control unit configured to, on the basis of the original shape of the long member stored in the storage unit, drive the arm parts and the trunk parts to adjust the positions of the plurality of hand parts gripping the long member such that the shape of the long member gripped by the plurality of hand parts matches the original shape of the long member stored in the storage unit.

Assembly body manufacturing device and assembly body manufacturing method

In order to hold a long member without using a fixing jig and without deforming the long member in holding the long member, a long member assembling device is provided with: multiple hand parts for gripping a long member; and arm parts and trunk parts for moving the hand parts to adjust the positions of the hand parts gripping the long member. The hand parts have a configuration such that, when the positions thereof are adjusted by the arm parts and the trunk parts, the hand parts are capable of moving in the longitudinal direction of the long member while gripping the long member.

A long member assembling device has hand parts configured to grip a long member, arm parts and trunk parts configured to adjust a position of each of the hand parts, a hand part configured to grip the long member, the hand part numbering less than the hand parts, an arm part and a trunk part configured to move the hand part and adjust a position of the hand part gripping the long member, the arm part and the trunk part having higher positioning accuracy than the hand parts, and a control unit configured to, on the basis of an original shape of the long member stored in a memory, drive the arm parts and the trunk parts to adjust the positions of the hand parts and the hand part such that the shape of the long member gripped by the hand parts matches the original shape.

In an Ising spin measuring step, measurement is suspended after one set of measurement of all Ising spins {&#x3c3;} is completed before another set of measurement of all Ising spins {&#x3c3;} is restarted. In an Ising interaction computing step, all Ising interactions relating to all the Ising spins &#x3c3;can be computed with a sufficient time margin on the basis of most recent measurement of Ising spins &#x3c3;, after one set of measurement of all the Ising spins {&#x3c3;} is completed before another set of measurement of all the Ising spins {&#x3c3;} is restarted by the Ising spin measuring step.

Ising model quantum computation device

A sealant applying apparatus includes a fastener rotating unit which supports a fastener to be rotatable around a central axis, and a sealant discharging unit which applies a sealant to the fastener by discharging the sealant. The fastener rotating unit includes a first holding member and a second holding member which hold the fastener to be rotatable, and a base which supports the first and second holding members. The first holding member is installed to the base to be exchangeable.

Sealant applying apparatus and sealant applying method

A case, in which an inner bottom surface is formed, and a chuck tool in which a lower surface is formed are provided. The inner bottom surface is a concave surface. The lower surface is a concave surface. An elongated member chucking apparatus changes an orientation of an elongated member inside the case to a predetermined orientation with respect to the chuck tool by sandwiching the elongated member between the inner bottom surface and the lower surface. The elongated member is held by the chuck tool in the predetermined orientation.

Elongated member chucking apparatus and elongated member chucking method

This fastener driving device is equipped with an impact force applying device that repeatedly applies impact forces to a fastener; and a load cell that detects a reaction force acting on the impact force applying device. The impact force applying device stops the applying of the impact force to the fastener on the basis of a detection result of the reactive force.

Fastener driving device

In a method of fastening composite material parts, a first smoothness of a first fastener is measured which is arranged to a first countersink through-hole which is formed in a first fastened work as stacked composite material parts. A second countersink depth is determined based on the first smoothness. A second countersink through hole with a second countersink depth is formed in a second fastened work as the composite material parts. The second fastened work is fastened using the second fastener arranged to the second countersink through-hole.

Growing community of inventors

Tokyo, Japan

Takahiro Inagaki