Patents Assigned to Aisin Seiki Kabushiki Kaisha
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Publication number: 20210309148Abstract: A peripheral monitoring apparatus includes a hardware processor that: acquires captured image data obtained by capturing, from a towing vehicle to which a towed vehicle is coupleable, a region behind the towing vehicle; acquires coupling information representing whether or not the towed vehicle is coupled to the towing vehicle; generates a reference line to be a reference for a movement of the towing vehicle when the towing vehicle moves backward; and switches display modes of the reference line to be displayed after being superimposed on an image being based on the captured image data, the switching of the display modes being performed between a case where the towed vehicle is coupled to the towing vehicle and a case where the towed vehicle is not coupled to the towing vehicle.Type: ApplicationFiled: October 3, 2018Publication date: October 7, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Kazuya WATANABE
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Publication number: 20210309206Abstract: A vehicle vibration control device includes: a motor generator connected via a motor shaft to a power transmission path between a crankshaft of an engine and a drive axle that transmits a drive torque to a tire; and a motor generator control portion executing control of an output torque which is actually output by the motor generator. The motor generator control portion includes a damper torque calculation section that acquires information on a crank angle and a motor angle to calculate a damper torque generated by a damper, an explosion cycle calculation section, a reverse phase torque calculation section, a delay time calculation section, a compensation time calculation section, a first compensation time calculation section, a torque correction amount calculation section, and a command output section.Type: ApplicationFiled: March 12, 2021Publication date: October 7, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Hirotaka MIZUGUCHI, Satoshi KOKUBO, Yosuke TERADA
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Publication number: 20210310423Abstract: A valve timing controller includes: a driving-side rotation member rotatable around a rotation axis and rotating in synchronization with a crankshaft of an internal combustion engine; a driven-side rotation member rotatable around the rotation axis and rotating integrally with a camshaft of the engine; a phase regulating mechanism setting a relative rotation phase of the driving-side and driven-side rotation members by an electric motor; a detection unit detecting the relative rotation phase; a stop control portion displacing the relative rotation phase by controlling the electric motor to stop the engine after the relative rotation phase reaches a stop phase; and a correction control portion displacing the relative rotation phase in a direction closer to the stop phase by controlling the electric motor, when the relative rotation phase is displaced beyond a set amount from the stop phase, in a state where the engine is stopped by the stop control portion.Type: ApplicationFiled: March 19, 2021Publication date: October 7, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Ibuki MATSUKI, Atsushi YAMAMOTO
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Publication number: 20210312648Abstract: A face image processing device, includes: an image coordinate system coordinate value derivation unit detecting an x-coordinate value and a y-coordinate value in an image coordinate system at a feature point of an organ of a face of a person in an image, and estimating a z-coordinate value, so as to derive three-dimensional coordinate values in the image coordinate system; a camera coordinate system coordinate value derivation unit deriving three-dimensional coordinate values in a camera coordinate system from the three-dimensional coordinate values in the image coordinate system derived by the image coordinate system coordinate value derivation unit; and a parameter derivation unit applying the three-dimensional coordinate values in the camera coordinate system derived by the camera coordinate system coordinate value derivation unit to a predetermined three-dimensional face shape model to derive a model parameter of the three-dimensional face shape model in the camera coordinate system.Type: ApplicationFiled: March 15, 2021Publication date: October 7, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Shin-ichi KOJIMA, Yuya YAMADA, Shin OSUGA, Koki UEDA, Yuta KAWAI, Takashi KATO, Yoshiyuki YAMADA
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Publication number: 20210300361Abstract: An obstacle detection device includes: a first acquisition unit acquiring object information which is on an object present around a moving object and is generated based on information acquired by distance measuring sensors mounted on the moving object; a second acquisition unit acquiring moving object information on the moving object; a determination unit determining whether the object is an obstacle likely to come into contact with the moving object based on the object information and the moving object information; and a generation unit generating obstacle information on the obstacle. The object information includes object position information and relative speed information, the moving object information includes moving object speed information and predicted path information, and the determination unit determines whether the object is the obstacle based on the object position information, the relative speed information, the moving object speed information, and the predicted path information.Type: ApplicationFiled: March 12, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Ippei SUGAE, Koichi SASSA
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Publication number: 20210301580Abstract: A vehicle operation detection device is applicable to a vehicle including a vehicle body in which an opening portion is provided, an opening and closing body which opens and closes the opening portion, an actuator which causes the opening and closing body to perform opening and closing operations, and a camera which captures an image around the opening portion, and is configured to detect a gesture of a user for starting at least one of the opening operation and the closing operation. The device includes: a direction specifying unit that specifies a direction of the user with respect to the vehicle based on the image captured by the camera; and a gesture detection unit that detects the gesture including a motion in a direction associated with the direction of the user, based on the image captured by the camera, when the direction specifying unit specifies the direction of the user.Type: ApplicationFiled: March 1, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Takuya TAMURA
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Publication number: 20210303878Abstract: An obstacle detection apparatus incudes an operation control portion configured to control operation of a movable portion, a first obtaining portion configured to obtain captured image data from an imager provided at the movable portion, the captured image data including first captured image data when the movable portion is in a first state and second captured image data when the movable portion is in a second state, a second obtaining portion configured to obtain moving amount information of the movable portion, an imager position calculation portion configured to calculate imager position information including a position of the imager when the movable portion is in the first state and a position of the imager when the movable portion is in the second state, and an obstacle position calculation portion configured to calculate a three-dimensional position of an obstacle included in the first captured image data and the second captured image data.Type: ApplicationFiled: March 2, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Atsushi HORI
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Publication number: 20210300274Abstract: An occupant position detection system includes an imaging device configured to capture an image of an occupant seated on a seat provided in an interior of a vehicle, a sensor provided on the seat, a first calculating unit configured to calculate a first position of the occupant from the image captured by the imaging device, a second calculating unit configured to calculate a second position of the occupant from a detection result of the sensor, an occupant position calculating unit configured to calculate an occupant position by fusing the first position and the second position, and an output unit configured to output information on the occupant position calculated by the occupant position calculating unit, to a safety device.Type: ApplicationFiled: March 30, 2020Publication date: September 30, 2021Applicants: Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki KaishaInventors: Udara Manawadu, Yoshihiro Saeki
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Publication number: 20210305855Abstract: A rotary electric machine includes: a stator having slots in each of which coils are accommodated; and a rotor having magnetic poles and facing the stator. The rotary electric machine has a fractional slot configuration. Basic phase band groups are arranged in parallel from a bottom to an opening of each slot, the basic phase band groups each including basic phase bands arranged for each pole and each having different phases in a rotation direction of the rotor, and each of the basic phase band groups is shifted by n times (n is zero or a natural number) a number of slots in a direction along the rotation direction with respect to the basic phase band group at the bottom of each slot, and, when n is an odd number, a phase band group arrangement constituted by two layers is reversed in the depth direction.Type: ApplicationFiled: February 23, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Masafumi SAKUMA
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Publication number: 20210300380Abstract: A vehicle control device includes a control unit configured to obtain information relating to a drive state of a vehicle, calculate a requirement torque, compute a first target torque, a second target torque, and an ideal change rate of a total torque of the first drive torque and the second drive torque, and at least control a magnitudes of the first drive torque and the second drive torque outputted from the first drive unit and the second drive unit. The control unit is configured to control the first drive unit to operate a first zero-cross process and control the second drive unit to operate a second zero-cross process after the first zero-cross process ends.Type: ApplicationFiled: March 23, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Shinya HARADA, Satoshi KOKUBO, Masaya SUGAI, Hiroki TSUKADA
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Publication number: 20210302573Abstract: An object detection system includes: a transmission unit configured to sequentially transmit a plurality of transmission waves to which identification information different from one another is applied; a reception unit configured to sequentially receive a plurality of reception waves respectively corresponding to the plurality of transmission waves returned in response to reflection by an object after all the plurality of transmission waves are transmitted by the transmission unit; and a detection processing unit configured to detect information related to the object based on a relationship between the plurality of transmission waves and the plurality of reception waves.Type: ApplicationFiled: March 12, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Ippei SUGAE, Koichi SASSA
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Publication number: 20210305869Abstract: A rotary electric machine includes a stator that has a plurality of slots accommodating a coil having a lap winding configuration made of a segment conductor, and a rotor that faces the stator and has a plurality of magnetic poles, and has a fractional slot configuration in which the number of slots per pole and phase is more than 1/2, and a denominator is equal to or more than 2 in an irreducible fraction expression. When the irreducible fraction expression of the number of slots per pole and phase is set as (a+b/c) where a indicates zero or a positive integer, and b and c indicate a positive integer and b<c, the coil for a laps is configured by an adjacent pole coil group, and the coil of a (a+1)th lap is configured by a continuous-pole coil group. The a laps are made in the same direction.Type: ApplicationFiled: March 22, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Masafumi SAKUMA
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Publication number: 20210302574Abstract: An object detection system includes: a plurality of object detection devices. Each of the plurality of object detection devices includes a transmission unit that transmits, substantially simultaneously with the other object detection devices, a transmission wave encoded based on one or a combination of two or more surges of a plurality of surges which are respectively applied with frequency modulations based on a plurality of chirp signals whose frequencies change in patterns different from one another, the one or the combination of two or more surges being different from those used in the other object detection devices, a reception unit that receives a reception wave that is the transmission wave returned in response to reflection by an object, and a detection processing unit that detects information related to the object based on information acquired as a result of transmission and reception of the transmission wave and the reception wave.Type: ApplicationFiled: March 12, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Ippei Sugae, Hisashi Inaba
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Publication number: 20210305868Abstract: A rotary electric machine includes a stator having slots, and a rotor having magnetic poles. When an irreducible fraction expression of the number of slots per pole and phase is set as (a+b/c), the coil for a laps is configured by an adjacent pole coil group, and the coil of a (a+1)th lap is configured by a continuous-pole coil group. In the adjacent pole coil group, the pole coil that is not interposed between adjacent-pole-connection same layer connection portions and the pole coil interposed therebetween are alternately arranged. The continuous-pole coil group is configured only by the pole coil that is not interposed therebetween when the number of blanks is all odd, and by the pole coil that is not interposed therebetween and the pole coil interposed therebetween when the number of blanks is all even or when odd and even numbers are mixed as the number of blanks.Type: ApplicationFiled: March 22, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Masafumi SAKUMA
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Publication number: 20210305860Abstract: A motor includes a rotor configured to rotate with a shaft. The rotor includes a plurality of yoke portions and a plurality of holding portions each corresponding to a space portion provided between the adjacent yoke portions and configured to hold therein a magnet. At least one of the plurality of yoke portions includes a tab portion extending towards the holding portion and configured to hold the magnet held in the holding portion. The holding portion includes an insertion space provided between a first end portion of the yoke portion in an axial direction of the shaft and the tab portion. The insertion space allows the magnet to be inserted into the insertion space towards an inner side in a radial direction of the shaft.Type: ApplicationFiled: March 12, 2021Publication date: September 30, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Hiroaki YUI, Hiroki UME, Hideaki KATO, Takahiro SONODA
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Publication number: 20210291705Abstract: A seat apparatus for a vehicle includes an event detection unit configured to detect an occurrence of an event making a buzzer operate for each of plural seats sharing the buzzer, and a notification control unit configured to operate notification control of the buzzer in accordance with the event. The notification control unit is configured to prioritize and operate one of the plural notification controls which operate duplicately in a case where there are the plural seats in which the event occurs.Type: ApplicationFiled: March 11, 2021Publication date: September 23, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yoshihisa SUZUKI, Takuro KURISU
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Publication number: 20210289942Abstract: A seat device includes a holding member that holds an air tube and is located below a seat cushion. The holding member includes a base wall that defines a holding surface for the air tube, a locking portion that locks air tubes routed along the holding surface on the base wall, and a side wall extending in a routing direction of each of the air tubes.Type: ApplicationFiled: August 4, 2017Publication date: September 23, 2021Applicants: AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Makoto SAKAI, Ryosuke MIZUNO, Tomokazu SEIKI, Katsuya NOZUE, Shunsuke TANAKA, Kenji HASHIMOTO
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Publication number: 20210291782Abstract: A vehicle theft prevention device includes a shaft, a tilt drive unit, and an expansion and contraction drive unit. A steering wheel that changes and operates a direction of a wheel in a vehicle is mounted on the shaft. The tilt drive unit adjusts an up-down angle of the shaft. The expansion and contraction drive unit adjusts a front-back position of the shaft. A lock mechanism is provided in which an engaging portion and an engaged portion that engage with each other and block rotation of the shaft when the shaft is at a preset tilt position and expansion-and-contraction position are arranged so as to be allocated to the shaft and the vehicle.Type: ApplicationFiled: March 1, 2021Publication date: September 23, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: ZHI CAI
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Publication number: 20210293579Abstract: A rotational position detection device includes: a rotary body including first and second magnet pairs respectively including first and second permanent magnets and third and fourth permanent magnets which have polarities different from each other and are arranged adjacent to each other in a predetermined rotation direction; and a sensor pair including first and second magnetic sensors adjacent to each other in the predetermined rotation direction and configured to output different output signals for detection of magnetic fields having different polarities. The rotational position detection device is configured to detect first and second facing positions where the first and second magnetic sensors respectively face the first and second permanent magnets and the third and fourth permanent magnets by a combination of the output signals.Type: ApplicationFiled: February 22, 2021Publication date: September 23, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: CHUAN XIE, HISAYASU MASE
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Patent number: 11125874Abstract: An obstacle detection sensor includes: a controller configured to determine a detection condition of an obstacle on a road; a distance sensor unit configured to acquire distance information by oscillating a vibration wave and receiving a reflected wave of the oscillated vibration wave; a communication unit configured to communicate with an outside to acquire road surface information; and a storage unit configured to store detection relationship information for identifying the obstacle based on the distance information, in which the controller compares the detection relationship information read from the storage unit with the distance information and the road surface information acquired from the distance sensor unit and the communication unit to determine the detection condition.Type: GrantFiled: December 20, 2018Date of Patent: September 21, 2021Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Ippei Sugae, Eiji Niwa, Hisashi Inaba