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公开(公告)号：US20230136951A1
公开(公告)日：2023-05-04
申请号：US18146935
申请日：2022-12-27
申请人： DENSO CORPORATION
发明人： Masatake WADA , Koudai YAMAURA , Takamasa HIDAKA
摘要： A control device, which is used in an automated valet parking lot, includes: an availability determination unit determining an availability of a parking section included in a parking area, the parking area being defined as an area in which an autonomous driving of a vehicle is executed according to a guidance of the control device within the automated valet parking lot; and a vehicle guidance unit guiding an entrance vehicle to the parking section according to the availability of the parking section determined by the availability determination unit, the entrance vehicle corresponding to the vehicle that requests an entrance to the parking section. When the availability determination unit determines that the parking section is unavailable, the vehicle guidance unit guides the entrance vehicle to a passage included in the parking area.
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公开(公告)号：US11639869B2
公开(公告)日：2023-05-02
申请号：US16880089
申请日：2020-05-21
申请人： DENSO CORPORATION
摘要： A road surface condition identification apparatus for identifying a road surface condition is provided. The road surface condition identification apparatus includes a vibration detector unit configured to output a detection signal being an analog signal according to magnitude of vibration of the tire. For identifying the road surface condition, the road surface condition identification apparatus performs A-D conversion of converting the detection signal of the vibration detector unit into a digital signal. Based on data on vehicle speed, the road surface to condition identification apparatus sets a conversion range of the magnitude of the vibration of the tire used in the AD conversion from the detection signal into the digital signal.
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公开(公告)号：US11639861B2
公开(公告)日：2023-05-02
申请号：US16423478
申请日：2019-05-28
申请人： DENSO CORPORATION
摘要： An electric power steering apparatus has a rotation detection device that includes a sensor section that detects a rotation of a motor and outputs a mechanical angle and a count value, and a signal obtainer that obtains the mechanical angle and the count value from the sensor section. The rotation detection device also includes an absolute angle calculator that calculates an absolute angle based on the mechanical angle and the count value and a storage area for storing a reference value that is used for correcting calculation errors in the absolute angle.
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公开(公告)号：US20230131995A1
公开(公告)日：2023-04-27
申请号：US17970789
申请日：2022-10-21
发明人： Takashi KOUDAI , Yuji FUJITA , Yugo NAGASHIMA , Yuuta KAJISAWA , Kazuma HASEGAWA , Masaharu YAMASHITA , Yosuke YAMASHITA , Shintaro TAKAYAMA , Hiroki TOMIZAWA , Nobuyori NAKAJIMA
IPC分类号： B62D5/04
摘要： A steering control device includes a controller including a drive circuit that performs action for supplying, to a motor, electric power supplied by being connected to at least one of a first and a second power supply. When a connection state of the drive circuit is a state in which electric power is supplied from the first power supply, the connection state is switched by a power supply device to transition to a second state in which electric power is supplied from the second power supply when an abnormality of the first power supply is detected. Moreover, the controller starts an output limiting process of limiting torque outputtable by the motor as compared with before the abnormality of the first power supply is detected, after the abnormality is detected and before switching of the connection state is completed.
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公开(公告)号：US20230130588A1
公开(公告)日：2023-04-27
申请号：US17832906
申请日：2022-06-06
申请人： DENSO CORPORATION
发明人： Prasanna SIVAKUMAR , Shawn HUNT
摘要： A method includes generating a radar-based intensity map and a lidar-based intensity map and performing one or more augmentation routines on the radar-based intensity map and the lidar-based intensity map to generate a radar input and a lidar input. The method includes generating a plurality of teacher-based bounding boxes and a plurality of student-based bounding boxes based on the radar input and the lidar input. The method includes determining a loss value of the plurality of student-based bounding boxes based on the plurality of teacher-based bounding boxes and a plurality of ground truth bounding boxes, updating one or more weights of the student neural network based on the loss value, and updating one or more weights of the teacher neural network based on a moving average associated with the one or more weights of the student neural network.
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公开(公告)号：US20230126560A1
公开(公告)日：2023-04-27
申请号：US17968877
申请日：2022-10-19
IPC分类号： G01R31/396 , H01M10/42 , G01R31/382 , H03K21/40
摘要： A battery monitoring system includes a battery monitoring ECU and battery monitoring devices which are sequentially connected in a connection configuration. The battery monitoring ECU includes a clock generator that generates a first clock signal. Each battery monitoring device includes a second clock generator that generates a second clock signal, a controller that causes a frequency correction block to correct a frequency of the second clock signal in line with the first clock signal and causes the battery monitor to monitor a battery cell using the second clock signal that has been corrected, and a switch that, according to an instruction of the battery monitoring ECU, switches a circuit configuration to a state in which a signal received from a preceding device is transmitted to a succeeding device in the connection configuration.
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公开(公告)号：US20230126107A1
公开(公告)日：2023-04-27
申请号：US17884871
申请日：2022-08-10
发明人： Shotaro WADA , Tomohiro NEZUKA
摘要： A clock signal generation circuit for a switched capacitor circuit with a chopping function unit includes: first and second synchronous clock circuits that generate first and second synchronous clock signals, respectively; an edge signal generation circuit that generates one or more rise and fall edge signals by delaying the first synchronous clock signal; a first clock generator that generate a first clock signal group for driving the switched capacitor circuit; and a second clock generator that generates a second clock signal group for driving the chopping function unit. Frequencies of the first and second clock signal groups are respectively defined by the first and second synchronous clock circuits. Rise and fall edges of the first and second clock signal groups are defined by the edge signal generation circuit.
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8.发明授权公开(公告)号：US11637366B2
公开(公告)日：2023-04-25
申请号：US16888275
申请日：2020-05-29
申请人： DENSO CORPORATION
IPC分类号： H01Q1/42 , G01S7/02 , G01S7/03 , H01Q1/32 , G01S13/931
摘要： A radar apparatus includes transmitting means, receiving means, target detection means, and a cover member. The cover member is positioned opposite at least one of the transmitting means and the receiving means, such as to cover at least one of the transmitting means and the receiving means. The cover member is provided with a first face which is positioned opposite at least one of the transmitting means and the receiving means, and a second face which is on an opposite side from the first face and is not parallel to the first face.
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公开(公告)号：US11635504B2
公开(公告)日：2023-04-25
申请号：US16865003
申请日：2020-05-01
申请人： DENSO CORPORATION
发明人： Yu Koyama , Tetsuya Aoyama , Takuya Nomura , Satoru Noro
摘要： An ultrasonic sensor includes: a first electrode that is provided in an ultrasonic microphone including a vibration element having a function of performing conversion between mechanical vibration and an electrical signal; a second electrode that is provided at a position different from the first electrode in an in-plane direction intersecting a directional axis of the ultrasonic microphone; and a detection section that is provided to detect the presence or absence of attached matter attached to the ultrasonic sensor on the basis of a change in capacitance between the first electrode and the second electrode.
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公开(公告)号：US11634074B2
公开(公告)日：2023-04-25
申请号：US17645548
申请日：2021-12-22
IPC分类号： B60R1/00
摘要： An image acquisition unit acquires camera images obtained by cameras, which are configured to photograph a periphery of the vehicle. An image synthesizing unit projects data of the camera images on a virtual projection surface, which corresponds to the periphery of the vehicle, and forms a synthetic image showing the periphery of the vehicle, which is viewed from a virtual view point, by using the data projected on the projection surface. A travelling-environment determination unit determines whether a travelling environment of the vehicle is an off-road or an on-road based on a signal from an other on-board device of the vehicle. The image synthesizing unit is configured to change a shape of the projection surface, which is for forming the synthetic image, according to whether the travelling-environment determination unit determines that the travelling environment is an off-road.
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