公开(公告)号：WO2023032364A1

公开(公告)日：2023-03-09

申请号：PCT/JP2022/021478

申请日：2022-05-19

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： GUO, Jianlin ,  LIU, Bryan ,  AKINO, Toshiaki ,  WANG, Ye ,  KIM, Kyeong Jin ,  PARSONS, Kieran ,  ORLIK, Philip

IPC: G05B23/02

Abstract: A computer-implemented pre-processed time-delay autoencoder based anomaly detection method are provided for detecting anomalous states of machines arranged in a factory automation (FA) system or a manufacturing production line. The method includes acquiring source signals from the machines via an interface performing a data pre-processing process for the acquired source signals by normalizing value ranges of the acquired source signals and filtering undesired features from the acquired source signals performing a time-delayed data reform process for the pre-processed source signals based on a time-delay window to generate pre-processed time-delay data submitting pre-processed time-delay testing data to a pre-processed time- delayed autoencoder (Prep-TDAE) neural network, wherein the pre-processed time-delay testing data are collected online while the machines are operated, wherein the Prep-TDAE neural network has been pre-trained by using the pre-processed time-delay training data detecting, if an anomaly state is encountered with respect to the machines, by computing anomaly scores of the pre-processed time-delay testing data, and determining, when the anomaly state is detected, anomaly occurrence time, duration and severity with respect to the anomaly state of each of the machines.

公开(公告)号：WO2018079184A1

公开(公告)日：2018-05-03

申请号：PCT/JP2017/035365

申请日：2017-09-22

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： KIM, Kyeong Jin ,  ORLIK, Philip

IPC: H04L27/26 ,  H04B7/06

Abstract: Systems and methods for a communication system including a set of transmitters, wherein operations of the set of transmitters are synchronized with an accuracy bound by a synchronization error. A controller communicatively connected to each transmitter in the set of transmitters, wherein the controller is configured to: determine a tap delay for a communication channel between a receiver and each transmitter in the set of transmitters to produce a set of tap delays. Determine a minimal length of a cyclic prefix as a function of a sum of the synchronization error and a maximal tap delay in the set of tap delays. Finally, controls at least some transmitters in the set of transmitters to transmit a message to the receiver using a cyclic delay diversity (CDD) with the cyclic prefix having at least the minimal length.

Abstract translation: 用于包括一组发射机的通信系统的系统和方法，其中该组发射机的操作与由同步误差限制的精度同步。 控制器，通信地连接到所述发射机集合中的每个发射机，其中所述控制器被配置为：确定接收机与所述发射机集合中的每个发射机之间的通信信道的抽头延迟，以产生一组抽头延迟。 根据同步误差和该组抽头延迟中的最大抽头延迟的总和来确定循环前缀的最小长度。 最后，控制该组发射机中的至少一些发射机使用具有至少最小长度的循环前缀的循环延迟分集（CDD）向接收机发送消息。

公开(公告)号：WO2016121625A1

公开(公告)日：2016-08-04

申请号：PCT/JP2016/051760

申请日：2016-01-15

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： KIM, Kyeong Jin ,  ORLIK, Philip ,  AKINO, Toshiaki

IPC: H04L25/03

CPC classification number: H04L1/0054 ,  H03C3/40 ,  H04B7/0413 ,  H04L25/0246 ,  H04L25/03216 ,  H04L25/03286 ,  H04L25/03891

Abstract: A method decodes a block of data received over a communication channel. The method determines an initial estimate of bits in the block using a QR decomposition (QRD-M) method decoding the bits in the block sequentially by reducing an accumulated distance between the initial estimate and the bits of the block. Then, the method determines the block using a likelihood ascent (LAS) method that iteratively updates the bits of the block starting from the initial estimate.

Abstract translation: 一种方法对通过通信信道接收的数据块进行解码。 该方法使用QR分解（QRD-M）方法来确定块中比特的初始估计，其通过减少初始估计与块的比特之间的累积距离来顺序地解码块中的比特。 然后，该方法使用从初始估计开始迭代地更新块的比特的似然上升（LAS）方法来确定块。

公开(公告)号：WO2022195976A1

公开(公告)日：2022-09-22

申请号：PCT/JP2021/044597

申请日：2021-11-30

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： WANG, Ye ,  KIM, Kyeong Jin ,  WANG, Xiao

IPC: G06N3/04 ,  G06N3/08 ,  G06N20/00

Abstract: An anomaly detector for detecting anomaly in input data comprises an auto-encoder trained to encode the input data and decode the encoded input data to reconstruct the input data. Further, the anomaly detector comprises a classifier trained to determine a reconstruction loss indicative of a difference between the accepted input data and the reconstructed input data, where the reconstruction loss includes a weighted combination of a plurality of loss functions evaluating reconstruction losses of a plurality of parts of the reconstructed input data, different types of loss functions, or both. The classifier is further configured to detect an anomaly in the reconstructed input data when the reconstruction loss is above a threshold.

公开(公告)号：WO2021153638A1

公开(公告)日：2021-08-05

申请号：PCT/JP2021/002929

申请日：2021-01-21

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： GUO, Jianlin ,  LEE, Gilsoo ,  KIM, Kyeong Jin ,  ORLIK, Philip ,  AHN, Heejin ,  DI CAIRANO, Stefano

IPC: G08G1/08 ,  G08G1/081 ,  G08G1/087 ,  G08G1/0967

Abstract: A traffic control system for controlling traffic at interconnected intersections is provided, where the system comprises a receiver that receives traffic data that indicates states of vehicles approaching an intersection of the interconnected intersections and directions of the vehicles exiting the intersection. Further, the system comprises a processor that determines intersection crossing times and velocities of vehicles approaching the intersection by minimizing at least one of a total travel time or a maximum travel time of the vehicles for crossing the intersection. The contribution of each vehicle of the vehicles approaching the intersection in the at least one of a total travel time or a maximum travel time is weighted based on directions of the vehicles and traffic at next intersection. Further, the system comprises a transmitter that transmits the intersection crossing times and velocities to the vehicles exiting the intersection for controlling the traffic at the interconnected intersections.

公开(公告)号：WO2020183918A1

公开(公告)日：2020-09-17

申请号：PCT/JP2020/002012

申请日：2020-01-15

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： GUO, Jianlin ,  YE, Fei ,  KIM, Kyeong Jin ,  ORLIK, Philip ,  AHN, Heejin ,  DI CAIRANO, Stefano

IPC: G08G1/01 ,  G05D1/02 ,  G06Q10/04 ,  G08G1/0967 ,  G08G1/00

Abstract: A system jointly controls vehicles according to traffic configuration of a zone of intersection of a first road and a second road. The intersection zone includes a sequencing zone and a control zone covering sections of the first and the second road in proximity to the intersection. The system groups vehicles traveling within the sequencing zone on the first and the second roads into a set of groups of the vehicles and prevents the vehicles of different groups to travel concurrently in the control zone such that the first vehicle of the following group cannot pass the last vehicle of the preceding group. The system determines motion trajectories for the vehicles of the same group traveling in the control zone on the first and the second roads to pass the intersection and transmits the motion trajectories to the corresponding vehicles.

公开(公告)号：WO2016114023A1

公开(公告)日：2016-07-21

申请号：PCT/JP2015/083517

申请日：2015-11-20

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： ORLIK, Philip ,  KHAN, Talha ,  KIM, Kyeong Jin

IPC: H04W28/16

CPC classification number: H04W72/082 ,  H04L5/0035 ,  H04W28/16 ,  H04W88/08

Abstract: A method assigns backhaul links in a cooperative wireless network including a control unit (CU) connected to a set of access points (APs) by a set of backhaul links, and wherein the APs are connected to an end user by wireless channels. A reliability of each backhaul link is determined to produce a set of reliabilities. A distance between each AP and the end user is determined to produce a set of distances. Using the set of reliabilities and the set of distances, probabilities of successful reception of a message transmitted from the CU to the end user via the backhaul links and the wireless channels are determined. Then, the backhaul links are assigned according to the probabilities of successful reception of the message by the end user.

Abstract translation: 一种方法在包括通过一组回程链路连接到一组接入点（AP）的控制单元（CU）的协作无线网络中分配回程链路，并且其中AP通过无线信道连接到终端用户。 确定每个回程链路的可靠性以产生一组可靠性。 确定每个AP与最终用户之间的距离以产生一组距离。 使用一组可靠性和一组距离，确定通过回程链路和无线信道从CU发送到终端用户的消息的成功接收的概率。 然后，回程链路根据最终用户成功接收消息的概率进行分配。

公开(公告)号：WO2022209184A1

公开(公告)日：2022-10-06

申请号：PCT/JP2022/001873

申请日：2022-01-13

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： BERNTORP, Karl ,  GREIFF, Marcus ,  DI CAIRANO, Stefano ,  KIM, Kyeong Jin

IPC: H04L67/12 ,  H04L67/52 ,  G01S19/48 ,  B60W30/08

Abstract: A probabilistic system for tracking a state of a vehicle using unsynchronized cooperation of information includes a probabilistic multi-head measurement model relating incoming measurements with the state of the vehicle. The first head of the model relates measurements of the satellite signals subject to measurement noise with a belief on the state of the vehicle, and a second head relates an estimation of the state of the vehicle subject to estimation noise with the belief on the state of the vehicle. A probabilistic filter of the system updates recursively the belief on the state of the vehicle based on the multi-head measurement model accepting one or a combination of the measurements of the satellite signals subject to the measurement noise and the estimation of the state of the vehicle subject to the estimation noise.

公开(公告)号：WO2022209183A1

公开(公告)日：2022-10-06

申请号：PCT/JP2022/001871

申请日：2022-01-13

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： BERNTORP, Karl ,  GREIFF, Marcus ,  DI CAIRANO, Stefano ,  KIM, Kyeong Jin

IPC: G01S19/39 ,  G01S19/09

Abstract: A server jointly tracks states of multiple vehicles using measurements of satellite signals received at each vehicle and parameters of the probabilistic distribution of the state of each vehicle. The server fuse states and measurements into an augmented state of the multiple vehicles and an augmented measurement of the augmented state subject to augmented measurement noise defined by a non-diagonal covariance matrix with non-zero off-diagonal elements, each non-zero off-diagonal elements relating errors in the measurements of a pair of corresponding vehicles. The server executes a probabilistic filter updating the augmented state and fuses the state of at least some of the multiple vehicles with a corresponding portion of the updated augmented state.

公开(公告)号：WO2017126511A1

公开(公告)日：2017-07-27

申请号：PCT/JP2017/001440

申请日：2017-01-11

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： PAJOVIC, Milutin ,  SURYAPRAKASH, Raj Tejas ,  ORLIK, Philip ,  KIM, Kyeong Jin

IPC: H04L25/02

CPC classification number: H04L25/0224 ,  H04B7/0626 ,  H04L25/0202 ,  H04L25/0204 ,  H04L25/0242 ,  H04L25/0252

Abstract: A method for decoding a symbol transmitted over a millimeter wave (mmWave) channel estimates channel state information (CSI) of the mmWave channel using a Bayesian inference on a test symbol according to a probabilistic model of the mmWave channel including statistics on paths and spread of mmWaves propagating in the mmWave channel and decodes a symbol received over the mmWave channel using the CSI.

Abstract translation: 根据毫米波（mmWave）信道的概率模型，对在毫米波（mmWave）信道上发射的符号进行解码的方法使用对测试符号的贝叶斯推断来估计毫米波信道的信道状态信息（CSI） 信道包括毫米波信道中传播的毫米波的路径和传播的统计数据，并使用CSI解码在毫米波信道上接收的符号。