JP2018197977A - 車両システム - Google Patents
車両システム Download PDFInfo
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- JP2018197977A JP2018197977A JP2017102634A JP2017102634A JP2018197977A JP 2018197977 A JP2018197977 A JP 2018197977A JP 2017102634 A JP2017102634 A JP 2017102634A JP 2017102634 A JP2017102634 A JP 2017102634A JP 2018197977 A JP2018197977 A JP 2018197977A
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- 238000013135 deep learning Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- G05D1/0257—Control of position or course in two dimensions specially adapted to land vehicles using a radar
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Abstract
【解決手段】車両システムは、車両(1)の周囲に存在する事物(50)を認識する第1のプログラム(110)と、認識された事物に関する情報を、時系列の地図データとして格納する第2のプログラム(120)と、格納された時系列の地図データに基づいて、事物の未来の位置を予測する第3のプログラム(130)とを備える。第1のプログラム及び第3のプログラムの学習パラメータは、(i)第1のプログラム及び第3のプログラムの各々の出力に対応する正解データに基づいて個別に最適化された後、(ii)第3のプログラムの出力に対応する正解データに基づいてまとめて最適化されている。
【選択図】図2
Description
まず、実施形態に係る車両システムが搭載される車両の構成について、図1を参照して説明する。ここに図1は、実施形態に係る車両の構成を示すブロック図である。
次に、ECU20における制御プログラム100の構成について、図2を参照して具体的に説明する。図2は、ECU20に記憶されている制御プログラムの構成図である。
次に、OGMプログラム120について、図3から図5を参照して詳細に説明する。図3は、OGMプログラムに蓄積されるグリッドマップの一例を示す概念図である。図4は、離散値で表現されたグリッドマップの一例を示す平面図であり、図5は、確率分布で表現されたグリッドマップの一例を示す平面図である。
次に、動き予測プログラム130について、図6から図9を参照して詳細に説明する。図6は、動き予測プログラムの構成図であり、図7は、動き予測プログラムの動作の流れを示すフローチャートである。図8は、クセカテゴリの判別方法を示す概念図であり、図9は、動き予測プログラムの入力及び出力を示す概念図である。
次に、認識プログラム110、OGMプログラム120、及び動き予測プログラム130の最適化(即ち、プログラムの出力をより適切なものにするための学習)について、図10から図12を参照して説明する。図10は、認識プログラム110の個別最適化を示す概念図であり、図11は、動き予測プログラム130の個別最適化を示す概念図である。図12は、3つのプログラムの全体最適化を示す概念図である。なお、以下で説明する最適化は、車両システムの出荷前に行われることを前提としている。
10 センサ
20 ECU
30 エンジン
40 運転者
50 物体
100 制御プログラム
110 認識プログラム
120 OGMプログラム
130 動き予測プログラム
140 パスプランプログラム
150 エンジン制御プログラム
200 RNN
300 ニューラルネットワークレイヤー
310 LSTM
320 DNN
Claims (4)
- 車両の周囲に存在する事物を認識する第1のプログラムと、
前記第1のプログラムによって認識された前記事物に関する情報を、時系列の地図データとして格納する第2のプログラムと、
前記第2プログラムによって格納された前記時系列の地図データに基づいて、前記事物の未来の位置を予測する第3のプログラムと
を備え、
前記第1のプログラム及び前記第3のプログラムは、(i)前記第1のプログラム及び前記第3のプログラムの各々の出力に対応する正解データに基づいて個別に最適化された後、(ii)前記第3のプログラムの出力に対応する正解データに基づいてまとめて最適化されている
ことを特徴とする車両システム。 - 前記第3のプログラムは、前記時系列の地図データから判別した前記事物の挙動のクセを利用して、前記事物の未来の位置を予測することを特徴とする請求項1に記載の車両システム。
- 前記第3のプログラムは、前記時系列の地図データから算出される判別パラメータが、予め設定された複数のクセカテゴリのいずれに対応するものであるかを判定することで、前記事物の挙動のクセを判別することを特徴とする請求項2に記載の車両システム。
- 前記第3のプログラムによって予測された前記事物の未来の位置に基づいて、前記車両の走行経路を設定する設定手段を更に備えることを特徴とする請求項1から3のいずれか一項に記載の車両システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2017102634A JP6673293B2 (ja) | 2017-05-24 | 2017-05-24 | 車両システム |
US15/952,677 US11040719B2 (en) | 2017-05-24 | 2018-04-13 | Vehicle system for recognizing objects |
US17/351,632 US11661068B2 (en) | 2017-05-24 | 2021-06-18 | Vehicle system for recognizing objects |
US18/076,889 US11794748B2 (en) | 2017-05-24 | 2022-12-07 | Vehicle system for recognizing objects |
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JP2017102634A JP6673293B2 (ja) | 2017-05-24 | 2017-05-24 | 車両システム |
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JP2018197977A true JP2018197977A (ja) | 2018-12-13 |
JP6673293B2 JP6673293B2 (ja) | 2020-03-25 |
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JP2017102634A Active JP6673293B2 (ja) | 2017-05-24 | 2017-05-24 | 車両システム |
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US11040719B2 (en) | 2021-06-22 |
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US20210309229A1 (en) | 2021-10-07 |
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