JP6043519B2 - 電気自動車のエコドライビングシステム及びその案内方法 - Google Patents
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Description
110 入出力表示部
120 経路生成部
130 情報収集部
140 エネルギー消費量算出部
141 動力学的算出モジュール
142 走行抵抗算出モジュール
143 空調負荷算出モジュール
150 運転者性向把握部
151 アクセル速度算出モジュール
152 ステアリング速度算出モジュール
153 ブレーキ速度算出モジュール
154 運転パターン判断モジュール
160 データベース部
170 制御部
Claims (13)
- 電気自動車の現在位置から目的地までの走行可能な少なくとも1つの候補経路を生成する経路生成部と、
リアルタイム交通情報、気象情報、及び車両空調負荷量を収集する情報収集部と、
前記候補経路別の三次元地理情報、前記リアルタイム交通情報、気象情報、及び車両空調負荷量に基づいて各候補経路別エネルギー消費量を算出するエネルギー消費量算出部と、
運転者の前記電気自動車の操作による運転パターンを分析して、運転性向を把握する運転者性向把握部と、
前記エコドライビング案内のための各種プログラム及びデータを保存するデータベース部と、
前記候補経路の中から前記運転者の運転性向に合う候補経路を選定して前記電気自動車用のエコドライビング経路を案内する制御部と、を含み、前記運転者性向把握部は、
前記運転者のアクセルペダル操作による操作頻度及び速度を算出するアクセル速度算出モジュールと、
前記運転者のステアリング操作による操作頻度及び速度を算出するステアリング速度算出モジュールと、
前記運転者のブレーキペダル操作によるブレーキ操作頻度及び速度を算出するブレーキ速度算出モジュールと、
算出される前記運転者のアクセルペダル、ステアリング、及びブレーキペダル操作頻度及び速度を設定基準データと比較して、攻撃的(Aggressive)、一般的(Normal)、及び防御的(Defensive)性向のうちのいずれか1つと判断する運転パターン判断モジュールと、を含むことを特徴とする電気自動車のエコドライビングシステム。
- 前記経路生成部は、
前記候補経路別に前記目的地までの前記三次元地理情報を一定の距離単位に分割することを特徴とする請求項1に記載の電気自動車のエコドライビングシステム。 - 前記エネルギー消費量算出部は、
前記三次元地理情報に含まれる三次元座標(X、Y、Z)、曲率(カーブ)情報、勾配情報、及び交通スケジュール情報、そして前記リアルタイム交通情報に基づいて車両動力学の側面からエネルギー消費量を算出する動力学的算出モジュールと、
前記気象情報に含まれている路面、風向き、及び風速情報に基づいて路面の状態及び横風負荷による車両のエネルギー消費量を算出する走行抵抗算出モジュールと、
車両空調システムの前記空調負荷量によるエネルギー消費量を算出する空調負荷算出モジュールと、含むことを特徴とする請求項1又は2に記載の電気自動車のエコドライビングシステム。 - 前記交通スケジュール情報は、前記候補経路上にある道路の信号及び制限速度情報を含むことを特徴とする請求項3に記載の電気自動車のエコドライビングシステム。
- 前記制御部は、
前記候補経路別の走行エネルギー消費量及び最少エネルギー条件を予測して、実際の道路走行条件で前記電気自動車のエネルギー消耗を低減させる少なくとも1つのエコドライビング経路を生成し、
前記エコドライビング経路をダイナミック経路(Dynamic Path)、ノーマル経路(Normal Path)、及びマイルド経路(Mild Path)のうちのいずれか1つに各々区分することを特徴とする請求項1乃至4のいずれかに記載の電気自動車のエコドライビングシステム。 - 前記制御部は、
前記運転者の運転性向が攻撃的であれば前記ダイナミック経路を、前記運転性向が一般的であれば前記ノーマル経路を、前記運転性向が防御的であれば前記マイルド経路を優先して前記エコドライビング経路として選定することを特徴とする請求項5に記載の電気自動車のエコドライビングシステム。 - 前記データベース部は、
前記三次元地理情報を保存し、前記運転者の前記エコドライビング経路の利用履歴による既走行情報を保存することを特徴とする請求項1乃至6のいずれかに記載の電気自動車のエコドライビングシステム。 - タッチスクリーンなどの入出力が可能な表示装置で、前記電気自動車用のエコルーティングメニューを表示して、経路生成のための前記目的地を受信する入出力表示部をさらに含むことを特徴とする請求項1乃至7のいずれかに記載の電気自動車のエコドライビングシステム。
- a)経路生成部が電気自動車の現在位置から目的地までの走行可能な少なくとも1つの候補経路を生成する段階と、
b)情報収集部がリアルタイム交通情報、気象情報、及び車両空調負荷量を収集する段階と、
c)エネルギー消費量算出部が前記候補経路別の三次元地理情報、前記リアルタイム交通情報、気象情報、及び車両空調負荷量に基づいて各候補経路別のエネルギー消費量を算出する段階と、
d)運転者性向把握部が運転者の前記電気自動車の操作による運転パターンを分析して、運転性向を把握する段階と、
e)制御部が前記候補経路の中から前記運転者の運転性向に合う候補経路を選定して電気自動車用のエコドライビング経路を案内する段階と、を含み、
前記d)段階は、
前記運転者のアクセルペダル操作による操作頻度及び速度を算出する段階と、
前記運転者のステアリング操作による操作頻度及び速度を算出する段階と、
前記運転者のブレーキペダル操作によるブレーキ操作頻度及び速度を算出する段階と、
前記運転者のアクセルペダル、ステアリング、及びブレーキペダル操作頻度及び速度を設定基準データと比較して、攻撃的(Aggressive)、一般的(Normal)、及び防御的(Defensive)性向のうちのいずれか1つと判断する段階と、を含むことを特徴とする電気自動車のエコドライビング案内方法。 - 前記a)段階は、
前記経路生成部が、保存された既走行経路に前記候補経路が存在すれば、前記既走行経路から前記三次元地理情報を抽出し、前記候補情報が存在しなければ、ADAS(Advanced Driver Assistance System)マップを通して前記候補経路の三次元地理情報を生成することを特徴とする請求項9に記載の電気自動車のエコドライビング案内方法。 - 前記c)段階は、
前記三次元地理情報に含まれる三次元座標(X、Y、Z)、曲率(カーブ)情報、勾配情報、及び交通スケジュール情報、そして前記リアルタイム交通情報に基づいて車両動力学の側面からエネルギー消費量を算出する段階と、
前記気象情報に含まれている路面、風向き、及び風速情報に基づいて路面の状態及び横風負荷による車両のエネルギー消費量を算出する段階と、
車両空調システムの前記空調負荷量によるエネルギー消費量を算出する段階と、を含むことを特徴とする請求項9又は10に記載の電気自動車のエコドライビング案内方法。 - 前記e)段階は、
前記電気自動車のエネルギー消耗を低減させる少なくとも1つのエコドライビング経路を生成し、前記エコドライビング経路をダイナミック経路(Dynamic Path)、ノーマル経路(Normal Path)、及びマイルド経路(Mild Path)のうちのいずれか1つに各々区分する段階を含むことを特徴とする請求項9乃至11のいずれかに記載の電気自動車のエコドライビング案内方法。 - 前記e)段階は、
前記運転者の前記攻撃的、一般的、及び防御的運転性向に対応して、前記ダイナミック経路、ノーマル経路、及びマイルド経路を優先して前記エコドライビング経路を選定することを特徴とする請求項12に記載の電気自動車のエコドライビング案内方法。
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