JP6340399B2 - エンジン負荷報告方策を決定するための装置および方法 - Google Patents
エンジン負荷報告方策を決定するための装置および方法 Download PDFInfo
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- JP6340399B2 JP6340399B2 JP2016222182A JP2016222182A JP6340399B2 JP 6340399 B2 JP6340399 B2 JP 6340399B2 JP 2016222182 A JP2016222182 A JP 2016222182A JP 2016222182 A JP2016222182 A JP 2016222182A JP 6340399 B2 JP6340399 B2 JP 6340399B2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
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- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/025—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Automation & Control Theory (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Transportation (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Testing Of Engines (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
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Description
全出力使用量は、図3に示されるように、幾つかの成分に基づいて推定される。
空力出力成分は、空気抵抗を克服するために費やされる出力である。
加速度出力成分は、車両の速度を増大させるために使用される出力である。
これらの成分は以下の方程式によって関連付けられる。
方程式2:全出力使用量=転がり出力+空力出力+加速度出力
転がり出力成分は、以下によって要約されてもよい。
方程式3.転がり出力=摩擦係数×車両質量×9.81×速度
・前面投影面積(m2)
・空気抵抗係数(Cd)
・転がり抵抗係数(f)
・ピーク出力(kW)
・con_ign_on=真
・con_eng_speed_valid=偽
・con_veh_speed_valid=偽
・アクティブOBD接続(NVM値ではなく、現在の傍受接続)
・con_ign_on=真
・マイクロコンピュータを用いたブルートゥース(登録商標)接続
{*p_dest++=8;}
appc_gps_overide_snif_rp==FALSE(この値は我々に影響を及ぼしてはならない。それがTomTomのmsgにおいて当然だからである)
appc_gps_overide_obd==TRUE
appc_gps_overide_snif_rp==TRUE(この値は我々に影響を及ぼしてはならない。それがTomTomのmsgにおいて当然だからである)
appc_gps_overide_obd==FALSE
・Citroen ZX 1.9 期待値=52mpg、モデル結果=53.02mpg
・車両質量(kg)=1200kg
・前面投影面積(m2)=2.13m2
・空気抵抗係数(Cd)=0.33
・転がり抵抗係数(f)=0.02(ファッジ係数が0.5に設定される)
・車両質量(kg)=1900kg
・前面投影面積(m2)=3.25m2
・空気抵抗係数(Cd)=0.38
・転がり抵抗係数(f)=0.02(ファッジ係数が0.5に設定される)
・Scania R430 期待値=8.75mpg、モデル結果=8.32mpg
・車両質量(kg)=23500kg
・前面投影面積(m2)=10.0m2
・空気抵抗係数(Cd)=0.42
・転がり抵抗係数(f)=0.007(ファッジ係数が0.5に設定される)
・Iveco Stralis rigid6×2 tag axle 期待値=8.77mpg、モデル結果=6.42mpg
・車両質量(kg)=21000kg
・前面投影面積(m2)=10.0m2
・空気抵抗係数(Cd)=0.42
・転がり抵抗係数(f)=0.007(ファッジ係数が0.5に設定される)
Claims (24)
- 複数の想定し得るエンジン負荷報告方策のうちのいずれがエンジンを伴う車両の車載診断システムによって使用されるのかを見出すための装置であって、
車載診断システムパラメータの読みを検査する検査手段と、
前記検査手段における車載診断システムパラメータの読みを用いてエンジン負荷を決定するエンジン負荷決定手段と、
前記エンジンがアイドリング状態で運転されている期間を特定する特定手段と、
エンジンがアイドリング状態であってクラッチが係合していない状態におけるエンジン負荷と、前記エンジンがアイドリング状態で作動しているときのエンジン負荷であるエンジン負荷閾値との比較を行なう比較手段であって、前記エンジンがアイドリング状態で運転されているときに前記比較を行なうように構成された比較手段と、
前記比較手段においてエンジン負荷がエンジン負荷閾値を下回る旨決定された場合は、最大トルクのパーセンテージを報告するようにエンジン負荷報告方策を決定し、前記比較手段においてエンジン負荷がエンジン負荷閾値を上回る旨決定された場合は、所定のエンジン速度における出力のパーセンテージを報告するようにエンジン負荷報告方策を決定する報告方策決定手段と、
を有する装置。 - 前記特定手段は、前記車載診断システムパラメータの読みを用いて前記エンジンがアイドリングしている期間を特定する請求項1に記載の装置。
- 前記特定手段は、エンジン速度とアイドリング速度閾値とを比較することによって、前記エンジンがアイドリングしている期間を特定する請求項2に記載の装置。
- 前記エンジンが作動していた時間を考慮に入れてアイドリング速度閾値を調整する手段を更に備える請求項3に記載の装置。
- 前記アイドリング速度閾値は、エンジン温度を考慮に入れて調整される請求項4に記載の装置。
- エンジン排気量を考慮に入れて前記アイドリング速度閾値を調整する手段を備える請求項4または5に記載の装置。
- 前記エンジンの燃料タイプを考慮に入れて前記アイドリング速度閾値を調整する手段を備える請求項4〜6のいずれか1項に記載の装置。
- クラッチプレートが係合した状態において車両が静止状態に保持されていることを検出したときは、エンジン負荷がエンジン負荷閾値を上回っていると決定し、その旨を報告方策決定手段に報告するクラッチチェック手段を更に備える請求項1〜7の何れか1項に記載の装置。
- 前記クラッチチェック手段は、エンジン負荷決定手段で決定されたエンジン負荷とエンジン負荷閾値とを比較する請求項8に記載の装置。
- エンジンが作動していることをチェックするエンジンチェック手段を更に備え、前記エンジンチェック手段においてエンジンが作動していないと判断された場合は、車載診断システムパラメータの読み込みを行なわない請求項1〜9のいずれか一項に記載の装置。
- 報告方策決定手段で決定されたエンジン負荷報告方策が所定の時間閾値前と後とで同一であるか否かを判断し、エンジン負荷報告方策が所定の時間閾値前と後とで同一であった場合に、前記エンジン負荷報告方策を固定する持続性チェック手段を更に備える請求項1〜10のいずれか一項に記載の装置。
- 報告方策決定手段で決定されたエンジン負荷報告方策を記憶するためのラッチ回路を更に備える請求項1〜11のいずれか一項に記載の装置。
- 複数の想定し得るエンジン負荷報告方策のうちのいずれがエンジンを伴う車両の車載診断システムによって使用されるのかを電子的に決定する方法であって、
車載診断システムパラメータの読みを検査するステップと、
前記車載診断システムパラメータの読みを用いてエンジン負荷を決定するエンジン負荷決定ステップと、
前記エンジンがアイドリング状態で運転されている期間を特定するステップと、
エンジンがアイドリング状態であってクラッチが係合していない状態におけるエンジン負荷と、前記エンジンがアイドリング状態で作動しているときのエンジン負荷であるエンジン負荷閾値との比較を行なうステップと、
前記比較においてエンジン負荷がエンジン負荷閾値を下回る旨決定された場合は、最大トルクのパーセンテージを報告するようにエンジン負荷報告方策を決定し、前記比較においてエンジン負荷がエンジン負荷閾値を上回る旨決定された場合は、所定のエンジン速度における出力のパーセンテージを報告するようにエンジン負荷報告方策を決定するステップと、
を有する方法。 - 前記エンジンがアイドリングしている期間は、前記車載診断システムパラメータの読みを用いて特定される請求項13に記載の方法。
- 前記エンジンがアイドリング状態で運転されている期間を特定するステップは、エンジン速度の車載診断システムパラメータとアイドリング速度閾値とを比較するステップを更に含む請求項14に記載の方法。
- 前記エンジンが作動していた時間を考慮に入れてアイドリング速度閾値を調整するステップを更に有する請求項14に記載の方法。
- エンジン温度を考慮に入れてアイドリング速度閾値を調整するステップを更に有する請求項15または16に記載の方法。
- エンジン排気量を考慮に入れてアイドリング速度閾値を調整するステップを更に有する請求項15〜17のいずれか1項に記載の方法。
- 前記エンジンの燃料タイプを考慮に入れてアイドリング速度閾値を調整するステップを更に備える請求項15〜17のいずれか1項に記載の方法。
- クラッチプレートが係合した状態において車両が静止状態に保持されていることを検出したときは、エンジン負荷がエンジン負荷閾値を上回っていると決定するクラッチチェックを行なうステップを更に有し、報告方策決定を行なうステップにおいては、前記ステップにおける決定に基づいて報告方策決定を行なう請求項13〜19のいずれか一項に記載の方法。
- 前記クラッチチェックは、エンジン負荷決定ステップで決定されたエンジン負荷とエンジン負荷閾値とを比較することにより実施される請求項20に記載の方法。
- エンジンが作動していることをチェックするステップを更に有し、前記ステップにおいてエンジンが作動していないと判断された場合は、車載診断システムパラメータの読み込みを行なわない請求項13〜21のいずれか一項に記載の方法。
- 報告方策決定ステップで決定されたエンジン負荷報告方策が所定の時間閾値前と後とで同一であるか否かを判断し、エンジン負荷報告方策が所定の時間閾値前と後とで同一であった場合に、前記エンジン負荷報告方策を固定するステップを更に有する請求項13〜22のいずれか一項に記載の方法。
- 報告方策決定手段で決定されたエンジン負荷報告方策をラッチ回路を用いて記憶するステップを更に有する請求項13〜23のいずれか一項に記載の方法。
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TWI740968B (zh) | 2016-06-21 | 2021-10-01 | 日商Ckd股份有限公司 | 流體控制閥製造方法 |
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