JP2016513044A - 調整可能なダンパ用弁切換制御 - Google Patents
調整可能なダンパ用弁切換制御 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
- B60G17/08—Characteristics of fluid dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
- B60G17/01908—Acceleration or inclination sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3292—Sensor arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/463—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall characterised by electrical connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/464—Control of valve bias or pre-stress, e.g. electromagnetically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
- B60G2202/24—Fluid damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/11—Mounting of sensors thereon
- B60G2204/112—Mounting of sensors thereon on dampers, e.g. fluid dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/17—Magnetic/Electromagnetic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
- B60G2500/11—Damping valves
- B60G2500/114—Damping valves pressure regulating valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/18—Automatic control means
- B60G2600/182—Active control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/71—Distributed control; Master - slave controllers; Remote control units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/16—Running
- B60G2800/162—Reducing road induced vibrations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
本願は、2014年2月27日に出願された米国特許出願第14/191,885号明細書に対する優先権を主張し、さらに、2013年2月28日に出願された米国仮特許出願第61/770,426号明細書の利益を主張するものである。上記出願の開示全体は、参照により本明細書に援用されるものとする。
Claims (20)
- 車両用のダンパシステムであって、
複数のデジタル弁を有し、前記複数のデジタル弁のそれぞれが制御可能に第1の位置または第2の位置に至るショックアブソーバであって、前記複数のデジタル弁に基づき、複数の制振状態の1つで動作可能であるショックアブソーバと、
前記デジタル弁のそれぞれに電気的に接続され、マスタモジュールから受信したダンパ設定に基づき、前記デジタル弁のそれぞれを所望の位置に制御し、前記デジタル弁を前記第1の位置から前記第2の位置に切り換えるための作動電流パルスを加えるダンパモジュールと、
を含み、前記所望の位置は、前記第1の位置または前記第2の位置のいずれかであり、前記ダンパモジュールは、前記ダンパ設定に基づき、前記ショックアブソーバの目標制振状態を定め、前記目標制振状態は、前記複数の制振状態の1つであり、前記ダンパモジュールは、前記目標制振状態が現在の制振状態と異なる場合に、前記複数のデジタル弁を所与の望ましい位置に制御する切換動作を行う、ダンパシステム。 - 前記ダンパモジュールは、前記デジタル弁のそれぞれを主弁または二次弁のいずれかとして前もって定め、前記デジタル弁は、前記主弁が第1の位置から前記第2の位置に切り換わった後、かつ前もって設定された時間が経過した後、前記二次弁として、前記第1の位置から前記第2の位置に切り換わる、請求項1に記載のダンパシステム。
- 前記ダンパモジュールは、前記現在の制振状態および前記目標制振状態に基づき、前記複数のデジタル弁の少なくとも1つが、前記第1の位置から前記第2の位置に切り換わるべきかどうかを判断し、
前記複数のデジタル弁の中から1つのデジタル弁が切り換わる場合に、前記ダンパモジュールは、前記1つのデジタル弁を前記第1の位置から前記第2の位置に切り換え、
前記複数のデジタル弁の中から2つ以上のデジタル弁が切り換わる場合に、前記ダンパモジュールは、前記2つ以上のデジタル弁の中からの主弁を前記第1の位置から前記第2の位置に切り換え、主弁の後、かつ前もって設定した時間が経過した後、前記2つ以上のデジタル弁からの非主デジタル弁を前記第1の位置から前記第2の位置に切り換え、前記主弁は、前記非主デジタル弁よりも大きい流れ領域を有する、請求項1に記載のダンパシステム。 - 前記複数のデジタル弁のそれぞれは、主弁または二次弁として規定され、前記デジタル弁は、前記主弁として、前記二次弁よりも大きい流れ領域を有し、
前記ダンパモジュールは、前記現在の制振状態および目標制振に基づき、前記複数のデジタル弁のうちのどれを前記第1の位置から前記第2の位置に切り換えるべきかを判断し、2つ以上のデジタル弁が、前記第1の位置から前記第2の位置に切り換わる場合に、前記ダンパモジュールは、一度に1つのデジタル弁ずつ前記1つまたは複数のデジタル弁を切り換え、各切換間には前もって設定された時間が設けられ、2つ以上のデジタルが前記主弁を含む場合に、前記主弁は、前記二次弁よりも前に切り換わる、請求項1に記載のダンパシステム。 - 前記切換動作には、ずらし制御および状態移行制御が含まれ、前記ずらし制御は、主弁と二次弁との間に時間遅延を生じさせ、それにより、前記主弁が前記二次弁よりも前に前記第1の位置から前記第2の位置に切り換わるようにし、前記状態移行制御は、前記デジタル弁の1つまたは複数を切り換え、それにより、前記ショックアブソーバが前記目標制振状態で動作する前に過渡制振状態で動作するようにし、前記過渡制振状態は、前記目標制振状態および現在の制振状態とは異なる前記複数の制振状態の1つであり、前記主弁および前記二次弁は、前記複数のデジタル弁の中に含まれる、請求項1に記載のダンパシステム。
- 前記マスタモジュールは、前記ダンパモジュールから離れて前記車両に配置される、請求項1に記載のダンパシステム。
- 前記ダンパモジュールは、前記現在の制振状態が前記目標制振状態と異なる場合に、前記切換動作として二次制御を利用する、請求項1に記載のダンパシステム。
- 前記ダンパモジュールは、前記複数のデジタル弁の中から、すでに前記第2の位置にある対象となるデジタル弁に前記作動電流パルスを周期的に加える、請求項1に記載のダンパシステム。
- 前記ダンパモジュールは、前記ショックアブソーバの温度が、前もって設定された閾値未満である場合に、前記複数のデジタル弁の中から、前記第2の位置にある対象となるデジタル弁に前記作動電流パルスを加える、請求項1に記載のダンパシステム。
- 前記ショックアブソーバは、前記複数のデジタル弁としてN個のデジタル弁を含み、Nは整数であり、前記ショックアブソーバは、前記複数の制振状態として、2N個の制振状態を有する、請求項1に記載のダンパシステム。
- 前記ダンパモジュールは、前記複数のデジタル弁の中から、対象となるデジタル弁を前記第2の位置に維持するために保持電流パルスを加え、前記対象となるデジタル弁を前記第2の位置から前記第1の位置に切り換えるために前記保持電流パルスを切る、請求項1に記載のダンパシステム。
- 前記ダンパモジュールは、前記複数のデジタル弁の中から、対象となるデジタル弁を前記第2の位置から前記第1の位置に切り換えるために逆電流パルスを加える、請求項1に記載のダンパシステム。
- 前記ダンパモジュールは、前記ショックアブソーバの加速度が、前もって設定された閾値以上である場合に、前記複数のデジタル弁の中から、前記第2の位置にある対象となるデジタル弁に作動電流パルスを加える、請求項1に記載のダンパシステム。
- 車両用のダンパシステムであって、
複数のデジタル弁を有し、前記複数のデジタル弁のそれぞれが弁状態をオン状態またはオフ状態のいずれかとして有するショックアブソーバであって、前記複数のデジタル弁の弁状態に基づき、複数の制振状態の1つで動作可能であるショックアブソーバと、
前記デジタル弁のそれぞれに電気的に接続され、マスタモジュールから受信したダンパ設定に基づき、前記デジタル弁のそれぞれを所望の状態に制御するダンパモジュールと、
を含み、前記ダンパモジュールは、前記ダンパ設定に基づき、前記ショックアブソーバの目標制振状態を定め、前記目標制振状態は、前記複数の制振状態の1つであり、前記ダンパモジュールは、前記ショックアブソーバを前記目標制振状態で動作させるために、前記複数のデジタル弁の前記弁状態を所与の望ましい状態に制御する、ダンパシステム。 - 前記ダンパモジュールは、前記ショックアブソーバを第1の制振状態から、前記第1の制振状態とは異なる第2の制振状態に動作させる所定の切換ロジックを含み、前記第1の制振状態および前記第2の制振状態は、前記複数の制振状態の中に含まれ、前記所定の切換ロジックは、前記第1の制振状態から前記第2の制振状態に切り換わる時間が、前記第2の制振状態から前記第1の制振状態に切り換わる時間と異なるように、前記複数のデジタル弁を制御する、請求項14に記載のダンパシステム。
- 前記現在の制振状態が、前記目標制振状態と異なる場合に、前記ダンパモジュールは、前記ショックアブソーバを前記目標制振状態で動作させる前に、前記ショックアブソーバを過渡制振状態で動作させるように、前記複数のデジタル弁を制御し、前記過渡制振状態は、前記目標制振状態および前記現在の制振状態とは異なる前記複数の制振状態の1つである、請求項14に記載のダンパシステム。
- 前記過渡制振状態は、前記目標制振状態を越える前記複数の制振状態の1つとして設定され、そのため、前記目標制振状態が前記現在の制振状態よりも大きい場合に、前記過渡制振状態は、前記目標制振状態よりも大きく設定され、前記目標制振状態が前記現在の制振状態よりも小さい場合に、前記過渡制振状態は、前記目標制振状態よりも小さく設定される、請求項14に記載のダンパシステム。
- 前記ダンパモジュールは、前記ショックアブソーバを前記目標制振状態で動作させる前に、前記ショックアブソーバを過渡制振状態で動作させるように、前記デジタル弁を制御し、前記過渡制振状態は、前記複数の制振状態の2つの隣接する制振状態間にあり、前記目標制振状態および前記現在の制振状態とは異なる、請求項14に記載のダンパシステム。
- 前記ダンパモジュールは、前記ショックアブソーバを前記目標制振状態で動作させる前に、前記ショックアブソーバを複数の過渡制振状態で動作させるように、前記複数のデジタル弁を制御し、前記複数の過渡制振状態は、前記複数の制振状態の中に含まれ、前記目標制振状態および現在の制振とは異なる、請求項14に記載のダンパシステム。
- 前記ダンパモジュールは、第1の制振状態から、前記第1の制振状態とは異なる第2の制振状態に移行するための切換遅延を規定する、前もって設定されたロジックテーブルに基づいて前記複数のデジタル弁を制御し、前記規定された切換遅延は、前記第1の制振状態から前記第2の制振状態に切り換わる時間が、前記第2の制振状態から前記第1の制振状態に切り換わる時間と異なるように、前記複数のデジタル弁を制御する、請求項14に記載のダンパシステム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361770426P | 2013-02-28 | 2013-02-28 | |
US61/770,426 | 2013-02-28 | ||
US14/191,885 | 2014-02-27 | ||
US14/191,885 US9217483B2 (en) | 2013-02-28 | 2014-02-27 | Valve switching controls for adjustable damper |
PCT/US2014/019426 WO2014134453A1 (en) | 2013-02-28 | 2014-02-28 | Valve switching controls for adjustable damper |
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2014
- 2014-02-27 US US14/191,885 patent/US9217483B2/en active Active
- 2014-02-28 EP EP14756547.7A patent/EP2962011B1/en active Active
- 2014-02-28 JP JP2015560351A patent/JP6405323B2/ja active Active
- 2014-02-28 CN CN201480011134.1A patent/CN105026789B/zh active Active
- 2014-02-28 BR BR112015020450A patent/BR112015020450A2/pt not_active IP Right Cessation
- 2014-02-28 WO PCT/US2014/019426 patent/WO2014134453A1/en active Application Filing
- 2014-02-28 EP EP17207671.3A patent/EP3323648B1/en active Active
- 2014-02-28 KR KR1020157023797A patent/KR20150121019A/ko active IP Right Grant
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2015
- 2015-11-20 US US14/947,222 patent/US9925842B2/en active Active
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2018
- 2018-01-16 US US15/872,451 patent/US20180141401A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
EP2962011A1 (en) | 2016-01-06 |
KR20150121019A (ko) | 2015-10-28 |
US20180141401A1 (en) | 2018-05-24 |
US20160082803A1 (en) | 2016-03-24 |
EP3323648B1 (en) | 2019-05-01 |
WO2014134453A1 (en) | 2014-09-04 |
CN105026789B (zh) | 2017-06-06 |
EP3323648A2 (en) | 2018-05-23 |
JP6405323B2 (ja) | 2018-10-17 |
US9217483B2 (en) | 2015-12-22 |
CN105026789A (zh) | 2015-11-04 |
US9925842B2 (en) | 2018-03-27 |
EP3323648A3 (en) | 2018-06-06 |
EP2962011A4 (en) | 2016-08-31 |
US20140244112A1 (en) | 2014-08-28 |
BR112015020450A2 (pt) | 2017-07-18 |
EP2962011B1 (en) | 2018-02-21 |
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