JPS6218309A - Toe-angle controller for rear wheel of car - Google Patents

Toe-angle controller for rear wheel of car

Info

Publication number
JPS6218309A
JPS6218309A JP60158680A JP15868085A JPS6218309A JP S6218309 A JPS6218309 A JP S6218309A JP 60158680 A JP60158680 A JP 60158680A JP 15868085 A JP15868085 A JP 15868085A JP S6218309 A JPS6218309 A JP S6218309A
Authority
JP
Japan
Prior art keywords
rear wheel
toe angle
vehicle speed
car speed
toe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP60158680A
Other languages
Japanese (ja)
Inventor
Yukio Koshida
越田 幸男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daihatsu Motor Co Ltd
Original Assignee
Daihatsu Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daihatsu Motor Co Ltd filed Critical Daihatsu Motor Co Ltd
Priority to JP60158680A priority Critical patent/JPS6218309A/en
Publication of JPS6218309A publication Critical patent/JPS6218309A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • B60G7/006Attaching arms to sprung or unsprung part of vehicle, characterised by comprising attachment means controlled by an external actuator, e.g. a fluid or electrical motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • B60G2200/14Independent suspensions with lateral arms
    • B60G2200/144Independent suspensions with lateral arms with two lateral arms forming a parallelogram
    • B60G2200/1442Independent suspensions with lateral arms with two lateral arms forming a parallelogram including longitudinal rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • B60G2200/18Multilink suspensions, e.g. elastokinematic arrangements
    • B60G2200/182Multilink suspensions, e.g. elastokinematic arrangements with one longitudinal arm or rod and lateral rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/40Indexing codes relating to the wheels in the suspensions
    • B60G2200/462Toe-in/out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40Type of actuator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40Type of actuator
    • B60G2202/42Electric actuator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/14Mounting of suspension arms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/14Mounting of suspension arms
    • B60G2204/143Mounting of suspension arms on the vehicle body or chassis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/419Gears
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/422Links for mounting suspension elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/62Adjustable continuously, e.g. during driving

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Power Steering Mechanism (AREA)

Abstract

PURPOSE:To obtain the superior traveling performance over the whole speed range by providing a rear-wheel suspension means equipped with a driving mechanism for varying the toe angle of the rear wheel and operation-controlling the driving mechanism according to the car speed data. CONSTITUTION:A rear wheel suspension means 1 in dual link strat system is equipped with front and rear arms 3 and 4 in pairs, and the basic edge of the front arm 3 is supported onto a body-side bracket 6, and the rear arm 4 is arranged in slidable ways. The rear arm 4 is connected to a screw cylinder 8 through a ball joint 7, and said screw cylinder 8 is screwed with the screw part 10 in the mutual reverse screw form at the both edges of a driving shaft 9. Said driving shaft 9 is revolved through a deceleration gear train 11 by the operation of a control motor 12, and said control motor 12 is controlled by a controller 15 so that the toe angle theta of the rear wheel 2 becomes zero, when the car speed detected by a car speed sensor 16 is a prescribed value (e.g., 60km/h) or less, and the toe angle theta increases on the toe-in side when the car speed is over the prescribed value.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は自動車における後輪のトー角制御装置に関する
ものである。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a toe angle control device for a rear wheel in an automobile.

。 (従来の技術) 自動車の旋回時における走行安定性を維持するために、
旋回時に後輪のトーカが自動的に変化する先行技術が実
開昭59−87305号公報に開示されている。
. (Prior art) In order to maintain running stability when a car turns,
A prior art technique in which the rear wheel talker automatically changes when turning is disclosed in Japanese Utility Model Application Publication No. 59-87305.

(発明が解決しようとする問題点) 自動車の走行性能として、走行安定性に優れることと、
操縦性に優れる。ことが重要であるが、両者を兼ね備え
ることは設針上困難である。
(Problems to be solved by the invention) The driving performance of an automobile is to have excellent driving stability;
Excellent maneuverability. Although this is important, it is difficult to achieve both at the same time.

そこで自動車の速度と、走行安定性及び操縦性との関係
を見ると、高速運転時には走行安定性が、中低速運転時
には操縦性が夫々重視された設計が行われると好都合で
ある。
Therefore, looking at the relationship between vehicle speed, running stability, and maneuverability, it would be advantageous to design a vehicle that emphasizes running stability when driving at high speeds, and maneuverability when driving at medium to low speeds.

自動車の走行性能に大きく影響する後輪のトーカの制御
についても、同様の観点から為され  ゛るべきもので
ある。上記先行技術は、旋回という走行条件に対する後
輪のトー角制御について言及するが、自動車の速度と後
輪のトー角制御については言及していない。
Rear wheel talker control, which greatly affects the driving performance of a car, should be done from a similar perspective. The above-mentioned prior art mentions rear wheel toe angle control for the driving condition of turning, but does not mention the rear wheel toe angle control for the speed of the vehicle.

本発明は上記に鑑み、高速運転時には走行安定性が重視
され、中低速運転時には操縦性が重視されることによっ
て、全速度範囲にわたって好都合な走行性能が維持され
る後輪のトー角制御装置を提供することを目的とする。
In view of the above, the present invention provides a rear wheel toe angle control device that maintains favorable driving performance over the entire speed range by placing emphasis on driving stability during high-speed driving and on maneuverability during medium-low speed driving. The purpose is to provide.

(問題点を解決するための手段) 本発明は上記目的を達成するために、後輪のトー角を変
化させる駆動機構を備えた後輪懸架手段と、車速を測定
する車速センサと、車速センサからの車速データに応じ
て前記駆動機構を作動させ、後輪のトー角を所定値に設
定するコントローラからなる自動車における後輪のトー
角制御装置を提供するものである。
(Means for Solving the Problems) In order to achieve the above object, the present invention provides a rear wheel suspension means equipped with a drive mechanism that changes the toe angle of the rear wheels, a vehicle speed sensor that measures vehicle speed, and a vehicle speed sensor. The present invention provides a rear wheel toe angle control device for an automobile, which includes a controller that operates the drive mechanism according to vehicle speed data from the vehicle and sets the rear wheel toe angle to a predetermined value.

(作用) コントローラの記憶部に高速運転時には後輪のトー角を
イン側に大きく設定するデータを、中低速運転時には前
記トー角をイン側に小さく設定する(零、或いはアウト
側に設定してもよい。)データを与えておけば、前記車
速センサの車速データに応じ、コントローラの制御下、
前記駆動機構が作動して、高速運転時には後輪のトー角
をイン側に大きく設定でき、走行安定性を確保できる一
方、中低速運転時には前記トー角をイン側に小さく設定
でき、操縦性に優れた状態とすることができる。
(Function) Data is stored in the memory of the controller to set the toe angle of the rear wheels to be large towards the inside during high speed driving, and to set the toe angle to be small towards the inside during medium to low speed driving (zero or set to the outside). ) If the data is given, the controller will control the vehicle according to the vehicle speed data of the vehicle speed sensor.
When the drive mechanism is activated, the toe angle of the rear wheels can be set large toward the inside during high-speed driving, ensuring driving stability, while the toe angle can be set small toward the inside during medium-low speed driving, improving maneuverability. It can be in excellent condition.

(実施例) 第1図及び第2図に示す本発明の実施例は、デュアルリ
ンク−ストラット方式の後輪懸架手段lに支持された後
輪2のトーカθを制御する装置に関するものである。
(Embodiment) The embodiment of the present invention shown in FIGS. 1 and 2 relates to a device for controlling the talker θ of a rear wheel 2 supported by a dual link-strut type rear wheel suspension means l.

自動車の車体後部の左右に配された前記後輪懸架手段1
の夫々は、前後1対のアーム3.4を備え、後アーム4
がスライド可能に配設されている。この後アーム4が第
1図矢印方向に移動すると、車輪支持体5が回転して後
輪2のトーカθがイン側に増大する。前アーム3はその
基端をボデー側ブラケット6に支持されている後アーム
4はボールジライント7を介してネジ筒8に接続され、
このネジ筒8は駆動軸9のネジ部10に螺合している。
The rear wheel suspension means 1 arranged on the left and right sides of the rear part of the vehicle body.
each includes a pair of front and rear arms 3.4, and a rear arm 4.
is arranged so that it can slide. When the rear arm 4 moves in the direction of the arrow in FIG. 1, the wheel support 5 rotates and the talker θ of the rear wheel 2 increases inward. The front arm 3 has its base end supported by a body-side bracket 6, and the rear arm 4 is connected to a threaded cylinder 8 via a ball bolt 7.
This threaded cylinder 8 is screwed into a threaded portion 10 of a drive shaft 9.

駆動軸9の両端に位置する左右のネジ部10は、一方が
右ネジに、他方が左ネジに形成されているので、ターン
バックルと同様に、駆動軸9の゛−力方向回転に対し、
左右のネジ筒8は夫々矢印方向に移動する一方、駆動軸
9の他方向の回転に対し、左右のネジ筒8は夫々矢印方
向と逆方向に移動する。又駆動軸9は減速歯車列11を
介して制御モータ12に接続している。
The left and right threaded parts 10 located at both ends of the drive shaft 9 are formed so that one has a right-hand thread and the other has a left-hand thread, so that, like a turnbuckle, the rotation of the drive shaft 9 in the force direction is
The left and right threaded barrels 8 move in the directions of the arrows, respectively, and when the drive shaft 9 rotates in the other direction, the left and right threaded barrels 8 move in the opposite direction to the arrowed directions. The drive shaft 9 is also connected to a control motor 12 via a reduction gear train 11.

以Eのように本実施例では、制御モータ12、減速歯車
列11、駆動軸9、ネジ筒8、後アーム4などによって
、後輪2のトーカθを変化させる駆動機構17を構成し
ているが、この駆動機構17の態様は上記のものに限定
されないことは勿論である。尚、第1図において、13
はネジ筒8をスライド自在に支持する軸受、14は制御
モータ12及び減速歯車列11を収納するケースである
16は自動車の車速を測定する車速センサである。この
車速センサ16としては、スピードメータケーブルの回
転を磁気的又は光学的に検知して直接車速を測定するも
のを用いることが好適であるが、エンジン回転数及びシ
フト位置を検知して間接的に車速を測定するものを用い
ることも可能である。
As shown in E, in this embodiment, the control motor 12, reduction gear train 11, drive shaft 9, threaded tube 8, rear arm 4, etc. constitute a drive mechanism 17 that changes the talker θ of the rear wheel 2. However, it goes without saying that the mode of this drive mechanism 17 is not limited to the above. In addition, in Figure 1, 13
Reference numeral 14 is a case that houses the control motor 12 and the reduction gear train 11. Reference numeral 16 is a vehicle speed sensor that measures the vehicle speed of the automobile. It is preferable to use a vehicle speed sensor 16 that directly measures the vehicle speed by magnetically or optically detecting the rotation of the speedometer cable, but indirectly by detecting the engine speed and shift position. It is also possible to use something that measures vehicle speed.

15は車速センサ16からの車速データに応じて、前記
駆動機構17を作動させ、後輪2のトーカθを所定値に
設定するコントローラである。このコントローラ15に
は、第2図に示すように、車速に対応するトーカθの設
定値が制御データとして記憶されており、且つこれを実
行するプログラムが与えられている。従って、第2図に
示す場合には、車速か60に+m/h以下のときは後輪
2のトーカθは0であり、車速か80Ks/hを越える
と、車速の増大に伴い前記トーカθがイン側に2次関数
的に増大する。
A controller 15 operates the drive mechanism 17 in accordance with vehicle speed data from the vehicle speed sensor 16, and sets the talker θ of the rear wheel 2 to a predetermined value. As shown in FIG. 2, the controller 15 stores the set value of the talker θ corresponding to the vehicle speed as control data, and is provided with a program for executing this. Therefore, in the case shown in FIG. 2, when the vehicle speed is less than 60 + m/h, the talker θ of the rear wheel 2 is 0, and when the vehicle speed exceeds 80 Ks/h, the talker θ is 0 as the vehicle speed increases. increases quadratically on the inside.

この結果、高速運転時には、後輪のトーカθがイン側に
大きくとられるので、走行安定性が良好となる。他方、
60Km/h以下の中低速運転時には、前記トーカθが
0に設定されているので、操縦性に優れ、機敏なハンド
リング操作を行うことができる。
As a result, during high-speed driving, the talker θ of the rear wheels is set largely toward the inside, resulting in good running stability. On the other hand,
During medium-low speed operation of 60 km/h or less, the talker θ is set to 0, so maneuverability is excellent and agile handling operations can be performed.

コントローラ15の記憶部に記憶される制御データは、
車種、走行条件になどによって最適値に設定でき、又そ
の変更を容易に行えるように構成することも可能である
The control data stored in the storage section of the controller 15 is
It is possible to set the optimum value depending on the vehicle type, driving conditions, etc., and it is also possible to configure the setting so that it can be easily changed.

(発明の効果) 本発明は一ヒ記構成を有するので、車速に応じて後輪の
トー角を最適に制御することができ、走行安定性及び操
縦性を車速との関係で良好な状態に維持することができ
るという効果がある
(Effects of the Invention) Since the present invention has the configuration described above, it is possible to optimally control the toe angle of the rear wheels according to the vehicle speed, and to maintain running stability and maneuverability in a good state in relation to the vehicle speed. It has the effect of being able to maintain

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の実施例を示す平面図、第2図はそのコ
ントローラによって制御される車速と後輪のトー角との
関係を示すグラフである。
FIG. 1 is a plan view showing an embodiment of the present invention, and FIG. 2 is a graph showing the relationship between the vehicle speed controlled by the controller and the toe angle of the rear wheels.

Claims (1)

【特許請求の範囲】[Claims] (1)後輪のトー角を変化させる駆動機構を備えた後輪
懸架手段と、車速を測定する車速センサと、車速センサ
からの車速データに応じて前記駆動機構を作動させ、後
輪のトー角を所定値に設定するコントローラとからなる
自動車における後輪のトー角制御装置。
(1) Rear wheel suspension means equipped with a drive mechanism that changes the toe angle of the rear wheels, a vehicle speed sensor that measures the vehicle speed, and a vehicle speed sensor that operates the drive mechanism in accordance with vehicle speed data from the vehicle speed sensor to adjust the toe angle of the rear wheels. A toe angle control device for a rear wheel in an automobile, comprising a controller that sets the angle to a predetermined value.
JP60158680A 1985-07-17 1985-07-17 Toe-angle controller for rear wheel of car Pending JPS6218309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60158680A JPS6218309A (en) 1985-07-17 1985-07-17 Toe-angle controller for rear wheel of car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60158680A JPS6218309A (en) 1985-07-17 1985-07-17 Toe-angle controller for rear wheel of car

Publications (1)

Publication Number Publication Date
JPS6218309A true JPS6218309A (en) 1987-01-27

Family

ID=15677012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60158680A Pending JPS6218309A (en) 1985-07-17 1985-07-17 Toe-angle controller for rear wheel of car

Country Status (1)

Country Link
JP (1) JPS6218309A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0277650A2 (en) * 1987-02-03 1988-08-10 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Rear wheel suspension for motor vehicles with front wheel steering, especially for passenger motor vehicles
KR100501365B1 (en) * 2002-10-10 2005-07-18 현대자동차주식회사 Method and cornering toa-in control apparatus for vehicle
KR100599488B1 (en) 2004-11-03 2006-07-12 현대모비스 주식회사 Dual link suspension
EP1700721A1 (en) * 2005-03-11 2006-09-13 Audi Ag Apparatus for setting the variable length of an arm
KR100634657B1 (en) 2004-12-21 2006-10-16 현대자동차주식회사 Active vehicle control method using active geometry control suspension
KR100650324B1 (en) 2005-10-21 2006-11-27 현대모비스 주식회사 Dual link type active geometry controlled system
KR100756848B1 (en) 2006-05-25 2007-09-07 주식회사 만도 Rear wheel toe angle control systems of the vehicles
US7325818B1 (en) 2006-09-12 2008-02-05 Mando Corporation Rear wheel toe angle control system of vehicle
EP1939019A1 (en) * 2006-12-27 2008-07-02 HONDA MOTOR CO., Ltd. Telescopic actuator
WO2014124778A1 (en) * 2013-02-15 2014-08-21 Bayerische Motoren Werke Aktiengesellschaft Rear axle of a two-track vehicle
ITTO20130969A1 (en) * 2013-11-28 2015-05-29 Zona Engineering & Design Sas Di Zo Na Mauro & C SELF-MULTI-SUSPENSION SUSPENSION WITH VARIATION OF THE WINDING ANGLE
JP2016128313A (en) * 2014-11-04 2016-07-14 ベンテラー オートモバイルテクニック ゲーエムベーハー Wheel guide assembly for vehicle wheel
ITUB20153223A1 (en) * 2015-08-25 2017-02-25 Zona Eng & Design S A S Di Zona Mauro & C Motor vehicle suspension with camber angle variation device

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0277650A2 (en) * 1987-02-03 1988-08-10 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Rear wheel suspension for motor vehicles with front wheel steering, especially for passenger motor vehicles
EP0277650A3 (en) * 1987-02-03 1988-10-19 Bayerische Motoren Werke Aktiengesellschaft Rear wheel suspension for motor vehicles with front wheel steering, especially for passenger motor vehicles
KR100501365B1 (en) * 2002-10-10 2005-07-18 현대자동차주식회사 Method and cornering toa-in control apparatus for vehicle
KR100599488B1 (en) 2004-11-03 2006-07-12 현대모비스 주식회사 Dual link suspension
KR100634657B1 (en) 2004-12-21 2006-10-16 현대자동차주식회사 Active vehicle control method using active geometry control suspension
EP1700721A1 (en) * 2005-03-11 2006-09-13 Audi Ag Apparatus for setting the variable length of an arm
KR100650324B1 (en) 2005-10-21 2006-11-27 현대모비스 주식회사 Dual link type active geometry controlled system
EP1859970A1 (en) * 2006-05-25 2007-11-28 Mando Corporation Rear wheel toe angle control system of vehicle
KR100756848B1 (en) 2006-05-25 2007-09-07 주식회사 만도 Rear wheel toe angle control systems of the vehicles
US7325818B1 (en) 2006-09-12 2008-02-05 Mando Corporation Rear wheel toe angle control system of vehicle
EP1939019A1 (en) * 2006-12-27 2008-07-02 HONDA MOTOR CO., Ltd. Telescopic actuator
US7990003B2 (en) 2006-12-27 2011-08-02 Honda Motor Co., Ltd. Telescopic actuator
WO2014124778A1 (en) * 2013-02-15 2014-08-21 Bayerische Motoren Werke Aktiengesellschaft Rear axle of a two-track vehicle
CN104955663A (en) * 2013-02-15 2015-09-30 宝马股份公司 Rear axle of a two-track vehicle
US9446642B2 (en) 2013-02-15 2016-09-20 Bayerische Motoren Werke Aktiengesellschaft Rear axle of a two-track vehicle
CN104955663B (en) * 2013-02-15 2017-05-24 宝马股份公司 Rear axle of a two-track vehicle
ITTO20130969A1 (en) * 2013-11-28 2015-05-29 Zona Engineering & Design Sas Di Zo Na Mauro & C SELF-MULTI-SUSPENSION SUSPENSION WITH VARIATION OF THE WINDING ANGLE
JP2016128313A (en) * 2014-11-04 2016-07-14 ベンテラー オートモバイルテクニック ゲーエムベーハー Wheel guide assembly for vehicle wheel
ITUB20153223A1 (en) * 2015-08-25 2017-02-25 Zona Eng & Design S A S Di Zona Mauro & C Motor vehicle suspension with camber angle variation device

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