JPH10166889A - Alarm device - Google Patents
Alarm deviceInfo
- Publication number
- JPH10166889A JPH10166889A JP8338986A JP33898696A JPH10166889A JP H10166889 A JPH10166889 A JP H10166889A JP 8338986 A JP8338986 A JP 8338986A JP 33898696 A JP33898696 A JP 33898696A JP H10166889 A JPH10166889 A JP H10166889A
- Authority
- JP
- Japan
- Prior art keywords
- reaction force
- accelerator pedal
- operation reaction
- main control
- driver
- 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.)
- Withdrawn
Links
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、警報装置に係り、
特に自動車運転中の運転者の居眠りや不適当な運転状態
を検出した場合に、運転者に注意を促すものであり、ア
クセルペダルの操作反力を利用した警報装置に関する。TECHNICAL FIELD The present invention relates to an alarm device,
More particularly, the present invention relates to an alarm device that alerts a driver when he or she falls asleep or detects an inappropriate driving state while driving a car, and uses an operation reaction force of an accelerator pedal.
【０００２】[0002]
【従来の技術】従来より、自動車等の運転者の注意を喚
起する警報装置としては以下のようなものがあった。即
ち、特開平５−６９７８５号公報には、運転状態の緊急
度を検出して、緊急度が低い場合には運転者に対して触
覚に訴える警報を与え、緊急度が高い場合には聴覚に訴
えて警報を与えるものが開示されている。ここにいう緊
急度は、車両の走行速度及び前方車両との車間距離によ
り判断するものである。2. Description of the Related Art Heretofore, there have been the following alarm devices that call attention of a driver of an automobile or the like. That is, Japanese Unexamined Patent Application Publication No. 5-69785 detects the urgency of a driving state and gives a driver a tactile warning when the urgency is low, and gives an auditory sense when the urgency is high. A complaint and an alert are disclosed. Here, the degree of urgency is determined based on the running speed of the vehicle and the inter-vehicle distance to the preceding vehicle.
【０００３】具体的に触覚に訴える警報の方法として
は、シートベルトの拘束力を増大させて運転者に知らせ
るものであり、運転中の運転者に確実に警報を伝えるこ
とができる。これにより、視覚刺戟時の見落としや聴覚
刺戟時の同乗者へのストレスはの問題はない。また、聴
覚に訴えるものとしては、一般的に用いられるスピーカ
から警報音を発生させるものである。通常、運転中の運
転者は視覚はもちろんのこと、聴覚で自車両の周囲の交
通状況や自己の運転状況に関連した情報を得る。このた
め、聴覚刺戟としての警報は、通常の自動車運転中の運
転者の注意を喚起するためには有効である。更には、一
般的に行われている警報ランプ等の視覚に訴える警報も
行われている。[0003] As a method of giving an alarm that appeals specifically to tactile sensation, the restraint force of the seat belt is increased to notify the driver, and the warning can be reliably transmitted to the driver during driving. Thereby, there is no problem of oversight at the time of visual stimulation or stress on the passenger at the time of auditory stimulation. In addition, as a device that appeals to hearing, a warning sound is generated from a generally used speaker. Usually, a driver who is driving obtains information related to the traffic situation around the own vehicle and his own driving situation not only visually but also by hearing. For this reason, the warning as auditory stimulation is effective to draw the driver's attention during normal driving of a car. Further, visually appealing warnings such as warning lamps which are generally performed are also performed.
【０００４】また、特開平３−２６０９００号公報に
は、自車両の車速と前方車両の車速及び前方車両との車
間距離を検出すると共に、前方車両との相対速度が所定
値を超えた場合に警報を発するものが開示されている。
また、当該従来例では更に、運転者の脇見運転や居眠り
運転を検出し、上記した所定値を下げることにより、警
報を通常の場合より早めに発生させる機能を有する警報
装置が開示されている。Japanese Patent Application Laid-Open No. 3-260900 discloses that the vehicle speed of a host vehicle, the vehicle speed of a preceding vehicle, and the inter-vehicle distance to the preceding vehicle are detected, and when the relative speed with respect to the preceding vehicle exceeds a predetermined value. An alarm is disclosed.
Further, in the related art, there is further disclosed an alarm device having a function of detecting an inattentive driving or a drowsy driving of a driver and lowering the above-mentioned predetermined value to generate an alarm earlier than usual.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら上記各従
来例には以下のような不都合が生じていた。即ち、視覚
刺戟に訴える場合には、運転中の運転者は車線変更等を
する際に視線を脇に向けることがあり、視線の方向によ
っては運転者が警報を見落とすことが考えられる。ま
た、視覚刺戟が大きすぎると運転中の運転者にとって妨
げになることが考えられる。また、聴覚刺戟の場合、警
報が必要でない状況（例えば、意図的な追い越し動作
中）でも警報がなされてしまい、運転中の運転者はもと
より同乗者にも煩わしさを感じさせる、という不都合を
生じていた。However, the above-mentioned conventional examples have the following disadvantages. That is, when appealing to visual stimulation, the driver during driving may turn his / her gaze to the side when changing lanes or the like, and depending on the direction of the gaze, the driver may overlook the warning. Further, if the visual stimulus is too large, it may hinder the driver while driving. In addition, in the case of auditory stimulation, an alarm is issued even in a situation where an alarm is not required (for example, during an intentional overtaking operation), which causes inconvenience not only to a driving driver but also to a passenger. I was
【０００６】また、運転者の注意を喚起するための刺戟
として、シートベルトの拘束力の変化を利用した触覚刺
戟警報装置は、警報の繰り返し作動によって運転中の運
転者に不快感を与えることになり、運転中の運転者に煩
わしさを感じさせる場合がある、という不都合を生じて
いた。A tactile stimulus warning device using a change in the restraining force of a seat belt as a stimulus to draw the driver's attention may cause discomfort to the driver during driving by repeatedly activating a warning. In other words, there is a problem that the driver may feel troublesome while driving.
【０００７】[0007]
【発明の目的】本発明は、かかる従来例の有する不都合
を改善し、特に運転者に対し適切に警報を発し注意を喚
起することができる警報装置を提供することを、その目
的とする。SUMMARY OF THE INVENTION It is an object of the present invention to improve the disadvantages of the prior art and, in particular, to provide an alarm device capable of appropriately issuing a warning to a driver to draw attention.
【０００８】[0008]
【課題を解決するための手段】上記した目的を達成する
ために、請求項１記載の発明では、警報装置が、運転者
の操作するアクセルペダルと、このアクセルペダルの操
作量を検出する操作量検出手段と、アクセルペダルの操
作速度を検出する操作速度検出手段と、アクセルペダル
に対する操作反力の大きさを可変設定する操作反力可変
設定手段と、この操作反力可変設定手段を制御する主制
御部と、前方車両との車間距離を検出する車間距離検出
手段とを備えている。そして、主制御部が、車間距離検
出手段の出力が所定値以下の場合に動作し、操作量検出
手段と操作速度検出手段の情報に基づいて操作反力可変
設定手段を可変制御する操作反力可変制御機能を有す
る、という手段を採っている。In order to achieve the above-mentioned object, according to the present invention, the alarm device includes an accelerator pedal operated by a driver and an operation amount for detecting an operation amount of the accelerator pedal. Detecting means, operating speed detecting means for detecting the operating speed of the accelerator pedal, operating reaction force variable setting means for variably setting the magnitude of the operating reaction force on the accelerator pedal, and main control means for controlling the operation reaction force variable setting means. The vehicle includes a control unit and an inter-vehicle distance detecting unit that detects an inter-vehicle distance with a preceding vehicle. The main control unit operates when the output of the following distance detection unit is equal to or less than a predetermined value, and variably controls the operation reaction force variable setting unit based on information of the operation amount detection unit and the operation speed detection unit. It has a variable control function.
【０００９】以上のように構成されたことにより、前方
車両との車間距離が所定値以下となった場合に、主制御
部が操作反力可変制御機能により操作反力可変設定手段
を機能させる。具体的には、運転者の操作するアクセル
ペダルの動きを操作量検出手段及び操作速度検出手段が
検出する。そして、これらの各検出手段の情報に基づい
て適切な操作反力の大きさを主制御部が演算する。演算
された操作反力が生じるように主制御部が操作反力可変
設定手段に働きかける。これにより、あらゆる走行状態
に応じて適切な操作反力が発生し、運転者の注意を喚起
する。With the above configuration, when the inter-vehicle distance to the vehicle in front becomes equal to or less than a predetermined value, the main control unit causes the operation reaction force variable setting means to function using the operation reaction force variable control function. Specifically, the operation amount detection means and the operation speed detection means detect the movement of the accelerator pedal operated by the driver. Then, the main control unit calculates an appropriate magnitude of the operation reaction force based on the information of each of these detection means. The main controller acts on the operation reaction force variable setting means so that the calculated operation reaction force is generated. As a result, an appropriate operation reaction force is generated in accordance with any traveling state, and the driver is alerted.
【００１０】請求項２又は３記載の発明では、主制御部
が、アクセルペダルの操作量又は操作速度の増大に伴い
操作反力の大きさを増大させる操作反力増大機能を有す
るという手段を採り、その他の構成は請求項１記載の発
明と同様である。以上のように構成されたことにより、
アクセルペダルが大きく操作された場合には、主制御部
は操作反力増大機能に基づいて操作反力の大きさを増大
させるように操作反力可変設定手段に働きかける。これ
により、運転者による急な操作が抑制されると共に、運
転者は操作反力の増大をアクセルペダルから知得して注
意が喚起される。According to a second or third aspect of the present invention, the main control unit has an operation reaction force increasing function of increasing an operation reaction force with an increase in the operation amount or operation speed of the accelerator pedal. The other configuration is the same as that of the first aspect. With the above configuration,
When the accelerator pedal is largely operated, the main control unit acts on the operation reaction force variable setting means to increase the magnitude of the operation reaction force based on the operation reaction force increasing function. As a result, a sudden operation by the driver is suppressed, and the driver is informed of the increase in the operation reaction force from the accelerator pedal, and is alerted.
【００１１】[0011]
【発明の実施形態】本発明の一実施形態を図面に基づい
て説明する。An embodiment of the present invention will be described with reference to the drawings.
【００１２】先ず、本発明の警報装置１は、図１に示す
ように、運転者の操作するアクセルペダル３と、このア
クセルペダル３の操作量を検出する操作量検出手段５
と、アクセルペダル３の操作速度を検出する操作速度検
出手段７と、アクセルペダル３の操作反力の大きさを可
変設定する操作反力可変設定手段９と、この操作反力可
変設定手段９の動作を制御する主制御部１１と、前方車
両との車間距離を検出する車間距離検出手段１３とを備
えている。そして、主制御部１１が、車間距離検出手段
１３の出力が所定値以下の場合に作動し、操作量検出手
段５と操作速度検出手段７の情報に基づいて操作反力可
変設定手段９を可変制御する操作反力可変制御機能を有
している。First, as shown in FIG. 1, an alarm device 1 of the present invention comprises an accelerator pedal 3 operated by a driver and an operation amount detecting means 5 for detecting an operation amount of the accelerator pedal 3.
Operating speed detecting means 7 for detecting the operating speed of the accelerator pedal 3; operating reaction force variable setting means 9 for variably setting the magnitude of the operating reaction force of the accelerator pedal 3; The vehicle includes a main control unit 11 for controlling the operation and an inter-vehicle distance detecting means 13 for detecting an inter-vehicle distance to a vehicle ahead. Then, the main control unit 11 operates when the output of the following distance detecting unit 13 is equal to or less than a predetermined value, and changes the operation reaction force variable setting unit 9 based on the information of the operation amount detecting unit 5 and the operation speed detecting unit 7. It has an operation reaction force variable control function for controlling.
【００１３】以下にこれを詳述すると、アクセルペダル
３は運転者が足で操作するものであり、ここでは図示し
ない気化器に対して、アクセルワイヤを介して接続され
ている。また、操作量検出手段５は、アクセルペダル３
の操作された量を検出するものであり、具体的にはアク
セル（図示略）の開度に対応する値を検出する。また、
操作速度検出手段７は、アクセルペダル３の操作速度、
即ちアクセルペダル３の単位時間当たりの操作量を検出
するものである。そして、操作量情報５ａ及び操作速度
情報７ａは共に後述する主制御部１１に伝達されるよう
になっている。操作量検出手段３及び操作速度検出手段
７は、一般的なストロークセンサ１５（図３参照）やポ
テンショナルメータ，ロータリーエンコーダ等で検出す
る装置である。The accelerator pedal 3 is operated by the driver with his / her feet, and is connected to a carburetor (not shown) via an accelerator wire. In addition, the operation amount detection means 5 includes the accelerator pedal 3
Is detected, and more specifically, a value corresponding to the opening of an accelerator (not shown) is detected. Also,
The operating speed detecting means 7 operates the operating speed of the accelerator pedal 3,
That is, the operation amount of the accelerator pedal 3 per unit time is detected. The operation amount information 5a and the operation speed information 7a are both transmitted to a main control unit 11 described later. The operation amount detection means 3 and the operation speed detection means 7 are devices that detect with a general stroke sensor 15 (see FIG. 3), a potentiometer, a rotary encoder, or the like.
【００１４】また、アクセルペダル３には、アクセルペ
ダル３の操作反力の大きさを可変設定できる操作反力可
変設定手段９が連結されている。この操作反力可変設定
手段９は、主制御部１１からの指令に基づいてアクセル
ペダル３の操作反力の大きさを可変設定するものであ
る。より具体的には、アクセルペダル３は運転者の足に
よる操作力（踏力）によって踏み込まれるものである。
そして、アクセルペダル３を踏み込む場合には、所定の
操作反力が生じており、この操作反力より大きな踏力を
加えた場合にアクセルペダル３が踏み込まれる。即ち、
操作反力可変設定手段９は、アクセルペダル３を踏み込
む時のこの操作反力の大きさを可変設定する機能を有す
るものである。An operation reaction force variable setting means 9 for variably setting the operation reaction force of the accelerator pedal 3 is connected to the accelerator pedal 3. The operation reaction force variable setting means 9 variably sets the magnitude of the operation reaction force of the accelerator pedal 3 based on a command from the main control unit 11. More specifically, the accelerator pedal 3 is depressed by an operating force (pedal force) of the driver's foot.
When the accelerator pedal 3 is depressed, a predetermined operation reaction force is generated, and when a depression force greater than the operation reaction force is applied, the accelerator pedal 3 is depressed. That is,
The operation reaction force variable setting means 9 has a function of variably setting the magnitude of the operation reaction force when the accelerator pedal 3 is depressed.
【００１５】また上記したように、警報装置１には主制
御部１１が備えられている。この主制御部１１は、上記
したように操作量検出手段５及び操作速度検出手段７か
らの情報を得て、その時の最適な操作反力を生じるよう
に操作反力可変設定手段９に対して働きかける操作反力
可変制御機能を有している。また、適切な操作反力を決
定する場合には前方車両との車間距離の情報も有効であ
るので、主制御部１１に車間距離検出手段１３も接続さ
れている。車間距離検出手段１３は、先行他車に向けて
照射したレーザ光の反射光を受光し、または先行他車に
向けて放射した超音波の反射波を受波し、前方他車の存
在を確認すると共に、自車との車問距離を計測する。ま
た、車間距離検出手段１３を用いると前方車両の車速度
を計算することもできる。As described above, the alarm device 1 includes the main control unit 11. The main control unit 11 obtains information from the operation amount detecting means 5 and the operation speed detecting means 7 as described above, and sends the information to the operation reaction force variable setting means 9 so as to generate an optimum operation reaction force at that time. It has an operation reaction force variable control function that works. In addition, when determining an appropriate operation reaction force, information on the distance between the vehicle and the vehicle in front is also effective. Therefore, the distance control means 13 is also connected to the main control unit 11. The inter-vehicle distance detecting means 13 receives the reflected light of the laser beam radiated toward the preceding vehicle or receives the reflected wave of the ultrasonic wave radiated toward the preceding vehicle, and confirms the presence of another vehicle ahead. At the same time, the distance between the vehicle and the vehicle is measured. In addition, if the inter-vehicle distance detecting means 13 is used, the vehicle speed of the preceding vehicle can be calculated.
【００１６】次に、本発明にかかる警報装置１の具体的
制御方法について、図１及び図２に基づいて説明する。
図２に示す三次元グラフにおいて、ｘ軸はアクセルペダ
ル３の操作量，ｙ軸は操作速度そしてｚ軸はアクセルペ
ダル３に対して付与される操作反力の大きさをそれぞれ
示し、これらによって制御マップが構成されている。こ
こで、アクセルペダル３の操作量は、気化器（図示略）
に装備されているアクセルスロットルの開度に対応する
ものである。そして、図２においては便宜上、アクセル
ペダル３の操作量を１から５までとし、５を最高操作量
（ベタ踏み状態）としている。Next, a specific control method of the alarm device 1 according to the present invention will be described with reference to FIGS.
In the three-dimensional graph shown in FIG. 2, the x-axis indicates the operation amount of the accelerator pedal 3, the y-axis indicates the operation speed, and the z-axis indicates the magnitude of the operation reaction force applied to the accelerator pedal 3. The map is configured. Here, the operation amount of the accelerator pedal 3 is determined by a vaporizer (not shown).
This corresponds to the degree of opening of the accelerator throttle provided on the vehicle. In FIG. 2, for convenience, the operation amount of the accelerator pedal 3 is set to 1 to 5, and 5 is set to the maximum operation amount (solid depression state).
【００１７】また、図２において、アクセルペダル３の
操作速度は、単位時間当たりのアクセルスロットル開度
に対応するものであり、これも相対値として表されてい
る。そして、便宜上、操作速度を１から５までとし、５
を最高操作速度としている。更には、アクセルペダル３
の操作反力も、相対的な大きさとして表されている。即
ち、便宜上、反力を０から２５までとし、２５を最高操
作反力としている。In FIG. 2, the operation speed of the accelerator pedal 3 corresponds to the accelerator throttle opening per unit time, which is also expressed as a relative value. Then, for convenience, the operation speed is set to 1 to 5, and 5
Is the maximum operation speed. Furthermore, the accelerator pedal 3
Is also expressed as a relative magnitude. That is, for convenience, the reaction force is set to 0 to 25, and 25 is set as the maximum operation reaction force.
【００１８】当該図２から判るように、アクセルペダル
３の操作量が小さい（ｘ＝１，２：アクセルスロットル
開度が小さい）場合には、操作速度が大きい場合（急速
なアクセルペダル操作）がなされた場合でも、操作反力
はｚ＝５またはｚ＝１０であり操作反力はそれほど大き
くは制御されない。一方、アクセルペダル３の操作量が
大きい（ｘ＝５）場合には、操作速度に対する操作反力
の増大が著しい。即ち、操作速度が小さい（ｙ＝１）の
場合には操作反力もｚ＝５程度に抑えられているが、操
作速度がｙ＝３の場合には操作反力がｚ＝１５程度とな
り、更に操作速度がｙ＝５の場合には、操作反力がｚ＝
２５に制御される。As can be seen from FIG. 2, when the operation amount of the accelerator pedal 3 is small (x = 1,2: accelerator throttle opening is small), the operation speed is high (rapid accelerator pedal operation). Even when the operation is performed, the operation reaction force is z = 5 or z = 10, and the operation reaction force is not so controlled. On the other hand, when the operation amount of the accelerator pedal 3 is large (x = 5), the operation reaction force with respect to the operation speed significantly increases. That is, when the operation speed is low (y = 1), the operation reaction force is also suppressed to about z = 5, but when the operation speed is y = 3, the operation reaction force is about z = 15, and furthermore, When the operation speed is y = 5, the operation reaction force is z =
25.
【００１９】以上を換言すれば、アクセルペダル３の操
作量が大きくなり、且つアクセルペダルの操作速度が大
きい場合には、操作反力が増大制御されアクセルペダル
を踏み込むためにより大きな踏力が必要になるというこ
とである。また、操作速度に対する操作反力の増大割合
がアクセルペダル３の操作量の増大に応じて増大する
（傾斜が急になる）ということである。ここで、操作速
度ｙに対する操作反力ｚの関係は直線状に増大するもの
となっているが、本発明はこれに限定されるものではな
く、操作速度の増大に伴って二次曲線的に操作反力を増
大させるようにしてもよい。In other words, when the operation amount of the accelerator pedal 3 is large and the operation speed of the accelerator pedal is large, the operation reaction force is controlled to be increased and a larger pedal force is required to depress the accelerator pedal. That's what it means. In addition, the rate of increase of the operation reaction force with respect to the operation speed increases (increases in inclination) as the operation amount of the accelerator pedal 3 increases. Here, the relationship of the operation reaction force z with respect to the operation speed y increases linearly, but the present invention is not limited to this. The operation reaction force may be increased.
【００２０】次に、上記した制御マップに基づく警報装
置１の動作について説明すると、先ず、車間距離検出手
段１３によって前方車両（図示略）との車間距離が検出
された場合には、この検出値が主制御部に送信される
（図１参照）。これに伴い、車間距離検出手段１３の出
力が所定値以下の場合には、主制御部１１は、アクセル
ペダル３の操作量及び操作速度の検出指令５ｂ，７ｂを
操作量検出手段５及び操作速度検出手段７に送信する。
操作量検出手段５及び操作速度検出手段７はそれぞれ操
作量及び操作速度についての情報５ａ，５ｂを主制御部
１１に供給する。Next, the operation of the alarm device 1 based on the control map described above will be described. First, when the following distance detecting means 13 detects the following distance between the vehicle and the preceding vehicle (not shown), the detected value Is transmitted to the main control unit (see FIG. 1). Accordingly, when the output of the inter-vehicle distance detecting means 13 is equal to or less than the predetermined value, the main control unit 11 sends the operation amount detecting means 5 and the operating speed detecting command 5b, 7b of the accelerator pedal 3 to the operating amount detecting means 5 and the operating speed. It is transmitted to the detecting means 7.
The operation amount detection means 5 and the operation speed detection means 7 supply information 5a and 5b on the operation amount and the operation speed to the main control unit 11, respectively.
【００２１】続いて、主制御部１１は操作反力可変制御
機能に基づいて操作反力可変設定手段９に働きかけて、
操作反力の大きさを可変設定する。操作反力の値は上記
した制御マップ（図２参照）によって決定されるものが
用いられる。これにより、一定条件下でアクセルペダル
３の操作反力の大きさが増大し、運転者にアクセルペダ
ル３を通して警報を伝達するようになっている。特に、
本発明の警報装置１では、主制御部１１が、アクセルペ
ダル３の操作量及び操作速度の増大に伴って操作反力の
大きさを増大させる操作反力増大機能を有しているの
で、運転者に対し適切に注意を喚起するように機能す
る。Subsequently, the main control unit 11 acts on the operation reaction force variable setting means 9 based on the operation reaction force variable control function,
Variable setting of the operation reaction force. The value of the operation reaction force is determined by the control map (see FIG. 2). As a result, the magnitude of the operation reaction force of the accelerator pedal 3 increases under certain conditions, and a warning is transmitted to the driver through the accelerator pedal 3. Especially,
In the alarm device 1 of the present invention, the main control unit 11 has an operation reaction force increasing function of increasing the magnitude of the operation reaction force with an increase in the operation amount and the operation speed of the accelerator pedal 3, so that the driving is performed. Function to alert the person appropriately.
【００２２】ここで、実際にアクセルペダル３の操作反
力の大きさを可変制御するための操作反力可変設定手段
９について図３ないし図４を参照して説明する。Here, the operation reaction force variable setting means 9 for variably controlling the magnitude of the operation reaction force of the accelerator pedal 3 will be described with reference to FIGS.
【００２３】先ず、図３（Ａ）に示すように、操作反力
可変設定手段９はアクセルペダル３を回動自在に支持す
るブラケット１９と、当該ブラケット１９とアクセルペ
ダル３との相互間に配設される二本のバネ部材２１，２
３を備えている。そして、二本のバネ部材２１，２３は
アクセルペダル３の回転軸２５を中心として両側に固定
されている。First, as shown in FIG. 3 (A), the operation reaction force variable setting means 9 is provided with a bracket 19 for rotatably supporting the accelerator pedal 3, and between the bracket 19 and the accelerator pedal 3. Two spring members 21 and 2 provided
3 is provided. The two spring members 21 and 23 are fixed on both sides of the rotation shaft 25 of the accelerator pedal 3 as a center.
【００２４】そして、第１のバネ部材２１はアクセルペ
ダル３の回転軸２５より下方に固定されている。この第
１のバネ部材２１は、圧縮バネであって、アクセルペダ
ル３の操作に対して操作反力を生じる側に弾性力を付勢
するようになっている。また、第１のバネ部材２１の一
方端は、ブラケット１９に形成されたシリンダ２７に嵌
合されるピストン２９と係合されている。このピストン
２９は、第１のバネ部材２１に対して近接離間すること
により、第１のバネ部材２１の弾性力を可変設定するよ
うに機能する。The first spring member 21 is fixed below the rotation shaft 25 of the accelerator pedal 3. The first spring member 21 is a compression spring, and urges an elastic force to a side where an operation reaction force is generated with respect to the operation of the accelerator pedal 3. One end of the first spring member 21 is engaged with a piston 29 fitted to a cylinder 27 formed on the bracket 19. The piston 29 functions to variably set the elastic force of the first spring member 21 by moving closer to and away from the first spring member 21.
【００２５】第１のバネ部材２１の弾性力を変化させる
機構としては、ピストン２９の後方に備えられたラック
３１，ピニオン３３と駆動モータ３５とからなる。即
ち、駆動モータ３５が回転することにより、ピニオン３
３が回転し、これに伴ってラック３１が左右に移動す
る。ラック３１の移動が伝達部材３７を介してピストン
２９に伝達され、第１のバネ部材２１の弾性力の大きさ
が変更される。The mechanism for changing the elastic force of the first spring member 21 includes a rack 31, a pinion 33, and a drive motor 35 provided behind the piston 29. That is, when the drive motor 35 rotates, the pinion 3
3 rotates, and accordingly, the rack 31 moves right and left. The movement of the rack 31 is transmitted to the piston 29 via the transmission member 37, and the magnitude of the elastic force of the first spring member 21 is changed.
【００２６】また、アクセルペダル３の回動軸２５を介
して第１のバネ部材２１の反対側には第２のバネ部材２
３が固定されている。この第２のバネ部材２３は、第１
のバネ部材２１の弾性力が変更された場合にもアクセル
ペダル３の位置が余り変化しないようにするためのもの
である。このため、第２のバネ部材２３のバネ定数は第
１のバネ部材２１のバネ定数より大きく設定されてい
る。また、アクセルペダルの上端部には、気化器（図示
略）にまで延設されるアクセルワイヤ３９が接続されて
いる。尚、アクセルワイヤは所定の力で気化器側に引っ
張られているので、第１のバネ部材２１の弾性力とアク
セルワイヤの引っ張り力の和より第２のバネ部材の弾性
力を小さく設定しておけば、アクセルペダルは常時無操
作状態の位置に復帰する。The second spring member 2 is connected to the opposite side of the first spring member 21 via the rotation shaft 25 of the accelerator pedal 3.
3 is fixed. The second spring member 23 is
This is to prevent the position of the accelerator pedal 3 from changing much even when the elastic force of the spring member 21 is changed. For this reason, the spring constant of the second spring member 23 is set to be larger than the spring constant of the first spring member 21. An accelerator wire 39 extending to a vaporizer (not shown) is connected to the upper end of the accelerator pedal. Since the accelerator wire is pulled toward the carburetor by a predetermined force, the elastic force of the second spring member is set to be smaller than the sum of the elastic force of the first spring member 21 and the tensile force of the accelerator wire. If so, the accelerator pedal always returns to the position where no operation is performed.
【００２７】以上のように構成された操作反力可変設定
手段９が主制御部１１の操作反力可変制御機能により作
動した場合には、図１（Ｂ）に示すように、第２のバネ
部材２３が圧縮されてアクセルペダル３の操作反力が増
大する。When the operation reaction force variable setting means 9 constructed as described above is operated by the operation reaction force variable control function of the main control section 11, as shown in FIG. The member 23 is compressed, and the operation reaction force of the accelerator pedal 3 increases.
【００２８】以上のような制御がなされると、運転者は
運転中にアクセルペダル３の操作反力が増大したことを
アクセルペダル３によって知得して注意が喚起されると
共に、アクセルペダル３が戻される側に作用するので、
運転者の運転動作を適切に補助する警報装置となる。
尚、操作反力の可変制御に際して自車両の車速を考慮
し、特に車速が高い場合に操作反力をより増大させるよ
うな制御も有効である。When the above-described control is performed, the driver is notified by the accelerator pedal 3 that the operation reaction force of the accelerator pedal 3 has increased during driving, and the driver is alerted. Because it acts on the returned side,
An alarm device that appropriately assists the driving operation of the driver.
It is to be noted that, in the variable control of the operation reaction force, the vehicle speed of the own vehicle is taken into consideration, and control for increasing the operation reaction force particularly when the vehicle speed is high is also effective.
【００２９】次に、操作反力可変設定手段の他の例につ
いて図４に基づいて説明する。当該操作反力可変設定手
段９ａは、基本的な構成要素を上記したものと同一とし
ている。しかしながら、第１のバネ部材２１の弾性力を
変化させる機能が異なっている。即ち、ブラケット１９
には所定の中空円筒状部材２７ａが装備され、この中空
円筒状部材２７ａ内にピストン２９ａが嵌合されてい
る。そして、ピストン２９ａの一方端には上記した操作
反力可変設定手段９と同様に第１のバネ部材２１が係合
されている。Next, another example of the operation reaction force variable setting means will be described with reference to FIG. The operation reaction force variable setting means 9a has the same basic components as those described above. However, the function of changing the elastic force of the first spring member 21 is different. That is, the bracket 19
Is provided with a predetermined hollow cylindrical member 27a, and a piston 29a is fitted in the hollow cylindrical member 27a. The first spring member 21 is engaged with one end of the piston 29a in the same manner as the operation reaction force variable setting means 9 described above.
【００３０】一方、ピストン２９ａの他方端は曲面で構
成されており、この曲面に所定のカム部材３１ａが当接
して配設されている。カム部材３１ａは駆動モータ（図
示略）に係合されて回動可能になっており、主制御部１
１（図１参照）が駆動モータの回転制御を行う。即ち、
図４（Ｂ）に示すように、カム部材３１ａが回転するこ
とによりピストン２９ａを左方に押し、これによって第
１のバネ部材２１が圧縮される。この結果、アクセルペ
ダル３の操作反力の大きさが増大する。当該操作反力可
変設定手段９ａでは、カム部材３１ａのプロフィールを
適切に設定することにより、カム部材３１ａの回動角に
対する操作反力の可変制御を自由に設定することができ
る。On the other hand, the other end of the piston 29a is constituted by a curved surface, and a predetermined cam member 31a is disposed in contact with the curved surface. The cam member 31a is rotatable by being engaged with a drive motor (not shown).
1 (see FIG. 1) controls the rotation of the drive motor. That is,
As shown in FIG. 4B, the rotation of the cam member 31a pushes the piston 29a to the left, whereby the first spring member 21 is compressed. As a result, the magnitude of the operation reaction force of the accelerator pedal 3 increases. By appropriately setting the profile of the cam member 31a, the operation reaction force variable setting means 9a can freely set variable control of the operation reaction force with respect to the rotation angle of the cam member 31a.
【００３１】以上は、運転者に警報を与える機能とし
て、アクセルペダル３の操作反力をバネ部材によって増
大させる場合について説明した。しかしながら本発明は
これに限定されるものではなく、アクセルペダルの踏み
込み量（ストローク）を運転状況に応じて制限するよう
な構造であってもよい。即ち、前方車両との車間距離が
所定値以下となった場合に、気化器（図示略）に配設さ
れているスロットル（図示略）の回動角を制限するもの
や、アクセルペダルと気化器との間に連結されるアクセ
ルワイヤの移動を制限するものであってもよい。このよ
うに構成することによっても、運転者に対して容易に警
報を与え注意を喚起することができる。In the above, the case where the operation reaction force of the accelerator pedal 3 is increased by the spring member as a function of giving a warning to the driver has been described. However, the present invention is not limited to this, and may have a structure in which the depression amount (stroke) of the accelerator pedal is limited according to the driving situation. That is, when the inter-vehicle distance to the vehicle in front becomes equal to or less than a predetermined value, a rotation angle of a throttle (not shown) provided in a carburetor (not shown), an accelerator pedal and a carburetor are limited. May restrict the movement of the accelerator wire connected between them. With such a configuration, it is also possible to easily give a warning to the driver to draw attention.
【００３２】[0032]
【発明の効果】以上説明したように、本発明の警報装置
によれば、主制御部が、車間距離が所定値以下の場合に
操作量検出手段と操作速度検出手段の情報に基づいて、
操作反力可変設定手段を可変制御する操作反力可変制御
機能を有している。このため、走行状態に応じて適正な
アクセルペダルの操作反力可変制御がなされ、運転者は
アクセルペダルの反力によって適切に警報を知得するこ
とができる、という優れた効果を生じる。As described above, according to the alarm device of the present invention, when the inter-vehicle distance is equal to or less than the predetermined value, the main control unit can control the operation amount detection means and the operation speed detection means based on the information.
An operation reaction force variable control function for variably controlling the operation reaction force variable setting means is provided. For this reason, an appropriate effect that the operation reaction force variable control of the accelerator pedal is appropriately performed according to the traveling state is performed, and the driver can appropriately receive an alarm by the reaction force of the accelerator pedal, which is an excellent effect.
【００３３】また、操作反力の決定に際して主制御部
は、アクセルペダルの操作量や操作速度の増大に伴い操
作反力の大きさを増大させるような操作反力増大機能を
有している。このため、運転者による急なアクセルペダ
ル操作がなされた場合でも、主制御部がこれを抑制する
ように機能するので、より適切な走行を実現することが
できる。従って、運転者ヘのストレスが一層軽減される
ことになる、という優れた効果を生じる。When determining the operation reaction force, the main control unit has an operation reaction force increasing function for increasing the magnitude of the operation reaction force with an increase in the operation amount or operation speed of the accelerator pedal. For this reason, even when a sudden accelerator pedal operation is performed by the driver, the main control unit functions to suppress the operation, so that more appropriate traveling can be realized. Therefore, an excellent effect that stress on the driver is further reduced is produced.
【００３４】更には、視覚による警報でないため運転者
の視線の位置に拘わらず確実に注意を喚起できると共
に、聴覚に訴える警報でないため同乗者はなんら警報に
気づくことなく煩わしい思いもさせられることがない、
という優れた効果を生じる。Further, since the warning is not a visual warning, the driver can be alerted irrespective of the position of the driver's line of sight. In addition, since the warning is not appealing to the auditory sense, the passenger may be bothered without notice of the warning. Absent,
This produces an excellent effect.
【図１】本発明の第一の実施形態を示す制御ブロック図
である。FIG. 1 is a control block diagram illustrating a first embodiment of the present invention.
【図２】本発明にかかる警報装置の制御マップを示す図
である。FIG. 2 is a diagram showing a control map of the alarm device according to the present invention.
【図３】本発明の操作反力可変設定手段を示す図であ
り、図３（Ａ）は通常の制御状態を示し、図３（Ｂ）は
操作反力が増大制御されている状態を示す。3A and 3B are diagrams showing an operation reaction force variable setting means of the present invention. FIG. 3A shows a normal control state, and FIG. 3B shows a state in which the operation reaction force is controlled to increase. .
【図４】本発明の他の操作反力可変設定手段を示す図で
あり、図４（Ａ）は通常の制御状態を示し、図４（Ｂ）
は操作反力が増大制御されている状態を示す。4A and 4B are diagrams showing another operation reaction force variable setting means of the present invention. FIG. 4A shows a normal control state, and FIG.
Indicates a state in which the operation reaction force is controlled to increase.
１ 警報装置 ３ アクセルペダル ５ 操作量検出手段 ７ 操作速度検出手段 ９ 操作反力可変設定手段 １１ 主制御部 １３ 車間距離検出手段 REFERENCE SIGNS LIST 1 alarm device 3 accelerator pedal 5 operation amount detection means 7 operation speed detection means 9 operation reaction force variable setting means 11 main control unit 13 inter-vehicle distance detection means
───────────────────────────────────────────────────── フロントページの続き (72)発明者 松尾 典義 神奈川県横浜市都筑区桜並木２番１号 ス ズキ株式会社技術研究所内 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Noriyoshi Matsuo, Inventor 2-1, Sakuranamiki, Tsuzuki-ku, Yokohama-shi, Kanagawa Pref.
Claims (3)
のアクセルペダルの操作量を検出する操作量検出手段
と、前記アクセルペダルの操作速度を検出する操作速度
検出手段と、前記アクセルペダルに対する操作反力の大
きさを可変設定する操作反力可変設定手段と、この操作
反力可変設定手段の動作を制御する主制御部と、前方車
両との車間距離を検出する車間距離検出手段とを備え、 前記主制御部が、前記車間距離検出手段の出力が所定値
以下の場合に作動し、前記操作量検出手段と操作速度検
出手段の情報に基づいて操作反力可変設定手段を可変制
御する操作反力可変制御機能を有することを特徴とした
警報装置。1. An accelerator pedal operated by a driver, an operation amount detection means for detecting an operation amount of the accelerator pedal, an operation speed detection means for detecting an operation speed of the accelerator pedal, and an operation counter for the accelerator pedal. An operation reaction force variable setting unit that variably sets the magnitude of the force, a main control unit that controls the operation of the operation reaction force variable setting unit, and an inter-vehicle distance detection unit that detects an inter-vehicle distance with a vehicle ahead. The main control unit is activated when an output of the inter-vehicle distance detection means is equal to or less than a predetermined value, and controls the operation reaction force variable setting means based on information of the operation amount detection means and the operation speed detection means. An alarm device having a variable force control function.
操作量の増大に伴い操作反力の大きさを増大させる操作
反力増大機能を有することを特徴とした請求項１記載の
警報装置。2. The alarm device according to claim 1, wherein the main control unit has an operation reaction force increasing function for increasing an operation reaction force in accordance with an increase in the operation amount of the accelerator pedal.
操作速度の増大に伴い操作反力の大きさを増大させる操
作反力増大機能を有することを特徴とした請求項１又は
２記載の警報装置。3. The alarm according to claim 1, wherein the main control unit has an operation reaction force increasing function for increasing the magnitude of the operation reaction force in accordance with an increase in the operation speed of the accelerator pedal. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8338986A JPH10166889A (en) | 1996-12-04 | 1996-12-04 | Alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8338986A JPH10166889A (en) | 1996-12-04 | 1996-12-04 | Alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10166889A true JPH10166889A (en) | 1998-06-23 |
Family
ID=18323201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8338986A Withdrawn JPH10166889A (en) | 1996-12-04 | 1996-12-04 | Alarm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10166889A (en) |
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| JPH1178595A (en) * | 1997-09-01 | 1999-03-23 | Nissan Motor Co Ltd | Vehicle speed setting device |
| EP1375280A2 (en) | 2002-06-20 | 2004-01-02 | Nissan Motor Co., Ltd. | Driving assist system and method for vehicle |
| EP1426228A2 (en) | 2002-12-06 | 2004-06-09 | Nissan Motor Co., Ltd. | Driving assist system for vehicle |
| US6832157B2 (en) | 2002-09-27 | 2004-12-14 | Nissan Motor Co., Ltd. | Driving assist system |
| JP2005022647A (en) * | 2004-08-04 | 2005-01-27 | Nissan Motor Co Ltd | Vehicuar speed reduction auxiliary device |
| EP1504947A2 (en) | 2003-08-08 | 2005-02-09 | Nissan Motor Co., Ltd. | Driving assist system for vehicle |
| JP2005153562A (en) * | 2003-11-20 | 2005-06-16 | Nissan Motor Co Ltd | Vehicular driving operation assisting device and vehicle having vehicular driving operation assisting device |
| US6917872B2 (en) | 2002-06-18 | 2005-07-12 | Nissan Motor Co., Ltd. | Driving assist system for vehicle |
| US6920385B2 (en) | 2002-06-20 | 2005-07-19 | Nissan Motor Co., Ltd. | Accelerator pedal device |
| EP1574384A2 (en) | 2004-03-11 | 2005-09-14 | Nissan Motor Co., Ltd. | System and method assisting a vehicle driver via changes in accelerator reaction force and engine output characteristic |
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1996
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Legal Events
| Date | Code | Title | Description |
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| A300 | Withdrawal of application because of no request for examination |
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