JPH10166890A - Alarm device - Google Patents
Alarm deviceInfo
- Publication number
- JPH10166890A JPH10166890A JP8338987A JP33898796A JPH10166890A JP H10166890 A JPH10166890 A JP H10166890A JP 8338987 A JP8338987 A JP 8338987A JP 33898796 A JP33898796 A JP 33898796A JP H10166890 A JPH10166890 A JP H10166890A
- Authority
- JP
- Japan
- Prior art keywords
- reaction force
- accelerator pedal
- operation reaction
- inter
- vehicle
- 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- Withdrawn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、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、この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
力に基づいて前記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 object, according to the present invention, an accelerator pedal operated by a driver, an operation amount detecting means for detecting an operation amount of the accelerator pedal, Operation reaction force variable setting means for variably setting the magnitude of the operation reaction force to the accelerator pedal,
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 respect to a vehicle in front of the vehicle. A means for variably controlling the operation reaction force variable setting means and having an operation reaction force variable control function is adopted.
【０００９】以上のように構成されたことにより、前方
車両との車間距離に応じて、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、車間距離は運転動作をする上で、重要な判断
要素となるものである。このため、主制御部は、車間距
離の変化を検出して、アクセルペダルに対する操作反力
を適宜変化させる。操作反力の調整は、主制御部が適切
な操作反力の大きさを演算し、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。[0009] With the above configuration, the main control unit causes the operation reaction force variable setting means to function by the operation reaction force variable control function according to the inter-vehicle distance to the vehicle in front. Specifically, the inter-vehicle distance is an important judgment factor in driving operation. For this reason, the main control unit detects a change in the inter-vehicle distance and appropriately changes the operation reaction force on the accelerator pedal. To adjust the operation reaction force, the main control unit calculates an appropriate magnitude of the operation reaction force, and the main control unit 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】また、請求項２記載の発明では、主制御部
が、前記車間距離検出手段の出力によって車間距離を検
出し、この車間距離の減少に伴い前記操作反力を増大さ
せる操作反力増大制御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、前方車両との車間距離
が減少してきた場合には、これに応じて主制御部が適切
な操作反力の値を演算する。具体的には、車間距離の減
少は運転者に注意を促す必要性が高まるので、アクセル
ペダルに対する操作反力が増大制御される。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。[0010] In the invention according to claim 2, the main control unit detects an inter-vehicle distance based on an output of the inter-vehicle distance detecting means, and increases the operation reaction force to increase the operation reaction force as the inter-vehicle distance decreases. Take the means of having a control function,
Other configurations are the same as those of the first aspect. With the above-described configuration, when the inter-vehicle distance with the preceding vehicle decreases, the main control unit calculates an appropriate operation reaction force value in accordance with the decrease. Specifically, a decrease in the inter-vehicle distance increases the necessity to call attention to the driver, and therefore, the operation reaction force on the accelerator pedal is controlled to increase. 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】更に、請求項３記載の発明では、前記主制
御部が、前記操作量検出手段の出力によってアクセルペ
ダルの操作量を検出し、このアクセルペダルの操作量の
増大に伴って前記操作反力を増大させる操作反力増大制
御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又は２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、アクセルペダルの操作量が大きい場
合、即ちスロットルアクセルが大きく開かれている場合
には、一般的に高速走行中か或いは高トルク走行中であ
るので、急激なアクセルペダルの操作は抑制すべきであ
る。また、運転者注意を喚起する必要もある。このた
め、主制御部がアクセルペダルに対する操作反力を増大
制御する。Further, according to the third aspect of the present invention, the main control unit detects an operation amount of an accelerator pedal based on an output of the operation amount detection means, and the operation countermeasure is performed with an increase in the operation amount of the accelerator pedal. Means having an operation reaction force increasing control function for increasing the force is adopted, and the other configuration is the same as that of the first or second aspect of the present invention. With the above-described configuration, when the operation amount of the accelerator pedal is large, that is, when the throttle accelerator is widely opened, the vehicle is generally running at high speed or running at high torque. The operation of the accelerator pedal should be suppressed. It is also necessary to call the driver's attention. For this reason, the main control unit controls to increase the operation reaction force on the accelerator pedal.
【００１２】[0012]
【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.
【００１３】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
出力に基づいて、前記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.
An operation reaction force variable setting means 9 for variably setting the magnitude of the operation reaction force of the accelerator pedal 3, a main control unit 11 for controlling the operation of the operation reaction force variable setting means 9, and an inter-vehicle distance to a preceding vehicle. And an inter-vehicle distance detecting means 13 for detecting the distance. The main control unit 11 has an operation reaction force variable control function of variably controlling the operation reaction force variable setting means 9 based on the output of the following distance detecting means 13.
【００１４】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
セルスロットル（図示略）の開度に対応する値を検出す
る。操作量検出手段３は、一般的なストロークセンサ１
５（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。また、アクセルスロ
ットルの開度を直接検出する場合には、気化器に装備さ
れる戻りスプリングのボディ側固定点をロードセルで測
定するようなものでもよい。The accelerator pedal 3 is operated by the driver with his / her foot, 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 throttle (not shown) is detected. The operation amount detecting means 3 is a general stroke sensor 1
5 (see FIG. 3), a potentiometer, a rotary encoder, and the like. When the opening degree of the accelerator throttle is directly detected, the load cell may be used to measure the body-side fixed point of the return spring mounted on the carburetor.
【００１５】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 magnitude of 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 operation force (pedal force) by a 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.
【００１６】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
したように車間距離検出手段１３による前方車両との車
間距離情報を得て、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、アクセルペダル３の操作量の情報
も有効であるので、主制御部１１に操作量検出手段５も
接続されている。As described above, the alarm device 1 includes the main control unit 11. The main control unit 11 obtains the inter-vehicle distance information with respect to the preceding vehicle by the inter-vehicle distance detection means 13 as described above, and controls the operation reaction force variable setting means 9 to generate an optimum operation reaction force at that time. It has an operation reaction force variable control function that works. When determining an appropriate operation reaction force, information on the operation amount of the accelerator pedal 3 is also effective, and therefore the operation amount detection means 5 is also connected to the main control unit 11.
【００１７】ここで、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。Here, the inter-vehicle distance detecting means 13 receives the reflected light of the laser beam radiated toward the preceding other vehicle or receives the reflected wave of the ultrasonic wave radiated toward the preceding other vehicle, and While confirming the existence of another vehicle, the distance between the vehicle and the own 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.
【００１８】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に示すグラフは、車間距離に対する操作反力の加重
力の関係を示す図であり、またアクセルペダル３の操作
量との関係についても記載している。この図２におい
て、横軸は車間距離，縦軸は操作反力の加重力の大きさ
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。尚、図２において、自社と前方他車との車間距
離は、相対的な距離を示す。Next, a specific control method of the alarm device 1 according to the present invention will be described with reference to FIGS.
The graph shown in FIG. 2 is a diagram illustrating the relationship between the operation reaction force and the gravitational force with respect to the inter-vehicle distance, and also illustrates the relationship with the operation amount of the accelerator pedal 3. In FIG. 2, the horizontal axis represents the distance between the vehicles, and the vertical axis represents the magnitude of the gravitational force of the operation reaction force, and these constitute a control map. In FIG. 2, the inter-vehicle distance between the company and the other vehicle in front indicates a relative distance.
【００１９】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の開度を１から４までとし、４
を最高操作量（アクセルペダルのベタ踏み状態）として
いる。Here, the operation amount of the accelerator pedal 3 corresponds to the opening degree of an accelerator throttle provided in a carburetor (not shown). In FIG. 2, for convenience, the opening of the accelerator pedal 3 is set to 1 to 4 and 4
Is the maximum operation amount (solid depression state of the accelerator pedal).
【００２０】当該図２から判るように、車間距離が小さ
いほど、各開度において操作反力が大きくなるように増
大制御されている。これは、車間距離が小さい場合に
は、前方車両が減速等をした場合に、必要以上に前方車
両に近接してしまう場合がある。本実施形態では、これ
を未然に防ぐべく、主制御部１１の操作反力増大制御機
能よってアクセルペダル３に対する操作反力が増大制御
される。これにより、運転者は、アクセルペダル３の操
作反力の変化を感じることができ、容易に注意が喚起さ
れる。尚、本実施形態では、車間距離に対して操作反力
を反比例的に変化させているが、本発明はこれに限定さ
れるものではなく、例えば、車間距離の減少に伴って２
次曲線的に操作反力を増大制御するようにしてもよい。As can be seen from FIG. 2, the control is increased so that the smaller the inter-vehicle distance, the greater the reaction force at each opening. This is because when the inter-vehicle distance is short, when the preceding vehicle decelerates, the vehicle may approach the preceding vehicle more than necessary. In the present embodiment, in order to prevent this from happening, the operation reaction force on the accelerator pedal 3 is controlled to increase by the operation reaction force increase control function of the main control unit 11. Thereby, the driver can feel the change in the operation reaction force of the accelerator pedal 3, and is easily alerted. In the present embodiment, the operation reaction force is changed in inverse proportion to the inter-vehicle distance. However, the present invention is not limited to this.
The operation reaction force may be controlled to increase in a curve-like manner.
【００２１】また、本実施形他にかかる警報装置１で
は、アクセルペダル３の操作量の変化に応じて操作反力
が可変制御される。例えば、アクセルペダル３の操作量
が小さい場合（開度１）場合で、車間距離が６の場合に
は、操作反力の加重力は約１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（開度４）場合には、操作反力の加重力は
約４であり、操作反力は大きく増大制御される。尚、操
作反力の加重力は相対的な値で表している。Further, in the alarm device 1 according to the present embodiment and the like, the operation reaction force is variably controlled in accordance with a change in the operation amount of the accelerator pedal 3. For example, when the operation amount of the accelerator pedal 3 is small (opening degree 1) and the inter-vehicle distance is 6, the added gravity of the operation reaction force is about 1, and the operation reaction force is not controlled so much. On the other hand, when the operation amount of the accelerator pedal 3 is large (opening degree 4), the added gravity of the operation reaction force is about 4, and the operation reaction force is controlled to increase greatly. The applied gravity of the operation reaction force is represented by a relative value.
【００２２】以上を換言すれば、前方車両との車間距離
が減少し、且つアクセルペダル３の操作量が大きい場合
には、操作反力が増大制御されアクセルペダル３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。即ち、急激なアクセルペダル操作が適切に抑制され
る。In other words, when the inter-vehicle distance to the vehicle in front is reduced and the operation amount of the accelerator pedal 3 is large, the operation reaction force is controlled to be increased and a larger pedal force is required to depress the accelerator pedal 3. It is to become. That is, sudden accelerator pedal operation is appropriately suppressed.
【００２３】また、本実施形態では、図２に示すよう
に、車間距離がある値（図２における横軸：１０）を超
えた場合には、アクセルペダル３に対する操作反力の加
重力は零である。即ち、前方に車両が存在しないか、或
いは遥か遠方に存在する場合には、操作反力の可変制御
は行われない。これは、車間距離が充分に有る場合に
は、特に運転者に対して警報を発する必要が無いからで
ある。但し、この操作反力の加重力を生じさせない車間
距離の基準値も、アクセルペダル３の各開度毎に異なっ
ている。即ち、開度が１の場合には、車間距離が７を超
えた場合に操作反力の加重力が生じないようになってい
る。、In this embodiment, as shown in FIG. 2, when the inter-vehicle distance exceeds a certain value (horizontal axis: 10 in FIG. 2), the applied gravity of the operation reaction force to the accelerator pedal 3 is zero. It is. That is, when the vehicle does not exist in the front or exists far away, the variable control of the operation reaction force is not performed. This is because it is not necessary to warn the driver especially when the inter-vehicle distance is sufficient. However, the reference value of the inter-vehicle distance that does not generate the added gravity of the operation reaction force is different for each opening of the accelerator pedal 3. That is, when the opening degree is 1, when the inter-vehicle distance exceeds 7, the gravity of the operation reaction force is not generated. ,
【００２４】次に、上記した制御マップに基づく警報装
置１の動作について具体的に説明すると、先ず、車間距
離検出手段１３によって、常時前方車両（図示略）との
車間距離が検出されている。そして、その車間距離情報
は主制御部１１に送信される（図１参照）。これと同時
に、主制御部１１には、アクセルペダル３の操作量の情
報が送信される。Next, the operation of the alarm device 1 based on the above-described control map will be specifically described. First, the inter-vehicle distance with the preceding vehicle (not shown) is always detected by the inter-vehicle distance detecting means 13. Then, the inter-vehicle distance information is transmitted to the main control unit 11 (see FIG. 1). At the same time, information on the operation amount of the accelerator pedal 3 is transmitted to the main control unit 11.
【００２５】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、
操作反力の加重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を通して警報を発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、車間
距離の減少及びアクセルペダル３の操作量の増大に伴っ
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,
The magnitude of the gravitational force of the operation reaction force is variably set. The value of the operation reaction force is determined by the control map (see FIG. 2). As a result, the magnitude of the reaction force of the accelerator pedal 3 increases under certain conditions, and a warning is issued to the driver through the accelerator pedal 3.
In particular, 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 a decrease in the inter-vehicle distance and an increase in the operation amount of the accelerator pedal 3. Function to alert the driver appropriately.
【００２６】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.
【００２７】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 a space 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.
【００２８】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.
【００２９】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.
【００３０】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。A second spring member 2 is provided on the opposite side of the first spring member 21 via a 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.
【００３１】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 unit 11, as shown in FIG. The member 23 is compressed, and the operation reaction force of the accelerator pedal 3 increases.
【００３２】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 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.
【００３３】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.
【００３４】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。尚、操作反力可変設定手段の機構としては、上記に
限定されるものではなく、アクセルペダルの回転軸に直
接サーボモータを取り付けたり、負圧アクチュエータを
連結させる等の手段を用いてもよい。On the other hand, the other end of the piston 29a is formed with 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. Note that the mechanism of the operation reaction force variable setting means is not limited to the above, and means such as attaching a servomotor directly to the rotation shaft of the accelerator pedal or connecting a negative pressure actuator may be used.
【００３５】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.
【００３６】[0036]
【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、車間距離の変化に伴い、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。また、車間距離の減
少に伴って操作反力が徐々に増大するので、車両に対し
て急激な挙動の変化等を引き起こさない、As described above, according to the alarm system of the present invention, the main control unit has the operation reaction force variable control function of variably controlling the operation reaction force setting means in accordance with the change in the following distance. doing. 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. Further, since the operation reaction force gradually increases with a decrease in the inter-vehicle distance, it does not cause a sudden change in behavior with respect to the vehicle,
【００３７】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の増大に応じて、アクセル
ペダルに対する操作反力の加重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
者によって急なアクセルペダル操作がなされた場合で
も、一定条件下で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、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 gravity of the operation reaction force to the accelerator pedal in accordance with the increase in the operation amount of the accelerator pedal. Have. For this reason, even when a sudden accelerator pedal operation is performed by the driver, the main control unit functions to suppress this under a certain condition, so that more excellent traveling can be realized. Is generated.
【００３８】更には、本発明の警報装置は、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 alarm device of the present invention is not a visual alarm, it can surely call attention irrespective of the position of the driver's line of sight. An excellent effect that no troublesome thought is caused is produced.
【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 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 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、この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に基づい
て前記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。An accelerator pedal operated by a driver, an operation amount detecting means for detecting an operation amount of the accelerator pedal, and an operation reaction force variable setting means for variably setting the magnitude of an operation reaction force on the accelerator pedal. 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 respect to a vehicle in front of the vehicle, wherein the main control unit is based on an output of the inter-vehicle distance detection unit. An alarm device having an operation reaction force variable control function for variably controlling the operation reaction force variable setting means.
の出力によって車間距離を検出し、この車間距離の減少
に伴い前記操作反力を増大させる操作反力増大制御機能
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 vehicle control system according to claim 1, wherein the main control unit detects an inter-vehicle distance based on an output of the inter-vehicle distance detecting means, and has an operation reaction force increasing control function of increasing the operation reaction force as the inter-vehicle distance decreases. The alarm device according to claim 1, wherein
出力によってアクセルペダルの操作量を検出し、このア
クセルペダルの操作量の増大に伴って前記操作反力を増
大させる操作反力増大制御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. An operation reaction force increase for detecting an operation amount of an accelerator pedal based on an output of the operation amount detection means, and increasing the operation reaction force with an increase in the operation amount of the accelerator pedal. 3. The alarm device according to claim 1, further comprising a control function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8338987A JPH10166890A (en) | 1996-12-04 | 1996-12-04 | Alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8338987A JPH10166890A (en) | 1996-12-04 | 1996-12-04 | Alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10166890A true JPH10166890A (en) | 1998-06-23 |
Family
ID=18323208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8338987A Withdrawn JPH10166890A (en) | 1996-12-04 | 1996-12-04 | Alarm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10166890A (en) |
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-
1996
- 1996-12-04 JP JP8338987A patent/JPH10166890A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20040302 |