JP7148902B1 - Accelerator/brake converter - Google Patents

Accelerator/brake converter Download PDF

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JP7148902B1
JP7148902B1 JP2022046067A JP2022046067A JP7148902B1 JP 7148902 B1 JP7148902 B1 JP 7148902B1 JP 2022046067 A JP2022046067 A JP 2022046067A JP 2022046067 A JP2022046067 A JP 2022046067A JP 7148902 B1 JP7148902 B1 JP 7148902B1
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accelerator
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accelerator pedal
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重樹 岡崎
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日本反射器工業株式会社
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Abstract

【課題】本発明は、アクセル・ブレーキ踏み間違い暴走事故防止に関する。運転者が、同乗者もなく一人で運転中、何らかの原因でパニックになり、アクセルペダルをブレーキペダルと間違えて強力に踏込んだ場合でも加速・暴走せず車を停止させる、運転者の全てに対応できる装置を提供する。【解決手段】運転者の異常時の習性行動から、脚を前に強力に突き出すことに着目。デジタル的に、突き出す力と体重との相関関係を割り出し、万人に共通な事故防止対策技術を確立。体重検知に体重測定用圧力センサーを座席シートに内包させ、踏込み力測定用圧力センサー(2)をアクセルペダル取付け部に設置。相関関係を記憶したAIに双方からのデータ値を入力、それらの軽重比較から正常、異常を判断。正常の場合は運転続行、異常の場合はECUに異常信号を送り、ECUからアクセル装置に解除信号を、ブレーキ装置に作動信号を送って車を停止させる。【選択図】図3Kind Code: A1 The present invention relates to prevention of runaway accident due to misapplication of accelerator/brake. Even if the driver panics for some reason while driving alone without a passenger and depresses the accelerator pedal strongly for the brake pedal, the vehicle stops without accelerating or running out of control. Provide equipment that can handle it. [Solution] Focusing on strongly thrusting the leg forward from the habitual behavior of the driver in the event of an abnormality. By digitally determining the correlation between pushing force and body weight, we have established a common accident prevention technology for everyone. A pressure sensor for weight measurement is included in the seat for weight detection, and a pressure sensor (2) for measurement of stepping force is installed at the accelerator pedal mounting part. Data values from both sides are input to AI that memorizes the correlation, and judgment is made as normal or abnormal based on weight comparison. If the vehicle is normal, the vehicle is continued, and if the vehicle is abnormal, an abnormality signal is sent to the ECU, and the ECU sends a release signal to the accelerator device and an operation signal to the brake device to stop the vehicle. [Selection drawing] Fig. 3

Description

本発明は、運転者がパニックになり誤ってアクセルペダルをブレーキペダルと間違って踏込んだ場合に、車が暴走せず自動的にブレーキが掛かり停車する装置に関する。The present invention relates to a device that automatically applies the brakes and stops the vehicle without causing the vehicle to run out of control when the driver panics and erroneously depresses the accelerator pedal for the brake pedal.

初心者や高齢者が車両を運転する場合、アクセルペダルを踏込んだときに予想外の発信スピードになると、その恐怖心から全身が硬直してしまうことがある。また、走行中にブレーキペダルと間違えてアクセルペダルを踏込む誤操作をしてしまうと、運転者の気持ちに反して逆に速度が速くなり、ブレーキをかけるべくアクセルペダルをさらに踏込んでしまうことがある。When a beginner or an elderly person drives a vehicle, if the transmission speed becomes unexpected when the accelerator pedal is stepped on, the entire body may become rigid due to the fear. Also, if the accelerator pedal is mistaken for the brake pedal while driving, the speed will increase contrary to the driver's feelings, and the accelerator pedal may be further depressed to apply the brakes. .

かかる状況ではアクセルペダルに置いたままの足も突っ張っており、アクセルペダルを無意識にフルスロットル操作(電動車ではモーター全出力に相当)することになり、障害物に衝突するまで停止せず、人身事故を起こすことが懸念される。これに対し、アクセルペダルの誤踏込みによる障害物に対する衝突を回避し、人身事故を確実に防止できるようにした装置が提案されている(特許文献1、特許文献2、特許文献3、特許文献4、特許文献5、特許文献6)。In such a situation, the foot on the accelerator pedal is also strained, and the accelerator pedal is unconsciously operated at full throttle (equivalent to full motor output in an electric vehicle), and the vehicle does not stop until it collides with an obstacle, resulting in an accident resulting in injury or death. It is feared that In response to this, there have been proposed devices that can avoid collisions with obstacles caused by erroneously stepping on the accelerator pedal, thereby reliably preventing accidents resulting in injury or death (Patent Document 1, Patent Document 2, Patent Document 3, Patent Document 4, Patent Documents 5 and 6).

例えば、ブレーキペダルのアームをアクセルペダルのアームと伝達部材によって連携させ、アクセルペダルのアームの踏込み角度が通常の踏込み範囲の最大角度を超えた角度に踏込まれたときに、ブレーキペダルのアームをアクセルペダルのアームとともに踏込み方向に搖動させてブレーキをかけ、次いでアクセルペダルのアームの踏込み角度がさらに大きくなると、アクセルペダルのアームとスロットルバルブとの接続を解除してアクセルを戻し、車両の暴走を抑制するようにした装置がしられている(特許文献1)。For example, the arm of the brake pedal is linked to the arm of the accelerator pedal by a transmission member, and when the accelerator pedal arm is stepped on at an angle exceeding the maximum angle of the normal stepping range, the brake pedal arm is accelerated. The brake is applied by oscillating in the depression direction together with the pedal arm, and when the depression angle of the accelerator pedal arm is further increased, the connection between the accelerator pedal arm and the throttle valve is released and the accelerator is released to prevent the vehicle from running out of control. A device designed to do so is known (Patent Document 1).

実用新案登録第3217039号公報Utility Model Registration No. 3217039 特許第4598207号公報Japanese Patent No. 4598207 特許第5355800号公報Japanese Patent No. 5355800 公開特許公報 平5-256170Published Patent Publication No. 5-256170 公開特許公報 2013-56653Published patent publication 2013-56653 公開実用新案公報 昭61-31928Public utility model publication Sho 61-31928

しかし、特許文献1記載の装置ではアクセルペダルが一定位置以上に大きく踏込まれたときにブレーキペダルのアームが連携されてブレーキが作動され次いでアクセルワイヤーが戻されるようになっているので、運転者が加速を行おうとしてアクセルペダルを強く踏んだときにブレーキがかかって運転者がパニックを起こすおそれがある。However, in the device described in Patent Document 1, when the accelerator pedal is stepped on more than a certain position, the arm of the brake pedal is linked to operate the brake, and then the accelerator wire is returned. When the accelerator pedal is pressed hard to accelerate, the brakes may be applied and the driver may panic.

なお、特許文献2記載の装置では足を傾けてペダルを踏込む必要があるので、運転中に不自然な姿勢を強いられ、絶えずアクセルペダルを操作していることに気をつけていないと、運転者が意図的な加速を行うためにペダルを強く踏んだ場合にブレーキがかかることになり、場合によっては急ブレーキとなって運転者がパニックを起こすおそれがある。In addition, in the device described in Patent Document 2, since it is necessary to step on the pedal with the foot tilted, the driver is forced to take an unnatural posture while driving. When the driver depresses the pedal hard to intentionally accelerate, the brakes are applied, and depending on the situation, the brakes may be abrupt and the driver may panic.

また、特許文献3記載の装置ではアクセルからブレーキへの境界がなく、自然と深く踏込み過ぎるとブレーキとなる。このため、運転者が意図的な加速を行うためにペダルを強く踏込むとブレーキがかかることになり、場合によっては急ブレーキとなって運転者がパニックを起こすおそれがある。In addition, in the device described in Patent Document 3, there is no boundary from the accelerator to the brake, and if the pedal is depressed too deeply, the brake is automatically applied. Therefore, when the driver depresses the pedal hard to intentionally accelerate, the brakes are applied, and in some cases, the brakes are suddenly applied, which may cause the driver to panic.

また、特許文献4および特許文献5記載の内容では、通常のアクセル領域を分割し前半をアクセル域とし、後半をブレーキ域とする。運転者が正常のときの踏込み力ではアクセル域のみにてアクセルペダルを操作する。しかし、運転者がパニックになり異常な力で踏込むとブレーキ域に達してブレーキがかかる内容であり、ただたんに「更に強く踏込むと」との説明で、アクセル域とブレーキ域の境界を感覚に頼る装置であり、正常運転中でも急ブレーキがかかり運転者がパニックを起こすおそれがある。Further, in the contents described in Patent Documents 4 and 5, the normal accelerator region is divided into the first half as the accelerator region and the second half as the brake region. When the driver is normal, the accelerator pedal is operated only in the accelerator range with the depression force. However, when the driver panics and depresses the brake with abnormal force, it reaches the braking area and the brakes are applied. It is a device that relies on senses, and even during normal driving, there is a risk that the brakes will be applied suddenly and the driver will panic.

特許文献6記載の装置では、アクセル域とブレーキ域との境界を運転者の踏込み力の変化をグラフに示し、数値的に特定している。踏込み力が特定数値を超えると圧力センサーが働きスロットルを絞り加速を抑制する構造である。しかし、運転者は人それぞれであり踏込み力も人それぞれである。また、本件の実験方法は不明であるが、運転者がパニック時の踏込み力の境界を約10kg(Aライン)としているが、当社実験では体重が40kgの高齢女性でも正常時最大踏込み力は40kgに達し、体重が100kg前後の運転者は正常時でも軽々と10kgを越えて踏込め(前車追越時等は15kg程度)、突然に急ブレーキとなり運転者がパニックを起こすおそれがある。運転者は人それぞれであり、単一に境界値を設けることは思わぬ急ブレーキのおそれがあり危険である。In the device described in Patent Document 6, the boundary between the accelerator region and the braking region is numerically identified by showing changes in the driver's stepping force in a graph. When the pedaling force exceeds a specific value, the pressure sensor works to throttle the throttle and suppress acceleration. However, drivers differ from person to person, and the stepping force also varies from person to person. In addition, although the experimental method of this case is unknown, the boundary of the pedaling force when the driver panics is about 10 kg (A line), but in our experiments, even an elderly woman weighing 40 kg has a maximum pedaling force of 40 kg when normal. A driver weighing around 100 kg can easily step over 10 kg even in normal conditions (about 15 kg when overtaking the vehicle in front), and the brakes may suddenly be applied suddenly, causing the driver to panic. Drivers differ from person to person, and setting a single boundary value is dangerous because there is a risk of unexpected sudden braking.

そこで、本発明はかかる問題点に鑑み、通常の加速操作を行うことができる一方、運転者が突然にアクセルペダルをさらに大きく強く踏込んだときには、運転者個別に対応して運転者の「正常運転中の踏込み」か「異常時踏込み」かを判断して、異常状態と判断した場合にはブレーキを自動的にかけることができるようにした,運転者万人に共通して対応できるアクセル・ブレーキ変換装置を提供することを課題とする。Therefore, in view of such problems, the present invention is capable of performing a normal acceleration operation, while at the same time, when the driver suddenly depresses the accelerator pedal more strongly, the driver responds individually to the driver's "normal" It is possible to judge whether it is stepping on while driving or stepping on when there is an abnormality, and if it is judged to be in an abnormal state, it can automatically apply the brakes. An object of the present invention is to provide a brake conversion device.

背景理論Background theory

本発明に係るアクセル・ブレーキ変換装置は運転者の体重による影響を基本とする。運転者が運転中にパニックになり異常事態に陥ると、アクセルペダルをブレーキペダルと間違えて踏込む場合、身体的特徴として表れるのは脚を前に突き出しアクセルペダルを異常に早く且つ強力に踏込むことである。この二大特徴を防止対策に取込めないかということである。
異常に早く踏込むことでは、自車速度の制限は設けられているが、加速度検知で既に実用化されている。しかしながら、加速度検知については人それぞれで、早い人もいれば遅い人もいる。現在の先端技術でも色々な制限が設けられている。
これに対し、異常時には強力に踏込むことでは踏込み圧力は人それぞれではあるが、万人が強力に踏込むことは人間の習性としては公知の事実である。
このことを、何らかの方法で数値化して対策技術に取込めれば、万人が納得して安心して車に装備できる「踏み間違い事故防止対策装置」となる。
The accelerator/brake conversion system according to the present invention is based on the influence of the weight of the driver. When the driver panics and falls into an abnormal situation while driving, if he/she steps on the accelerator pedal by mistaking it for the brake pedal, the physical characteristic that appears is that the leg is pushed forward and the accelerator pedal is depressed abnormally quickly and strongly. That is. The question is whether these two major characteristics can be incorporated into preventive measures.
Although the speed of the vehicle is limited by depressing the pedal abnormally early, it has already been put to practical use in acceleration detection. However, acceleration detection varies from person to person, some people are fast and some people are slow. Even the current state-of-the-art technology has various limitations.
On the other hand, it is a well-known fact as a human habit that all people step on the pedal strongly, although the stepping pressure varies from person to person.
If this can be quantified in some way and incorporated into countermeasure technology, it will become a "preventive device for preventing stepping errors" that everyone can accept and install in their cars with peace of mind.

自力で二足歩行できる人は、片足で自分自身の体重を支え重心移動で前に歩ける。つまり、体重の重い人は強い筋力を、軽い人は片足だけで自身の体重を支えられる筋力を有すると考えられ、体重と踏込み筋力とは何らかの相関関係があるのではないかと推察できる。
そこで、アクセルペダルの踏込み力は、運転者が運転席に着座した場合には、脚の筋力がアクセルペダルの踏込み力に反映されるので、このことから運転者の体重と踏込み力の関係を第1図の実験方法にて調査を実施(体重は事前に体重計にて測定)。結果、第2図の相関データが得られた。
つまり、体重40kg~110kgの運転者の正常時の最大踏込み力(精神的限界値)は、被験者全員が体重の80%から体重までの間で踏込まれるということが判明。
更に、運転者に異常が起こりパニックになると通称「火事場のバカ力」を発揮すると言われる通り、生理科学でいう精神的限界から生理的限界になると約25%前後の筋力がアップすることは、実験でも確かめられた。説明すると、体重58kgの人では平常時の最大踏込み力(精神的限界値)は58kgであり、パニックになった場合の踏込み力は70kgと生理的限界値(約25%アップ)となる。全員がアップすることが認められた。
運転者の精神状態が正常の場合は、踏込み力は十二分に体重以下である(通常5~10kgで、本線合流時とか前車を追越す場合の急な加速でも15kg程度)。逆に説明すると、踏込み力が体重の80%未満であれば運転者が正常な状態で運転しており、アクセルペダルを体重の80%より重く(強く)踏込んだ場合は運転者はパニックになり異常な状態でアクセルペダルを踏込んでいると判断できる。
People who can walk on two legs by themselves can support their own weight with one leg and move their center of gravity to walk forward. In other words, it can be inferred that there is some kind of correlation between body weight and stepping muscle strength, since heavy weight people have strong muscle strength and light weight people have muscle strength that can support their own weight with only one leg.
Therefore, when the driver is seated in the driver's seat, the muscle strength of the legs is reflected in the force applied to the accelerator pedal. The survey was conducted according to the experimental method shown in Fig. 1 (body weight was measured in advance using a weight scale). As a result, the correlation data shown in FIG. 2 were obtained.
In other words, it was found that the normal maximum stepping force (mental limit value) of a driver weighing 40 kg to 110 kg is between 80% of the body weight and the body weight of all the subjects.
In addition, it is said that when something goes wrong with the driver and the driver panics, the so-called "Fireplace Stupid Power" is exhibited, and in physiological science, it is possible to increase muscle strength by about 25% when it goes from the mental limit to the physiological limit. was also confirmed experimentally. To explain, for a person weighing 58 kg, the maximum stepping force (mental limit value) in a normal state is 58 kg, and the stepping force in panic is 70 kg, which is the physiological limit value (about 25% increase). All were allowed to upgrade.
If the driver's mental state is normal, the pedaling force is well below the body weight (usually 5 to 10 kg, and about 15 kg even at sudden acceleration when merging with the main line or overtaking the vehicle ahead). Conversely, if the pedaling force is less than 80% of body weight, the driver is driving normally. It can be determined that the accelerator pedal is stepped on in an abnormal state.

近年デジタル技術は飛躍的に進歩・発達してきた。
運転者の体重をリアルタイムに測定する方法として、第5図のように運転席シートの内部に体重測定用圧力センサー(1)を設置、運転者が運転席に着座すると体重が検知できるようにする。アクセルペダルユニット取付け基盤に対して、運転者の踏込み力が検知できるよう踏込み力入力用圧力センサー(2)を設置する。両方のデータ値を第2図の相関データを入力・記憶させたAI(3)に送る。AIは送られてきた両方の入力データ値を比較、踏込み力データ値が体重データ値の80%より軽い場合は正常と判断し車の運転を続行させる。しかし、踏込み力データ値が体重データ値と比較し、体重の80%値より重い(強い)場合は、運転者がパニックになり異常状態と判断。異常状態と判断すると、AIはECU(エンジン コントロール ユニット)(4)に異常信号を送る。ECUは、この信号を受取った場合に限りアクセル装置に作動解除信号を送る。同時にブレーキ装置にブレーキ作動信号を送る。車は確実に停止する。
運転者体重を体重測定用圧力センサー(1)にてリアルタイムに測定入力できる方法に対して、運転者限定車両の場合は、運転者の体重を体重値外部入力装置(12)にて予め入力する方法でもよい。
In recent years, digital technology has progressed and developed dramatically.
As a method of measuring the driver's weight in real time, a weight measuring pressure sensor (1) is installed inside the driver's seat as shown in Fig. 5 so that the weight can be detected when the driver sits on the driver's seat. . A stepping force input pressure sensor (2) is installed on the accelerator pedal unit mounting base so that the stepping force of the driver can be detected. Both data values are sent to AI (3) which has entered and stored the correlation data of FIG. The AI compares both of the input data values that have been sent, and if the pedaling force data value is lighter than 80% of the body weight data value, it is determined to be normal, and the vehicle continues to drive. However, when the pedaling force data value is compared with the body weight data value and is heavier (strong) than 80% of body weight, the driver panics and is determined to be in an abnormal state. When it determines that there is an abnormality, the AI sends an abnormality signal to the ECU (Engine Control Unit) (4). The ECU sends a deactivation signal to the accelerator device only when it receives this signal. At the same time, a brake actuation signal is sent to the brake device. The car will definitely stop.
In contrast to the method in which the weight of the driver can be measured and input in real time by the weight measurement pressure sensor (1), in the case of a driver-limited vehicle, the weight of the driver is input in advance by the weight value external input device (12). can be a method.

実施方法Implementation method

本発明の一実施例を説明する。体重測定用圧力センサー(1)は、運転者の重心が上にくる位置で運転席シートに内包設置する。
踏込み力入力用圧力センサー(2)についての設置方法は、現在ではアクセルペダル装置はアクセルポジションセンサー類と一体(ユニット)化されている第3図の通り2タイプがある。1つはアクセルペダル搖動ばねが内包されているタイプと、もう1つは外部に取付けられている外装タイプである。両タイプとも、ユニット化されているアクセルペダルの稼動域は、構造上初期位置から最終位置までで、それ以上は物理的に踏込めない。
圧力センサーを圧力検知させるためには、センサーの検知部が押さえ込まれる稼動部が必要である。従って、搖動ばね内装方式ではアクセルペダルユニット(5)を上下運動が可能な支持基盤(傾動板)(6)に載せる必要がある。この場合、アクセルペダル稼動最終位置からの運動になるので、支持基盤を初期位置(アクセルペダル稼動最終位置)に保持させるため、付勢力ばね(7)と係止用ストッパー(8)を設ける。
外装方式では、アクセルペダル搖動ばね(9)の最終位置手前に圧力センサー検知部(2)を設定し最終段階での稼動で検知部を作動させてもよい。
An embodiment of the present invention will be described. The pressure sensor for weight measurement (1) is internally installed in the driver's seat at a position where the center of gravity of the driver is positioned upward.
There are currently two types of installation methods for the pressure sensor (2) for inputting the stepping force, as shown in FIG. One is a type in which an accelerator pedal rocking spring is built in, and the other is an exterior type in which it is attached to the outside. In both types, the operation range of the unitized accelerator pedal is structurally from the initial position to the final position, and it cannot be physically stepped on any further.
In order for the pressure sensor to detect pressure, a moving part is required to hold down the detection part of the sensor. Therefore, in the rocking spring built-in method, it is necessary to place the accelerator pedal unit (5) on a support base (tilting plate) (6) that can move up and down. In this case, since the movement is from the final accelerator pedal operation position, the biasing force spring (7) and the locking stopper (8) are provided to hold the support base in the initial position (the final accelerator pedal operation position).
In the exterior method, the pressure sensor detection section (2) may be set before the final position of the accelerator pedal swing spring (9), and the detection section may be operated at the final stage of operation.

ここで踏込み力(F)と圧力センサーの感知値の間で注意を要する。これまで述べてきた体重(W)と(F)の関係は、被験者がアクセルペダル踏込み部(10)を踏込む圧力であり第3図で示した圧力センサー(2)に対する圧力ではない。よって、AIに入力する踏込み力のデータ値(F(s))値は「テコの原理」の通り以下で示される。
(支点 力点 作用点の関係 X×F=Y×F(s)
(F(s))=(F)×X/Y (X/Y)自動車メーカー各社、各車種による)
これにより、F(s)<0.8×W×(X/Y)⇒正常 F(s)≧0.8×W×(X/Y)⇒異常 と判断、すなわち体重と踏込み力の関係を数値化して捉えられ、定量的に比較判断できる対象となる。
Care must be taken here between the stepping force (F) and the sensing value of the pressure sensor. The relationship between the body weight (W) and (F) described so far is the pressure with which the subject depresses the accelerator pedal stepping portion (10), not the pressure on the pressure sensor (2) shown in FIG. Therefore, the data value (F(s)) of the stepping force to be input to AI is shown below as in the "principle of leverage".
(Relationship between fulcrum, point of force, and point of action X×F=Y×F (s)
(F (s)) = (F) x X/Y (X/Y) depending on each car manufacturer and model)
As a result, F(s)<0.8×W×(X/Y)⇒normal F(s)≧0.8×W×(X/Y)⇒abnormal It is quantified and grasped, and it becomes an object that can be quantitatively compared and judged.

実際に車に装備された場合の運用面では、運転者の正常時に何らかの理由でアクセルペダルを相当に強く(例えば、体重値の65%で)踏込まれた場合、ブレーキが掛かる前に警報音が鳴るようにしておけば運転者に注意喚起でき安全である。
アナログ的には、第4図のようにアクセルペダルユニットを支持基盤に載せ、支持基盤のスペースに警報音発信スイッチ(11)を取付けるのがよい。
また、ブレーキが作動する時には後方車への注意喚起のため、ブレーキランプおよびハザードランプを点燈させるようにするのがよい。
In terms of operation when actually installed in a car, if the accelerator pedal is depressed considerably strongly (for example, at 65% of the weight value) for some reason when the driver is in a normal state, an alarm sounds before the brake is applied. If it is made to ring, it can alert the driver and is safe.
From an analog point of view, it is preferable to place the accelerator pedal unit on the support base as shown in FIG. 4 and install the warning sound transmission switch (11) in the space of the support base.
Also, when the brakes are applied, it is advisable to turn on the brake lamps and hazard lamps to warn the vehicles behind.

尚、アクセルペダル搖動用ばね内包・外装式のアクセルユニットを支持基盤(傾動板)に載せる方法の場合は、踏込み入力用圧力センサーおよびAIシステムが不要で実施可能である。踏込み入力用圧力センサーの替わりに異常信号発信スイッチに替える。
つまり、体重と踏込力との相関関係グラフ(2)より明らかなように、全ての被験者の正常時の最大踏込力は体重から体重の80%である。体重の80%より強く踏込む場合は運転者がパニックになった異常時の踏込みと判断できる。よって、体重別に付勢力ばねの抗力値を変えればよい。例えば、第2―2図に示したように、運転者の体重40kg以上から55kg未満をタイプA,55kg以上から70kg未満をタイプB,70kg以上から85kg未満をタイプC,85kg以上から100kg未満をタイプD,100kg以上をタイプEとし、各タイプ別に付勢力ばねの抗力値を個別に設定する。体重の80%値を基本とし、タイプAには35kg、タイプBには45kg、タイプCには55kg、タイプDには65kg、タイプEには80kgの付勢力ばねを用意すればよい。例えば、体重60kgの運転者はタイプBに属するので、付勢力ばね(7)に45kgの抵抗を有するばねを採用すればよい。体重別に対応する付勢力ばねを用いて、運転者がパニックなるとばねの抵抗に抗して踏込め異常信号発信スイッチ(2)を作動させ、ECUを経由して車を停止させる万人に対応できるシステムを提供する。
In the case of a method of mounting an accelerator unit with a built-in/external spring for swinging the accelerator pedal on a support base (tilting plate), the stepping input pressure sensor and the AI system are unnecessary and can be implemented. Replace the depression input pressure sensor with an abnormality signal transmission switch.
That is, as is clear from the graph (2) of the correlation between body weight and stepping force, the maximum stepping force of all subjects under normal conditions was 80% of their body weight. If the pedal is depressed more than 80% of the driver's body weight, it can be determined that the pedal is depressed in an abnormal state in which the driver panics. Therefore, it is sufficient to change the resistance value of the biasing force spring according to the body weight. For example, as shown in Figure 2-2, type A is from 40 kg to less than 55 kg, type B is from 55 kg to less than 70 kg, type C is from 70 kg to less than 85 kg, and type C is from 85 kg to less than 100 kg. Type D and 100 kg or more are defined as type E, and the resistance value of the urging force spring is set individually for each type. Based on the 80% weight value, it is sufficient to prepare an urging force spring of 35 kg for type A, 45 kg for type B, 55 kg for type C, 65 kg for type D, and 80 kg for type E. For example, since a driver weighing 60 kg belongs to type B, a spring having a resistance of 45 kg should be adopted as the biasing force spring (7). When a driver panics by using an urging force spring corresponding to each weight, it is possible to cope with all people who stop the car via ECU by activating the depression abnormality signal transmission switch (2) against the resistance of the spring when the driver panics. provide the system.

以上は吊下げ式ペダル方式で述べてきたが、第6図のオルガン式方式にも適用できる。The above has been described for the suspended pedal system, but it can also be applied to the organ system shown in FIG.

体重と踏込み力の測定実験実施方法図 Measurement experiment implementation diagram for body weight and stepping force 運転者体重とアクセルペダル踏込み力との相関グラフ Correlation graph between driver weight and accelerator pedal depression force 運転者体重別付勢力ばね抗力値グラフ Biasing Force Spring Drag Value Graph by Driver Weight アクセルペダルのペダル搖動ばね▲1▼内包、▲2▼外装ユニットタイプ Accelerator pedal rocking spring (1) inside, (2) exterior unit type 警報音スイッチ alarm sound switch 本発明システム図 System diagram of the present invention オルガン式ペダル実施例図 Organ-type pedal embodiment diagram システムフローチャート System flowchart

1.体重測定用圧力センサー
2.踏込み力入力用圧力センサー(または異常信号発信スイッチ)
3.相関データ記憶AI
4.エンジン コントロール ユニット(コンピューター)ECU
5.アクセルペダルユニット
6.支持基盤(傾動板)
7.付勢力ばね
8.係止用ストッパー
9.アクセルペダル搖動用ばね(外装式)
10.アクセルペダル踏込み部
11.警報音発信スイッチ
12.体重値外部入力装置
1. Pressure sensor for weight measurement 2 . Pressure sensor for stepping force input (or error signal transmission switch)
3. Correlation data storage AI
4. Engine control unit (computer) ECU
5. Accelerator pedal unit 6 . Support base (tilting plate)
7. biasing force spring;8. locking stopper 9 . Accelerator pedal rocking spring (exterior type)
10. Accelerator pedal stepping portion 11 . Alarm sound transmission switch 12 . Weight value external input device

Claims (2)

体重測定用圧力センサー(1)と踏込み力入力用圧力センサー(2)と運転者の正常踏込みか異常踏込みかを判断する装置(3)とを備え、前記装置(3)は踏込み力データ値が体重データ値の80%より軽い場合は正常踏込みと判断し、踏込み力データ値が体重データ値の80%以上の場合は異常踏込みと判断し、異常踏込みと判断の場合に限りアクセル解除とブレーキ作動させ、車を停止させることを特徴とするアクセル・ブレーキ変換装置。A weight measuring pressure sensor (1), a stepping force input pressure sensor (2), and a device (3) for determining whether the driver's stepping is normal or abnormal , and the device (3) has a stepping force data value. If it is lighter than 80% of the weight data value, it is judged as normal depression, and if the pedaling force data value is 80% or more of the weight data value, it is judged as abnormal depression. Accelerator/brake conversion device characterized in that it causes the vehicle to stop . 請求項1において、体重測定用圧力センサー(1)の替わりに体重値外部入力装置(12)を備えて運転者の体重値を入力できることを特徴とするアクセル・ブレーキ変換装置。2. An accelerator/brake conversion device according to claim 1, wherein an external weight value input device (12) is provided in place of the pressure sensor (1) for weight measurement so that the weight value of the driver can be input .
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015000625A (en) 2013-06-14 2015-01-05 本田技研工業株式会社 Vehicular control system
JP2018180970A (en) 2017-04-14 2018-11-15 パナソニックIpマネジメント株式会社 Driver identification system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015000625A (en) 2013-06-14 2015-01-05 本田技研工業株式会社 Vehicular control system
JP2018180970A (en) 2017-04-14 2018-11-15 パナソニックIpマネジメント株式会社 Driver identification system

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