JPH08291856A - Controller for automatic transmission - Google Patents
Controller for automatic transmissionInfo
- Publication number
- JPH08291856A JPH08291856A JP7120620A JP12062095A JPH08291856A JP H08291856 A JPH08291856 A JP H08291856A JP 7120620 A JP7120620 A JP 7120620A JP 12062095 A JP12062095 A JP 12062095A JP H08291856 A JPH08291856 A JP H08291856A
- Authority
- JP
- Japan
- Prior art keywords
- atmospheric pressure
- vehicle
- pressure
- automatic transmission
- engagement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 claims description 16
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000004043 responsiveness Effects 0.000 abstract description 4
- 230000015654 memory Effects 0.000 description 47
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
Landscapes
- Control Of Transmission Device (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、衛星からの信号をもと
に現在位置その他を判定するＧｒｏｂａｌＰｏｓｉｔｉ
ｏｎｉｎｇ Ｓｙｓｔｅｍ（以下、ＧＰＳと言う）から
の情報に基づき、車両の現在位置の大気圧を検出して、
摩擦係合要素の係合圧を制御する自動変速機の制御装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to GlobalPositi, which determines the current position and the like based on signals from satellites.
Based on the information from the oning System (hereinafter referred to as GPS), the atmospheric pressure at the current position of the vehicle is detected,
The present invention relates to a control device for an automatic transmission that controls the engagement pressure of a friction engagement element.
【０００２】[0002]
【従来の技術】従来の自動変速機の制御装置（特開平４
−１１３０６７号）は、図７に示すように、空気量セン
サＡによってエンジンの吸入空気の空気量を測定するこ
とにより、スロットル開度センサＴによって検出したス
ロットル開度との関係によりＥＣＴによって車両の現在
位置における標高を検出して、該検出した標高に応じて
摩擦係合要素の係合圧を制御するものであった。2. Description of the Related Art A conventional control device for an automatic transmission (Japanese Patent Laid-Open No. Hei 4)
No. -113067), as shown in FIG. 7, by measuring the air amount of intake air of the engine by the air amount sensor A, the ECT of the vehicle based on the relationship with the throttle opening detected by the throttle opening sensor T The altitude at the current position is detected, and the engagement pressure of the frictional engagement element is controlled according to the detected altitude.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の自動変速機
の制御装置は、イグニッションスイッチがオフになると
吸入空気量のデータが無くなってしまうため、次にイグ
ニッションスイッチがオンになると再度標高を検出しな
ければならないとともに、しばらくの間は良好な変速フ
ィーリングを得ることが出来ないという問題があった。The above-mentioned conventional automatic transmission control device detects the altitude again when the ignition switch is turned on again because the intake air amount data is lost when the ignition switch is turned off. However, there was a problem that a good shift feeling could not be obtained for a while.
【０００４】また従来の自動変速機の制御装置は、空気
量の変化が瞬間的なものなのか、継続的なものなのか判
断できないことから、係合圧を少しずつしか制御出来な
いという問題があった。Further, in the conventional automatic transmission control device, it is impossible to determine whether the change in the air amount is instantaneous or continuous, so that there is a problem that the engagement pressure can be controlled little by little. there were.
【０００５】例えば空気量が瞬間的に小さくなった時に
前記係合圧を急に落としてしまうと、実際に必要となる
係合圧が得られず、変速時間が長くなり、変速フィーリ
ングが悪化するとともに、摩擦係合要素の滑りによる摩
擦材の焼けの問題が発生する虞があった。For example, if the engagement pressure is suddenly dropped when the amount of air is momentarily reduced, the actually required engagement pressure cannot be obtained, the shift time becomes long, and the shift feeling is deteriorated. In addition, there is a risk that the friction material may burn due to slippage of the friction engagement element.
【０００６】そこで本発明者らは、車両の現在位置にお
ける大気圧を検出して、該大気圧に応じて摩擦係合要素
の係合圧を制御するという本発明の技術的思想に着眼
し、更に研究開発を重ねて、車両の現在位置の大気圧に
応じた係合圧制御を可能にするとともに、応答性の良い
係合圧制御を可能にするという目的を達成する本発明に
到達した。Therefore, the present inventors have focused on the technical idea of the present invention that the atmospheric pressure at the current position of the vehicle is detected and the engagement pressure of the friction engagement element is controlled according to the atmospheric pressure. Through further research and development, the present invention has been achieved which achieves the purpose of enabling the engagement pressure control according to the atmospheric pressure at the current position of the vehicle and enabling the responsive engagement pressure control.
【０００７】[0007]
【課題を解決するための手段】本発明（請求項１に記載
の第１発明）の自動変速機の制御装置は、車両の現在位
置の大気圧を検出する大気圧検出手段と、複数の変速段
を達成する複数の摩擦係合要素を備えた摩擦係合手段
と、前記大気圧検出手段の出力に基づき前記摩擦係合要
素の係合圧を制御する係合圧制御手段とを備えたもので
ある。A control device for an automatic transmission according to the present invention (a first invention according to claim 1) is an atmospheric pressure detecting means for detecting an atmospheric pressure at a current position of a vehicle, and a plurality of speed changes. A frictional engagement means having a plurality of frictional engagement elements for achieving steps, and an engagement pressure control means for controlling the engagement pressure of the frictional engagement element based on the output of the atmospheric pressure detection means. Is.
【０００８】本発明（請求項２に記載の第２発明）の自
動変速機の制御装置は、第１発明において、前記大気圧
検出手段が、車両の現在位置情報に基づき大気圧を検出
する手段を備えているものである。In the control device for an automatic transmission according to the present invention (the second invention according to claim 2), in the first invention, the atmospheric pressure detecting means detects the atmospheric pressure based on the current position information of the vehicle. It is equipped with.
【０００９】本発明（請求項３に記載の第３発明）の自
動変速機の制御装置は、第１発明において、前記大気圧
検出手段が、標高情報に基づき大気圧を検出する手段を
備えているものである。In a control device for an automatic transmission according to the present invention (the third invention according to claim 3), in the first invention, the atmospheric pressure detecting means comprises means for detecting atmospheric pressure based on altitude information. There is something.
【００１０】本発明（請求項４に記載の第４発明）の自
動変速機の制御装置は、第３発明において、前記車両の
現在位置の変化に伴う標高情報の変化に基づき、車両が
登り勾配を走行中か下り勾配を走行中かを検出する進路
検出手段を備えているものである。In a control device for an automatic transmission according to the present invention (a fourth invention according to claim 4), in the third invention, the vehicle climbs up and down on the basis of a change in altitude information accompanying a change in the current position of the vehicle. The vehicle is provided with a route detecting means for detecting whether the vehicle is traveling on the road or traveling on a downward slope.
【００１１】本発明（請求項５に記載の第５発明）の自
動変速機の制御装置は、第３発明において、前記係合圧
制御手段が、前記大気圧検出手段からの出力に基づき高
地走行中の少なくとも変速操作時においては自動変速機
のライン圧を制御する手段を備えているものである。The control device for an automatic transmission according to the present invention (the fifth invention according to claim 5) is the automatic transmission control device according to the third invention, wherein the engagement pressure control means travels at high altitude based on the output from the atmospheric pressure detection means. A means for controlling the line pressure of the automatic transmission is provided at least during the shift operation.
【００１２】[0012]
【作用】上記構成より成る第１発明の自動変速機の制御
装置は、前記大気圧検出手段がＧＰＳからの情報に基づ
き車両の現在位置の大気圧を検出し、前記係合圧制御手
段が前記大気圧検出手段の出力に基づき前記摩擦係合要
素の係合圧を制御し、前記複数の変速段を達成する前記
複数の摩擦係合要素を備えた前記摩擦係合手段が前記制
御された係合圧により前記各摩擦係合要素を係合させる
ことにより、変速を行うものである。In the control device for an automatic transmission according to the first aspect of the present invention, the atmospheric pressure detecting means detects the atmospheric pressure at the current position of the vehicle based on the information from the GPS, and the engagement pressure control means operates as described above. The friction engagement means including the plurality of friction engagement elements for controlling the engagement pressure of the friction engagement element based on the output of the atmospheric pressure detection means to achieve the plurality of shift speeds is controlled by the controlled engagement means. The gear shift is performed by engaging each of the friction engagement elements by the combined pressure.
【００１３】上記構成より成る第２発明の自動変速機の
制御装置は、前記大気圧検出手段が車両の現在位置情報
に基づき大気圧を検出する手段により車両の現在位置の
大気圧を検出し、前記係合圧制御手段が前記大気圧検出
手段の出力に基づき前記摩擦係合要素の係合圧を制御
し、前記複数の変速段を達成する前記複数の摩擦係合要
素を備えた前記摩擦係合手段が前記制御された係合圧に
より前記各摩擦係合要素を係合させることにより、変速
を行うものである。In the automatic transmission control device according to the second aspect of the present invention having the above-mentioned structure, the atmospheric pressure detecting means detects the atmospheric pressure at the current position of the vehicle by means for detecting the atmospheric pressure based on the current position information of the vehicle, The engagement pressure control means controls the engagement pressure of the friction engagement element based on the output of the atmospheric pressure detection means, and the friction engagement element includes the plurality of friction engagement elements that achieve the plurality of shift speeds. The shifting means engages the frictional engagement elements with the controlled engagement pressure to perform gear shifting.
【００１４】上記構成より成る第３発明の自動変速機の
制御装置は、前記大気圧検出手段が、標高情報に基づき
大気圧を検出する手段により、車両の現在位置の大気圧
を検出し、前記係合圧制御手段が前記大気圧検出手段の
出力に基づき前記摩擦係合要素の係合圧を制御し、前記
複数の変速段を達成する前記複数の摩擦係合要素を備え
た前記摩擦係合手段が前記制御された係合圧により前記
各摩擦整合要素を係合させることにより、変速を行うも
のである。In the control device for an automatic transmission according to the third aspect of the present invention having the above-mentioned structure, the atmospheric pressure detecting means detects the atmospheric pressure at the current position of the vehicle by means for detecting the atmospheric pressure based on the altitude information. The frictional engagement including the plurality of frictional engagement elements, wherein the engagement pressure control means controls the engagement pressure of the frictional engagement element based on the output of the atmospheric pressure detection means to achieve the plurality of shift speeds. The means engages the friction matching elements with the controlled engagement pressure to shift the gears.
【００１５】上記構成より成る第４発明の自動変速機の
制御装置は、前記第３発明の作用に加え、前記進路検出
手段が前記車両の現在位置の変化に伴う標高情報の変化
に基づき、車両が登り勾配を走行中か下り勾配を走行中
かの車両の進路を検出するので、かかる車両の進路も加
味した係合圧の変化の傾向に従って前記摩擦係合要素の
係合圧を制御し、前記複数の変速段を達成する前記複数
の摩擦係合要素を備えた前記摩擦係合手段が前記制御さ
れた係合圧により前記各摩擦係合要素を係合させること
により、変速を行うものである。In the automatic transmission control device of the fourth aspect of the present invention having the above structure, in addition to the operation of the third aspect of the invention, the route detection means is based on a change in altitude information associated with a change in the current position of the vehicle. Detects the course of the vehicle whether it is traveling uphill or downhill, so that the engagement pressure of the frictional engagement element is controlled according to the tendency of change in the engagement pressure in consideration of the course of the vehicle, The frictional engagement means including the plurality of frictional engagement elements that achieve the plurality of shift speeds shifts by engaging each of the frictional engagement elements with the controlled engagement pressure. is there.
【００１６】上記構成より成る第５発明の自動変速機の
制御装置は、第３発明の作用に加え、前記係合圧制御手
段を構成する前記手段が、前記大気圧検出手段からの出
力に基づき高地走行中の少なくとも変速操作時において
は自動変速機のライン圧を制御することにより前記摩擦
係合要素の係合圧を制御し、前記複数の変速段を達成す
る前記複数の摩擦係合要素を備えた前記摩擦係合手段が
前記制御された係合圧により前記各摩擦係合要素を係合
させることにより、変速を行うものである。According to the automatic transmission control device of the fifth aspect of the invention having the above structure, in addition to the operation of the third aspect of the invention, the means constituting the engagement pressure control means is based on the output from the atmospheric pressure detection means. At least during a gear shift operation during high altitude traveling, the engagement pressure of the friction engagement element is controlled by controlling the line pressure of the automatic transmission, and the plurality of friction engagement elements that achieve the plurality of shift speeds are provided. The friction engagement means provided is adapted to engage the respective friction engagement elements with the controlled engagement pressure, thereby performing gear shifting.
【００１７】[0017]
【発明の効果】上記作用を奏する第１発明の自動変速機
の制御装置は、検出した車両の現在位置の大気圧に基づ
き前記摩擦係合要素の係合圧を制御して変速を行うの
で、車両の現在位置の大気圧に応じた係合圧制御を可能
にするとともに、応答性の良い係合圧制御を可能にする
という効果を奏する。Since the control device for the automatic transmission according to the first aspect of the present invention, which has the above-described operation, controls the engagement pressure of the friction engagement element based on the detected atmospheric pressure at the current position of the vehicle to perform gear shifting, It is possible to control the engagement pressure according to the atmospheric pressure of the current position of the vehicle, and also to achieve the responsive engagement pressure control.
【００１８】上記作用を奏する第２発明の自動変速機の
制御装置は、前記第１発明の効果に加え、車両の現在位
置情報に基づき精確に大気圧を検出するので、車両の現
在位置の大気圧に応じた精確な係合圧制御を可能にする
という効果を奏する。In addition to the effect of the first aspect of the invention, the control device for an automatic transmission of the second aspect of the present invention, which has the above-described operation, accurately detects the atmospheric pressure based on the current position information of the vehicle. The effect of enabling accurate engagement pressure control according to the atmospheric pressure is achieved.
【００１９】上記作用を奏する第３発明の自動変速機の
制御装置は、前記第１発明の効果に加え、標高情報に基
づき大気圧を検出するので、車両の現在位置に基づき標
高を演算する必要が無いため、応答性の良い係合圧制御
を可能にするという効果を奏する。In addition to the effect of the first aspect of the invention, the control device for an automatic transmission of the third aspect of the present invention, which has the above-described operation, detects atmospheric pressure based on the altitude information, so it is necessary to calculate the altitude based on the current position of the vehicle. Therefore, there is an effect that it is possible to control the engagement pressure with good responsiveness.
【００２０】上記作用を奏する第４発明の自動変速機の
制御装置は、車両の移動に伴う標高情報の変化に基づ
き、車両が登り勾配を走行中か下り勾配を走行中かの車
両の進路を検出するので、かかる車両の進路も加味して
前記摩擦係合要素の係合圧を制御するため、車両が走行
中の勾配の傾斜方向に応じた係合圧の変化の傾向に従っ
た変速制御を可能にするという効果を奏する。The control device for an automatic transmission according to the fourth aspect of the present invention, which has the above-described operation, determines the course of the vehicle whether the vehicle is traveling on an uphill slope or a downhill slope on the basis of changes in altitude information associated with the movement of the vehicle. Since the detection is performed, the engagement pressure of the frictional engagement element is controlled in consideration of the course of the vehicle. Therefore, the shift control is performed in accordance with the tendency of the change in the engagement pressure according to the inclination direction of the gradient while the vehicle is traveling. Has the effect of enabling.
【００２１】上記作用を奏する第５発明の自動変速機の
制御装置は、前記大気圧検出手段からの出力に基づき高
地走行中の少なくとも変速操作時においては自動変速機
のライン圧を制御することにより前記摩擦係合要素の係
合圧を制御するので、オイルポンプのロスを小さくし
て、燃費を向上するという効果を奏する。The automatic transmission control device according to the fifth aspect of the present invention, which has the above-described operation, controls the line pressure of the automatic transmission based on the output from the atmospheric pressure detecting means at least during a gear shifting operation during highland traveling. Since the engagement pressure of the friction engagement element is controlled, there is an effect that the loss of the oil pump is reduced and the fuel consumption is improved.
【００２２】[0022]
【実施例】以下本発明の実施例につき、図面を用いて説
明する。Embodiments of the present invention will be described below with reference to the drawings.
【００２３】（第１実施例）第１実施例の自動変速機の
制御装置は、図１および図２に示すようにＧＰＳレシー
バその他を備えたＧＰＳ受信部１と、地図情報その他の
必要な情報が格納されたナビゲーション用メモリ２と、
ナビゲーション全体を制御するとともに、ＧＰＳからの
情報に基づき車両の現在位置の大気圧を検出する大気圧
検出手段としての機能を備えたナビゲーション制御部３
と、該ナビゲーション制御部３からの信号を記憶する第
１および第２のメモリ４１および４２と、前記ナビゲー
ション制御部３からの信号および前記第１および第２の
メモリ４１および４２に記憶されている信号に基づき係
合圧制御信号その他を出力するＥＣＴ５と、該ＥＣＴ５
からの信号によって制御され、摩擦係合手段の摩擦係合
要素の係合圧制御手段を備えた変速機６とから成る。(First Embodiment) A control device for an automatic transmission according to the first embodiment is, as shown in FIGS. 1 and 2, a GPS receiver 1 having a GPS receiver and others, map information and other necessary information. Navigation memory 2 in which is stored,
The navigation control unit 3 is provided with a function as an atmospheric pressure detecting means for controlling the entire navigation and detecting the atmospheric pressure at the current position of the vehicle based on the information from the GPS.
And first and second memories 41 and 42 for storing signals from the navigation controller 3, and signals stored from the navigation controller 3 and the first and second memories 41 and 42. An ECT5 that outputs an engagement pressure control signal and the like based on the signal, and the ECT5
And a transmission 6 which is controlled by a signal from the control means and has an engagement pressure control means for the friction engagement element of the friction engagement means.
【００２４】前記ＧＰＳ受信部１は、ＧＰＳレシーバ
と、ジャイロスコープおよび車速その他の車両信号を検
出する各種車両センサを含みナビゲーションに必要な位
置、高度、車速、旋回その情報を検出し得る構成より成
る。The GPS receiving section 1 includes a GPS receiver, a gyroscope, and various vehicle sensors for detecting vehicle signals such as vehicle speed and the like, and is configured to detect the position, altitude, vehicle speed and turning information necessary for navigation. .
【００２５】前記ＧＰＳレシーバは、４個以上のＧＰＳ
衛星から発信されている時刻および軌道位置のデータを
使って、三角測量の原理によって３次元測位方式による
車両の現在位置の緯度、経度、高度を検出、確定するも
のである。The GPS receiver comprises four or more GPS receivers.
By using the time and orbit position data transmitted from the satellite, the latitude, longitude and altitude of the current position of the vehicle are detected and determined by the three-dimensional positioning method by the principle of triangulation.
【００２６】前記ジャイロスコープは、車両内の適宜箇
所に配設され、車両の旋回に伴う角速度信号を出力し得
る構成より成るものである。又、加えて、車両の位置を
検出するものとして、ピーコン受信装置、距離センサ等
が使用される。The gyroscope is arranged at an appropriate place in the vehicle and has a structure capable of outputting an angular velocity signal associated with turning of the vehicle. In addition, as a device for detecting the position of the vehicle, a peak computer receiver, a distance sensor, etc. are used.
【００２７】前記ナビゲーション用メモリ２は、地図情
報、道路情報、交差点情報、その他の必要な情報が予め
格納されたＣＤ−ＲＯＭより成るものである。The navigation memory 2 is composed of a CD-ROM in which map information, road information, intersection information, and other necessary information are stored in advance.
【００２８】前記ナビゲーション制御部３は、前記ＧＰ
Ｓ受信部１およびナビゲーション用メモリ２に接続さ
れ、ナビゲーション全体を制御するとともに前記ＧＰＳ
からの前記高度情報に基づき車両の現在位置の大気圧を
近似演算する大気圧検出手段としての機能を備えたもの
である。The navigation control unit 3 uses the GP
The GPS is connected to the S receiver 1 and the navigation memory 2 to control the entire navigation and the GPS.
It is provided with a function as an atmospheric pressure detecting means for approximating the atmospheric pressure of the current position of the vehicle based on the altitude information from.
【００２９】前記第１および第２のメモリ４１および４
２は、前記ナビゲーション制御部３およびＥＣＴ５にそ
れぞれ接続され、該ナビゲーション制御部３からの車両
の現在位置に対応する大気圧信号を記憶する。The first and second memories 41 and 4
Reference numeral 2 is connected to the navigation control unit 3 and the ECT 5, respectively, and stores an atmospheric pressure signal from the navigation control unit 3 corresponding to the current position of the vehicle.
【００３０】前記ＥＣＴ５は、大気圧に対応する摩擦係
合要素の係合圧をデータベースとして格納したメモリを
備え、前記ナビゲーション制御部３から出力される大気
圧信号に基づき、前記メモリの係合圧のデータによって
係合圧制御信号を出力し得る構成より成る。The ECT 5 has a memory that stores the engagement pressure of the friction engagement element corresponding to the atmospheric pressure as a database, and based on the atmospheric pressure signal output from the navigation control section 3, the engagement pressure of the memory. The data can be used to output an engagement pressure control signal.
【００３１】前記変速機６は、前記ＥＣＴ５からの係合
圧制御信号によって各摩擦係合要素の係合圧を制御する
係合圧制御手段と、該係合圧制御手段によって係合圧が
制御される各摩擦係合要素を備えた摩擦係合手段を備え
ている。In the transmission 6, the engagement pressure control means for controlling the engagement pressure of each friction engagement element according to the engagement pressure control signal from the ECT 5, and the engagement pressure control means for controlling the engagement pressure. The friction engagement means is provided with each friction engagement element.
【００３２】上記構成より成る第１実施例の自動変速機
の制御装置の作用について、図２のフローチャートに従
い説明する。The operation of the automatic transmission control system of the first embodiment having the above construction will be described with reference to the flow chart of FIG.
【００３３】ステップ１０１において、前記ナビゲーシ
ョン装置からの前記高度情報に基づき車両の現在位置の
大気圧を近似演算し、かかる近似演算された大気圧を前
記第１のメモリ４１（メモリＡ）に格納する。In step 101, the atmospheric pressure at the current position of the vehicle is approximately calculated based on the altitude information from the navigation device, and the approximated atmospheric pressure is stored in the first memory 41 (memory A). .
【００３４】ステップ１０２において、前記ＥＣＴ５に
よって前記第１のメモリ４１に格納され、近似演算され
た大気圧に対応する前記メモリに格納されている係合圧
のデータを選択し、ステップ１０３において、該選択さ
れた係合圧のデータによって係合圧制御信号を出力す
る。In step 102, the engagement pressure data stored in the first memory 41 by the ECT 5 and stored in the memory corresponding to the approximated atmospheric pressure is selected. An engagement pressure control signal is output according to the selected engagement pressure data.
【００３５】次にステップ１０４において、前記ナビゲ
ーション装置からの前記高度情報に基づき車両の現在位
置の大気圧を近似演算し、かかる近似演算された大気圧
を前記第２のメモリ４１（メモリＢ）に格納する。Next, at step 104, the atmospheric pressure at the current position of the vehicle is approximately calculated based on the altitude information from the navigation device, and the approximated atmospheric pressure is stored in the second memory 41 (memory B). Store.
【００３６】ステップ１０５において、前記第１のメモ
リの大気圧と前記第２のメモリの大気圧とが等しいかど
うかを判定し、等しくない場合は、ステップ１０６にお
いて前記第２のメモリの大気圧を前記第１のメモリに格
納して、ステップ１０２に戻る。In step 105, it is determined whether the atmospheric pressure of the first memory and the atmospheric pressure of the second memory are equal. If they are not equal, the atmospheric pressure of the second memory is determined in step 106. Store in the first memory and return to step 102.
【００３７】ステップ１０５において、前記第１のメモ
リの大気圧と前記第２のメモリの大気圧とが等しい場合
は、ステップ１０４に戻り、前記ナビゲーション装置か
らの前記高度情報に基づき車両の現在位置の大気圧を近
似演算し、かかる近似演算された大気圧を前記第２のメ
モリ４１（メモリＢ）に格納する。In step 105, when the atmospheric pressure in the first memory is equal to the atmospheric pressure in the second memory, the process returns to step 104 and the current position of the vehicle is determined based on the altitude information from the navigation device. The atmospheric pressure is approximately calculated, and the approximated atmospheric pressure is stored in the second memory 41 (memory B).
【００３８】前記ＥＣＴ５は、上記フローチャートに従
い前記ナビゲーション制御部３から出力された大気圧信
号に基づき、前記メモリの係合圧のデータによって係合
圧制御信号を出力する。The ECT 5 outputs an engagement pressure control signal according to the engagement pressure data in the memory based on the atmospheric pressure signal output from the navigation control unit 3 according to the above-mentioned flowchart.
【００３９】前記変速機６は、前記係合圧制御手段が、
前記ＥＣＴ５からの係合圧制御信号によって各摩擦係合
要素の係合圧を制御することにより、前記摩擦係合手段
の各摩擦係合要素の係合圧が制御され、変速が行われ
る。In the transmission 6, the engagement pressure control means is
By controlling the engagement pressure of each friction engagement element by the engagement pressure control signal from the ECT 5, the engagement pressure of each friction engagement element of the friction engagement means is controlled, and gear shifting is performed.
【００４０】上記作用を奏する第１実施例の自動変速機
の制御装置は、ナビゲーション装置からの情報に基づき
検出した車両の現在位置の大気圧に基づき前記摩擦係合
要素の係合圧を制御して変速を行うので、車両の現在位
置の大気圧に応じた係合圧制御を可能にするとともに、
上記従来装置のようにイグニッションスイッチのオンオ
フの影響を受けることなく、応答性の良い係合圧制御を
可能にするという効果を奏する。The control device for the automatic transmission of the first embodiment having the above-mentioned operation controls the engagement pressure of the friction engagement element based on the atmospheric pressure at the current position of the vehicle detected based on the information from the navigation device. Since gear shifting is performed by using the gear shift control, it is possible to control the engagement pressure according to the atmospheric pressure at the current position of the vehicle.
As in the above-mentioned conventional device, the effect of enabling the responsive engagement pressure control without being affected by the on / off of the ignition switch is exerted.
【００４１】また第１実施例の自動変速機の制御装置
は、ナビゲーション装置から出力される前記高度情報に
基づき大気圧を近似演算するので、車両の現在位置に基
づき標高を演算する必要が無いため、応答性の良い係合
圧制御を可能にするという効果を奏する。Further, since the control device for the automatic transmission of the first embodiment approximately calculates the atmospheric pressure based on the altitude information output from the navigation device, it is not necessary to calculate the altitude based on the current position of the vehicle. The effect of enabling highly responsive engagement pressure control is achieved.
【００４２】（第２実施例）第２実施例の自動変速機の
制御装置は、図１および図３に示すように前記ナビゲー
ション制御部３から出力される車両の現在位置の高度情
報ｈ(m) を利用して、ＥＣＴ５内においてこの高度情報
ｈ(m) に基づき Ｐ(HD)＝１０１３．８５／１０h/18410 に従い近似演算を行うことにより大気圧Ｐ(HD)を求める
点が前記第１実施例との相違点であり、他は同様である
ので説明を省略する。(Second Embodiment) As shown in FIGS. 1 and 3, the control apparatus for an automatic transmission according to the second embodiment of the present invention outputs altitude information h (m) of the current position of the vehicle output from the navigation control unit 3. ) Is used to obtain the atmospheric pressure P (HD) by performing an approximate calculation according to P (HD) = 1013.85 / 10 h / 18410 based on this altitude information h (m) in ECT5. The difference from the first embodiment is the same as the other embodiments, and a description thereof will be omitted.
【００４３】上記構成の第２実施例の自動変速機の制御
装置は、ナビゲーション装置から出力される高度情報ｈ
(m) に基づき大気圧Ｐ(HD)を近似演算するので、車両の
現在位置に基づき標高を演算する必要が無いため、応答
性の良い係合圧制御を可能にするという効果を奏する。The control device for the automatic transmission according to the second embodiment having the above-mentioned structure is provided with the altitude information h output from the navigation device.
Since the atmospheric pressure P (HD) is approximately calculated on the basis of (m) , it is not necessary to calculate the altitude based on the current position of the vehicle, so that the engaging pressure control with good responsiveness can be achieved.
【００４４】（第３実施例）第３実施例の自動変速機の
制御装置は、図１および図４に示すように前記ナビゲー
ション制御部３から出力される前記ＧＰＳからの車両の
現在位置すなわち車両の緯度および経度と気象情報に含
まれる緯度および経度との対応を取ることにより、前線
通過中であるとか、移動性高気圧の通過中であるとか、
寒気団の通過中であるといったナビゲーション装置から
の気象情報に基づいて、ＥＣＴ５内においてさらに緻密
に大気圧を推定する点が前記第１実施例との相違点であ
り、他は同様であるので説明を省略する。(Third Embodiment) As shown in FIGS. 1 and 4, the control device for an automatic transmission according to the third embodiment is the current position of the vehicle from the GPS output from the navigation control unit 3, that is, the vehicle. By taking the correspondence between the latitude and longitude of and the latitude and longitude included in the meteorological information, it is being passed through the front or a mobile high pressure,
The difference from the first embodiment is that the atmospheric pressure is more precisely estimated in the ECT5 based on the weather information from the navigation device that the cold air mass is passing, and the other points are the same. Is omitted.
【００４５】上記構成の第３実施例の自動変速機の制御
装置は、ＧＰＳからの気象情報を加味して大気圧を緻密
に推定するので、車両の現在位置の大気圧に応じた一層
精確な係合圧制御を可能にするという効果を奏する。Since the control device for the automatic transmission according to the third embodiment having the above-mentioned structure precisely estimates the atmospheric pressure in consideration of the weather information from the GPS, it is more accurate according to the atmospheric pressure at the present position of the vehicle. This has the effect of enabling engagement pressure control.
【００４６】（第４実施例）第４実施例の自動変速機の
制御装置は、図１および図５に示すように前記車両の現
在位置の変化に伴う大気圧の変化に基づき、車両が登り
勾配を走行中か下り勾配を走行中かを検出する進路検出
手段を備えている点が前記第１実施例との相違点であ
り、他は同様であるので説明を省略する。(Fourth Embodiment) As shown in FIGS. 1 and 5, the control device for an automatic transmission according to the fourth embodiment is such that the vehicle climbs up based on the change in atmospheric pressure accompanying the change in the current position of the vehicle. It is different from the first embodiment in that it is provided with a route detecting means for detecting whether the vehicle is traveling on a gradient or traveling on a downward gradient.
【００４７】すなわち図５に示すようにステップ２０１
において、ナビゲーション装置で車両の現在位置を把握
し、ステップ２０２において、ナビゲーション用メモリ
２内の地図上の位置を読み出し、第１メモリ４１（メモ
リＡ）に記憶する。That is, as shown in FIG. 5, step 201
At, the current position of the vehicle is grasped by the navigation device, and at step 202, the position on the map in the navigation memory 2 is read out and stored in the first memory 41 (memory A).
【００４８】次にステップ２０３において、ナビゲーシ
ョン装置で車両の現在位置を把握し、ステップ２０４に
おいて、ナビゲーション用メモリ２内の地図上の位置を
読み出し、第２メモリ４２（メモリＢ）に記憶する。Next, in step 203, the current position of the vehicle is grasped by the navigation device, and in step 204, the position on the map in the navigation memory 2 is read out and stored in the second memory 42 (memory B).
【００４９】ステップ２０５において、前記第１メモリ
４１および第２メモリ４２に記憶した位置データが等し
いかどうか判定し、異なる場合はステップ２０６におい
て、前記第１メモリ４１および第２メモリ４２に記憶し
た位置データから進行方向を把握する。In step 205, it is determined whether the position data stored in the first memory 41 and the second memory 42 are equal, and if they are different, the position stored in the first memory 41 and the second memory 42 is determined in step 206. Know the direction of travel from the data.
【００５０】ステップ２０７において、前記第２メモリ
４２に記憶した位置データを前記第１メモリ４１に格納
し、ステップ２０８において車両の移動による前記位置
データの変化（進行方向）に伴う大気圧の変化からナビ
ゲーション装置によって登り勾配を走行中か下り勾配を
走行中かを把握する。In step 207, the position data stored in the second memory 42 is stored in the first memory 41, and in step 208, from the change in atmospheric pressure due to the change in the position data due to the movement of the vehicle (direction of travel), The navigation device determines whether the vehicle is traveling uphill or downhill.
【００５１】ステップ２０９において、ステップ２０９
において車両が登り勾配を走行中か下り勾配を走行中か
に応じた係合圧の変化傾向でもって、係合圧制御を行う
ものである。In Step 209, Step 209
In the above, the engagement pressure control is performed according to the change tendency of the engagement pressure depending on whether the vehicle is traveling on an uphill slope or a downhill slope.
【００５２】上記構成および作用を奏する第４実施例の
自動変速機の制御装置は、前記進路検出手段によって車
両の移動に伴う大気圧の変化に基づき、車両が登り勾配
を走行中か下り勾配を走行中かの車両の進路を検出する
ので、かかる車両の進路も加味して前記摩擦係合要素の
係合圧を制御するため、車両が走行中の勾配の傾斜方向
に応じた係合圧の変化の傾向に従った変速制御を可能に
するという効果を奏する。In the control device for an automatic transmission according to the fourth embodiment having the above-described structure and operation, the vehicle is traveling uphill or downhill on the basis of the change in atmospheric pressure due to the movement of the vehicle by the path detecting means. Since the course of the vehicle while traveling is detected, the engagement pressure of the friction engagement element is controlled by taking the course of the vehicle into consideration. This has the effect of enabling shift control according to the tendency of change.
【００５３】（第５実施例）第５実施例の自動変速機の
制御装置は、図１および図６に示すように係合圧制御手
段が、前記大気圧検出手段からの出力に基づき高地走行
中の少なくとも変速操作時においては自動変速機のライ
ン圧を制御する手段を備えている点が前記第１実施例と
の相違点であり、他は同様であるので説明を省略する。(Fifth Embodiment) In a control device for an automatic transmission according to a fifth embodiment, as shown in FIGS. 1 and 6, the engagement pressure control means is operated at high altitude based on the output from the atmospheric pressure detection means. The difference from the first embodiment is that a means for controlling the line pressure of the automatic transmission is provided at least during the gear shifting operation, and the other points are the same and the description thereof is omitted.
【００５４】すなわち図６に示すようにステップ３０１
において第１メモリ（メモリＡ）に大気圧１ａｔｍのデ
ータを書き込み、ステップ３０２において、変速機６内
の係合圧を１ａｔｍ状態にセットする。That is, as shown in FIG. 6, step 301
At, the data of the atmospheric pressure of 1 atm is written in the first memory (memory A), and at step 302, the engagement pressure in the transmission 6 is set to the 1 atm state.
【００５５】ステップ３０３において、車両の現在位置
の大気圧をナビゲーション装置を用いて検出し、第２メ
モリ（メモリＢ）に書き込み、ステップ３０４におい
て、前記第１メモリ４１および第２メモリ４２に記憶し
た係合圧が等しいかどうかを判定する。At step 303, the atmospheric pressure at the current position of the vehicle is detected using the navigation device and written in the second memory (memory B). At step 304, it is stored in the first memory 41 and the second memory 42. It is determined whether the engagement pressures are equal.
【００５６】ステップ３０５において、前記係合圧が異
なる場合には前記第２メモリ４２の係合圧を前記第１メ
モリ４１に格納し、ステップ３０６において、第１メモ
リ４１に格納されている係合圧に対応するライン圧デー
タをＥＣＴ内のデータテーブルから読み出す。In step 305, when the engagement pressures are different, the engagement pressure of the second memory 42 is stored in the first memory 41, and in step 306, the engagement pressure stored in the first memory 41 is stored. The line pressure data corresponding to the pressure is read from the data table in the ECT.
【００５７】ステップ３０７において、前記ＥＣＴ５内
の前記データテーブルから読み出されたライン圧データ
に基づき前記係合圧制御手段のアクチュエータを作動さ
せ、変速機６の各摩擦係合要素を最適係合圧で係合さ
せ、変速を行うものである。In step 307, the actuator of the engagement pressure control means is operated based on the line pressure data read out from the data table in the ECT 5, and the friction engagement elements of the transmission 6 are adjusted to the optimum engagement pressure. Is engaged to shift gears.
【００５８】上記構成およひ作用を奏する第５実施例の
自動変速機の制御装置は、前記大気圧検出手段からの出
力に基づき高地走行中の少なくとも変速操作時において
は自動変速機のライン圧を制御することにより前記摩擦
係合要素の係合圧を制御するので、オイルポンプのロス
を小さくして、燃費を向上するという効果を奏する。The automatic transmission control device of the fifth embodiment having the above-described structure and operation has the line pressure of the automatic transmission based on the output from the atmospheric pressure detecting means at least during the gear shifting operation during highland traveling. Since the engagement pressure of the friction engagement element is controlled by controlling the above, there is an effect that the loss of the oil pump is reduced and the fuel consumption is improved.
【００５９】（第６実施例）第６実施例の自動変速機の
制御装置は、図１および図７に示すように前記ナビゲー
ション制御部３から出力される車両の現在位置情報を利
用して、ＥＣＴ５内においてこの現在位置情報に基づき
位置−標高マップによって標高データを読み出し、読み
出した標高データに基づき近似式に従って大気圧を近似
演算する点が前記第１実施例との相違点であり、他は同
様であるので説明を省略する。(Sixth Embodiment) As shown in FIGS. 1 and 7, the control device for an automatic transmission according to the sixth embodiment uses the current position information of the vehicle output from the navigation control unit 3, In the ECT 5, the altitude data is read by the position-altitude map based on the current position information, and the atmospheric pressure is approximately calculated according to the approximate expression based on the read altitude data, which is a difference from the first embodiment. The description is omitted because it is similar.
【００６０】上記構成の第６実施例の自動変速機の制御
装置は、ナビゲーション装置からの車両の現在位置情報
に基づき前記ＥＣＴ５内において精確に大気圧を近似演
算するので、車両の現在位置の大気圧に応じた精確な係
合圧制御を可能にするという効果を奏する。Since the control device for the automatic transmission of the sixth embodiment having the above-mentioned structure accurately approximates the atmospheric pressure in the ECT 5 based on the current position information of the vehicle from the navigation device, the current position of the vehicle is determined to be large. The effect of enabling accurate engagement pressure control according to the atmospheric pressure is achieved.
【００６１】また第６実施例の自動変速機の制御装置
は、ナビゲーション装置からは車両の現在位置情報のみ
を出力するだけでよいので、３個のＧＰＳ衛星を使って
行う２次元測位方式のナビゲーション装置を利用するこ
とが出来るという効果を奏する。Further, since the control device for the automatic transmission of the sixth embodiment only needs to output the current position information of the vehicle from the navigation device, the two-dimensional positioning navigation using three GPS satellites is used. An effect that the device can be used is exhibited.
【００６２】上述の実施例は、説明のために例示したも
ので、本発明としてはそれらに限定されるものでは無
く、特許請求の範囲、発明の詳細な説明および図面の記
載から当業者が認識することができる本発明の技術的思
想に反しない限り、変更および付加が可能である。The embodiments described above are merely examples for the purpose of explanation, and the present invention is not limited to them. Those skilled in the art will recognize from the claims, the detailed description of the invention and the description of the drawings. Modifications and additions can be made without departing from the technical idea of the present invention.
【００６３】前記第４実施例においては、一例として車
両の現在位置の変化を検出してそれに伴う大気圧の変化
に基づき、車両が登り勾配を走行中か下り勾配を走行中
かを検出する例について説明したが、本発明は、それら
に限定されるものでは無く、演算を簡単にするために前
記第１実施例のようにナビゲーション制御部から直接出
力される車両の現在位置における大気圧と移動後の次の
車両の現在位置における大気圧とを比較することによ
り、この大気圧の差から車両が登り勾配を走行中か下り
勾配を走行中かを検出する態様も採用することが可能で
ある。In the fourth embodiment, as an example, a change in the current position of the vehicle is detected, and based on the change in the atmospheric pressure, it is detected whether the vehicle is traveling uphill or downhill. However, the present invention is not limited to these, and in order to simplify the calculation, the atmospheric pressure and movement at the current position of the vehicle output directly from the navigation control unit as in the first embodiment are described. By comparing the atmospheric pressure at the current position of the next next vehicle, it is also possible to adopt a mode in which it is detected from the difference in atmospheric pressure whether the vehicle is traveling uphill or downhill. .
【図１】本発明の第１ないし第６実施例装置を示すブロ
ック図である。FIG. 1 is a block diagram showing an apparatus according to first to sixth embodiments of the present invention.
【図２】本第１実施例の動作フローを示すチャート図で
ある。FIG. 2 is a chart showing an operation flow of the first embodiment.
【図３】本発明の第２実施例の大気圧検出フローを示す
チャート図である。FIG. 3 is a chart showing an atmospheric pressure detection flow of a second embodiment of the present invention.
【図４】本発明の第３実施例の気象情報に基づく大気圧
検出フローを示すチャート図である。FIG. 4 is a chart showing an atmospheric pressure detection flow based on weather information according to a third embodiment of the present invention.
【図５】本発明の第４実施例の車両の進行方向検出フロ
ーを示すチャート図である。FIG. 5 is a chart showing a vehicle traveling direction detection flow according to a fourth embodiment of the present invention.
【図６】本発明の第５実施例のライン圧制御フローを示
すチャート図である。FIG. 6 is a chart showing a line pressure control flow of a fifth embodiment of the present invention.
【図７】本発明の第６実施例の大気圧検出フローを示す
チャート図である。FIG. 7 is a chart showing an atmospheric pressure detection flow of a sixth embodiment of the present invention.
【図８】従来装置を示すブロック図である。FIG. 8 is a block diagram showing a conventional device.
１ ＧＰＳ受信部 ２ ナビゲーション用メモリ ３ ナビゲーション制御部 ４１ 第１のメモリ ４２ 第２のメモリ ５ ＥＣＴ ６ 変速機 1 GPS Receiver 2 Navigation Memory 3 Navigation Controller 41 First Memory 42 Second Memory 5 ECT 6 Transmission
───────────────────────────────────────────────────── フロントページの続き (72)発明者 村瀬 好隆 愛知県安城市藤井町高根10番地 アイシ ン・エィ・ダブリュ株式会社内 (72)発明者 横山 昭二 東京都千代田区外神田２丁目19番地12号 株式会社エクォス・リサーチ内 (72)発明者 河本 清 東京都千代田区外神田２丁目19番地12号 株式会社エクォス・リサーチ内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshitaka Murase 10 Takane, Fujii-cho, Anjo City, Aichi Prefecture Aisin AW Co., Ltd. (72) Inventor Shoji Yokoyama 2-19 Sotokanda, Chiyoda-ku, Tokyo No. 12 Equas Research Co., Ltd. (72) Inventor Kiyoshi Kawamoto 2-19 Sotokanda, Chiyoda-ku, Tokyo No. 12 Equas Research Co., Ltd.
Claims (5)
圧検出手段と、 複数の変速段を達成する複数の摩擦係合要素を備えた摩
擦係合手段と、 前記大気圧検出手段の出力に基づき前記摩擦係合要素の
係合圧を制御する係合圧制御手段とを備えたことを特徴
とする自動変速機の制御装置。1. An atmospheric pressure detecting means for detecting an atmospheric pressure at a current position of a vehicle, a friction engaging means having a plurality of friction engaging elements for achieving a plurality of shift stages, and an output of the atmospheric pressure detecting means. And an engagement pressure control means for controlling the engagement pressure of the friction engagement element based on the above.
気圧を検出する手段を備えていることを特徴とする自動
変速機の制御装置。2. The control device for the automatic transmission according to claim 1, wherein the atmospheric pressure detecting means includes means for detecting atmospheric pressure based on current position information of the vehicle.
する手段を備えていることを特徴とする自動変速機の制
御装置。3. The control device for an automatic transmission according to claim 1, wherein the atmospheric pressure detecting means includes means for detecting atmospheric pressure based on altitude information.
き、車両が登り勾配を走行中か下り勾配を走行中かを検
出する進路検出手段を備えていることを特徴とする自動
変速機の制御装置。4. The route detection means according to claim 3, wherein the route detection means detects whether the vehicle is traveling on an ascending slope or a descending slope based on a change in altitude information accompanying a change in the current position of the vehicle. A control device for an automatic transmission, characterized in that
に基づき高地走行中の少なくとも変速操作時においては
自動変速機のライン圧を制御する手段を備えていること
を特徴とする自動変速機の制御装置。5. The engagement pressure control means according to claim 3, further comprising means for controlling the line pressure of the automatic transmission based on an output from the atmospheric pressure detection means at least during a gear shift operation during highland traveling. A control device for an automatic transmission characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7120620A JPH08291856A (en) | 1995-04-20 | 1995-04-20 | Controller for automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7120620A JPH08291856A (en) | 1995-04-20 | 1995-04-20 | Controller for automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08291856A true JPH08291856A (en) | 1996-11-05 |
Family
ID=14790750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7120620A Pending JPH08291856A (en) | 1995-04-20 | 1995-04-20 | Controller for automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08291856A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004347062A (en) * | 2003-05-23 | 2004-12-09 | Toyota Motor Corp | Control device and control method for automatic transmission |
| JP2006275909A (en) * | 2005-03-30 | 2006-10-12 | Honda Motor Co Ltd | Tire air pressure monitor and vehicle provided with it |
| JP2008275153A (en) * | 2007-04-16 | 2008-11-13 | Honda Motor Co Ltd | Clutch engagement controller for vehicle and method of the same |
| JP2009022098A (en) * | 2007-07-11 | 2009-01-29 | Toyota Motor Corp | In-vehicle motor controller |
-
1995
- 1995-04-20 JP JP7120620A patent/JPH08291856A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004347062A (en) * | 2003-05-23 | 2004-12-09 | Toyota Motor Corp | Control device and control method for automatic transmission |
| US7359784B2 (en) | 2003-05-23 | 2008-04-15 | Toyota Jidosha Kabushiki Kaisha | Control apparatus and control method for automatic transmission |
| JP2006275909A (en) * | 2005-03-30 | 2006-10-12 | Honda Motor Co Ltd | Tire air pressure monitor and vehicle provided with it |
| JP2008275153A (en) * | 2007-04-16 | 2008-11-13 | Honda Motor Co Ltd | Clutch engagement controller for vehicle and method of the same |
| JP2009022098A (en) * | 2007-07-11 | 2009-01-29 | Toyota Motor Corp | In-vehicle motor controller |
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