JPH029368U - - Google Patents
Info
- Publication number
- JPH029368U JPH029368U JP8574688U JP8574688U JPH029368U JP H029368 U JPH029368 U JP H029368U JP 8574688 U JP8574688 U JP 8574688U JP 8574688 U JP8574688 U JP 8574688U JP H029368 U JPH029368 U JP H029368U
- Authority
- JP
- Japan
- Prior art keywords
- friction element
- temperature
- inertia phase
- automatic transmission
- upshift
- 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 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims 4
- 230000007812 deficiency Effects 0.000 claims 1
- 230000020169 heat generation Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図ａ，ｂは夫々本考案容量不足検出装置及
び容量不足補償装置の概念図、第２図は本考案装
置の一実施例を示す機能別ブロツク図、第３図は
同例におけるコンピユータの制御プログラムを示
すフローチヤート、第４図は自動変速機の１→２
アツプシフト変速を示す動作タイムチヤート、第
５図は容量不足検出動作のタイムチヤート、第６
図は本考案の他の例を示す機能別ブロツク線図、
第７図は自動変速機のアツプシフト変速を示す動
作タイムチヤート、第８図は本考案の更に他の例
を示す機能別ブロツク線図、第９図は同例におけ
るコンピユータの制御プログラムを示すフローチ
ヤートである。
１……エンジン、２……自動変速機、５……第
１シフトソレノイド、６……第２シフトソレノイ
ド、７……ライン圧デユーテイソレノイド、８…
…自動変速機コントロール部、９……出力回転セ
ンサ、１０……スロツトルセンサ、１１……エン
ジン回転センサ、１２……摩擦要素容量不足検出
部、１３……タービン回転センサ、１４……油温
センサ、１５……警報器、６０……ライン圧上昇
部。
1a and 1b are conceptual diagrams of the capacity shortage detection device and capacity shortage compensation device of the present invention, respectively, FIG. 2 is a functional block diagram showing an embodiment of the device of the present invention, and FIG. 3 is a diagram of a computer in the same example. Flowchart showing the control program, Figure 4 shows automatic transmission 1→2
Figure 5 is an operation time chart showing upshift speed change, Figure 5 is a time chart of capacity shortage detection operation, Figure 6 is
The figure is a functional block diagram showing another example of the present invention.
Fig. 7 is an operation time chart showing an upshift of an automatic transmission, Fig. 8 is a functional block diagram showing yet another example of the present invention, and Fig. 9 is a flow chart showing a computer control program in the same example. It is. DESCRIPTION OF SYMBOLS 1... Engine, 2... Automatic transmission, 5... First shift solenoid, 6... Second shift solenoid, 7... Line pressure duty solenoid, 8...
... Automatic transmission control section, 9 ... Output rotation sensor, 10 ... Throttle sensor, 11 ... Engine rotation sensor, 12 ... Friction element capacity shortage detection section, 13 ... Turbine rotation sensor, 14 ... Oil temperature Sensor, 15...Alarm, 60...Line pressure riser.
Claims (1)
動で所定変速段への変速を行うようにした自動変
速機において、 アツプシフト変速を検知するアツプシフト変速
検知手段と、 このアツプシフト変速中のイナーシヤフエーズ
継続時間を計測する計時手段と、 このアツプシフト変速中作動させることとなつ
た摩擦要素のイナーシヤフエーズ前後における回
転落差を演算する回転落差演算手段と、 アツプシフト変速中前記イナーシヤフエーズ継
続時間及び回転落差からイナーシヤフエーズ中に
おける摩擦要素の発熱量を求めて該摩擦要素の上
昇温度を演算する摩擦要素上昇温度演算手段と、 自動変速機の作動油温を検出する油温センサと
、 前記摩擦要素の上昇温度及び自動変速機の作動
油温から該摩擦要素の最終温度を演算する摩擦要
素最終温度演算手段と、 この手段による最終温度の演算をイナーシヤフ
エーズ中所定サイクルで繰り返させてこの摩擦要
素の最終温度が設定値以上になる時を該摩擦要素
の容量不足と判定する容量不足判定手段と を設けてなる自動変速機用摩擦要素の容量不足
検出装置。 ２ 各種摩擦要素のライン圧による選択的油圧作
動で所定変速段への変速を行うようにした自動変
速機において、 アツプシフト変速を検知するアツプシフト変速
検知手段と、 このアツプシフト変速中のイナーシヤフエーズ
継続時間を計測する計時手段と、 このアツプシフト変速中作動させることとなつ
た摩擦要素のイナーシヤフエーズ前後における回
転落差を演算する回転落差演算手段と、 アツプシフト変速中前記イナーシヤフエーズ継
続時間及び回転落差からイナーシヤフエーズ中に
おける摩擦要素の発熱量を求めて該摩擦要素の上
昇温度を演算する摩擦要素上昇温度演算手段と、 自動変速機の作動油温を検出する油温センサと
、 前記摩擦要素の上昇温度及び自動変速機の作動
油温から該摩擦要素の最終温度を演算する摩擦要
素最終温度演算手段と、 この手段による最終温度の演算をイナーシヤフ
エーズ中所定サイクルで繰り返させてこの摩擦要
素の最終温度が設定値以上になる時を該摩擦要素
の容量不足と判定する容量不足判定手段と、 この手段による容量不足判定時ライン圧を上昇
させるライン圧上昇手段と を設けてなる自動変速機用摩擦要素の容量不足
補償装置。[Scope of Claim for Utility Model Registration] 1. An upshift shift detection means for detecting an upshift shift in an automatic transmission that shifts to a predetermined gear by selective hydraulic operation using line pressure of various friction elements; a timer for measuring the duration of the inertia phase during the upshift; a rotational head calculation means for calculating the rotational drop before and after the inertia phase of the friction element that is to be operated during the upshift; Friction element increase temperature calculation means for calculating the temperature increase of the friction element by calculating the heat generation amount of the friction element during the inertia phase from the inertia phase duration time and the rotational head; and detecting the hydraulic oil temperature of the automatic transmission. a friction element final temperature calculation means for calculating the final temperature of the friction element from the increased temperature of the friction element and the hydraulic oil temperature of the automatic transmission; A capacity shortage detection device for a friction element for an automatic transmission, comprising: capacity shortage determination means for determining that the capacity of the friction element is insufficient when the final temperature of the friction element becomes equal to or higher than a set value after being repeated in a predetermined cycle. . 2. In an automatic transmission configured to shift to a predetermined gear by selective hydraulic operation using line pressure of various friction elements, an upshift shift detection means for detecting an upshift shift, and an inertia phase continuation during this upshift shift. a clocking means for measuring time; a rotational head calculation means for calculating a rotational drop before and after the inertia phase of the friction element that is to be operated during this upshift; a friction element increase temperature calculation means that calculates the temperature increase of the friction element by determining the calorific value of the friction element during inertia phase from the head; an oil temperature sensor that detects the temperature of the hydraulic oil of the automatic transmission; Friction element final temperature calculation means for calculating the final temperature of the friction element from the increased temperature of the element and the hydraulic oil temperature of the automatic transmission; and a friction element final temperature calculation means that calculates the final temperature by this means in a predetermined cycle during the inertia phase. An automatic system comprising: a capacity shortage determining means for determining that the capacity of the friction element is insufficient when the final temperature of the friction element exceeds a set value; and a line pressure increasing means for increasing the line pressure when the capacity is determined to be insufficient by this means. Capacity deficiency compensation device for friction elements for transmissions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8574688U JPH029368U (en) | 1988-06-30 | 1988-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8574688U JPH029368U (en) | 1988-06-30 | 1988-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH029368U true JPH029368U (en) | 1990-01-22 |
Family
ID=31310397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8574688U Pending JPH029368U (en) | 1988-06-30 | 1988-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH029368U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7933706B2 (en) | 2007-09-26 | 2011-04-26 | Jatco Ltd | Shift control device for automatic transmission and control method thereof |
| JP4722105B2 (en) * | 2007-09-26 | 2011-07-13 | ジヤトコ株式会社 | Shift control device for automatic transmission |
| US8065064B2 (en) | 2007-09-26 | 2011-11-22 | Jatco Ltd | Shift control device for automatic transmission and control method thereof |
| US8370036B2 (en) | 2007-09-26 | 2013-02-05 | Jatco Ltd | Shift control device for automatic transmission and control method thereof |
-
1988
- 1988-06-30 JP JP8574688U patent/JPH029368U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7933706B2 (en) | 2007-09-26 | 2011-04-26 | Jatco Ltd | Shift control device for automatic transmission and control method thereof |
| JP4722105B2 (en) * | 2007-09-26 | 2011-07-13 | ジヤトコ株式会社 | Shift control device for automatic transmission |
| US8065064B2 (en) | 2007-09-26 | 2011-11-22 | Jatco Ltd | Shift control device for automatic transmission and control method thereof |
| US8370036B2 (en) | 2007-09-26 | 2013-02-05 | Jatco Ltd | Shift control device for automatic transmission and control method thereof |
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