JP2000009249A - Solenoid valve drive unit - Google Patents
Solenoid valve drive unitInfo
- Publication number
- JP2000009249A JP2000009249A JP17319698A JP17319698A JP2000009249A JP 2000009249 A JP2000009249 A JP 2000009249A JP 17319698 A JP17319698 A JP 17319698A JP 17319698 A JP17319698 A JP 17319698A JP 2000009249 A JP2000009249 A JP 2000009249A
- Authority
- JP
- Japan
- Prior art keywords
- solenoid valve
- control amount
- resistance value
- current
- temperature
- 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
Landscapes
- Magnetically Actuated Valves (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はソレノイドバルブの
駆動装置に関し、詳しくは、車両用自動変速機の油圧制
御などに用いられるソレノイドバルブの駆動電流を制御
する技術に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive device for a solenoid valve, and more particularly to a technique for controlling a drive current of a solenoid valve used for a hydraulic control of an automatic transmission for a vehicle.
【０００２】[0002]
【従来の技術】従来から、ソレノイドバルブによって各
摩擦係合要素に対する油圧を制御する車両用の自動変速
機が知られており、係る自動変速機においては、目標油
圧に対応する目標電流を設定し、該目標電流に応じてソ
レノイドバルブの通電をデューティ制御するものがあっ
た。2. Description of the Related Art Conventionally, there has been known an automatic transmission for a vehicle in which a hydraulic pressure for each friction engagement element is controlled by a solenoid valve. In such an automatic transmission, a target current corresponding to a target hydraulic pressure is set. In some cases, the energization of the solenoid valve is duty-controlled in accordance with the target current.
【０００３】[0003]
【発明が解決しようとする課題】しかし、ソレノイドバ
ルブの温度環境による抵抗値変化によって、デューティ
（通電制御量）と電流との相関が変化し、目標電流に相
当するデューティを出力しても、実際のソレノイドバル
ブの電流が目標電流にならずに、油圧の制御精度が悪化
することがあった。However, even if the duty (corresponding to the energization control amount) and the current change due to a change in the resistance value due to the temperature environment of the solenoid valve, the duty corresponding to the target current is output. In some cases, the current of the solenoid valve does not reach the target current, and the control accuracy of the hydraulic pressure sometimes deteriorates.
【０００４】本発明は上記問題点に鑑みなされたもので
あり、前記抵抗値変化があっても、デューティ（通電制
御量）を目標電流に精度良く対応させることができるソ
レノイドバルブの駆動装置を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a solenoid valve driving device capable of accurately making a duty (a control amount of current) correspond to a target current even when the resistance value changes. The purpose is to do.
【０００５】[0005]
【課題を解決するための手段】そのため請求項１記載の
発明は、ソレノイドバルブの目標電流を設定する目標電
流設定手段と、該目標電流設定手段で設定された目標電
流に対応する通電制御量を設定する通電制御量設定手段
と、前記通電制御量に応じて前記ソレノイドバルブの電
流を制御する電流制御手段と、を含んで構成されたソレ
ノイドバルブの駆動装置において、前記ソレノイドバル
ブにおけるソレノイド部分の温度を検出する温度検出手
段と、該温度検出手段で検出された温度に基づいて前記
ソレノイドの抵抗値を演算する抵抗値演算手段と、該抵
抗値演算手段で演算された抵抗値と予め記憶されている
ソレノイドバルブの基準抵抗値との比に基づいて、基準
の通電制御量に対応する実際の電流に相当する通電制御
量を演算する実電流相当制御量演算手段と、該実電流相
当制御量演算手段で演算された通電制御量と、前記基準
の通電制御量とから、前記通電制御量の補正量を演算す
る補正量演算手段と、該補正量演算手段で演算された補
正量に応じて、前記電流制御手段に出力される通電制御
量を補正する通電制御量補正手段と、を設けたことを特
徴とする。According to the present invention, a target current setting means for setting a target current of a solenoid valve and an energization control amount corresponding to the target current set by the target current setting means are provided. In a solenoid valve driving device configured to include an energization control amount setting unit to be set and a current control unit for controlling a current of the solenoid valve according to the energization control amount, a temperature of a solenoid portion of the solenoid valve Temperature detecting means for detecting the temperature, a resistance value calculating means for calculating a resistance value of the solenoid based on the temperature detected by the temperature detecting means, and a resistance value calculated by the resistance value calculating means and stored in advance. The actual current that calculates the energization control amount corresponding to the actual current corresponding to the reference energization control amount based on the ratio with the reference resistance value of the solenoid valve Equivalent control amount calculating means, correction amount calculating means for calculating a correction amount of the energization control amount from the energization control amount calculated by the actual current equivalent control amount calculation means, and the reference energization control amount; And a power supply control amount corrector that corrects the power supply control amount output to the current controller in accordance with the correction amount calculated by the correction amount calculator.
【０００６】かかる構成によると、ソレノイドの温度を
検出し、温度と抵抗値との相関からそのときの抵抗値を
推定する。そして、抵抗値が基準値であるときに基準通
電制御量を与えて得られる電流を基準として、前記推定
した抵抗値のときの電流を推定し、更に、前記推定した
電流に相当する通電制御量（例えばデューティ）を求め
る。ここで、そのときの抵抗値が基準抵抗値と一致して
いれば、前記推定した電流に相当する通電制御量と基準
通電制御量とは一致するはずであり、両者の差は、抵抗
値の変化による電流と通電制御量との相関の変化を示す
ことになる。そこで、通電制御量を補正するための補正
量を、前記推定した電流に相当する通電制御量と基準通
電制御量とから求め、前記補正量によって通電制御量を
補正することで、前記誤差の補正が行われるようにし
た。According to such a configuration, the temperature of the solenoid is detected, and the resistance value at that time is estimated from the correlation between the temperature and the resistance value. Then, the current at the estimated resistance value is estimated based on the current obtained by giving the reference energization control amount when the resistance value is the reference value, and the energization control amount corresponding to the estimated current is further estimated. (For example, duty). Here, if the resistance value at that time matches the reference resistance value, the energization control amount corresponding to the estimated current and the reference energization control amount should match, and the difference between the two is the resistance value. This indicates a change in the correlation between the current and the energization control amount due to the change. Therefore, a correction amount for correcting the energization control amount is obtained from an energization control amount corresponding to the estimated current and a reference energization control amount, and the energization control amount is corrected by the correction amount to correct the error. Was done.
【０００７】請求項２記載の発明では、前記ソレノイド
バルブが油圧を制御するバルブであって、前記温度検出
手段が、ソレノイドの部分の温度に相関する温度とし
て、前記油の温度を検出する構成とした。かかる構成に
よると、ソレノイドバルブが油圧制御用のバルブである
ことから、ソレノイド部分の温度とソレノイド近傍での
油温とが略一致するものと推定されるので、ソレノイド
部分の温度を直接検出する代わりに、油温をソレノイド
部分に相当する温度として検出させる。According to a second aspect of the present invention, the solenoid valve is a valve for controlling a hydraulic pressure, and the temperature detecting means detects a temperature of the oil as a temperature correlated to a temperature of a portion of the solenoid. did. According to this configuration, since the solenoid valve is a valve for hydraulic control, it is presumed that the temperature of the solenoid portion and the oil temperature near the solenoid substantially match, so that instead of directly detecting the temperature of the solenoid portion, Next, the oil temperature is detected as the temperature corresponding to the solenoid portion.
【０００８】請求項３記載の発明では、前記実電流相当
制御量演算手段が、前記抵抗値演算手段で演算された抵
抗値をＲｔ、ソレノイドバルブの基準抵抗値をＲSOL 、
基準電源電圧をＶＢ、実際の電源電圧をＶBATTとしたと
きに、係数Ｋ及びオフセット補正分OFSET を用いて、前
記基準の通電制御量に対応する実際の電流に相当する通
電制御量Ｄ-lrnを、 Ｄ-lrn＝Ｋ×（ＶＢ／ＶBATT）×｛（ＲSOL ＋Ｒｔ）／
ＲSOL ｝＋OFSET として演算する構成とした。According to the third aspect of the present invention, the actual current equivalent control amount calculation means calculates the resistance value calculated by the resistance value calculation means as Rt, the reference resistance value of the solenoid valve as RSOL,
When the reference power supply voltage is VB and the actual power supply voltage is VBATT, the energization control amount D-lrn corresponding to the actual current corresponding to the reference energization control amount is calculated using the coefficient K and the offset correction amount OFSET. , D-lrn = K × (VB / VBATT) × ｛(RSOL + Rt) /
The calculation is performed as RSOL｝ + OFSET.
【０００９】かかる構成によると、抵抗値が基準値であ
り、かつ、電源電圧が基準電圧であるときに基準通電制
御量を与えて得られる電流を基準として、温度から推定
した抵抗値のときの電流を推定し、更に、前記推定した
電流を係数Ｋによって通電制御量（例えばデューティ）
に変換する。According to this configuration, when the resistance value is the reference value and the power supply voltage is the reference voltage, the current obtained by giving the reference energization control amount is used as a reference to obtain the resistance value estimated from the temperature. The current is estimated, and the estimated current is further controlled by a coefficient K to control the energization amount (for example, duty).
Convert to
【００１０】[0010]
【発明の効果】請求項１記載の発明によると、温度環境
の変化によってソレノイドの抵抗値が変化し、通電制御
量に対して実際にソレノイドバルブに流れる電流が変化
するときに、目標電流が得られるように通電制御量を補
正することが可能となり、以て、温度による抵抗値変化
に対して電流制御精度を維持できるという効果がある。
また、抵抗値変化による通電制御量のずれ量を、温度の
検出結果から求めるので、短時間のうちの必要補正量を
求めることができ、かつ、応答良く補正することができ
るという効果がある。According to the first aspect of the present invention, when the resistance value of the solenoid changes due to a change in the temperature environment, and the current actually flowing through the solenoid valve changes with respect to the energization control amount, the target current is obtained. Therefore, it is possible to correct the energization control amount so that the current control accuracy can be maintained with respect to the resistance value change due to the temperature.
Further, since the amount of deviation of the energization control amount due to the change in the resistance value is obtained from the detection result of the temperature, the required correction amount can be obtained in a short time and the correction can be performed with good response.
【００１１】請求項２記載の発明によると、ソレノイド
部分の温度を簡便な構成で検出できるという効果があ
る。請求項３記載の発明によると、電源電圧の変化の影
響も含めて、抵抗値が変化したときに実際にソレノイド
バルブに流れる電流に相当する通電制御量を高精度に演
算できるという効果がある。According to the second aspect of the invention, there is an effect that the temperature of the solenoid portion can be detected with a simple configuration. According to the third aspect of the present invention, there is an effect that the energization control amount corresponding to the current actually flowing through the solenoid valve when the resistance value changes, including the effect of the change in the power supply voltage, can be calculated with high accuracy.
【００１２】[0012]
【発明の実施の形態】以下に本発明の実施の形態を説明
する。図１は、本発明に係るソレノイドバルブの駆動装
置の実施形態を示す制御ブロック図である。図１に示す
ソレノイドバルブ14は、車両用自動変速機（図示省略）
の各摩擦係合要素（クラッチ，ブレーキ等）に対する油
圧を調整するためのものであり、リターンスプリングに
よって付勢されるプランジャ（可動鉄心）を、ソレノイ
ドの磁気力により前記リターンスプリングの付勢力に抗
して変位させることで、油経路の開口面積を変化させ、
以て、各摩擦係合要素に対して供給される油圧を制御す
る。Embodiments of the present invention will be described below. FIG. 1 is a control block diagram showing an embodiment of a solenoid valve driving device according to the present invention. The solenoid valve 14 shown in FIG. 1 is an automatic transmission for a vehicle (not shown).
This is for adjusting the hydraulic pressure for each frictional engagement element (clutch, brake, etc.) of the present invention. A plunger (movable iron core) biased by a return spring resists the biasing force of the return spring by the magnetic force of a solenoid. To change the opening area of the oil path,
Thus, the hydraulic pressure supplied to each friction engagement element is controlled.
【００１３】ここで、図１に示す制御ブロック図に示す
駆動装置では、各摩擦係合要素に対する供給油圧の目標
値に応じてソレノイドバルブ14に与える目標電流を求
め、該目標電流に対応するデューティ（通電制御量）を
設定し、該デューティ（ＯＮデューティ）によってソレ
ノイドバルブ14の通電をスイッチングするトランジスタ
（電流制御手段）を駆動することで、ソレノイドバルブ
14に前記目標電流が流れるように制御する。Here, in the drive device shown in the control block diagram shown in FIG. 1, a target current to be applied to the solenoid valve 14 is determined in accordance with a target value of the hydraulic pressure supplied to each friction engagement element, and a duty corresponding to the target current is determined. (Current control amount) is set, and a transistor (current control means) for switching the power supply of the solenoid valve 14 by the duty (ON duty) is driven to thereby control the solenoid valve.
14 so that the target current flows.
【００１４】以下、図１に示す制御ブロック図に従って
説明する。目標電流演算部11（目標電流設定手段）で
は、予め記憶されている目標油圧と駆動電流との相関か
ら、そのときの目標油圧に対応する目標電流を演算す
る。補正手段12には、予めソレノイドバルブ毎の特性ば
らつき（例えば前記リターンスプリングのセット荷重の
ばらつき）に基づいて目標電流毎に補正電流値が記憶さ
れており、前記目標電流演算部11で演算された目標電流
に対応する補正電流値を出力する。Hereinafter, description will be given with reference to a control block diagram shown in FIG. The target current calculation unit 11 (target current setting means) calculates a target current corresponding to the target oil pressure at that time from the correlation between the target oil pressure and the drive current stored in advance. The correction means 12 previously stores a correction current value for each target current based on a characteristic variation for each solenoid valve (for example, a variation in the set load of the return spring), and is calculated by the target current calculation unit 11. A correction current value corresponding to the target current is output.
【００１５】そして、前記目標電流演算部11で演算され
た目標電流に前記補正電流値を加算した結果が、最終的
な目標電流として電流−デューティ変換部13（通電制御
量設定手段）。前記電流−デューティ変換部13では、予
め記憶されている電流とデューティとの相関から、前記
目標電流に対応するデューティ（通電制御量）を求めて
ソレノイドバルブ14（詳細には、ソレノイドバルブ14の
通電をスイッチングするトランジスタ）に出力する。The result obtained by adding the correction current value to the target current calculated by the target current calculation unit 11 is used as a final target current by the current-duty conversion unit 13 (conduction control amount setting means). The current-duty conversion unit 13 obtains a duty (power control amount) corresponding to the target current from the correlation between the current and the duty stored in advance, and obtains the duty of the solenoid valve 14 (specifically, the power supply of the solenoid valve 14). To a switching transistor).
【００１６】また、ソレノイドバルブ14の近傍で自動変
速機の作動油（ＡＴＦ）の温度を計測する油温センサ15
が設けられており、この油温センサ15で検出される油温
は、ソレノイドバルブ14のソレノイド部分の温度を示す
データとして、推定抵抗値演算部16に出力される。従っ
て、前記油温センサ15が、温度検出手段に相当する。推
定抵抗値演算部16（抵抗値演算手段）では、基準温度ｔ
０℃、該基準温度ｔ０℃での基準抵抗値Ｒt0、抵抗の温
度係数α、及び、前記油温センサ15で検出された油温
ｔ、即ち、ソレノイドバルブ14のソレノイド部分の温度
を示す値に基づいて、そのときのソレノイドバルブ14の
抵抗値Ｒｔを、下式に従って推定する。An oil temperature sensor 15 for measuring the temperature of the hydraulic oil (ATF) of the automatic transmission near the solenoid valve 14 is provided.
The oil temperature detected by the oil temperature sensor 15 is output to the estimated resistance value calculation unit 16 as data indicating the temperature of the solenoid portion of the solenoid valve 14. Therefore, the oil temperature sensor 15 corresponds to a temperature detecting unit. In the estimated resistance value calculation unit 16 (resistance value calculation means), the reference temperature t
0 ° C., the reference resistance value Rt0 at the reference temperature t0 ° C., the temperature coefficient α of the resistance, and the oil temperature t detected by the oil temperature sensor 15, that is, the value indicating the temperature of the solenoid portion of the solenoid valve 14. Based on this, the resistance value Rt of the solenoid valve 14 at that time is estimated according to the following equation.
【００１７】Ｒｔ＝Ｒt0｛１＋α（ｔ−ｔ０）｝ 前記推定抵抗値演算部16で演算された抵抗値Ｒｔは、推
定デューティ値演算部17に出力される。前記推定デュー
ティ値演算部17（実電流相当制御量演算手段）では、前
記抵抗値Ｒｔと予め記憶されているソレノイドバルブの
基準抵抗値ＲSOL との比に基づいて、基準のデューティ
（基準の通電制御量）である100 ％ＯＮデューティに対
して実際に得られる電流に相当するデューティＤ-lrn
を、下式に従って演算する。Rt = Rt0 {1 + α (t−t0)} The resistance value Rt calculated by the estimated resistance value calculator 16 is output to the estimated duty value calculator 17. The estimated duty value calculator 17 (actual current equivalent control amount calculator) calculates a reference duty (reference energization control) based on a ratio between the resistance value Rt and a reference resistance value RSOL of a solenoid valve stored in advance. Duty), the duty D-lrn corresponding to the current actually obtained for the 100% ON duty.
Is calculated according to the following equation.
【００１８】Ｄ-lrn＝Ｋ×（ＶＢ／ＶBATT）×｛（ＲSO
L ＋Ｒｔ）／ＲSOL ｝＋OFSET 上式において、ＲSOL はソレノイドバルブ14の基準抵抗
値、ＶＢは基準電源電圧、ＶBATTは実際の電源電圧、Ｋ
は係数、OFSET はオフセット補正分OFSET である。上式
により、基準電源電圧ＶＢ及び基準抵抗値ＲSOL である
ときに100 ％ＯＮデューティを与えて得られる電流を基
準として、前記推定した抵抗値Ｒｔのときの電流を推定
し、更に、前記推定した電流に相当するデューティが求
められることになる。D-lrn = K × (VB / VBATT) × ｛(RSO
In the above formula, RSOL is the reference resistance value of the solenoid valve 14, VB is the reference power supply voltage, VBATT is the actual power supply voltage, and K
Is a coefficient, and OFSET is an offset correction amount OFSET. By the above equation, the current at the estimated resistance value Rt is estimated based on the current obtained by giving the 100% ON duty when the reference power supply voltage is VB and the reference resistance value RSOL, and further, the estimated current is obtained. A duty corresponding to the current is required.
【００１９】補正デューティ演算部18では、［100 ％Ｏ
Ｎデューティ］−［デューティＤ-lrn］を補正量Ｄ-hos
として算出し（補正量演算手段）、該算出結果を更新記
憶する。そして、前記電流−デューティ変換部13から出
力されるデューティに対して前記補正量Ｄ-hosを加算補
正して（通電制御量補正手段）、前記ソレノイドバルブ
14（トランジスタ）に出力することで、抵抗値変化によ
るデューティと電流との相関のずれ（オフセット誤差）
を補正する。In the correction duty calculating section 18, [100% O
N duty]-[Duty D-lrn] is corrected by D-hos
(Correction amount calculation means), and the calculation result is updated and stored. Then, the correction amount D-hos is added and corrected to the duty output from the current-duty conversion unit 13 (energization control amount correction means), and the solenoid valve
By outputting to 14 (transistor), deviation of the correlation between duty and current due to resistance change (offset error)
Is corrected.
【００２０】尚、上記実施の形態では、車両用自動変速
機における油圧調整に用いられるソレノイドバルブにつ
いて述べたが、流量調整に用いるソレノイドバルブであ
っても良く、また、適用される装置を車両用自動変速機
に限定するものではない。In the above-described embodiment, the solenoid valve used for adjusting the hydraulic pressure in the automatic transmission for a vehicle has been described. However, the solenoid valve may be used for adjusting the flow rate. It is not limited to an automatic transmission.
【図１】実施の形態におけるソレノイドバルブの駆動装
置を示す制御ブロック図。FIG. 1 is a control block diagram showing a solenoid valve driving device according to an embodiment.
11 目標電流演算部 12 補正手段 13 電流−デューティ変換部 14 ソレノイドバルブ 15 油温センサ 16 推定抵抗値演算部 17 推定デューティ演算部 18 補正デューティ演算部 11 Target current calculator 12 Correction means 13 Current-duty converter 14 Solenoid valve 15 Oil temperature sensor 16 Estimated resistance calculator 17 Estimated duty calculator 18 Correction duty calculator
Claims (3)
標電流設定手段と、 該目標電流設定手段で設定された目標電流に対応する通
電制御量を設定する通電制御量設定手段と、 前記通電制御量に応じて前記ソレノイドバルブの電流を
制御する電流制御手段と、 を含んで構成されたソレノイドバルブの駆動装置におい
て、 前記ソレノイドバルブにおけるソレノイド部分の温度を
検出する温度検出手段と、 該温度検出手段で検出された温度に基づいて前記ソレノ
イドの抵抗値を演算する抵抗値演算手段と、 該抵抗値演算手段で演算された抵抗値と予め記憶されて
いるソレノイドバルブの基準抵抗値との比に基づいて、
基準の通電制御量に対応する実際の電流に相当する通電
制御量を演算する実電流相当制御量演算手段と、 該実電流相当制御量演算手段で演算された通電制御量
と、前記基準の通電制御量とから、前記通電制御量の補
正量を演算する補正量演算手段と、 該補正量演算手段で演算された補正量に応じて、前記電
流制御手段に出力される通電制御量を補正する通電制御
量補正手段と、 を設けたことを特徴とするソレノイドバルブの駆動装
置。A target current setting means for setting a target current of the solenoid valve; an energization control amount setting means for setting an energization control amount corresponding to the target current set by the target current setting means; Current control means for controlling the current of the solenoid valve in response to: a temperature detection means for detecting a temperature of a solenoid portion of the solenoid valve, comprising: Resistance value calculation means for calculating the resistance value of the solenoid based on the detected temperature; and a resistance value calculated by the resistance value calculation means and a previously stored reference resistance value of the solenoid valve. ,
An actual current equivalent control amount calculating means for calculating an energization control amount corresponding to an actual current corresponding to a reference energization control amount; an energization control amount calculated by the actual current equivalent control amount calculating means; Correction amount calculating means for calculating a correction amount of the energization control amount from a control amount; and correcting the energization control amount output to the current control means in accordance with the correction amount calculated by the correction amount calculation means. A drive device for a solenoid valve, comprising: an energization control amount correction unit;
ルブであって、前記温度検出手段が、ソレノイドの部分
の温度に相関する温度として、前記油の温度を検出する
ことを特徴とする請求項１記載のソレノイドバルブの駆
動装置。2. The solenoid valve according to claim 1, wherein said solenoid valve controls a hydraulic pressure, and said temperature detecting means detects a temperature of said oil as a temperature correlated with a temperature of a portion of said solenoid. A driving device for the solenoid valve described in the above.
抗値演算手段で演算された抵抗値をＲｔ、ソレノイドバ
ルブの基準抵抗値をＲSOL 、基準電源電圧をＶＢ、実際
の電源電圧をＶBATTとしたときに、係数Ｋ及びオフセッ
ト補正分OFSET を用いて、前記基準の通電制御量に対応
する実際の電流に相当する通電制御量Ｄ-lrnを、 Ｄ-lrn＝Ｋ×（ＶＢ／ＶBATT）×｛（ＲSOL ＋Ｒｔ）／
ＲSOL ｝＋OFSET として演算することを特徴とする請求項１又は２に記載
のソレノイドバルブの駆動装置。3. The control circuit according to claim 1, wherein said control value calculating means calculates a resistance value calculated by said resistance value calculating means as Rt, a reference resistance value of the solenoid valve as RSOL, a reference power supply voltage as VB, and an actual power supply voltage as VBATT. Then, using the coefficient K and the offset correction amount OFSET, the energization control amount D-lrn corresponding to the actual current corresponding to the reference energization control amount is calculated as follows: D-lrn = K × (VB / VBATT) × ｛(RSOL + Rt) /
3. The solenoid valve driving device according to claim 1, wherein the calculation is performed as RSOL｝ + OFSET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17319698A JP2000009249A (en) | 1998-06-19 | 1998-06-19 | Solenoid valve drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17319698A JP2000009249A (en) | 1998-06-19 | 1998-06-19 | Solenoid valve drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000009249A true JP2000009249A (en) | 2000-01-11 |
Family
ID=15955890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17319698A Pending JP2000009249A (en) | 1998-06-19 | 1998-06-19 | Solenoid valve drive unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000009249A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030067910A (en) * | 2002-02-09 | 2003-08-19 | 주식회사 만도 | Linear Control Apparatus and Method of Solenoid Valve |
| JP2006125435A (en) * | 2004-10-26 | 2006-05-18 | Toyota Motor Corp | Hydraulic control device for automatic transmission |
| JP2008069879A (en) * | 2006-09-14 | 2008-03-27 | Jatco Ltd | Linear solenoid control device |
| KR100987068B1 (en) | 2005-04-08 | 2010-10-11 | 주식회사 만도 | Control method of solenoid valve for brake system of vehicles |
| JP2011202586A (en) * | 2010-03-25 | 2011-10-13 | Daihatsu Motor Co Ltd | Idling stop control device for internal combustion engine |
| JP2012082909A (en) * | 2010-10-13 | 2012-04-26 | Denso Corp | Initial setting method of control device for automatic transmission |
| JP2015010630A (en) * | 2013-06-27 | 2015-01-19 | トヨタ自動車株式会社 | Pressure control device |
| JP2015102233A (en) * | 2013-11-28 | 2015-06-04 | トヨタ自動車株式会社 | Electromagnetic valve control device |
| WO2016035441A1 (en) * | 2014-09-03 | 2016-03-10 | オムロンヘルスケア株式会社 | Flow control device and blood pressure meter |
| JP2017098431A (en) * | 2015-11-25 | 2017-06-01 | 日立オートモティブシステムズ株式会社 | Controller and control method of linear solenoid |
| KR20180063569A (en) * | 2016-12-02 | 2018-06-12 | 현대오트론 주식회사 | Method for reducing errors of solenoid control and mcu for reducing errors of solenoid control |
-
1998
- 1998-06-19 JP JP17319698A patent/JP2000009249A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030067910A (en) * | 2002-02-09 | 2003-08-19 | 주식회사 만도 | Linear Control Apparatus and Method of Solenoid Valve |
| JP2006125435A (en) * | 2004-10-26 | 2006-05-18 | Toyota Motor Corp | Hydraulic control device for automatic transmission |
| KR100987068B1 (en) | 2005-04-08 | 2010-10-11 | 주식회사 만도 | Control method of solenoid valve for brake system of vehicles |
| JP2008069879A (en) * | 2006-09-14 | 2008-03-27 | Jatco Ltd | Linear solenoid control device |
| JP2011202586A (en) * | 2010-03-25 | 2011-10-13 | Daihatsu Motor Co Ltd | Idling stop control device for internal combustion engine |
| JP2012082909A (en) * | 2010-10-13 | 2012-04-26 | Denso Corp | Initial setting method of control device for automatic transmission |
| JP2015010630A (en) * | 2013-06-27 | 2015-01-19 | トヨタ自動車株式会社 | Pressure control device |
| JP2015102233A (en) * | 2013-11-28 | 2015-06-04 | トヨタ自動車株式会社 | Electromagnetic valve control device |
| WO2016035441A1 (en) * | 2014-09-03 | 2016-03-10 | オムロンヘルスケア株式会社 | Flow control device and blood pressure meter |
| JP2016053394A (en) * | 2014-09-03 | 2016-04-14 | オムロンヘルスケア株式会社 | Flow rate controller and sphygmomanometer |
| US11020012B2 (en) | 2014-09-03 | 2021-06-01 | Omron Healthcare Co., Ltd. | Flow rate control apparatus and blood pressure monitor |
| JP2017098431A (en) * | 2015-11-25 | 2017-06-01 | 日立オートモティブシステムズ株式会社 | Controller and control method of linear solenoid |
| KR20180063569A (en) * | 2016-12-02 | 2018-06-12 | 현대오트론 주식회사 | Method for reducing errors of solenoid control and mcu for reducing errors of solenoid control |
| KR101967303B1 (en) * | 2016-12-02 | 2019-04-10 | 현대오트론 주식회사 | Method for reducing errors of solenoid control and mcu for reducing errors of solenoid control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2000009249A (en) | Solenoid valve drive unit | |
| US8392077B1 (en) | Transmission control apparatus | |
| US8918257B2 (en) | Transmission control apparatus and adjustment method for output characteristic thereof | |
| JP5280332B2 (en) | Semiconductor device for current control and control device using the same | |
| JP4659874B2 (en) | Control device for automatic transmission | |
| JP5359476B2 (en) | Solenoid control device | |
| JP2006252416A (en) | Inductive load controller | |
| KR20160121409A (en) | Semiconductor device, in-vehicle valve system and solenoid driver | |
| JPH11201314A (en) | Characteristic correcting device for solenoid | |
| JPH11223262A (en) | Hydraulic controller for automatic transmission | |
| EP1014247A2 (en) | Hydraulic control apparatus and control method for automobile | |
| WO2018198568A1 (en) | Control device | |
| JP2000009248A (en) | Solenoid valve drive unit | |
| KR20030028424A (en) | Device for current control of load | |
| KR100507485B1 (en) | Solenoid plunger correction control apparatus of automatic transmission on vehicle and method thereof | |
| KR20180073636A (en) | Method for controlling the current of an inductive load | |
| KR101230547B1 (en) | Apparatus for controlling pulse width modulation and method for controlling thereof | |
| JP2010206247A (en) | Induction load controller | |
| JP5832635B2 (en) | Method and apparatus for determining the temperature of a preheating plug during operation in an internal combustion engine | |
| JP3608971B2 (en) | Solenoid temperature estimation device | |
| JP6344070B2 (en) | Solenoid control device | |
| JP2018087612A (en) | Drive control device | |
| JP4612126B2 (en) | Method and apparatus for load control | |
| KR102373742B1 (en) | Apparatus and method for detecting error of a circuit for driving solenoid valve | |
| CN115243946B (en) | Method and apparatus for actuating a fluid solenoid valve |