OPENING/CLOSING BODY DRIVE CONTROLLER FOR VEHICLE

• Main Authors: ISHIKAWA YOSHIKI, BESSHO NOBUYASU, HIROTA KOICHI, NODA SHINICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 06.07.2015
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; KEYS; LOCKS; PERFORMING OPERATIONS; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES; SAFES; TRANSPORTING; VEHICLES IN GENERAL; WINDOW OR DOOR FITTINGS; WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

PROBLEM TO BE SOLVED: To provide an opening/closing body drive controller for a vehicle capable of improving detection accuracy of pinching.SOLUTION: A DC motor drives and closes a back door having a weather strip interposed between an opening of a body of a vehicle and it. A door ECU calculates an absolute value DN of a rotation speed difference as a deviation between a rotational speed of the DC motor detected in an idle running section and a current rotational speed of the DC motor detected afterward to detect pinching of foreign matter on the basis of the magnitude relation between the absolute value DN of the rotational speed difference and a detection threshold. The door ECU detects duration time in which the back door is opened, and sets a detection threshold TaS when the detected duration time is short to have higher detection sensitivity of catching of foreign matter than a detection threshold TaL when the detected duration time is long. 【課題】挟み込みの検出精度をより向上させることができる車両用開閉体駆動制御装置を提供する。【解決手段】ＤＣモータは、車両のボデーの開口との間にウェザストリップが介装されるバックドアを閉駆動する。ドアＥＣＵは、空走区間に検出されたＤＣモータの回転速度と、その後に検出された現在のＤＣモータの回転速度との偏差である回転速度差の絶対値ＤＮを演算し、該回転速度差の絶対値ＤＮと検知閾値との大小関係に基づき異物の挟み込みを検出する。ドアＥＣＵは、バックドアが開状態にある継続時間を検出し、検出された継続時間が長いときの検知閾値ＴａＬよりも短いときの検知閾値ＴａＳの方が異物の挟み込みの検出感度が高くなるようにする。【選択図】図９