IDLE STOP CONTROL DEVICE FOR VEHICLE EQUIPPED WITH AUTOMATIC MANUAL TRANSMISSION

• Main Authors: KAWAMOTO Yoshinobu, TAKENAKA Hiroyuki
• Format: Patent
• Language: English; French; German
• Published: 31.01.2018
• Subjects: BLASTING; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; COMBUSTION ENGINES; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; CONTROLLING COMBUSTION ENGINES; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLETECHNOLOGY; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDEDFOR; STARTING OF COMBUSTION ENGINES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

While a vehicle is decelerating starting at a braking start time (t0), start-off pre-shifting (deselection of a selected gear train and selection of a first gear gear train) is begun starting at a time (t1) at which speed falls to a predetermined vehicle speed. At a vehicle stoppage time (t2) at which Nc = 0, an idle stop permission flag (FLAGa) is not set to on if start-off pre-shifting (first gear engagement assessment) is not complete, even if idle stop permission conditions including vehicle stoppage have been met. FLAGa is set to on at a time (t3) at which start-off pre-shifting is completed, and an idle stop flag (FLAGb) is set to on and the engine stopped at a time (t4) at which engine rotational speed Ne falls below a set rotational speed. The engine is restarted in response to braking being released at a time (t5), and FLAGb is set to off and idle stop control ended at a time (t6) at which Ne reaches or exceeds a set rotational speed. The restarting of the engine causes an engine-driven oil pump to dispense oil, and the oil can be used as a medium to manifest an automatic clutch command hydraulic pressure Pc. From a time (t7) to a time (t8), the engagement of a starting clutch is advanced, and the vehicle can be started off starting at a time (t9).