REGENERATIVE BRAKE FORCE CONTROL APPARATUS

• Main Author: NAGAMORI TAKEO
• Format: Patent
• Language: English; Japanese
• Published: 06.04.2017
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TRANSPORTING; VEHICLES IN GENERAL

PROBLEM TO BE SOLVED: To provide a regenerative brake force control apparatus capable of realizing deceleration force required by a driver even in the case of a drive battery being fully charged.SOLUTION: When braking with a drive battery 16 fully charged, an engine 11 is put in a cranking state; outputs of first and third rotary machines are controlled as generators; an output of a second rotary machine is controlled as motor; and the outputs of the first and second rotary machines are controlled so as to satisfy Pbrk=Pfr+Prm, Pfr+Pgen=Pfm+Peng, Prm*ηrm+Pfm*ηfm=Pgen/ηgen (where Pbrk: brake force calculated from brake step-on force; Pfr: brake force of a first wheel shaft; Prm: brake force of a second wheel shaft, i.e., an output of the third rotary machine; Pfm: an output of the first rotary machine; Pgen: an output of the second rotary machine; Peng: idling force of the engine 11; ηfm: an efficiency of the first rotary machine; ηgen: an efficiency of the second rotary machine; ηrm: an efficiency of the third rotary machine).SELECTED DRAWING: Figure 1 【課題】駆動バッテリが満充電の場合にもドライバの要求する減速力を得ることができる、回生ブレーキ力制御装置を提供する。【解決手段】駆動バッテリ１６が満充電の場合のブレーキ時に、エンジン１１をクランキング状態とするとともに、第１回転機及び第３回転機をジェネレータとして出力制御し、第２回転機をモータとして出力制御し、第１回転機の出力及び第２回転機の出力を、Pbrk＝Pfr＋Prm，Pfr＋Pgen＝Pfm＋Peng，Prm×ηrm＋Pfm×ηfm＝Pgen／ηgen（Pbrk：ブレーキ踏力から算出される制動力、Pfr：第１車輪軸の制動力、Prm：第２車輪軸の制動力すなわち第３回転機の出力、Pfm：第１回転機の出力、Pgen：第２回転機の出力、Peng：エンジン１１の空回り力、ηfm：第１回転機の効率、ηgen：第２回転機の効率、ηrm：第３回転機の効率）を満たすように制御する。【選択図】図１