混合动力系统驱动力的串并联控制-业论文外文翻译.docxVIP

Drive force control of a parallel-series hybrid systemAbstractSince each component of a hybrid system has its own limit of performance, the vehicle power depends on the weakest component.So it is necessary to design the balance of the components. The vehicle must be controlled to operate within the performance range ofall the components. We designed the specifications of each component backward from the required drive force. In this paper wedescribe a control method for the motor torque to avoid damage to the battery, when the battery is at a low state of charge. Society of Automotive Engineers of Japan, Inc. and Elsevier Science B.V. All rights reserved.1. IntroductionIn recent years, vehicles with internal combustion engineshave increasingly played an important role asa means of transportation, and are contributing much tothe development of society. However, vehicle emissionscontribute to air pollution and possibly even globalwarming, which require effective countermeasures. Variousdevelopments are being made to reduce these emissions,but no further large improvements can be expectedfrom merely improving the current engines and transmissions.Thus, great expectations are being placed on thedevelopment of electric, hybrid and natural gas-driven vehicles.Judging from currently applicable technologies, andthe currently installed infrastructure of gasoline stations,inspection and service facilities, the hybrid vehicle, drivenby the combination of gasoline engine and electric motor,is considered to be one of the most realistic solutions.Generally speaking, hybrid systems are classified asseries or parallel systems. At Toyota, we have developedthe Toyota Hybrid System (hereinafter referred to as theTHS) by combining the advantages of both systems. Inthis sense the THS could be classified as a parallel-seriestype of system. Since the THS constantly optimizes engineoperation, emissions are cleaner and better fueleconomy can be achieved. During braking, Kinetic energyis rec