Model Based Pressure Control of a Push Belt Continuously Variable Transmission
Model Based Pressure Control of a Push Belt Continuously Variable Transmission作者机构：International Center for Automotive Research Clemson University Greenville SC USA College of Technological Studies Public Authority for Applied Education and Training Kuwait Xalt Energy LLC Midland MI USA Delphi Powertrain Systems Troy MI USA Ford Motor Company Dearborn MI USA
出 版 物：《Modern Mechanical Engineering》 (现代机械工程（英文）)
年 卷 期：2016年第6卷第4期
页 面：99-112页
学科分类：082304[工学-载运工具运用工程] 08[工学] 080204[工学-车辆工程] 0802[工学-机械工程] 0823[工学-交通运输工程]
主 题：CVT Pressure Control Optimal Operating Line Metal Push-Belt
摘 要：A Continuously Variable Transmission (CVT) is a type of transmissions that provides a continuous range of speed ratios, thus it allows increasing the overall powertrain efficiency by running the engine at the optimal operating points. This paper investigates implementing a model based hydraulic pressure controller to achieve the desired CVT gear ratio. A map of desired gear ratios was estimated using the Optimal Operating Line (OOL) strategy, which minimizes the engine fuel consumption according to a defined cost function and a set of systems constraints. The controller was implemented in a complete vehicle model that includes driver, powertrain and road load models. The model was subjected to two different driving cycles and the results demonstrate the effectiveness of the control strategy and the pressure controller in keeping the engine at the most efficient operating regions.
维普期刊数据库