公开(公告)号：US20120303230A1

公开(公告)日：2012-11-29

申请号：US13482657

申请日：2012-05-29

申请人： Ningsheng Qiao ,  Kevin Joseph Bush

发明人： Ningsheng Qiao ,  Kevin Joseph Bush

IPC分类号： G06F17/00 ,  G01N33/30

CPC分类号： G01N33/1826 ,  G01N33/18 ,  G01N33/2888

摘要： A powertrain control module determines engine oil properties based on friction in an engine. The powertrain control module includes an engine combustion module that models engine torque based on engine speed and engine pumping losses due to intake and exhaust gasses. A transmission module models transmission torque applied to the engine based on transmission speed and gear. An accessory loads module models torque applied to the engine by accessory loads including at least one of a power steering pump, an air conditioning compressor, a water pump, and an alternator. An oil viscosity module determines engine oil viscosity based on a friction torque and predetermined engine data that coincides with reference oils. The friction torque is based on the engine torque, transmission torque, and accessory loads torque.

摘要翻译： 动力总成控制模块基于发动机中的摩擦来确定发动机机油性能。 动力总成控制模块包括发动机燃烧模块，该发动机燃烧模块基于发动机速度和由于进气和排出气体引起的发动机泵送损失来模拟发动机扭矩。 传动模块根据传动速度和档位对发动机的传动扭矩进行了模拟。 附件负载模块通过包括动力转向泵，空调压缩机，水泵和交流发电机中的至少一个的附件负载来模拟施加到发动机的扭矩。 油粘度模块基于与参考油重合的摩擦转矩和预定的发动机数据来确定发动机油粘度。 摩擦转矩基于发动机扭矩，传动扭矩和附件负载转矩。

公开(公告)号：US08880276B2

公开(公告)日：2014-11-04

申请号：US13482657

申请日：2012-05-29

申请人： Ningsheng Qiao ,  Kevin Joseph Bush

发明人： Ningsheng Qiao ,  Kevin Joseph Bush

IPC分类号： G01M17/00 ,  G01N33/18

CPC分类号： G01N33/1826 ,  G01N33/18 ,  G01N33/2888

摘要： A powertrain control module determines engine oil properties based on friction in an engine. The powertrain control module includes an engine combustion module that models engine torque based on engine speed and engine pumping losses due to intake and exhaust gasses. A transmission module models transmission torque applied to the engine based on transmission speed and gear. An accessory loads module models torque applied to the engine by accessory loads including at least one of a power steering pump, an air conditioning compressor, a water pump, and an alternator. An oil viscosity module determines engine oil viscosity based on a friction torque and predetermined engine data that coincides with reference oils. The friction torque is based on the engine torque, transmission torque, and accessory loads torque.

摘要翻译： 动力总成控制模块基于发动机中的摩擦来确定发动机机油性能。 动力总成控制模块包括发动机燃烧模块，该发动机燃烧模块基于发动机速度和由于进气和排出气体引起的发动机泵送损失来模拟发动机扭矩。 传动模块根据传动速度和档位对发动机的传动扭矩进行了模拟。 附件负载模块通过包括动力转向泵，空调压缩机，水泵和交流发电机中的至少一个的附件负载来模拟施加到发动机的扭矩。 油粘度模块基于与参考油重合的摩擦转矩和预定的发动机数据来确定发动机油粘度。 摩擦转矩基于发动机扭矩，传动扭矩和附件负载转矩。