نتایج جستجو برای: hydraulic engine mount
تعداد نتایج: 116712 فیلتر نتایج به سال:
Continuously Variable Transmission Modifications and Control for a Diesel Hybrid Electric Powertrain
The Center for Transportation Research (CTR) Vehicle Systems team modified a Nissan CK-2 Continuously Variable Transmission (CVT) for a diesel hybrid powertrain application. Mechanical and electrical modifications were made to the CVT, both internal and external to the transmission. The goal of this experiment was to investigate and demonstrate the potential of CVT for diesel engines hybrid ele...
Dynamic characteristics of a prototype AEM, designed based on a hydraulic engine mount, has been investigated and an adaptive controller for the AEM has been designed. An equivalent mass-spring-damper AEM model is proposed, and the transfer function that describes dynamic characteristics of the AEM is deduced from mathematical analysis on the model. The damping coefficient of the model is deriv...
Engine testing involves measurement of rotating speed and torque of the engine by applying load controlled by a dynamometer connected to its output shaft. HORIBA has developed various types of dynamometer for the purpose of engine testing. They are mainly classifi ed into two types; one is absorbing only dynamometer such as hydraulic dynamometers and eddy-current dynamometers, the other is abso...
This paper details the new design and dynamic simulation of an electro-hydraulic camless engine valve actuator (EH-CEVA) and experimental verification with lift position sensors. In general, camless engine technologies have been known for improving fuel efficiency, enhancing power output, and reducing emissions of internal combustion engines. Electro-hydraulic valve actuators are used to elimin...
The power management controller of a hybrid vehicle orchestrates the operation of onboard energy sources, namely engine and auxiliary power source with the goal of maximizing performance objectives such as the fuel economy. The paper focuses on optimization of the power management strategy of the refuse truck with parallel hydraulic hybrid powertrain. The high power density of hydraulic compone...
Controller of hybrid excavator power system was designed with control target was to improve diesel engine fuel efficiency and decrease shaft rotate speed fluctuation. Controller input parameters were set as hydraulic pump required torque, hydraulic pump rotate speed and battery SOC. Controller output parameters were set as diesel engine output torque and motor torque. Diesel engine output torqu...
Nowadays, the highly competitive automotive business industry requires manufacturers to pay more attention to passenger comfort and riding quality. This has forced designers to direct their attention to the development of high quality engine mounting devices, with traditional physical prototyping and testing being gradually replaced by virtual prototyping and numerical simulations. Following th...
An opposed hydraulic free piston engine is under design at the Tianjin University in China because of the advantages of this engine compared to the conventional engine. The main challenges presented by such engines are the control of the piston motion and synchronization. This study investigates the fundamental control context and control method of the opposed hydraulic free piston engine using...
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