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An electromechanical valve drive system using a cam-based mechanical transformer has been proposed to achieve variable valve timing in internal combustion engines. This technique promises substantial improvements in fuel economy and emissions. However, there are several challenges to transform this concept into an attractive commercial product, especially achieving acceptable power consumption and...
The electronic throttle control (ETC) is a key component in modern automotive, which affects the performance of traction control and engine torque control. An ETC control system consists of a DC servo motor driving a circular-shaped valve plate, which is connected to a preloaded spring. The opening angle of the valve plate controls the air flow into the engine. When the control system fails, the spring...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.