Kinematic Analysis and Cam Synthesis of a Variable Valve Lift Mechanism with General Curve Contact

机译：具有一般曲线接触的可变阀提升机构的运动分析与凸轮合成

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An optimized and modern solution for throttle-free load control for spark-ignition engines is the variable valve timing system with continuous valve lift. In this paper is presented an analytic method for the kinematic and cam synthesis of a mechanical variable valve lift mechanism with three elements, which mainly includes the camshaft, the roller rocker finger and an intermediate rocker arm. This type of mechanism ensures a continuous valve lift (VVL System) between two extreme valve heights. The main characteristic, which sets this mechanism apart, is that it uses a general curve contact between the elements. It is also presented the numerical example for the variable valve lift mechanism's motion. The mechanism's system of equations solving principle is based on the Newton-Raphson numerical method.

机译：用于火花点火发动机的无节流载荷控制的优化和现代解决方案是具有连续阀升力的可变气门正时系统。本文提出了一种用于运动和凸轮合成的用于机械可变阀提升机构的分析方法，其具有三个元件，主要包括凸轮轴，滚子摇臂和中间摇臂。这种类型的机构确保了两个极端阀高度之间的连续阀升降机（VVL系统）。将这种机制分开的主要特征是它在元件之间使用一般曲线接触。它还介绍了可变阀提升机构运动的数值示例。解决原理的机制的等式系统是基于牛顿 - 拉随数值方法。

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《World Congress in Mechanism and Machine Science》|2013年||共7页
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作者
S. Mihalcea; N. D. Stanescu;
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中图分类 TH-53;
关键词
Timing mechanism; Variable valve lift; Kinematic analysis; Cam synthesis; Analytic method;

机译：定时机构;可变阀升力;运动分析;CAM合成;分析方法;

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1. Synthesis and kinematic and dynamic analysis of a variable valve lift mechanism with general contact curve [J] . Stelian Mihalcea, Nicolae-Doru Stanescu, Dinel Popa Proceedings of the institution of mechanical engineers . 2015,第k1期

机译：具有一般接触曲线的可变气门升程机构的综合，运动学和动力学分析
2. Analytical synthesis and computer-aided kinematic analysis of a continuously variable valve lift mechanism [J] . Clenci Adrian C., Hara Vasile, Stanescu Nicolae-Doru, Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science . 2017,第2期

机译：连续可变阀提升机构的分析合成与计算机辅助运动学分析
3. A KINEMATIC ANALYSIS OF THE VALVE TIMING MECHANISM WITH THREE ELEMENTS AND CONTINUOUS VALVE LIFT [J] . Stelian MIHALCEA, Nicolae PANDREA Fiability and Durability . 2010,第1期

机译：带有三个元件和连续阀升程的阀定时机构的运动学分析
4. Kinematic Analysis and Cam Synthesis of a Variable Valve Lift Mechanism with General Curve Contact [C] . S. Mihalcea, N. D. Stanescu World Congress in Mechanism and Machine Science . 2013

机译：具有一般曲线接触的可变阀提升机构的运动分析与凸轮合成
5. Multi input CAM actuated mechanisms and their application to internal combustion engine variable valve timing. [D] . Dresner, Thomas Leland. 1988

机译：多输入CAM驱动机构及其在内燃机可变气门正时中的应用。
6. Percutaneous balloon dilatation of the mitral valve: an analysis of echocardiographic variables related to outcome and the mechanism of dilatation. [O] . G T Wilkins, A E Weyman, V M Abascal, 1988

机译：二尖瓣的经皮球囊扩张：与结果和扩张机制相关的超声心动图变量分析。
7. A KINEMATIC ANALYSIS OF THE VALVE TIMING MECHANISM WITH THREE ELEMENTS AND CONTINUOUS VALVE LIFT [O] . Stelian MIHALCEA, Nicolae PANDREA 2010

机译：三元件和连续阀门升程阀门正时机构的运动学分析
8. Determination of Kinematic Characteristics of Mechanisms from the Structural Analaysis of Kinematic Chains. Combinatory Topological Analysis of Kinematic Chains and Mechanisms [R] . Freudenstein, F. 1971

机译：从运动链结构分析确定机构的运动学特征。运动链的组合拓扑分析及机理

Kinematic Analysis and Cam Synthesis of a Variable Valve Lift Mechanism with General Curve Contact

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