Analogy method for pulley-rope object based on Adams software
An analog method and technology of pulleys, applied in the direction of instruments, calculations, electrical digital data processing, etc., can solve the problems of cumbersome modeling, slow calculation speed, pulley-rope system number and long ropes, etc., to improve calculation efficiency and ensure accuracy The effects of the robust and simplified modeling approach
Active Publication Date: 2016-01-06
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology
[0004] The existing pulley in Adams—the rope model, has a huge amount of calculation, and it contains a lot of nonlinear contact, which is easy to cause problems such as non-convergence and slow calculation speed, and is not suitable for the simulated pulley—— In the case of a large number of rope systems or very long ropes
In addition, the path of rope-like objects is usually wound on the pulley, and it is more cumbersome to model directly in Adams software
Method used
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[0016] The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present invention.
[0017] Such as figure 1 as shown, figure 1 It is a schematic diagram of a pulley-rope model of the present invention.
[0018] The present embodiment provides a kind of pulley based on Adams software-the simulation method of the rope-like object, and concrete steps are as follows:
[0019] Step 1: Establish the straight line OA, and set the rotation pair rot1 to make the straight line OA rotate around the center O in the XOY plane. Through this step, the rope can swing in the XOY plane.
[0020] Step 2: Establish the straight ...
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The invention provides an analogy method for pulley-rope objects based on Adams software. The method comprises: establishing a line OA, setting a rotation pair rot1, so the line OA rotates around a circle center O in a XOY plane; establishing a line AB, setting a rotation pair rot2, to make the line AB rotate around an A point in a YOZ plane; establishing a line AC, setting a transmitting pair tran1, to make the line AC move along the line AB; establishing cylinders D1 and D2, setting transmitting pair tran2 and tran3, to make the cylinder D1 move along the line AC and the cylinder D2 move along the line AC; setting contacts between the cylinder D1 and the cylinder D2; establishing cylinders D3 and D4, setting a fixing pair fix1 and a transmitting pair tran4, to fix the cylinders D3 and D1, and make the cylinder D4 move along the line AC; setting concentrated force Force1 between the cylinders D3 and D4; establishing a cylinder D5, setting a fixing pair fix2, to fix the cylinder D5 and the line AC, and setting a concentrated force Force2 on the cylinder D5. The method ensures simulation accuracy and improves calculation efficiency.
Description
technical field [0001] The invention relates to the technical field of dynamic simulation of mechanical systems, in particular to a method for simulating a pulley-rope object based on Adams software. Background technique [0002] Adams (AutomaticDynamicAnalysisofMechanicalSystems, automatic analysis of mechanical system dynamics) is a motion simulation software that integrates modeling, solving, and visualization technology. It is the most widely used and most prestigious mechanical system in the world. System dynamics simulation analysis platform. With the application and development of virtual prototype technology in the field of mechanical engineering, Adams has been successfully used in aerospace, automotive engineering, railway vehicles, industrial machinery, engineering machinery and other fields. Adams is based on the calculation of multi-body system dynamics. It includes multiple professional modules and virtual prototype development system software in professional ...
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IPC IPC(8): G06F17/50
Inventor 张蕊吴一红邓杰张东章晋雄张文远张宏伟高建标王志刚
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES