Design method of spring piece for repeatable holding-type locking device of magnetic levitation fly wheel
A technology of locking device and design method, which is applied in computing, special data processing applications, instruments, etc., can solve problems such as small quality, and achieve the effect of improving performance and improving design efficiency
Active Publication Date: 2015-09-09
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a design method for the shrapnel used for the reusable embracing locking device of the magnetic levitation flywheel, which can design a reusable embracing locking device for the magnetic levitation flywheel with high stiffness and high damping, and solve the existing small inertia The problem that the design method of the magnetic levitation flywheel locking device takes the minimum mass as the optimization goal
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[0028] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] The design method of the shrapnel for the repeatable embracing locking device of the magnetic levitation flywheel of the present invention, the design method of the reusable embracing locking device for the magnetic levitation flywheel based on high stiffness and high damping, overcomes the design method of the existing small inertia magnetic levitation flywheel locking device The basic process of this method is to use the finite element software ANSYS to establish the static parameterized model of the shrapnel in the locked s...
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The invention discloses a design method of a spring piece for a repeatable holding-type locking device of a magnetic levitation fly wheel. The design method comprises the steps of utilizing multidisciplinary optimization software iSIGHT and finite element software ANSYS to perform spring piece optimization design, regarding comprehensive optimum of locking rigidity and locking damp of a locking device as an optimization target, using spring piece mass M, maximum bending stress Sigma max, unlocking force fu, locking state first-order resonant frequency F11 and unlocking state first-order resonant frequency Fu1 as constraint conditions, adopting a global comparison method for dispersion design variables, adopting a second-order derivable optimization algorithm for spring piece structure continuous design variables to perform spring piece structure optimization design. By means of the design method, the protecting performance of the locking device can be embodied, and the locking protection effect can be reasonable. The design method has the advantages of being high in accuracy, simple, feasible and the like, and the design concept of the design method can be used for design of various large-inertia magnetic levitation rotor locking devices.
Description
technical field [0001] The invention relates to the design field of shrapnel used for a repeatable embracing locking device of a magnetic levitation flywheel, in particular to a design method for a shrapnel used for a large-inertia magnetic levitation flywheel for a large-scale spacecraft and a large-scale magnetic levitation control moment gyro locking device. Background technique [0002] With the development of aerospace technology, in order to meet the increasingly higher requirements for spacecraft attitude and orbit determination, reaction flywheels and offset momentum wheels are usually used to control satellite platforms. Magnetic levitation flywheel is a new type of spacecraft attitude control system. Compared with traditional mechanical flywheel, it has obvious advantages in control accuracy and service life. Since there is a certain magnetic protection gap between the stator and rotor of the maglev flywheel, in order to prevent the flywheel stator and rotor from b...
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IPC IPC(8): G06F17/50
Inventor 刘强陈家庆曹建树叶郭波焦向东周天宇郭永春
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY