Steer-by-wire column and steer-by-wire control method
A technology of steering column and control method, which is applied to steering control, steering control installed on a vehicle, steering column, etc., and can solve problems such as column replacement, irreversibility, and complex structure of the column
Active Publication Date: 2021-04-13
DONGFENG MOTOR GRP
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Problems solved by technology
[0005] The embodiment of the present invention provides a steer-by-wire column and a steer-by-wire control method to solve the problem that the overall structure of the column in the related art is relatively complicated, and at the same time, the collapse process is irreversible. replacement problem
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[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.
[0033] The embodiment of the present invention provides a steer-by-wire column and a steer-by-wire control method, which can solve the problem that the overall structure of the column in the related art is relatively complex, and at the same time, the collapse process is irreversible. A problem that must be replaced.
[0034] see figure 1 A...
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The invention relates to a steer-by-wire column and a steer-by-wire control method. The steer-by-wire column comprises a shell; a sleeve motor, the sleeve motor is mounted in the shell; an upper core shaft, the upper core shaft is used for being connected with a steering wheel, is inserted into the sleeve motor and is connected with the sleeve motor through a first driving assembly; when the sleeve motor rotates, the sleeve motor can drive the upper mandrel to move in the axial direction of the upper mandrel through the first driving assembly. According to the steer-by-wire tubular column and the steer-by-wire control method, the structure is simple, and after collision collapse is finished, the sleeve motor can be controlled to rotate reversely, so that the upper core shaft moves towards the outside of the shell and enters a normal use state, the collapse process of the steer-by-wire tubular column is reversible, and the tubular column does not need to be replaced after collision collapse occurs.
Description
technical field [0001] The invention relates to the technical field of automobile steering systems, in particular to a steer-by-wire steering column and a steering-by-wire control method. Background technique [0002] At present, the steering-by-wire system is a new generation of steering system developed after EPS (Electronic Power Steering System), which has better handling stability than EPS, and it no longer uses a mechanical connection between the steering wheel and the steering wheel. , completely get rid of the inherent limitations of the traditional steering system, while bringing convenience to the driver, it also improves the safety of the car. [0003] In related technologies, since the steering column cannot transmit torque and road feel through mechanical connections, it is generally necessary to install a feedback motor on the steering column to provide steering resistance and simulate road vibrations to provide a comfortable driving and control experience. If ...
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IPC IPC(8): B62D1/19B62D5/00
CPCB62D1/192B62D5/006
Inventor 王佳文李世生陆吴平刘琦李伟民
Owner DONGFENG MOTOR GRP