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Automotive steering-by-wire system

A technology of steering system and automobile line, applied in steering mechanism, mechanical steering mechanism, power steering mechanism, etc., can solve the problems of high cost and difficulty of fault-tolerant control technology, achieve good reliability and cost, improve reliability and reduce difficulty

Pending Publication Date: 2017-05-31
CHANGZHOU INST OF MECHATRONIC TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to propose a steering-by-wire system for automobiles, which better solves the problems of stability, reliability and safety in the current steering-by-wire system, and alleviates the relatively high cost of fault-tolerant control technology to a certain extent. High Difficulty in Marketization

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Embodiment Construction

[0025] The present invention will now be described in further detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0026] like figure 1 , figure 2 , image 3 and Figure 4 Shown, a kind of automobile steer-by-wire system comprises piston 2, steering system ECU3, angle sensor 4, torque motor 7, clutch controller 9, pinion 9 and steering motor 13, and one end of piston 2 is connected with left tie rod 1, and the other One end is connected to the steering motor 13, the input shaft 131 of the steering motor 13 is connected to the piston 2, the input shaft 131 is provided with an output shaft steel ball movable groove 1311, and the inner hole of the piston 2 is also provided with a piston steel that matches the input shaft 131. Ball groo...

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Abstract

The invention relates to an automotive steering-by-wire system, comprising a piston, a steering system ECU (electronic controller unit), a turn sensor, a torque motor, a clutch controller, a small gear and a steering motor; one end of the piston is connected with a left pull rod, the other end of the piston is connected with the steering motor; the turn sensor and the torque motor are arranged respectively on a steering column, and the lower end of the steering column is connected with a middle shaft; the middle shaft is connected with the clutch controller through splines on a universal joint fork; the lower end of the clutch controller is provided with the small gear; an input shaft of the steering motor is connected with the piston. Through the ingenious combination of electronic control and traditional mechanical mode, the system may still provide the most basic steering function after an electronic part fails, and the reliability of the whole steering system is improved. In addition, reliability and cost are well balanced, and marketing popularization is less difficult.

Description

technical field [0001] The invention relates to the technical field of automobile steering, in particular to an automobile steering-by-wire steering system. Background technique [0002] As the latest generation of steering system, Steering-by-Wire System (SBW system for short) has obvious technical advantages compared with traditional steering system. The steer-by-wire system removes the mechanical connection between the steering wheel and the steering wheel, reduces the impact on the road surface, reduces the noise, eliminates the damage to the driver caused by the steering column in the event of a collision, increases the space for the driver's legs to move, and improves the driving comfort. When the vehicle turns, it no longer relies on the traditional mechanical connection, but relies on three sets of electronic control units (ECUs) to control, and conduct comprehensive calculations according to the driving road conditions, steering wheel rotation force and speed, so a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/00B62D5/02B62D5/30
CPCB62D5/003B62D5/02B62D5/30
Inventor 王峰田宏霞
Owner CHANGZHOU INST OF MECHATRONIC TECH
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