CN114194284B

CN114194284B - Steering driving system and application vehicle thereof

Info

Publication number: CN114194284B
Application number: CN202111653208.XA
Authority: CN
Inventors: 王磊; 陶文明; 郭振杰; 司书哲
Original assignee: Shun Tai Automobile Co ltd
Current assignee: Shun Tai Automobile Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-08-25
Anticipated expiration: 2041-12-30
Also published as: CN114194284A

Abstract

The invention relates to a steering driving system and an application vehicle thereof. Wherein, steering drive system includes: an ESP module and an integrally arranged steering module. The ESP module is used for generating a control instruction, and the integrally arranged steering module is electrically connected with the ESP module and used for performing corresponding actions according to the control instruction. The invention can simplify the system space by adopting the steering module with integrated arrangement, and can further improve the steering control effect by adopting the ESP module to control the steering module.

Description

Steering driving system and application vehicle thereof

Technical Field

The invention relates to the field of unmanned vehicle steering control, in particular to a steering driving system and an application vehicle thereof.

Background

The existing vehicle steering driving system and the application vehicle thereof generally need to put a certain space for placing a driving motor, so that the space occupation is large, for example, the steering motor is arranged on a pipeline, and the steering control is realized. In the environments of gardens, factories and the like, the larger the space of the chassis of the vehicle is, the more favorable for transporting objects. In addition, in the conventional steering drive system and the vehicle to which the system is applied, when the steering motor is controlled, there is an error between the torque actually output by the steering motor and the torque generated by the controller due to the existence of the mechanical force. Therefore, it is an urgent technical problem in the art to provide a system capable of simplifying the structure of the driving system and increasing the driving control accuracy.

Disclosure of Invention

The invention aims to provide a steering driving system and an application vehicle thereof, which can simplify the steering driving system of an unmanned vehicle and the application vehicle structure thereof and improve the steering driving control precision.

In order to achieve the above object, the present invention provides the following solutions:

a steering drive system, comprising:

the ESP module is used for generating control instructions; the control instruction includes: steering instructions and drive travel instructions;

and the steering module is electrically connected with the ESP module and is used for performing corresponding actions according to the control instruction.

Preferably, the steering module includes: knuckle and motor;

the motor is electrically connected with the ESP module; the motor is used for performing corresponding actions according to the control instruction; the motor is disposed in the knuckle.

Preferably, the motor is mounted in the knuckle by bearings.

Preferably, the motor is a motor.

A vehicle, comprising: suspension, wheels and steering drive system provided above;

a knuckle in the steering drive system is mechanically coupled to the suspension; and an output shaft of a motor in the steering driving system is mechanically connected with the wheels and is used for driving the wheels to act according to the control instruction.

Preferably, the mechanical connection is a weld or rivet.

According to the specific embodiment provided by the invention, the invention discloses the following technical effects:

according to the steering driving system and the application vehicle thereof, the system space can be simplified by adopting the steering module with the integrated arrangement, and the steering control effect can be further improved by adopting the ESP module to control the steering module.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a steering drive system and a vehicle employing the same according to the present invention;

fig. 2 is a schematic structural diagram of a steering module according to the present invention.

Symbol description:

1-ESP module, 2-steering module, 3-wheel, 4-knuckle, 5-motor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1, the steering driving system provided by the present invention includes: an ESP module 1 and an integrally provided steering module 2.

The ESP module 1 is used for generating control instructions; the control instruction includes: steering instructions and drive travel instructions;

the steering module 2 is electrically connected with the ESP module 1, and the steering module 2 is used for performing corresponding actions according to the control instruction.

In order to further simplify the system space and improve the control accuracy, as shown in fig. 2, the steering module 2 of the present invention includes: knuckle 4 and motor 5;

the motor is electrically connected with the ESP module 1; the motor is used for performing corresponding actions according to the control instruction; the motor 5 is placed in the knuckle 4, for example, by connecting the upper and lower end surfaces of the motor 5 to the cavity of the knuckle 4. The motor 5 adopted by the invention is a hub motor.

Based on the above, the invention can greatly reduce the system space by implanting the motor 5 into the knuckle 4, and can effectively avoid the problem of consumption of the effective torque by the mechanical force by directly controlling the output torque of the motor 5 by adopting the ESP module 1, thereby remarkably improving the driving control precision.

In addition, in response to the steering drive system provided above, the present invention also provides a vehicle including: suspension, wheels 3 and steering drive system provided above;

a knuckle 4 in the steering drive system is mechanically connected to the suspension; an output shaft of a motor 5 in the steering driving system is mechanically connected with the wheels 3 and is used for driving the wheels 3 to act according to a control instruction. The mechanical connection in the invention is welding or riveting.

Based on the description, when the vehicle needs to be driven and controlled, the ESP module receives the driving control signal, generates a steering command or a driving running command according to the driving control signal, further distributes the moment corresponding to the command to a motor arranged in a steering knuckle, and the motor outputs the stress moment according to the moment distribution signal, directly acts on the wheels to complete driving action, so that attenuation and consumption of mechanical force in the signal transmission process can be effectively reduced, and further driving control precision is improved.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims

1. A steering drive system, comprising:

the steering module is electrically connected with the ESP module and is used for performing corresponding actions according to the control instruction;

the steering module includes: knuckle and motor;

the motor is electrically connected with the ESP module; the motor is used for performing corresponding actions according to the control instruction; the motor is arranged in the steering knuckle; the motor is a hub motor;

when the vehicle needs to be driven and controlled, the ESP module receives a driving control signal, generates a steering instruction or a driving running instruction according to the driving control signal, further distributes the moment corresponding to the instruction to a motor arranged in a steering knuckle, and the motor outputs a stress moment according to the moment distribution signal to directly act on wheels to finish driving actions;

connecting the upper end face and the lower end face of the motor to the cavity of the knuckle; the system space is reduced by implanting the motor into the knuckle, and the output torque of the motor is directly controlled by adopting the ESP module, so that the problem of consumption of effective torque by mechanical force is avoided, and the driving control precision is improved.

2. A vehicle, characterized by comprising: suspension, wheel and steering drive system according to claim 1;

3. A vehicle according to claim 2, wherein the mechanical connection is welding or riveting.