CN118025106A - Automatic control system, steering control method and stopping and starting control method for vehicle - Google Patents
Automatic control system, steering control method and stopping and starting control method for vehicle Download PDFInfo
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- CN118025106A CN118025106A CN202410447510.7A CN202410447510A CN118025106A CN 118025106 A CN118025106 A CN 118025106A CN 202410447510 A CN202410447510 A CN 202410447510A CN 118025106 A CN118025106 A CN 118025106A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000003068 static effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 129
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of vehicle control, in particular to an automatic vehicle control system, a steering control method and a stopping and starting control method, wherein the control system comprises an oil tank, an oil supply pipeline, an oil return pipeline and a brake valve, wherein the oil supply pipeline and the oil return pipeline are connected with the oil tank, the brake valve and the controller are connected with the oil supply pipeline, the brake valve is connected with a clutch, and a brake valve core of the brake valve is connected with a brake pedal; a control oil way is connected between the control valve and the brake valve, oil in the control oil way is used for pushing the brake valve core to act, and the acting force of the control oil way on the brake valve core is the same as the acting force direction on the brake valve core when the brake pedal is stepped on; the opening control of the control valve is realized by the controller, and the opening of the brake valve is controlled by adopting a mode of automatically identifying the speed of the vehicle, so that the speed of the vehicle is automatically reduced by steering; when the whole machine needs to be braked, when the intention of a driver for braking is identified, continuous braking is provided, and the situation that the traditional machine always needs to manually step on a pedal to be braked is avoided.
Description
Technical Field
The invention relates to the technical field of vehicle control, in particular to an automatic vehicle control system, a steering control method and a stopping and starting control method.
Background
In the prior art, some engineering vehicles need to work on a slope, and turning or braking is inevitably performed in the working process. When the steering handle is pushed to steer on a slope, the pressure oil is gradually released from the clutch at the steering side, so that the speed of the crawler belt at the steering side is reduced, and the rotating speeds of the left crawler belt and the right crawler belt form a rotating speed difference, thereby realizing steering. If the speed of the whole machine is high, a driver must first press a brake pedal to reduce the speed to a certain speed before steering, otherwise, the speed of the whole machine is high enough to cause safety accidents. Therefore, a driver needs to push the control handle left and the brake pedal by foot, fatigue of the driver is easily caused when the driver works for a long time, and meanwhile, the working efficiency is also influenced. When the whole machine needs to be braked on a slope, a driver is required to step on the brake pedal all the time, and the whole machine can slide when the brake pedal is released.
Disclosure of Invention
In order to solve the problem that the driver is tired in driving caused by manual control of vehicle brake in the prior art, the invention provides an automatic vehicle control system, which assists the driver to finish the adjustment of the vehicle speed through the control system, and reduces the driving fatigue of the driver. In addition, the invention also provides a steering control method, no matter what state the speed of the whole machine is, the steering can be realized only by controlling the angle of the handle during steering operation; the invention also provides a stopping and starting control method, when a driver fully steps on the pedal, the whole machine can realize automatic braking, and the driver does not need to step on the brake pedal all the time.
The technical scheme adopted for solving the technical problems is as follows:
An automatic vehicle control system comprising:
An oil tank;
an oil supply pipeline and an oil return pipeline connected with the oil tank;
The brake valve is connected with the oil supply pipeline, the brake valve is connected with a clutch, and a brake valve core of the brake valve is connected with a brake pedal for realizing the control of oil supply of the clutch;
The control valve is connected with a control oil way between the control valve and the brake valve, oil in the control oil way is used for pushing the brake valve core to act, and the acting force of the control oil way on the brake valve core is the same as the acting force direction on the brake valve core when the brake pedal is stepped on;
and the controller is used for controlling the opening degree of the control valve.
Further, the brake valve is provided with an oil inlet connected with the oil supply pipeline, a working oil port connected with the clutch and an oil return port connected with the oil tank, one end of the brake valve is provided with a brake cavity connected with the control oil path, and the size of an oil duct between the oil inlet and the working oil port is gradually reduced and the size of the oil duct between the working oil port and the oil return port is gradually increased in the process that the brake valve core is pulled by the brake pedal and/or oil in the brake cavity pushes the brake valve core.
Further, when the brake pedal independently acts on the brake valve core, the size of the oil passage between the oil inlet and the working oil port is gradually reduced in proportion to the angle of the driver stepping on the brake pedal, and the size of the oil passage between the working oil port and the oil return port is gradually increased in proportion to the angle of the driver stepping on the brake pedal.
Further, the working oil port, the oil inlet and the oil return port are arranged in one-to-one correspondence with the clutch.
Further, the automatic oil supply device also comprises an on-off valve, wherein the on-off valve is arranged on the oil supply pipeline and is used for realizing on-off of the oil supply pipeline.
Further, the brake valve further comprises a valve core return spring for returning the brake valve core.
Further, the control valve comprises an electric proportional valve. The electric proportional valve has the advantages of sensitivity adjustment, stable and reliable work and the like, and can be used for parameter setting and accurate control.
Further, the control system also comprises a vehicle speed sensor for measuring the speed of the whole vehicle.
The invention also provides a steering control method based on the vehicle automatic control system, which comprises the following steps:
S11, the controller receives a steering instruction, and compares the actual vehicle speed measured by the vehicle speed sensor with a target vehicle speed;
S12: when the actual vehicle speed is smaller than or equal to the target vehicle speed, the original vehicle speed is kept for steering;
S13: when the actual vehicle speed measured by the vehicle speed sensor is greater than the target vehicle speed, the controller sends out a command to adjust the current of the control valve, and the opening of the valve port of the control valve is opened according to the current proportion; the pressure oil acts on the brake valve core of the brake valve, the brake valve core moves, the oil channels of the working oil port and the oil inlet are gradually reduced, the oil channels of the working oil port and the oil return port are gradually enlarged, and under the action of the clutch return spring, the dynamic friction plate and the static friction plate of the clutch are gradually combined, so that the speed of the whole machine is reduced.
The invention also provides a vehicle stopping and starting control method based on the vehicle automatic control system, which comprises a stopping method and a starting method:
the stopping method comprises the following steps:
s211, when the vehicle runs, after the controller receives a complete stepping instruction of a brake pedal, adjusting the current of the control valve, and opening the opening of the control valve to the maximum;
S212: the pressure oil of the control oil way instantaneously acts on the brake valve core, the brake valve core moves and compresses a valve core reset spring of the brake valve core until the brake valve core moves to a first limit position, the oil return port is completely opened, the oil of the working oil port instantaneously flows back to the oil tank, and under the action of the clutch reset spring, a dynamic friction plate and a static friction plate of a clutch are quickly combined together to generate enough brake torque, so that the whole machine is braked;
the starting method comprises the following steps:
S221: when the vehicle stops, the controller receives a pedal fully-depressed instruction, adjusts the current of the control valve, and immediately closes the valve port of the control valve;
S222: the pressure oil of the control oil way instantaneously flows back to the oil tank, the brake valve core is quickly reset under the action of the valve core reset spring until the brake valve core moves to the second limit position, at the moment, the oil inlet is completely opened, the dynamic friction plate and the static friction plate of the clutch are separated under the action of the pressure oil, and the power of the whole machine is output to the final transmission structure, so that the whole machine moves.
The beneficial effects are that:
(1) The brake valve core of the brake valve is connected with the brake pedal, the speed of the vehicle can be adjusted by stepping the brake pedal by a driver, in addition, the speed of the vehicle can be adjusted by the brake valve core through the control system, the on-off of the brake oil circuit is realized by the control oil circuit through the travel of the control valve core, and the action of the control valve is controlled by the control system, so that the control system can assist the driver to complete the speed adjustment, and the fatigue of the driver in driving is reduced;
(2) According to the invention, the opening of the brake valve is controlled in a mode of automatically identifying the vehicle speed, so that the steering is realized to automatically reduce the vehicle speed, and the situation that the whole machine has safety accidents due to too fast steering of the vehicle speed when the vehicle turns on a ramp is prevented;
(3) When the whole machine needs to be braked, when the intention of a driver for braking is identified, continuous braking is provided, and the situation that the traditional machine always needs to manually step on a pedal to brake is avoided, so that the phenomenon of sliding is further prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of 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 hydraulic schematic diagram of an automatic vehicle control system of the present invention;
FIG. 2 is a schematic structural view of a brake valve;
Fig. 3 is a control logic diagram of the vehicle automatic control system of the present invention.
1. The hydraulic oil pump comprises an oil tank, 2, a filter, 3, a pump, 4, an overflow valve, 5, an on-off valve, 6, a control valve, 7, a brake valve, 71, a brake cavity, 72, a brake valve core, 721, a pin shaft hole, 8, a right clutch, 9, a left clutch, 10, an oil supply pipeline, 11, an oil return pipeline, 12, a control oil pipeline, 13, a working oil pipeline, A, an oil inlet, B, a working oil port, C and an oil return port.
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. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
1-2, An automatic vehicle control system comprises an oil tank 1, an oil supply pipeline 10, an oil return pipeline 11, a brake valve 7, a control valve 6 and a controller, wherein the oil supply pipeline 10 is connected with the oil tank 1, the brake valve 7 is connected with the oil supply pipeline 10, the brake valve 7 is connected with a clutch, a brake valve core 72 of the brake valve 7 is connected with a brake pedal, and the brake valve 7 for controlling the oil supply of the clutch further comprises a valve core return spring for returning the brake valve core 72; a control oil way 12 is connected between the control valve 6 and the brake valve 7, oil in the control oil way 12 is used for pushing the brake valve core 72 to act, and the acting force of the control oil way 12 on the brake valve core 72 is the same as the acting force direction on the brake valve core 72 when the brake pedal is stepped on; as shown in fig. 2, a brake chamber 71 connected to the control oil passage 12 is provided at one end of the brake valve 7, and oil liquid introduced into the brake chamber 71 is used to push the brake valve element 72, and the brake valve element 72 of the brake valve is provided with a pin hole 721 connected to a brake pedal, so that the brake valve element 72 is pulled when the brake pedal is depressed.
The brake valve 7 is provided with an oil inlet A connected with the oil supply pipeline 10, a working oil port B connected with the clutch and an oil return port C connected with the oil tank 1, and the size of an oil passage between the oil inlet A and the working oil port B is gradually reduced, and the size of the oil passage between the working oil port B and the oil return port C is gradually increased in the process that the brake pedal pulls the brake valve core 72 and/or oil in the brake cavity 71 to push the brake valve core 72. The working oil port B is connected with a rod cavity of the clutch through a working oil way 13, and a clutch return spring is arranged in a rodless cavity of the clutch.
When the brake pedal independently acts on the brake valve core 72, the size of the oil passage between the oil inlet A and the working oil port B is gradually reduced in proportion to the angle of the driver stepping on the brake pedal, and the size of the oil passage between the working oil port B and the oil return port C is gradually increased in proportion to the angle of the driver stepping on the brake pedal.
The working oil port B, the oil inlet A and the oil return port C are arranged in one-to-one correspondence with the clutch. In the invention, the clutch comprises a left clutch 9 and a right clutch 8, and a working oil port B, an oil inlet A and an oil return port C corresponding to the same clutch can be communicated and are independently arranged with the working oil ports B, the oil inlet A and the oil return port C of other clutches.
The oil supply pipeline 10 is provided with an on-off valve 5, and the on-off valve 5 is arranged on the oil supply pipeline 10 and is used for realizing on-off of the oil supply pipeline 10. The on-off valve 5 can be a two-position three-way electromagnetic valve or a two-position three-way hydraulic control valve. The oil return pipeline 11 is provided with an overflow valve 4, and the oil supply pipeline 10 is also provided with a pump 3 and a filter 2.
The controller realizes the opening control of the control valve 6, and the control valve 6 is optional but not limited to an electric proportional valve. Instead of an electro proportional valve, the control valve 6 may also be a pilot operated valve.
The control system can directly open the opening of the electric proportional valve to a certain set value (such as 1/2) after receiving the rotating speed instruction so as to reduce the speed of the vehicle when the vehicle turns. And (3) whether the electric proportional valve is opened or not is rotated by measuring the actual vehicle speed and adjusting the actual vehicle speed and the target vehicle speed.
The invention also provides a steering control method based on the vehicle automatic control system, as shown in figures 1-3, comprising the following steps:
S11, the controller receives a steering instruction, and compares the actual vehicle speed measured by the vehicle speed sensor with a target vehicle speed;
S12: when the actual vehicle speed is smaller than or equal to the target vehicle speed, the original vehicle speed is kept for steering;
S13: when the actual vehicle speed measured by the vehicle speed sensor is greater than the target vehicle speed, the vehicle speed can be reduced by stepping on a pedal by a driver, or the controller sends out a command to adjust the current of the control valve 6, and the opening of the valve port of the control valve 6 is opened according to the current proportion; the pressure oil acts on the brake valve core 72 of the brake valve 7, the brake valve core 72 moves, the oil channels of the working oil port B and the oil inlet A are gradually reduced, the oil channels of the working oil port B and the oil return port C are gradually enlarged, and under the action of the clutch return spring, the dynamic friction plate and the static friction plate of the clutch are gradually combined, so that the speed of the whole machine is reduced.
The invention also provides a vehicle stopping and starting control method based on the vehicle automatic control system, as shown in fig. 1-3, comprising a stopping method and a starting method:
the stopping method comprises the following steps:
S211, when the vehicle runs, after the controller receives a complete brake pedal depressing instruction, the controller regulates the current of the control valve 6 and opens the opening of the control valve 6 to the maximum;
S212: the pressure oil in the control oil way 12 instantaneously acts on the brake valve core 72, the brake valve core 72 moves and compresses a valve core reset spring of the brake valve core 72 until the brake valve core 72 moves rightwards to a first limit position, the oil return port C is completely opened, the oil in the working oil port B instantaneously flows back to the oil tank 1, and under the action of the clutch reset spring, a dynamic friction plate and a static friction plate of a clutch are quickly combined together to generate enough brake torque, so that the whole machine is braked;
the starting method comprises the following steps:
S221: when the vehicle stops, the controller receives a pedal fully-depressed instruction, adjusts the current of the control valve 6, and immediately closes the valve port of the control valve 6;
S222: the pressure oil in the control oil way 12 instantaneously flows back to the oil tank 1, the brake valve core 72 is quickly reset under the action of the valve core reset spring until the brake valve core 72 moves leftwards to a second limit position, at the moment, the oil inlet A is completely opened, the dynamic friction plate and the static friction plate of the clutch are separated under the action of the pressure oil, the power of the whole machine is output to a final transmission structure, and the whole machine moves.
The automatic vehicle control system is suitable for various engineering vehicles such as bulldozers and the like, and is suitable for scenes such as water conservancy construction, farmland transformation and the like.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (10)
1. An automatic control system for a vehicle, characterized in that: comprising the following steps:
An oil tank (1);
an oil supply pipeline (10) and an oil return pipeline (11) which are connected with the oil tank (1);
The brake valve (7), the brake valve (7) is connected with oil supply pipeline (10), the said brake valve (7) is connected with the clutch, connect with the brake pedal on the brake valve core (72) of the said brake valve (7), is used for realizing the control of the oil supply of the clutch;
The control valve (6), connect with the control oil circuit (12) between brake valve (7) and the said control valve (6), the oil in the said control oil circuit (12) is used for pushing the brake valve core (72) to act, the acting force of the control oil circuit (12) to the brake valve core (72) is the same as acting force direction to the brake valve core (72) when the brake pedal is stepped on;
and the controller is used for controlling the opening degree of the control valve (6).
2. The automatic vehicle control system according to claim 1, characterized in that: the brake valve (7) is provided with an oil inlet (A) connected with an oil supply pipeline (10), a working oil port (B) connected with a clutch and an oil return port (C) connected with an oil tank (1), one end of the brake valve (7) is provided with a brake cavity (71) connected with a control oil path (12), and in the process that the brake valve core (72) is pulled by a brake pedal and/or the brake valve core (72) is pushed by oil in the brake cavity (71), the size of an oil duct between the oil inlet (A) and the working oil port (B) is gradually reduced, and the sizes of the oil ducts of the working oil port (B) and the oil return port (C) are gradually increased.
3. The automatic vehicle control system according to claim 1, characterized in that: when the brake pedal independently acts on the brake valve core (72), the size of an oil passage between the oil inlet (A) and the working oil port (B) is gradually reduced in proportion to the angle of a driver stepping on the brake pedal, and the size of an oil passage between the working oil port (B) and the oil return port (C) is gradually increased in proportion to the angle of the driver stepping on the brake pedal.
4. The automatic vehicle control system according to claim 1, characterized in that: the working oil ports (B), the oil inlets (A) and the oil return ports (C) are arranged in one-to-one correspondence with the clutches.
5. The automatic vehicle control system according to claim 1, characterized in that: the automatic oil supply device is characterized by further comprising an on-off valve (5), wherein the on-off valve (5) is arranged on the oil supply pipeline (10) and is used for realizing on-off of the oil supply pipeline (10).
6. The automatic vehicle control system according to claim 1, characterized in that: the brake valve (7) also comprises a valve core return spring for returning the brake valve core (72).
7. The automatic vehicle control system according to any one of claims 1 to 6, characterized in that: the control valve (6) comprises an electric proportional valve.
8. The automatic vehicle control system according to claim 7, characterized in that: the control system also comprises a vehicle speed sensor for measuring the speed of the whole vehicle.
9. A steering control method based on the vehicle automatic control system according to claim 8, characterized in that: the steering control method comprises the following steps:
S11, the controller receives a steering instruction, and compares the actual vehicle speed measured by the vehicle speed sensor with a target vehicle speed;
S12: when the actual vehicle speed is smaller than or equal to the target vehicle speed, the original vehicle speed is kept for steering;
S13: when the actual vehicle speed measured by the vehicle speed sensor is greater than the target vehicle speed, the controller sends out a command to adjust the current of the control valve (6), and the opening of the valve port of the control valve (6) is opened according to the current proportion; the pressure oil acts on a brake valve core (72) of a brake valve (7), the brake valve core (72) moves, an oil passage of a working oil port (B) and an oil inlet (A) is gradually reduced, the oil passages of the working oil port (B) and an oil return port (C) are gradually enlarged, and a dynamic friction plate and a static friction plate of a clutch are gradually combined under the action of a clutch return spring, so that the speed of the whole machine is reduced.
10. A vehicle stop-start control method based on the vehicle automatic control system according to claim 8, characterized in that: the vehicle stopping and starting control method comprises a stopping method and a starting method:
the stopping method comprises the following steps:
S211, when the vehicle runs, after the controller receives a complete stepping instruction of a brake pedal, adjusting the current of the control valve (6) and opening the opening of the control valve (6) to the maximum;
S212: the pressure oil of the control oil way (12) acts on the brake valve core (72) instantaneously, the brake valve core (72) moves and compresses a valve core return spring of the brake valve core (72) until the brake valve core (72) moves to a first limit position, the oil return port (C) is completely opened, the oil of the working oil port (B) flows back to the oil tank (1) instantaneously, and under the action of the clutch return spring, a dynamic friction plate and a static friction plate of a clutch are combined together rapidly to generate braking torque, so that the whole machine is braked;
the starting method comprises the following steps:
S221: when the vehicle stops, the controller receives a pedal fully-depressed instruction, adjusts the current of the control valve (6), and immediately closes the valve port of the control valve (6);
S222: the pressure oil in the control oil way (12) instantaneously flows back to the oil tank (1), the brake valve core (72) is quickly reset under the action of the valve core reset spring until the brake valve core (72) moves to a second limit position, at the moment, the oil inlet (A) is completely opened, the dynamic friction plate and the static friction plate of the clutch are separated under the action of the pressure oil, the power of the whole machine is output to a final transmission structure, and the whole machine moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410447510.7A CN118025106A (en) | 2024-04-15 | 2024-04-15 | Automatic control system, steering control method and stopping and starting control method for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410447510.7A CN118025106A (en) | 2024-04-15 | 2024-04-15 | Automatic control system, steering control method and stopping and starting control method for vehicle |
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| CN118025106A true CN118025106A (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410447510.7A Pending CN118025106A (en) | 2024-04-15 | 2024-04-15 | Automatic control system, steering control method and stopping and starting control method for vehicle |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981000697A1 (en) * | 1979-09-15 | 1981-03-19 | Lucas Industries Ltd | A vehicle brake actuator and braking system |
| US20060071546A1 (en) * | 2004-09-30 | 2006-04-06 | Honda Motor Co., Ltd. | Vehicle brake system |
| DE102007037967A1 (en) * | 2007-08-11 | 2009-02-12 | Linde Material Handling Gmbh | Utility vehicle e.g. battery-electrical fork-lift truck, has brake valve actuated from reduction position into supplying position and from supplying position into reduction position, by electric impulse |
| CN108545073A (en) * | 2018-05-18 | 2018-09-18 | 柳工无锡路面机械有限公司 | A kind of emergency braking system and braking method of rubber-tyred roller |
| CN110745122A (en) * | 2019-10-28 | 2020-02-04 | 中国煤炭科工集团太原研究院有限公司 | Intelligent braking system of explosion-proof rubber-tyred vehicle |
| CN212332630U (en) * | 2020-06-30 | 2021-01-12 | 徐工集团工程机械股份有限公司科技分公司 | Electric control hydraulic power-assisted braking system and engineering machinery thereof |
-
2024
- 2024-04-15 CN CN202410447510.7A patent/CN118025106A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981000697A1 (en) * | 1979-09-15 | 1981-03-19 | Lucas Industries Ltd | A vehicle brake actuator and braking system |
| US20060071546A1 (en) * | 2004-09-30 | 2006-04-06 | Honda Motor Co., Ltd. | Vehicle brake system |
| DE102007037967A1 (en) * | 2007-08-11 | 2009-02-12 | Linde Material Handling Gmbh | Utility vehicle e.g. battery-electrical fork-lift truck, has brake valve actuated from reduction position into supplying position and from supplying position into reduction position, by electric impulse |
| CN108545073A (en) * | 2018-05-18 | 2018-09-18 | 柳工无锡路面机械有限公司 | A kind of emergency braking system and braking method of rubber-tyred roller |
| CN110745122A (en) * | 2019-10-28 | 2020-02-04 | 中国煤炭科工集团太原研究院有限公司 | Intelligent braking system of explosion-proof rubber-tyred vehicle |
| CN212332630U (en) * | 2020-06-30 | 2021-01-12 | 徐工集团工程机械股份有限公司科技分公司 | Electric control hydraulic power-assisted braking system and engineering machinery thereof |
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