IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0250866
(2011-09-30)
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등록번호 |
US-8798868
(2014-08-05)
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발명자
/ 주소 |
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출원인 / 주소 |
- Toyota Motor Engineering & Manufacturing North America
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
5 인용 특허 :
15 |
초록
▼
The automobile described herein employs an aerodynamic chassis control system to limit and/or control the affect of yaw and roll created by environmental and operating conditions on an automobile with minimal penalty to improve ride comfort and performance of the automobile. The aerodynamic chassis
The automobile described herein employs an aerodynamic chassis control system to limit and/or control the affect of yaw and roll created by environmental and operating conditions on an automobile with minimal penalty to improve ride comfort and performance of the automobile. The aerodynamic chassis control system employs various movable stabilization elements to control yaw and roll. Moreover, aerodynamic chassis control system constantly monitors environmental and operating conditions of the automobile and adjusts the stabilization elements to provide ride comfort and automobile performance.
대표청구항
▼
1. An automobile having a yaw axis and a roll axis, comprising: a chassis;a plurality of wheels rotatably coupled to the chassis;an engine mounted to the chassis and configured to engage and drive the plurality of wheels;a body mounted on the chassis and configured to at least partially enclose the
1. An automobile having a yaw axis and a roll axis, comprising: a chassis;a plurality of wheels rotatably coupled to the chassis;an engine mounted to the chassis and configured to engage and drive the plurality of wheels;a body mounted on the chassis and configured to at least partially enclose the engine;a control unit in electronic communication with the engine and configured to manage an operation of the engine;a chassis stabilization system including: a first plurality of moveable aerodynamic elements movably installed on the body of the automobile, the first plurality of moveable aerodynamic elements being configured to cause a first plurality of forces to be applied to and distributed over the body of the automobile to control a yaw movement of the automobile about the yaw axis, anda second moveable aerodynamic element movably installed on the chassis and configured to cause a second force to be applied to the automobile to control a roll movement of the automobile about the roll axis, wherein the chassis stabilization system is in electronic communication with the control unit such that the control unit is configured to move at least one of the first plurality of moveable aerodynamic elements or the second moveable aerodynamic element in response to a driver event or an environmental event;a first plurality of sensors configured to detect a feedback yaw effect of the applied first plurality of forces and a feedback roll effect of the applied second force; anda second plurality of sensors configured to iteratively detect a feedback environmental condition,wherein the first plurality of moveable aerodynamic elements are configured to cause a first plurality of response forces to be applied to the automobile to control the yaw movement of the automobile about the yaw axis based on the feedback yaw effect and the feedback environmental condition, andwherein the second moveable aerodynamic element is configured to cause a second response force to be applied to the automobile to control the roll movement of the automobile about the roll axis based on the feedback roll effect and the feedback environmental condition. 2. The automobile of claim 1, wherein the environmental event includes at least one of cross winds, pot holes, a low traction driving surface, or a winding road. 3. The automobile of claim 1, further comprising a third plurality of sensors configured to detect the driver event, and wherein the control unit is configured to cause the chassis stabilization system to respond to the driver event. 4. The automobile of claim 1, wherein the driver event includes at least one of turning, changing lanes, or rapid acceleration or deceleration. 5. The automobile of claim 1, wherein the chassis stabilization system comprises a third plurality of movable aerodynamic elements positioned on the chassis and configured to cause a third plurality of forces to be applied to and distributed over the chassis, wherein the applied first plurality of forces distributed over the body of the automobile along with the applied third plurality of forces distributed over the chassis control the yaw movement of the automobile about the yaw axis. 6. The automobile of claim 1, wherein the chassis stabilization system comprises a fourth plurality of movable aerodynamic elements, and wherein the fourth plurality of moveable aerodynamic elements are moveably installed on the chassis, such that the fourth plurality of moveable aerodynamic elements cause a fourth plurality of forces to be applied to and distributed over the chassis such that the applied second force along with the applied fourth plurality of forces control the roll movement of the automobile about the roll axis. 7. The automobile of claim 1, wherein the first plurality of moveable aerodynamic elements are a plurality of fins, and the plurality of fins are configured to cause the first plurality of response forces to be applied to counteract a first overcorrection in the yaw movement of the automobile as a result of the applied first plurality of forces, and the second moveable aerodynamic element is configured to cause the second response force to be applied to counteract a second overcorrection in the roll movement of the automobile as a result of the applied second force. 8. The automobile of claim 1, wherein the second moveable aerodynamic element is a paddle,the feedback yaw effect includes a first yaw movement of the automobile, and the feedback roll effect includes a first roll movement of the automobile,the first plurality of sensors are configured to detect the first yaw movement and the first roll movement,the control unit is configured to determine whether the first yaw movement results in a first overcorrection in the yaw movement of the automobile, and whether the first roll movement results in a second overcorrection in the roll movement of the automobile,the first plurality of moveable aerodynamic elements are configured to cause the first plurality of response forces to be applied to the automobile to counteract the first overcorrection in the yaw movement, andthe paddle is configured to cause the second response force to be applied to the automobile to counteract the second overcorrection in the roll movement. 9. An automobile having a yaw axis and a roll axis, the automobile comprising: a chassis;a body having a rear portion and a front portion, the body of the automobile being mounted on the chassis;a plurality of sensors distributed across the automobile and configured to detect environmental events and driver events;a control unit in electronic communication with the plurality of sensors; anda chassis stabilization system, including: a first plurality of fins movably installed on a first plurality of fin locations under the automobile and configured to cause a first plurality of forces to be applied to and distributed under the automobile to control a yaw movement or rotation of the automobile about the yaw axis, anda first plurality of paddles movably installed on a first plurality of paddle locations under the automobile and configured to cause a second plurality of forces to be applied to and distributed over the body of the automobile to control a roll movement or rotation of the automobile about the roll axis,wherein the plurality of sensors are configured to detect a feedback yaw effect of the applied first plurality of forces, a feedback roll effect of the applied second plurality of forces and a feedback environmental condition,wherein the first plurality of fins are configured to cause a first plurality of response forces to be applied to the automobile to control the yaw movement or rotation of the automobile about the yaw axis based on the feedback yaw effect and the feedback environmental condition, andwherein the first plurality of paddles are configured to cause a second plurality of response forces to be applied to the automobile to control the roll movement or rotation of the automobile about the roll axis based on the feedback roll effect and the feedback environmental condition. 10. The automobile of claim 9, further comprising: a second fin movably installed on a second fin location on the body of the automobile and configured to cause a third force to be applied to the automobile such that the applied first plurality of forces and the applied third force are distributed over the body of the automobile and the chassis to control the yaw movement or rotation of the automobile about the yaw axis. 11. The automobile of claim 10, wherein the first plurality of fins and the second fin are positioned by the control unit such that the applied first plurality of forces complement the applied third force to control the yaw movement or rotation of the automobile about the yaw axis. 12. The automobile of claim 9, wherein at least one of the first plurality of paddles is located on a first side of the chassis and at least one of the first plurality of paddles is located on a second side of the chassis to distribute the applied second plurality of forces over the first side and the second side of the chassis for controlling the roll movement or rotation of the automobile about the roll axis. 13. A method for stabilizing an automobile which has a yaw axis and a roll axis, the method comprising: providing an aerodynamic chassis control system comprising an electronic control unit, a plurality of yaw control elements installed on a body of the automobile and a plurality of roll control elements installed under the automobile;actuating the plurality of yaw control elements in response to a first driver event or a first environmental event being detected by the electronic control unit, wherein the electronic control unit is configured to command the plurality of yaw control elements to cause a first plurality of forces to be applied to and distributed over the body of the automobile for controlling a yaw movement of the automobile about the yaw axis in response to the first driver event or the first environmental event;actuating the plurality of roll control elements in response to a second driver event or a second environmental event being detected by the electronic control unit, wherein the electronic control unit is configured to command the plurality of roll control elements to cause a second plurality of forces to be applied to and distributed under the automobile for controlling a roll movement of the automobile about the roll axis;detecting, using a first plurality of sensors, a feedback yaw effect of the applied first plurality of forces and a feedback roll effect of the applied second plurality of forces;iteratively detecting, using a second plurality of sensors, a feedback environmental condition;causing, using the plurality of yaw control elements, a first plurality of response forces to be applied to the automobile to control the yaw movement of the automobile about the yaw axis based on the feedback yaw effect and the feedback environmental condition; andcausing, using the plurality of roll control elements, a second plurality of response forces to be applied to the automobile to control the roll movement of the automobile about the roll axis based on the feedback roll effect and the feedback environmental condition. 14. The method of claim 13, further comprising detecting at least one of the first driver event, the first environmental event, the second driver event or the second environmental event. 15. The method of claim 13, further comprising: adjusting at least one of the applied first plurality of forces or the applied second plurality of forces in response to at least one of a newly detected driver event or a newly detected environmental event, and disengaging at least one of the plurality of yaw control elements or the plurality of roll control elements in response to not detecting a new driver event or a new environmental event requiring stabilization about the yaw axis or about the roll axis. 16. The method of claim 13, wherein the plurality of yaw control elements are in phase with an operation of the automobile in response to the automobile operating at a first speed condition, and wherein the plurality of yaw control elements are out of phase with an operation of the automobile in response to the automobile operating at a second speed condition. 17. The method of claim 13, wherein at least one applied force of the applied second plurality of forces is a downward force applied to a first portion of the automobile. 18. An automobile having a yaw axis, the automobile comprising: a chassis;a plurality of wheels rotatably coupled to the chassis;an engine mounted to the chassis and configured to engage and drive the plurality of wheels;a body mounted on the chassis and configured to at least partially enclose the engine;a control unit in electronic communication with the engine and configured to manage an operation of the engine;a chassis stabilization system including a first plurality of moveable aerodynamic elements, the first plurality moveable aerodynamic elements being configured to cause a first plurality of forces to be applied to and distributed over the body of the automobile to control a yaw movement or rotation of the automobile about the yaw axis, wherein the chassis stabilization system is in electronic communication with the control unit such that the control unit moves the first plurality of moveable aerodynamic elements in response to a first driver event or a first environmental event causing a yaw displacement of the automobile about the yaw axis;a first plurality of sensors configured to detect a feedback yaw effect of the applied first plurality of forces; anda second plurality of sensors configured to detect a feedback environmental condition,wherein the first plurality of moveable aerodynamic elements are configured to cause a first plurality of response forces to be applied to the automobile to control the yaw movement of the automobile about the yaw axis based on the feedback yaw effect and based on the feedback environmental condition. 19. The automobile of claim 18, further having a roll axis, the automobile further comprising a second plurality of moveable aerodynamic elements movably installed under the automobile and configured to cause a second plurality of forces to be applied to and distributed over the chassis to control a roll movement of the automobile about the roll axis, wherein the chassis stabilization system is configured to be in electronic communication with the control unit such that the control unit controls movement of the second plurality of moveable aerodynamic elements in response to a second driver event or a second environmental event causing a roll displacement of the automobile about the roll axis, the first plurality of sensors are configured to detect a feedback roll effect of the applied second plurality of forces, and the second plurality of moveable aerodynamic elements are configured to cause a second plurality of response forces to be applied to the automobile to control the roll movement of the automobile about the roll axis based on the feedback roll effect and based on the feedback environmental condition. 20. The automobile of claim 18, wherein the first plurality of moveable aerodynamic elements are a plurality of fins movably installed on the body of the automobile, the plurality of fins are configured to cause the first plurality of response forces to be applied to counteract a first overcorrection in the yaw movement of the automobile as a result of the applied first plurality of forces, and the second plurality of moveable aerodynamic elements are configured to cause the second plurality of response forces to be applied to counteract a second overcorrection in the roll movement of the automobile as a result of the applied second plurality of forces.
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