ES2319140B1 - ACTIVE SUSPENSION SYSTEM FOR TWO-WHEELED VEHICLES. - Google Patents

ACTIVE SUSPENSION SYSTEM FOR TWO-WHEELED VEHICLES. Download PDF

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Publication number
ES2319140B1
ES2319140B1 ES200601290A ES200601290A ES2319140B1 ES 2319140 B1 ES2319140 B1 ES 2319140B1 ES 200601290 A ES200601290 A ES 200601290A ES 200601290 A ES200601290 A ES 200601290A ES 2319140 B1 ES2319140 B1 ES 2319140B1
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Spain
Prior art keywords
vehicle
suspension
hardness
shock absorber
active suspension
Prior art date
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Active
Application number
ES200601290A
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Spanish (es)
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ES2319140A1 (en
Inventor
David Gallegos Diez
Francisco Liesa Mestres
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Universitat Politecnica de Catalunya UPC
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Universitat Politecnica de Catalunya UPC
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Priority to ES200601290A priority Critical patent/ES2319140B1/en
Publication of ES2319140A1 publication Critical patent/ES2319140A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B60G17/01941—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof characterised by the use of piezoelectric elements, e.g. sensors or actuators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B62K25/06—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
    • B62K25/10—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for rear wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/461—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall characterised by actuation means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/466—Throttling control, i.e. regulation of flow passage geometry

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Sistema de suspensión activa para vehículos de dos ruedas.Active suspension system for vehicles two wheels.

La invención es un sistema neumático accionado eléctricamente y controlado electrónicamente para conseguir modificar la dureza de la suspensión en función de una serie de parámetros que se miden durante la circulación del vehículo con la finalidad de adaptarla en tiempo real a las circunstancias de la carretera y al tipo de conducción. El sistema está formado por un amortiguador de botella separada, un sensor de presión, un controlador y un motor paso a paso que regula el paso de líquido. Además, el sistema se complementa con un regulador de accionamiento manual con el que el conductor puede variar el tarado de la suspensión según desee.The invention is a pneumatic driven system electrically and electronically controlled to get modify the hardness of the suspension based on a series of parameters that are measured during the movement of the vehicle with the purpose of adapting it in real time to the circumstances of the road and the type of driving. The system consists of a separate bottle damper, a pressure sensor, a controller and a stepper motor that regulates the passage of liquid. In addition, the system is complemented by a drive regulator manual with which the driver can vary the setting of the suspension as desired.

Description

Sistema de suspensión activa para vehículos de dos ruedas.Active suspension system for vehicles two wheels.

Sector de la técnicaTechnical sector

La presente invención se refiere a sistemas hidráulicos accionados eléctricamente y controlados electrónicamente para conseguir modificar la dureza de la suspensión aumentando la seguridad activa de un vehículo de dos ruedas.The present invention relates to systems electrically operated and controlled hydraulics electronically to modify the hardness of the suspension  increasing the active safety of a two-wheeled vehicle.

Estado de la técnicaState of the art

Se conocen otros sistemas de suspensión activa que adaptan la respuesta de dicho sistema a las condiciones de carretera y a la conducción que se está realizando en tiempo real independientemente del tipo de vehículo en el cual se instale.Other active suspension systems are known that adapt the response of said system to the conditions of road and driving that is being done in real time regardless of the type of vehicle in which it is installed.

Entre las patentes de este tipo de dispositivos se pueden citar las siguientes:Among the patents of this type of devices the following can be cited:

--
2035553. Unidad de suspensión para sistemas de suspensión activa, de octubre de 1989.2035553. Suspension unit for active suspension systems, October 1989.

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2042009 Un dispositivo de suspensión de un vehículo, de junio de 1990.2042009 A suspension device a vehicle, June 1990.

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2047886. Suspensión de vehículo, con fecha julio de 1991.2047886. Vehicle suspension, with July 1991 date.

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2069074. Sistema de control para controlar la suspensión de un vehículo terrestre, de febrero de 1992.2069074. Control system for control the suspension of a land vehicle, February 1992.

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2084921. Accionador para suspensión activa con amortiguación instantánea, de mayo de 1996.2084921. Suspension actuator active with instant damping, May 1996.

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2097400. Suspensión activa para vehículo, particularmente suspensión para la cabina del conductor de un vehículo comercial, con fecha de abril de 1997.2097400. Active suspension for vehicle, particularly suspension for the driver's cab of a commercial vehicle, dated April 1997.

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2122364. Procedimiento y aparato para controlar un sistema de suspensión activa, con fecha septiembre de 1995.2122364. Procedure and apparatus for control an active suspension system, dated September nineteen ninety five.

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2188881. Dispositivo y procedimiento de mando de los dispositivos accionadores para la suspensión activa de vehículos ferroviarios constituidos por una rama articulada, con fecha julio de 1998.2188881. Device and procedure of actuator control for active suspension of railway vehicles constituted by an articulated branch, with July 1998 date.
Breve descripción de la invenciónBrief Description of the Invention

La presente invención es un sistema de componentes que tienen la misión de variar el comportamiento de la suspensión en función de los parámetros que se miden continuamente, adaptando dicho comportamiento a las condiciones del entorno en tiempo real.The present invention is a system of components that have the mission to vary the behavior of the suspension depending on the parameters that are measured continuously, adapting this behavior to the environment conditions in real time.

Los componentes que permiten adaptar el comportamiento de la suspensión son un motor paso a paso que regula la apertura de paso de aceite del amortiguador a la botella separada, y cuya actuación está controlada mediante un microcomputador que recibe la señal de un sensor de presión ubicado en la tapa de la botella separada. El sistema se complementa mediante un conjunto de leds que informan al conductor del vehículo del estado de funcionamiento de la suspensión. El control de la suspensión también puede realizarse mediante actuación manual, seleccionando una posición determinada de funcionamiento.The components that allow adapting the suspension behavior are a stepper motor that regulates the opening of oil passage from the shock absorber to the bottle separate, and whose performance is controlled by a microcomputer that receives the signal from a located pressure sensor in the separate bottle cap. The system is complemented through a set of LEDs that inform the driver of the vehicle of the operating status of the suspension. The control of the suspension can also be done by manual actuation, selecting a certain operating position.

Descripción de las figurasDescription of the figures

Fig. 1: Vista en perspectiva de los elementos que componen el dispositivo.Fig. 1: Perspective view of the elements that make up the device.

Descripción detallada de la invenciónDetailed description of the invention

El sistema objeto de la presente invención es un dispositivo que permite adaptar el comportamiento y respuesta de la suspensión trasera de un vehículo de dos ruedas, incidiendo positivamente en la seguridad activa del vehículo y del conductor. El sistema está formado por un conjunto muelle - amortiguador (1) con botella separada (4) comunicados mediante un manguito (3). Este conjunto muelle - amortiguador es un conjunto estándar que dispone de sus soportes (2) para ser fijado a la estructura inferior del asiento y al basculante del vehículo en cuestión.The system object of the present invention is a device that allows adapting the behavior and response of the rear suspension of a two-wheeled vehicle, impacting positively in the active safety of the vehicle and the driver. The system consists of a spring-damper assembly (1) with separate bottle (4) communicated by means of a sleeve (3). This spring set - shock absorber is a standard set that has of its supports (2) to be fixed to the lower structure of the seat and swingarm of the vehicle in question.

El manguito (3) comunica la parte superior del conjunto muelle - amortiguador (1) con la parte superior de la botella separada (4) con la finalidad de poder intercalar en esta zona de la botella la regulación del caudal de aceite que pueda pasar a una zona u otra de la botella separada, modificando así el comportamiento del amortiguador.The sleeve (3) communicates the upper part of the spring assembly - shock absorber (1) with the upper part of the separate bottle (4) with the purpose of being able to insert in this bottle area the regulation of the oil flow that can move to one area or another of the separate bottle, thus modifying the shock absorber behavior.

Para modificar dicho comportamiento, el conjunto se complementa con un sensor de presión (6), situado en la zona inferior de la botella separada (4), que es donde se encuentra confinado el gas del amortiguador. Dicho sensor de presión (6) mide periódicamente la presión del gas que se encuentra en el interior de la botella separada (4) y envía esta señal (8) a la unidad electrónica de control (7). Esta pequeña unidad es un microcontrolador que calcula las diferencias de presión existentes entre periodos de tiempo preestablecidos para poder adaptar el comportamiento de la suspensión trasera según las necesidades del conductor en tiempo real.To modify such behavior, the set It is complemented by a pressure sensor (6), located in the area Bottom of the separate bottle (4), which is where it is located confined the damper gas. Said pressure sensor (6) measures periodically the pressure of the gas inside the separate bottle (4) and sends this signal (8) to the unit control electronics (7). This little unit is a microcontroller that calculates the existing pressure differences between pre-established periods of time to adapt the rear suspension behavior according to the needs of the Real time driver.

La unidad electrónica de control (7) recibe alimentación directa de la batería del vehículo y también realiza la función de alimentar a los demás componentes eléctricos o electrónicos del conjunto. Cuando la unidad electrónica de control (7) detecta la necesidad de actuar sobre el amortiguador, ésta envía una señal (9) al motor eléctrico paso a paso (5) de corriente continua, que desplaza un cono en el interior de la botella separada (4) modificando el caudal de aceite que puede pasar entre ambas zonas de la botella separada (4).The electronic control unit (7) receives Direct battery power of the vehicle and also performs the function of feeding the other electrical components or electronic set. When the electronic control unit (7) detects the need to act on the shock absorber, it sends a signal (9) to the electric motor step by step (5) current continuous, which displaces a cone inside the bottle separated (4) by modifying the oil flow that can pass between both areas of the separate bottle (4).

El sistema se complementa con un testigo luminoso ubicado en la cúpula del vehículo, que informa al conductor en tiempo real del estado de dureza del conjunto muelle - amortiguador y de tres pulsadores. El primer pulsador es para desconectar el sistema y dejar el conjunto en la regulación inicial. Una vez se ha desconectado la actuación del sistema en modo automático, los otros dos pulsadores permiten, de manera manual, regular la posición del cono en el interior de la botella separada (4), pudiendo escoger entre los tarados de suspensión posibles.The system is complemented by a witness luminous located in the dome of the vehicle, which informs the Real-time driver of the hardness state of the spring assembly - shock absorber and three push buttons. The first button is for disconnect the system and leave the set in the regulation initial. Once the system action has been disconnected in automatic mode, the other two buttons allow, so manual, adjust the position of the cone inside the bottle separate (4), being able to choose between suspension settings possible.

Claims (2)

1. Dispositivo de suspensión activa para un vehículo de dos ruedas, formado por:1. Active suspension device for a two-wheeled vehicle, consisting of:
a.to.
Un conjunto muelle - amortiguador de botella separada,A spring set - separate bottle damper,
b.b.
Un sensor de presión, ubicado en la parte inferior de la botella para medir el valor de presión de aceite en tiempo real,A pressure sensor, located on the bottom of the bottle to measure the oil pressure value in real time,
c.C.
Un motor eléctrico de corriente continua, para regular el caudal de aceite,A DC electric motor, to regulate the flow of oil,
d.d.
Una central electrónica de control, con un receptor de señales, un microprocesador y un emisor de señales, con la función de calculador,A electronic control center, with a signal receiver, a microprocessor and a signal emitter, with the function of calculating,
e.and.
Un testigo luminoso informativo en la cúpula del vehículo,A informational warning light on the dome of the vehicle,
f.F.
Un pulsador de desconexión del sistema en la cúpula del vehículo,A system disconnection button on the dome of the vehicle,
g.g.
Un pulsador de regulación manual para incrementar la dureza del conjunto muelle - amortiguador del vehículo,A manual adjustment button to increase the hardness of the spring assembly - vehicle shock absorber,
h.h.
Un pulsador de regulación manual para disminuir la dureza del conjunto muelle - amortiguador del vehículo,A manual adjustment button to reduce the hardness of the set spring - vehicle shock absorber,
caracterizado porque adapta el comportamiento de la suspensión trasera de un vehículo de dos ruedas en tiempo real, mediante la variación del caudal de aceite en el interior del amortiguador trasero, gracias a la información recibida por el sensor de presión y a la centralita calculadora, que mediante lazo cerrado compara la dureza instantánea con las señales y parámetros que recibe como presión del aceite, posición del cono regulador de caudal y opción de regulación seleccionada por el conductor. characterized in that adapts the behavior of the rear suspension of a two - wheeled vehicle in real time, by varying the oil flow inside the rear shock absorber, thanks to the information received by the pressure sensor and the ECU calculator, which by closed loop compares the instantaneous hardness with the signals and parameters it receives such as oil pressure, position of the flow regulator cone and regulation option selected by the driver. 2. Dispositivo de suspensión activa para un vehículo de dos ruedas, según la reivindicación 1, caracterizado porque permite una adaptación automática y electrónica del tarado de la suspensión trasera en función del tipo de conducción que realiza el conductor y que se puede seleccionar mediante los pulsadores de regulación manual, tanto para aumentar como para disminuir la firmeza del conjunto.2. Active suspension device for a two-wheeled vehicle, according to claim 1, characterized in that it allows an automatic and electronic adaptation of the rear suspension setting depending on the type of driving performed by the driver and which can be selected using the buttons manual regulation, both to increase and decrease the firmness of the set.
ES200601290A 2006-05-11 2006-05-11 ACTIVE SUSPENSION SYSTEM FOR TWO-WHEELED VEHICLES. Active ES2319140B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES200601290A ES2319140B1 (en) 2006-05-11 2006-05-11 ACTIVE SUSPENSION SYSTEM FOR TWO-WHEELED VEHICLES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200601290A ES2319140B1 (en) 2006-05-11 2006-05-11 ACTIVE SUSPENSION SYSTEM FOR TWO-WHEELED VEHICLES.

Publications (2)

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ES2319140A1 ES2319140A1 (en) 2009-05-04
ES2319140B1 true ES2319140B1 (en) 2010-01-25

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ES200601290A Active ES2319140B1 (en) 2006-05-11 2006-05-11 ACTIVE SUSPENSION SYSTEM FOR TWO-WHEELED VEHICLES.

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58133907A (en) * 1983-01-31 1983-08-09 Suzuki Motor Co Ltd Cushion device for vehicle
DE3601445A1 (en) * 1986-01-20 1987-07-23 Boge Gmbh HYDROPNEUMATIC SUSPENSION WITH LOAD-RELATED DAMPING CONTROL
DE4123643A1 (en) * 1990-11-30 1992-06-04 Peter Kleinbreuer Bicycle with sprung wheels - has each damper connected to its pressure accumulator via manually-operated valve
US5480011A (en) * 1992-09-29 1996-01-02 Showa Corp. Hydraulic damper
JPH06171337A (en) * 1992-12-11 1994-06-21 Suzuki Motor Corp Suspension device for vehicle
WO1999004182A1 (en) * 1997-07-14 1999-01-28 Active Control Experts, Inc. Adaptive damper
DE19922745A1 (en) * 1999-05-18 2000-12-07 Bayerische Motoren Werke Ag Wheel suspension for motorcycle uses electronic control device for adjusting damping force of each wheel suspension unit dependent on manual selection or monitored operating parameters
US6286642B1 (en) * 1999-10-18 2001-09-11 Giant Mfg. Co., Ltd Fluid regulating device for use with a shock-absorbing cylinder to obtain a variable shock absorbing effect

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