EP4301613A1 - Verfahren zum überwachen eines fahrzeugs - Google Patents
Verfahren zum überwachen eines fahrzeugsInfo
- Publication number
- EP4301613A1 EP4301613A1 EP21839048.2A EP21839048A EP4301613A1 EP 4301613 A1 EP4301613 A1 EP 4301613A1 EP 21839048 A EP21839048 A EP 21839048A EP 4301613 A1 EP4301613 A1 EP 4301613A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chassis
- warning signal
- vehicle
- drive
- active
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W50/16—Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal
-
- 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
- B60G17/018—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 use of a specific signal treatment or control method
- B60G17/0185—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 use of a specific signal treatment or control method for failure detection
-
- 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
- B60G17/0195—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 regulation being combined with other vehicle control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/04—Means for informing, instructing or displaying
- B60G2600/042—Monitoring means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/04—Means for informing, instructing or displaying
- B60G2600/044—Alarm means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/80—Detection or control after a system or component failure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/80—Detection or control after a system or component failure
- B60G2800/802—Diagnostics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/90—Driver alarms
- B60Y2400/902—Driver alarms giving haptic or tactile signals
Definitions
- the invention relates to a method for monitoring a vehicle, which has a vehicle body, a chassis connected to the vehicle body, and a monitoring unit that monitors the chassis for damage and, if chassis damage is detected, generates a warning signal by means of a warning signal generator.
- Many active chassis components in a vehicle can record acceleration and/or movement speeds, for example a rotor position sensor and/or torque sensor in an electromechanical roll stabilization system, a force and/or rotor position sensor in an electronic steering system, ride height sensors, etc.
- acceleration and/or movement speeds for example a rotor position sensor and/or torque sensor in an electromechanical roll stabilization system, a force and/or rotor position sensor in an electronic steering system, ride height sensors, etc.
- the damage is then categorized by an evaluation, e.g. determined by forming a fast Fourier transformation (FFT) or an order analysis, which depends on the wheel speed or another suitable speed.
- FFT fast Fourier transformation
- a suitable speed can be, for example, a motor speed of a chassis actuator.
- warnings can be issued to the driver, which can be communicated to the driver in different ways. Issuing a warning message to the driver in the form of a pictogram and/or a warning tone is known, for example. Sometimes, however, such warnings are ignored by the driver.
- the invention is based in particular on the object of making it more difficult for the driver to ignore a warning message caused by chassis damage.
- a method for monitoring a vehicle which has a vehicle body, a chassis connected to the vehicle body, and a monitoring unit that monitors the chassis for damage and, in the event of chassis damage being detected, generates a warning signal by means of a warning signal generator, is developed according to the invention in particular as a result that the warning signal generator has at least one drive, by means of which the warning signal is generated in the form of a, in particular tactile, mechanical vibration, preferably such that the warning signal and/or the vibration can be conveyed as a tactile stimulus, in particular to a driver of the vehicle is or is conveyed.
- a driver an operator of the vehicle is referred to as a driver.
- the warning signal can thus be conveyed to the driver of the vehicle, in particular as a tactile stimulus.
- a tactile stimulus it is usually more difficult for the driver to evade a tactile stimulus than, for example, a visual stimulus in the form of a pictogram.
- the warning signal is or will be conveyed or conveyed to the driver of the vehicle as a tactile stimulus.
- the warning signal and/or the mechanical vibration, in particular tactile vibration is or preferably forms a vibration alarm.
- the vehicle is in particular a motor vehicle, preferably a motor vehicle, for example a passenger car.
- a motor vehicle preferably a motor vehicle, for example a passenger car.
- Expressions such as “at least one” or “at least one” include in particular the meaning of “one” and/or “exactly one .
- the drive is in particular an electromechanical drive.
- the drive has at least one actuator and/or the drive is formed by at least one actuator, for example.
- the drive is or will be controllable or controlled, in particular by means of the monitoring unit, preferably in such a way that the warning signal can be generated or is generated.
- the warning signal is introduced into the chassis and/or into the vehicle body by means of the warning signal generator and/or by means of the drive, in particular directly or indirectly. Since the driver is usually in contact with the vehicle body, for example in a passenger compartment and/or on a driver's seat, the warning signal can thus be easily perceived by the driver. In particular, the driver is in contact with at least one part of the vehicle body. If the warning signal is introduced into the chassis, it is usually passed on to the vehicle body, preferably via bearings and/or links, in particular in a damped manner.
- the chassis has at least one active chassis component that forms the warning signal generator.
- the at least one active chassis component includes or forms, for example, an active damper and/or an active wheel suspension and/or an active rear axle steering and/or an active roll stabilization, which is in particular an electromechanical roll stabilization.
- the vehicle has at least one active system that forms the warning signal generator. It is thus possible, in particular, to use systems already present in the vehicle as a warning signal generator.
- the at least one active system includes or forms, for example, a steer-by-wire system and/or a brake-by-wire system and/or a throttle-by-wire system and/or a drive-by-wire -System.
- the vehicle preferably has at least one, in particular active, damper, which forms the warning signal generator and comprises at least one damper drive forming the drive, by means of which the length of the damper can be varied or is varied, for example, to generate the warning signal.
- the warning signal can or will be introduced, preferably by means of the damper and/or the damper drive, in particular directly or indirectly, preferably into the vehicle body and/or into the chassis.
- the damper is advantageously provided in the chassis and/or between the chassis and the vehicle body. For example, the damper forms a connection between the chassis and the vehicle body.
- the length of the damper can be varied, preferably by means of the damper drive. For example, this allows the distance between the chassis and the vehicle body to be varied. Is or will be preferred by means of the damper Drive the mechanical vibration in the form of changes in length of the damper can be generated or generated.
- the damper is preferably integrated into an active wheel suspension. In particular, the damper is part of an active wheel suspension.
- the vehicle has at least one, in particular active, roll stabilizer, which forms the warning signal generator and includes at least one stabilizer drive forming the drive, by means of which two ends of the roll stabilizer, for example, can be used to generate the warning signal also referred to as stabilizer ends, are rotatable and/or rotated relative to one another and/or against one another, in particular about a stabilizer axis preferably running in the transverse direction of the vehicle.
- the warning signal is or will be introduced, preferably by means of the roll stabilizer and/or the stabilizer drive, in particular directly or indirectly, preferably into the vehicle body and/or into the chassis.
- the roll stabilizer is advantageously provided in the chassis and/or between the chassis and the vehicle body.
- the roll stabilizer is connected between the vehicle wheels or wheel suspensions of a vehicle axle of the vehicle.
- each stabilizer end is connected to one of the vehicle wheels or wheel suspension or a vehicle axle of the vehicle.
- the roll stabilizer is mounted on the vehicle body between its stabilizer ends.
- the roll stabilizer extends along the or a stabilizer axis.
- the roll stabilizer is rod-shaped.
- the mechanical vibration in the form of rolling movements of the vehicle body is or can be generated by means of the stabilizer drive and/or the roll stabilizer.
- the roll stabilizer is preferably integrated into an active roll stabilization and/or into an active wheel suspension.
- the roll stabilizer is part of an active roll stabilization and/or an active wheel suspension.
- the vehicle has at least one, in particular active, rear-axle steering system, which forms the warning signal generator and comprises at least one rear-axle steering drive forming the drive, by means of which the warning signal is generated, preferably via a tie rod, for example the track and/or a toe angle of at least one vehicle wheel of a rear axle vehicle is adjustable or is being adjusted.
- the warning signal is or will be introduced or introduced, preferably by means of the rear axle steering and/or the rear axle steering drive, in particular directly or indirectly, preferably into the vehicle body and/or into the chassis.
- the rear axle steering is advantageously provided in the chassis and/or between the chassis and the vehicle body.
- the rear-axle steering is preferably integrated into an active wheel suspension. In particular, the rear axle steering is part of an active wheel suspension.
- the vehicle has a steering device equipped with a steering wheel, in particular an active steering device, which forms the warning signal generator and includes at least one steering wheel drive forming the drive, by means of which the warning signal is transmitted, in particular directly or indirectly, for example to the steering wheel is initiated or can be initiated.
- the steering wheel can be rotated about a steering wheel axis, preferably by means of the steering wheel drive.
- the mechanical vibration in the form of rotary movements of the steering wheel about the steering wheel axis can be generated or is generated by means of the steering wheel drive.
- the steering device is preferably an electronic steering device and/or is formed, for example, by a steer-by-wire system.
- the steering wheel drive includes at least one actuator, which is also referred to as a steering wheel actuator, for example.
- the vehicle has at least one, in particular active, foot pedal arrangement equipped with a foot pedal, which forms the at least one warning signal generator and comprises at least one foot pedal drive forming the drive, by means of which the warning signal is emitted, in particular directly or indirectly, for example is introduced or can be introduced into the pedal.
- the foot pedal can in particular be pivoted about a foot pedal pivot axis, preferably by means of the foot pedal drive.
- the mechanical vibration in the form of pivoting movements of the foot pedal about the foot pedal pivot axis can be or will be generated by means of the foot pedal drive.
- the pedal is or forms, for example, a brake pedal or an accelerator pedal.
- the foot pedal arrangement is preferably an electronic foot pedal arrangement and/or, for example, a brake-by-wire system or a throttle-by-wire system or a drive-by-wire system.
- a pedal actuator for example.
- the vehicle has a braking device equipped with at least one brake, in particular an active braking device, which forms the at least one warning signal generator and comprises at least one brake drive forming the drive, by means of which the at least one brake is actuated, for example depending on the warning signal or is operable.
- the mechanical vibration in the form of intermittent and/or periodic braking decelerations of the vehicle can be generated or is generated by means of the brake drive.
- the vehicle and/or the at least one vehicle wheel of the vehicle can be or will be decelerated and/or braked or decelerated and/or braked by means of the braking device.
- the braking device is preferably an electronic braking device and/or is formed, for example, by a brake-by-wire system.
- the brake drive comprises at least one actuator, which is referred to as a brake actuator, for example.
- the vehicle has a vehicle drive which forms the at least one warning signal generator and comprises at least one vehicle motor which forms the drive and which is controlled and/or accelerated or can be controlled and/or accelerated, for example, depending on the warning signal.
- the mechanical vibration in the form of intermittent and/or periodic accelerations of the vehicle is or can preferably be generated by means of the vehicle engine.
- the vehicle drive preferably has an electronic controller and/or is integrated, for example, in a throttle-by-wire system or in a drive-by-wire system.
- the warning signal is so strong that it can be perceived or is perceived by the driver as a tactile stimulus.
- the warning signal is preferably weak enough that it does not impair the driving behavior of the vehicle and/or the behavior of the at least one active chassis component and/or the behavior of the at least one active system and/or the driver.
- One or more sensors are preferably provided, by means of which the monitoring unit monitors the chassis, in particular for damage or damage.
- the sensor or sensors include, for example, one or more acceleration sensors and/or one or more acoustic sensors and/or one or more angular position sensors or rotor position sensors and/or one or more torque sensors and/or one or more inertial measuring units the at least one active chassis component of the chassis and/or at least one or the at least one active system of the vehicle the sensor or sensors or at least one or part of the sensors. Components already present in the vehicle can thus be used to monitor the chassis.
- the at least one active chassis component mentioned in connection with the sensor(s) includes or forms, for example, the active damper and/or the active wheel suspension and/or the active twin axle steering and/or the active roll stabilization Which is in particular the or an electromechanical roll stabilization.
- the at least one active system mentioned in connection with the sensor or sensors comprises or forms, for example, the or a steer-by-wire system and/or the or a brake-by-wire system and/or the or a throttle-by wire system and/or the or a drive-by-wire system.
- a characteristic vibration is generated in the chassis as a result of the chassis damage or damage. Vibrations occurring in the chassis are preferably detected and/or monitored by means of the monitoring unit, in particular for monitoring the chassis for damage or damage. The or a characteristic vibration is preferably detected and/or identified by the monitoring unit.
- the chassis damage or damage in the chassis is localized by means of the monitoring unit, for example by triangulation or by one, in particular another, locating method. It is thus possible, for example, to allocate the chassis damage to a specific chassis component. A location or triangulation can be carried out, for example, using a number of acceleration sensors and/or a number of acoustic sensors.
- the vibration or vibrations are preferably mechanical vibrations.
- different types of chassis damage produce different characteristic vibrations in the chassis.
- Different vibration patterns are preferably stored and/or stored in the monitoring unit for different chassis damage.
- the different vibration patterns characterize in particular different characteristic vibrations or the different characteristic vibrations. Vibrations occurring in the chassis or the vibrations occurring in the chassis are preferably compared with the vibration patterns to identify the chassis damage or damage by means of the monitoring unit.
- the vibration patterns are or are specified in particular.
- a characteristic vibration is generated in the chassis by the chassis damage or damage, which is detected and/or identified by the monitoring unit and/or assigned to one of the vibration patterns.
- a signal corresponding to the characteristic vibra tion is generated as a warning signal.
- the warning signal is used to amplify and/or forward the characteristic oscillation.
- the warning signal comprises, for example, a plurality of vibration pulses which follow one another in time and which are preferably interrupted and/or separated from one another by signal pauses, in which the warning signal in particular has no vibration pulse.
- the warning signal can be generated by the length of the vibration pulses and/or by the length of the signal pauses and/or by the duty ratio.
- the warning signal includes, for example, a permanent vibration pulse. The second alternative or option thus corresponds in particular to the first alternative or option with no signal pause or with a signal pause of zero.
- the frequency of the mechanical vibration can also be different for different warning signals.
- the mechanical vibration of the warning signal can be generated or is generated on the basis of a vibration pattern.
- different vibration patterns are or will be stored and/or stored in the monitoring unit for different types of chassis damage.
- one of the different vibration patterns is or will be assigned to each of the different vibration patterns, in particular in the monitoring unit.
- the mechanical vibration of the warning signal can be generated or is generated, particularly after the damage has been identified, on the basis of the vibration pattern assigned to the associated vibration pattern.
- the vibration patterns are or will be specified in particular.
- an acoustic and/or a visual warning message can be generated or is generated by means of the monitoring unit, in particular additionally. This means, for example, that additional warnings can be issued to the driver.
- the monitoring unit first generates an acoustic and/or visual warning message, which is followed by the warning signal with a time or delay.
- the optical warning message takes the form of a light signal and/or pictogram, for example.
- the acoustic warning message takes the form of an acoustic signal or tone, for example.
- the warning signal is activated by regulating and/or controlling at least one active chassis component of the chassis (such as active dampers and/or active wheel suspension and/or AKC and/or ERC) and/or at least one active system of the vehicle (such as steer-by-wire and/or brake-by-wire and/or throttle-by -wire) generated.
- a vibration characteristic of chassis damage can be superimposed and/or amplified on a normal chassis movement, preferably in order to warn the driver.
- the warning signal can be generated, for example, by, in particular, short gas and/or brake control pulses.
- a categorization of characteristic vibrations is preferably possible, for example using methods of artificial intelligence (AI), in order to generate different vibration patterns as a warning signal for different types of chassis damage Vibration pattern” stated:
- the vehicle and/or the monitoring unit has, in particular, an input device.
- chassis damage is the loss of a balance weight on a vehicle wheel.
- a steer-by-wire system as the active system, for example, there is no direct mechanical coupling of the steered vehicle wheels to the steering wheel.
- the chassis influences on the steering are displayed in particular by a steering wheel actuator, which, for example, only introduces forces and/or torques into the steering wheel in a limited, specified frequency range and thus only gives the driver limited information about the actual forces on the steering attacking forces and / or moments transmitted. If a balance weight is lost, this is noticeable as vibrations in the chassis, the frequency of which depends on the vehicle speed. Since this frequency can also be outside the specified frequency range, it makes sense for the monitoring unit to be able to detect vibrations outside of the specified frequency range in the chassis and/or at which Warning signal to be able to generate vibrations with frequencies outside the specified frequency range.
- active intervention in driving the vehicle can also take place, for example in order to delay degradation of the chassis damage-causing failure components by changing the speed and/or adjusting the center of gravity.
- FIG. 1 is a schematic view of a vehicle
- FIG. 2 shows a schematic view of an active damper of the vehicle according to a first embodiment
- FIG. 3 shows a schematic view of a steering device of the vehicle according to a second embodiment
- FIG. 4 shows a schematic view of a pedal arrangement of the vehicle according to a third embodiment
- FIG. 5 shows a schematic view of a roll stabilizer of the vehicle according to a fourth embodiment
- Fig. 6 is a schematic view of a rear axle steering of the vehicle according to egg ner fifth embodiment.
- 1 shows a schematic view of a vehicle 1 with a vehicle body 2 and a chassis 3 connected to it, which includes vehicle wheels 4 and wheel suspensions 5 by means of which the vehicle wheels 4 are connected to the vehicle body 2 .
- the chassis 3 comprises an active damper for each wheel suspension 5, the active dampers 6, 7, 8 and 9 being connected between the respective wheel suspension 5 and the vehicle body 2.
- a vehicle longitudinal direction x, a vehicle transverse direction y and a vehicle vertical direction z are also shown.
- the damper 6 includes a damper drive 10, by means of which the length L of the damper 6 can be varied. Fer ner a monitoring unit 11 is provided, which is approximately form according to a first Ausfer connected to the damper drive 10, which is controllable by means of the monitoring unit 11.
- Several sensors 12 are connected to the monitoring unit 11, which are arranged in the chassis 3 and/or in the vehicle body 2 and by means of which the monitoring unit 11 can detect vibrations occurring in the chassis 3.
- the sensors 12 are, for example, acoustic sensors or acceleration sensors.
- a characteristic vibration is generated in the chassis 3, which is detected and identified by the monitoring unit 11.
- different vibration patterns are stored in the monitoring unit 11 for different chassis damage, which compares the vibrations occurring in the chassis 3 with the vibration patterns to identify the chassis damage.
- the monitoring unit 11 controls the damper drive 10 in such a way that the damper 6 generates a warning signal S caused by periodically changing its length L in the form of a particularly tactile mechanical vibration and introduces it into the vehicle body 2 .
- the damper 6 thus forms a warning signal generator.
- 1 also shows a steering wheel 13 by means of which the vehicle wheels 4 of a front axle 14 of the vehicle 1 can be steered.
- the vehicle wheels 4 of the front axle 14 are also referred to as front wheels.
- the steering wheel 13 is part of an electronic steering device 15, which is shown in more detail in FIG.
- the or a monitoring unit 11 is provided, which according to a second embodiment is connected to the steering wheel drive 16 which can be controlled by the monitoring unit 11 .
- Several sensors 12 are connected to the monitoring unit 11, which are arranged in the chassis 3 and/or in the vehicle body 2 and by means of which the monitoring unit 11 can detect vibrations occurring in the chassis 3.
- a characteristic vibration is generated in the chassis 3, which is detected and identified by the monitoring unit 11.
- different vibration patterns are stored in the monitoring unit 11 for different chassis damage, which compares the vibrations occurring in the chassis 3 with the vibration patterns to identify the chassis damage.
- the monitoring unit 11 controls the steering wheel drive 16 in such a way that the steering wheel 13 is periodically rotated back and forth about the steering wheel axis 17 to generate a warning signal S in the form of a particularly tactile mechanical vibration.
- the steering device 15 thus forms a warning signal generator.
- FIG. 1 also shows a foot pedal arrangement 18 with a foot pedal 19, which forms a brake pedal or an accelerator pedal, for example.
- Fig. 4 shows a more detailed view of the foot pedal arrangement 18, which has a foot pedal drive 20, by means of which the foot pedal 19 can be pivoted about a foot pedal pivot axis 21.
- Fer ner the or a monitoring unit 11 is provided, which is connected according to a third embodiment with the pedal drive 20, which is controllable by means of the monitoring unit 11 About.
- Several sensors 12 are connected to the monitoring unit 11, which are located in the chassis 3 and/or in the vehicle body 2 are arranged and by means of which the monitoring unit 11 can detect occurring vibrations in the chassis 3.
- a characteristic vibration is generated in the chassis 3, which is detected and identified by the monitoring unit 11.
- different vibration patterns are stored in the monitoring unit 11 for different chassis damage, which compares the vibrations occurring in the chassis 3 with the vibration patterns to identify the chassis damage.
- the monitoring unit 11 controls the foot lever drive 20 in such a way that the foot lever 19 is periodically pivoted back and forth about the foot lever pivot axis 21 to generate a warning signal S in the form of a particularly tactile mechanical vibration.
- the pedal assembly 18 thus forms a warning signal generator.
- a rod-shaped roll stabilizer 22 can also be seen, which has a stabilizer drive 23 and is shown in more detail in FIG.
- the roll stabilizer 22 extends along a stabilizer axis 24, which runs in particular in the transverse direction y of the vehicle, with the ends 25 and 26 of the roll stabilizer 22 being connected to the wheels 4 and/or wheel suspensions 5 of the front axle 14.
- the ends 25 and 26 of the roll stabilizer 22 can be rotated relative to one another about the stabilizer axis 24 by means of the stabilizer drive 23 .
- the or a monitoring unit 11 is provided which, according to a fourth embodiment, is connected to the stabilizer drive 23 which can be controlled by means of the monitoring unit 11 .
- Several sensors 12 are connected to the monitoring unit 11, which are arranged in the chassis 3 and/or in the vehicle body 2 and by means of which the monitoring unit 11 can detect vibrations occurring in the chassis 3.
- the monitoring unit 11 controls the stabilizer drive 23 in such a way that the ends 24 and 25 of the roll stabilizer 22 are periodically rotated in relation to one another, resulting in a warning signal S in the form of a mechanical vibration, particularly a tactile one , which is introduced via the chassis 3 into the vehicle body 2.
- the roll stabilizer 22 thus forms a warning signal generator.
- each rear-axle steering 27 for each vehicle wheel 4 of a flinter axle 28 of the vehicle 1, with each rear-axle steering 27 having a rear-axle steering drive 29 and a tie rod 30, by means of which it is connected to the respective vehicle wheel 4.
- the vehicle wheels 4 of the rear axle 28 are also referred to as rear wheels.
- the rear axle steering 27 is shown in more detail in FIG.
- the toe or a toe angle of the rear wheel 4 can be adjusted via the tie rod 30 by means of the rear-axle steering drive 29 .
- the or a monitoring unit 11 is provided which, according to a fifth embodiment, is connected to the rear-axle steering drive 29 which can be controlled by the monitoring unit 11 .
- Several sensors 12 are connected to the monitoring unit 11, which are arranged in the chassis 3 and/or in the vehicle body 2 and by means of which the monitoring unit 11 can detect vibrations occurring in the chassis 3.
- a characteristic vibration is generated in the chassis 3, which is detected and identified by the monitoring unit 11.
- different vibration patterns are stored in the monitoring unit 11 for different chassis damage, which compares the vibrations occurring in the chassis 3 with the vibration patterns to identify the chassis damage.
- the monitoring unit 11 controls the rear axle steering drive 29 in such a way that the track or a toe angle of the rear wheel 4 is periodically adjusted, resulting in a warning signal S in the form of a particularly tactile mechanical vibration, which results , preferably via the chassis 3, is introduced into the vehicle body 2.
- the rear axle steering 27 thus forms a warning signal generator.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021202168.9A DE102021202168B3 (de) | 2021-03-05 | 2021-03-05 | Verfahren zum Überwachen eines Fahrzeugs |
| PCT/EP2021/084998 WO2022184303A1 (de) | 2021-03-05 | 2021-12-09 | Verfahren zum überwachen eines fahrzeugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4301613A1 true EP4301613A1 (de) | 2024-01-10 |
Family
ID=79270147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21839048.2A Withdrawn EP4301613A1 (de) | 2021-03-05 | 2021-12-09 | Verfahren zum überwachen eines fahrzeugs |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12545280B2 (de) |
| EP (1) | EP4301613A1 (de) |
| KR (1) | KR20230154018A (de) |
| CN (1) | CN116917150A (de) |
| DE (1) | DE102021202168B3 (de) |
| WO (1) | WO2022184303A1 (de) |
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| WO2022259227A1 (en) * | 2021-06-12 | 2022-12-15 | Sharma Brahmadev | Steering wheel haptics for situational awareness |
| DE102023127722B3 (de) | 2023-10-11 | 2024-09-26 | Vibracoustic Se | Fahrwerkssystem, Kraftfahrzeug sowie Verfahren zum Betrieb eines Fahrwerkssystems |
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| JP4062172B2 (ja) * | 2003-05-28 | 2008-03-19 | 日産自動車株式会社 | 車両用警報装置、及びこれを備えた車線逸脱防止装置 |
| DE102004036475B4 (de) | 2004-07-28 | 2007-08-09 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Verfahren und Vorrichtung zur Funktions- und Ausfallüberwachung von hydraulischen Dämpfern in Fahrzeugen, insbesondere von Schwingungsdämpfern in Schienenfahrzeugen |
| US8248270B2 (en) * | 2009-04-09 | 2012-08-21 | Verne Nieves | Tactile warning system for a vehicle |
| GB2509934B (en) * | 2013-01-17 | 2016-01-06 | Jaguar Land Rover Ltd | Control system and method |
| DE102013016040A1 (de) | 2013-09-26 | 2014-04-10 | Daimler Ag | Verfahren zur Meldung eines Lenksystemzustandes an einen Lenker eines Kraftfahrzeugs |
| CN104590100B (zh) * | 2014-12-31 | 2017-05-03 | 上海小糸车灯有限公司 | 一种用于汽车的故障警告信号显示方法 |
| DE102015204043A1 (de) * | 2015-03-06 | 2016-09-08 | Robert Bosch Gmbh | Verfahren zur Detektion von Reifen- oder Fahrwerksschäden |
| KR102484148B1 (ko) * | 2015-06-03 | 2023-01-03 | 클리어모션, 아이엔씨. | 차체 모션 및 승객 경험을 제어하기 위한 방법 및 시스템 |
| JP6511355B2 (ja) * | 2015-07-08 | 2019-05-15 | クラリオン株式会社 | 報知装置および報知方法 |
| US10290159B2 (en) * | 2016-02-11 | 2019-05-14 | Ford Global Technologies, Llc | Potential chassis damage identification, validation, and notification |
| US10055903B2 (en) * | 2016-06-09 | 2018-08-21 | GM Global Technology Operations LLC | Vehicle health check via noise and vibration level |
| US10266111B2 (en) * | 2017-05-24 | 2019-04-23 | Ford Global Technologies, Llc | Method of generating warnings using a vehicle motor |
| US20190108692A1 (en) * | 2017-10-09 | 2019-04-11 | GM Global Technology Operations LLC | Method and apparatus to isolate an on-vehicle fault |
| US10762785B1 (en) * | 2018-01-09 | 2020-09-01 | State Farm Mutual Automobile Insurance Company | Vehicle collision alert system and method |
| CN208325118U (zh) * | 2018-06-26 | 2019-01-04 | 江西江铃汽车集团旅居车有限公司 | 一种应用于商旅房车上的故障判定装置 |
| CN109204189B (zh) * | 2018-09-07 | 2023-10-03 | 阿波罗智能技术(北京)有限公司 | 自动驾驶系统、故障报警方法及装置 |
| DE102018215606A1 (de) * | 2018-09-13 | 2020-02-20 | Zf Friedrichshafen Ag | Verfahren zum Erzeugen von haptischen Feedbacksignalen in einem Kraftfahrzeug |
| DE102018217403A1 (de) * | 2018-10-11 | 2020-04-16 | Conti Temic Microelectronic Gmbh | Verfahren und Vorrichtung für ein zumindest teilweise autonom fahrendes Fahrzeug |
| DE102020000206A1 (de) | 2020-01-15 | 2020-10-01 | Daimler Ag | Verfahren und Vorrichtung zur Warnung eines Fahrers eines Fahrzeuges bei einer Geschwindigkeitsüberschreitung eines Fahrzeuges |
| JP7348851B2 (ja) * | 2020-01-23 | 2023-09-21 | ダイハツ工業株式会社 | 電動車両 |
| US20220212691A1 (en) * | 2021-01-05 | 2022-07-07 | Ford Global Technologies, Llc | Systems and methods for providing haptic feedback to drivers when aligning electrified vehicles to charging equipment |
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- 2021-12-09 US US18/548,958 patent/US12545280B2/en active Active
- 2021-12-09 EP EP21839048.2A patent/EP4301613A1/de not_active Withdrawn
- 2021-12-09 CN CN202180095028.6A patent/CN116917150A/zh active Pending
- 2021-12-09 KR KR1020237029834A patent/KR20230154018A/ko active Pending
- 2021-12-09 WO PCT/EP2021/084998 patent/WO2022184303A1/de not_active Ceased
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| Publication number | Publication date |
|---|---|
| DE102021202168B3 (de) | 2022-04-28 |
| US20240149905A1 (en) | 2024-05-09 |
| US12545280B2 (en) | 2026-02-10 |
| KR20230154018A (ko) | 2023-11-07 |
| CN116917150A (zh) | 2023-10-20 |
| WO2022184303A1 (de) | 2022-09-09 |
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