EP3469312A1 - Vorrichtung und verfahren zur bestimmung der relativen lage von zwei beweglich miteinander verbundenen gelenkteilen eines gelenks - Google Patents
Vorrichtung und verfahren zur bestimmung der relativen lage von zwei beweglich miteinander verbundenen gelenkteilen eines gelenksInfo
- Publication number
- EP3469312A1 EP3469312A1 EP17721697.5A EP17721697A EP3469312A1 EP 3469312 A1 EP3469312 A1 EP 3469312A1 EP 17721697 A EP17721697 A EP 17721697A EP 3469312 A1 EP3469312 A1 EP 3469312A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- magnetic field
- sensor
- joint
- sensor arrangements
- arrangements
- 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.)
- Ceased
Links
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/005—Ball joints
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0604—Construction of the male part
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
- F16C11/0623—Construction or details of the socket member
- F16C11/0628—Construction or details of the socket member with linings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/02—Bearings or suspensions for moving parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/24485—Error correction using other sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/051—Angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/17—Magnetic/Electromagnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/17—Magnetic/Electromagnetic
- B60G2401/172—Hall effect
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
Definitions
- the invention relates to a device for determining the relative position of two movably connected joint parts of a joint, with a magnet connected to a first of the joint parts and causing a local magnetic field, a plurality of sensor arrangements connected to a second of the joint parts and flooded by a resulting magnetic field is formed at least by the local magnetic field from which the sensor arrangements are flooded in different directions, wherein by means of each of the sensor arrangements, the resulting magnetic field at the location of the respective sensor arrangement detected and at least one of the resulting magnetic field at the location of the respective sensor arrangement characterizing sensor signal can be generated, and one with the sensor arrangements associated evaluation device, by means of which, under evaluation of the sensor signals at least one characterize the position of the first joint part relative to the second joint part nde position information is rashbar. Furthermore, the invention relates to a method for determining the relative position of two movably connected joint parts of a joint.
- Chassis components in particular ball joints, have inter alia the task of resiliently supporting the chassis of a vehicle on the vehicle wheels.
- the components of the chassis adapt to the road condition and the respective driving condition, so that the vehicle occupant is offered a high level of safety.
- An important role is played by joints and handlebars, which take on the task of suspension and enable steering.
- an external level sensor which detects the compression travel on the front axle and the rear axle of a vehicle to detect the state or the angular position of suspension components.
- a headlamp leveling can be realized.
- the angular position of a joint can be recorded by an electrical evaluation device and / or a sensor device.
- a height detection can be realized or by means of active suspension control, the damping of a vehicle can be adapted to the road conditions.
- an electrical receiving unit in a chassis component for example in a ball joint, it requires space for the associated electrical components and their cable management.
- a magnetic field sensor measures the angle, for example, between a ball stud and a housing of a ball joint, in that the magnetic field sensor installed in a closure lid of the housing evaluates the magnetic field of a magnet located in the ball stud.
- articulated joints installed in a chassis, are subject to the disturbing influence of electromagnetic fields. These are caused by electrical lines or consumers such as an electric motor, which are located near the sensor. If a magnetic field sensor (for example a Hall sensor) is used, this measures both the magnetic field of the magnet in the chassis link (for example in the ball joint or rubber mount) and the interference magnetic field applied from outside. The angle signal is thus corrupted.
- a magnetic field sensor for example a Hall sensor
- the invention has the object to be able to avoid the influence of magnetic field generating interference field sources on the formation of the position information.
- the device for determining the relative position of two moveably connected joint parts of a joint comprises one or at least one magnet connected to a first joint part or a first joint part and causing a local magnetic field, a plurality of magnets connected to a second joint part or a second one of the joint parts sensor arrays flooded by a resulting magnetic field formed by at least the local magnetic field from which the sensor arrays are different Are flooded directions, wherein by means of each of the sensor arrangements, the resulting magnetic field at the location of the respective sensor arrangement detected and one or at least one of the resulting magnetic field at the location of the respective sensor arrangement characterizing sensor signal can be generated, and connected to the sensor arrangements evaluation, by means of which under evaluation of Sensor signals one or at least one of the position of the first joint part relative to the second joint part characterizing position information is formed, wherein the resulting magnetic field is formed by an overlay of the local magnetic field with one or at least one disturbing magnetic field, of which the sensor arrangements in or approximately in the same direction are flooded, by means of each of the sensor arrangements, the
- the invention is based on the finding that the disturbance magnetic field is usually caused by a relatively distant Störfeld provoke, so that the sensor arrays are flooded in or approximately in the same direction of the disturbance magnetic field, whereas the local magnetic field of the relatively near magnet, the sensor arrays in the Usually flooded in different directions.
- the resulting magnetic field and / or the direction of the resulting magnetic field in different spatial directions and preferably at different locations, which are in particular close to each other, preferably by or subtraction of the sensor signals or these characterizing values, consider and / or eliminate and / or eliminate and / or at least reduce the influence of the disturbance magnetic field on the sensor arrangements and / or on the sensor signals in the formation of the position information.
- the sensor arrangements are always flooded by the resulting magnetic field.
- the statement that the sensor arrangements are or are flooded in different directions by the local magnetic field is therefore to be understood as meaning that the local magnetic field is considered by itself, ie without a disturbing magnetic field.
- the statement that the sensor arrangements are or are flooded in or in approximately the same direction by the interference magnetic field is preferably to be understood in such a way that the interference magnetic field is considered on its own, ie without a local magnetic field.
- the number of sensor arrangements is preferably two.
- one or at least a first of the sensor signals can be generated by means of a first of the sensor arrangements.
- one or at least a second of the sensor signals can be generated by means of a second of the sensor arrangements.
- the magnet is preferably a permanent magnet.
- a power supply for the magnet can be omitted.
- the magnet is e.g. designed as an electromagnet.
- the joint parts are in particular articulated and / or rotatable and / or pivotally connected to each other.
- the magnet is fixed and / or rigidly connected to the first joint part.
- the sensor arrangements are advantageously firmly and / or rigidly connected to the second joint part.
- the position information can be generated by means of the evaluation device in the form of one or at least one position signal.
- the signals i.
- the sensor signals and / or the position signal are preferably electrical signals.
- the directions are advantageously spatial directions and / or spatial directions.
- the position information is, in particular, information about one or at least one angle about which the first joint part is deflected and / or pivoted and / or rotated relative to the second joint part, preferably starting from a reference position, which is also referred to as a rest position or zero position.
- the position information is thus preferably also referred to as angle information.
- the position signal is preferably referred to as an angle signal.
- the relative position of the two joint parts relative to each other relates in particular to the or an angle and is preferably also referred to as deflection and / or pivoting and / or rotation of the two joint parts to each other, preferably with respect to or a reference position.
- the interference magnetic field is or is caused by one or at least one interference field source.
- the interference field source is e.g. by one or more electrical leads and / or by one or more electrical consumers, e.g. an electric motor, formed.
- the distance of the interference field source to the sensor arrangements is preferably greater or much greater than the distance of the magnet to the sensor arrangements.
- the distance of the interfering field source to the sensor arrays is several cm, e.g. 5cm, whereas the distance of the magnet to the sensor arrangements is a few mm, e.g. about 2.5mm.
- the two distances least differ by a factor of 10. This leads, in particular, to the fact that the interference magnetic field flows through the sensor arrangements in or in approximately the same direction.
- the sensor arrangements are preferably arranged next to one another and / or at a distance from one another.
- the sensor arrangements are advantageously arranged at different locations. This leads in particular to the fact that the local magnetic field flows through the sensor arrangements in different directions.
- the sensor arrangements are arranged in close spatial proximity to one another. This contributes in particular to the fact that the interference magnetic field flows through the sensor arrangements in or in approximately the same direction. Furthermore, this contributes in particular to the fact that both sensor arrangements can detect the local magnetic field equally well or approximately equally well.
- Each of the sensor arrangements preferably comprises a plurality of, preferably two or three, magnetic-field-sensitive sensor elements, such as Hall elements.
- the sensor elements of each sensor arrangement are assigned to different spatial directions and / or oriented in different spatial directions.
- the spatial directions are preferably aligned perpendicular to each other.
- the spatial directions are not parallel and / or not coplanar.
- Each of the sensor arrangements is e.g. in the form of a sensor module.
- Each sensor module in particular comprises a module housing in which the respective sensor arrangement is arranged.
- each module housing preferably comprises electrical contacts, via which the respective sensor signal can be tapped off and / or a power supply for the respective sensor arrangement can be connected.
- the sensor arrangements are e.g. united in a single sensor module, which in particular comprises a module housing in which the sensor arrangements are arranged.
- the module housing preferably comprises electrical contacts, via which the sensor signals can be tapped off and / or a power supply for the sensor arrangements can be connected.
- the sensor arrangements can be arranged even closer to each other. In particular, the influence of the disturbance magnetic field can be further reduced. Furthermore, a possibly required synchronization of the sensor arrangements can be omitted.
- the or each of the sensor arrangements and / or the or each sensor module comprise one or at least one temperature compensation unit and / or one or at least one analog-to-digital converter and / or one or more other electrical components.
- signal conditioning is already possible in the or each of the sensor arrangements and / or in the or each sensor module.
- the resulting magnetic field and / or its direction can be detected at the location of the respective sensor arrangement in at least two, preferably in three different directions or spatial directions, which in particular do not lie in the same plane.
- Such sensor arrangements are known from the prior art and are referred to, for example, as 3D magnetic sensors.
- the one from Infineon Technologies AG offered sensor module with the name TLV493D-A1 B6 such a 3D magnetic sensor.
- the three different directions or spatial directions are in particular perpendicular to each other.
- the evaluation device comprises a correction unit.
- the correction unit preferably comprises or is formed by a digital computer or microcontroller.
- the correction unit preferably comprises a storage unit.
- the correction unit comprises e.g. an analog computer or is formed by this.
- the evaluation device and / or the correction unit comprises a computing unit and / or the or a memory unit.
- the sensor signals can be evaluated by means of the evaluation device and / or the arithmetic unit and / or the position information can be formed.
- the influence of the disturbance magnetic field on the sensor arrangements and / or on the sensor signals in the formation of the position information can be considered and / or eliminated and / or eliminated and / or at least reduced by means of the arithmetic unit, in particular by or by differentiating the sensor signals or these characterizing values .
- the evaluation device and / or the arithmetic unit preferably comprises or is formed by the or a digital computer or microcontroller.
- the evaluation device and / or the arithmetic unit comprises, for example, the or an analog computer or is formed by this.
- the correction unit comprises the arithmetic unit and / or the correction unit is e.g. formed by the arithmetic unit.
- a map is stored. Values which characterize the sensor signals at predetermined positions of the first articulated part relative to the second articulated part, preferably without interference magnetic field, are preferably in the characteristic field. assigned, which characterize these layers.
- the map preferably comprises a plurality of map-position vectors, which characterize different predetermined positions of the first joint part relative to the second joint part. These predetermined positions are also referred to as map maps in particular.
- the characteristic map position vectors in particular as a function of the degrees of freedom of the joint and / or as a function of and / or in accordance with the spatial directions to be considered for the description of the layers or characteristic map layers, have one, at least one or more characteristic map position values Components on. If the characteristic map position vectors each have only one characteristic map position value as a component, the map position vectors are preferably replaced by the map position values. In this case, the structure of the map simplifies.
- the map comprises a plurality of map sensor signal vectors, which characterize the sensor signals at the different map layers.
- the map sensor signal vectors have, in particular as a function of and / or in accordance with the spatial directions to be considered by means of the sensor arrangements, two, at least two, three or more characteristic field sensor signal values as components.
- the map sensor signal vectors are preferably assigned to the sensor arrangements.
- each map sensor signal vector is assigned to one or exactly one of the sensor arrangements.
- the characteristic map sensor signal vectors are preferably assigned to the characteristic map position vectors or characteristic map position values in the characteristic field.
- each characteristic map sensor signal vector is assigned to one or exactly one characteristic map position vector or characteristic map position value in the characteristic map.
- each characteristic map position vector or map position value two, at least two, three or more of the characteristic field sensor signal vectors are assigned.
- map sensor signal vectors which are assigned to the same map position are in particular combined to form a map sensor signal vector tuple.
- the number of characteristic field sensor signal vectors associated with the same characteristic map position corresponds in particular to the number of sensor arrangements whose preferred number is equal to two.
- the characteristic field sensor signal vector tuple forms a characteristic field sensor signal vector pair.
- the map sensor signal vectors of the map sensor signal vector pairs or tuples are assigned to the sensor arrangements.
- each map sensor signal vector of each map sensor signal vector pair or tuple is associated with one or just one of the sensor arrays.
- the map sensor signal vectors of each map sensor signal vector pair or tuple are associated with different ones of the sensor arrangements.
- the map sensor signal vector pairs or tuples are associated with the map layers.
- each map sensor signal vector pair or tuple is assigned to one or exactly one map location.
- each map location is assigned to one or exactly one map sensor signal vector pair or tuple.
- the map is or is detected in particular by measuring and / or detection of the local magnetic field by means of the sensor arrangements in each of the different map layers.
- the map is preferably predetermined and / or is preferably determined in advance.
- the characteristic map is or is detected and / or formed exclusively on the basis of the local magnetic field and / or without the influence of or a disturbing magnetic field.
- the map is thus preferably free of interference magnetic field.
- the earth's magnetic field is not considered to be a disturbing magnetic field and thus may be superimposed on the local magnetic field, since the earth's magnetic field is preferably much weaker than the local magnetic field and thus the measurement is only slightly, i.e. within tolerable limits.
- the influence of the disturbance magnetic field on the sensor arrangements and / or on the sensor signals in the formation of the position information by or by reference and / or Access to the map and / or by taking account of the map and considered and / orNorechenbar and / or eliminated and / or at least reduced.
- the sensor signals generated by means of the sensor arrangements in the presence of or a fault magnetic field are referred to in particular as actual sensor signals and preferably each comprise a plurality of actual sensor values.
- each of the actual Sensor signals associated with a plurality of the actual sensor values in particular in dependence on and / or in accordance with the spatial directions to be considered by means of the sensor arrangements.
- Those actual sensor values that are assigned to one or exactly one actual sensor signal in particular, form an actual sensor signal vector.
- a plurality of actual sensor signal vectors are formed or formed, the number of which corresponds in particular to the number of sensor arrangements. In the following it is assumed that the number of sensor arrangements is equal to two. With each detection of the resulting magnetic field by means of the sensor arrangements, two actual sensor signal vectors are or are thus preferably formed or can be formed, which are or are combined in particular to form an actual sensor signal vector pair.
- an actual sensor signal difference vector is preferably formed.
- the or each actual sensor signal difference vector is thus preferably free of the influence of the disturbance magnetic field.
- the map sensor signal difference vectors can already be stored in the map or can only be formed during ongoing operation and / or during the calculation.
- a matching characteristic map sensor signal difference vector is sought, which coincides with the actual sensor signal difference vector or is close to or closest thereto.
- plausibility checks can be carried out. If this matching characteristic field sensor signal difference vector is found, then the characteristic map position vector or map position value which forms the characteristic field sensor signal vector pair in the characteristic field forms is assigned from the map sensor signal vectors of the appropriate map sensor signal difference vector was formed, in particular information about the current position of the first joint part relative to the second joint part and thus the or a position information.
- the position information can be corrected as a function of the deviation of the actual sensor signal difference vector to the matching characteristic field sensor signal difference vector.
- the evaluation device is preferably provided outside the joint and / or at a distance from the joint.
- the evaluation device is e.g. provided on or in the joint and / or integrated into the joint.
- the joint is or is preferably a ball joint, a ball and socket joint or an elastomer or rubber mount.
- the joint is preferably provided for a vehicle and / or installed in a vehicle.
- the joint is provided for a chassis and / or a suspension of the vehicle and / or incorporated in a chassis and / or a suspension of the vehicle.
- the vehicle is preferably a land vehicle, in particular a motor vehicle.
- the first joint part forms a ball pin having a joint ball, on or in the joint ball of the magnet is arranged.
- the second joint part preferably forms a joint housing, wherein the ball pin with its joint ball is movable, preferably rotatable and / or pivotable, mounted in the joint housing and extending through a pin opening provided in this out of the joint housing.
- the joint thus forms in particular a ball joint.
- the sensor arrangements are arranged on a housing cover of the joint housing which in particular closes a mounting opening of the joint housing opposite the journal opening.
- the first hinge part forms a ball sleeve with a spherical bearing surface, wherein the magnet is arranged on or in the ball sleeve, and wherein the second hinge part forms a joint housing, in which the ball sleeve is movably mounted with its ball-like bearing surface and at least an opening provided in this opening extends out of the joint housing.
- the joint thus forms in particular a so-called ball sleeve joint.
- one of the hinge parts forms an inner part and the other of the hinge parts an outer sleeve surrounding the inner part, wherein between the inner part and the outer sleeve, an elastomer body is arranged, which surrounds the inner part, in particular at least partially.
- the inner part forms e.g. a sleeve or inner sleeve.
- the inner part is preferably connected to the outer sleeve by or via the elastomer body.
- the inner part and the outer sleeve preferably extend in an axial direction.
- the outer sleeve is rotatable relative to the inner part about an axis of rotation extending in the axial direction, in particular under elastic deformation of the elastomer body.
- the joint preferably forms an elastomeric bearing or rubber bearing.
- the first hinge part is connected to one or a first machine part.
- This machine part is in particular a vehicle component, for example a vehicle body, a subframe, a subframe or a chassis component, such as e.g. a suspension handlebar, a tie rod, a roll stabilizer or a wheel carrier.
- the suspension link is for example a trailing arm or a control arm.
- the second hinge part is connected to one, another or a second machine part.
- This machine part is in particular a vehicle component, for example a vehicle body, a subframe, a subframe or a chassis component, such as a suspension arm, a tie rod, a roll stabilizer or a wheel carrier.
- the suspension link is for example a trailing arm or a control arm.
- the first joint part is preferably made of plastic or of metal, for example of aluminum, magnesium or an iron material, such as steel.
- the second joint part is preferably made of plastic or of metal, for example of aluminum, magnesium or an iron material, such as steel.
- the invention further relates to a method for determining the relative position of two hingedly connected joint parts of a joint, wherein with a first joint part or a first of the joint parts one or at least one magnet is connected, which causes a local magnetic field, with a second joint part or a second of the joint parts are connected to a plurality of sensor arrays flooded by a resulting magnetic field, which is formed by at least the local magnetic field from which the sensor arrays are flooded in different directions, wherein detected by means of each of the sensor arrays the resulting magnetic field at the location of the respective sensor array and at least one resulting magnetic field is generated at the location of the respective sensor arrangement characterizing sensor signal, under evaluation of the sensor signals one or at least one characterizing the position of the first joint part relative to the second joint part
- the resulting magnetic field is formed by a superposition of the local magnetic field with one or at least one perturbing magnetic field from which the sensor arrays are flooded in or approximately in the same direction, by means of each of the sensor arrays the resulting magnetic field and
- the method can be developed in accordance with all embodiments explained in connection with the device. Furthermore, the device can be developed in accordance with all the embodiments explained in connection with the method. The method is preferably carried out by means of the device. In particular, the device is used for carrying out the method.
- the number of sensor arrangements is preferably two.
- one or at least a first of the sensor signals is generated by means of a first of the sensor arrangements.
- one or at least a second of the sensor signals is generated by means of a second of the sensor arrangements.
- the position information in particular by means of the or an evaluation device, is preferably generated in the form of one or at least one position signal.
- the interference magnetic field is caused by the or one or at least one interference field source.
- the distance of the interference field source to the sensor arrangements is preferably greater or much greater than the distance of the magnet to the sensor arrangements.
- the resulting magnetic field and / or its direction at the location of the respective sensor arrangement is detected in at least two, preferably in three different directions or spatial directions by means of each of the sensor arrangements, which in particular do not lie in the same plane.
- the three different directions or spatial directions are in particular perpendicular to each other.
- the or a map is or will be deposited.
- the influence of the disturbing magnetic field on the sensor arrangements and / or on the sensor signals in the formation of the position information by or with reference to and / or access to, is preferably, in particular by means of the evaluation device, preferably by or by differentiation of the sensor signals or these characterizing values Map and / or by or taking into account the map, taken into account and / or eliminated and / or eliminated and / or at least reduced.
- two sensor arrangements arranged close to one another are used for the measurement. These are particularly covered by the local Chen magnetic field of the first joint part (eg ball pin) provided magnet and flooded by the pending from the outside interference magnetic field.
- the interference field source of the interference magnetic field preferably has a significantly greater distance to the sensor arrangements than the magnet located on the first joint part (reference object).
- the sensor arrangements are preferably designed as 3D magnetic sensors, so that by means of each of the sensor arrangements, the magnetic field direction of the resulting magnetic field at the location of the respective sensor arrangement in particular in the x, y and z direction of a preferably Cartesian coordinate system can be determined.
- a determination of two spatial directions is sufficient if it is possible to measure in the XY direction or in the YZ direction. Due to the greater distance of the interference magnetic field to the sensor arrays they are flooded by the disturbance magnetic field, in particular in the almost identical direction. In other words, the magnetic field lines of the local magnetic field preferably pass through the sensor arrays at a different angle. In particular, mathematical calculations are used to calculate the influence of the disturbance magnetic field on the magnetic field sensors.
- FIG. 1 is a schematic and partially sectioned view of a device according to an embodiment
- FIG. 2 is a perspective view of a ball joint shown in FIG. 1;
- FIG. 2 is a perspective view of a ball joint shown in FIG. 1;
- FIG. 4 is a schematic representation of an apparent from Fig. 1 and arranged in the ball joint magnet
- FIG. 5 shows a schematic representation of sensor arrangements shown in FIG. 1, together with the magnet and an interference field source
- FIG. 6 shows a schematic representation of the sensor arrangements with the interference field source
- FIG. 7 is a schematic plan view of a sensor module comprising the sensor module and
- Fig. 8 is a schematic representation of a map.
- a ball joint 1 has a joint housing 2 and a ball joint 4 comprising a ball joint 4, which forms a first joint part and with its joint ball 3 with the interposition of a bearing shell.
- 5 is rotatably and pivotally mounted in the joint housing 2 and extends through a provided in this pin opening 6 passes out of the joint housing 2, which forms a second hinge part.
- the joint housing 2 is provided with a mounting opening 7, which is closed by a housing cover (closure cap) 8.
- a magnet 9 which is formed according to the embodiment as a permanent magnet.
- a sensor device 10 is provided on the housing cover 8, which comprises two sensor arrangements 11 and 12, which are arranged opposite the magnet 9.
- the sensor device 10 and / or the sensor arrangements 11 and 12 are electrically connected to an evaluation device 13 which has a digital computer or microcontroller 14 and a memory unit 26.
- the evaluation device 13 is provided outside of the joint 1.
- the evaluation device 13 is e.g. arranged in or on the joint 1 and / or integrated into this.
- the ball stud 4 can be pivoted about its center 15 relative to the joint housing 2, which is indicated by the double arrow 16.
- the joint housing 2 is associated with a housing longitudinal axis 17 which extends in particular through the center 15 of the joint ball 3.
- the ball pin 4 is associated with a pin longitudinal axis 18 which extends in particular through the center 15 of the ball joint 3. In the position of the ball stud 4 shown in Figure 1, the two fall Longitudinal axes 17 and 18 together, so that the ball stud 4 is in a reference position or zero position.
- the angle ⁇ can be determined by detecting a local magnetic field 19 caused by the magnet 9 (see FIGS. 4 and 5), which flows through the sensor arrangements 11 and 12, by means of the sensor arrangements 11 and 12 and sensor signals S1 and S2 generated by them the evaluation device 13 are evaluated.
- the sensor arrangement 11 first sensor arrangement
- the sensor arrangement 11 generates the sensor signal S1 (first sensor signal)
- the sensor arrangement 12 second sensor arrangement
- the information about the angle ⁇ formed by the evaluation device 13 can also be referred to as position information 25, which is indicated only schematically in FIG. 1 and is generated by the evaluation device 13 in the form of a position signal S3 which can be output by the evaluation device 13.
- an interference field source 20 which causes a disturbance magnetic field 21 (see FIGS. 5 and 6), which also flows through the sensor arrangements 11 and 12.
- the interference magnetic field 21 and the local magnetic field 19 are thus superimposed at the location of the sensor arrangements 11 and 12 in a resulting magnetic field, which can lead to a distortion of the position signal S3.
- the disturbance magnetic field 21 flows through the sensor arrangements 11 and 12 in or in approximately the same direction, which can be seen in FIG the local magnetic field 19 flows through the sensor arrangements 11 and 12 in different directions, which can be seen in FIG. 5.
- the sensor arrangements 11 and 12 are each designed as SD magnetic sensors, by means of which the resulting magnetic field and / or its direction at the location of the respective sensor arrangement in three different spatial directions x, y and z can be detected, which are not in the same plane.
- a coordinate system with the spatial directions x, y and z is shown in FIG. 1, each of the sensor arrangements 11 and 12 is preferably a separate coordinate system. associated with tem, whose origin is at the location of the respective sensor array.
- the sensor signal S1 thus has three signal components, which are denoted by S1x, S1y and S1z on the basis of the spatial directions.
- the second sensor signal S2 has three signal components, which are denoted by S2x, S2y and S2z on the basis of the spatial directions.
- the signal components are indicated only schematically in FIG. 1.
- the influence of the interference magnetic field 21 on the sensor signals S1 and S2 can be eliminated by means of the evaluation device 13 in the formation of the position information 25 and / or the position signal S3 , which will be explained below with reference to FIG. 8.
- FIG. 4 shows a schematic detail of the magnet 9 and the magnetic field 19 caused by it.
- FIG. 5 shows schematically the sensor arrangements 11 and 12, the magnet 9, the magnetic field 19 caused thereby, the interference field source 20 as well as the interference magnetic field 21 caused thereby.
- FIG. 6 shows diagrammatically the sensor arrangements 11 and 12, the interference field source 20 as well as a part of the interference magnetic field 21 produced therefrom.
- a sensor module 22 can be seen, which comprises a module housing 23, in which the sensor assemblies 11 and 12 are arranged. On the module housing 23 electrical contacts 24 are provided, via which the sensor signals S1 and S2 can be tapped off and a power supply can be connected. Alternatively, the sensor assemblies 11 and 12 may each be provided in a separate sensor module.
- the sensor device 10 comprises, in particular, the sensor module 22 or the separate sensor modules.
- a characteristic diagram 27 can be seen in a schematic representation, which is stored in the memory unit 26.
- the map 27 includes a plurality of map position vectors Lki (Lk1, Lk2, Lk3, ... Lkn), which characterize different predetermined positions of the ball stud 4 relative to the joint housing 2.
- Each characteristic map position vector Lki preferably comprises two characteristic map position values as components.
- two characteristic map position values per map position vector Lki are sufficient in this case, since the position of the ball stud 4 relative to the joint housing 2 in a spherical coordinate system can be described by two angles when the center 15 of the joint ball 3 relative to the joint housing 2 is considered stationary.
- the components of the characteristic map position vector Lki thus preferably comprise two angles, one of which may be, for example, the angle ⁇ shown in FIG. 1.
- the characteristic map position vectors Lki to each include three characteristic map position values as components or only one characteristic map position value as component.
- the map 27 includes a plurality of map sensor signal vectors S1ki and S2ki (S1k1, S2k1, S1k2, S2k2, S1 k3, S2k3, ... S1 kn, S2kn), which characterize the sensor signals S1 and S2 at the different map layers i.
- the map sensor signal vectors S1ki characterize the sensor signal S1 and the map sensor signal vectors S2ki the sensor signal S2.
- Each map sensor signal vector comprises in particular three map sensor signal values as components, specifically a map sensor signal value per spatial direction x, y, z.
- characteristic map sensor signal vectors S1 ki, S2ki which are assigned to the same map position i are combined to form a map sensor signal vector pair Pki (S1ki, S2ki).
- Each characteristic map position vector Lki is assigned exactly one characteristic map sensor signal vector pair Pki.
- the characteristic map 27 was detected by prior measurement of the local magnetic field 19 by means of the sensor arrangements 11 and 12 at the different characteristic map positions i, without the influence of the disturbance magnetic field 21.
- map sensor signal difference vectors S1 ki, S2ki of each map sensor signal vector pair Pki map sensor signal difference vectors S1 ki - S2ki formed.
- a matching characteristic map sensor signal difference vector S1kj-S2kj is searched among the characteristic map sensor signal difference vectors S1ki-S2ki, which coincides with or is close to or closest to the actual sensor signal difference vector S1-S2.
- the subscript j identifies that characteristic map position i, to which the characteristic field sensor signal vector pair is assigned, from whose characteristic field sensor signal vectors the suitable characteristic diagram sensor signal difference vector has been formed.
- the characteristic map position vector Lkj which is assigned to the characteristic field sensor signal vector pair Pkj in the characteristic map 27, from whose characteristic field sensor signal vectors S1 kj, S2kj the matching characteristic field sensor signal Difference vector S1kj - S2kj was formed, an information about the current position of the ball stud 4 relative to the joint housing 2 and thus the position information 25.
- This position information 25 is not affected or distorted by the interference magnetic field 21 in particular.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
Claims
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DE102016210406.3A DE102016210406A1 (de) | 2016-06-13 | 2016-06-13 | Vorrichtung und Verfahren zur Bestimmung der relativen Lage von zwei beweglich miteinander verbundenen Gelenkteilen eines Gelenks |
PCT/EP2017/060852 WO2017215838A1 (de) | 2016-06-13 | 2017-05-08 | Vorrichtung und verfahren zur bestimmung der relativen lage von zwei beweglich miteinander verbundenen gelenkteilen eines gelenks |
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DE102017211396A1 (de) | 2017-07-04 | 2019-01-10 | Zf Friedrichshafen Ag | Anordnung einer Winkelmesseinrichtung |
DE102019204658A1 (de) | 2019-04-02 | 2020-10-08 | Zf Friedrichshafen Ag | Verschlusselement für ein Kugelgelenk und Kugelgelenk mit einem solchen Verschlusselement |
DE102019109197A1 (de) * | 2019-04-08 | 2020-10-08 | Endress+Hauser Conducta Gmbh+Co. Kg | Verfahren zur Korrektur von Messdaten eines Analysensensors sowie Analysensensor mit Korrektur von Messdaten |
DE102019216371A1 (de) * | 2019-10-24 | 2021-04-29 | Zf Friedrichshafen Ag | Fahrwerkbauteil mit einer Messeinrichtung sowie Verfahren zum Herstellen eines solchen Fahrwerkbauteils |
DE102021204440B3 (de) * | 2021-05-03 | 2022-09-29 | Zf Friedrichshafen Ag | Fahrwerkbauteil für ein Fahrwerk eines Fahrzeugs und mit einer Strukturkomponente |
Citations (2)
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DE102004056800A1 (de) * | 2004-11-24 | 2006-06-01 | Zf Friedrichshafen Ag | Schaltvorrichtung für ein Kraftfahrzeug |
DE102005028501A1 (de) * | 2005-06-17 | 2007-01-04 | Zf Friedrichshafen Ag | Radaufhängung für ein Fahrzeug |
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DE102012204634A1 (de) * | 2012-03-22 | 2013-09-26 | Zf Friedrichshafen Ag | Magnetfeldsensor, Betätigungsvorrichtung und Verfahren zur Bestimmung einer Relativposition |
-
2016
- 2016-06-13 DE DE102016210406.3A patent/DE102016210406A1/de not_active Ceased
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2017
- 2017-05-08 WO PCT/EP2017/060852 patent/WO2017215838A1/de unknown
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DE102004056800A1 (de) * | 2004-11-24 | 2006-06-01 | Zf Friedrichshafen Ag | Schaltvorrichtung für ein Kraftfahrzeug |
DE102005028501A1 (de) * | 2005-06-17 | 2007-01-04 | Zf Friedrichshafen Ag | Radaufhängung für ein Fahrzeug |
Non-Patent Citations (2)
Title |
---|
ANONYMOUS: "Lookup table - Wikipedia, the free encyclopedia", 23 March 2016 (2016-03-23), pages 1 - 7, XP055889099, Retrieved from the Internet <URL:https://web.archive.org/web/20160323200033/https://en.wikipedia.org/wiki/Lookup_table> [retrieved on 20220208] * |
See also references of WO2017215838A1 * |
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