CN107150674A - The control device and operation method of the actuator unit of the dynamo-electric brake of motor vehicle - Google Patents

The control device and operation method of the actuator unit of the dynamo-electric brake of motor vehicle Download PDF

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Publication number
CN107150674A
CN107150674A CN201710123874.XA CN201710123874A CN107150674A CN 107150674 A CN107150674 A CN 107150674A CN 201710123874 A CN201710123874 A CN 201710123874A CN 107150674 A CN107150674 A CN 107150674A
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China
Prior art keywords
actuator
model
actuator unit
control device
according
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CN201710123874.XA
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Chinese (zh)
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CN107150674B (en
Inventor
H.阿拉格茨
U.布塞
C.普罗策
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大众汽车有限公司
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Priority to DE102016203475.8 priority Critical
Priority to DE102016203475.8A priority patent/DE102016203475A1/en
Application filed by 大众汽车有限公司 filed Critical 大众汽车有限公司
Publication of CN107150674A publication Critical patent/CN107150674A/en
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Publication of CN107150674B publication Critical patent/CN107150674B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/746Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/741Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18Safety devices; Monitoring
    • B60T17/22Devices for monitoring or checking brake systems; Signal devices

Abstract

The present invention relates to the control device of the actuator unit of the dynamo-electric brake of motor vehicle and operation method, in particular to a kind of method for being used to run the control device of the actuator unit of the motor vehicle brake of electromechanics, wherein in order to clamp and/or in order to release brake respectively by control device it is electric run actuator unit and while detect at least one measured value of at least one electric variable and depend at least one measured value to know the current location status of actuator unit according to characteristic curve.The present invention is provided, in order to recognize that the actuator model of actuator unit provides at least one specification of a model and each specification of a model is associated with least one actuator characteristic value and runs actuator unit by control device in test run process and detect at least one measured value, and select such specification of a model, i.e. its at least one associated actuator characteristic value to meet the consistent standard of the measured value at least one detection from least one specification of a model.

Description

The control device and operation method of the actuator unit of the dynamo-electric brake of motor vehicle

Technical field

The present invention relates to a kind of control device for being used to run the actuator unit of the electromechanical brake for motor vehicle Method.Actuator unit can have such as motor, transmission mechanism and conversion equipment, by means of the braking of its brake Liner can be moved translationally.Brake being capable of especially parking brake (Parkbremse, sometimes referred to as EPB). Control device for performing methods described falls within the present invention.The last present invention also includes filling with the control according to the present invention The motor vehicle put.

Background technology

Parking brake actuator now is run by control device, and the control device can for example be integrated in brake control In control equipment.Each parking brake actuator can be integrated in wheel braking clamp.The control device and actuator of brake Unit must be coordinated with each other, therefore the replacement of actuator unit is often necessary to debugging once again.

Become known for the control device of the parking brake of electricity, the control from the A1 of file DE 10 2,014 222 863 Device knows the current setting shape of parking brake on the basis of the current characteristic line of the actuator unit of parking brake State (i.e. the current position of such as brake lining and/or throw-on pressure).That is the actuator list in given service voltage The mechanical resistance that the current drain of the motor of member must pull against dependent on the structure type and motor of actuator unit Power.

It is interested herein, the different actuator unit of future usage, immediately these different actuator unit designs Aspect is different, i.e., for example for example on the one hand have screw rod (Spindel) with different conversion equipments and on the one hand have There is ball-screw-transmission (Kugelgewindetrieb).But this must be in control device, it is known that with order to according to rush The characteristic curve of dynamic device unit detects the current setting state of actuator unit.So must be with rush to this corresponding control device Dynamic device unit is installed together.

The content of the invention

The task of the present invention is, it is ensured that correctly manipulate actuator unit by control device.

This task is solved by the target of independent claims.The scheme that is advantageously improved of the present invention will by appurtenance Feature, following description and the figure asked are open.

By the way that the invention provides a kind of control for being used to run the actuator unit of the electromechanical brake for motor vehicle The method of device processed.Actuator unit can have motor and the conversion equipment with such as transmission mechanism and/or description, Move the brake lining of brake in order to produce the motion of translation from the rotary motion of motor.In order to clamp And/or in order to which release brake runs actuator unit by the way that control device is electric in operation process respectively.That is should Actuator unit is supplied with electrical power.Can be for example by means of H electrical bridge (H-Br ü cke) using from motor-driven to this control device The service voltage of the electric onboard power system of car loads the electric connection circuit for motor.In the operation process of actuator unit Period detects at least one measured value of at least one electric variable, the supply for example flowing in the motor of actuator unit Electric current.The current setting of actuator unit is known according to the characteristic curve of actuator unit dependent at least one described measured value State.That is itself known distinctive stage, i.e. startup stage, sky of operation process are particularly depict by characteristic curve Load stage, liner recline point (in closure) or liner release stage (when unclamping), clamping force formed And the disconnected phase (Spannkraftaufbau).Being described by characteristic curve at least one electric variable is herein produced respectively Distinctive trend and/or numerical value.At least one described measured value thus provides the information on current setting state.

In order to ensure now, setting device runs actuator unit using correct setup parameter, that is to say, that for example make With correct characteristic curve and/or less tightly drawing brake (die Bremse nicht zu fest zieht, sometimes claim Less tightly to brake) and transmission mechanism is not damaged for example, it is arranged according to the present invention into control device identification is in fact assembled (verbauen) or it is mounted with which actuator model.In order to recognize that the actuator model of actuator unit provides at least one Specification of a model (Modellangabe, occasionally referred to as model information), that is to say, that define possible recognizable actuator Model, and it is associated with least one actuator characteristic value for each specification of a model.In at least one test run process At least one measured value is detected by way of control device operation actuator unit and with description.From the perspective of from least one model Then at least one associated actuator characteristic value of selection one such specification of a model, the i.e. specification of a model is met in bright Consistent standard (ü bereinstimmungskriterium) on the pre-determining of the measured value of at least one detection.In other words Say and compared at least one measured value with least one actuator characteristic value of specification of a model.If at least one described measured value It is approximate in the implication of consistent standard with least one described actuator characteristic value, then the specification of a model belonging to selection. Selected specification of a model is then corresponding to known actuator model.In other words for each actuator model with least one The form of actuator characteristic value describes at least one distinctive operating point and by control device inspection, in test run process In the operating point of matching in the implication of consistent standard whether is appeared in the actuator unit of installation.If this is such Situation, corresponding specification of a model is provided as known actuator model.

Such advantage is produced by the present invention, i.e., knows which is actuated by test run process in control device Device model is in fact installed in a motor vehicle as actuator unit.Then can be certainly on the basis of known actuator model Such as make decision dynamicly, whether control device can according to the rules manipulate or electric run known actuator model.

Above-mentioned operation process (such as test run process) is provided with the opening or closure of brake.It can set herein From the resting position of brake lining to the parking spot (Feststellposition, sometimes referred to as parking at brake disc Put) or return to from parking spot the complete motion of resting position.Operation process also can only include one of the motion Point.

Optional improvement project belongs to the present invention, and additional advantage is generated by the feature of the optional improvement project.

Actuator unit experience is from stage of the startup stage until the description of disconnected phase in test run process It is one or more or all.Therefore, it is possible to know corresponding measured value from one or more of the stage.In order to reliably Identification actuator model especially following actuator characteristic value had confirmed to be suitable, in actuator characteristic value below extremely Few one is provided for recognizing actuator model:Starting current, no-load current (brake lining also not in contact with), in take-off the brake Electric current, turn-off current, the motor of actuator unit in stopping or disconnection are unclamped on the direction of device or opening brake Mutual inductance (curtage).

A modification of the present invention scheme is prevented, it is not intended to which ground installs the actuator of mistake in a motor vehicle, Huo Zhe During manufacture or during being repaired or being maintained in workshop.Improvement project is arranged to, if unidentified actuator model is Consistent standard is not met by specification of a model, the assembling (Falschverbau) that makes mistake is indicated in the way of using signal.To this Additionally or alternatively, if the actuator model of identification is different from least one default theoretical model in control device and said It is bright, then the assembling that makes mistake also is indicated in the way of using signal.Prevented by improvement project, utilize the actuator mould of mistake Type operating motor vehicles.

A kind of improvement project is identified, if although applying correct actuator model, the actuator model exists The installed position of mistake is arranged in motor vehicle, because the actuator unit for example for the vehicle side on the right is assemblied in the left side Vehicle side at.In the improvement project by control device according to known actuator model known actuator unit by It will be compared according to the installation site of regulation according to defined installation site and with the physical location of actuator unit.Physical location energy It is enough to be accredited according to connection circuit, by the connection circuit actuator unit and control device it is electric be connected.Tie pass is led To the wheel of the pre-determining of motor vehicle, so as to determine the physical location of actuator unit according to connection circuit.When according to the rules Installation site and physical location between distinct timed unit indicated in the way of using signal, actuator unit install In the installed position of mistake.It thus ensure that, such as (when repairing, multiple actuator units are split after the repairing of motor vehicle Except) these actuator units are reinstalled in its installed position according to regulation.

A kind of improvement project makes it possible the actuator unit of control device independently Matching installation.In the improvement project In the control of at least one pre-determining for controlling actuator unit is adjusted for the actuator model of identification by control device Parameter processed and manipulate actuator unit on the basis of at least one control parameter of the adjustment in following operation process. That is at least one ginseng can matchingly be stored respectively for multiple different actuator models in data storage Numerical value and then it is chosen and in terms of control parameter according to the actuator model of identification at least one correct parameter value Adjustment.

A kind of improvement project is related to such situation, i.e. actuator unit and (manufactured and complete in motor vehicle later (Fertigstellung) afterwards) it is changed by reconstruction or replacement.Characteristic curve above-mentioned in advance is (according to this in the improvement project Characteristic curve identification setting state) or at least one measured value of at least one operation process be also used to form and said for model At least one bright characteristic value, the specification of a model is referred to here as " initial actuator model ".In other words the rush being currently installed on The characteristic curve of dynamic device unit coming as at least one characteristic value for the specification of a model for " initial actuator model " Source.Recognized at more late time point (such as after when the repair of vehicles in workshop) according at least one characteristic value, actuator Unit has been replaced.In other words the actuator model recognized is then no longer mutually coordinated with initial actuator model.This can Be because new actuator unit is mounted or actuator unit left and right sides obscure (seitenvertauscht) It is assembled.That is therefore control device independently learns at least one characteristic value to re-recognize the rush being currently installed on Dynamic device unit.

A kind of improvement project even be allowed through control device automatically adjust actuator unit characteristic curve turn into can Energy.In the improvement project characteristic curve is selected on the basis of known actuator model.That is can be for example in control Multiple characteristic curves of different actuator models are stored in device and are then matched on the basis of the actuator model of identification Feature line options and be employed for future operation process.

A kind of improvement project it is considered herein that, because manufacturing tolerance (Exemplarstreuung) is not any actual actuates Device unit all accurately has the characteristic curve of corresponding actuator model.In other words must also alignment features line.In the improvement It is arranged in scheme, the actuator model for identification provides the characteristic curve that can be parameterized.Have at least one to this characteristic curve Individual parameter, the parameter is determined by adjusting corresponding parameter value.That is characteristic curve can for example be described as mathematically Partition function (Zuordnungsfunktion), the partition function has corresponding parameter.At least one described parameter herein according to At least one measured value at least one correction operation process is relied to be adjusted.The characteristic curve so parameterized is then used as actuating The characteristic curve of device unit.Thus such advantage is produced, i.e., the characteristic curve of individually matching actuator unit is provided in a motor vehicle. Therefore it can realize and more accurately or more accurately be inferred to setting state.

Environmental properties (especially air themperature and/or braking are also contemplated for when checking consistent standard according to a kind of improvement project Device temperature and/or air humidity).The actuator characteristic value of such as each specification of a model be able to rely on environmental properties be matched or It is adjusted.Actuator characteristic value and the dependence of environmental properties (such as temperature or air humidity) can be learned by experiment.

As has already been discussed, the control device for the actuator unit of the electromechanical brake of motor vehicle is fallen within The present invention.Control device have be used for couple connection circuit connecting device for actuator unit supply for run into The electrical power of journey.That is connecting device can for example be provided for the electric contact of connection connection circuit.In addition at offer Device equipment is managed, the processor device has program coding, and the program coding is set up to be compiled by processor device implementation procedure The embodiment of the method according to the invention is performed during code.Processor device can be for example in microcontroller or the base of microprocessor Realized on plinth.Each program coding can be stored in the data storage of processor device.Control device can be designed especially For the brake control apparatus for brake.

The motor vehicle of at least one the electromechanical brake for the type that last band is described falls within the present invention, wherein each Brake is connected to receive electrical power by coupling circuit accordingly with control device, and the control device is according to the present invention The embodiment of control device.

Especially set in the motor vehicle according to the present invention, at least one described brake is parking brake respectively, That is brake lining is also maintained at by the parking brake in the shutdown phase of motor vehicle in currentless state At the brake disc of brake.

A kind of improvement project is arranged to there is provided multiple brakes and each brake has the actuator with characteristic curve Unit, wherein characteristic curve are different from each other in terms of at least one characteristic value.Therefore, it is possible to by control device according to this feature value Made a distinction between actuator unit and for example recognize for example workshop repair after on the right and the left side actuator list Obscuring between member.

Automobile is preferably designed to according to the motor vehicle of the present invention, car or truck is especially designed as.

Brief description of the drawings

It described below embodiments of the invention.To this:

Fig. 1 shows a kind of schematic diagram of embodiment of the motor vehicle according to the present invention,

Fig. 2 shows two characteristic curves of the actuator unit with different structure type or actuator model, wherein feature Line describes clamping process, and

Fig. 3 shows two characteristic curves of the actuator unit for release process.

List of numerals

1 motor vehicle

2 wheels

3 brakes

4 control devices

5 connection circuits

6 actuator units

7 onboard power systems

8 brake lining

9 brake calipers

10 brake discs

11 motor

12 transmission mechanisms

13 transformation equipment

14 service voltages

The clamping of 15 brakes

16 characteristic curves (clamping)

16' characteristic curves (release)

17 starting currents

18 unloaded stages

19 liners recline a little

20 clamping forces are formed

21 disconnected phases

22 measured values

The release of 23 brakes

24 starting currents

25 liner release stages

26 unloaded stages

27 disconnected phases

28 characteristic values

The characteristic curve of 29 storages

30 control parameters

31 original actuator models

32 starting currents

33 no-load currents

34 unclamp electric current

35 turn-off currents

36 mutual inductances

37 program codings

38 processor devices

39 mistake assemblings (signal)

A actuator models

ABC specifications of a model

B actuator models

CON connecting devices

I supplies electric current

The T margins of tolerance.

Embodiment

The embodiment being explained below be the present invention it is a kind of preferred embodiment.Embodiment retouches in embodiment The part stated present respectively the present invention it is single can independent of the feature considered each other, these features respectively also independent of In the improvement present invention each other and therefore also it can see the present invention's as individually or with the combination different from shown combination Part.In addition the embodiment described can also be supplemented by the other feature in the feature having been described above of the present invention.

Function identical element is respectively equipped with same reference symbol in figure.

Fig. 1 shows the afterbody of a part for motor vehicle 1, such as motor vehicle 1.Present with wheel drag or abbreviation Wheel 2 for brake 3 and the control device 4 for brake 3.Control device 4 can for example pass through brake control apparatus It is provided.Control device 4 is connected with brake 3 respectively by the connection circuit 5 of electricity, and the electric connection circuit 5 can be connected to At the connecting device CON of control device 4.It can be supplied by the actuator unit 6 for coupling each brake 3 of circuit 5 accordingly There is the electric energy for example from onboard power system 7.Onboard power system 7 can be, for example, 12 volts of onboard power systems.Pass through the rush of each brake 3 The brake disc 10 that the brake lining 8 of the dynamic brake caliper 9 of device unit 6 can be respectively relative to brake 3 is moved.This is each actuated Device unit 6 can include such as motor 11, transmission mechanism 12 and/or conversion equipment 13.Conversion equipment 13 can be for example in spiral shell Realized on the basis of bar and/or ball-screw-transmission.Motor 11 can be, for example, direct current generator.In order to which service meter 11 is logical The service voltage 14 provided in connection circuit 5 can be turned on by crossing control device 4.The supply electric current I when applying service voltage 14 Flow through connection circuit 5.Motor 11 is then in operation and brake lining 8 is moved close to brake disc 10 Place and the brake lining 8 is pushed against the brake disc 10, so that brake 3 is tightened up or is clamped.The brake 3 can E.g. parking brake, brake lining 8 continues holding and is forced against system after motor 11 is disconnected in the parking brake Moving plate 10 and therefore prevent when internal combustion engine is cut off that motor vehicle 1 is slided in shutdown phase.In order to which release brake 3 is electronic Machine 11 can and then be run by means of corresponding supply electric current I again by control device 4, and thus brake lining 8 is moved away from Brake disc 10.

Due to specific actuator design (that is such as transmission mechanism 12 and conversion equipment 13 of actuator unit 6 Selection) and motor characteristic due to motor 11 and due to environmental condition (such as temperature), in the service voltage of application The supply electric current I distinctive current trend for actuator unit 6 is produced in 40.In fig. 2 to this for for for Two different actuator model A, B for clamping 15 clamping process present characteristic curve 16 respectively.It is each in characteristic curve 16 Describe the supply electric current I on time t.When brake 3 unclamps, originally brake lining 8 is located in resting position.From described Resting position comes out the brake lining 8 and moved to by actuator unit 6 in parking spot or clamped position.Herein for supplying To electric current I produce starting current 17, the unloaded stage 18 (unloaded 18 period of the stage brake lining 8 move and not in contact with braking Disk 10), liner recline a little 19, clamping force formation 20 and disconnected phase 21.

Supply electric current I can be measured simultaneously by control device 4, so as to produce measured value 22 during clamping 15.According to Measured value 22 can be known by control device 4 on the basis of characteristic curve 16, clamped 15 and be in progress much degree and/or electronic Whether machine 11 should be disconnected again.In other words the current setting state of actuator unit 6 has been known.Comparing can be pre- On the basis of the margin of tolerance T of determination realize, its in fig. 2 for example for the characteristic value 28 for the unloaded stage 18 as illustrated in As.Margin of tolerance T presents consistent standard.

Fig. 3 illustrates release 23 of the brake lining 8 from brake disc 10.Also generated dependent on actuator model A, B herein Another feature line 16'.The following stage is experienced herein during unclamping 23:Starting current 24, liner release stage 25, zero load Stage 26 and disconnected phase 27.

Which it can be known by control device 4 on the basis of the electrical characteristics of actuator unit 6, actuator model A, B Install or be assemblied at wheel 3.This can respectively be provided for the different actuator model A in control device 4, B, C Characteristic value 28 associated with least one specification of a model ABC.Fig. 2 is illustrated, in the clamping 15 of brake 3 how by for Actuator model A four characteristic values 28 can recognize that actuator unit 6 is corresponded in the comparison with measured value 22 and actuate Device model A.Control device 4 can then for example be selected from the characteristic curve 29 of storage for actuator model A characteristic curve simultaneously And by the operation based on this characteristic curve for actuator unit 6, with order to know current setting in the way of description State.Also the other control parameter 30 of the actuator model A for identification can be for example loaded from memory.Also it can set It is set to, the actuator model A of identification is stored as original actuator model or archetype 31, with order in such as repairing machine Checked after motor-car 1, whether actuator unit 6 is correctly mounted again.Otherwise the operation of motor vehicle 1 can be stopped.Original Then actuator model 31 also present theoretical model explanation.

As illustrated in fig. 1 such, parking brake actuator is integrated in the brake caliper 9 in rear axle.For power shape Into the direct current generator and the transmission mechanism 12 of multistage for being preferably used as motor 11.Because for the clamping of brake lining The energy of power translation be it is necessary, therefore the energy of the translation by means of the screw rod or ball-screw-transmission of conversion equipment 13 from rotation Motion in obtain.But the type of conversion depends on actuator model A, B herein.

The clamping 15 of the parking brake of electricity by the control device 4 of brake control device by manipulating motor 11 come real It is existing.Herein in order to know that the clamping force to be formed is considering actuator design, motor characteristic and environmental condition (such as temperature) In the case of know electricity basic variable such as voltage 14 and electric current I.Thus the current setting state of description is produced.

Current characteristic line is applied especially to infer setting state (opening/grips/clamp completely).Herein for clamping 15 use the typical characteristic curve 16,16' for electric current I with release 23.

Used now by control device 4:Different actuator designs has not to characteristic curve 16,16' and measured value 22 Same influence.

Person is especially descended to have proven to as the characteristic value 28 for recognizing actuator model:Starting current 32, no-load current 33, (breaking current 35 is due to the different efficiency of actuator unit for release electric current 34 in the direction of the opening, breaking current 35 It is distinctive) and mutual inductance 36.It can be described according to a kind of these actuator designs of characteristic value 28 (that is actuator model A, B) And distinguished with another actuator model.

The identification herein can be realized in the case where not changing the component or hardware of control device 4, because for knowing The necessary component of the measured value 22 of electricity after all has been used to clamp 15 and release 23.The only program coding 37 of control device 38 Matching be necessary, with order to recognize different actuator model A, B or identification and indicate to make mistake using the mode of signal Assembling 39 (also recognizes or indicates obscuring between the left side and the right using the mode of signal).

In addition this method can be expanded by storing the clutch features line that be previously completed and unclamping characteristic curve, with order to The clamping 15 and/or release 23 currently performed is contrasted.Thus such as mistake assembling can be identified in after-sale service.Also It is to say storage archetype 31 and perform to re-recognize.

Additional expansion can be initialised by targetedly correcting operation process.For known or targeted The stage 17-21,24-27 of ground adjustment can know measured value 22 and then for example by the characteristic curve 16,16' of parametrization with obtaining The measured value 22 known matches.

Example is shown on the whole, and motor is set by the way that how the present invention can provide stopping brake according to the unit of electricity (Parkbremstellmotor) identification.

Claims (12)

1. one kind is used for the control device (4) for running the actuator unit (6) of the electromechanical brake (3) for motor vehicle (1) Method, wherein in order to clamp (15) and/or in order to unclamp (23) described brake (3) respectively in operation process by described Control device (4) runs the actuator unit (6) while detecting at least one of at least one electric variable (I) electricly Measured value (22) and dependent at least one described measured value (22) according to the characteristic curves of the actuator unit (6) (16, 16') know the current setting state of the actuator unit (6),
Characterized in that,
- in order to recognize the actuator model (A, B) of the actuator unit (6) provide at least one specification of a model (ABC) and Each specification of a model (ABC) is associated with least one actuator characteristic value (28), and
- actuator unit (6) is run by the control device (4) at least one test run process and visited At least one described measured value (22) is surveyed, and
- such specification of a model, the i.e. correlation of the specification of a model are selected from least one described specification of a model (ABC) At least one actuator characteristic value (28) of connection meets the consistent mark of the pre-determining at least one detection measured value (2) Accurate (T), and
- selected specification of a model (ABC) provides as the actuator model (A, B) recognized.
2. according to the method described in claim 1, wherein being each provided for each actuator model (A, B) in lower person extremely Few one is used as actuator characteristic value (28):Starting current (32), no-load current (33), release electric current (34), turn-off current (35), stop when the actuator unit (6) motor (11) mutual inductance (36).
3. according to any method of the preceding claims, if wherein unidentified actuator model (A, B), to utilize The mode of signal indicates the assembling (29) that makes mistake, and/or wherein presets at least one theoretical model explanation (31), and if institute The actuator model (A, B) of identification is different from any theoretical model and illustrates (31), and the mistake is indicated in the way of using signal Assembling (29) by mistake.
4. according to any method of the preceding claims, wherein passing through rush of the control device (4) according to identification Dynamic device model (A, B) know the actuator unit (6) according to regulation installation site and by the peace according to regulation Holding position is compared with the physical location identified according to connection circuit (5) and when in the installation site according to regulation and described Between physical location it is distinct in the case of indicated in the way of using signal, the actuator unit (6) be arranged on mistake Installed position by mistake.
5. according to any method of the preceding claims, wherein passing through rush of the control device (4) for identification Dynamic device model (A, B) adjust the control parameter (30) of at least one pre-determining for controlling the actuator unit (6) and In at least one following operation process the actuator is manipulated on the basis of at least one control parameter (30) of adjustment Unit (6).
6. according to any method of the preceding claims, wherein from the actuator unit (6) being currently installed on Formd in characteristic curve (16,16') or from least one measured value (22) of operation process for initial actuator model (31) at least one actuator characteristic value (28) and at more late time point according to the initial actuator model (31) At least one actuator characteristic value (28) identify that the actuator unit (6) has been replaced.
7. according to any method of the preceding claims, wherein on the basis of the actuator model (A, B) recognized The characteristic curve (16,16') of the upper selection actuator unit (6).
8. according to any method of the preceding claims, wherein being provided for the actuator model (A, B) recognized Can by means of at least one Parameter characteristic curve and dependent at least the one of at least one correction operation process Individual measured value (22) adjusts at least one described parameter value and the characteristic curve of the parametrization is used as the actuator unit (6) Characteristic curve (16,16').
9. according to any method of the preceding claims, wherein being also contemplated for ring when checking consistent standard (T) Border property, especially air themperature and/or brake temperature and/or air humidity.
10. control device (4) of the one kind for the actuator unit (4) of the electromechanical brake (3) of motor vehicle (1), has:
- be used to the connecting device (CON) of connection circuit (5) supply for running to the actuator unit (6) The electrical power of process,
- processor device (38), the processor device (38) has program coding (37), and the program coding (37) is set up to Performed according to any method of the preceding claims when being implemented by the processor device (38).
11. a kind of motor vehicle (1) with least one electromechanical brake (3), wherein each brake (3) is in order to receive electricity Power is connected by coupling circuit (5) accordingly with control device (4),
Characterized in that,
The control device (4) is designed according to claim 10.
12. a kind of motor vehicle according to claim 11 (1), which provides multiple brakes and each brakes utensil There is the actuator unit with characteristic curve, wherein the characteristic curve is different in terms of at least one characteristic value.
CN201710123874.XA 2016-03-03 2017-03-03 Control device and operating method for an actuator unit of an electromechanical brake of a motor vehicle CN107150674B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102016203475.8 2016-03-03
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DE102014222863A1 (en) * 2013-11-15 2015-05-21 Toyota Jidosha Kabushiki Kaisha Control device for an electric parking brake
CN104776135A (en) * 2014-01-10 2015-07-15 梅西耶-布加蒂-道提公司 Method for monitoring a blocking member, and electromechanical actuator
CN105292094A (en) * 2014-07-28 2016-02-03 罗伯特·博世有限公司 Method and apparatus for the operation of a parking brake of a motor vehicle

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DE102013221248A1 (en) * 2013-10-21 2015-04-23 Schaeffler Technologies Gmbh & Co. Kg Electronic control system for a motor vehicle
DE102014222863A1 (en) * 2013-11-15 2015-05-21 Toyota Jidosha Kabushiki Kaisha Control device for an electric parking brake
CN104776135A (en) * 2014-01-10 2015-07-15 梅西耶-布加蒂-道提公司 Method for monitoring a blocking member, and electromechanical actuator
CN105292094A (en) * 2014-07-28 2016-02-03 罗伯特·博世有限公司 Method and apparatus for the operation of a parking brake of a motor vehicle

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