EP3390125A1 - Verfahren und vorrichtung zum ansteuern einer aktuatoreinrichtung und aktuatorvorrichtung - Google Patents
Verfahren und vorrichtung zum ansteuern einer aktuatoreinrichtung und aktuatorvorrichtungInfo
- Publication number
- EP3390125A1 EP3390125A1 EP16795332.2A EP16795332A EP3390125A1 EP 3390125 A1 EP3390125 A1 EP 3390125A1 EP 16795332 A EP16795332 A EP 16795332A EP 3390125 A1 EP3390125 A1 EP 3390125A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- voltage
- providing
- supply
- supply voltage
- 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- Withdrawn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
- 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
- B60G17/0152—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 action on a particular type of suspension unit
- B60G17/0157—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 action on a particular type of suspension unit non-fluid unit, e.g. electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
- B60G21/0553—Mounting means therefor adjustable
- B60G21/0555—Mounting means therefor adjustable including an actuator inducing vehicle roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/13—Torsion spring
- B60G2202/135—Stabiliser bar and/or tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/40—Type of actuator
- B60G2202/42—Electric actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/40—Type of actuator
- B60G2202/442—Rotary actuator
-
- 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
- B60G2600/08—Failure or malfunction detecting 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
- B60G2600/08—Failure or malfunction detecting means
- B60G2600/084—Supervisory systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
Definitions
- the present invention relates to a method and a device for driving an actuator device of a roll stabilizer for a vehicle and to an actuator device.
- a roll stabilizer is used to control or influence the roll of the vehicle body due to cornering or when driving on uneven terrain.
- EP 1 426 208 B1 discloses a split electromechanical
- Motor vehicle stabilizer and a method for roll stabilization in case of failure or shutdown of the active motor vehicle stabilizer.
- the present invention provides an improved method and apparatus for driving an actuator in a roll stabilization of a vehicle and an improved roll stabilizer actuator according to the main claims.
- Advantageous embodiments will become apparent from the dependent claims and the description below.
- the actuator When an actuator, such as an electric motor, the power supply is interrupted, the actuator can act as a generator. To prevent resulting damage, electrical leads of the actuator can be interrupted or shorted.
- a method for driving an actuator device of a roll stabilization, in particular of a roll stabilizer, for a vehicle comprises a number of special steps.
- the actuator device has a supply line connection for providing a supply voltage, a converter for providing an AC voltage using the supply voltage and at least two phase lines for providing the AC voltage
- Interrupt signal to an interface to a protection device, which is designed to prevent at least partially in response to the protection signal, a forwarding of a fed via the actuator terminals in the phase lines or can be fed generator voltage.
- the actuator may be a motor, in particular an electric motor.
- the actuator may be an AC motor or a three-phase motor.
- the transducer may be configured to be a
- Convert AC voltage A characteristic of the AC voltage, a power of the actuator can be controlled.
- the converter can be considered as a control unit for controlling the actuator or be part of such a control unit.
- the converter can be designed as an inverter.
- the converter may be a bridge circuit for converting the
- the supply voltage may be one from a vehicle electrical system
- two, three or more phase lines may be provided for operating the actuator.
- Supply line connection connected supply line be the case. Under the deviation from the supply voltage can be a strongly diminished or clear or strong overshoot of the supply voltage at
- the deviation is determined by a threshold - a defined voltage.
- Supply voltage of 48V for example, can be a threshold "overshoot" at 60 V.
- a threshold for example, 40V can be set
- Interrupt signal displayed Instead of a threshold can be spoken of a voltage level.
- the interrupt signal and the protection signal may be analog or digital electrical signals.
- the generator voltage can be understood as meaning a voltage which is generated by the actuator and fed into the phase lines when the converter is no longer supplied with the supply voltage and thus no
- AC voltage for operating the actuator is provided by the converter.
- the protective device may comprise at least one switch which is connected to at least one line of the actuator device, for example with at least one
- Phase line or connected to the supply line connection line is connected.
- the protective device may comprise a control device for actuating such a switch. Through the protective device, a generator voltage leading line can be interrupted or shorted, creating a further spread of the
- the method comprises a step of causing a short circuit between the phase lines in response to the
- Protection signal using the protective device may represent a control signal that is suitable to a
- Short-circuit device for example, at least one switch, so to control that on the short-circuiting device, the short circuit between the Phase lines is effected.
- the protection signal may represent a data signal that is suitable for setting a drive device for driving a short-circuit device in a state in which the
- Actuator provides a control signal that is suitable to a
- the short circuit between the phase lines is effected.
- the generator voltage can be reduced very quickly.
- the method may include a step of causing a short circuit between the supply line terminal and a
- Reference potential of the actuator device in response to the protection signal using the protection device include. This may be in the
- Protection signal also act to a corresponding control signal or data signal, via the directly or indirectly using a
- the short circuit between the supply line terminal and the reference potential such as a ground potential, can be effected. In this way, a forwarding of the generator voltage with only a single between the supply line terminal and the reference potential.
- Reference potential switched switch can be realized.
- the method comprises a step of causing an interruption of the phase lines in response to the protection signal using the protection device.
- the protection signal may represent a control signal that is suitable for applying one to at least one of
- the protection signal may also represent a data signal which is suitable for setting a drive device for driving a switch arranged in at least one of the phase lines into a state in which the drive device provides a control signal which is suitable for opening the at least one switch ,
- Generator voltage reaches the converter.
- damage to the converter by the generator voltage can be excluded.
- a switching frequency can be chosen so that the transmitted portion of the generator voltage can cause no damage to the actuator.
- the transmitted portion may still be used to provide a value of
- this may also result from the frequency of undershooting or exceeding the threshold value. In other words, the switching frequency then results from the occurring within a time period under or exceeding the specified threshold value.
- the steps of reading and providing can be carried out using the generator voltage.
- appropriate means for implementing the steps with the generator voltage can be provided.
- the method comprises a step of detecting the interruption of a supply of the supply voltage or a
- Deviation is detected, it can be decided by setting a lower and an upper threshold or a voltage level with high reliability, whether the provision of the protection signal and thus causing a short circuit or a break within the actuator device is required or not.
- the interruption can be determined by a comparison between a voltage applied to the supply line connection and a
- Reference voltage can be detected.
- Reference voltage e.g. in the design of the circuit, it can be avoided that a short circuit or an interruption within the actuator device has already taken place, if only a slight under or exceeding the
- the interrupt signal can be read in via an interface to a communication bus. Additionally or alternatively, in the step of providing the protection signal via an interface to a communication bus.
- Actuator be executed.
- the CAN bus can be used.
- the invention also relates to a device for driving a
- the actuator device has a supply line connection for providing a supply voltage, a converter for providing a
- Actuator connections of an operable by the AC voltage actuator are characterized by the following features: a read-in device for reading in an interruption signal interrupting a provision or deviation from the
- a device may be an electrical device that processes electrical signals, such as sensor signals, and outputs control signals in response thereto. Such devices are also referred to as control unit.
- the device may have one or more suitable ones Have interface that can be designed in hardware and / or software.
- the interfaces may be part of an integrated circuit in which functions of the device are implemented.
- the interfaces may also be their own integrated circuits or at least partially consist of discrete components.
- the interfaces may be software modules that are available for example on a microcontroller in addition to other software modules.
- a roll stabilizer comprising said actuator means further comprises means for driving the actuator means.
- An advantage is also a computer program product with program code, which on a machine-readable carrier such as a semiconductor memory, a
- Hard disk space eg, HD or SSD
- optical storage may be stored and used to perform the method of any of the embodiments described above when executing the program on a computer or device.
- FIG. 1 is a schematic representation of a vehicle with an actuator device according to an embodiment of the present invention
- Fig. 2 is a flowchart of a method for driving a
- Fig. 3 is a schematic representation of an actuator according to a
- 4 is a circuit diagram of an actuator device according to an embodiment of the present invention
- 5 is a circuit diagram of an actuator device according to an embodiment of the present invention
- FIG. 6 is a circuit diagram of an actuator device according to an embodiment of the present invention.
- Fig. 7 is a schematic representation of an actuator according to a
- Fig. 8 is a schematic representation of an actuator according to a
- Fig. 1 shows a schematic representation of a vehicle 100 with a
- Roll stabilizer 105 here called stabilizer, according to an embodiment of the present invention.
- the stabilizer 105 is realized as a two-part torsion bar with a first stabilizer element 111 and a second stabilizer element 115.
- one end of the first stabilizer element 111 is connected to a first wheel suspension element 113a of the vehicle 100
- one end of the second stabilizer element 115 is connected to a second wheel suspension element 113ab of the vehicle 100.
- Stabilizer elements 111, 115 in this case designed as, preferably bent approximately in the direction of travel or cranked arms, which by means of articulated
- Pendulum supports 117, 117a are each connected to the suspension elements 113a, 113b.
- the suspension elements 113a, 113b are, for example, opposing transverse links of the vehicle 100.
- Stabilizer elements 111, 115 are each rotatably mounted on a chassis or the body of the vehicle 100 by means of a body support 119 about a common axis of rotation DD.
- the axis of rotation DD corresponds to a transverse axis of the vehicle 100 by way of example.
- 115 is mechanically coupled to at least one electric motor as an actuator 110.
- the electric motor not shown, is in the
- Actuator 102 is arranged and formed in order to rotate using a control signal, the stabilizer elements 111, 115 in opposite directions about the axis of rotation D-D.
- the control signal represents, for example, a signal determined based on a field-oriented control.
- the vehicle 100 is equipped with a device 165 which is connected to the electric motor 135 and configured to provide the control signal.
- FIG. 2 shows a schematic representation of a vehicle 100 with a
- Actuator device according to an embodiment of the present invention.
- the actuator device according to an embodiment provides a
- the actuator device comprises an actuator 102 and a device 104 for driving the
- Actuator device 102 Actuator device 102.
- the actuator device 102 has an actuator 110, which is also referred to below as a motor 110 and is embodied here as an electric motor 135, and a converter 112.
- the transducer 112 is configured to over
- Phase lines 114, 116 to provide an AC voltage for operating the actuator 110 to the actuator 110.
- the converter 112 has a
- a power supply device 120 for example an electrical system of the vehicle 100, is designed to be a
- the converter 112 is configured to generate the AC voltage using the supply voltage and to the phase lines 114, 116 via output terminals 124, 126 provide. Another input-side terminal 128 of the converter 112 is connected according to this embodiment with a ground line.
- the supply voltage is interrupted or deviated significantly (lower or upper threshold or
- the actuator 110 acts as a generator and supplies a generator voltage above
- Actuator connections 132, 134 in the phase lines 114, 116 a are provided.
- Generator voltage can lead to damage in the actuator 102.
- the device 104 is designed to completely or at least partially prevent a forwarding of such a generator voltage fed into the phase lines 114, 116.
- the device 104 is designed to receive an interrupt signal 140 via an input interface.
- Interrupt signal 140 is configured to interrupt an
- the device 104 is designed to generate and provide, using the interrupt signal 140, at least one protection signal 142, 144, 146, 148 which is suitable for controlling a protective device 152, 154, 156, 158 in such a way that the generator voltage is forwarded at least partially prevented.
- the device 104 has a
- a read-in device 160 which is configured to read in the interrupt signal 140 and to apply the interrupt signal 140 to a
- Deployment device 162 is configured to operate using the
- Interrupt signal 140 to generate at least one protection signal 142, 144, 146, 148 and provide at least one output interface of the device 104.
- the read-in device 160 is further configured to detect the interruption of the supply voltage, For example, by comparing the voltage applied to the supply line terminal 118 voltage with a reference voltage.
- the device 104 is coupled via at least one line 164 to at least one of the actuator terminals 132, 134 so that the devices 160, 162 of the devices 104 can be operated via the generator voltage.
- the device 104 the device 104
- a protective device 152 is integrated in the converter 112 or is part of the actuator device 102.
- a protective device 154 is implemented as a control device for providing a control signal 166 generated using the protection signal 144 to drive the actuator device 102.
- a protection device 156 is integrated into the phase lines 114, 116 or coupled to the phase lines 114, 116.
- a protection device 158 is integrated into the supply line 122 or coupled to the supply line 122.
- At least one of the protective devices 152, 154, 156 is designed to effect a short circuit between the phase lines 114, 116, triggered by the protective signal 142, 144, 146. By such a short circuit, a forwarding of the generator voltage is effectively prevented.
- the protective devices 152, 154, 156 may be configured to close at least one switch connecting the phase lines 114, 116 in response to the protection signal 142, 144, 146.
- the protective devices 152, 154, 156 may be configured to close at least one switch connecting the phase lines 114, 116 in response to the protection signal 142, 144, 146.
- Protective devices 152, 156 also realize such a switch.
- At least one of the protective devices 152, 154, 156 is designed to effect an interruption of the phase lines 114, 116 in response to the protection signal 142, 144, 146.
- the protective devices 152, 154, 156 may be configured to switch arranged in the phase lines 114, 116 in response to the
- Protective devices 152, 156 realize such switches.
- the protection device 158 is designed to be controlled by the protection signal 148 a Kurzsehl uss between the
- the protection device 158 may be designed to close a switch connecting the terminals 118, 128 in response to the protection signal 148.
- the protection device 158 may also be designed as such a switch.
- the provision device 162 is configured to provide the provision device 162
- the protection signal 142, 144, 146, 148 clocked, so that the generator voltage through the protection devices 152, 154, 156, 158 alternately transmitted and suppressed. Accordingly, the
- Protective means 152, 154, 156, 158 may be configured to alternately cause and cancel the corresponding short circuit and / or the corresponding interruption of the phase lines in response to a clocked or non-clocked protection signal 142, 144, 146, 148.
- FIG. 3 shows a flow diagram of a method for driving a
- Actuator device according to an embodiment of the present invention.
- the method may be performed using the apparatus described with reference to FIG.
- the actuator device may be the circuit described with reference to FIG. 2.
- the method comprises a step 201 in which an interrupt signal is read in which indicates an interruption or deviation from a supply voltage for a converter of the actuator device. Further The method comprises a step 203, in which a protection signal is provided by using the interrupt signal, via which a
- Generator voltage is at least partially prevented.
- step 205 the interruption or deviation from the supply voltage is detected. For this purpose, for example, a comparison is made between the available supply voltage and a reference voltage.
- the interrupt signal can thus be interpreted according to an embodiment as the supply voltage or a value indicating the supply voltage signal.
- the method optionally comprises steps 207, 209, 211, by which the forwarding of the generator voltage is prevented.
- steps 207, 209, 211 by which the forwarding of the generator voltage is prevented.
- a short circuit between the phase lines of the actuator device is effected.
- a short circuit between the supply line terminal and a reference potential of the actuator device is effected.
- an interruption of the phase lines is effected.
- Steps 207, 209, 211 may be performed repeatedly, for example, to effect a clocked short or clocked interrupt. This means an interruption at intervals, the intervals may be, for example, 50-200ms, especially 100ms, long.
- FIG. 4 shows a schematic representation of an actuator device according to an embodiment of the present invention. This can be a
- the converter 112 is configured to provide a three-phase AC voltage to the actuator 110 via three phase lines 114, 116, 314.
- the actuator 110 is as a
- the converter 112 comprises a bridge circuit with six switches 321, 322, 323, 324, 325, 326, which are embodied here as transistors.
- switches 321, 322, 323, 324, 325, 326 which are embodied here as transistors.
- one terminal of the transistors 321, 322, 323, which may be realized as high-side MOSFETs is connected to the supply line 122.
- one connection of the transistors 324, 325, 326 which may be implemented as low-side MOSFETs, is connected to a reference potential line 328 of the actuator device.
- a further terminal of the transistors 321, 324 is connected to the first
- Phase line 114 connected. In each case another connection of the
- Transistors 322, 325 is connected to the second phase line 116. In each case a further terminal of the transistors 323, 326 is connected to the third phase line 314.
- Transistors 321, 322, 323, 324, 325, 326 can be used to generate a suitable operating voltage for the actuator 110 using the supply voltage applied on the input side to the converter 112 during normal operation of the actuator device and to be supplied to the actuator 110 via the phase lines 114, 116, 314 ,
- the protection device 152 comprises the three transistors 324, 325, 326 of the bridge circuit.
- the transistors 324, 325, 326 can be switched so that the phase lines 114, 116, 314 are short-circuited.
- the protection device 152 comprises the three transistors 321, 322, 323 of the bridge circuit, which can be switched in accordance with the transistors 324, 325, 326 so that the phase lines 114, 116, 314 are short-circuited.
- the protection device 158 includes an optional further transistor 330, which in the switched-through state a
- Reference potential line 328 causes. Via the protection signal described with reference to FIG. 2 or a control signal generated in response to the protection signal, the transistor 330 can be switched so that the lines 122, 128 are short-circuited within the transducer 112 or as close as possible outside the transducer 112.
- the actuator device comprises a
- Link capacitor 332 which is connected between the supply line 122 and the reference potential line 328.
- Fig. 4 Purely schematically in Fig. 4 is a control 340 as
- Comparator circuit can be triggered.
- the functions 340, 342, 344, 346 may be integrated in the device described for the actuation of the actuator device described with reference to FIG. 2.
- the comparator circuit is in particular for the detection of the deviation from the supply voltage in the sense of
- the converter 112 may be referred to as the motor drive unit 334 together with the DC link capacitor 332 and the transistor 330. Alternatively, only the converter 112 may be referred to as a motor drive unit 334.
- the actuator device is used according to an embodiment in connection with an electromechanical roll stabilizer.
- an actuator 110 in the form of a
- the supply line 122 is also referred to here as a supply line or power supply line.
- Power supply can occur, for example, due to cable breakage, defective plugs, defective energy storage, etc.
- This destruction can be prevented by overvoltage.
- This control can be targeted by controlling 342 of the components by software, by specifications of a higher-level control 344, e.g. by the vehicle manufacturer, or by exceeding a threshold value 346, which leads to a direct short circuit.
- a safe state with regard to electrical safety can be achieved by not exceeding a maximum DC voltage of 60 V according to one exemplary embodiment.
- the short circuit methodology can be a safe state with regard to functional
- Safety can be achieved by the damping properties of the stabilizer can be increased because the actuator 110 in the form of a motor can no longer act as a generator.
- Fig. 5 shows a circuit diagram of an actuator according to a
- the actuator device comprises an actuator device 102 and a device 104 for driving the Actuator 102, which may be embodiments of the devices or devices described with reference to the preceding figures.
- the device 104 is connected to the supply line 122 via a line.
- the device 104 according to one embodiment comprises a
- the device 104 comprises a control for short circuit. According to an alternative embodiment, the device 104 is provided with a
- Means 440 for detecting a threshold overshoot for example, a comparator circuit, coupled, which is adapted to the at the
- Supply line 122 to evaluate applied supply voltage.
- the device 104 is designed to provide the protection signal 148 to a control input of the transistor 330 in response to the supply voltage being exceeded or exceeded below a reference value (threshold or voltage level).
- Supply line 122 is shorted to the reference potential line 328.
- the transistor 330 serves as a protection device 158.
- a further transistor 430 is integrated into the supply line 122 and the device 104 is designed to supply a signal 448 to a reference value (threshold or voltage level) in response to the supply voltage being undershot or exceeded
- the supply line 122 is connected to a 48V vehicle electrical system (BN48) of a vehicle, so that at the
- Supply line connection of the converter 112 applied supply voltage in normal operation is 48V. Due to a break in the
- the supply voltage may drop abruptly
- a short-time or a short-circuited short circuit is implemented by a suitable circuit in the electronics when exceeding or falling below a threshold or voltage level at a corresponding voltage drop or when the supply voltage is exceeded.
- a suitable circuit in the electronics when exceeding or falling below a threshold or voltage level at a corresponding voltage drop or when the supply voltage is exceeded.
- a logic circuit for example the device 440, is used, which the
- the device 440 represents, according to one exemplary embodiment, a comparison circuit which can be implemented by, for example, a comparator circuit and can be configured to different threshold values, which are associated, for example, with different reference voltages. If, for example, the critical threshold of 60 V, which is critical for the electrical components and critical for electrical safety, is exceeded, the energy is dissipated by a short circuit within the energy source for the time of exceeding.
- This circuit is preferably activated according to one embodiment, in particular
- the DC link (ZWK) is short-circuited if a separation has previously been made
- control units of the actuator device are used to realize a short circuit. For example, this can be done by driving the bridge driver of the converter 112, by which the bridge driver is brought into a defined preferred state, as described with reference to FIG. 7, or by a direct drive of the transistors 324, 325, 326 as described with reference to FIG Fig. 6 is described.
- Fig. 6 shows a circuit diagram of an actuator device according to a
- Embodiment of the present invention may be an alternative embodiment of the described with reference to FIG. 5
- the device 104 is designed to switch the protection signal 142 to a control input of at least one of the control signals in response to a drop in the supply voltage below a reference value
- Transistors 324, 325, 326 provide to the transistors 324, 325, 326 to turn on, so that the phase lines 114, 116, 314 with each other
- transistors 324, 325, 326 serve as
- Fig. 7 shows a circuit diagram of an actuator according to a
- Embodiment of the present invention may be an alternative embodiment described with reference to FIG. 6
- the device 104 is designed to switch the protection signal 144 to a reference value (threshold or voltage level) in response to the supply voltage dropping below or exceeding the supply voltage
- Protective circuit 154 in the form of a control circuit of the converter 112, for example, a bridge driver 154 of the converter 112 to provide.
- the protection circuit 154 is configured to apply control signals 166 to the control inputs of the transistors 324, 325, 326 in response to the protection signal 144
- a short-circuit or a clocked short-circuit can be implemented by means of an intelligent control of the existing motor control 334 in SW or HW.
- the motor controller 334 which can be embodied, for example, as a control unit, also includes a computing unit ( ⁇ ) (calculation of the controller algorithms for controlling the Motors and actuators) and an electrical circuit, the control commands of the arithmetic unit in the control signals of
- the arithmetic unit can intervene via the following different options and a component protection of the B6 bridge 321, 322, 323, 324, 325, 326.
- the basis for this purpose is the measurement of the voltage across the intermediate circuit 332, as it is necessary for the control of the motor 110 in all operating conditions.
- the arithmetic unit can put the bridge driver 154 in a state in which this the motor phases via the switching of the low-side switch transistors representing the transistors 324, 325, 326 or the high-side switch at too high DC link voltage representing transistors 321, 322, 323 in the short circuit.
- the detection of the voltage can be done via the analogue detection of the
- Triggering can be triggered based on a cyclic task or event. If a higher-level control (eg a vehicle manufacturer-specific
- Embodiment used from one of the methodologies already described. The difference is that the default is sent to a lesser or no recuperation on a communication bus as info to the controller.
- Fig. 8 shows a schematic representation of an actuator device according to an embodiment of the present invention. This may be a further embodiment of the actuator device described with reference to FIG. 4.
- the protection device 156 comprises three switches 714, 716, 718 arranged in the phase lines 114, 116, 314.
- the switch 714 is arranged in the first phase line 114, the second switch 716 in the second phase line 116 and the third switch 718 in the third phase line 314.
- the switches 714, 716, 718 can be switched so that the phase lines 114, 116, 314 are interrupted.
- a control 740 of the protective device 156 designed as a phase separation device is shown purely schematically in FIG.
- Threshold exceeded 346 can be triggered.
- Functions 340, 342, 344, 346 may be integrated in the device described for the actuation of the actuator device described with reference to FIG. 2.
- a direction of action of the control 740 is represented by the arrow of the protection signal 146.
- the arrangement shown can, as described with reference to FIG. 4, for driving an actuator 110 in the form of a three-phase drive, in particular for
- the separation can be targeted by controlling 342 of the components by software, by specifications of a higher-level control 344, for example by the customer, or by exceeding a threshold 346, which leads to a direct control of the phase separator, here the switch 714, 716, 718, be implemented.
- phase separator By using the phase separator, a safe state with regard to electrical safety can be achieved by setting the maximum DC voltage
- the motor 110 can no longer act as a generator.
- phase separator Another application is a separation of the phase separator to prevent from the perspective of the electrical system feedback or to keep the energy balance stable.
- the use of a phase separator is also in many more
- Useful areas e.g. in transmission actuation or
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015225809 | 2015-12-17 | ||
| DE102016211644.4A DE102016211644A1 (de) | 2015-12-17 | 2016-06-28 | Verfahren und Vorrichtung zum Ansteuern einer Aktuatoreinrichtung und Aktuatorvorrichtung |
| PCT/EP2016/077643 WO2017102203A1 (de) | 2015-12-17 | 2016-11-15 | Verfahren und vorrichtung zum ansteuern einer aktuatoreinrichtung und aktuatorvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3390125A1 true EP3390125A1 (de) | 2018-10-24 |
Family
ID=58994526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16795332.2A Withdrawn EP3390125A1 (de) | 2015-12-17 | 2016-11-15 | Verfahren und vorrichtung zum ansteuern einer aktuatoreinrichtung und aktuatorvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11312200B2 (de) |
| EP (1) | EP3390125A1 (de) |
| DE (1) | DE102016211644A1 (de) |
| WO (1) | WO2017102203A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019213279B4 (de) * | 2019-09-03 | 2022-06-02 | Zf Friedrichshafen Ag | Verfahren zum Betreiben eines verstellbaren Wankstabilisators eines Kraftfahrzeugs |
| US20220041030A1 (en) * | 2020-08-10 | 2022-02-10 | GM Global Technology Operations LLC | Active roll control system |
| WO2023066452A1 (en) * | 2021-10-18 | 2023-04-27 | Jaguar Land Rover Limited | Loss of a subsystem and interactions with external systems |
| WO2023066444A1 (en) * | 2021-10-18 | 2023-04-27 | Jaguar Land Rover Limited | Functional safety protection mechanism self-test |
| JP2025032741A (ja) * | 2023-08-28 | 2025-03-12 | トヨタ自動車株式会社 | 車両挙動制御装置、車両挙動制御方法、及び車両挙動制御プログラム |
| DE102024107317A1 (de) * | 2024-03-14 | 2025-09-18 | Bayerische Motoren Werke Aktiengesellschaft | Wechselrichtervorrichtung für zumindest ein Unterstützungssystem eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080290843A1 (en) * | 2007-05-21 | 2008-11-27 | Honeywell International Inc. | Wide speed range electric power generation system using high reactance permanent magnet machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10257211A1 (de) | 2002-12-07 | 2004-06-24 | Bayerische Motoren Werke Ag | Geteilter elektromechanischer Kraftfahrzeugstabilisator und Verfahren zur Wankstabilisierung bei Ausfall oder Abschaltung des aktiven Kraftfahrzeugstabilisators |
| JP2007195331A (ja) * | 2006-01-19 | 2007-08-02 | Toyota Motor Corp | 電動モータの駆動装置およびそれが配備された車両用スタビライザシステム |
| JP2007210454A (ja) * | 2006-02-09 | 2007-08-23 | Toyota Motor Corp | 車両用スタビライザシステム |
| DE102011055626B4 (de) | 2011-11-23 | 2023-10-19 | Robert Bosch Gmbh | Phasentrennung bei eps-systemen |
| DE102013209525A1 (de) * | 2013-05-23 | 2014-11-27 | Zf Friedrichshafen Ag | Schutzschaltung für einen Aktuator, Aktuatorvorrichtung und Verfahren zum Betreiben eines elektrischen Aktuators |
| DE102013209527A1 (de) * | 2013-05-23 | 2014-11-27 | Zf Friedrichshafen Ag | Schutzschaltung für einen Aktuator, Aktuatorvorrichtung und Verfahren zum Betreiben eines elektrischen Aktuators |
| DE102013110240B4 (de) * | 2013-09-17 | 2017-09-07 | Sma Solar Technology Ag | Schaltungsanordnung für einen Photovoltaikwechselrichter zur Ausschaltentlastung mit Kurzschlussschaltern und Verwendungen der Schaltungsanordnung |
-
2016
- 2016-06-28 DE DE102016211644.4A patent/DE102016211644A1/de not_active Ceased
- 2016-11-15 US US16/062,649 patent/US11312200B2/en active Active
- 2016-11-15 EP EP16795332.2A patent/EP3390125A1/de not_active Withdrawn
- 2016-11-15 WO PCT/EP2016/077643 patent/WO2017102203A1/de not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080290843A1 (en) * | 2007-05-21 | 2008-11-27 | Honeywell International Inc. | Wide speed range electric power generation system using high reactance permanent magnet machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016211644A1 (de) | 2017-06-22 |
| US11312200B2 (en) | 2022-04-26 |
| US20190054792A1 (en) | 2019-02-21 |
| WO2017102203A1 (de) | 2017-06-22 |
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