EP4622780A1 - Manipulationsschutz für ein handgerät - Google Patents
Manipulationsschutz für ein handgerätInfo
- Publication number
- EP4622780A1 EP4622780A1 EP23793798.2A EP23793798A EP4622780A1 EP 4622780 A1 EP4622780 A1 EP 4622780A1 EP 23793798 A EP23793798 A EP 23793798A EP 4622780 A1 EP4622780 A1 EP 4622780A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- manipulation
- hand
- robot
- housing
- sliding
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
- B25J13/02—Hand grip control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
- B25J13/06—Control stands, e.g. consoles, switchboards
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/86—Secure or tamper-resistant housings
Definitions
- the present invention relates to a handheld device, a system for operating a robot and a method for producing or operating the handheld device.
- the object of the present invention is to improve protection against manipulation.
- Claims 7 - 9 protect a system for operating a robot with a hand-held device described here or a method for producing or operating a hand-held device described here.
- the subclaims relate to advantageous further developments.
- a handheld device in particular a device that can be carried with one hand, has a housing, a sensor device arranged on, in particular partially or completely in, the housing with one or more sensors, with the aid of which a manipulation of the handheld device, in particular the housing, is or can be detected, in particular physical or mechanical, or which is/are set up or used for this purpose, and an evaluation device arranged on, in particular partially or completely in, the housing, which initiates a manipulation reaction as a result of a manipulation of the handheld device, in particular the housing, detected by means of the sensor device, in particular physical or mechanical, or in a further development carries out a manipulation reaction, or is set up or used for this purpose.
- the handheld device has a control device which, in a further development, is arranged on, in particular partially or completely in, the housing and/or is integrally formed with the evaluation device, in a further development the evaluation device or is identical to the evaluation device. In one embodiment, this allows a more compact structure to be achieved. In another embodiment, the control device and evaluation device are formed separately. In one embodiment, this allows safety to be increased and/or retrofitting and/or maintenance to be improved.
- the housing is made up of two or more parts. Manipulation detected or detectable by the sensor device can include, in particular, opening the housing, in particular at least partially separating at least two of its parts from one another. By detecting such manipulation and a corresponding manipulation reaction, in one embodiment, undesirable consequences of unauthorized access to, in particular, electronic, components in the housing, such as in particular the control device, in particular maintenance by personnel not authorized to do so, can be avoided or reduced.
- the handheld device is a handheld operating device that is used or is set up to operate a robot, in a further development in terms of hardware and/or software, in one embodiment by at least one emergency stop, in particular at least one emergency stop input device, and/or a (correspondingly) safe embodiment and/or an input interface for entering user inputs for operating the robot.
- the robot has at least three, in particular at least six, in one embodiment at least seven, actuated joints or (movement) axes, in particular rotary joints or rotary axes, in one embodiment a robot arm with at least three, in particular at least six, in one embodiment at least seven, actuated joints or (movement) axes, in particular rotary joints or rotary axes.
- it has a communication interface for communication, in one embodiment wireless or wired, with the robot and/or a robot controller for controlling the robot.
- the handheld (operating) device in a further development the control device, outputs signals for operating the robot as a result of user inputs, in an embodiment of user inputs entered via an input interface, in an embodiment via the communication interface and/or wirelessly or wired and/or to the robot and/or the robot controller.
- a system for operating the robot with a handheld (operating) device described here for operating the robot is protected, wherein the system in one embodiment comprises the robot and/or the robot controller for controlling the robot.
- This aspect is based in particular on the idea of preventing or making it more difficult for non-authorised personnel to carry out maintenance on a robot handheld control device and/or of avoiding or reducing undesirable consequences of such maintenance during subsequent operation of the (robot with the) handheld control device(s), which may sometimes only occur some time after maintenance by non-authorised personnel.
- the handheld device has at least one energy storage device, in particular a voltage buffer, arranged on, in particular partially or completely in, the housing, in one embodiment one or more Li-ion cells, one or more capacitive storage cells or the like, which supplies the evaluation device with electrical energy at least temporarily, in one embodiment at least when the handheld device or control device is switched off, or is configured to do so.
- energy storage device in particular a voltage buffer
- Li-ion cells in particular Li-ion cells, one or more capacitive storage cells or the like
- security can be increased and/or energy-autonomous monitoring of the handheld device for manipulation can be realized or improved, in particular when the handheld device is disconnected from an external power supply and/or the control device, in particular the handheld device, is switched off.
- the sensor device is also supplied with electrical energy at least temporarily by the at least one energy storage device.
- the sensor device can also have its own energy supply arranged on, in particular partially or completely in, the housing and/or, in particular by manipulation, generate energy itself and/or be supplied with electrical energy by a power supply of the handheld device.
- the handheld device in particular its evaluation device and, in a further development, its sensor device, are designed in such a way ((energy) self-sufficient) that despite switching off the Control device, in particular of the handheld device, and/or disconnecting the control device, in particular of the handheld device, from an external power supply with the aid of the sensor device, a manipulation of the handheld device, in particular of the housing, is detected and the manipulation reaction is initiated, in particular carried out, by the evaluation device, in one embodiment already when the control device, in particular of the handheld device, is still switched off and/or still disconnected from an external power supply, in one embodiment only after the control device, in particular of the handheld device, has been (re)switched on or (re)connected to an external power supply.
- the handheld device is a handheld operating device for operating a robot, but is not limited to this.
- the detection and triggering of a manipulation reaction when the control device or handheld device is switched off and/or disconnected from an external power supply can be particularly advantageously combined with an activation of the evaluation device from a rest state, as explained below, which is preferably supplied with electrical energy by the energy storage device or voltage buffer.
- the detection and triggering of a manipulation reaction when the control device or handheld device is switched off and/or disconnected from an external power supply can be particularly advantageously combined with a grinding arrangement aspect, as explained below, which provides a sensor that is irreversibly adjusted or actuated as a result of manipulation even when there is no power, which can indicate a corresponding manipulation and trigger a manipulation reaction even after the control device, in particular the handheld device, is switched on or connected to an external power supply.
- the evaluation device compares a value of the electrical characteristic value that is detected and determined by the position, in particular of this sliding contact or this sliding track, of this grinding arrangement with the stored value of the electrical characteristic value of this grinding arrangement and detects a manipulation if a deviation between the detected and stored value of the electrical characteristic value fulfills a deviation condition, in one embodiment exceeds a predetermined tolerance or the like.
- an electrical characteristic in the sense of the present invention or its value depends on an electrical resistance of the (corresponding) sliding arrangement, can in particular have the electrical resistance, in particular be this.
- the grinding arrangement is arranged in such a way that) this position is lost as a result of a manipulation, preferably irreversibly, a deviation between a value of the electrical characteristic value detected after the manipulation and the value stored (before the manipulation) satisfies a deviation condition, so that a manipulation can be detected more reliably and/or easily.
- the sliding contact electrically connects at least two tracks of the sliding track or electrically short-circuits them, so that the resistance between connections of these tracks or this sliding track changes according to the position.
- This aspect can be combined with the aspect that the handheld device is a handheld operating device for operating a robot and/or with the aspect that the evaluation device is at least temporarily supplied with electrical energy by at least one energy storage device arranged on the housing, wherein the combination with the aspect that the handheld device is a handheld operating device for operating a robot is particularly preferred, but the grinding arrangement aspect is not limited to a combination with one or more other aspects.
- the position of the sliding arrangement in particular of the sliding contact or the sliding track, can be variably adjusted in a compact and/or simple manner.
- the sliding contact can contact the sliding track, which is in particular not ring-like but for example at least partially linear, in a random and factory-set translational position, which is lost as a result of manipulation, in particular due to the resulting loss of a frictional connection between the sliding contact and the sliding track.
- the position of the sliding arrangement, in particular of the sliding contact or the sliding track is adjusted, in particular fixed, by means of a preferably tensioned spring device and/or frictionally engaged, in one embodiment by frictionally pressing the sliding contact or rotor with the sliding contact arranged thereon onto the sliding track or the sliding track or the rotor with the sliding track arranged thereon onto the sliding contact by means of the spring device, in particular tensioning the spring device or the sliding contact against the sliding track or the sliding track against the sliding contact by means of the spring device, in one embodiment by (screwing in) a retaining screw, wherein preferably the retaining screw and the sliding contact (tensioned by this) or the retaining screw and the sliding track (tensioned by this) are not tied to one another or connected to one another.
- this makes it possible to easily and/or reliably ensure that a set position of the sliding arrangement, in particular of the sliding contact or the sliding track, is lost as a result of manipulation.
- the frictional engagement between the sliding contact and the sliding track, preferably the sliding track and the sliding contact, in particular their bearing and/or the spring device is designed in such a way that a frictionally adjusted or fixed position of the sliding arrangement, in particular the sliding contact and the sliding track relative to one another, in one embodiment of the sliding contact relative to or on the sliding track or the sliding track relative to or on the sliding contact, is lost as a result of manipulation of the hand-held device, in particular the housing.
- the sliding contact is or is movable in one or more degrees of freedom, preferably freely, wherein the position by which the value of the electrical characteristic of the sliding arrangement is or is determined is a position in this or these degrees of freedom, or the sliding arrangement is designed in such a way, in particular arranged on, preferably completely or partially in, the housing, in a further development the sliding contact is mounted accordingly.
- the sliding track is or is movable in one or more degrees of freedom, preferably freely, after the frictional engagement and/or pressing against the sliding contact by the spring device has ceased, wherein the position by which the value of the electrical characteristic of the sliding arrangement is or is determined is a position in this or these degrees of freedom, or the sliding arrangement is designed in such a way, in particular arranged on, preferably completely or partially in, the housing, in a further development the sliding track is mounted accordingly.
- this makes it possible to reduce power consumption, increase security and/or implement or improve energy-autonomous monitoring of the handset for manipulation, particularly when the handset is disconnected from an external power supply and/or switched off.
- the manipulation reaction comprises, in one embodiment, issuing a warning, in a further embodiment an optical and/or acoustic warning and/or to an operating personnel and/or (in the form of an electronic entry) in an electronic logbook.
- this can prevent unintentional operation of or with the manipulated handset and/or, if necessary, detect unauthorized manipulation.
- the evaluation device is or can be activated or activated from a rest state by a signal from the sensor device as a result of manipulation detected by the sensor device, in particular can be activated again or reactivated or can be reactivated again or reactivated, or the evaluation device and/or sensor device is set up for this purpose.
- a rest state is a sleep or hibernation mode or operating state in which energy consumption, a range of functions and/or a timing of the evaluation device are reduced compared to a (re-)activated (operating) state, in particular one or more functions of the evaluation device are switched off or stopped.
- the evaluation device in one embodiment communicates in encrypted form with the control device and/or the register or these are configured for this purpose.
- the evaluation device, the register and/or the stored value of the electrical parameter is changed, in one embodiment reset or redefined as a result of a preferably encrypted communication, preferably with an authority authorized by the manufacturer of the handheld device, or the handheld device is set up for this purpose.
- Resetting the register can in particular include deleting entries that indicate manipulation, re-defining the stored value of the electrical parameter, in particular saving or overwriting the value with a current value, preferably measured during the reset.
- the change and/or communication takes place with or through the control device of the handheld device.
- the or one or more of the sensors of the sensor device in particular several sensors of the sensor device coupled by means of an OR operation, (each) have at least one mechanical or capacitive switch which, in a further development, is actuated by manipulation of the handset, in an embodiment of the housing, in particular opening of the housing, or conversely is no longer actuated as a result of manipulation of the handset, in an embodiment of the housing, in particular opening of the housing, and can in particular (each) be such a switch.
- a capacitive switch makes it more difficult to mechanically bypass a mechanical switch and can thus (further) increase safety.
- the evaluation device is paired with the control device and/or put into a standby state.
- pairing of the evaluation device and control device comprises creating a crypto key for the encrypted communication between the evaluation device and control device and storing this key in the evaluation device and control device.
- the evaluation device and/or the control device has at least one, in particular digital, processing unit, in particular microprocessor unit (CPU), graphics card (GPU) or the like, preferably data- or signal-connected to a memory and/or bus system, and/or one or more programs or program modules.
- the processing unit can be designed to process commands that are implemented as a program stored in a memory system, to detect input signals from a data bus and/or to output output signals to a data bus.
- a memory system can have one or more, in particular different, storage media, in particular optical, magnetic, solid-state and/or other non-volatile media.
- the program (module) can be designed in such a way that it embodies or is capable of executing the methods described here, so that the processing unit can execute the steps of such methods.
- operating includes programming, controlling and/or monitoring, and can in particular be programming, controlling and/or monitoring.
- a self-sufficient manipulation monitoring system is to be provided which, due to the high safety requirements, complexity and/or maintenance costs, is particularly suitable for handheld devices for operating robots.
- Fig. 1 a system for operating a robot with a handheld control device according to an embodiment of the present invention
- Fig. 2 a handheld device according to an embodiment of the present invention
- Fig. 3 a handheld device according to a further embodiment of the present invention.
- Fig. 4 a grinding arrangement of the hand-held device of Fig. 3;
- Fig. 6 a method for operating the handset of Fig. 3 according to an embodiment of the present invention.
- Fig. 1 shows a system for operating a robot 10 with a handheld control device, which communicates with a robot controller 11 for this purpose.
- the switching elements or sensors 2A, 2B are connected via an OR link 6 to an evaluation device with an ultra-low-power crypto processor 1, which is put into a rest or sleep mode after the initial, factory programming.
- the communication between a control device 4 with a (main) CPU and the crypto processor is encrypted.
- the key is created once in production and pre-programmed on both controllers.
- the crypto processor is woken up and a lock flag is set in the locking register 5.
- the main CPU of the handheld (operating) device sends an encrypted query of the locking register after each boot process. If an active lock flag is returned, the normal boot process is aborted.
- the locking register can be reset by an authorized programming host 300 via encrypted communication with the crypto processor. If no active flag is returned, the boot process continues and communication with the robot controller 11 is established via a communication interface 15.
- step S12 If the query results in at least one active flag (S12: "Y"), the boot process is interrupted and a reset routine is started (step S13).
- the control device or (main) CPU sends a request to an authorized instance (step S14). As soon as it receives approval from the authorized instance (step S15), it resets register 5 or deletes the active flag(s) (step S16). The boot process can then be carried out or continued (step S17).
- step S20 the evaluation device or the cryptoprocessor is initially programmed and initialized, in particular paired with the control device or (main) CPU.
- any active flags in register 5 are reset.
- the evaluation device or the cryptoprocessor is then put into a sleep state (step S22). As long as none of the sensors 2A, 2B is activated (S23: "N"), this sleep state is maintained.
- Fig. 3 shows a hand-held device 200 according to a further embodiment of the present invention in a side section, which can also be the hand-held device of the system of Fig. 1
- Fig. 6 shows a method for operating this hand-held device according to an embodiment of the present invention
- Fig. 4 shows a grinding arrangement of the Handheld control device in a schematic plan view.
- this version implements manipulation monitoring without additional power supply.
- the sensor has the following structure: Two parallel tracks of a ring-like sliding track 20 (see Fig. 4) are integrated on a circuit board in the handheld device (not shown).
- the sensor value is defined by the electrical resistance that is measured between the two tracks or their connections indicated by circles in Fig. 4.
- the rotary position of a sliding contact 21 arranged on a rotor 22 determines the value.
- the sliding contact 21 takes on a random position. It is rotatably mounted with the help of a spring 23 firmly mounted on the rotor 22 and is held in position by friction.
- the spring 23 is tensioned with the help of a retaining screw 24 that is screwed into the upper housing shell 210.
- the spring 23 is not tied to the screw 24.
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Manipulator (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022212498.7A DE102022212498B3 (de) | 2022-11-23 | 2022-11-23 | Manipulationsschutz für ein Handgerät |
| PCT/EP2023/079214 WO2024110131A1 (de) | 2022-11-23 | 2023-10-20 | Manipulationsschutz für ein handgerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4622780A1 true EP4622780A1 (de) | 2025-10-01 |
Family
ID=88511111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23793798.2A Pending EP4622780A1 (de) | 2022-11-23 | 2023-10-20 | Manipulationsschutz für ein handgerät |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4622780A1 (de) |
| CN (1) | CN120265437A (de) |
| DE (1) | DE102022212498B3 (de) |
| WO (1) | WO2024110131A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE450285B (sv) | 1982-06-24 | 1987-06-15 | Asea Ab | Sekerhetsanordning vid manoverenhet for industrirobot |
| DE19634626C1 (de) | 1996-08-27 | 1998-06-10 | Siemens Ag | Demontagegeschützte elektrische Einrichtung |
| DE102010025781B4 (de) | 2010-07-01 | 2022-09-22 | Kuka Roboter Gmbh | Tragbare Sicherheitseingabeeinrichtung für eine Robotersteuerung |
| US9411386B2 (en) * | 2011-10-31 | 2016-08-09 | Hand Held Products, Inc. | Mobile device with tamper detection |
| DE102012106448B4 (de) | 2012-07-17 | 2016-03-31 | Reis Group Holding Gmbh & Co. Kg | Verfahren zur Bedienung eines Industrieroboters sowie sicheres Überwachungsgerät zur Durchführung des Verfahrens |
| DE102015101023A1 (de) | 2015-01-23 | 2016-07-28 | Pilz Gmbh & Co. Kg | Elektronisches Sicherheitsschaltgerät |
| DE102016208811B3 (de) | 2016-05-20 | 2017-10-05 | Kuka Roboter Gmbh | Mobile Sicherheits-Grundsteuervorrichtung mit einer Kodiervorrichtung für ein mobiles Endgerät mit Multi-Touchscreen |
-
2022
- 2022-11-23 DE DE102022212498.7A patent/DE102022212498B3/de active Active
-
2023
- 2023-10-20 CN CN202380081220.9A patent/CN120265437A/zh active Pending
- 2023-10-20 EP EP23793798.2A patent/EP4622780A1/de active Pending
- 2023-10-20 WO PCT/EP2023/079214 patent/WO2024110131A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024110131A1 (de) | 2024-05-30 |
| CN120265437A (zh) | 2025-07-04 |
| DE102022212498B3 (de) | 2024-05-23 |
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