GB2534471A - Method for operating a motor vehicle by remote control - Google Patents

Method for operating a motor vehicle by remote control Download PDF

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Publication number
GB2534471A
GB2534471A GB1522634.3A GB201522634A GB2534471A GB 2534471 A GB2534471 A GB 2534471A GB 201522634 A GB201522634 A GB 201522634A GB 2534471 A GB2534471 A GB 2534471A
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GB
United Kingdom
Prior art keywords
mobile device
control device
switch
health
motor vehicle
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Withdrawn
Application number
GB1522634.3A
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GB201522634D0 (en
Inventor
Valasek Eric
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler AG filed Critical Daimler AG
Priority to GB1522634.3A priority Critical patent/GB2534471A/en
Publication of GB201522634D0 publication Critical patent/GB201522634D0/en
Publication of GB2534471A publication Critical patent/GB2534471A/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/0011—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots associated with a remote control arrangement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
    • B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
    • 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
    • B60L3/0007—Measures or means for preventing or attenuating collisions
    • 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
    • B60L3/02—Dead-man's devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/06—Automatic manoeuvring for parking
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/0011—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots associated with a remote control arrangement
    • G05D1/0033—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots associated with a remote control arrangement by having the operator tracking the vehicle either by direct line of sight or via one or more cameras located remotely from the vehicle
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/12—Driver interactions by confirmation, e.g. of the input
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/16—Driver interactions by display
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/22—Standstill, e.g. zero speed
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/32—Auto pilot mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The method comprises the step of providing a communications protocol for wireless communication. Providing wireless communication between the remote control, which is a mobile device 14, and a control system 18 of the vehicle 10, wherein the messages 22, 24 are specified in the protocol. Providing a dead mans switch 26 (also in figures 2 to 4) for the mobile device, operable by a user 12. Operating the motor vehicle by remote control as long as the user engages with the dead-mans switch, and as long as the communication protocol is agreed upon by both the mobile device and the control device of the vehicle. This invention provides a safe method for operating a vehicle remotely, as it ensures that if there was a failure in communication or the operator was no long present or release the switch, the vehicle would stop operating. The communication protocol may include health and status information of the mobile device. The communication can also consist of screen coordinate and manoeuver data. The dead-mans switch may be formed as a virtual operating device displayed on a screen, such as a touch screen. The method may be particularly useful when parking a car. The mobile device maybe a smartphone, or table PC

Description

Intellectual Property Office Application No. GII1522634.3 RTM Date:17 June 2016 The following terms are registered trade marks and should be read as such wherever they occur in this document: Bluetooth Intellectual Property Office is an operating name of the Patent Office www.gov.uk /ipo Method for operating a motor vehicle by remote control The invention relates to a method for operating a motor vehicle by remote control by means of a mobile device comprising the steps of providing a communication protocol for wireless communication between a control device of the motor vehicle and the mobile device and providing the wireless communication between the control device and the mobile device, wherein messages specified in the communication protocol are transmitted between the control device and the mobile device. In addition, the invention relates to a system comprising a mobile device and a control device.
It is known from the prior art to a use mobile device to operate a motor vehicle by remote control. This is, for example, disclosed in DE 10 2013 021 219 Al. The remote control of the vehicle can be useful in several circumstances, for example in order to park a motor vehicle or a car in a tight parking space. For this purpose, the mobile device communicates with a control device, ECU (electronic control unit), of the motor vehicle. Since the driver does not need to be in the car during operation by remote control, it is important that the operation of the car by remote control is safe. Therefore, the ECU can be provided with several safety features like a fail-safe system that should prevent injury or damage to the motor vehicle.
It is the object of the present invention to provide a particularly safe method for operating a motor vehicle by remote control.
According to the invention, this object is solved by a method as well as a system having the features according to the respective independent claims. Advantageous implementations of the invention are the subject matter of the dependent claims, of the description and of the figures.
The method according to the invention is used for operating a motor vehicle by remote control by means of a mobile device. The method includes the steps of providing a communication protocol for wireless communication between a control device of the motor vehicle and the mobile device and providing the wireless communication between the control device and the mobile device, wherein messages specified in the communication protocol are transmitted between the control device and the mobile device. Additionally, the method comprises the steps of providing a dead man's switch for the mobile device operable by a user of the mobile device and operating the motor vehicle by remote control as long as a user's engagement of the dead man's switch is detected by the mobile device and as long as the communication protocol is agreed upon the mobile device and the control device.
The operation of the vehicle by remote control can be used to provide an automatic parking manoeuvre for the motor vehicle, for example to park the vehicle in a tight parking space. In order to keep the operation of the motor vehicle by remote control safe, the method according to the invention comprises two conditions that need to be fulfilled. The first condition is the agreement of communication protocol by the mobile device and the control device and the second condition is the operation of the dead man's switch proving feedback about the user's engagement. These two conditions can ensure safe operation.
The communication between the mobile device and the on-board control device can be built with Bluetooth low energy (Bluetooth LE) that advantageously decreases a chance of potential failures. The communication is performed based on the predetermined communication protocol. Particularly, the messages specified in the communication protocol are periodically or cyclically and continuously transmitted between the mobile device and the control device. Once the communication between the mobile device and the control device deviates from the communication protocol, the operation of the vehicle by remote control is terminated or interrupted.
The dead man's switch is a switch that is automatically operated if the user becomes incapacitated, such as through loss of consciousness or being bodily removed from control. In other words the dead man's switch is engaged or activated when the user intentionally operates the dead man's switch and the dead man's switch is disengaged or deactivated when the user intentionally or unintentionally releases the dead man's switch. The dead man's switch keeps the driver engaged during the automatic parking manoeuvre and allows the driver to terminate the parking procedure in case of potential damage or injury caused by the parking procedure. Thus, the dead man's switch allows the user to disengage and turn off the parking procedure. The time period for safe operation depends on human reaction time, e.g. 90 milliseconds. Thus, the maximum time delay for safely stopping the car during an automatic parking procedure is about 90 milliseconds. This would allow the car at a rated parking speed to come to a complete stop in less than eight inches.
Since the remote control is terminated in case of a deviation from the communication protocol and/or in case of a disengagement of the dead man's switch the method provides a particularly safe operation of the motor vehicle by remote control.
Advantageously, health and status information of the mobile device specified in the communication protocol are transmitted by the mobile device to the control device and predetermined responses to the mobile device's health and status information specified in the communication protocol are transmitted by the control device to the mobile device. The communication protocol can be a challenge-response authentication, wherein the mobile device presents a question also referred to as a "challenge" and the control device must provide a valid answer also referred to as a "response" to be authenticated. The challenge-response authentication is also referred to as a "heart beat", which tests the processing of processors of the devices and gives a reasonable affirmation that the communications link between the two devices is trustworthy. The messages sent by the mobile devices are health and status information. The health and status information can comprise screen coordinates read from a screen of the mobile device and transmitted to the control device to ensure that the hardware is working correctly. Alternatively or additionally, the health and status information can comprise manoeuvre data or manoeuvre choice for the motor vehicle and/or operating system health information of the mobile device transmitted as binary data from the mobile device operating system and/or hardware health information of the mobile device transmitted as binary data from the mobile device hardware.
The motor vehicle, in particular the control device or ECU, then has to answer this communication message with the expected information within a predetermined time period, e.g. in 30 milliseconds. The heart beat then needs to be verified by the mobile device or handset to ensure this communication is valid and within operational limits.
In an advantageous development, a second health and status information is transmitted by the mobile device to the control device, if the control device does not respond to a first health and status information transmitted to the control device by the mobile device and/or if the control device's response to the first health and status information is invalid, wherein the operation of the vehicle by remote control is stopped, if the control device does not respond to the second health and status information and/or if the control device's response to the second health and status information is invalid.
If the ECU does not respond or the health and status information is outside of specific boundaries thus the health and status information is invalid, another message is then sent by the mobile device. If the control device does not respond to the second message or boundary conditions continue to not be met, no further messages are sent and the control device stops the car. For example, the time period required in case of transmission delay is about 60 milliseconds given that each of the first and second messages requires 30 milliseconds. For a required 90-millisecond safety shut off time to stop the operation by remote control, this allows 30 milliseconds for the ECU to abort the driving manoeuvre which is the worst-case scenario for this process.
The dead man's switch can also have control over the communication process. When the dead man's switch is disengaged the mobile device stops sending messages and therefore stops the process.
In a preferred embodiment, the dead man's switch is formed as a virtual operating device displayed on a screen operable by touching the screen at at least one predetermined position, wherein the disengagement of the dead man's switch is detected, if the user stops touching the screen and/or if the user stops moving.
The dead man's switch preferably uses the mobile device's accelerometers, Bluetooth LE proximity mechanism, and touch sensor as inputs to determine if the user is still engaged with the parking process. All this data is aggregated and the mobile device continues the communication and parks the car.
The dead man's switch can be formed as an application, or app, for the mobile device. For engaging the dead man's switch the user presses the screen in a desired start location, e.g. near the center of the screen, where the operating device is displayed. Then the user slides his finger up, for example about an inch, to a second position and then holds his finger in that second position for the entire time it takes the vehicle to complete the parking manoeuvre. While the user is pressing his finger against the screen the software control of the dead man's switch can also collect micro-movements from the touch sensor and changes in the accelerometer to determine if the user is still engaged. When the user or the driver presses and holds the dead man's switch he makes several small movements that can be determined by the mobile device. To disengage the dead man's switch the user can pick up his finger and the communication process is stopped. The solution for the dead man's switch from a usability perspective is easy to deactivate and unassuming to the user. This allows for very easy activation of the desired automatic stop in case of system failure and also has the added benefit of stopping the parking function in case the user has become impaired, e.g. because of a heart attack or seizure.
In addition, the invention relates to a system comprising a mobile device and a control device, wherein the mobile device and the control device are configured to perform a method according to the preceding description. The mobile device can be formed as a mobile phone, preferably as a smart phone, a tablet PC or the like.
The preferred embodiments presented with respect to the method according to the invention and the advantages thereof correspondingly apply to the system according to the invention.
Further advantages, features, and details of the invention derive from the following description of preferred embodiments as well as from the drawings. The features and feature combinations previously mentioned in the description as well as the features and feature combinations mentioned in the following description of the figures and/or shown in the figures alone can be employed not only in the respectively indicated combination but also in other combination or taken alone without leaving the scope of the invention.
The drawings show in: Fig. 1 a schematic illustration of an embodiment of a system according to the invention; Fig. 2 a schematic illustration of a mobile device of an embodiment of a system according to the invention; Fig. 3 a schematic illustration of the mobile device according to Fig. 2 with a user who starts to engage the dead man's switch; and, Fig. 4 a schematic illustration of the mobile device according to Fig. 2 with a user who engages the dead man's switch.
In the figures the same element or elements having the same function are indicated by the same reference signs.
Fig. 1 shows a motor vehicle 10 which is operated by remote control by a user 12 outside the motor vehicle 10 using a mobile device 14. The mobile device 14 can be formed as a Smartphone or a tablet PC. By operating the motor vehicle 10 by remote control the motor vehicle 10 can be automatically parked in a parking space 16. For providing the automated parking manoeuvre the mobile device 14 of the user 12 communicates with a control device 18 or ECU of the motor vehicle 12. The mobile device 14 and the control device 18 form a system 20, wherein a wireless communication between the mobile device 14 and the control device 18 is provided.
The communication process between the mobile device 14 and the control device 18 is specified in a predetermined communication protocol. The communication protocol is a system of rules that allow the mobile device 14 and the control device 18 to transmit information or messages 22, 24. For example, these rules define the syntax, semantics and synchronization of the communication and possible error recovery methods. Each message 22, 24 has an exact meaning intended to elicit a response from a range of possible responses predetermined for a particular message 22, 24. Here, the mobile device 14 sends health and status information as messages 22 to the control device 18. The health and status information can comprise screen coordinates read from the mobile device's screen 30 and/or a manoeuvre choice for the vehicle 10 and/or operating system health information of the mobile device 14 and/or hardware health information of the mobile device 14. In response to the message 22 sent by the mobile device 14, the control device 18 sends a message 24 comprising a predetermined response to the message 22 of the mobile device 14.
The mobile device 14 verifies the message 24. If the message 24 of the control device 18 is valid, the operation of the motor vehicle 10 by remote control is maintained. If the message 24 of the control device 18 is invalid and/or if the control device 18 does not respond to the message 22, the mobile device 14 sends another, second message 22 to the control device 18. If the message 24 sent by the control device 18 in response to the second message 22 is again invalid and/or if the control device 18 again does not respond to the second message 22, no more messages 22 are sent by the mobile device 14 and the control device 18 stops the motor vehicle 10. The operation by remote control is interrupted by the control device 18.
The mobile device 14 comprises a dead man's switch 26 operable by the user 12. The operation by remote control is only performed if the communication protocol is agreed upon by the mobile device 14 and the control device 18 and if the dead man's switch 26 is engaged by the user 12. If the user 12 disengages the dead man's switch, for example intentionally in order to stop the motor vehicle 10 or unintentionally because of loss of consciousness, the operation by remote control is also interrupted by the control device 18.
Fig. 2 shows an embodiment of the mobile device 14 in the form of a Smartphone equipped with the dead man's switch 26. The dead man's switch 26 is formed as an operating device 28 in the form of a circle displayed on the screen 30 of the mobile device 14. The circle is located at a first position 32 on the screen 30. To engage the dead man's switch 26 the user 12 presses the circle with his thumb 36 by touching the screen 30 at the first position 32. This is shown in Fig. 3. The dead man's switch 26 is engaged as soon as the user 12 shifts the circle to a second position 34 on the screen 30 by moving i.e. sliding his thumb 36 to the second position 34. As long as the user 12 keeps his thumb 36 and the circle at the second position 34, the dead man's switch 26 is engaged or activated. This is shown in Fig. 4. In order to disengage or deactivate the dead man's switch 26 the user 12 can lift his thumb 36 and thus stops pressing or touching the screen 30. After disengaging the dead man's switch 26 the mobile device 14 stops sending messages 22. Thereupon, the control device 18 interrupts the operation of the motor vehicle 10 by remote control.
List of reference signs motor vehicle 12 user 14 mobile device 16 parking space 18 control device system 22, 24 messages 26 dead man's switch 28 operating device screen 32 first position 34 second position 36 thumb

Claims (6)

  1. Claims 1. A method for operating a motor vehicle (10) by remote control by means of a mobile device (14) comprising the steps: - Providing a communication protocol for wireless communication between a control device (18) of the motor vehicle (10) and the mobile device (14); - Providing the wireless communication between the control device (18) and the mobile device (14), wherein messages (22, 24) specified in the communication protocol are transmitted between the control device (18) and the mobile device (14); characterized in - Providing a dead man's switch (26) for the mobile device (14) operable by a user (12) of the mobile device (14); - Operating the motor vehicle (10) by remote control as long as a user's (12) engagement of the dead man's switch (26) is detected by the mobile device (14) and as long as the communication protocol is agreed upon by the mobile device (14) and the control device (18).
  2. 2. The method according to claim 1, characterized in that health and status information of the mobile device (14) specified in the communication protocol are transmitted by the mobile device (14) to the control device (18) and predetermined responses to the mobile device's (14) health and status information specified in the communication protocol are transmitted by the control device (18) to the mobile device (14).
  3. 3. The method according to claim 2, characterized in that screen coordinates read from a screen (30) of the mobile device (14) and/or manoeuvre data for the motor vehicle (10) and/or operating system health information of the mobile device (14) and/or hardware health information of the mobile device (14) are transmitted to the control device (18) by the mobile device (14) as the health and status information of the mobile device (14).
  4. 4. The method according to claim 2 or 3, characterized in that a second health and status information is transmitted by the mobile device (14) to the control device (18), if the control device (14) does not respond to a first health and status information transmitted to the control device (18) by the mobile device (14) and/or if the control device's (18) response to the first health and status information is invalid, wherein the operation of the vehicle (10) by remote control is stopped, if the control device (18) does not respond to the second health and status information and/or if the control device's (18) response to the second health and status information is invalid.
  5. 5. The method according to any one of the preceding claims, characterized in that the dead man's switch (26) is formed as a virtual operating device (28) displayed on the screen (30) operable by touching the screen (30) at at least one predetermined position (32, 34), wherein the disengagement of the dead man's switch (26) is detected if the user (18) stops touching the screen (30) and/or if the user (12) stops moving.
  6. 6. A system (20) comprising a mobile device (14) and a control device (18), wherein the mobile device (14) and the control device(14) are configured to perform a method according to any one of the preceding claims.
GB1522634.3A 2015-12-22 2015-12-22 Method for operating a motor vehicle by remote control Withdrawn GB2534471A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1522634.3A GB2534471A (en) 2015-12-22 2015-12-22 Method for operating a motor vehicle by remote control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1522634.3A GB2534471A (en) 2015-12-22 2015-12-22 Method for operating a motor vehicle by remote control

Publications (2)

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GB201522634D0 GB201522634D0 (en) 2016-02-03
GB2534471A true GB2534471A (en) 2016-07-27

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Cited By (47)

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