KR102602767B1 - Vehicle remote control device and method based on user access direction tracking - Google Patents

Abstract

The present invention relates to a vehicle remote control device based on user approach direction tracking. In the vehicle remote control device, movement and direction information of the device are measured through a sensor, and data is transmitted to the vehicle through a terminal communication unit for authentication. A portable device that transmits movement information of the measured device and transmits control information selected by the driver after completion of authentication through the communication unit; and a plurality of vehicle communication units for connection with the portable device, and upon first connection with the portable device, receive primary movement information of the device from the portable device and then receive secondary movement information of the device from the portable device. It includes a remote control module for a vehicle that receives, compares the received primary and secondary movement information of the device, and requests a remote control service from the vehicle controller according to similarity.

Description

Vehicle remote control device and method based on user access direction tracking}

The present invention relates to a vehicle remote control device and method based on tracking the user's approach direction, and more specifically, to a vehicle remote control device and method based on tracking the user's approach direction, which remotely controls the vehicle by detecting the movement of a portable device carried by the driver. It's about.

In the existing smart key system, when a driver holding a smart key approaches his vehicle, the vehicle recognizes the smart key within the communication range of the SMK module.

To this end, in the existing smart key system, the smart key module transmits a request signal to the smart key through low frequency (LF), and the smart key transmits a response signal to the smart key module through radio frequency.

However, the conventional smart key system has a problem in that it can only detect the location of the smart key (fob) within about 5 meters due to limitations in the output strength of the communication signal used by the vehicle's smart key module and the smart key.

The present invention was created to solve the conventional problems. The purpose of the present invention is to authenticate the connection of the portable device by comparing the movement information of the device provided through the portable device, and to authenticate the connection of the portable device according to the control provided through the authenticated portable device. The objective is to provide a vehicle remote control device and method based on user approach direction tracking that provides remote control services.

In addition, another object of the present invention is to provide a vehicle remote control device and method based on user approach direction tracking that can increase the recognition distance for remote control of a vehicle compared to a conventional smart key system using existing low frequencies.

The object of the present invention is not limited to the object mentioned above, and other objects not mentioned will be clearly understood by those skilled in the art from the description below.

In order to achieve the above object, a vehicle remote control device based on user approach direction tracking according to an embodiment of the present invention is a vehicle remote control device that measures the movement and direction information of the device through a sensor, and measures the vehicle's movement and direction information through a terminal communication unit. When transmitting data to the device, a portable device transmits movement information of the device measured for authentication and transmits control information selected by the driver through the communication unit after completion of authentication; and a plurality of vehicle communication units for connection with the portable device, and upon first connection with the portable device, receive primary movement information of the device from the portable device and then receive secondary movement information of the device from the portable device. It includes a remote control module for a vehicle that receives, compares the received primary and secondary movement information of the device, and requests a remote control service from the vehicle controller according to similarity.

It is preferable that the terminal communication unit and the vehicle communication unit use a Bluetooth communication protocol or a UWB communication protocol.

Meanwhile, the vehicle remote control module employed in one embodiment of the present invention divides the first area and the second area using an arbitrary reception strength threshold, and receives the primary movement information of the device from the portable device in the first area. It is desirable to receive and receive secondary movement information of the device in the second area.

In addition, another remote control module for the vehicle employed in one embodiment of the present invention may receive the primary movement information of the device through the vehicle communication unit and then receive secondary movement information of the device through another vehicle communication unit. there is.

Meanwhile, another remote control module for the vehicle employed in one embodiment of the present invention receives primary movement information of the device from the portable device and, after a preset time, receives secondary movement information of the device from the portable device. You can receive it.

On the other hand, the vehicle remote control module compares the received primary and secondary movement information of the device, determines the moving direction of the portable device, and opens and closes the door with the vehicle controller according to the moving direction of the portable device. Request remote control service to support.

In addition, the vehicle remote control module compares the received primary and secondary movement information of the device, and if the movement of the portable device maintains the same direction as the secondary movement information, the remote control module for opening and closing the driver's door Request control service to the vehicle controller.

Meanwhile, the vehicle remote control module compares the received primary and secondary movement information of the device, and if the movement of the portable device changes in a direction greater than a preset angle with respect to the secondary movement information, all doors of the vehicle Request remote control service to open and close the vehicle controller.

In addition, the vehicle remote control module compares the received primary and secondary movement information of the device, and when the moving direction of the portable device changes in the opposite direction to the secondary movement information, the remote control module for re-locking the opened or closed door Request control service to the vehicle controller.

Conversely, if the portable device moves away from the vehicle, the open door can be locked using the primary and secondary movement information.

A vehicle remote control method based on user approach direction tracking according to an embodiment of the present invention includes the steps of a vehicle remote control module periodically searching for entry of a portable device within a communication range; The vehicle remote control module receiving first movement information of the device from a portable device connected within a communication range through each vehicle communication unit; Receiving second movement information of the device from the portable device to which the vehicle remote control module is connected; determining, by the vehicle remote control module, whether the direction of the mobile device included in the first movement information of the device and the second movement information of the device received from the portable device is within an error range; And in the determination step, if the direction of the mobile device included in the first movement information of the device and the second movement information of the device is within the error range, the vehicle remote control module requests a remote control service from the vehicle controller. do.

It is preferable that the terminal communication unit and the vehicle communication unit use a Bluetooth communication protocol or a UWB communication protocol.

Meanwhile, the step of receiving the first and second movement information of the device employed in one embodiment of the present invention involves dividing the first area and the second area using an arbitrary reception strength threshold, and dividing the first area into the second area. First movement information of the device is received from the portable device, and secondary movement information of the device is received from the second area.

And the step of receiving the first and second movement information of the other device employed in one embodiment of the present invention includes receiving the first movement information of the device through the vehicle communication unit and then receiving the first movement information of the device through the other vehicle communication unit. Secondary movement information can be received.

In addition, the step of receiving the first and second movement information of the device employed in another embodiment of the present invention includes receiving the first movement information of the device from the portable device, and after a preset time, the portable device Secondary movement information of the device can be received from the device.

Meanwhile, in the step of requesting a remote control service from the vehicle controller, the received primary and secondary movement information of the device are compared, the moving direction of the portable device is determined, and the vehicle is operated according to the moving direction of the portable device. Request remote control service to support opening and closing the door with the controller.

Here, in the step of requesting a remote control service from the vehicle controller, after comparing the received primary and secondary movement information of the device, if the movement of the portable device maintains the same direction as the secondary movement information, the driver's Request remote control service to open and close the door from the vehicle controller.

In addition, in the step of requesting a remote control service from the vehicle controller, after comparing the received primary and secondary movement information of the device, the movement of the portable device changes to a direction greater than a preset angle with respect to the secondary movement information. When this happens, a remote control service to open and close all doors of the vehicle is requested from the vehicle controller.

Meanwhile, in the step of requesting a remote control service from the vehicle controller, after comparing the received primary and secondary movement information of the device, if the moving direction of the portable device is changed in the opposite direction to the secondary movement information, the opened and closed device is opened and closed. Request a remote control service to re-lock the door from the vehicle controller.

According to one embodiment of the present invention, by authenticating the portable device by comparing device movement information provided from the portable device, there is an effect of providing a remote control service for the vehicle through the portable device.

In addition, according to the terminal communication unit and the vehicle communication unit employed in one embodiment of the present invention, there is an effect of providing a long-distance service compared to a conventional smart key system that can determine the location of the FOB only within 5m.

1 is a functional block diagram illustrating a vehicle remote control device based on user approach direction tracking according to an embodiment of the present invention.
Figure 2 is a reference diagram for explaining the operation of a vehicle remote control device based on user approach direction tracking according to an embodiment of the present invention.
Figure 3 is a reference diagram for explaining the process of receiving first and second movement information of a device in a vehicle remote control device based on user approach direction tracking according to an embodiment of the present invention.
Figure 4 is a flowchart illustrating a vehicle remote control method based on user approach direction tracking according to an embodiment of the present invention.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms. The present embodiments only serve to ensure that the disclosure of the present invention is complete and that common knowledge in the technical field to which the present invention pertains is not limited. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Meanwhile, the terms used in this specification are for describing embodiments and are not intended to limit the present invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, “comprises” and/or “comprising” means that a referenced element, step, operation and/or element precludes the presence of one or more other elements, steps, operations and/or elements. or does not rule out addition.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

Figure 1 is a functional block diagram for explaining a vehicle remote control device based on user approach direction tracking according to an embodiment of the present invention. As shown in FIG. 1, a vehicle remote control device based on user approach direction tracking according to an embodiment of the present invention includes a portable device 100 and a vehicle remote control module 200.

The portable device 100 measures the movement and direction information of the device, and when transmitting data to the vehicle through the communication unit 130, the movement information including the movement and direction information of the device measured for authentication is sent to the remote control for the vehicle. It is delivered to the module 200. The portable device 100 employed in one embodiment of the present invention includes a sensing unit 110 that measures movement and direction information of the device, and a vector estimation operation from the movement and direction information of the device measured through the sensing unit 110. It includes a calculation unit 120 that calculates the movement information of the device through and a communication unit 130 that transmits the movement information calculated through the calculation unit 120 to the vehicle remote control module 200. Such portable devices 100 may be devices such as smart keys and smartphones. It is preferable that the sensing unit 110 of the portable device 100 employed in one embodiment of the present invention is a 3-axis acceleration sensor 110.

And after completion of authentication from the vehicle remote control module 200, the portable device 100 transmits the control information selected by the driver to the vehicle remote control module 200 through the communication unit 130. For example, the portable device 100 may provide control information such as unlocking a vehicle door or remote starting.

In addition, the vehicle remote control module 200 is provided with a plurality of communication units 210 for connection with the portable device 100, and when first connected to the portable device 100, the device is transmitted from the portable device 100. Upon receiving the primary movement information, and then receiving the secondary movement information of the device from the portable device 100, the received primary and secondary movement information of the device are compared and the vehicle controller of the vehicle is operated according to similarity. Request remote control service.

This vehicle remote control module 200 includes a plurality of communication units 210 for connection with the portable device 100, and compares the primary movement information of the device and the secondary movement information of the device received through the communication unit 210. It is desirable to include a position determination unit 220. In other words, if the error between the primary movement information of the device and the secondary movement information of the device is less than or equal to a certain value, the location determination unit 220 may determine that the direction of approach toward the vehicle is constant.

As such, according to one embodiment of the present invention, by authenticating the portable device by comparing device movement information provided from the portable device, there is an effect of providing a remote control service for the vehicle through the portable device.

Meanwhile, the terminal communication unit 130 and the vehicle communication unit 210 employed in an embodiment of the present invention may use various long-distance wireless communication protocols, but the communication distance between the vehicle and the portable device 100 may be 10 m or more. In this case, as supplementary problems such as intrusion by others may occur, it is preferable to use a Bluetooth communication protocol with a communication distance of about 10m, but it is not limited to this and the UWB communication protocol may also be used.

According to the communication unit employed in this embodiment of the present invention, there is an effect of providing a long-distance service compared to the conventional smart key system that can determine the location of the FOB only within 5m.

Meanwhile, as shown in FIG. 2, the vehicle remote control module 200 employed in one embodiment of the present invention divides the first area (Z1) and the second area (Z2) using an arbitrary reception strength threshold. It is preferable to receive primary movement information of the device from the portable device 100 in the first area (Z1) and receive secondary movement information of the device in the second area (Z2). At this time, the vehicle remote control module 200 can check whether the portable device 100 has entered the communication range through a positioning algorithm.

According to the vehicle remote control module employed in this embodiment of the present invention, the portable device is authenticated by comparing the reception area classification and the movement information of the portable device in the divided receiving area, and the vehicle's long-distance service is provided based on this information. It has the effect of providing.

Meanwhile, as shown in FIG. 3, the remote control module 200 for another vehicle employed in one embodiment of the present invention receives the primary movement information of the device through the communication unit 210-1 and then receives the primary movement information of the device through the communication unit 210-1. The secondary movement information of the device can be received through (one of 210-2 to 210-n).

On the other hand, another vehicle remote control module 200 employed in one embodiment of the present invention receives the primary movement information of the device from the portable device 100 and, after a preset time, receives the device's primary movement information from the portable device 100. Secondary movement information of the device can be received. For example, the vehicle remote control module 200 can distinguish between the primary movement information of the device and the secondary movement information of the device through ToF (Time of Flight) of the movement information received from the portable device 100.

As such, according to another remote control module for a vehicle employed in an embodiment of the present invention, there is an effect of providing a long-distance service to the vehicle without dividing the reception area through reception strength.

On the other hand, the vehicle remote control module 200 compares the received primary and secondary movement information of the device, determines the movement direction of the portable device 100, and determines the movement direction of the portable device 100. Accordingly, a remote control service is requested to support the opening and closing of the door using the vehicle controller.

Here, the vehicle remote control module compares the received primary and secondary movement information of the device, and if the movement of the portable device maintains the same direction as the secondary movement information, the remote control module for opening the driver's door Control services can be requested from the vehicle controller. In this way, if the movement of the portable device maintains the same direction as the secondary movement information, the vehicle remote control module determines that the driver is simply sitting in the driver's seat and provides a remote control service to the vehicle controller to open only the driver's seat door. You can request it with .

Conversely, when the portable device moves away from the vehicle, the vehicle remote control module may request a remote control service for locking the open door from the vehicle controller through primary and secondary movement information.

Meanwhile, after comparing the received primary and secondary movement information of the device, the vehicle remote control module 200 changes the movement of the portable device 100 to a direction greater than a preset angle with respect to the secondary movement information. When this happens, a remote control service to open and close all doors of the vehicle is requested from the vehicle controller.

In this way, the vehicle remote control module 200 moves the portable device 100 in a direction greater than a preset angle with respect to the secondary movement information of the device, thereby opening all doors so that not only the driver but also other passengers can get in. Remote control service for opening and closing can be requested from the vehicle controller.

In addition, the vehicle remote control module compares the received primary and secondary movement information of the device, and when the moving direction of the portable device changes in the opposite direction to the secondary movement information, the remote control module for re-locking the opened or closed door Request control service to the vehicle controller.

In this way, the vehicle remote control module has the advantage of being able to lock the opened door again if the direction of movement of the portable device changes after opening the door by comparing the received primary and secondary movement information of the device. .

A vehicle remote control method based on user approach direction tracking according to an embodiment of the present invention will be described with reference to FIG. 4.

The vehicle remote control method based on user approach direction tracking according to an embodiment of the present invention is preferably performed by the vehicle remote control module 200.

First, the vehicle remote control module 200 periodically searches for entry of the portable device 100 within the communication range (S110).

Next, the vehicle remote control module 200 receives the first movement information of the device from the portable device 100 connected within the communication range through each communication unit 130 (S120).

Then, the vehicle remote control module 200 receives second movement information of the device from the connected portable device 100 (S130).

Thereafter, the vehicle remote control module 200 determines whether the direction of the portable device included in the first movement information of the device and the second movement information of the device received from the portable device 100 is within the error range (S140) ).

If, in the determination step (S140), the direction of the portable device included in the first movement information of the device and the second movement information of the device is within the error range (YES), the vehicle remote control module 200 is operated by the vehicle controller. Request remote control service (S150).

Meanwhile, in the determination step (S140), if the first movement information of the device and the second movement information of the device exceed the error range (NO), the vehicle remote control module 200 connects the portable device 100 within the communication range. Search again for entry (S110).

On the other hand, the terminal communication unit 130 employed in one embodiment of the present invention may use various long-distance wireless communication protocols, but when the communication distance between the vehicle and the portable device 100 is 10 m or more, intrusion by others is possible. Since supplementary problems such as the like may occur, it is preferable to use a Bluetooth communication protocol with a communication distance of about 10m, but it is not limited to this and the UWB communication protocol may also be used.

According to the terminal communication unit and the vehicle communication unit employed in this embodiment of the present invention, there is an effect of providing long-distance services compared to the conventional smart key system that can determine the location of the FOB only within 5m.

Meanwhile, the vehicle remote control module 200 employed in one embodiment of the present invention distinguishes the first area (Z1) and the second area (Z2) using an arbitrary reception strength threshold, and the first area (Z1) ), it is desirable to receive the primary movement information of the device from the portable device 100 and receive the secondary movement information of the device in the second area.

According to the vehicle remote control module 200 employed in this embodiment of the present invention, the portable device 100 is authenticated by comparing the reception area classification and the movement information of the portable device 100 in the divided receiving area, Based on this information, it is effective in providing long-distance vehicle services.

On the other hand, the step of receiving the first and second movement information of the device employed in one embodiment of the present invention involves the remote control module 200 receiving the first movement information of the device from the portable device 100. And, after a preset time, secondary movement information of the device can be received from the portable device 100. For example, the vehicle remote control module 200 can distinguish between the primary movement information of the device and the secondary movement information of the device through ToF (Time of Flight) of the movement information received from the portable device 100.

In this way, according to the step of receiving the first and second movement information of another device employed in one embodiment of the present invention, there is an effect of providing a long-distance service for the vehicle without dividing the reception area through reception strength. there is.

On the other hand, in another step of receiving the first and second movement information of the device employed in one embodiment of the present invention, as shown in FIG. 3, the first movement information of the device is received by the vehicle communication unit 210. After receiving it through -1), the secondary movement information of the device can be received through another vehicle communication unit (one of 210-2 to 210-n).

In this way, according to the step of receiving the first and second movement information of another device employed in one embodiment of the present invention, there is an effect of providing a long-distance service for the vehicle without dividing the reception area through reception strength. there is.

Meanwhile, the step of requesting a remote control service from the vehicle controller (S150) compares the received primary and secondary movement information of the device, determines the moving direction of the portable device, and determines the moving direction of the portable device. Accordingly, a remote control service is requested to support the opening and closing of the door using the vehicle controller.

In this step of requesting a remote control service from the vehicle controller (S150), after comparing the received primary and secondary movement information of the device, if the movement of the portable device maintains the same direction as the secondary movement information, A remote control service to open and close the driver's door can be requested from the vehicle controller.

In this way, if the movement of the portable device maintains the same direction as the secondary movement information, the vehicle remote control module determines that the driver is simply sitting in the driver's seat and provides a remote control service to the vehicle controller to open only the driver's seat door. You can request it with .

On the other hand, in the step of requesting a remote control service from the vehicle controller (S150), after comparing the received primary and secondary movement information of the device, the movement of the portable device is determined at a preset angle with respect to the secondary movement information. If changed in the above direction, a remote control service for opening and closing all doors of the vehicle can be requested from the vehicle controller.

In this way, the vehicle remote control module 200 moves the portable device 100 in a direction greater than a preset angle with respect to the secondary movement information of the device, thereby opening all doors so that not only the driver but also other passengers can get in. Remote control service for opening and closing can be requested from the vehicle controller.

Meanwhile, in the step of requesting a remote control service from the vehicle controller (S150), after comparing the received primary and secondary movement information of the device, if the movement direction of the portable device changes in the reverse direction to the secondary movement information , You can request a remote control service to re-lock the opened or closed door from the vehicle controller.

In this way, the vehicle remote control module has the advantage of being able to lock the opened door again if the direction of movement of the portable device changes after opening the door by comparing the received primary and secondary movement information of the device. .

Above, the configuration of the present invention has been described in detail with reference to the accompanying drawings, but this is merely an example, and those skilled in the art will be able to make various modifications and changes within the scope of the technical idea of the present invention. Of course this is possible. Therefore, the scope of protection of the present invention should not be limited to the above-described embodiments, but should be determined by the description of the claims below.

100: portable device 110: sensing unit
120: calculation unit 130: terminal communication unit
200: Vehicle remote control module 210: Vehicle communication unit
220: Location determination unit

Claims (18)

In the vehicle remote control device,
The movement and direction information of the device is measured through a sensor, and when data is transmitted to the vehicle through the terminal communication unit, the movement information of the device measured for authentication is transmitted, and the control information selected by the driver is sent to the communication unit after completion of authentication. Portable devices transmitting through; and
Equipped with a plurality of vehicle communication units for connection with the portable device, and upon first connection with the portable device, receives primary movement information of the device from the portable device and then receives secondary movement information of the device from the portable device. and a remote control module for a vehicle that compares the received primary and secondary movement information of the device and requests a remote control service from the vehicle controller based on similarity,
The remote control module for the vehicle is,
After receiving the primary movement information of the device through the vehicle communication unit, receive the secondary movement information of the device through other vehicle communication units provided in each door of the vehicle,
The remote control module for the vehicle is,
After comparing the received primary and secondary movement information of the device, determine the direction of movement of the portable device,
If the movement of the portable device maintains the same direction as the secondary movement information, a remote control service to open the driver's door is requested from the vehicle controller,
If the movement of the portable device changes in a direction greater than the preset angle for the secondary movement information, a remote control service to open all doors of the vehicle is requested from the vehicle controller,
When the moving direction of the portable device changes in the direction opposite to the secondary movement information, a remote control service for re-locking the open door is requested from the vehicle controller.
Vehicle remote control device based on user approach direction tracking.
According to clause 1,
The terminal communication unit and the vehicle communication unit,
A vehicle remote control device based on user approach direction tracking that uses the Bluetooth communication protocol or UWB communication protocol.
According to clause 1,
The remote control module for the vehicle is,
A first area and a second area are distinguished using an arbitrary reception strength threshold, and primary movement information of the device is received from the portable device in the first area, and secondary movement information of the device is received in the second area. A vehicle remote control device based on user approach direction tracking, characterized in that.
delete According to clause 1,
The remote control module for the vehicle is,
A vehicle remote control device based on user approach direction tracking, characterized in that it receives primary movement information of the device from the portable device and, after a preset time, receives secondary movement information of the device from the portable device.
delete delete delete delete A vehicle remote control module periodically searching for entry of a portable device within a communication range;
The vehicle remote control module receiving first movement information of the device from a portable device connected within a communication range through each vehicle communication unit;
Receiving second movement information of the device from the portable device to which the vehicle remote control module is connected;
determining, by the vehicle remote control module, whether the direction of the mobile device included in the first movement information of the device and the second movement information of the device received from the portable device is within an error range; and
In the determination step, if the direction of the mobile device included in the first movement information of the device and the second movement information of the device is within the error range, the vehicle remote control module requests a remote control service from the vehicle controller. ,
The step of receiving the first and second movement information of the device includes:
After receiving the primary movement information of the device through the vehicle communication unit, receive the secondary movement information of the device through other vehicle communication units provided in each door of the vehicle,
The step of requesting a remote control service from the vehicle controller is,
After comparing the received primary and secondary movement information of the device, the direction of movement of the portable device is determined,
If the movement of the portable device maintains the same direction as the secondary movement information, a remote control service to open the driver's door is requested from the vehicle controller,
If the movement of the portable device changes in a direction greater than the preset angle for the secondary movement information, a remote control service to open all doors of the vehicle is requested from the vehicle controller.
When the moving direction of the portable device changes in the direction opposite to the secondary movement information, a remote control service for re-locking the open door is requested from the vehicle controller.
Vehicle remote control method based on user approach direction tracking.
According to clause 10,
The terminal communication department and vehicle communication department,
A vehicle remote control method based on user approach direction tracking using a Bluetooth communication protocol or UWB communication protocol.
According to clause 10,
The step of receiving the first and second movement information of the device includes:
A first area and a second area are distinguished using an arbitrary reception strength threshold, and primary movement information of the device is received from the portable device in the first area, and secondary movement information of the device is received in the second area. A vehicle remote control method based on user approach direction tracking, characterized in that.
delete According to clause 10,
The step of receiving the first and second movement information of the device includes:
A vehicle remote control method based on user approach direction tracking, comprising receiving primary movement information of the device from the portable device and receiving secondary movement information of the device from the portable device after a preset time.
delete delete delete delete

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