KR102462709B1 - Common platform for communication of open electric vehicles - Google Patents

Abstract

The present invention relates to a common platform for communication of an open type electric vehicle, comprising: an input means comprising GNSS, IMU, LiDAR, an imaging device and a radar; a data transmission means for integrally transmitting various sensor and image data applied from the input means in an HDBT method; and a data receiving means for performing cluster-based computing calculations on various sensor data and image data that are connected to the data transmission means and applied through a plurality of lines, and transmits various sensors connected to the electric vehicle by integrating HDBase-T The wiring is simplified because it is connected in a daisy chain, that is, serially connected, processes data signals in a sequence close to the central processing unit installed in the electric vehicle and stores them, and simplifies the connection between the sensor and HPC (High Performance Computing). There is an effect that the interface of data is made easily in addition to the advantage of being able to.

Description

Common platform for communication of open electric vehicles

The present invention relates to a common platform for communication of an open electric vehicle, and more particularly, by applying a daisy chain method, storing the same data (DATA) and simplifying the sensor and HPC (High Performance Computing) connection cable while simplifying the electric vehicle It is about a common platform for communication of open electric vehicles that enables integrated transmission of various sensors connected to HDBT.

Some of the currently commonly used High Definition (HD) transmission cable technologies have a limited transmission speed and a limited size of transmission capacity. Accordingly, there is a problem in that the amount of content increasing day by day cannot be processed at high speed. In addition, since the current HD transmission technology does not support uncompressed video, it is difficult to connect video devices even if they are only several meters away, and HD multimedia integrated content cannot be provided throughout the house and/or office.

Among currently used cables, HDMI (High Definition Multimedia Interface) cables are widely used. Since HDMI cable uses uncompressed transmission method, there is no need to embed a decoder or decoding software, which is a compression area. In addition, in the case of HDMI technology, since signals such as video, audio and/or control can be transmitted through a single cable using a format that integrates signals such as video, audio and/or control into one digital interface, existing complex audio/video (AV) devices It has the advantage of simplifying the connection wiring.

However, in the case of HDMI technology, only one-way service from the multimedia source device to the display device is possible, and there is a problem that only about 15 meters is supported when the length of the cable is long. In addition, in the case of HDMI technology, it is difficult to effectively support an environment in which a plurality of multimedia sources are supported together. For example, HDMI technology has limitations in its use because it does not support USB, networking, and daisy chain methods of serial connection methods.

As a prior document for solving the aforementioned problem, "Method and Device for Message Transmission in Home Network System" of Korean Patent Application Laid-Open No. 2012-0134114 (published on December 11, 2012) transmits packets in a high-definition-based transmission (HDBaseT) system. An apparatus comprising: one or more ports for receiving data from a source device; an HDMI-AV packetizer for converting high-definition multimedia interface (HDMI) data into HDMI packets for transmission in the HDBaseT system; an Ethernet packetizer converting Ethernet data into Ethernet packets for transmission in the HDBaseT system; a USB packetizer converting Universal Serial Bus (USB) data into USB packets for transmission in the HDBaseT system; a downstream link scheduler controlling the transmission order of the HDMI packet, the Ethernet packet, and the USB packet; and a transmitter for transmitting the packets under the control of the downstream link scheduler, wherein the one or more ports include one or more HDMI ports for receiving the HDMI data, one or more Ethernet ports for receiving the Ethernet data, and the one or more USB ports for receiving USB data, wherein the transmitting adapter receives data from the source device through the one or more ports, and the transmitting adapter is configured to transmit the data to a receiving adapter through an HDBaseT network. , converting the downstream using at least one of the HDMI-AV packetizing unit, the Ethernet packetizing unit, and the USB packetizing unit, and transmitting the converted downstream to the receiving adapter using the transmitter, wherein the downstream is characterized in that it includes a hierarchical identifier for identifying HDBaseT entities to which the downstream is to be transmitted.

The above prior literature has a problem in that it is difficult to save the same data (DATA), simplify the sensor and the HPC (High Performance Computing) connection cable, and also transmit the HDBT integrated transmission of various sensors.

That is, since the data transmitted by a plurality of IDs in the prior literature is transmitted for each object, there is a problem that data collision occurs between two mediators according to transmission and reception when data is transmitted to a plurality of objects.

Republic of Korea Patent Publication No. 2012-0134114 (published on December 11, 2012)

In order to solve the above problems, the present invention applies a daisy chain method to simplify the storage of the same data (DATA) and the connection cable between the sensor and HPC (High Performance Computing), while integrating HDBT of various sensors connected to the electric vehicle. The purpose of this is to provide a common platform for communication of open and open electric vehicles that can be transmitted.

The present invention is a means for achieving the above object,

an input means comprising a global navigation satellite system (GNSS), an Inertial Measurement Unit (IMU), a lidar, an imaging device, and a radar; a data transmission means for integrally transmitting various sensor and image data applied from the input means in an HDBT method; It provides a common platform for communication of an open electric vehicle, characterized in that it includes;

The data transmitting means and the data receiving means of the present invention use a dedicated CATx cable. With a single cable of CATx cable or fiber It features HDBT (HDBase-T) connectivity that supports video, audio, USB, control, Ethernet and power transfer.

The data transmission means of the present invention provides uncompressed transmission of up to 2Gbps data including CAN TO USB, Ethernet and RS232 in order to receive data from various sensors while performing audio and serial control between point-to-point and daisy chain methods, infotainment and smart Transmission control unit optimizing for antenna connection; an image transmission control unit for controlling an image applied through the image capturing apparatus; and a transmission unit connected to the data receiving unit by CATx cabling or optical fiber to apply data applied from the transmission control unit and the image transmission control unit to the data receiving unit.

CAN TO USB of the present invention is characterized in that the data is transmitted by converting the CAN communication in the form of parallel data with various sensors into a serial method.

RS232 of the present invention is characterized in that it transmits and receives data by converting the form of parallel data to a serial method.

The video transmission control unit of the present invention is characterized in that when the transmission control unit is configured as an onboard type, data is applied to the data receiving means in a bypass type by CATx cabling or optical fiber.

The data receiving means of the present invention comprises: a receiving unit connected to the data transmitting means through CATx cabling or optical fiber to apply data to a reception control unit and a deserializer; Transmission control unit optimizing for point-to-point and daisy chain method, infotainment and smart antenna connection for audio and serial control while uncompressed transmission of up to 2Gbps data including Ethernet and RS232 to receive data from various sensors; an Ethernet PHY linking to implement a hardware transmission/reception function of Ethernet frames and to interface between the analog domain of Ethernet line modulation and link layer packet signaling; a daisy chain for passing signals over a bus from devices that do not require daisy chain signals to transmit signals; and a deserializer supporting topology with two independent receiver links.

The daisy chain of the present invention is characterized by cabling with dedicated CATx cables or fiber optics for AV integration, supporting video, audio, USB, control, Ethernet and power transmission in a closed and controlled environment with predictable performance. .

The deserializer of the present invention is characterized in that it supports the local CSI-2 local input port at a speed of up to 8 Gbps.

The data receiving means of the present invention. When transmitting the signals of various sensor data and image data applied from the data transmitting means, the data signal is transmitted through a bus to a device that does not require a daisy chain signal, comprising a storage means for storing the signal data and image data of various sensors characterized in that

The present invention integrates and transmits various sensors connected to an electric vehicle with HDBase-T, and connects them in a daisy chain, that is, a serial connection method, to process data signals in a sequence close to the central processing unit installed in the electric vehicle. Since the data is stored and the connection between the sensor and High Performance Computing (HPC) is simplified, wiring is simplified and data interface is facilitated.

In addition, since interference that may occur from the outside is prevented during data signal communication, there is an effect that a malfunction of the data signal does not occur.

The present invention has the effect of simplification of cable wiring by transmitting various sensor data as one signal.

In addition, the present invention has the effect of easy NVIDIA, HPC interface connection and management.

1 is a view showing a common platform for communication of an open electric vehicle of the present invention.
FIG. 2 is a diagram showing the configuration of the data transmitting means shown in FIG. 1; FIG.
FIG. 3 is a diagram showing the configuration of the data receiving means shown in FIG. 1;
1 is a view showing another embodiment of a common platform for communication of an open electric vehicle of the present invention.

Hereinafter, it should be noted that the technical terms used in the present invention are only used to describe specific embodiments, and are not intended to limit the present invention, and the technical terms used in the present invention have a different meaning in particular in the present invention. Unless defined, it should be interpreted in the meaning generally understood by those of ordinary skill in the art to which the present invention pertains, and should not be interpreted in an overly comprehensive sense or in an excessively reduced meaning.

In addition, when the technical term used in the present invention is an incorrect technical term that does not accurately express the spirit of the present invention, it should be understood by being replaced with a technical term that can be correctly understood by those skilled in the art. In addition, general terms used in the present invention should be interpreted as defined in advance or according to the context before and after, and should not be interpreted in an excessively reduced meaning.

In addition, the singular expression used in the present invention includes a plural expression unless the context clearly indicates otherwise. It should not be construed as necessarily including all of several steps, and it should be construed that some components or some steps may not be included, or additional components or steps may be further included.

Hereinafter, a common platform for communication of an open electric vehicle according to the present invention will be described.

A common platform for communication of an open electric vehicle of the present invention includes a Global Navigation Satellite System (GNSS) 110, an Inertial Navigation Unit (IMU) 120, a light detection and ranging (LIDAR) 130, and an image capturing device ( 140) and an input means 100 comprising a radar (RADAR: RAdio Detection And Ranging); a data transmission means 200 for integrally transmitting various sensor and image data applied from the input means in an HDBT method; The data transmitting means 200 and the data receiving means 300 for performing cluster-based computing operation on various sensor data and image data that are connected through a plurality of lines; It features the HDBT integrated transmission of various sensors connected to the electric vehicle while simplifying the storage of the same data (DATA) and connecting the sensors and the HPC (High Performance Computing) cable.

A common platform for communication of an open electric vehicle according to the present invention having the above characteristics will be described in detail with reference to the accompanying drawings.

1 is a diagram showing a common platform for communication of an open electric vehicle of the present invention, FIG. 2 is a diagram showing the configuration of the data transmitting means shown in FIG. 1, and FIG. 3 is a data receiving means shown in FIG. It is a drawing showing the configuration.

Referring to FIGS. 1 to 3 , the common platform for communication of an open electric vehicle of the present invention includes an input means 100 , a data transmission means 200 , and a data reception means 300 .

The input means 100 includes a GNSS 110 , an IMU 120 , a lidar 130 , an image capturing device 140 , and a radar 150 installed in an electric vehicle.

The global navigation satellite system (GNSS) 110 is a satellite positioning system, and provides information about the position, altitude, speed, etc. of an object using artificial satellites.

The inertial measurement unit (IMU_Inertial Measurement Unit) 120 measures the velocity and direction of a moving object, and the acceleration of gravity, and includes a gyroscope, an accelerometer, and a geomagnetic sensor for measuring free movement in three-dimensional space. .

The gyroscope detects a predetermined reference direction, and the accelerometer measures a change in speed to detect a roll, yaw, pitch, etc. of a moving object, and the geomagnetic sensor measures an azimuth. do.

The lidar 130 precisely measures the surroundings by emitting a laser pulse, receiving the light reflected from the surrounding target object, and measuring the distance to the object.

The image photographing device 140 is a camera installed on the front, rear, and side of the electric vehicle, respectively, and provides images of the surroundings of the electric vehicle to be displayed on a display installed on the battlefield. For example, the around view, the rear situation when reversing, the image according to the collision or collision of the electric vehicle is taken and applied to the data transmitting means 200, and the data transmitting means 200 is applied to the data receiving means 300. It is displayed and stored in the data storage means at the same time.

The radar 150 transmits radio waves to measure a distance to an object or a moving direction so that the driver can check the location or approach of the electric vehicle to a nearby vehicle. That is, the radar 150 is installed on the front side and the rear side of the electric vehicle, respectively, and detects motion with respect to the surrounding vehicles of the electric vehicle.

As shown in FIG. 2, the data transmitting means 200 transmits uncompressed data of up to 2 Gbps including CAN TO USB 211, Ethernet 212 and RS232 213 to receive data from various sensors while transmitting audio and A transmission control unit 210 optimizing for point-to-point and daisy chain method, infotainment and smart antenna connection for serial control, and an image transmission control unit formed in plurality to control the image applied through the image capturing device 140 220 and CATx cabling or optical fiber, which is connected to the data receiving means 300 and applies the data applied from the transmission control unit 210 and the image transmission control unit 220 to the data receiving means 300. Transmission unit 230 characterized in that it consists of

The CAN TO USB 211 performs a CAN communication analyzer access function, enables communication between modules in two wires of CAN high and CAN low, and transmits a data signal including an address. After receiving the data, the data receiving means 300 and the image transmission control unit 220 that require the data receive the value.

The Ethernet 212 controls the short-distance communication of the bus structure method. And Ethernet can do with a data rate of 10Mbs, and the network architecture includes two levels underlying the control layer: the physical layer and the data layer. In addition, Ethernet normally operates with a low-level communication volume, but transmits data in a burst state that is close to the allowable communication amount of the network only for a short period of time.

In addition, the RS232 213 converts the form of parallel data to a serial method and transmits the data.

The image transmission control unit 220 is configured in plurality to control the image applied through the image photographing device 140 . In addition, when the transmission control unit 210 is configured in an on-board form, data is applied to the data receiving means 300 in a bypass form by CATx cabling or optical fiber.

In addition, the image transmission control unit 220 receives the image data applied to the image photographing device 140, and applies the received image data to the data receiving means 300 connected to HDBT (HDBase-T).

In addition, the video transmission control unit 220 supports CSI-2 (serializer) input and extension (up to 15m / 50ft) through IPI A-PHY channel specification, bandwidth of 2-8Gbps with up to 4 inline connectors, excellent EMI / Provides EMC performance and supports up to 16 CSI-2 channels.

The transmitter 230 is made of HDBase-T, and the HDBase-T distributes AV signals and has the advantage of easy accessibility for AV integration. It also supports video, audio, USB, control, Ethernet and power transmission up to 100W over a single cable using standard CATx cabling or fiber optics, and using a dedicated standards-based CATx cabling connection.

In addition, the HDBase-T maintains a digital state of a signal from end-to-end, and supports transmission of two or more video signals. Sometimes, depending on the bandwidth available and the HDBaseT device being used, uncompressed video transmission is possible and the transmission latency is low. That is, there is an advantage of good responsiveness due to the fast processing of the data signal.

As shown in FIG. 3 , the data receiving means includes a receiving unit 310 , a receiving control unit 320 , an Ethernet PHY 321 , and a daisy chain 330 .

The receiving unit 310 is connected to the data transmitting means through CATx cabling or optical fiber, and applies the data signal applied from the transmitting unit to the receiving control unit 320 and the deserializer.

The receiver 310 is made of HDBase-T, and the HDBase-T distributes AV signals and has the advantage of easy accessibility for AV integration. It also supports video, audio, USB, control, Ethernet and power transmission up to 100W over a single cable using standard CATx cabling or fiber optics, and using a dedicated standards-based CATx cabling connection.

In addition, the HDBase-T maintains a digital state of a signal from end-to-end, and supports transmission of two or more video signals. Sometimes, depending on the bandwidth available and the HDBaseT device being used, uncompressed video transmission is possible and the transmission latency is low. That is, there is an advantage of good responsiveness due to fast processing of data signals.

The reception control unit 320 is a point to enable audio and serial control while uncompressed transmission of up to 2 Gbps data including Ethernet PHY 321 and RS232 322 to receive data from various sensors through the data transmission unit 230 . It is optimized for cross- and daisy-chain, infotainment and smart antenna connections.

The Ethernet PHY 321 links to implement a hardware transmission/reception function of an Ethernet frame and to interface between the analog domain of Ethernet line modulation and link layer packet signaling.

The daisy chain 330 transmits signals through a bus from a device that does not require a daisy chain signal when transmitting signals of various sensors applied through the reception control unit 320 .

In addition, the daisy chain 330 is cabled with a dedicated CATx cable or optical fiber for AV integration, and supports video, audio, USB, control, Ethernet and power transmission in a closed and controlled environment with predictable performance.

The deserializer supports a topology with two independent receiver links and is configured to support local CSI-2 local input ports at speeds up to 8Gbps each. In addition, the image signal is applied to the deserializer 340 through the transmission unit 230 composed of HDBase-T and the receiving unit 310 composed of HDBase-T by the image transmission control unit 220 .

In addition, the data receiving means 300 transmits data signals to devices that do not require a daisy chain signal when transmitting signals of various sensor data and image data applied from the data transmitting means 200 through a bus to transmit various sensor signals. A storage means for storing data and image data may be formed.

The data transmitting means 200 and the data receiving means 300 are connected to HDBT (HDBase-T) supporting video, audio, USB, control, Ethernet and power transmission using a dedicated CATx cable.

The common platform for communication of an open electric vehicle of the present invention is not limited to the configuration shown in FIG. 1, and can be utilized as a sensor data logging system.

The sensor data logging system includes an input unit 100 , a data transmitting unit 200 , and a data receiving unit 300 . Since the input means 100 and the data transmission means 200 are configured in the same manner as shown in FIGS. 1 and 2 , detailed descriptions thereof will be omitted. However, since the configuration of the data receiving means 300 is formed differently, only this will be described.

Since the data receiving means 300 is configured in the same way as shown in FIG. 3 , a detailed description of the configuration is generated.

The data receiving means 300 is configured in plurality, and one of the plurality of data receiving means 300 is a high-performance server (or remote server) for data monitoring and analysis according to the flow of vehicles, that is, to analyze road traffic conditions. approved with

And the other one of the plurality of data receiving means 300 is applied as a storage device for storing data signals of various sensors applied from the data transmitting means 200 and moving pictures applied from the image capturing device 140 . . The storage device (unsigned) is used only as a device for data storage. In addition, the storage device may serve as a backup server.

As described above, since the data signal for monitoring and analyzing the data and the data signal for storing the data are divided and performed, the processing according to the data signal occurs very quickly and the processing is performed lightly.

The public platform for communication of the open electric vehicle of the present invention configured as described above integrates and transmits various sensors connected to the electric vehicle with HDBase-T, and is installed in the electric vehicle by connecting it in a daisy chain, that is, a serial connection method. The central processing unit processes and stores data signals in the closest order, and simplifies the connection between the sensor and HPC (High Performance Computing), which simplifies wiring and facilitates data interface.

In addition, since interference that may occur from the outside is prevented during data signal communication, a malfunction of the data signal does not occur.

In addition, the present invention enables the simplification of cable wiring by transmitting various sensor data as one signal.

In addition, the present invention has the advantage of easy maintenance because NVIDIA, HPC interface connection and management are easy.

While this specification contains numerous specific implementation details, these should not be construed as limitations on the scope of any invention or claim, but rather as descriptions of features that may be specific to particular embodiments of a particular invention. should be understood

On the other hand, the embodiments of the present invention disclosed in the present specification and drawings are merely presented as specific examples to aid understanding, and are not intended to limit the scope of the present invention. It will be apparent to those of ordinary skill in the art to which the present invention pertains that other modifications based on the technical idea of the present invention can be implemented in addition to the embodiments disclosed herein.

100: input means 110: GNSS
120: IMU 130: LiDAR
140: imaging device 150: radar
200: data transmission means 210: transmission control unit
211: CAN TO USB 212: Ethernet
213: RS232 220: video transmission control unit
230: transmitter 300: data receiving means
310: receiving unit 320: receiving control unit
321: EthernetPHY 322: RS232
330: daisy chain 340: deserializer

Claims (10)

an input means comprising a GNSS, an IMU, a lidar, an imaging device, and a radar;
a data transmission means for integrally transmitting various sensor and image data applied from the input means in an HDBT method;
and a data receiving means for performing cluster-based computing on various sensor data and image data that are connected to the data transmission means and applied through a plurality of lines;
The data transmission means,
Transmission control unit that optimizes point-to-point and daisy chain method, infotainment and smart antenna connection for audio and serial control while uncompressed transmission of up to 2Gbps data including CAN TO USB, Ethernet and RS232 to receive data from various sensors;
an image transmission control unit formed in plurality to control an image applied through the image capturing apparatus 140;
a transmitting unit connected to the data receiving unit through CATx cabling or optical fiber to apply data applied from the transmission control unit and the image transmission control unit to the data receiving unit;
A common platform for communication of an open electric vehicle comprising a.
According to claim 1,
The data transmitting means and the data receiving means,
A common platform for communication of open electric vehicles, characterized in that it is connected by HDBT (HDBase-T), which supports video, audio, USB, control, Ethernet and power transmission with a single cable of a dedicated CATx cable.
delete According to claim 1,
The CAN TO USB is
A common platform for communication of an open electric vehicle, characterized in that it transmits data by converting CAN communication in the form of parallel data with various sensors into a serial method.
According to claim 1,
The RS232 is,
A common platform for communication of an open electric vehicle, characterized in that it transmits and receives data by converting the form of parallel data to a serial method.
According to claim 1,
The video transmission control unit,
A common platform for communication of an open electric vehicle, characterized in that when the transmission control unit is configured in an on-board form, data is applied to the data receiving means in a bypass form by CATx cabling or optical fiber.
According to claim 1,
The data receiving means,
a receiving unit connected to the data transmitting unit through CATx cabling or optical fiber and applying the data signal applied from the transmitting unit to the receiving control unit and the deserializer;
a reception control unit optimizing for point-to-point and daisy chain method, infotainment and smart antenna connection for audio and serial control while uncompressed transmission of up to 2Gbps data including Ethernet and RS232 to receive data from various sensors;
an Ethernet PHY linking to implement a hardware transmission/reception function of Ethernet frames and to interface between the analog domain of Ethernet line modulation and link layer packet signaling;
a daisy chain for passing signals over a bus from devices that do not require daisy chain signals to transmit signals;
Deserializer with topology support with two independent receiver links;
A common platform for communication of an open electric vehicle comprising a.
8. The method of claim 7,
The daisy chain is
For AV integration, cabling with a dedicated CATx cable or optical fiber, and supporting video, audio, USB, control, Ethernet and power transmission with a single CATx cable or optical fiber, a common platform for communication of open electric vehicles.
8. The method of claim 7,
The deserializer is
A common platform for communication of open electric vehicles, characterized in that it supports local CSI-2 local input ports at speeds of up to 8 Gbps.
According to claim 1,
The data receiving means.
When transmitting the signals of various sensor data and image data applied from the data transmitting means, the data signal is transmitted through a bus to a device that does not require a daisy chain signal, comprising a storage means for storing the signal data and image data of various sensors A common platform for communication of open electric vehicles, characterized in that.

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