CN111025248A - A data collection and playback device and data collection and playback system - Google Patents
A data collection and playback device and data collection and playback system Download PDFInfo
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- CN111025248A CN111025248A CN201911400875.XA CN201911400875A CN111025248A CN 111025248 A CN111025248 A CN 111025248A CN 201911400875 A CN201911400875 A CN 201911400875A CN 111025248 A CN111025248 A CN 111025248A
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- 238000013480 data collection Methods 0.000 title claims abstract description 24
- 230000010365 information processing Effects 0.000 claims abstract description 35
- 230000007613 environmental effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Radar Systems Or Details Thereof (AREA)
Abstract
本发明提供一种数据采集回放装置和数据采集回放系统，数据采集回放装置包括信息处理模块、采集接口、上位机接口和回灌接口，其中：所述信息处理模块与采集接口、上位机接口和回灌接口相连，用于在采集状态时，通过所述采集接口接收采集接口信号，并将所述采集接口信号转换为上位机接口信号后发送至所述上位机接口；在回灌状态时，通过所述上位机接口接收上位机接口信号，并将所述上位机接口信号转换为回灌接口信号后发送至所述回灌接口。本发明提供的数据采集回放装置和数据采集回放系统，采用了同一套系统用于雷达系统的数据采集及回灌，简化了数据采集和在环测试工作的复杂度，有效降低了生产成本。
The invention provides a data collection and playback device and a data collection and playback system. The data collection and playback device includes an information processing module, a collection interface, a host computer interface and a refill interface, wherein: the information processing module is connected to the acquisition interface, the host computer interface and the The refilling interface is connected to each other, and is used to receive the collection interface signal through the collection interface in the collection state, convert the collection interface signal into the upper computer interface signal and send it to the upper computer interface; in the refill state, The host computer interface signal is received through the host computer interface, and the host computer interface signal is converted into a refilling interface signal and then sent to the refilling interface. The data acquisition and playback device and data acquisition and playback system provided by the present invention use the same system for data acquisition and recharge of the radar system, simplifying the complexity of data acquisition and in-loop testing, and effectively reducing production costs.
Description
Technical Field
The invention relates to the technical field of information transmission, in particular to a data acquisition playback device and a data acquisition playback system.
Background
In the radar application technology, in order to ensure that a radar system has complete system functions and good radio frequency performance during formal volume production, on one hand, the radar system needs to collect real detected data information in a set of data acquisition system so as to play back real road conditions in an upper computer to check radar performance; on the other hand, a set of data playback system is needed to recharge the acquired original ADC data to the radar, so that the hardware-in-loop test of the radar is realized. No ready-made available mature system on the market can be used for data acquisition and playback of a radar system in a rack test process under a finished automobile experimental environment, and the data acquisition and in-loop test work is very complex and has high cost.
Disclosure of Invention
The invention aims to provide a data acquisition and playback device and a data acquisition and playback system, which adopt a set of complete system to solve the problems of radar data acquisition and playback.
In a first aspect, the present invention first provides a data acquisition and playback device, specifically, the data acquisition and playback device includes an information processing module, an acquisition interface, an upper computer interface, and a recharge interface, wherein: the information processing module is connected with the acquisition interface, the upper computer interface and the recharge interface, and is used for receiving an acquisition interface signal through the acquisition interface in an acquisition state, converting the acquisition interface signal into an upper computer interface signal and then transmitting the upper computer interface signal to the upper computer interface; and when in a recharging state, receiving an upper computer interface signal through the upper computer interface, converting the upper computer interface signal into a recharging interface signal and then sending the recharging interface signal to the recharging interface.
Furthermore, the information processing module is an FPGA data processing circuit.
Further, the acquisition interface is an LVDS interface.
Further, the upper computer interface is a gigabit Ethernet interface.
Furthermore, the data acquisition playback device also comprises a power module connected with the information processing module, and the power module is used for providing working voltage to the information processing module.
Furthermore, the data acquisition playback device also comprises a control interface connected with the information processing module, and the control interface is used for outputting a control signal.
Furthermore, the data acquisition playback device also comprises a feedback interface connected with the information processing module, and the feedback interface is used for receiving a feedback signal.
Furthermore, the data acquisition playback device also comprises a state indication module connected with the information processing module, and the state indication module is used for indicating the working state.
Further, the working state is selected from one or more of the working state of the information processing module, the working state of the acquisition interface and the working state of the recharging interface.
In a second aspect, the present invention further provides a data acquisition and playback system, specifically, the data acquisition and playback system includes an upper computer, a radar, and the data acquisition and playback device described above, wherein: the upper computer is connected with the radar through the data acquisition and playback device, acquires environment data acquired by the radar from the radar through the data acquisition and playback device in an acquisition state, and sends the recharge environment data to the radar through the data acquisition and playback device in a recharge state.
The data acquisition playback device and the data acquisition playback system provided by the invention adopt the same complete system to be used for the radar system to perform data acquisition and playback in the bench test process under the whole vehicle experimental environment, simplify the complexity of data acquisition and in-loop test work, and effectively reduce the production cost.
Drawings
Fig. 1 is a block diagram of a data acquisition and playback device according to an embodiment of the present invention.
Fig. 2 is a block diagram of a data acquisition and playback device according to another embodiment of the present invention.
Fig. 3 is a block diagram of a data acquisition and playback device according to another embodiment of the present invention.
Fig. 4 is a block diagram of a data acquisition and playback system according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In a first aspect of the invention, a data acquisition playback device is provided. Fig. 1 is a block diagram of a data acquisition and playback device according to an embodiment of the present invention.
As shown in fig. 1, in an embodiment, the data acquisition and playback device includes an acquisition interface 11, an information processing module 12, an upper computer interface 13, and a recharge interface 14.
The information processing module 12 is connected with the acquisition interface 11, the upper computer interface 13 and the recharge interface 14, and has a basic working state comprising an acquisition state and a recharge state.
When the collection state, the radar is with the environmental data who gathers and generate the collection interface signal, and information processing module 12 receives the collection interface signal of radar through gathering interface 11 to gather interface signal conversion and host computer interface signal, then send to host computer interface 13 so that the host computer can read the environmental data that the radar gathered.
In a recharging state, the upper computer generates recharging environment data into an upper computer interface signal, the information processing module 12 receives the upper computer interface signal through the upper computer interface 13, converts the upper computer interface signal into a recharging interface signal, and then sends the recharging interface signal to the recharging interface 14 so that the recharging environment data can be recharged to the radar.
Through the two working modes of acquisition and recharging of the information processing module 12, the same complete system is adopted for data recharging when the radar system is used for data acquisition in the whole vehicle experimental environment and data recharging in the bench test process, and the complexity of data acquisition and in-loop test work is simplified.
The information processing module 12 can be implemented by various programmable functional architectures such as CPU, GPU, MCU, ARM, and DSP. In one embodiment, the information processing module 12 is an fpga (field Programmable Gate array) data processing circuit. The FPGA is a product further developed on the basis of programmable devices such as PAL, GAL and the like, has larger parallelism, and can be customized and reconfigured. And because the programming mode of the FPGA adopts hardware digital logic processing, the FPGA is particularly suitable for modulating and demodulating high-speed signals, and the effectiveness of data transmission is ensured.
When the acquisition interface signal of the radar is received through the acquisition interface 11, it can be acquired through various conventional high-speed data interfaces. Since the environment data collected by the radar includes raw data collected by the radar and radar post-processing data, in an embodiment, the collection interface 11 is an LVDS (Low-Voltage Differential Signaling) interface. Accordingly, an interface signal, i.e., an LVDS signal, is acquired. The LVDS interface has the characteristics of low voltage, low power consumption, low noise, strong anti-interference performance and high-speed transmission capability.
The host computer is typically implemented using a computer or other microcomputer-type device. Therefore, a connection method including ethernet may be used to connect with the upper computer. To ensure transmission capability, in one embodiment, the host interface 13 is a gigabit ethernet interface. Accordingly, the upper computer interface signal is a gigabit ethernet signal. In other embodiments, other data communication interfaces, such as HDMI and USB, may be used to communicate with the host computer.
Similarly, recharge interface 14 may be a radar-enabled interface, which is not described in detail herein.
Fig. 2 is a block diagram of a data acquisition and playback device according to another embodiment of the present invention.
As shown in fig. 2, in an embodiment, the data collection and playback device further includes a power module 15 connected to the information processing module 12. The power module 15 is used for supplying an operating voltage to the information processing module 12.
In one embodiment, power module 15 is adapted to accommodate wide voltage power inputs including 6-36V vehicle-mounted environments, and generates multiple power rails via a series of Buck/Boost circuits to provide operating voltages for information handling module 12.
Fig. 3 is a block diagram of a data acquisition and playback device according to another embodiment of the present invention.
As shown in fig. 3, in an embodiment, the data acquisition playback device further includes a control interface 16 connected to the information processing module 12. The control interface 16 is used to output control signals to the radar.
The control interface 16 may be any of a variety of conventional IO interfaces such as an I2C interface, an SPI interface, a GPIO interface, and a UART interface. Set up control interface 16, send control signal to radar through data acquisition playback device, the host computer can control the mode of radar, also can refresh the radar program through control interface 16.
Referring to fig. 3, in an embodiment, the data collection and playback device further includes a feedback interface 17 connected to the information processing module 12. The feedback interface 17 adopts a GPIO interface form for transmission, and the feedback interface 17 is used for receiving a feedback signal sent by a radar.
And a feedback interface 17 is arranged, and the radar can report the working state of the radar and the feedback of a control command at any time by sending a feedback signal through the feedback interface 17 in the working process. In other embodiments, the feedback interface 17 may also be other various interfaces supported by radar, which is not described herein.
With continued reference to fig. 3, in one embodiment, the data collection and playback device further includes a status indication module 18 connected to the information processing module 12. The status indication module 18 is used for indicating various working statuses related to the data acquisition and playback device.
The status indication may include a visual indication such as a light or display screen or an audible indication such as a voice. In one embodiment, an LED light is used to indicate the operating status.
In one embodiment, the operating state is selected from one or more of the operating state of information handling module 12, the operating state of acquisition interface 11, and the operating state of recharge interface 14. For example, one of the indicator lights is used to indicate a power state, one of the indicator lights is used to indicate a working state of the information processing module 12 itself, one of the indicator lights is used to indicate a connection state of the acquisition interface 11 and/or the recharge interface 14 between the information processing module 12 and the radar, one of the indicator lights is used to indicate a connection state of the upper computer interface 13 between the information processing module 12 and the upper computer, and one of the indicator lights is used to indicate a working state of the upper computer.
By arranging the state indicating module 18, the state monitoring of the information processing module 12 and the connected equipment is realized, and a user can know the state of the system conveniently.
In a second aspect, the invention also provides a data acquisition playback system. Fig. 4 is a block diagram of a data acquisition and playback system according to an embodiment of the present invention.
As shown in fig. 4, the data acquisition and playback system includes the upper computer 30, the radar 20, and the data acquisition and playback device 10 as described above.
The upper computer 30 is connected with the data acquisition and playback device 10 through an upper computer interface, and the data acquisition and playback device 10 is connected with the radar 20 through an acquisition interface and a recharge interface. The system has a basic working state including an acquisition state and a recharge state.
In the collection state, the radar 20 generates collected environmental data and a collection interface signal, and the data collection playback device 10 acquires the collection interface signal from the radar 20 through the collection interface, converts the collection interface signal into an upper computer interface signal, and then sends the upper computer interface signal to the upper computer 30.
In the recharging state, the upper computer 30 generates recharging environment data into an upper computer interface signal, and the data acquisition and playback device 10 receives the upper computer interface signal sent by the upper computer 30 through the upper computer interface, converts the upper computer interface signal into a recharging interface signal, and sends the recharging interface signal to the radar 20 through the recharging interface.
The data acquisition playback device and the data acquisition playback system provided by the invention adopt the same complete system to be used for the radar system to perform data acquisition and playback in the bench test process under the whole vehicle experimental environment, simplify the complexity of data acquisition and in-loop test work, and effectively reduce the production cost.
In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.
As used herein, the ordinal adjectives "first", "second", etc., used to describe an element are merely to distinguish between similar elements and do not imply that the elements so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.
It will be understood by those skilled in the art that all or part of the steps of implementing the above method embodiments may be implemented by hardware associated with program instructions, and the program may be stored in a computer readable storage medium, and when executed, performs the steps including the above method embodiments. The foregoing storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present disclosure, and all such changes or substitutions are included in the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
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| CN201911400875.XA CN111025248A (en) | 2019-12-30 | 2019-12-30 | A data collection and playback device and data collection and playback system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111581137A (en) * | 2020-05-21 | 2020-08-25 | 北京润科通用技术有限公司 | Data record recharge system and method |
| CN111599159A (en) * | 2020-05-27 | 2020-08-28 | 南京隼眼电子科技有限公司 | Radar data transmission system and radar data transmission method |
| CN114488854A (en) * | 2022-01-26 | 2022-05-13 | 上海和夏新能源科技有限公司 | Intelligent driving and ADAS analog simulation method and system based on test data |
| CN115408834A (en) * | 2022-08-16 | 2022-11-29 | 深圳承泰科技有限公司 | Continuous integration platform for automotive radar testing based on simulation injection of RF front-end analog signals |
| CN116482625A (en) * | 2023-01-30 | 2023-07-25 | 福瑞泰克智能系统有限公司 | Radar detection system, method, device and storage medium |
| CN117156075A (en) * | 2023-08-08 | 2023-12-01 | 昆易电子科技(上海)有限公司 | Video acquisition injection device, system, automobile and reinjection equipment |
| WO2025031457A1 (en) * | 2023-08-08 | 2025-02-13 | 昆易电子科技(上海)有限公司 | Video transmission processing module, apparatus, acquisition system and injection system |
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