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Speed acquisition moment acquisition method, equipment and storage medium and device

A speed acquisition and time technology, which is applied in the field of speed acquisition time acquisition, can solve the problems such as the delay of speed measurement at the precise time when it is impossible to obtain the speed measurement clearly.

Pending Publication Date: 2021-02-19
星火科技技术(深圳)有限责任公司
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a method, equipment, storage medium and device for obtaining the time of speed collection, aiming to solve the technical problem that the precise time of speed measurement or the delay of speed measurement cannot be clearly obtained in the prior art

Method used

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  • Speed acquisition moment acquisition method, equipment and storage medium and device
  • Speed acquisition moment acquisition method, equipment and storage medium and device
  • Speed acquisition moment acquisition method, equipment and storage medium and device

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Embodiment Construction

[0048] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] refer to figure 1 , figure 1 It is a schematic structural diagram of an acquisition device for speed acquisition time in the hardware operating environment involved in the solution of the embodiment of the present invention.

[0050] Such as figure 1 As shown, the device for obtaining the time of speed collection may include: a processor 1001 , such as a central processing unit, a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen, and the optional user interface 1003 may also include a standard wired interface and a wireless interface. The wired interface of the user interface 1003 may be a USB interfac...

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Abstract

The invention provides a speed acquisition moment acquisition method, equipment, a storage medium and a device. The method comprises the steps of sending a timestamp alignment request to a speed measurement module, enabling the speed measurement module to feed back request response information, obtaining the request response information, and recording an information receiving moment, and aligningthe information sending moment determined by the request according to the timestamp, determining the transmission time difference according to the information feedback moment and the information receiving moment determined by the request response information, and finally obtaining the accurate moment of speed acquisition according to the moment of receiving the speed data and the transmission timedifference. The transmission time difference is determined according to the information sending moment of the sending timestamp alignment request, the information feedback moment of the speed measurement module feeding back the request response information and the information receiving moment of the receiving request response information, so that the speed acquisition moment is determined conveniently and accurately.

Description

technical field [0001] The present invention relates to the technical field of speed acquisition, in particular to a method, equipment, storage medium and device for acquiring the time of speed acquisition. Background technique [0002] Self-driving vehicles, also known as unmanned vehicles, computer-driven vehicles, or wheeled mobile robots, are intelligent vehicles that realize unmanned driving through computer systems. Self-driving systems are getting smarter as self-driving vehicles become more common, serving as taxis or public transport. [0003] The speed measurement of the existing automatic driving system usually cannot clearly obtain the precise time of the speed measurement or the delay of the speed measurement, which puts extremely high requirements on the local path planning and motion control algorithm of the automatic driving, and significantly increases the cost of the entire system. [0004] The above content is only used to assist in understanding the tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P3/36
CPCG01P3/36
Inventor 孙向明肖乐
Owner 星火科技技术(深圳)有限责任公司
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