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Object detection method and system, ultrasonic sensing device and autonomic mobile device

A detection method and autonomous movement technology, applied in the direction of radio wave measurement system, control/regulation system, non-electric variable control, etc., can solve the problems of single function, low use efficiency, occupying the installation position, etc., and achieve the effect of improving positioning accuracy

Pending Publication Date: 2018-12-21
SHANGHAI YOGO ROBOTICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, although the cost of the ultrasonic sensor is low, it needs to occupy an installation position and has a single function, and the use efficiency is low

Method used

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  • Object detection method and system, ultrasonic sensing device and autonomic mobile device
  • Object detection method and system, ultrasonic sensing device and autonomic mobile device
  • Object detection method and system, ultrasonic sensing device and autonomic mobile device

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Embodiment Construction

[0044] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0045] It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual impleme...

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Abstract

The invention provides an object detection method and system, an ultrasonic sensing device and an autonomic mobile device. The object detection method includes the following steps that an object is detected by ultrasonic based on an initial beam angle; if the object is detected, the object is determined to be located within the range of the initial beam angle; if no object is detected, a current beam angle is transformed based on a preset gradient, the object is detected by the ultrasonic based on the transformed beam angle until the object is detected, and then the object is determined to belocated within the range of an included angle between a first beam angle and a second beam angle; and when left or right rotation of the ultrasonic transmitting direction is not less than a first angle, the object is detected by the ultrasonic based on the fact that a beam angle is not less than a second angle; if the object is detected, the object is determined to be located within the range of aleft side included angle of the first beam angle and the second beam angle, and otherwise, the object is determined to be located within the range of a right side included angle. The object detectionmethod and system, the ultrasonic sensing device and the autonomic mobile device can achieve accurate object detection.

Description

technical field [0001] The invention relates to the technical field of object detection, in particular to an object detection method and system, an ultrasonic sensing device and an autonomous mobile device. Background technique [0002] Ultrasound is a sound wave with a frequency higher than 20,000 Hz. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, especially good directionality, and can become rays and directional propagation. Ultrasound has a great penetrating ability to liquids and solids, especially in solids that are opaque to sunlight. Ultrasonic waves will produce significant reflections when they encounter impurities or interfaces to form echoes, and when they encounter moving objects, they will produce Doppler effects. Therefore, ultrasonic detection technology is widely used in automobiles, unmanned vehicles, robots and other fields. [0003] Ultrasonic sensors are sensors that convert ultrasonic signals into other e...

Claims

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Application Information

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IPC IPC(8): G01S7/524G05D1/02
CPCG05D1/0255G01S7/524
Inventor 马元勋刘永袁志炜
Owner SHANGHAI YOGO ROBOTICS CO LTD
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