Multi-directional barrier avoiding system of mobile robot

A mobile robot and multi-directional technology, applied in two-dimensional position/channel control and other directions, can solve problems such as blind spots in measurement, inability to detect moving obstacles in real time, slow response of ultrasonic sensors, etc., and achieve the effect of path planning and navigation

Inactive Publication Date: 2015-06-24
NANJING AVATARMIND ROBOT TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The problem to be solved by the present invention is to provide a mobile robot multi-sensor ranging system for the defects of slow response of ultrasonic sensors, blind spots in measu

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  • Multi-directional barrier avoiding system of mobile robot

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Embodiment Construction

[0012] A multi-directional obstacle avoidance system for a mobile robot proposed by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] Such as figure 1 As shown, a mobile robot multi-directional obstacle avoidance system of the present invention includes an ultrasonic sensor 1, an infrared sensor 2, a pyroelectric sensor 3, an analog signal conditioning circuit and a central control unit. The analog signal conditioning circuit is used for amplifying, filtering, peak extraction and shaping the above-mentioned signals.

[0014] The ultrasonic sensor 1 is connected to the central control unit through an analog signal conditioning circuit. The ultrasonic sensor 1 includes a transmitter 11 and a receiver 12 for transmitting ultrasonic waves and detecting return signals, and converting them into analog signals if there is a return signal.

[0015] The analog signal returned by the infrared sensor 2 is amplified, filtered...

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Abstract

The invention discloses a multi-directional barrier avoiding system of a mobile robot. The multi-directional barrier avoiding system comprises an ultrasonic sensor (1), an infrared sensor (2), a pyroelectric sensor (3), analog signal processing circuits and a central control unit. The ultrasonic sensor (1) is connected to the central control unit through one analog signal processing circuit and an A/D conversion circuit. Analog signals fed back by the infrared sensor (2) are amplified, filtered, subjected to peak extraction and shaped through the other analog signal processing circuit, and then are transmitted to the central control unit after passing through the A/D conversion circuit. The pyroelectric sensor (3) is connected to the central control unit. The multi-directional barrier avoiding system of the mobile robot can quickly detect information of barriers in the external environment in real time, detection dead zones are eliminated, parameters measured by the multiple sensors are used in a complementation mode, and the most authentic external environment parameters can be reliably provided for a robot control center in real time so that the robot control center can optimize advancing lines in real time to enable the robot to quickly avoid barriers.

Description

technical field [0001] The invention belongs to the technical field of path planning, navigation and obstacle avoidance of a mobile robot, in particular to a multi-directional obstacle avoidance system for a mobile robot. Background technique [0002] In order for the robot to drive reliably and automatically avoid obstacles on the route, a system is needed to obtain information about the external environment, sense the existence of obstacles, and measure the distance of obstacles, so that the robot can correctly plan the route and automatically avoid obstacles. Sensors are one of the essential components of an autonomous mobile robot system. In a fully structured known environment, the sensor system is used to guide the movement of the robot, monitor the execution of expected tasks, and deal with possible unexpected situations; while in an unknown or dynamically changing environment, because the information of the environment cannot be known in advance, the robot Completel...

Claims

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Application Information

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IPC IPC(8): G05D1/02
Inventor 王振华李震周洪刚王超全金祖伟李庭亮
Owner NANJING AVATARMIND ROBOT TECH CO LTD
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