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Head and neck device and control of voice guide robot for factory and mine hospitals

A head and neck, robot technology, applied in manipulators, manufacturing tools, etc., can solve the problems of VAD algorithm not working properly, the scale is not as good as the third-level hospital, and the background noise is unstable.

Active Publication Date: 2019-05-31
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is applied to the field of voice guidance services in factories and mines hospitals. The factories and mines hospitals belong to the hospitals of the enterprises, and the scale is not as good as that of the tertiary first-class hospitals, and the flow of medical personnel is large. The lack of professional guides leads to the problem of low triage efficiency. The present invention Provide a voice guidance robot head and neck device and control for factories and mines hospitals, but because the background noise in the factories and mines hospital scene is unstable and the intensity fluctuates greatly, so that the general voice recognition algorithm is used in low signal-to-noise ratio environment, the VAD algorithm based on short-term energy hardly works

Method used

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  • Head and neck device and control of voice guide robot for factory and mine hospitals
  • Head and neck device and control of voice guide robot for factory and mine hospitals
  • Head and neck device and control of voice guide robot for factory and mine hospitals

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Experimental program
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Effect test

specific Embodiment approach 1

[0062] A voice guidance robot head and neck device used in factories and mines hospitals, such as figure 1 , figure 2 As shown, it includes a head device 1, a neck device 2 and a control system 3, and the head device 1 is arranged above the neck device 2;

[0063] The head device 1 includes a head structure 1-1, a mouth action mechanism 1-2, and a voice module 1-3;

[0064] The neck device 2 includes a neck support 2-1 and a neck action mechanism 2-2;

[0065] The control system 3 is mainly based on the main control chip, which is connected with the voice module 1-3 for identifying the voice information of the patient and responding to the patient's inquiry information. The main control chip is connected with the mouth action mechanism 1-3. 2 and the neck action mechanism 2-2 are controlled and connected to complete the anthropomorphic mouth action and the neck pitching and turning actions.

specific Embodiment approach 2

[0066] Such as figure 1 , figure 2 , image 3 As shown, on the basis of Embodiment 1, the head structure 1-1 includes a face support plate 1-1A, a mouth first support plate 1-1B, and a mouth second support plate 1-1C; The face support plate 1-1A is vertically arranged with the mouth first support plate 1-1B and the mouth second support plate 1-1C, and is fixedly connected.

[0067] The mouth movement mechanism 1-2 includes a mouth movement control module 1-2A, a stepping motor 1-2B, a motor fixing bracket 1-2C, a metal coupling 1-2D, a mouth transmission bracket 1-2E and a chin Component 1-2F, the stepper motor 1-2B is fixedly connected to the second support plate 1-1C of the mouth through the motor fixing bracket 1-2C, the output shaft of the stepper motor 1-2B is connected to the metal coupling 1 The input end of -2D is fixedly connected, the other end of the metal coupling 1-2D is connected to the input end of the mouth transmission bracket 1-2E, and the end of the mout...

specific Embodiment approach 3

[0078] Such as Figure 8 , Figure 9 , Figure 10 As shown, a control method for the implementation of the head and neck device of the voice guidance robot used in factories and mines hospitals, including the following steps:

[0079] Step S1, the microphone 1-3B collects the voice information of the patient, converts the sound wave into a digital voice signal and transmits it to the voice recognition module 1-3C;

[0080] Step S2, the speech recognition module 1-3C preprocesses the digital speech signal, and the present invention adopts an improved preprocessing algorithm to improve the accuracy of speech recognition in a complex noise environment;

[0081] Step S3, the speech recognition module 1-3C performs acoustic feature extraction on the preprocessed speech signal;

[0082] Step S4, obtain the probability that the acoustic feature belongs to a certain acoustic symbol in the recognition network for a certain piece of speech information;

[0083] Step S5, decode the s...

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Abstract

The invention relates to a head and neck device and control of a voice guide robot for factory and mine hospitals. The problem of low triage efficiency caused by lack of professional guide personnel of the factory and mine hospitals is solved. The head and neck device comprises a head device, a neck device and a control system, wherein the head device is arranged above the neck device; the head device comprises a head structure, a mouth actuating mechanism and a voice module; the neck device comprises a neck support and a neck actuating mechanism; and the control system is used for controllingthe voice module, in the conditions of unstable hospital background noise and large intensity fluctuation, traditional short-time energy is replaced by low-frequency energy as the characteristic quantity, so that the accuracy of voice recognition in a complex noise environment is increased, the voice guide of main roads of hospital departments is completed according to the voice recognition content, and the anthropopathic mouth movement and the neck pitching rotation of the robot are realized during voice conversation, so that the interactive capability of the guide robot is increased.

Description

technical field [0001] The invention belongs to the field of intelligent service robots, and in particular relates to a head and neck device and control of a voice guiding robot used in factories, mines and hospitals. Background technique [0002] With the development of my country's intelligent manufacturing industry and the continuous improvement of the level of science and technology, the application of intelligent service robots in daily life is becoming more and more extensive. At present, intelligent service robots can be applied to various fields such as tour guides, medical care, and welcoming guests. It will become the most powerful assistant and closest partner of mankind in the future. [0003] The present invention is applied to the field of voice guidance services in factories and mines hospitals. The factories and mines hospitals belong to the hospitals of the enterprises, and the scale is not as good as that of the tertiary first-class hospitals, and the flow o...

Claims

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Application Information

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IPC IPC(8): B25J11/00B25J19/00
Inventor 王鹏罗鹏刘然宋春宵黎晓强张元张鹏
Owner HARBIN UNIV OF SCI & TECH
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