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Proximity sensing method, proximity sensing apparatus and mobile platform using the same

An object detection and mobile platform technology, applied in the field of mobile platforms, can solve the problems of misjudgment, robot falling, and difficulty in omitting amplification and filtering circuits.

Inactive Publication Date: 2014-05-21
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of judgment basis is often affected by the interference of the ground color and the surrounding environmental light source, which may affect the sensing results, and even cause the robot to fall.
Furthermore, in order to resist the influence of the environment, it is necessary to design and adjust the circuit parameters according to the characteristics of the components, and it is always difficult to omit the complicated amplifier and filter circuits.
At present, when the self-propelled cleaning robot walks on the black floor, if the circuit parameters are not well adjusted, it is easy to misjudgment that it is about to fall, and the robot will stall due to misoperation.

Method used

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  • Proximity sensing method, proximity sensing apparatus and mobile platform using the same
  • Proximity sensing method, proximity sensing apparatus and mobile platform using the same
  • Proximity sensing method, proximity sensing apparatus and mobile platform using the same

Examples

Experimental program
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no. 1 example

[0073] Please also refer to figure 1 and figure 2 , figure 1 Shown as a schematic diagram of the appearance of the mobile platform according to the first embodiment, figure 2 Shown is a block diagram of the mobile platform according to the first embodiment. The mobile platform 1 includes an approaching object detection device 11, a moving unit 12, a movement control unit 13, a signal processing unit 14 and a housing 15, and the signal processing unit 14 is electrically connected to the approaching object detection device 11 and the movement control unit 13. The mobile control unit 13 and the signal processing unit 14 are, for example, implemented by a microprocessor (Micro Control Unit, MCU) or a digital signal processor (Digital Signal Processor, DSP), and the mobile unit 12 is, for example, a wheel. The movement control unit 13 controls the movement unit 12 to move, stop or turn. The casing 15 accommodates the movement control unit 13 and the signal processing unit 14, and ...

no. 2 example

[0089] Please also refer to figure 2 , Figure 19 and Picture 20 , Figure 19 Shown as a schematic diagram of the appearance of the mobile platform according to the second embodiment, Picture 20 Shown is a side view of a mobile platform according to the second embodiment. The main difference between the second embodiment and the first embodiment is that the approaching object detection device 11 of the mobile platform 3 is arranged on the side surface 153 instead of the bottom surface 152. by Figure 19 and Picture 20 It can be seen that the interference signal transmitted by the interference signal transmitting unit 112 interferes with the coded signal S1 when it encounters an obstacle or a wall. The approaching object detection device 11 is arranged on the side 153 and can be used to detect whether the mobile platform 3 encounters an obstacle or a wall.

[0090] Please also refer to figure 2 , Figure 21 and Figure 22 , Figure 21 The drawing is a schematic diagram of the...

no. 3 example

[0093] Please also refer to Figure 24 , Figure 25 and Figure 26 , Figure 24 Is a partial three-dimensional schematic diagram of the second approaching object detection device according to the third embodiment, Figure 25 Shown is a cross-sectional view of the second approaching object detection device along the cross-sectional line CC’, Figure 26 Shown is a schematic diagram of a cone-shaped hollow sleeve and an interference signal transmitting unit. The main difference between the third embodiment and the first embodiment is that the approaching object detection device 11a further includes a cone-shaped hollow sleeve 116 (for example, a barrel) to replace the design of the partition in the foregoing embodiment. The cone-shaped hollow sleeve 116 is made of opaque material and is disposed at the front end of the interference signal emitting unit 112, and the side of the cone-shaped hollow sleeve 116 with the smaller hollow section in the axial direction is close to the inte...

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Abstract

The invention provides a proximity sensing method, a proximity sensing apparatus and a mobile platform using the same. The proximity sensing apparatus includes an encoded signal transmission unit, an interference signal transmission unit and a reception unit. The encoded signal transmission unit transmits an encoded signal, and the interference signal transmission unit transmits an interference signal. The interference signal interferes with the encoded signal to generate an interfered signal. The reception unit receives a sensing signal and outputs the sensing signal to a signal processing unit. The sensing signal is either the interfered signal or the encoded signal. The signal processing unit is electrically connected to the reception unit, and determines whether the sensing signal matches the encoded signal. The signal processing unit further outputs a proximity signal when the sensing signal does not match the encoded signal.

Description

Technical field [0001] The present disclosure relates to a detection device, and more particularly to a proximity object detection method, a proximity object detection device and a mobile platform using the same. Background technique [0002] With the rapid development of automation technology and artificial intelligence, the role of robots is becoming more and more important. In recent years, the evolution has gradually and rapidly developed towards the direction of service robots, with cleaning robots being the main application. Cleaning robots cover a wide range, and can be slightly divided into two categories: industrial type and household type. Household floor cleaning robots are also known as self-propelled vacuum cleaners. Household floor cleaning robots have risen rapidly in recent years and have become mainstream products in the market with extremely high development potential. [0003] At present, most self-propelled cleaning robots use infrared sensing to perform anti-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V9/00G01S17/04
CPCG01S7/487G01S7/4813B25J9/1694G01S17/04
Inventor 吴家兴刘俊贤蔡雅惠李柏毅
Owner IND TECH RES INST