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Adaptive plant touch detection method

A touch detection and self-adaptive technology, which is applied in the field of self-adaptive plant touch detection, can solve the problems of decreased sensitivity, inapplicability and unconnected mains electricity, etc., and achieve the effect of preventing failure

Active Publication Date: 2018-11-06
阳森供应链管理(日照)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can have a better detection effect when the touch sensitivity is a fixed value, but when the touch sensitivity is changing, a specific threshold can be found to adapt to this application, such as the intelligent detection of plant touch When the hardware is connected to the mains, the sensitivity is very high, but when the built-in battery is used for power supply, the sensitivity will drop sharply. Different parts or different contact areas will lead to different sensitivities, and the fixed incremental threshold method cannot adapt to this situation.

Method used

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Experimental program
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Effect test

Embodiment 1

[0045] Such as figure 1 As shown, an adaptive plant touch detection method, the method is implemented by a capacitance detection circuit, and after the capacitance detection circuit is initialized, it includes the following steps:

[0046] Step 1: Obtain capacitance parameters through the capacitance detection circuit;

[0047] In the process of industrial design and manufacturing, there are many types of capacitance detection circuits that can be selected, such as RC charge and discharge capacitance detection circuits, resonant capacitance detection circuits, and oscillator type capacitance detection circuits. In this embodiment, RC charge and discharge Take the capacitance detection circuit as an example. The capacitance parameter is to charge and discharge the RC charge and discharge capacitance detection circuit and detect the charge and discharge time. Through this principle, the connection between the GND terminal and the soil of the RC charge and discharge capacitance d...

Embodiment 2

[0063] Such as figure 1 and 2 As shown, an adaptive plant touch detection method, the method is implemented by a capacitance detection circuit, and after the capacitance detection circuit is initialized, it includes the following steps:

[0064] Step 1: Obtain capacitance parameters through the capacitance detection circuit;

[0065] Step 2: Obtain the first capacitance parameter set B1 according to the capacitance parameter, and determine whether it is in the no-touch state S0 according to the capacitance parameter, if yes, perform step 1, if not, obtain the first threshold R1 according to the first capacitance parameter set B1, And execute step 3;

[0066] Step 3: judge whether it is in the touch state S according to the first threshold R1, if yes, obtain the second capacitance parameter set B2 in the touch state S, and execute step 4; if not, execute step 1;

[0067] The touch state S is composed of a touch start state S1, a touch state S2 and a touch complete state S3; ...

Embodiment 3

[0101] This embodiment provides a specific capacitance detection circuit, and the capacitance detection circuit is applicable to the above-mentioned Embodiments 1 and 2.

[0102] Such as figure 1 As shown, it includes a main control chip 1, and also includes a resistor R, a capacitor C2 and a metal sheet 2 for embedding in the soil of the plant 4. The main control chip 1 is provided with a GND terminal 3, and the main control chip 1 is provided with a GND terminal 3. The chip 1 is provided with a first I / O port 11 and a second I / O port 12;

[0103] Wherein, the resistor is set between the first I / O port 11 and the second I / O port 12, the second I / O port 12 is connected to the plant 4 soil, and the capacitor C2 is set between the GND terminal 3 and the second I / O port 12. Between the two I / O ports 12 , the metal sheet 2 is connected to the GND terminal 3 .

[0104] Further, it also includes a touch detection terminal 5 buried in the soil of the plant 4 , the soil of the plant...

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Abstract

The invention discloses an adaptive plant touch detection method. The method is implemented through a capacitance detection circuit. After the capacitance detection circuit is initialized, the method comprises the following steps that 1, capacitance parameters are acquired through the capacitance detection circuit; 2, a first capacitance parameter set B1 is obtained according to the capacitance parameters, and whether a plant is in a touch-free state S0 or not is judged according to the capacitance parameters; 3, whether the plant is in a touch state S or not is judged according to a first threshold value R1; 4, the steps are repeated from 1 to 3 till a second capacitance parameter set B2 with a preset number is acquired; 5, a second threshold value R2 is determined according to the second capacitance parameter set B2 and the first capacitance parameter set B1; 6, whether the plant is touched or not is detected according to the second threshold value R2. The adaptive plant touch detection method is high in detection accuracy, high in sensitivity and adaptive to outside environmental changes.

Description

technical field [0001] The invention relates to the field of home intelligence, in particular to an adaptive plant touch detection method. Background technique [0002] In recent years, natural plants have become more and more popular as a medium for human-computer interaction. The specific manifestation is that plants act as a switch, which can control electronic devices such as desk lamps and music players when touched. At present, the main touch detection algorithm is the fixed threshold method, that is, a fixed threshold is set, and the measured value greater than the threshold is regarded as a touch event, otherwise it is the background, but this touch detection algorithm is not suitable for plant touch. Application, because of the different types of plants, soil types, soil moisture, and potting materials, the background amount of plant detection will be different, and the touch will fail when the environment is changed. For the application situation where the backgro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044
CPCG06F3/044
Inventor 张荫来
Owner 阳森供应链管理(日照)有限公司