Multi-motor frequency control system and control method thereof

Patent metadata

Field	Value
Publication number	US-9748884-B2
Application number	US-201615228125-A
Country	US
Kind code	B2
Filing date	Aug 4, 2016
Priority date	Oct 8, 2015
Publication date	Aug 29, 2017
Grant date	Aug 29, 2017

Abstract

The invention provides a multi-motor frequency control system and a control method thereof. The system includes an event generation module, a control module, a signal selection module, a motor module including multiple motors, a driving module for driving the motor vibration, a frequency processing module, and a frequency reading module for reading the vibration frequency of at least one motor and giving feedback to the frequency processing module. Further, a control method of the multi-motor frequency control system is also provided.

First claim

What is claimed is:

1. A multi-motor frequency control system, comprising:
an event generation module for sending out the information corresponding to the trigger event;
a control module for analyzing the corresponding information of the event;
a signal selection module for selecting the needed frequency change signal of the event;
a motor module including multiple motors;
a frequency processing module which receives the event information exported by the control module and which select specific calculation method to calculate, then distribute the vibration frequency of each motor in the motor modules according to frequency signal exported by the signal selection module;
a driving module for driving the motor module to vibrate according to the vibration frequency exported by frequency processing module;
a frequency reading module for reading the vibration frequency of at least one motor and giving feedback to the frequency processing module; wherein
the frequency processing module calculates and distributes the vibration frequency to the driving module for driving the motor module to vibrate according to the vibration frequency and according to the information exported by the control module and the signal selection module.

2. The multi-motor frequency control system as described in claim 1 further comprising a signal storage module which is used for storing the frequency signal needed by the event.

3. The multi-motor frequency control system as described in claim 1 , wherein the frequency reading module comprises a detection module for detecting the frequency of the motor module.

4. The multi-motor frequency control system as described in claim 3 , wherein multiple detection modules are arranged to correspondingly and electrically connect with the motors.

5. The multi-motor frequency control system as described in claim 1 , wherein multiple driving modules for driving multiple motors respectively are provided.

6. A control method of the multi-motor frequency control system as described in claim 1 , wherein the method comprises the following steps:
S 1 : generating event A and generating the information corresponding to event A;
S 2 : analyzing the event information corresponding to the event A;
S 3 : selecting the frequency signal needed by event A;
S 4 : calculating and distributing the vibration frequency according to the event information obtained by S 2 and according to frequency signal obtained in S 3 ;
S 5 : driving the motor module to vibrate with vibration frequency obtained in S 4 ;
S 6 : reading the vibration frequency of at least one motor;
S 7 : repeating step 4 .

7. The control method as described in claim 6 , wherein the event information comprises the event type information and frequency information corresponding to the event.

8. The control method as described in claim 6 , wherein the frequency signal comprises the frequency change signal and vibration lasting time signal.

9. The control method as described in claim 6 , wherein the vibration frequency of one or multiple motors is read in step S 6 ; and in S 4 , new vibration frequency of the motor of the unread vibration frequency is calculated according to the vibration frequency of one or multiple motors and the specific calculation method.

10. The control method as described in claim 6 , wherein in S 6 the vibration frequency of all motors is read; and in S 4 new vibration frequency is calculated according to the vibration read and according to the specific calculation method.

Assignees

• Hu Xiaofei
• Wang Hongxing
• Wang Yao
• Aac Technologies Pte Ltd

Inventors

• Hu Xiaofei
• Wang Hongxing
• Wang Yao

Classifications

• H02P27/04

  using variable-frequency supply voltage, e.g. inverter or converter supply voltage · CPC title

• H02P25/032 Primary

  Reciprocating, oscillating or vibrating motors · CPC title