CN203687955U - Micro-electromechanical systems (MEMS)-based simulated writing brush attitude measurement device - Google Patents
Micro-electromechanical systems (MEMS)-based simulated writing brush attitude measurement device Download PDFInfo
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- CN203687955U CN203687955U CN201320685612.XU CN201320685612U CN203687955U CN 203687955 U CN203687955 U CN 203687955U CN 201320685612 U CN201320685612 U CN 201320685612U CN 203687955 U CN203687955 U CN 203687955U
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- writing brush
- microprocessor
- attitude
- mems
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- 238000005259 measurement Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 206010034719 Personality change Diseases 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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Abstract
The utility model relates to a micro-electromechanical system (MEMS)-based simulated writing brush attitude measurement device and belongs to the technical field of virtual drawing. The simulated writing brush attitude measurement device comprises an MEMS inertia measurement unit, a microprocessor, wireless transmission equipment and a storage battery, wherein the MEMS inertia measurement unit, the microprocessor, the wireless transmission equipment and the storage battery are sequentially arranged in a holder of the writing brush according to the direction of the holder of the simulated writing brush; the MEMS inertia measurement unit is an attitude measurement element and is connected with the microprocessor; and the microprocessor is a data processing element and is connected with the wireless transmission equipment. A user performs virtual drawing on a tablet personal computer by using the simulated writing brush, and when the simulated writing brush rotates around a certain vector in space, the measurement device directly outputs quaternion which describes the attitude change of the simulated writing brush, and a novel attitude vector of the simulated writing brush is calculated through geometric transformation. The attitude vector is transmitted to the tablet personal computer through the wireless transmission equipment, and the measurement device is used for virtual drawing and reproducing the actual drawing process.
Description
Technical field
The utility model belongs to virtually drawing technical field, particularly a kind of emulation writing brush attitude measuring based on MEMS.
Background technology
In calligraphy, painting process, writing brush attitude is one of key factor affecting calligraphy, painting effect.Therefore attitude, how to measure emulation writing brush is the key in virtually drawing process.Nelson S.H.Chu etc. document " Nelson S.H.Chu; Chiew-Lan Tai.Real-Time Paintingwith an Expressive Virtual Chinese Brush[J] .IEEE Computer Graphics and Applications; Vol24; No.5; pp.76-85; 2004. " in propose to install minisize gyroscopes detect the attitude information of writing brush on writing brush, complete virtually drawing process, but because minisize gyroscopes volume, weight are large, operation inconvenience, affects virtually drawing process.
Utility model content
The utility model provides a kind of emulation writing brush attitude measuring based on MEMS, carries out the real-time detection of emulation writing brush orientation vector, completes virtually drawing process.
The technical solution of the utility model is:
An emulation writing brush attitude measuring based on MEMS, comprises MEMS Inertial Measurement Unit, microprocessor, radio transmission apparatus and accumulator.MEMS Inertial Measurement Unit, microprocessor, radio transmission apparatus, accumulator are arranged in emulation writing brush penholder along emulation writing brush penholder direction order, and wherein, accumulator is positioned at the top of emulation writing brush penholder.MEMS Inertial Measurement Unit is the attitude measurement element of this device, and the attitude information of detection simulation writing brush, is connected with microprocessor in real time; Microprocessor is the data handling component of this device, is connected with radio transmission apparatus; Radio transmission apparatus carries out data wireless transmission between emulation writing brush and panel computer; Accumulator is the power supply of this device.
The beneficial effects of the utility model are: utilize this device to detect in real time the orientation vector of emulation writing brush in virtually drawing process, be directly used in virtually drawing process control, reproduce actual drawing process.Owing to adopting MEMS technology, this device volume is little, lightweight.
Brief description of the drawings
Accompanying drawing is the utility model diagrammatic cross-section.
In figure: 1. emulation brush writing skill; 2. emulation writing brush penholder; 3.MEMS Inertial Measurement Unit; 4. microprocessor; 5. radio transmission apparatus; 6. accumulator.
Embodiment
Below in conjunction with technical scheme and accompanying drawing, describe embodiment of the present utility model in detail.
As shown in drawings, this device comprises MEMS Inertial Measurement Unit 3, microprocessor 4, radio transmission apparatus 5 and accumulator 6.MEMS Inertial Measurement Unit 3, microprocessor 4, radio transmission apparatus 5, accumulator 6 are arranged in emulation writing brush penholder 2 along emulation writing brush penholder 2 direction orders, and wherein, accumulator 6 is positioned at the top of emulation writing brush penholder 2.MEMS Inertial Measurement Unit 3 is attitude measurement elements of this device, and the orientation vector of detection simulation writing brush, is connected with microprocessor 4 in real time, and emulation writing brush orientation vector information is sent into microprocessor 4; Microprocessor 4 is data handling components of this device, is connected with radio transmission apparatus 5; Radio transmission apparatus 5 carries out data wireless transmission between emulation writing brush and panel computer; Accumulator 6 is power supplys of MEMS Inertial Measurement Unit 3, microprocessor 4, radio transmission apparatus 5.
User uses emulation writing brush on panel computer, to carry out virtually drawing, in the time that emulation writing brush rotates around space vector, measurement mechanism is directly exported and is described the hypercomplex number that emulation writing brush attitude changes, calculate by geometric transformation the orientation vector that emulation writing brush is new, this orientation vector is transferred to panel computer by radio transmission apparatus, for virtually drawing process.
Claims (1)
1. the emulation writing brush attitude measuring based on MEMS, is characterized in that:
This emulation writing brush attitude measuring comprises MEMS Inertial Measurement Unit, microprocessor, radio transmission apparatus and accumulator;
MEMS Inertial Measurement Unit, microprocessor, radio transmission apparatus, accumulator are arranged in emulation writing brush penholder along emulation writing brush penholder direction order, and wherein, accumulator is positioned at the top of emulation writing brush penholder;
MEMS Inertial Measurement Unit is attitude measurement element, and the attitude information of detection simulation writing brush, is connected with microprocessor in real time;
Microprocessor is data handling component, is connected with radio transmission apparatus;
Radio transmission apparatus carries out data wireless transmission between emulation writing brush and panel computer;
Accumulator is power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685612.XU CN203687955U (en) | 2013-10-31 | 2013-10-31 | Micro-electromechanical systems (MEMS)-based simulated writing brush attitude measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685612.XU CN203687955U (en) | 2013-10-31 | 2013-10-31 | Micro-electromechanical systems (MEMS)-based simulated writing brush attitude measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203687955U true CN203687955U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320685612.XU Expired - Fee Related CN203687955U (en) | 2013-10-31 | 2013-10-31 | Micro-electromechanical systems (MEMS)-based simulated writing brush attitude measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203687955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616022A (en) * | 2013-10-31 | 2014-03-05 | 大连理工大学 | Simulation writing brush gesture measuring device on basis of MEMS |
| CN104385808B (en) * | 2014-10-27 | 2016-06-29 | 邓乐安 | Former handwriting record smart pen based on inertia measurement |
-
2013
- 2013-10-31 CN CN201320685612.XU patent/CN203687955U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616022A (en) * | 2013-10-31 | 2014-03-05 | 大连理工大学 | Simulation writing brush gesture measuring device on basis of MEMS |
| CN104385808B (en) * | 2014-10-27 | 2016-06-29 | 邓乐安 | Former handwriting record smart pen based on inertia measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hou Zengxuan Inventor after: Yang Guangqing Inventor after: Guo Chao Inventor after: Zheng Shuanzhu Inventor after: Chen Guangzhou Inventor after: Li Junqiang Inventor after: Huang Lei Inventor before: Hou Zengxuan Inventor before: Yang Guangqing Inventor before: Guo Chao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HOU ZENGXUAN YANG GUANGQING GUO CHAO TO: HOU ZENGXUAN YANG GUANGQING GUO CHAO ZHENG SHUANZHU CHEN GUANGZHOU LI JUNQIANG HUANG LEI |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20161031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |