CN201311294Y - MEMS gyroscope with programmable slice system - Google Patents
MEMS gyroscope with programmable slice system Download PDFInfo
- Publication number
- CN201311294Y CN201311294Y CNU2008202244617U CN200820224461U CN201311294Y CN 201311294 Y CN201311294 Y CN 201311294Y CN U2008202244617 U CNU2008202244617 U CN U2008202244617U CN 200820224461 U CN200820224461 U CN 200820224461U CN 201311294 Y CN201311294 Y CN 201311294Y
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- amplifier
- programmable
- mems gyroscope
- analogy
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Abstract
An MEMS gyroscope with programmable slice system is provided with an amplifier and a low pass filter which are connected in series in a programmable digital analogy chip in turn, wherein the low pass filter is connected with a plurality of convertors in series, and the convertors are connected with an analogy-digital convertor, a sampling device and a M8C processor which are connected in series in turn in series, wherein a digital-analogy converter is connected between the input end of the amplifier and one output end of the M8C processor to form a negative feedback loop, and the other output end of the M8C processor is connected with the controller of a steering engine actuating mechanism, and the MEMS gyroscope chip and the amplifier are coupled and connected through a stopping condenser. The MEMS gyroscope chip measures angular speed and acceleration signals to confirm the size of 'deviation' in the X shaft and the Y shaft directions, and signals are processed and corrected by the analogy chip to dynamically change the flying postures of a steering engine, and the chip can accurately measure angular velocity signals, the analogy chip replaces a traditional complex analogy circuit which is adopted. The MEMS gyroscope with programmable slice system greatly reduces the volume and the weight, has safer and more reliable measuring precision and data transfer, and is beneficial for popularizing and applying on unmanned fliers.
Description
Technical field
The utility model relates to a kind of motion sensor, especially device integrated level height, can write a kind of MEMS gyroscope of embedded software program with programmable system on chip.
Background technology
Gyroscope is widely used in the position fixing and navigation system of key areas such as Aeronautics and Astronautics, navigation, geodetic surveying as motion sensor, under the environment of present various application product volume miniaturization, very high requirement has been proposed for the security of gyrostatic energy consumption, serviceable life, information processing, the versatility and the compatibility of interface; Special in the flight control system of unmanned vehicle, traditional mechanical rotor gyroscope can not satisfy the development trend and the application demand of the flight control system gyroscope miniaturization of present unmanned vehicle because response speed is slow, power consumption, life-span are short, complicated in mechanical structure and peripheral circuit morely cause inconvenient maintenance, volume weight is big, resistance to shock is poor, signal accuracy and shortcomings such as security is low, the versatility of interface and poor compatibility.
The utility model content
For addressing the above problem, the utility model is intended to propose a kind of MEMS gyroscope with programmable system on chip.
The technical scheme in the invention for solving the above technical problem is: a kind of MEMS gyroscope with programmable system on chip, it is characterized in that: the amplifier and the low-pass filter that in the programmable digital analog chip, make up the two-way series connection successively, the low-pass filter of two-way is connected in series with traffic pilot, the output terminal of traffic pilot and the analog to digital converter that is connected in series successively, sampler and the series connection of M8C processor, the linking number weighted-voltage D/A converter constitutes negative feedback loop between a signal output part of the signal input part of amplifier and M8C processor, and another output terminal of M8C processor is connected with the steering wheel actuator controller; Be of coupled connections through capacitance between MEMS GYROCHIP and the amplifier.
Amplifier of the present utility model is the PGA gain amplifier, and sampler is digital Sinc
2Digital filter; The MEMS GYROCHIP is ADIS16355 inertia measurement IC, and the programmable digital analog chip is a CY8C29466 programmable digital analog IC.
Measure the size that angular speed and acceleration signal are determined X, Y direction " deviation " by the MEMS GYROCHIP, output signal is handled through the programmable digital analog chip, sends the flight attitude that a correction signal dynamically changes unmanned aircraft steering engine; The integrated height of MEMS GYROCHIP, accurate measured angular rate signal, the constructed signal processing system of programmable digital analog chip is replaced and is adopted traditional complicated mimic channel, make volume and weight of the present utility model reduce greatly, measuring accuracy and data transmit safety and reliability, help this novel applying in the unmanned vehicle research and development.
Description of drawings
Fig. 1 the utility model circuit block diagram;
Fig. 2 is the utility model circuit diagram;
Among the figure: 1. programmable digital analog chip; 2. amplifier; 3. low-pass filter; 4. traffic pilot; 5. analog to digital converter; 6. sampler; 7.M8C processor; 8. digital to analog converter; 9. steering wheel actuator controller; 10.MEMS GYROCHIP; 11. capacitance.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
A kind of MEMS gyroscope as depicted in figs. 1 and 2 with programmable system on chip, MEMS GYROCHIP 10 is ADIS16355 inertia measurement IC, be the inertia induction system that complete three gyros and three axis accelerometer are formed, the angular speed and the acceleration of measurement of inductance aircraft (steering wheel) respectively; Programmable digital analog chip 1 is a CY8C29466 programmable digital analog IC, utilize design software and emulation boards such as PSoC Designer (TM) 5.0 component-level design softwares and PSoC Express 3.0, Express Pack 6a Archive be system-level, in CY8C29466 programmable digital analog IC, make up the PGA gain amplifier 2 and the LPF low-pass filter 3 of two-way series connection successively, the LPF low-pass filter 3 of two-way is connected in series with traffic pilot 4, the output terminal of traffic pilot 4 and the ADC analog to digital converter 5 that is connected in series successively, sampler 6 (Sinc
2Wave filter) and M8C processor 7 series connection, between a signal output part of the signal input part of amplifier 2 and M8C processor 7, be connected DAC digital to analog converter 8 and constitute negative feedback loops, M8C processor 7 another output terminals are connected with steering wheel actuator controller 9, and, the parameter of the constructed analog device of above-mentioned programmable digital analog chip 1 is set simultaneously at its this IC internal build other peripheral analog devices that match with above-mentioned analog device; Be of coupled connections through capacitance 11 between MEMS GYROCHIP 10 and the amplifier 2, form the utility model.The utility model is installed on the steering wheel (unmanned vehicle), its principle of work is: the angular speed of the three micromechanics electronics angle digit rate sensors among the ADIS16355 inertia measurement IC and the output of three micromechanics electron acceleration sensors and acceleration signal amplify signal through the PGA programmable-gain amplification that capacitance 11 devices enter CY8C29466 programmable digital analog IC, through LPF low-pass filter 3 filtering low-frequency interference signals, traffic pilot 4 timesharing are sent two paths of signals into ADC analog to digital converter 5 in turn, and it is exported through Sinc
2Wave filter extracts useful signal and delivers to M8C processor 7, the output two paths of signals, wherein one tunnel input end that feeds back to the PGA programmable gain amplifier 2 of CY8C29466 programmable digital analog IC through DAC digital to analog converter 8 and phase inverter and resistance constitutes a negative feedback, this negative feedback loop plays the stabilization of signal correction to this sensing system, it is steering wheel actuator controller 9 that another road output signal of M8C processor 7 is delivered to actuator controller 9, and the deviation of the flight attitude of steering wheel is carried out actual correction.
Claims (3)
1. MEMS gyroscope with programmable system on chip, it is characterized in that: the amplifier and the low-pass filter that in the programmable digital analog chip, make up the two-way series connection successively, the low-pass filter of two-way is connected in series with traffic pilot, the output terminal of traffic pilot is with analog to digital converter, sampler and the M8C processor of serial connection are connected successively, the linking number weighted-voltage D/A converter constitutes negative feedback loop between a signal output part of the signal input part of amplifier and M8C processor, and another output terminal of M8C processor is connected with the steering wheel actuator controller; Be of coupled connections through capacitance between MEMS GYROCHIP and the amplifier.
2. a kind of MEMS gyroscope according to claim 1 with programmable system on chip, it is characterized in that: described amplifier is the PGA gain amplifier, sampler is digital Sinc
2Digital filter.
3. a kind of MEMS gyroscope with programmable system on chip according to claim 1 is characterized in that: described MEMS GYROCHIP is ADIS16355 inertia measurement IC, and the programmable digital analog chip is a CY8C29466 programmable digital analog IC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202244617U CN201311294Y (en) | 2008-11-28 | 2008-11-28 | MEMS gyroscope with programmable slice system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202244617U CN201311294Y (en) | 2008-11-28 | 2008-11-28 | MEMS gyroscope with programmable slice system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311294Y true CN201311294Y (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202244617U Expired - Fee Related CN201311294Y (en) | 2008-11-28 | 2008-11-28 | MEMS gyroscope with programmable slice system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246366A (en) * | 2012-02-07 | 2013-08-14 | 穆克波有限公司 | Dynamic offset calibration |
| US10197587B2 (en) | 2012-03-17 | 2019-02-05 | MCube Inc. | Device and method for using time rate of change of sensor data to determine device rotation |
| US10324108B2 (en) | 2012-02-07 | 2019-06-18 | Mcube, Inc. | Dynamic offset correction for calibration of MEMS sensor |
| CN112147371A (en) * | 2019-06-27 | 2020-12-29 | 精工爱普生株式会社 | Physical quantity detection circuit, physical quantity sensor and fault diagnosis method thereof |
| CN112880657A (en) * | 2021-01-15 | 2021-06-01 | 清华大学 | System on chip for demodulating and controlling MEMS resonant gyroscope signal |
| CN116147601A (en) * | 2023-04-23 | 2023-05-23 | 成都量子时频科技有限公司 | Integrated triaxial nuclear magnetic resonance atomic gyroscope system |
-
2008
- 2008-11-28 CN CNU2008202244617U patent/CN201311294Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246366A (en) * | 2012-02-07 | 2013-08-14 | 穆克波有限公司 | Dynamic offset calibration |
| CN103246366B (en) * | 2012-02-07 | 2017-11-14 | 矽立科技有限公司 | Dynamic offset calibration |
| US10324108B2 (en) | 2012-02-07 | 2019-06-18 | Mcube, Inc. | Dynamic offset correction for calibration of MEMS sensor |
| US10197587B2 (en) | 2012-03-17 | 2019-02-05 | MCube Inc. | Device and method for using time rate of change of sensor data to determine device rotation |
| CN112147371A (en) * | 2019-06-27 | 2020-12-29 | 精工爱普生株式会社 | Physical quantity detection circuit, physical quantity sensor and fault diagnosis method thereof |
| CN112147371B (en) * | 2019-06-27 | 2022-11-11 | 精工爱普生株式会社 | Physical quantity detection circuit, physical quantity sensor, and failure diagnosis method for physical quantity sensor |
| CN112880657A (en) * | 2021-01-15 | 2021-06-01 | 清华大学 | System on chip for demodulating and controlling MEMS resonant gyroscope signal |
| CN112880657B (en) * | 2021-01-15 | 2023-02-07 | 清华大学 | System-on-a-chip for signal demodulation and control of MEMS resonant gyroscope |
| CN116147601A (en) * | 2023-04-23 | 2023-05-23 | 成都量子时频科技有限公司 | Integrated triaxial nuclear magnetic resonance atomic gyroscope system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN MILESTONE AVIATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHAO JIANQING Effective date: 20091211 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091211 Address after: Floor two, North building, Albert Park, Huli District, Fujian City, Xiamen Province, China: 361006 Patentee after: Xiamen Milestone Aviation Technology Co., Ltd. Address before: Xiange Siming District of Xiamen city in Fujian province in 141-201, zip code: 361012 Co-patentee before: Ma Delin Patentee before: Zhao Jian Qing |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20111128 |