CN205300595U - Novel MEMS vertical gyro detecting system - Google Patents
Novel MEMS vertical gyro detecting system Download PDFInfo
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- CN205300595U CN205300595U CN201520811414.2U CN201520811414U CN205300595U CN 205300595 U CN205300595 U CN 205300595U CN 201520811414 U CN201520811414 U CN 201520811414U CN 205300595 U CN205300595 U CN 205300595U
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Abstract
The utility model provides a novel MEMS vertical gyro detecting system including AD conversion module, digital filtering module and DSP digital information processing unit, still includes triaxial micromechanics accelerometer and triaxial micromechanics rate gyro, and triaxial micromechanics accelerometer and triaxial micromechanics rate gyro all are connected with AD conversion module, and AD conversion module is connected with the digital filtering module, and the digital filtering module is connected with DSP digital information processing unit. The utility model discloses it is convenient with outside crosslinked, improve information transmission efficiency, simple structure, it is small, simple to operate, light in weight, the power is single, the low power dissipation, the activation time is short, and the reliability is high, and shock -resistant, environmental suitability is good.
Description
Technical field
The utility model belongs to vertical gyroscope technical field, is specifically related to a kind of novel MEMS vertical gyro detection system.
Background technology
Vertical gyro is the instrument for measuring carrier attitude, output carrier attitude signal, and angle of pitch signal and inclination angle signal, be mainly used on the carriers such as aircraft, naval vessel, battlebus. At present, the stability measurement angle of pitch and the inclination angle of domestic like product general using electro-mechanical gyro, pass through two liquid electric switches vertical line direction sensitively in length and breadth simultaneously, control longitudinally to revise motor and laterally revise motor and make gyroscopic procession, thereby follow the tracks of ground vertical line, export the attitude angle signal of carrier with respect to local ground vertical line by angular transducer, its shortcoming is: complex structure, volume is large, and Heavy Weight adopts three-phase alternating current, direct current power supply mode simultaneously, power supply complexity, power consumption is high, and attitude is output as analog signal, uses inconvenient. Therefore be necessary to propose to improve.
Utility model content
The technical problem that the utility model solves: a kind of novel MEMS vertical gyro detection system is provided, adopt three axle micro-mechanical accelerometers and three axle micromechanics rate gyroscope inertia devices to measure linear acceleration and the angle of rotation speed of carrier, and resolve carrier attitude signal by the A/D modular converter by MCU micro-control unit controls and digital filtering module and DSP digital information processing unit, output attitude information, crosslinked convenient with other control system, simple in structure, volume is little, easy for installation, lightweight, power supply is single, low in energy consumption, attitude is output as data signal, accurately directly perceived, start-up time is short, reliability is high, shock-resistant, good environmental adaptability.
The technical solution adopted in the utility model: novel MEMS vertical gyro detection system, comprise A/D modular converter, digital filtering module and DSP digital information processing unit, also comprise three axle micro-mechanical accelerometers and three axle micromechanics rate gyroscopes, described three axle micro-mechanical accelerometers and three axle micromechanics rate gyroscopes are all fixed on carrier, described three axle micro-mechanical accelerometers are all connected with A/D modular converter with three axle micromechanics rate gyroscopes, described A/D modular converter is connected with digital filtering module, described digital filtering module is connected with DSP digital information processing unit, the sensitive axes of described three axle micro-mechanical accelerometers and three axle micromechanics rate gyroscopes is pointed to respectively three mutually orthogonal reference axis of vehicle coordinate system.
Further, described A/D modular converter and digital filtering module adopt MCU micro-control unit to control.
The utility model advantage compared with prior art:
1, the utility model adopts three axle micro-mechanical accelerometers and three axle micromechanics rate gyroscope inertia devices to measure linear acceleration and the angle of rotation speed of carrier, and resolve carrier attitude signal by the A/D modular converter by MCU micro-control unit controls and digital filtering module and DSP digital information processing unit, the output angle of pitch, inclination angle and status information, crosslinked convenient with other airborne, carrier-borne, vehicle-mounted management and control system, improve information transfer efficiency;
2, the utility model is simple in structure, and volume is little, easy for installation, lightweight, and power supply is single, low in energy consumption, and attitude is output as data signal, and start-up time is short, and reliability is high, shock-resistant, good environmental adaptability.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, embodiment of the present utility model is described.
Novel MEMS vertical gyro detection system, as shown in Figure 1, comprise A/D modular converter 3, digital filtering module 4 and DSP digital information processing unit, also comprise three axle micro-mechanical accelerometers 1 and three axle micromechanics rate gyroscopes 2, wherein, described three axle micro-mechanical accelerometers 1 and three axle micromechanics rate gyroscopes 2 are all fixed on carrier, the sensitive axes of described three axle micro-mechanical accelerometers 1 and three axle micromechanics rate gyroscopes 2 is pointed to respectively three mutually orthogonal reference axis of vehicle coordinate system, described A/D modular converter 3 and digital filtering module 4 adopt MCU micro-control unit to control, described DSP digital information processing unit comprises error compensation module 5, attitude algorithm module 6 and Kalman filtration module 7. concrete, described three axle micro-mechanical accelerometers 1 are all connected with A/D modular converter 3 with three axle micromechanics rate gyroscopes 2, described A/D modular converter 3 is connected with digital filtering module 4, described digital filtering module 4 is connected with attitude algorithm module 6 by error compensation module 5, described attitude algorithm module 6 is connected with Kalman filtration module 7, and the attitude information that described Kalman filtration module 7 is exported is exported after by mode of operation control 8 discriminatory analysises.
Three axle micro-mechanical accelerometers 1 are measured the linear acceleration of carrier, three axle micromechanics rate gyroscopes 2 are measured the angle of rotation speed of carrier, the signal that three axle micro-mechanical accelerometers 1 and three axle micromechanics rate gyroscopes 2 detect is converted to digital information by A/D modular converter 3, digital information is after digital filtering module 4 filtering, by error compensation module 5, attitude algorithm module 6 and Kalman filtration module 7 carry out the alignment error compensation to three axle micro-mechanical accelerometers 1 and three axle micromechanics rate gyroscopes 2, temperature-compensating, attitude matrix calculates, Kalman filtering processing, and require the corresponding attitude information of output according to mode of operation control 8 patterns. wherein, attitude matrix calculates and comprises that second order Runge-Kutta method solves quaternion differential equation, hypercomplex number normalized, hypercomplex number renewal, attitude matrix upgrades and attitude matrix calculates attitude angle, Kalman filtering comprises estimation error, error compensation and data fusion.
The utility model and other airborne, carrier-borne, vehicle-mounted management and control system are crosslinked convenient, improve information transfer efficiency, have simple in structure, volume is little, easy for installation, lightweight, power supply is single, low in energy consumption, attitude is output as data signal, and start-up time is short, and reliability is high, shock-resistant, good environmental adaptability.
Above-described embodiment, is preferred embodiment of the present utility model, is not used for limiting the utility model practical range, and the equivalence of being done with content described in the utility model claim therefore all changes, within all should being included in the utility model claim scope.
Claims (2)
1. novel MEMS vertical gyro detection system, comprise A/D modular converter (3), digital filtering module (4) and DSP digital information processing unit, it is characterized in that: also comprise three axle micro-mechanical accelerometers (1) and three axle micromechanics rate gyroscopes (2), described three axle micro-mechanical accelerometers (1) and three axle micromechanics rate gyroscopes (2) are all fixed on carrier, described three axle micro-mechanical accelerometers (1) are all connected with A/D modular converter (3) with three axle micromechanics rate gyroscopes (2), described A/D modular converter (3) is connected with digital filtering module (4), described digital filtering module (4) is connected with DSP digital information processing unit, the sensitive axes of described three axle micro-mechanical accelerometers (1) and three axle micromechanics rate gyroscopes (2) is pointed to respectively three mutually orthogonal reference axis of vehicle coordinate system.
2. novel MEMS vertical gyro detection system according to claim 1, is characterized in that: described A/D modular converter (3) and digital filtering module (4) adopt MCU micro-control unit to control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811414.2U CN205300595U (en) | 2015-10-19 | 2015-10-19 | Novel MEMS vertical gyro detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811414.2U CN205300595U (en) | 2015-10-19 | 2015-10-19 | Novel MEMS vertical gyro detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205300595U true CN205300595U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520811414.2U Expired - Fee Related CN205300595U (en) | 2015-10-19 | 2015-10-19 | Novel MEMS vertical gyro detecting system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205300595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895967A (en) * | 2020-06-24 | 2020-11-06 | 青岛合启立智能科技有限公司 | Rotation angle sensor |
-
2015
- 2015-10-19 CN CN201520811414.2U patent/CN205300595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895967A (en) * | 2020-06-24 | 2020-11-06 | 青岛合启立智能科技有限公司 | Rotation angle sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20171019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |