CN103023222A - Azimuth-drive motor system structure of heavy load inertially stabilized platform - Google Patents
Azimuth-drive motor system structure of heavy load inertially stabilized platform Download PDFInfo
- Publication number
- CN103023222A CN103023222A CN2013100095793A CN201310009579A CN103023222A CN 103023222 A CN103023222 A CN 103023222A CN 2013100095793 A CN2013100095793 A CN 2013100095793A CN 201310009579 A CN201310009579 A CN 201310009579A CN 103023222 A CN103023222 A CN 103023222A
- Authority
- CN
- China
- Prior art keywords
- read head
- motor
- azimuth
- tightening
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
An azimuth-drive motor system structure of a heavy load inertially stabilized platform comprises an azimuth-drive motor body structure, a motor measuring structure and a motor locking mechanism. The azimuth-drive motor body structure comprises a motor stator and a motor rotor. The motor measuring structure comprises a grating measuring ruler structure and a grating read head structure. The motor locking mechanism comprises a motor locking spring and a motor locking pin. The azimuth-drive motor body structure realizes control of azimuth direction freedom degree, and realizes isolation of airplane azimuth direction angle motions according to control instructions. The motor measuring structure finishes angle information measurement of azimuth direction relative rotary angles, and feeds back to a processor to complete accurate control of azimuth direction. The motor locking mechanism realizes static state of the heavy load inertially stabilized platform, and guarantees fixed azimuth pose during aerial photography and absolute static during non-working state.
Description
Technical field
The invention belongs to the aerial remote sens ing technique field, be applicable to carry large and the less air remote sensing heavy load three axle inertially stabilized platform systems of requirement deadweight, relate to a kind of azimuth-drive motor that is installed on heavy load inertially stabilized platform inside, free, the accurate adjustment of azimuth direction and the conversion work under the different motion state can be provided, also can be used among other mechanical mechanism that needs major diameter, small size, light weight, high-precision motor.
Background technology
Air remote sensing heavy load inertially stabilized platform is one of key equipment of airborne earth observation, its function is to be supported to as load and to isolate the motion of three direction attitude angle of flight carrier and external disturbance, the imaging load optical axis is followed the tracks of in inertial space all the time and perpendicular to local level, improved imaging resolution.Yet because the aerospace applications environmental limit, need to have simultaneously the characteristics such as little, the lightweight and bearing ratio of volume is large on the inertially stabilized platform structure, therefore need under the prerequisite that satisfies the dynamic and static state performance requirement, carry out the compactedness optimal design in the design.
In existing aviation inertially stabilized platform design, yet there are many deficiencies in existing inertially stabilized platform, aggregate performance is that the systematicness of the aspects such as, load/from anharmonic ratio little large at volume, low precision is not enough, namely is difficult to find the product that integrates above each side advantage.Wherein the driving of azimuth direction and transmission thereof are particularly crucial for this, and existing orientation is moved indirectly mainly with the one-level gear drive, so that heavy load inertially stabilized platform mass penalty and can't realize that attitude directly drives fine setting causes its precision to be difficult to further raising.
Summary of the invention
Technology of the present invention is dealt with problems and is: for the deficiency that orientation in the air remote sensing three axle inertially stabilized platforms drives, propose that a kind of precision is high, volume is little, quality is light, the azimuth-drive motor of the heavy load inertially stabilized platform of compact conformation.
Technical solution of the present invention is specific as follows: a kind of azimuth-drive motor system configuration of heavy load inertially stabilized platform is characterized in that comprising: stator tightening sunk screw 1, motor stator holder 2, stator coil 3, motor stator 4, permanent magnet 5, rotor 6, rotor seat 7, cover plate tightening sunk screw 8, read head are installed rebound 9, rebound tightening soket head cap screw 1O, read head mounting panel 11, spring 12, read head mounting panel tightening soket head cap screw 13, read head tightening sunk screw 14, grating read head 15, grating scale 16, latch 17, rotor cover plate 18.Described stator tightening sunk screw 1, motor stator holder 2, stator coil 3, motor stator 4, permanent magnet 5, rotor 6, rotor seat 7, rotor cover plate 18 consist of azimuth-drive motor body construction part; Described cover plate tightening sunk screw 8, read head are installed rebound 9, rebound tightening soket head cap screw 1O, read head mounting panel 11, read head mounting panel tightening soket head cap screw 13, read head tightening sunk screw 14, grating read head 15, grating scale 16 formation motors measurement structure divisions; Described read head is installed rebound 9, rebound tightening soket head cap screw 1O, read head mounting panel 11, spring 12, read head mounting panel tightening soket head cap screw 13, latch 17, rotor cover plate 18 formation motor locking mechanism parts.Motor stator holder 2, rotor seat 7 are used for mounted motor stator 4, rotor 6, they are individually fixed in the diverse location of heavy load inertially stabilized platform, and couple together by support component, support component can be wire roller bearing or magnetic suspension bearing, just can realize like this rotation of azimuth direction between stator rotor.Motor stator 4 is fixed on the motor stator holder 2 by stator tightening sunk screw 1, and realizes axial location by the step 20 on the motor stator holder 2, and stator coil 3 is wrapped in the teeth groove inside of motor stator 4.Rotor 6 interference fit by 8 tightenings of cover plate tightening sunk screw, realize axial location by the step 19 on the rotor seat 7 on rotor seat 7 and by rotor cover plate 18.Read head is installed rebound 9 and is installed on the motor stator holder 2 by rebound tightening soket head cap screw 1O, connect grating read head 15 by read head mounting panel 11, read head mounting panel tightening soket head cap screw 13, read head tightening sunk screw 14 are holding screw, grating scale 16 is affixed on rotor cover plate 18 by gluing, pastes by positioning marking and realizes.Latch 17 is in read head is installed the draw-in groove of rebound 9 and read head mounting panel 11, and to be in different gears can be that latch enters or in the tightening hole that goes out rotor cover plate 18, can stop controlling to turning of motor like this by promoting latch 17.
In order to reach the thickness that reduces motor yoke, the requirement that improves motor torque density, reduction motor weight, motor need to be designed to more number of poles.
For reach the utilance that reduces the motor stator external diameter, improve groove, just with the requirement that realizes processing, the pole span of motor is designed to radially 6 ° of equal distribution, and the groove number of every extremely every phase is designed to 60.
For the electromotive force sinusoidal waveform that obtains standard, the slot effect that reduces magneto, the winding configuration of motor is elected fractional slot winding as.
In order to obtain a comparatively sinusoidal air gap flux density waveform, the permanent magnet 5 of rotor is designed to the outstanding steamed bun shape of profile.
In order effectively to reduce unilateral magnetic force and the cogging torque fluctuation that the electric machine assembly alignment error brings, during design suitable increase the air gap of motor internal.
For the difficulty that reduces installation increases the precision of assembling, processed two ladder platforms 19,20 at motor stator holder 2, rotor seat 7, be convenient to install the location.
In order to realize the grating pin-point reading, grating scale 16 location of will ruling when mounted; Grating read head mounting panel 11 is designed to different-thickness, selects to finish axial adjustment and realizes accurately location so that carry out as the case may be thickness when installing; Grating read head mounting panel 11 tightening modes are gapped unthreaded hole, realize accurately location so that finish radiai adjustment.
In order to realize the grating pin-point reading, read head is installed rebound 9, read head mounting panel 11 faying face places, and grating read head 15, read head mounting panel 11 faying faces need have higher machining shape position of related features; Also will there be higher machining shape position of related features on the face of cylinder, rotor cover plate 18 outside.
In order to realize that heavy load inertially stabilized platform orientation framework can remain static, designed the motor locking mechanism that is comprised of spring 12, latch 17 at read head installation rebound 9, read head mounting panel 11, latch 17 is withstood respectively at these mechanism's medi-spring 12 two ends and read head is installed rebound 9, read head mounting panel 11.The locked elastic force that provides of motor is provided spring 12.
Principle of the present invention is: the azimuth-drive motor of heavy load inertially stabilized platform of the present invention has realized directly driving orientation motion, high accuracy control azimuth corner attitude.The present invention is by azimuth-drive motor body construction part: motor stator, rotor; Motor is measured structure division: grating encoder structure, grating read head structure; Motor locking mechanism part: the locked spring of motor, the locked latch of motor.The body construction of azimuth-drive motor is realized the control of the azimuth direction degree of freedom, realizes the isolation of bearing of aircraft deflection motion according to control command.Motor is measured structure division and is finished the information measurement of azimuth direction relative rotation angle, and feeds back to processor and finish azimuth direction and precisely control.The motor locking mechanism is partly realized the inactive state of heavy load inertially stabilized platform azimuth direction, the constant bearing pose in the time of can guaranteeing to take photo by plane and the absolute rest when being in non operating state.The present invention is orientation motion design in the heavy load inertially stabilized platform specially, that has realized azimuth direction in the heavy load inertially stabilized platform directly drives transmission, simplified the structural design of heavy load inertially stabilized platform, can effectively isolate the angular movement of azimuth direction aircraft disturbs, improve platform bearer ability and lasting accuracy, be applicable to the orientation drive system of air remote sensing, target following etc.
The present invention's advantage compared with prior art is:
(1) structure of the present invention has realized the locked compact motor-driven design that is integrated of high accuracy, small size, lightweight and the angular surveying of current collection machine, motor in heavy load inertially stabilized platform orientation.
(2) motor pole number of the present invention pole span higher, motor groove number less and every extremely every phase is also smaller, reduced like this motor yoke thickness, improved motor torque density, reduced the motor stator external diameter, reduced motor weight, improved the utilance of groove and just realize with processing.
(3) to adopt the winding configuration of motor be fractional slot winding to the motor among the present invention, obtained electromotive force sinusoidal waveform preferably, reduced the slot effect of magneto.
(4) the rotor permanent magnet among the present invention adopts through optimal design and is shaped as outstanding steamed bun shape, has obtained so a comparatively sinusoidal air gap flux density waveform of rule.
(5) monolateral air gap is 2mm between rotor of the present invention, motor stator, suitable increase the motor internal air gap, effectively reduced unilateral magnetic force and cogging torque fluctuation that the electric machine assembly alignment error is brought.
(6) the present invention adopts grating scale circumferentially to paste, measure the rotation of azimuth-drive motor drive azimuth direction, can realize on a large scale adaptation and the high-precision control of variations in temperature, grating scale and read head mounting structure thereof adopt the accurate machine construction design and manufacture, guarantee the precision of installing and measuring.
(7) current collection machine of the present invention drives, electric machine rotation is measured, motor is locked is integrated, and the motor locking mechanism is compact, design among electric machine rotation is measured structure cleverly, the design that simplifies the structure, has alleviated whole quality.
Description of drawings
Fig. 1 is heavy load inertially stabilized platform azimuth-drive motor overall structure diagram;
Fig. 2 is heavy load inertially stabilized platform azimuth-drive motor body construction diagram;
Fig. 3 is heavy load inertially stabilized platform azimuth-drive motor stator teeth groove diagram;
Fig. 4 is heavy load inertially stabilized platform azimuth-drive motor rotor permanent magnet and the diagram that magnetizes thereof;
Fig. 5 is that heavy load inertially stabilized platform azimuth-drive motor U phase winding end connects diagram.
Embodiment
As shown in Figure 1, the present invention installs rebound 9, rebound tightening soket head cap screw 1O, read head mounting panel 11, spring 12, read head mounting panel tightening soket head cap screw 13, read head tightening sunk screw 14, grating read head 15, grating scale 16, latch 17, rotor cover plate 18 by stator tightening sunk screw 1, motor stator holder 2, stator coil 3, motor stator 4, permanent magnet 5, rotor 6, rotor seat 7, cover plate tightening sunk screw 8, read head.Stator tightening sunk screw 1, motor stator holder 2, stator coil 3, motor stator 4, permanent magnet 5, rotor 6, rotor seat 7, rotor cover plate 18 consist of azimuth-drive motor body construction part; Cover plate tightening sunk screw 8, read head are installed rebound 9, rebound tightening soket head cap screw 1O, read head mounting panel 11, read head mounting panel tightening soket head cap screw 13, read head tightening sunk screw 14, grating read head 15, grating scale 16 formation motors measurement structure divisions; Read head is installed rebound 9, rebound tightening soket head cap screw 1O, read head mounting panel 11, spring 12, read head mounting panel tightening soket head cap screw 13, latch 17, rotor cover plate 18 formation motor locking mechanism parts.
Read head is installed rebound 9 and is installed on the motor stator holder 2 by rebound tightening soket head cap screw 1O, connect grating read head 15 by read head mounting panel 11, read head mounting panel tightening soket head cap screw 13, read head tightening sunk screw 14 are holding screw, grating scale 16 is affixed on rotor cover plate 18 by gluing, realizes by positioning marking when pasting.
Latch 17 is in read head is installed the cylindricality draw-in groove of rebound 9 and read head mounting panel 11, and to be in different gears can be that latch enters or in the tightening hole that goes out rotor cover plate 18, can stop controlling to turning of motor like this by promoting latch 17.
As shown in Figure 1, the azimuth-drive motor system configuration of heavy load inertially stabilized platform for the difficulty that reduces installation increases the precision of assembling, has been processed two ladder platforms 19,20 at motor stator holder 2, rotor seat 7, is convenient to install the location.
As shown in Figure 1, in order to realize the grating pin-point reading, grating scale 16 location of will ruling when mounted; Grating read head mounting panel 11 is designed to different-thickness, selects to finish axial adjustment and realizes accurately location so that carry out as the case may be thickness when installing; Grating read head mounting panel 11 tightening modes are gapped unthreaded hole, realize accurately location so that finish radiai adjustment.Read head is installed rebound 9, read head mounting panel 11 faying face places, and grating read head 15, read head mounting panel 11 faying faces need have higher machining shape position of related features; Also will there be higher machining shape position of related features on the face of cylinder, rotor cover plate 18 outside.
As shown in Figure 1, in order to realize that heavy load inertially stabilized platform orientation framework can remain static, designed the motor locking mechanism that is comprised of spring 12, latch 17 at read head installation rebound 9, read head mounting panel 11, latch 17 is withstood respectively at spring 12 two ends and read head is installed rebound 9, read head mounting panel 11; The locked elastic force that provides of motor is provided spring 12.
Be depicted as the body construction of azimuth-drive motor such as accompanying drawing 2,3, can find out that the groove number that motor pole number is many, the pole span of motor is 6 ° of equal distribution and every extremely every phase is 60, reduced like this motor yoke thickness, improved motor torque density, reduced the motor stator external diameter, reduced motor weight, improved the utilance of groove and just realize with processing.In addition, monolateral air gap is 2mm between rotor, motor stator, suitable increase the motor internal air gap, effectively reduced unilateral magnetic force and cogging torque fluctuation that the electric machine assembly alignment error is brought.
As shown in Figure 4, the rotor permanent magnet adopts profile to be outstanding steamed bun shape through optimal design, has obtained so a comparatively sinusoidal air gap flux density waveform.The winding configuration that motor adopts shown in accompanying drawing 2,5 elects fractional slot winding as, obtained like this electromotive force sinusoidal waveform preferably, reduced the slot effect of magneto.
The content that is not described in detail in the specification of the present invention belongs to the known prior art of this area professional and technical personnel.
Claims (10)
1. the azimuth-drive motor system configuration of a heavy load inertially stabilized platform is characterized in that comprising: stator tightening sunk screw (1), motor stator holder (2), stator coil (3), motor stator (4), permanent magnet (5), rotor (6), rotor seat (7), cover plate tightening sunk screw (8), read head is installed rebound (9), rebound tightening soket head cap screw (1O), read head mounting panel (11), spring (12), read head mounting panel tightening soket head cap screw (13), read head tightening sunk screw (14), grating read head (15), grating scale (16), latch (17), rotor cover plate (18); Described stator tightening sunk screw (1), motor stator holder (2), stator coil (3), motor stator (4), permanent magnet (5), rotor (6), rotor seat (7), rotor cover plate (18) consist of azimuth-drive motor body construction part; Described cover plate tightening sunk screw (8), read head are installed rebound (9), rebound tightening soket head cap screw (1O), read head mounting panel (11), read head mounting panel tightening soket head cap screw (13), read head tightening sunk screw (14), grating read head (15), grating scale (16) formation motor measurement structure division; Described read head is installed rebound (9), rebound tightening soket head cap screw (1O), read head mounting panel (11), spring (12), read head mounting panel tightening soket head cap screw (13), latch (17), rotor cover plate (18) formation motor locking mechanism part; Motor stator holder (2), rotor seat (7) are used for mounted motor stator (4), rotor (6), they are individually fixed in the diverse location of heavy load inertially stabilized platform, and couple together by support component, support component is wire roller bearing or magnetic suspension bearing, rotates by the realization azimuth direction between stator rotor like this; Motor stator (4) is fixed on the motor stator holder (2) by stator tightening sunk screw (1), and realizes axial location by the step (20) on the motor stator holder (2), and stator coil (3) is wrapped in the teeth groove inside of motor stator (4); Rotor (6) interference fit by cover plate tightening sunk screw (8) tightening, realizes axial location by the step (19) on the rotor seat (7) on rotor seat (7) and by rotor cover plate (18); Read head is installed rebound (9) and is installed on the motor stator holder (2) by rebound tightening soket head cap screw (1O), connect grating read head (15) by read head mounting panel (11), read head mounting panel tightening soket head cap screw (13), read head tightening sunk screw (14) are holding screw, grating scale (16) is affixed on rotor cover plate (18) by gluing, pastes by positioning marking and realizes; Latch (17) is in read head is installed the cylindricality draw-in groove of rebound (9) and read head mounting panel (11), be in different gears and realize that latches enter or in the tightening hole that goes out rotor cover plate (18), like this turning of motor stopped controlling by promoting latch (17).
2. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1, it is characterized in that: in order to reach the thickness that reduces motor yoke, the requirement that improves motor torque density, reduction motor weight, motor need to be designed to more number of poles.
3. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1, it is characterized in that: for reach the utilance that reduces the motor stator external diameter, improve groove, just with the requirement that realizes processing, the pole span of motor is designed to radially 6 ° of equal distribution, and the groove number of every extremely every phase is designed to 60.
4. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1 is characterized in that: for the electromotive force sinusoidal waveform that obtains standard, the slot effect that reduces magneto, the winding configuration of motor is elected fractional slot winding as.
5. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1 is characterized in that: in order to obtain a comparatively sinusoidal air gap flux density waveform, the permanent magnet of rotor (5) is designed to the outstanding steamed bun shape of profile.
6. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1, it is characterized in that: in order effectively to reduce unilateral magnetic force and the cogging torque fluctuation that the electric machine assembly alignment error brings, during design suitable increase the air gap of motor internal.
7. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1, it is characterized in that: the precision that increases assembling for the difficulty that reduces installation, process two ladder platforms (19,20) at motor stator holder (2), rotor seat (7), be convenient to install the location.
8. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1 is characterized in that: in order to realize the grating pin-point reading, and grating scale (16) location of will ruling when mounted; Grating read head mounting panel (11) is designed to different-thickness, selects to finish axial adjustment and realizes accurately location so that carry out as the case may be thickness when installing; Grating read head mounting panel (11) tightening mode is gapped unthreaded hole, realizes accurately location so that finish radiai adjustment.
9. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1, it is characterized in that: in order to realize the grating pin-point reading, read head is installed rebound (9), read head mounting panel (11) faying face place, and grating read head (15), read head mounting panel (11) faying face need have higher machining shape position of related features; Also will there be higher machining shape position of related features on the face of cylinder, rotor cover plate (18) outside.
10. the azimuth-drive motor system configuration of a kind of heavy load inertially stabilized platform according to claim 1, it is characterized in that: can remain static in order to realize heavy load inertially stabilized platform orientation framework, designed the motor locking mechanism that is comprised of spring (12), latch (17) at read head installation rebound (9), read head mounting panel (11), latch (17) is withstood respectively at spring (12) two ends and read head is installed rebound (9), read head mounting panel (11); The locked elastic force that provides of motor is provided spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009579.3A CN103023222B (en) | 2013-01-10 | 2013-01-10 | Azimuth-drive motor system structure of heavy load inertially stabilized platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009579.3A CN103023222B (en) | 2013-01-10 | 2013-01-10 | Azimuth-drive motor system structure of heavy load inertially stabilized platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103023222A true CN103023222A (en) | 2013-04-03 |
| CN103023222B CN103023222B (en) | 2014-12-17 |
Family
ID=47971456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009579.3A Expired - Fee Related CN103023222B (en) | 2013-01-10 | 2013-01-10 | Azimuth-drive motor system structure of heavy load inertially stabilized platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103023222B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787956A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of mounting structure of magnetic suspension motor stator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070032950A1 (en) * | 2005-08-05 | 2007-02-08 | Raven Industries, Inc. | Modular high-precision navigation system |
| CN101915986A (en) * | 2010-07-29 | 2010-12-15 | 北京航天发射技术研究所 | Active two-dimensional tracking collimator |
| CN102638130A (en) * | 2012-04-17 | 2012-08-15 | 北京航空航天大学 | Three-shaft inertia stable platform motor driving unit |
| CN102849220A (en) * | 2012-09-04 | 2013-01-02 | 北京航空航天大学 | Orientation driving/locking device for inertially-stabilized platform |
-
2013
- 2013-01-10 CN CN201310009579.3A patent/CN103023222B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070032950A1 (en) * | 2005-08-05 | 2007-02-08 | Raven Industries, Inc. | Modular high-precision navigation system |
| CN101915986A (en) * | 2010-07-29 | 2010-12-15 | 北京航天发射技术研究所 | Active two-dimensional tracking collimator |
| CN102638130A (en) * | 2012-04-17 | 2012-08-15 | 北京航空航天大学 | Three-shaft inertia stable platform motor driving unit |
| CN102849220A (en) * | 2012-09-04 | 2013-01-02 | 北京航空航天大学 | Orientation driving/locking device for inertially-stabilized platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787956A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of mounting structure of magnetic suspension motor stator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103023222B (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102980578B (en) | A kind of double-shaft rotation optical fiber strapdown inertia navigation device | |
| CN102927986A (en) | Double-shaft rotating mechanism | |
| CN101619971B (en) | Aerophotography gyrostabilized platform with three freedom degrees and large load | |
| CN102818569B (en) | Five-freedom-degree initiative magnetic-suspension inertially stabilized platform | |
| CN101083423B (en) | Vibration mirror motor | |
| CN109506560A (en) | Round induction synchrometer dynamic testing angle precision caliberating device and its scaling method | |
| US20100133924A1 (en) | Compact linear actuator and method of making same | |
| CN101719700A (en) | Moment motor driving shafting module for inner frame of airborne photoelectric platform | |
| CN104615152B (en) | A kind of disturbance angle compensation system | |
| CN113091734A (en) | Be applied to high accuracy transposition locking mechanism of aircraft inertial measurement unit | |
| CN213411920U (en) | Double-encoder type dynamic angle generation rotary table | |
| CN111811546A (en) | Electromagnetic encoder for generating magnetism by electrified coil and resolving method thereof | |
| CN107607099B (en) | Magnetic suspension control sensitive gyroscope with detection and control co-location | |
| CN103023222B (en) | Azimuth-drive motor system structure of heavy load inertially stabilized platform | |
| CN103217156B (en) | A kind of orientation of inertially stabilized platform drives support system structure | |
| CN101174784B (en) | Ultra-low speed accurate arc electric motor for macrotype astronomical telescope | |
| CN107843280B (en) | Calibrating device of rotary spherical magnetoelectric encoder | |
| CN105932794A (en) | Large-size and low-inertia hollow precision shaft system with limit | |
| CN116100329A (en) | Quick electric angle adjusting method | |
| CN108731877A (en) | A kind of high precision measuring device of large-scale heavy duty rotary inertia | |
| CN102638130B (en) | Three-shaft inertia stable platform motor driving unit | |
| CN109586538A (en) | A kind of autonomous controllable high-precision height response electromechanical servo component | |
| CN204679081U (en) | Based on the high precision small fiber gyro north seeker indexing mechanism of supersonic motor | |
| CN107576617A (en) | The polarization recovery wheel of high rigidity micro photo electric detection | |
| CN109617323B (en) | Surveying and mapping instrument and hybrid coding positioning method adopted by surveying and mapping instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20141217 Termination date: 20220110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |