CN108075576A - A kind of radio energy and information carrying means for inertial navigation system - Google Patents

A kind of radio energy and information carrying means for inertial navigation system Download PDF

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Publication number
CN108075576A
CN108075576A CN201611020309.2A CN201611020309A CN108075576A CN 108075576 A CN108075576 A CN 108075576A CN 201611020309 A CN201611020309 A CN 201611020309A CN 108075576 A CN108075576 A CN 108075576A
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CN
China
Prior art keywords
magnetic core
primary
circuit
inertial navigation
information
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.)
Pending
Application number
CN201611020309.2A
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Chinese (zh)
Inventor
高涛
王浩
雷歌阳
冯磊
赵振江
张福亮
余莉
王烨
陈京谊
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Aerospace Science and Industry Inertia Technology Co Ltd
Original Assignee
Aerospace Science and Industry Inertia Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Aerospace Science and Industry Inertia Technology Co Ltd filed Critical Aerospace Science and Industry Inertia Technology Co Ltd
Priority to CN201611020309.2A priority Critical patent/CN108075576A/en
Publication of CN108075576A publication Critical patent/CN108075576A/en
Pending legal-status Critical Current

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Classifications

    • H02J5/005
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/04Arrangements for transmitting signals characterised by the use of a wireless electrical link using magnetically coupled devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18Rotary transformers

Abstract

The invention belongs to a kind of inertial nevigation apparatus, and in particular to a kind of radio energy and information carrying means, it can be used for the power supply of Rotating Inertial Navigation System and the transmission of information.It includes primary control unit, rotation axis, secondary control unit and the base unit of inertial navigation, wherein, primary control unit is mounted on by rotating axis connection, secondary control unit on the base unit of inertial navigation with secondary control unit.Primary control unit includes primary control circuit and primary magnetic core;Secondary control unit includes secondary control circuit, secondary magnetic core, secondary secondary power supply, gyro.It is an advantage of the invention that:Simple in structure, reliability is high, and service life and reliability are all far longer than conducting slip ring, its customer service the drawbacks of in the prior art conducting slip ring contact electric energy and information are transmitted, and substantially increases the reliability of inertial navigation system.

Description

A kind of radio energy and information carrying means for inertial navigation system
Technical field
The invention belongs to a kind of inertial nevigation apparatus, and in particular to a kind of radio energy and information carrying means, it can be used for revolving Turn the power supply of inertial navigation system and the transmission of information.
Background technology
In recent years, in the scope of Rotating Inertial Navigation System application, electric energy and information by slip ring relative rotation component Between transmit, so as to provide power to gyro and accelerometer.It is usually sharp since the electric energy Power Processing of single slip ring limits Sufficient power is provided with multiple slip rings.However, traditional slip ring is by contact transmission electric energy and information, service life and Reliability breaks down all than relatively low.Wireless power transmission technology is very ripe, but electric energy and information are not led to A transformer is crossed to transmit, the application demand for just having electric energy and information transmission in Rotating Inertial Navigation System.
With the development of Rotating Inertial Navigation System, everybody generally recognizes that conducting slip ring is always inertial navigation system electric energy and information One drawback of transmission, since conducting slip ring is using the transmission of contact progress electric energy and information, this transmission mode passes through one After section time service, the reliability of the contact between the carbon brush of conducting slip ring and contact will reduce, when Rotating Inertial Navigation System passes When transmission of electricity can be high-power, the contact resistance of conducting slip ring is very big, and the voltage drop on conducting slip ring is bigger, when rotation is used When guiding systems transmit high speed signal, conducting slip ring is in rotary course, it is possible to lose information, the mistake that information is caused to transmit Very, the failure to communicate between gyro and accelerometer and CPU is ultimately resulted in.
The content of the invention
The object of the present invention is to provide a kind of radio energies and information carrying means for inertial navigation system, it being capable of customer service Shortcoming of the prior art, for Rotating Inertial Navigation System rotating mechanism the characteristics of, i.e. gyro rotation axis and rotating mechanism Relative rotation between pedestal, traditional Rotating Inertial Navigation System realize the electric energy of gyro and accelerometer and information using conducting slip ring Transmission.
The present invention is achieved in that a kind of radio energy and information carrying means for inertial navigation system, it is included just Grade control unit, rotation axis, secondary control unit and the base unit of inertial navigation, wherein, primary control unit and secondary control are single Member is mounted on by rotating axis connection, secondary control unit on the base unit of inertial navigation.
Primary control unit includes primary control circuit and primary magnetic core;Secondary control unit includes secondary control circuit, Secondary magnetic core, secondary secondary power supply, gyro.
The primary control circuit is mended using primary CLC circuit compensations and secondary control circuit using secondary CLC circuits It repays.
The primary electric energy transmission winding and information transmission winding of the primary CLC circuits share primary magnetic core, secondary CLC The secondary electric energy transmission winding and secondary information transmission winding of circuit share secondary magnetic core.
Electric energy transmits and information transmission uses common primary magnetic core and secondary magnetic core;The armature winding of electric energy transmission is in primary The outside of magnetic core, the armature winding of information transmission is in the inside of primary magnetic core, and equally, the secondary windings of electric energy transmission is in secondary magnetic The outside of core, in the inside of secondary magnetic core, transformer has the secondary windings of information transmission between primary magnetic core and secondary magnetic core Air gap, by structural member secondary magnetic core, gyro, accelerometer links together for the gyro rotation axis of the inertial navigation system, The primary magnetic core is linked together by the pedestal and gyro rotation axis of rotating mechanism, secondary power supply circuit, and described The secondary windings connection of transformer carries out secondary power supply conversion for the voltage of secondary windings output, is given after power conversion Gyro and accelerometer power supply, primary magnetic core and secondary magnetic core are using annulus magnetic core, the armature winding and secondary windings The coiling clockwise on the anchor ring of respective magnetic core respectively;Parallel resonance circuit includes:Input DC power connects described Battery in inertial navigation system;Full-bridge controlled resonant converter, input terminal are connected with the input DC power, output terminal with it is described Resonant capacitance and the secondary windings of transformer be connected in parallel;The control signal of resonant transform circuit generates 2 tunnels using microcontroller Complementation carries the square wave driving signal in dead zone, and CLC compensation circuits are used on armature winding, shunt compensation electricity is used on secondary windings Hold, the compensation circuit of primary and secondary is in magnetic resonance state for the circuit on primary and secondary both sides, is finally reached most efficiently The electric energy of rate and the transmission of information, primary compensation circuit use CLC compensation circuits, and secondary compensation is secondary tandem compensating electric capacity, The value of capacitance and inductance determines parameters according to the resonant frequency of radio energy and information carrying means, finally makes wireless Electric energy and the information transmission system are in resonance state, the secondary power supply translation circuit of rectifying output circuit, secondary power supply conversion electricity Road uses BUCK topological structures, powers after the secondary power supply translation circuit voltage stabilizing to gyro.
It is an advantage of the invention that (1) carries out electric energy and letter in the rotating mechanism of Rotating Inertial Navigation System using conducting slip ring The transmission of breath is rotated by the ceaselessly contact of slip ring, and over time, reliability substantially reduces, using radio energy and letter Rotation of the transmitting device by holding certain distance between gyro rotation axis and the pedestal of inertial navigation system is ceased, so rotates inertial navigation system The reliability of system greatly enhances, and is not in the risk that conducting slip ring is brought;(2) transformer is arranged on electric energy coil on the outside, Signal coil is surveyed inside, and this winding mode has the advantage that electric energy is wrapped in signal, signal is made not to be interfered.(3) Secondary secondary power supply conversion uses non-isolated topological structure, and radio energy and information carrying means is made quickly to respond inertial navigation system System.The configuration of the present invention is simple, reliability are high, service life and reliability are all far longer than conducting slip ring, the existing skill of its customer service The drawbacks of conducting slip ring contact electric energy and information are transmitted in art substantially increases the reliability of inertial navigation system.
Description of the drawings
Fig. 1 is provided by the invention a kind of for the radio energy of inertial navigation system and information carrying means structure diagram;
Fig. 2 is primary CLC circuit diagrams;
Fig. 3 is secondary CLC circuit diagrams;
Fig. 4 is the structure chart of primary magnetic core and armature winding;
Fig. 5 is the structure chart of transformer secondary output magnetic core and secondary windings;
Fig. 6 is secondary power supply topology diagram;
Fig. 7 is modulates information block diagram;
Fig. 8 is information demodulation block diagram.
In figure, 1 grade control unit, 2 rotation axis, 3 primary control units, the base unit of 4 inertial navigations, 5 primary electric energy around Group, 6 primary signal windings, 7 grade electric energy windings, 8 secondary signal windings.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail:
As shown in Figure 1, a kind of include for the radio energy and information carrying means of inertial navigation system:Primary control unit 1, Rotation axis 2, secondary control unit 3, the base unit 4 of inertial navigation.Wherein, primary control unit 1 include primary control circuit and just Grade magnetic core;Secondary control unit 3 includes secondary control circuit, secondary magnetic core, secondary secondary power supply, gyro.
Primary control circuit and secondary control circuit are using same CLC circuit compensations, the compensation of conventional wireless electric energy Circuit is compensated using series electrical perhaps shunt capacitance, when input voltage fluctuation or the fluctuation of load, the resonant frequency of system It can fluctuate, cause the reduction of wireless power transmission efficiency, can also increase the interference of information transmission.
Primary electric energy transmission winding and information transmission winding share primary magnetic core, secondary electric energy transmission winding and secondary information Transmission winding shares secondary magnetic core.
Secondary power supply circuit is connected with the secondary windings of the transformer, for the voltage of secondary windings output Secondary power supply conversion is carried out, is powered after power conversion to gyro and accelerometer.
The electric energy transmission and information transmission of a kind of radio energy and information carrying means for Rotating Inertial Navigation System use Common primary magnetic core and secondary magnetic core;The armature winding of electric energy transmission is in the outside of primary magnetic core, the armature winding of information transmission In the inside of primary magnetic core, equally, in the outside of secondary magnetic core, the secondary windings of information transmission exists the secondary windings of electric energy transmission The inside of secondary magnetic core.
Transformer has air gap between primary magnetic core and secondary magnetic core, and the gyro rotation axis of the inertial navigation system passes through knot Component links together secondary magnetic core, gyro, accelerometer, the pedestal and gyro that the primary magnetic core passes through rotating mechanism Rotation axis links together.
Using annulus magnetic core, the armature winding and secondary windings exist respectively for the primary magnetic core and secondary magnetic core Coiling clockwise on the anchor ring of respective magnetic core;
Parallel resonance circuit includes:
Input DC power connects the battery in the inertial navigation system;Full-bridge controlled resonant converter, input terminal with it is described defeated Enter DC power supply connection, the secondary windings of output terminal and the resonant capacitance and transformer is connected in parallel;
The control signal of the resonant transform circuit generates the complementary square wave driving letter with dead zone in 2 tunnels using microcontroller Number.
CLC compensation circuits are used on the armature winding, Shunt compensation capacitor, primary and secondary are used on secondary windings Compensation circuit be in magnetic resonance state for the circuit on primary and secondary both sides, be finally reached the electric energy and information of peak efficiency Transmission.
The primary compensation circuit uses CLC compensation circuits, and secondary compensation is secondary tandem compensating electric capacity, capacitance and electricity The value of sense determines parameters according to the resonant frequency of radio energy and information carrying means, finally makes radio energy and letter Breath Transmission system is in resonance state.
The secondary power supply translation circuit of the rectifying output circuit, secondary power supply translation circuit use BUCK topological structures, It powers after the secondary power supply translation circuit voltage stabilizing to gyro.
Shown in Figure 1, the present invention provides a kind of radio energy and information carrying means for inertial navigation system, bags It includes:Primary control unit, rotation axis, secondary control unit, the base unit of inertial navigation.
Wherein, primary control unit is made of primary control circuit and primary magnetic core;
The secondary control circuit of secondary control unit, secondary magnetic core, secondary secondary power supply, gyro composition.
Primary compensation circuit in primary control circuit:Traditional primary compensation circuit is using series capacitance or electricity in parallel Appearance compensates, and primary compensation circuit is compensated using CLC circuits, shown in Figure 2, and in Q1, Q2, Q3, Q4 is formed complete Respectively then capacitance C1, inductance L1, capacitance C2 connections access series compensation capacitance or shunt capacitance to the output of bridge circuit midpoint again, Adding in CLC circuits makes the resonance link of system have stronger resonance capacity and Ability of Resisting Disturbance.
Similarly, the secondary compensation circuit in secondary control unit also carries out secondary circuit compensation using CLC circuits, referring to figure Shown in 3, secondary transformer Ls connection Cs, then respectively at capacitance C3, inductance L2, capacitance C4 connections, in secondary access CLC electricity Road makes secondary circuit have very wide adaptability, in other words, as the fluctuation of the input voltage of primary control unit, adds Enter the influence that the secondary circuit of CLC circuits fluctuates from primary voltage, make inertial navigation system work more stable and reliable.
Primary compensation circuit and secondary circuit make primary and secondary circuit be operated in one using same CLC circuit compensations In a resonant frequency, i.e., the resonant frequency of primary electric energy transmission circuit, the resonant frequency of secondary electric energy transmission circuit, radio energy With the resonant frequency of the information transmission system, this three resonant frequencies are consistent, and realize inertial navigation radio energy and information transmission The magnetic resonance of system, the electric energy and the information transmission system for making inertial navigation have very high antijamming capability and high efficiency.Conventional wireless The compensation circuit of electric energy is compensated using series electrical perhaps shunt capacitance, when input voltage fluctuation or the fluctuation of load, system Resonant frequency can fluctuate, cause the reduction of wireless power transmission efficiency, can also increase information transmission interference.
Electric energy transmission and information transmission carry out the biography of electric energy and signal using same primary magnetic core in primary control circuit It is defeated, as shown in figure 4, the winding of information transmission is in the inside of magnetic core, the winding of electric energy transmission in the outside of magnetic core, primary electric energy around Certain interval (>=2mm) is kept between group and primary data winding, such electric energy winding and information winding construction make radio There can be stronger antijamming capability with the transmission of information carrying means information.
Similarly, electric energy transmission and information transmission carry out electric energy and signal using same secondary magnetic core in secondary control circuit Transmission, as shown in figure 5, the secondary windings of information transmission, in the inside of magnetic core, the secondary windings of electric energy transmission is in the outer of magnetic core Side keeps certain interval (>=2mm) between secondary electric energy winding and secondary information winding, also improve radio energy and letter Cease the antijamming capability of transmitting device.
Secondary power supply circuit in secondary control circuit, after secondary CLC compensation circuits and rectification circuit, in winding Voltage becomes direct current by exchanging, and direct current passes through capacitive energy storage, as described in Figure 6, straight after rectification subsequently into secondary power supply link Galvanic electricity pressure carries out energy storage and filtering by C5, then connects by metal-oxide-semiconductor Q1, diode D1, filter inductance L1, filter capacitor C6 It connects, finally gives load RL power supplies.
Modulates information circuit in primary control circuit, as shown in fig. 7, carrier generating circuit generates fixed carrier frequency Circuit, microcontroller receive the information of gyro transmission, the information (base-band information) received are then passed through fixed agreement lattice Formula is exported carries out modulates information to carrier generating circuit, information is encoded by gating circuit switch, through ovennodulation and volume Information after code enters armature winding.
Information demodulator circuit in secondary control circuit, as shown in figure 8, first the information on information winding is filtered by band logical Ripple device circuit into the extraction of row information, then carries out shaping filter to information by shaping circuit, compares using information transmission Circuit (decision device) is into the recovery of row information.
The relation of the carrier frequency of electric energy transmission and the carrier frequency of information transmission is as follows, and the carrier frequency of information transmission is big It will not interfere with each other between 10 times of carrier frequency of electric energy transmission or more, such electric energy transmission and information transmission and cause information The failure of transmission.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
All or part of step in the embodiment of the present invention can utilize software to realize, corresponding software program can deposit Storage is in the storage medium that can be read, such as CD or hard disk.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of radio energy and information carrying means for inertial navigation system, it is characterised in that:It includes primary control unit (1), the base unit (4) of rotation axis (2), secondary control unit (3) and inertial navigation, wherein, primary control unit (1) is controlled with secondary Unit (3) processed is connected by rotation axis (2), and secondary control unit (3) is mounted on the base unit (4) of inertial navigation.
2. a kind of radio energy and information carrying means for inertial navigation system as described in claim 1, it is characterised in that:Just Grade control unit (1) includes primary control circuit and primary magnetic core;Secondary control unit (3) includes secondary control circuit, secondary Magnetic core, secondary secondary power supply, gyro.
3. a kind of radio energy and information carrying means for inertial navigation system as described in claim 1, it is characterised in that:Institute The primary control circuit stated uses secondary CLC circuit compensations using primary CLC circuit compensations and secondary control circuit.
4. a kind of radio energy and information carrying means for inertial navigation system as claimed in claim 3, it is characterised in that:Institute The primary electric energy transmission winding and information transmission winding for the primary CLC circuits stated share primary magnetic core, the secondary of secondary CLC circuits Electric energy transmits winding and secondary information transmission winding shares secondary magnetic core.
5. a kind of radio energy and information carrying means for inertial navigation system as claimed in claim 4, it is characterised in that:Electricity It can transmit and information transmission uses common primary magnetic core and secondary magnetic core;The armature winding of electric energy transmission is in the outer of primary magnetic core Side, the armature winding of information transmission is in the inside of primary magnetic core, and equally, the secondary windings of electric energy transmission is in the outer of secondary magnetic core Side, the secondary windings of information transmission is in the inside of secondary magnetic core, and transformer has air gap between primary magnetic core and secondary magnetic core, institute The gyro rotation axis for the inertial navigation system stated is by structural member secondary magnetic core, and gyro, accelerometer links together, at the beginning of described Grade magnetic core is linked together by the pedestal and gyro rotation axis of rotating mechanism, secondary power supply circuit, with the transformer Secondary windings connection carries out secondary power supply conversion for the voltage of secondary windings output, gyro is given after power conversion and is added Speedometer is powered, and primary magnetic core and secondary magnetic core are using annulus magnetic core, and the armature winding and secondary windings are respectively each The coiling clockwise from the anchor ring of magnetic core;Parallel resonance circuit includes:Input DC power connects the inertial navigation system In battery;Full-bridge controlled resonant converter, input terminal are connected with the input DC power, output terminal and the resonance electricity Hold and the secondary windings of transformer is connected in parallel;The control signal of resonant transform circuit generates 2 tunnel complementations using microcontroller and carries The square wave driving signal in dead zone, it is primary using Shunt compensation capacitor on secondary windings using CLC compensation circuits on armature winding Magnetic resonance state is in for the circuit on primary and secondary both sides with secondary compensation circuit, is finally reached the electric energy of peak efficiency With the transmission of information, primary compensation circuit uses CLC compensation circuits, and secondary compensation is secondary tandem compensating electric capacity, capacitance and electricity The value of sense determines parameters according to the resonant frequency of radio energy and information carrying means, finally makes radio energy and letter Breath Transmission system is in resonance state, the secondary power supply translation circuit of rectifying output circuit, and secondary power supply translation circuit uses BUCK topological structures are powered after the secondary power supply translation circuit voltage stabilizing to gyro.
CN201611020309.2A 2016-11-14 2016-11-14 A kind of radio energy and information carrying means for inertial navigation system Pending CN108075576A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108847708A (en) * 2018-06-29 2018-11-20 国网陕西省电力公司电力科学研究院 A kind of novel unmanned plane wireless charging platform and charging method
CN111292932A (en) * 2018-12-06 2020-06-16 航天科工惯性技术有限公司 Rotatable transmission mechanism for non-contact signal coupling
US11644312B1 (en) 2022-09-01 2023-05-09 Zhejiang University Single-axis rotational inertial navigation system based on bidirectional optical communication and wireless power supply

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737278Y2 (en) * 1975-07-23 1982-08-17
CN1224942A (en) * 1997-12-09 1999-08-04 松下电工株式会社 Non-contact power transmitting device
CN1713234A (en) * 2004-06-24 2005-12-28 伊西康内外科公司 Low frequency transcutaneous telemetry to implanted medical device
CN1996711A (en) * 2006-12-08 2007-07-11 广州电器科学研究院 Inductive coupled wireless power transfer device
CN101632141A (en) * 2006-12-20 2010-01-20 模拟技术公司 Non-contact rotary power transfer system
CN102893484A (en) * 2010-05-14 2013-01-23 丰田自动车株式会社 Resonance-type non-contact power supply system
CN103326477A (en) * 2013-06-26 2013-09-25 中国电子科技集团公司第四十九研究所 Non-contact signal and energy coupling transmitting device
DE202014006909U1 (en) * 2014-08-29 2014-10-01 Sms Siemag Ag system
CN204027576U (en) * 2014-09-02 2014-12-17 常州巴乌克智能科技有限公司 A kind of Inertial Sensor Unit
CN204129941U (en) * 2014-10-16 2015-01-28 中国石油集团渤海钻探工程有限公司 For rotating radio energy, the signal transmission system of measurement while-drilling instrument
CN105703458A (en) * 2016-03-25 2016-06-22 哈尔滨工程大学 Underwater wireless charging equipment for autonomous underwater vehicle
CN105793152A (en) * 2014-01-20 2016-07-20 日立汽车系统株式会社 Rotating body noncontact power feeding device and torque sensor

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737278Y2 (en) * 1975-07-23 1982-08-17
CN1224942A (en) * 1997-12-09 1999-08-04 松下电工株式会社 Non-contact power transmitting device
CN1713234A (en) * 2004-06-24 2005-12-28 伊西康内外科公司 Low frequency transcutaneous telemetry to implanted medical device
CN1996711A (en) * 2006-12-08 2007-07-11 广州电器科学研究院 Inductive coupled wireless power transfer device
CN101632141A (en) * 2006-12-20 2010-01-20 模拟技术公司 Non-contact rotary power transfer system
CN102893484A (en) * 2010-05-14 2013-01-23 丰田自动车株式会社 Resonance-type non-contact power supply system
CN103326477A (en) * 2013-06-26 2013-09-25 中国电子科技集团公司第四十九研究所 Non-contact signal and energy coupling transmitting device
CN105793152A (en) * 2014-01-20 2016-07-20 日立汽车系统株式会社 Rotating body noncontact power feeding device and torque sensor
DE202014006909U1 (en) * 2014-08-29 2014-10-01 Sms Siemag Ag system
CN204027576U (en) * 2014-09-02 2014-12-17 常州巴乌克智能科技有限公司 A kind of Inertial Sensor Unit
CN204129941U (en) * 2014-10-16 2015-01-28 中国石油集团渤海钻探工程有限公司 For rotating radio energy, the signal transmission system of measurement while-drilling instrument
CN105703458A (en) * 2016-03-25 2016-06-22 哈尔滨工程大学 Underwater wireless charging equipment for autonomous underwater vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108847708A (en) * 2018-06-29 2018-11-20 国网陕西省电力公司电力科学研究院 A kind of novel unmanned plane wireless charging platform and charging method
CN111292932A (en) * 2018-12-06 2020-06-16 航天科工惯性技术有限公司 Rotatable transmission mechanism for non-contact signal coupling
CN111292932B (en) * 2018-12-06 2021-09-17 航天科工惯性技术有限公司 Rotatable transmission mechanism for non-contact signal coupling
US11644312B1 (en) 2022-09-01 2023-05-09 Zhejiang University Single-axis rotational inertial navigation system based on bidirectional optical communication and wireless power supply

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