• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The purpose of this invention is to improve the reliability of unmanned vehicles, whatever their use. Currently there is no device that allows to use several receivers in parallel, and the possibility of combining with them an external automatic path control system, so that the loss of signal in one of them does not imply loss of control. This invention solves the problem of the absence of redundant reception systems, with assisted control. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2646931A1
    申请号:ES201600540
    申请日:2016-06-17
    公开日:2017-12-18
    发明作者:Manuel PÉREZ GARCÍA；Blas José GALVÁN GONZÁLES；Ricardo AGUASCA COLOMO；Maria Candelaria HERNÁNDEZ GOYA
    申请人:Universidad de las Palmas de Gran Canaria；
    IPC主号:
    专利说明:

    DESCRIPTION

    Redundant multifrequency control system for unmanned vehicles.

    Technical sector 5

    The invention falls within the area of electronic technique. It is an electronic device for the improvement of the communication link reliability for command signals.
     10
    The invention has technical applications in any of the sectors in which a communication link is necessary for reliable and robust command signals in the event of possible communication losses or blockages of the control unit.

    State of the art 15

    Although the current control units of unmanned vehicles have mechanisms to protect against failures in receiving orders, such as automatic return home or landing, they are not infallible and in many cases end up causing damage to the team. Because of this, the field of unmanned vehicles 20 requires a device that minimizes the possibility of loss of equipment or failure of the mission being carried out.

    There are no similar equipment on the market that provides additional reliability, such as a redundant command command receiver. 25

    For the training of pilots, equipment is used that, receiving the signal from several sources, is only one that has the preference (the pilot trainer). This allows the equipment to be controlled from two different sources but cannot be used to improve reliability, since the vehicle does not intelligently decide which one should be used at any time based on the serial level, for example, simply one of the pilots He has preference over the other.

    This is where our development covers the lagoon, allowing control from one or more sources, analyzing the signal quality of each of them and selecting the most appropriate source 35 and also allowing the pilot to take direct control of the equipment, making a Supervised bypass of the control unit to cover a possible failure of this.

    Summary. Description of the invention
     40
    A. Detailed description of the invention

    The development is an electronic device, which allows one or more radio control receivers, from different manufacturers and even different frequencies, to be used to drive an unmanned vehicle. Four. Five

    The equipment has the ability to measure the strength indicator of the received serials (RSSI) and automatically prioritize the orders of the strongest serial. On a supervised basis, it also allows the pilot to manually select one of the communication channels, provided that it meets minimum signal quality requirements.

    Another functionality of the system is to be able to control the vehicle directly, or through the automatic path control unit, such as the Flight Controller in an aerial vehicle.

    In this way we protect the equipment against loss of control due to reception failures or 5 blockages of the equipment itself.

    To achieve this, several components are used:

    - A device that analyzes the signal level, the pilot order (order to select 10 receiver or internal control bypass) and select the receiver.

    - Several devices that allow to give way to the orders of the selected receiver.
     fifteen
    Communication between the radio station and its receiver is proprietary to each manufacturer, however, the receiver's output signals for vehicle devices are PWM (Pulse Widht Modulation) or PPM (Pulse Position Modulation) and are standard, so Different receivers from different manufacturers can be used. The system is independent of the type of modulation used by the transmitter (s) used for the control.

    Through two of the available radio channels, the invented team will be told what the pilot wants to do, use the flight controller and choose a receiver or let that decision be made by the team itself. The RSSI outputs of the receivers are analyzed by the device to know which of the receivers has the best signal quality.

    B. Brief description of the invention
     30
    The invention object of this report is an electronic circuit that allows one or more radio control receivers to be used to drive an unmanned vehicle. The device created allows automatic or manual-supervised to choose the most suitable for communication. It also allows to decide whether or not to use the internal control of the vehicle or to pilot it completely manually, as an example, to use the flight controller of an air vehicle or not. This gives the vehicle reliability through redundancy of elements and robustness against failures.

    Detailed description of a preferred embodiment of the invention
     40
    The device consists of two selector elements, B and F, which are responsible for giving way to the signals of the active receiver and for making or not bypass the automatic internal control of the vehicle respectively. These elements are a combination of controllable buffers integrated circuits. To the selector element B, the receivers A that are to be used are connected. The output element of the selector B is connected to the selector element F and the signals that come from the internal control C of the vehicle, allowing it to be controlled manually or with the help of the internal control. For the analysis of the control signals and the signal level of the receivers, an element D is needed that can read them, this element is a programmable microcontroller.
     fifty
    All assembled on a printed circuit board E.



    Description of the content of the figures

    Figure 1. Functional diagram

    A) Group of receivers to be used 5

    B) Receiver selector element

    C) Automatic path control unit
     10
    D) Supervisory microcontroller

    E) Printed circuit board

    F) Internal or manual control selector element 15
    权利要求:
    Claims (3)
    [1]

    1. Electronic device of any size and shape, for the radio control of unmanned vehicles, comprising a receiver selector element (B), an automatic or manual control mode selector element (F), a microcontroller 5 responsible for the supervision of the functions of the described system (D), and electronic components that allow the operation of the set, characterized by allowing the vehicle that incorporates it to be equipped with two or more command receivers (A) so that the electronic device selects which of they receive the best signal for the link, ensuring communication, and by being able to select an automatic or manual control by allowing the connection of an automatic path control (C).

    [2]
    2. Electronic device according to claim 1 characterized in that it allows the selection of the receiver to be used manually supervised.
     fifteen
    [3]
    3. Electronic device according to claim 1 and 2, characterized in that it allows, to be supervised from "automatic control mode" to "manual control mode", by bypass of the automatic path control unit.
     twenty
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    同族专利:
    公开号 | 公开日
    ES2646931B2|2018-03-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US20130028300A1|2011-07-29|2013-01-31|Motorola Mobility, Inc.|Pulse Frequency Modulation Mode Lock Out for Regulators When Receive Signal Quality Is Low|
    CN204695099U|2015-06-12|2015-10-07|浙江嘉蓝海洋电子有限公司|Manual and remote control peculiar to vessel|
    法律状态:
    2018-03-28| FG2A| Definitive protection|Ref document number: 2646931 Country of ref document: ES Kind code of ref document: B2 Effective date: 20180328 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201600540A|ES2646931B2|2016-06-17|2016-06-17|Redundant multifrequency control system for unmanned vehicles|ES201600540A| ES2646931B2|2016-06-17|2016-06-17|Redundant multifrequency control system for unmanned vehicles|
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