Intelligent control system and method for electric boat

By introducing an intelligent control system and virtual control interface into electric boats, the problem of CAN network affecting the integrity of digital steering wheel signals has been solved, ensuring safe operation of the boat in case of malfunction and improving the safety of maritime travel.

CN121650856APending Publication Date: 2026-03-13SHANGHAI QINGBO POWER TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

In existing electronic steering systems, the network quality of the CAN network affects the integrity of the digital steering wheel signal, leading to safety issues in boat operation.

Method used

An intelligent control system is introduced into the electric boat, including a battery subsystem, an outboard motor subsystem, a boat controller, a control subsystem, and a communication subsystem. These are connected via a CAN network, and a virtual control interface is added to the touch screen to achieve functional backup of the digital handle and steering wheel.

Benefits of technology

In the event of a malfunction in the digital joystick or steering wheel, the virtual control interface ensures the vessel continues to operate safely, enhancing the safety of the vessel's systems and providing greater security for maritime travel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of control systems and control methods, in particular to an intelligent control system of an electric boat, which comprises a battery subsystem, an outboard engine subsystem, a whole boat controller, a control subsystem and a communication subsystem, the communication subsystem is a CAN network, and the battery subsystem, the outboard engine subsystem and the control subsystem are all connected to the whole ship controller through the CAN network; the control subsystem comprises a mechanical controller and a touch control display screen, and the touch control display screen and the mechanical controller are mutually independent. The virtual control interface is additionally arranged on the touch display screen, function backup is carried out on the mechanical controller, after the mechanical controller breaks down seriously, the boat can continue to run safely, the serious system problem that the boat loses power due to failure of the mechanical controller is solved, the safety of the boat system is effectively improved, and the safety of the boat system is improved. And more safety guarantee is provided for offshore travel.
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Description

Technical Field

[0001] This patent relates to the field of control systems and control methods, specifically to an intelligent control system for electric boats. This patent also discloses an intelligent control method for electric boats. Background Technology

[0002] Against the backdrop of "dual carbon" (carbon dioxide, carbon emissions, and carbon sequestration), emission reduction in transportation is the most prominent. New energy technologies, with power batteries and motors at their core, have already achieved significant success in the field of road transportation. Currently, the electrification of water transportation, primarily inland waterways and coastal vessels, is in the early stages of technological development and has broad market prospects for industrialization.

[0003] Dual-powered boats typically use high-end outboard motors as their power source. These high-end outboard motors usually employ electronic steering technology. In an electronic steering system, a digital steering wheel is responsible for acquiring the steering angle and transmitting this signal to the boat's controller via a CAN network for steering control. The quality of this CAN network can affect the integrity of the digital steering wheel signal, thereby impacting the boat's safety.

[0004] Based on the above shortcomings, improvements are necessary. Summary of the Invention

[0005] To ensure the safety of personnel and property, higher requirements have been placed on maritime travel safety. The purpose of this invention is to provide an intelligent control system for electric boats, including a battery subsystem, an outboard motor subsystem, a boat controller, a control subsystem, and a communication subsystem. The communication subsystem is a CAN network, and the battery subsystem, the outboard motor subsystem, and the control subsystem are all connected to the boat controller through the CAN network. The control subsystem includes a mechanical controller and a touch screen display. The mechanical controller includes a steering wheel and a digital joystick. The steering wheel and the digital joystick transmit a first control signal to the boat controller. The boat controller transmits the first control signal to the battery subsystem and the outboard motor subsystem. Simultaneously, the boat controller synchronously backs up the first control signal to the touch screen display. The touch screen display is independent of the steering wheel and the digital joystick.

[0006] Preferably, the touch screen includes a virtual control interface, which includes gear control, speed control, and steering control; the steering control includes left turn control, right turn control, and centering control; the gear control includes forward gear, neutral gear, and reverse gear; and the speed control includes acceleration control, deceleration control, and speed hold.

[0007] Preferably, the virtual control interface further includes a virtual control switch. When the virtual control switch is turned on, the touch screen displays the virtual control interface, and the ship controller receives a second control signal from the virtual control interface. When the virtual control switch is turned off, the touch screen is only used to display the ship's sailing attitude and the working status of the outboard motor.

[0008] The present invention also discloses an intelligent control method for electric boats, which adopts the intelligent control system described above, wherein the whole boat controller in this method preferentially accepts the first control signal from the mechanical controller.

[0009] Preferably, the ship controller detects the first control signal of the mechanical controller in real time. If the first control signal of the mechanical controller is missing, the mechanical controller fails, and the touch screen automatically displays a virtual control interface.

[0010] Preferably, when the ship controller detects a failure signal from the mechanical controller, it identifies the failed device; if the failed device is the steering wheel, the virtual control interface displays steering control; if the failed device is the digital joystick, the virtual control interface displays speed control and gear control.

[0011] Preferably, when the virtual control switch is turned on, the ship controller receives a second control signal from the virtual control interface. If the mechanical controller is manipulated to generate a first control signal, the touch screen will automatically prompt whether to switch to mechanical controller control.

[0012] Compared with existing technologies, this patent has the following advantages: it adds a virtual control interface to the touch screen, performs function backup for the digital handle and steering wheel, and allows the boat to continue to travel safely after a serious failure of the digital handle or steering wheel. It solves the serious system problem of boat losing power due to mechanical controller failure, effectively improves the safety of the boat system, and provides more safety guarantees for maritime travel. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of the overall structure of the intelligent control system according to an embodiment of the present invention.

[0014] In the diagram: 1-Ship controller; 2-Battery subsystem; 3-Outboard motor subsystem; 4-Mechanical controller; 5-Touchscreen display; 6-CAN network. Detailed Implementation

[0015] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0017] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0018] The following description is only a preferred embodiment of the present invention and does not limit the scope of protection of the present invention.

[0019] See the example. Figure 1 As shown: An intelligent control system for an electric boat includes a battery subsystem 2, an outboard motor subsystem 3, a boat controller 1, a control subsystem, and a communication subsystem. The communication subsystem is a CAN network 6, and the battery subsystem 2, outboard motor subsystem 3, and control subsystem are all connected to the boat controller 1 through the CAN network 6. The control subsystem includes a mechanical controller 4 and a touch screen display 5. The mechanical controller 4 includes a steering wheel and a digital joystick. The steering wheel and digital joystick transmit a first control signal to the boat controller 1. The boat controller 1 transmits the first control signal to the battery subsystem 2 and the outboard motor subsystem 3. At the same time, the boat controller 1 synchronously backs up the first control signal to the touch screen display 5. The touch screen display 5 is independent of the steering wheel and digital joystick.

[0020] The touch display screen 5 includes a virtual control interface, which includes gear control, speed control, and steering control; steering control includes left turn control, right turn control, and centering control; gear control includes forward gear, neutral gear, and reverse gear; speed control includes acceleration control, deceleration control, and speed hold.

[0021] The virtual control interface also includes a virtual control switch. When the virtual control switch is turned on, the touch screen 5 displays the virtual control interface, and the ship controller 1 receives the second control signal from the virtual control interface. When the virtual control switch is turned off, the touch screen 5 is only used to display the ship's sailing attitude and the working status of the outboard motor.

[0022] The present invention also discloses an intelligent control method for electric boats, wherein the whole boat controller 1 in this method preferentially accepts the first control signal of the mechanical controller 4.

[0023] The ship controller 1 detects the first control signal of the mechanical controller 4 in real time. If the first control signal of the mechanical controller 4 is missing, the mechanical controller 4 will fail. At this time, the touch screen 5 will automatically display the virtual control interface.

[0024] When the ship controller 1 detects a failure signal from the mechanical controller 4, it identifies the failed device. If the failed device is the steering wheel, the virtual control interface displays steering control. If the failed device is the digital lever, the virtual control interface displays speed control and gear control.

[0025] When the virtual control switch is turned on, the ship controller 1 receives a second control signal from the virtual control interface. If the mechanical controller 4 generates a first control signal, the touch screen 5 will automatically prompt whether to switch to mechanical controller 4 for control.

[0026] Normally, the ship controller 1 uses the gear position signal and propulsion opening signal transmitted from the digital handle to control propulsion.

[0027] When the digital handle malfunctions and causes the gear position signal and propulsion opening signal to be unable to be transmitted to the ship controller 1, the ship controller 1 detects the malfunction and sends a virtual handle control request signal to the touch screen 5 through the CAN network 6. After receiving the request, the touch screen 5 switches to the virtual handle control interface, and the driver uses this interface to control the propulsion of the boat.

[0028] If the digital controller recovers from its malfunction, in order to maintain the stability and consistency of boat handling, the operator continues to use the virtual controller interface on the touch display screen 5 for boat propulsion control. At the same time, a touch switch to switch back to the real controller is displayed in the upper left corner of the interface. The operator can click the switch to switch back to the real controller for boat propulsion control.

[0029] When the digital steering wheel malfunctions and the steering angle signal cannot be transmitted to the ship controller 1, the ship controller 1 detects the malfunction and sends a virtual steering wheel control request signal to the touch screen 5 through the CAN network 6. After receiving the request, the touch screen 5 switches to the virtual steering wheel control interface, and the driver uses this interface to control the ship's steering.

[0030] If the digital steering wheel malfunction is resolved, in order to maintain the stability and consistency of the boat's handling, the driver continues to use the virtual steering wheel control interface on the touch display screen 5 to control the boat's steering. At the same time, a touch switch to switch back to the real steering wheel control is displayed in the upper left corner of the interface. The driver can click the switch to switch back to the real steering wheel control for the boat's steering.

[0031] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. An intelligent control system for an electric boat, characterized in that: The system includes a battery subsystem, an outboard motor subsystem, a ship controller, a control subsystem, and a communication subsystem. The communication subsystem is a CAN network, and the battery subsystem, the outboard motor subsystem, and the control subsystem are all connected to the ship controller via the CAN network. The control subsystem includes a mechanical controller and a touch screen. The mechanical controller includes a steering wheel and a digital joystick. The steering wheel and the digital joystick transmit a first control signal to the ship controller. The ship controller transmits the first control signal to the battery subsystem and the outboard motor subsystem. Simultaneously, the ship controller synchronously backs up the first control signal to the touch screen. The touch screen is independent of the steering wheel and the digital joystick.

2. The intelligent control system as described in claim 1, characterized in that: The touch screen includes a virtual control interface, which includes gear control, speed control, and steering control; the steering control includes left turn control, right turn control, and centering control; the gear control includes forward gear, neutral gear, and reverse gear; and the speed control includes acceleration control, deceleration control, and speed hold.

3. The intelligent control system as described in claim 2, characterized in that: The virtual control interface also includes a virtual control switch. When the virtual control switch is turned on, the touch screen displays the virtual control interface, and the ship controller receives a second control signal from the virtual control interface. When the virtual control switch is turned off, the touch screen is only used to display the ship's sailing attitude and the working status of the outboard motors.

4. An intelligent control method for electric boats, employing an intelligent control system as described in any one of claims 1 to 3, characterized in that: The ship controller preferentially accepts the first control signal from the mechanical controller.

5. The intelligent control method as described in claim 4, characterized in that: The ship controller detects the first control signal of the mechanical controller in real time. If the first control signal of the mechanical controller is missing, the mechanical controller fails, and the touch screen automatically displays a virtual control interface.

6. The intelligent control method as described in claim 5, characterized in that: When the ship controller detects a failure signal from the mechanical controller, it identifies the failed device. If the failed device is the steering wheel, the virtual control interface displays steering control. If the failed device is the digital joystick, the virtual control interface displays speed control and gear control.

7. The intelligent control method as described in claim 5, characterized in that: When the virtual control switch is turned on, the ship controller receives a second control signal from the virtual control interface. If the mechanical controller is manipulated to generate a first control signal, the touch screen will automatically prompt whether to switch to mechanical controller control.