A heading sending device and heading sending method
A technology for sending equipment and heading, which is applied to navigation, electrical components, transmission systems, etc. through speed/acceleration measurement. It can solve the problems of single interface heading signal format, weak driving ability, and poor real-time performance, and achieve diversified output formats. Strong driving ability and high real-time effects
Active Publication Date: 2017-04-12
CSSC MARINE TECH CO LTD
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Problems solved by technology
Most of the heading sending devices in the prior art are analog-to-analog, analog-to-digital or digital-to-digital types, and the interface heading signal output by the heading sending device has a single format, weak driving ability, low precision, and poor real-time performance
Method used
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Embodiment 1
[0026] refer to figure 2 , in this embodiment, it is a heading sending device, which receives a heading angle from an RS422 interface of a fiber optic compass, and sends a 1° / rev auto-alignment signal to the load, and a 10° / rev and 360° / rev signal The signals form a dual-channel synchro signal and a 360° / rotation resolver signal.
[0027] The heading sending device in this embodiment includes: an interface unit, which is used to receive the heading angle of the RS422 interface sent by the fiber optic compass, convert it into a target angle value of the CAN interface, and send it to the motion control unit through the CAN network. Convert the heading data of different communication protocols of the sensor into a unified format and send it to the internal CAN network through the CAN interface. The unified format includes ID+data, the ID has valid flags, and the data is the heading value.
[0028] The heading sending device also includes: a position feedback unit, which is comp...
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The invention relates to course sending equipment which comprises an interface unit, a position feedback unit, a motion control unit, a motion execution unit, a gear chain and a sending unit. A course sending method comprises the steps that the interface unit is used for receiving a digital interface course angle sent by a sensor and sending the course angle serving as a target angle to the motion control unit; the position feedback unit detects a current actual angle of the sensing unit and feeds back the actual angle to the motion control unit; the motion control unit acquires a target angle value and an actual angle value, compares the target angle value with the actual angle value for calculation and outputs a control voltage signal to a servo amplifier; the servo amplifier drives an execution motion to drive the gear chain and the sending unit to get close to the target angle until the actual angle value is equal to the target angle value. The course sending equipment disclosed by the invention receives the digital course angle sent by the sensor, can output multiple paths of analog course angles and has the advantages of high driving capacity, high precision, high instantaneity and variety of output formats.
Description
technical field [0001] The invention relates to ship equipment, in particular to a course sending device in ship course navigation technology. Background technique [0002] Ships need correct and consistent heading information when sailing, and the heading information of ships is generated by various sensors (such as magnetic compass, gyro compass, and fiber optic compass). The function of the heading sending device is to accurately send the heading angle sent by the sensor to the equipment that needs the information, such as autopilot, radar, electronic chart, heading repeater, etc. On the one hand, the heading sending device can increase the sending power and drive more loads; on the other hand, it can isolate the load from the sensor system and improve the reliability of the system. [0003] The performance of the heading sending equipment will directly affect the correctness of the ship's heading information. Most of the heading sending devices in the prior art are ana...
Claims
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IPC IPC(8): G01C21/18H04L29/06
CPCG01C21/18
Inventor 沈旻雅杨敏华蔡忠仁
Owner CSSC MARINE TECH CO LTD