Navigation 5 ARPA Controls & Functions PDF

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Asian Institute of Maritime Studies

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ARPA maritime navigation collision avoidance navigation

Summary

This document provides a detailed explanation of ARPA (Automatic Radar Plotting Aid) controls and functions. It covers various aspects, including target acquisition, tracking, information display, vector display, alarm settings, and display controls. The material is presented in a slide format. It targets students of maritime studies for learning the operations of ARPA.

Full Transcript

NAVIGATION 5 ARPA CONTROLS AND THEIR FUNCTIONS AS PER THE MANUFACTURER MANUAL GROUP 3 MIDN: SAFLOR, MARCUS ELI MIDN: NEPOMUCENO, MARK MIDN: MORANTE, EZKIEL MIDN: RABE, RY...

NAVIGATION 5 ARPA CONTROLS AND THEIR FUNCTIONS AS PER THE MANUFACTURER MANUAL GROUP 3 MIDN: SAFLOR, MARCUS ELI MIDN: NEPOMUCENO, MARK MIDN: MORANTE, EZKIEL MIDN: RABE, RYAN LACE NAZARENO JASON C. LAWRENCE MEMBER LEADER ASST. LEADER MEMBER MIDN: RIGUDON, JOHN MIDN: ROSEL, ROGEILIO MIDWM:REBOLLIDO, CHRISTYLLE MIDN: RUBIO, JERMAINE LOU YORK MEMBER ANTHONY MEMBER MEMBER MEMBER Introduction to ARPA Controls and Their Functions The ARPA (Automatic Radar Plotting Aid) system is a crucial navigation and collision avoidance tool used by mariners. This comprehensive guide will dive into the various controls and functions of the ARPA as specified by the manufacturer manual, equipping you with the knowledge to effectively utilize this powerful technology. OVERVIEW OF THE ARPA SYSTEM OVERVIEW OF THE ARPA SYSTEM RADAR INTEGRATION The ARPA system is seamlessly integrated with the ship's radar, allowing it to automatically track and plot the movement of detected targets. OVERVIEW OF THE ARPA SYSTEM COLLISION AVOIDANCE By continuously monitoring the relative motion of tracked targets, the ARPA system can provide early warnings of potential collisions, enabling the crew to take timely evasive action. OVERVIEW OF THE ARPA SYSTEM NAVIGATION SUPPORT The ARPA system's advanced tracking and data analysis capabilities can also aid in navigation, helping the crew plan and execute safe routes. ARPA Controls and Their Functions ARPA Controls and Their Functions #1 TARGET ACQUISITION in ARPA radar is the process of detecting and identifying potential targets within the radar's range. This function is crucial for collision avoidance and safe navigation. AUTOMATIC ACQUISITION MANUAL ACQUISITION This mode uses advanced algorithms to Operators may need to manually automatically detect and track targets select targets for tracking, especially within a specified range and bearing. if the automatic acquisition system ARPA systems typically have adjustable fails to detect a particular target or if parameters to control the sensitivity and the operator wants to focus on a selectivity of automatic acquisition. specific area of interest. ARPA Controls and Their Functions #2 TARGET TRACKING Function that involves continuously monitoring and updating the position, course, and speed of detected targets. This information is essential for collision avoidance and safe navigation. 1. Track Initiation: Starts tracking a selected target. 2. Track Cancellation: Stops tracking a target. 3. Track Smoothing: Filters out noise and fluctuations in target data to improve track accuracy. ARPA Controls and Their Functions #3 TARGET INFORMATION DISPLAY Provide a information about detected targets, enabling mariners to assess potential collision risks and take appropriate action. The target information display typically includes the following elements: Range: Displays the distance to the target. Bearing:Displays the direction to the target. Course: Displays the target's estimated course. Speed: Displays the target's estimated speed. ARPA Controls and Their Functions #4 VECTOR DISPLAY Is a graphical representation of a target's predicted course and speed. It consists of a line extending from the target's current position, indicating its projected path based on its current heading and speed. 1. Target Vector: Displays a line indicating the target's predicted course and speed. 2. Own Ship Vector: Displays a line indicating the own ship's course and speed. ARPA Controls and Their Functions #5 ALARM SETTINGS ARPA systems typically include various alarm settings to alert operators to potential collision risks or other hazardous situations. These alarms can be configured to trigger under specific conditions, providing early warnings and allowing for timely evasive action. 1. CPA Alarm: Sets an alarm to alert the operator when a target's CPA falls below a specified threshold. 2. TCPA Alarm: Sets an alarm to alert the operator when a target's Time to CPA falls below a specified threshold. ARPA Controls and Their Functions #6 DISPLAY CONTROLS ARPA systems offer various display controls that allow operators to customize the radar display to suit their specific needs and preferences. These controls help ensure clear and effective visualization of target information and navigational data. 1. Range Scale: Adjusts the range scale of the radar display. 2. Gain: Adjusts the sensitivity of the radar receiver. 3. Sea Clutter Reduction: Reduces interference from sea clutter. 4. Rain Clutter Reduction: Reduces interference from rain. ARPA Controls and Their Functions #7 SYSTEM SETTINGS ARPA systems offer various system settings that allow operators to configure the system's behavior and performance to meet specific requirements. These settings can be adjusted to optimize target tracking, alarm settings, and other functions. 1. Target Tracking Parameters: Configures settings for target tracking, such as track initiation criteria and track smoothing parameters. 2. Alarm Settings: Configures settings for alarms, such as CPA and TCPA thresholds. 3. System Calibration: Calibrates the ARPA system to ensure accurate measurements. Target Tracking Capabilities and Limitations AUTOMATED TRACKING PREDICTIVE CAPABILITIES The ARPA system can automatically By analyzing the movement of detect and track multiple targets tracked targets, the ARPA system simultaneously, providing the crew can predict their future positions, with a comprehensive overview of helping the crew anticipate potential the surrounding traffic. collision scenarios. LIMITATIONS However, the ARPA system's performance can be affected by factors such as environmental conditions, target size, and radar interference, which may limit its accuracy and reliability. INTERPRETING THE ARPA DISPLAY  Target Symbols The ARPA display uses standardized target symbols to indicate the type and status of detected objects, providing the crew with a clear visual reference.  Data Readouts Numerical data such as target speed, course, and distance are presented alongside the visual representation, giving the crew a comprehensive understanding of the situation. ARPA MAINTENACE AND TROUBLESHOOTING Ensure the ARPA system is regularly REGULAR CHECKS inspected and calibrated to maintain optimal performance and accuracy. In the event of any malfunctions or unexpected behavior, refer to the TROUBLESHOOTING manufacturer's troubleshooting guide to identify and resolve the issue Stay up-to-date with the latest software updates and patches to take advantage SOFTWARE UPDATES of performance improvements and bug fixes. THANK YOU! QUIZ 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

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