UAV Autonomous ATC Voice via Analog RF Link
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current UAV communication systems with air traffic control (ATC) face disruptions when the digital communication link between the human operator and the UAV fails, leading to a loss of two-way voice communications, which can be burdensome and disruptive to ATC operations, especially in multi-aircraft environments.
Innovation Solution
The UAV implements autonomous one-way voice communications via an analog RF link to ATC, using a text-to-speech generator to transmit flight parameters and status updates when the digital communication link with the human operator is lost, ensuring continuous information exchange and minimizing disruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If two-way voice communications are maintained through digital RF link between human operator and UAV, then continuous communication with ATC is improved, but system complexity and dependency on digital link increases
Solution Approach 1:
The patent introduces an autonomous communication system as an intermediary between the UAV and ATC that can independently generate and transmit voice communications when the digital link fails. This intermediary system includes automated message generation capabilities and text-to-speech conversion, allowing the UAV to maintain communication without human operator intervention during digital link failures.
Solution Approach 2:
The system performs preliminary actions by pre-configuring multiple communication paths and automated response protocols before digital link failure occurs. The autonomous system is pre-programmed with standard ATC communication phrases and procedures, enabling immediate activation upon detection of digital link failure without requiring real-time human decision-making.
2Reliability
If human operator manually establishes landline telephone communication with ATC during digital link failure, then communication is restored, but communication availability is reduced and operator burden increases
Solution Approach 1:
The autonomous communication system enables the UAV to serve itself by automatically generating and transmitting voice communications to ATC without requiring human operator intervention. The system monitors digital link status, detects failures autonomously, and initiates alternative communication methods independently, freeing the operator from manual landline establishment tasks.
Solution Approach 2:
The system prepares automated communication protocols and message templates in advance, so when digital link failure occurs, the UAV can immediately begin autonomous communication without waiting for operator action. Standard ATC phrases and procedures are pre-loaded, enabling seamless transition to autonomous mode.
3Duration of action of stationary object
If autonomous one-way voice communications are implemented via analog RF link, then communication continuity during digital link failure is improved, but communication functionality is reduced to one-way
Solution Approach 1:
The system implements partial communication functionality by providing one-way autonomous voice transmissions during digital link failure, which is sufficient for safety-critical information such as position reporting and status updates. This partial action approach prioritizes essential communication needs over full two-way interaction capability.
Solution Approach 2:
The autonomous system uses pre-configured message templates and standard ATC communication phrases to convey essential information in one direction. By preparing comprehensive message sets in advance covering various flight scenarios, the system can maintain effective communication continuity without requiring real-time two-way interaction.
Data Source
AI summary
An exemplary method is implemented by an unmanned air vehicle (UAV) for providing voice communications to an air traffic control (ATC) station. Two-way first voice communications are supported with a human operator at a control station that is in control of the UAV over a digital radio frequency (RF) link. Two-way second voice communications are supported with a controller at the ATC station over an analog RF link. The first and second voice communications are coupled to each other so that two-way voice communications are provided between the human operator and the controller. A determination is made that the first communications with the human operator is not operative. Based on this determination, autonomous voice announcements of flight parameters of the UAV are generated, and transmitted via the analog radio frequency link to the ATC station.