RTK Vehicle Control Module for Precise Earthmoving Commands
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Solution Overview
Problem
Existing vehicle control systems lack the precision and adaptability needed for accurate operation of operational parts in vehicles, particularly in earth moving applications, due to limitations in real-time kinematic positioning and sensor data integration.
Innovation Solution
A vehicle control system featuring a module that can function as a base, rover, or heading reference receiver, easily configurable via a webpage, utilizes RTK systems to modify operational part control commands based on real-time sensor data and positioning information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If RTK positioning system is used to improve precision of operational part control, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The vehicle control module is designed to perform multiple functions: it can operate as a base receiver, rover receiver, or heading reference receiver depending on configuration. This multi-functionality allows a single device to provide RTK positioning capabilities without requiring separate dedicated receivers for each role, thereby improving measurement precision while managing device complexity through functional integration.
Solution Approach 2:
The vehicle control module acts as an intermediary between the GPS satellite signals and the vehicle's operational parts. It receives raw positioning data, processes it through RTK algorithms to achieve centimeter-level precision, and then transmits modified control commands to the operational parts. This intermediary role enables high-precision control without directly complicating the vehicle's existing control architecture.
2Adaptability or versatility
If vehicle control module is designed to work with multiple different vehicles, then adaptability is improved, but device complexity increases
Solution Approach 1:
The vehicle control module incorporates universal communication interfaces and configurable software that enable it to work with multiple different vehicle types. The module can be programmed to recognize and adapt to various vehicle architectures, sensor configurations, and control protocols, providing broad vehicle compatibility without requiring hardware modifications for each vehicle type.
Solution Approach 2:
The control module employs dynamic configuration capabilities where system parameters, communication protocols, and operational modes can be adjusted in real-time based on the specific vehicle it is connected to. This dynamic adaptability allows the same hardware platform to serve multiple vehicle types by simply changing software settings rather than requiring complex hardwired configurations for each vehicle model.
3Manufacturing precision
If sensor data integration is implemented to improve control accuracy, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The vehicle control module merges multiple sensor data streams (GPS positioning, inertial measurement, vehicle telemetry) into a unified control framework. By integrating these diverse sensors and harmonizing their data through centralized processing, the system achieves improved control accuracy for operational parts while managing complexity through consolidated data handling rather than separate independent systems.
Solution Approach 2:
The control module implements feedback mechanisms where sensor data from operational parts is continuously monitored and used to adjust control commands in real-time. This closed-loop feedback system improves manufacturing precision by automatically correcting deviations from desired positions, while the feedback processing is managed through efficient algorithms that prevent exponential growth in system complexity.
Data Source
AI summary
Vehicle control systems and modules are disclosed herein. In an embodiment, a vehicle control module includes a first module connector configured to connect to a vehicle in place of a vehicle input device configured to control an operational part of the vehicle, a second module connector configured to connect to the vehicle input device, and an electronic controller configured to (i) receive an input command regarding the operational part of the vehicle from the vehicle input device connected via the second module connector, (ii) modify the input command, and (iii) transmit the modified input command to the vehicle via the first module connector to cause the vehicle to operate the operational part in accordance with the modified input command.


