Wireless Hydraulic Cab Control for Detachable Remote Operation
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Solution Overview
Problem
Existing systems do not enable remote wireless operation of a modular hydraulic cab from a heavy equipment frame module, limiting the detachment and operation of hydraulic tools over distances.
Innovation Solution
A remote wireless hydraulic cab system comprising a cab member with hydraulic joysticks and treadles, a hydraulic sensor plate, an electrical bulkhead, a cab bridge controller, and a transceiver, which converts hydraulic and electrical signals for wireless communication with a frame module, utilizing a hydraulic pump and electrical generator for operation, and an optional docking station for physical support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the hydraulic cab is detached and operated remotely from the frame module, then operational flexibility and convenience are enhanced, but system complexity increases due to wireless communication and hydraulic fluid delivery requirements
Solution Approach 1:
The system is divided into separate modular components: the frame module containing the hydraulic pump and tools, and the remote cab module containing the control interface. This segmentation allows independent operation and positioning of each module while maintaining functional integration through wireless communication and hydraulic fluid delivery.
Solution Approach 2:
A wireless communication system serves as an intermediary between the cab module and frame module, transmitting control signals without physical connection. Additionally, hydraulic fluid acts as a mediator to deliver actuation force across the physical distance between modules, enabling remote operation while managing system complexity.
2Ease of operation
If wireless communication is used between the cab and frame module, then operational convenience is improved, but energy consumption increases due to continuous signal transmission and reception
Solution Approach 1:
The wireless communication system operates using periodic signal transmission rather than continuous communication. Control signals are transmitted only when operator input is detected, and the system uses event-triggered communication protocols to minimize unnecessary transmissions, thereby reducing energy consumption while maintaining operational convenience.
3Adaptability or versatility
If the cab is located at a distance from the frame module, then operational flexibility is improved, but hydraulic fluid delivery becomes more difficult due to increased line length and pressure loss
Solution Approach 1:
The hydraulic system incorporates dynamic pressure compensation and flow regulation mechanisms that automatically adjust to varying line lengths and distances. The system uses variable displacement pumps and pressure-controlled valves to maintain reliable hydraulic fluid delivery regardless of the distance between the frame module and remote cab, ensuring consistent performance across different operational configurations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the detachment and remote wireless operation of a modular hydraulic cab from a heavy equipment frame module, allowing for efficient control of hydraulic tools over distance through wireless communication, enhancing operational flexibility and convenience.
Implementation Method 1
The cab transceiver transmits the plurality of electrical signals from the plurality of hydraulic pressure sensors and electrical signals from the vehicle controller
Implementation Method 2
The hydraulic pump is connected to the hydraulic pressure and return lines. The hydraulic pressure line, the hydraulic return line and the plurality of hydraulic joysticks and hydraulic treadles are connected to a hydraulic circuit block
Data Source
AI summary
A remote wireless hydraulic cab preferably includes a cab member, a hydraulic sensor block, an electrical bulkhead, a cab bridge controller and a cab transceiver. The cab member preferably includes a cab enclosure, two hydraulic joysticks, two hydraulic treadles and electrical equipment. The hydraulic sensor block includes a sensor block and a plurality of hydraulic pressure sensors. Hydraulic lines from the joysticks and treadles are connected to the sensor block. Pressure measurements from the joysticks and treadles are sent from the plurality of hydraulic pressure sensors to the cab bridge controller. The cab bridge controller sends signals for wireless transmission through a cab wireless transceiver to a frame transceiver. The electrical equipment is supplied with electrical power and transmits signals through the electrical bulkhead. Electrical power to the cab enclosure is supplied through an electrical generator and hydraulic fluid to the joysticks and treadles are supplied through a hydraulic pump.