Service Mode Selection System for Service Vehicles
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Solution Overview
Problem
Service vehicles require complex and varied control sequences for different service modes, leading to user error and inefficiency, and existing solutions like reduced controls or operational instructions are limited by language and literacy barriers.
Innovation Solution
A service mode selection system that includes a control system capable of receiving operator input via a service mode selection device, automatically setting the vehicle to the selected mode by verifying interlocks and controlling vehicle components such as power take-off, transmission, and lighting systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple controls and components are engaged for different service modes, then the vehicle can perform multiple functions, but the control sequence complexity increases and user error risk rises
Solution Approach 1:
The patent combines multiple separate controls and components into a single integrated service mode selection device. This single device replaces numerous individual buttons, switches, and controls that previously needed to be manipulated in complex sequences, thereby maintaining full service mode functionality while dramatically simplifying the operator interface and reducing control sequence complexity
Solution Approach 2:
The service mode selection device is designed as a universal control interface that handles multiple service modes through a single unified mechanism. This multi-functional device can select between various service modes (e.g., water jet mode, vacuum mode, combination mode) without requiring mode-specific control sequences, thus maintaining versatility while reducing overall system complexity
2Reliability
If operational instructions or decals are provided to guide operators, then control accuracy improves, but language and literacy barriers limit effectiveness
Solution Approach 1:
The patent introduces a microprocessor-based control system as an intermediary between the operator and the vehicle's service modes. This intelligent mediator automatically interprets the operator's simple selection input and executes the appropriate control sequences, eliminating the need for operators to read or understand complex instructional decals while maintaining high control accuracy through programmed logic
Solution Approach 2:
The patent replaces manual mechanical control sequences with an automated electronic control system. Instead of requiring operators to physically manipulate multiple controls in specific orders based on instructional decals, the microprocessor-based system automatically manages the control sequences, thereby improving both reliability and accessibility to operators regardless of language or literacy level
3Ease of operation
If controls are left turned on or engaged all the time, then the number of operator inputs is reduced, but operational efficiency and reliability decrease
Solution Approach 1:
The patent implements preliminary action by having the service mode selection device pre-configured with all necessary control sequences for different service modes. When the operator makes a selection, the system has already prepared the appropriate automated sequence, allowing the operator to provide minimal input while the system efficiently executes the pre-programmed actions in the correct order, thus maintaining both ease of operation and operational efficiency
Data Source
AI summary
A service mode selection system for a service vehicle is provided for simplifying a control for setting the vehicle in a desired service mode. The system includes a control system for receiving an operator's selection of service mode via a service mode selection device and controlling vehicle components to automatically set the vehicle in a selected service mode. The service mode selection device can be arranged in a cab of the vehicle and allows the operator to conveniently select a desired service mode, thereby achieving a work-ready machine with as few operator inputs as possible.