Vibratory Compactor Control System for Amplitude Segmentation
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Solution Overview
Problem
Existing vibratory compactors offer a wide range of vibration amplitude and frequency settings, leading to unnecessary complexity and increased costs for operators, as most job sites require specific combinations that are not efficiently managed by current systems.
Innovation Solution
A vibratory compactor system with a control mechanism that allows for selective settings of vibration amplitudes and frequencies, enabling operators to choose from predefined groups based on job requirements, with automatic adjustments possible through a remote setting device and compaction sensor feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a full range of vibration amplitudes and frequencies is provided, then compaction versatility is improved, but device complexity and operational complexity increase
Solution Approach 1:
The full range of vibration amplitudes and frequencies is segmented into multiple predetermined groups. Each group contains specific combinations of amplitude and frequency settings optimized for particular compaction applications. The control system allows selection between these predefined groups rather than allowing continuous adjustment of all parameters, thereby reducing operational complexity while maintaining compaction versatility.
2Adaptability or versatility
If a full range of vibration amplitudes and frequencies is provided, then compaction versatility is improved, but costs increase
Solution Approach 1:
The vibration control system is segmented into predefined groups of amplitude and frequency combinations. By manufacturing the control system to support selection between these predetermined groups rather than continuous adjustment across the full range, the overall system complexity and manufacturing cost are reduced while still providing the versatility needed for different compaction applications.
3Adaptability or versatility
If multiple amplitude and frequency settings are available, then compaction adaptability is improved, but operational complexity increases
Solution Approach 1:
The operating parameters are segmented into predetermined groups where each group represents a coherent set of amplitude and frequency combinations suitable for specific compaction scenarios. The operator simply selects between these predefined groups rather than independently adjusting multiple parameters, which maintains compaction adaptability while significantly reducing operational complexity.
Solution Approach 2:
The amplitude and frequency combinations are pre-configured into optimal groups before operation. This preliminary arrangement of parameters into meaningful groups allows the operator to select pre-optimized settings for different compaction needs without having to understand or adjust the underlying parameter relationships, thereby reducing operational complexity.
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
This solution simplifies the operation of vibratory compactors by limiting amplitude and frequency choices to only those needed for each job, reducing operational complexity and costs while ensuring appropriate compaction levels are maintained.
Implementation Method 1
The vibratory compactor includes a drum assembly having a variable vibratory mechanism that, for example, includes inner and outer eccentric weights arranged on a rotatable shaft
Implementation Method 2
Amplitude is typically controlled by a transversely moveable linear actuator adapted to axially bear against an axially translatable key shaft, causing the key shaft to rotate. The rotation of the key shaft, in turn, alters relative positions of the inner and the outer eccentric weights to vary amplitude of vibration created within the drum.
Implementation Method 3
Frequency of vibration is controlled by changing the speed of a drive motor positioned within the compactor drum.
Data Source
AI summary
A compactor vibration system, apparatus, and method that selectively provide access to vibration control settings. The control can include receiving a setting for a first set of selectable amplitudes of vibration force at which to operate a vibratory system for a first predetermined amount of time, operating the vibratory system during the first predetermined amount of time by inducing the vibration force at amplitudes by the vibratory system, wherein the amplitudes of the vibration force are selected from among the first set of selectable amplitudes, and after the first predetermined amount of time, changing the setting to a second set of selectable amplitudes of the vibration force that is different from the first set of selectable amplitudes.