A Tree-Planting Vehicle for Promoting the Sustainable Development of Desert Greening
Abstract
:1. Introduction
2. Theoretical Foundations and Methods
2.1. Objectives Tree Method
- List the design objectives through investigations, interviews, and discussions and expand the design objectives as much as possible;
- According to the primary and secondary relationship between the design objectives, all design objectives are grouped;
- Draw an objective tree diagram to present the relationship between design targets.
2.2. Function Analysis Method
- Define the functional system of the target product based on “input” and “output” (i.e., black box);
- Decompose the overall function of the target product into a series of necessary secondary functions;
- In the “black box”, from left to right, use a block diagram to represent the relationship between secondary functions;
- Plan out several reasonable functional system boundaries;
- Search for appropriate elements to realize the association between secondary functions.
2.3. Finite Structure Method (FSM)
- Determine the primary functions of the target product;
- Disassemble the primary function into a combination of several secondary functional units;
- Use geometric figures to represent secondary functional units and analyze various possible layouts in two-dimensional space;
- Reflect on the feasibility of various layouts according to the design objectives and then obtain several reasonable spatial layouts.
2.4. Morphological Analysis Method
- List the shape elements of the target product;
- Present various types of each shape element;
- Establish a morphological chart;
- Obtain several alternatives through rational screening.
2.5. Fuzzy Comprehensive Evaluation
- (1)
- Establish a factor set:
- (2)
- Establish a weight set:
- (3)
- Establish an evaluation set:
- (4)
- Single-factor fuzzy evaluation:
- (5)
- Fuzzy comprehensive evaluation:
3. Empirical Study
3.1. Step 1: Gather Information about the Tree-Planting Vehicle
3.2. Step 2: Clarify the Design Objectives of the Desert Tree-Planting Vehicle
3.3. Step 3: Analyze the Functional System of the Desert Tree-Planting Vehicle
3.4. Step 4: Deduce the Shape of the Desert Tree-Planting Vehicle
3.5. Step 5: Generate Several Alternatives
3.6. Step 6: Design Evaluation of Several Alternatives
3.6.1. Establish the Factor Set of the Desert Tree-Planting Vehicle
3.6.2. Establish the Weight Set of the Desert Tree-Planting Vehicle
3.6.3. Establish an Evaluation Set for the Desert Tree-Planting Vehicle
3.6.4. Single-Factor Fuzzy Evaluation for the Desert Tree-Planting Vehicle
3.6.5. Fuzzy Comprehensive Evaluation for the Desert Tree-Planting Vehicle
4. Results and Discussion
- Since the storage unit and the work unit are independent of each other, the storage unit could store more saplings, saving time when transporting and replenishing saplings;
- The storage unit adopts an integrated storage method for storing saplings (see Table 1). This method can not only carry more saplings at one time, but also, the saplings can be transferred from the storage unit to the work unit through the automatic transfer system. The detailed transfer process is shown in Figure 9;
- The drive unit adopts a round-head cockpit. In contrast to other cockpits, the round cockpit has a rounded shape, and there are no extra recessed edges to collect dust.
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Sub-Functions | Type 1 | Type 2 | Type 3 | Type 4 | Type 5 |
---|---|---|---|---|---|
Drive (D) | (D1) Wrapped Cockpit | (D2) Round head cockpit | (D3) Flat-headed cockpit | (D4) Reversible cockpit | (D5) Extended cockpit |
Power (P) | (P1) Fuel oil | (P2) Solar energy | (P3) Electric energy | (P4) Hybrid energy | |
Storage (S) | (S1) Separate storage | (S2) Integrated storage | |||
Work (W) | (W1) Traditional drill | (W2) Mechanical arm drill | (W3) Retractable drill | (W4) Split drill | (W5) Flat drill |
Brace (B) | (B1) Traditional round wheel | (B2) Triangular track | (B3) Rounded rectangular track |
Level 2 Evaluation Factors | Weight (W) | Evaluation Scores | ||
---|---|---|---|---|
Alternative 1 | Alternative 2 | Alternative 3 | ||
Storage capacity | 0.54 | 0.285 | 0.885 | 0.465 |
Planting speed | 0.46 | 0.240 | 0.285 | 0.840 |
Degree of difficulty of replacement | 0.49 | 0.420 | 0.570 | 0.330 |
Rationality of structure | 0.51 | 0.285 | 0.465 | 0.285 |
Inclusiveness of operation errors | 0.31 | 0.285 | 0.420 | 0.420 |
Sand-prevention performance | 0.36 | 0.615 | 0.375 | 0.420 |
Heat-shielding performance | 0.33 | 0.375 | 0.330 | 0.420 |
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Lu, P.; Wu, F.; Lin, Y.-C. A Tree-Planting Vehicle for Promoting the Sustainable Development of Desert Greening. Sustainability 2022, 14, 9171. https://doi.org/10.3390/su14159171
Lu P, Wu F, Lin Y-C. A Tree-Planting Vehicle for Promoting the Sustainable Development of Desert Greening. Sustainability. 2022; 14(15):9171. https://doi.org/10.3390/su14159171
Chicago/Turabian StyleLu, Peng, Fan Wu, and Yang-Cheng Lin. 2022. "A Tree-Planting Vehicle for Promoting the Sustainable Development of Desert Greening" Sustainability 14, no. 15: 9171. https://doi.org/10.3390/su14159171