1 基于消耗稳定性的维修器材分类
2 基于器材分类的消耗组合预测方法
2.1 典型装备稳定性消耗维修器材的消耗预测
2.2 典型装备不稳定消耗维修器材的消耗预测
2.3 结果验证
2.3.1 组合预测方法预测精度验证
2.3.2 组合预测方法与单一预测方法预测比较
表1 模型精度等级Tab.1 Model accuracy level |
等级 | P | C |
---|---|---|
Ⅰ | >0.95 | <0.35 |
Ⅱ | >0.80 | <0.45 |
Ⅲ | >0.70 | <0.50 |
Ⅳ | ≤0.70 | ≥0.65 |
表2 不同方法对比预测结果Tab.2 Comparison of prediction results by different methods |
序号 | 器材件号 | 移动平均法 | 指数平滑法 | Croston法 | SBA法 | TSB法 | 灰色预测法 | 组合预测法 | 实际结果 |
---|---|---|---|---|---|---|---|---|---|
1 | **01 | 2 | 3 | 3 | 1 | 2 | 3 | 3 | 3 |
2 | **02 | 2 | 3 | 2 | 2 | 2 | 0 | 2 | 0 |
3 | **03 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
4 | **04 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 4 |
5 | **05 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 5 |
6 | **06 | 1 | 1 | 1 | 0 | 1 | 2 | 0 | 0 |
7 | **07 | 2 | 4 | 2 | 2 | 2 | 5 | 5 | 6 |
8 | **08 | 2 | 2 | 4 | 2 | 5 | 4 | 4 | 0 |
9 | **09 | 8 | 5 | 4 | 4 | 4 | 4 | 4 | 10 |
10 | **10 | 5 | 3 | 4 | 4 | 3 | 6 | 4 | 6 |
11 | **11 | 8 | 6 | 7 | 5 | 7 | 5 | 5 | 4 |
12 | **12 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
13 | **13 | 5 | 6 | 5 | 4 | 6 | 5 | 5 | 4 |
14 | **14 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
15 | **15 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
16 | **16 | 1 | 0 | 2 | 1 | 1 | 1 | 2 | 2 |
17 | **17 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 |
18 | **18 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 2 |
19 | **19 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
20 | **20 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
21 | **21 | 5 | 4 | 3 | 2 | 3 | 3 | 3 | 2 |
22 | **22 | 13 | 10 | 7 | 7 | 7 | 10 | 10 | 10 |
23 | **23 | 12 | 12 | 11 | 5 | 11 | 9 | 9 | 8 |
24 | **24 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 3 |
25 | **25 | 1 | 1 | 1 | 1 | 6 | 0 | 6 | 6 |
26 | **26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
27 | **27 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 |
28 | **28 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
29 | **29 | 6 | 3 | 3 | 3 | 3 | 4 | 3 | 10 |
30 | **30 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 |
31 | **31 | 2 | 1 | 4 | 1 | 0 | 0 | 4 | 5 |
32 | **32 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
33 | **33 | 2 | 1 | 2 | 2 | 0 | 1 | 0 | 0 |
34 | **34 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 |
35 | **35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
36 | **36 | 2 | 2 | 1 | 1 | 1 | 2 | 1 | 1 |
37 | **37 | 2 | 0 | 1 | 1 | 1 | 0 | 1 | 0 |
38 | **38 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 |
39 | **39 | 1 | 0 | 1 | 1 | 1 | 2 | 1 | 1 |
40 | **40 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 |
41 | **41 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
42 | **42 | 2 | 0 | 1 | 1 | 0 | 2 | 1 | 1 |
43 | **43 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 4 |
44 | **44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
45 | **45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
46 | **46 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
47 | **47 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 |
48 | **48 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 |