上面的problem文件呢
时间: 2024-03-16 15:45:21 浏览: 25
这里提供一个完整的PDDL问题描述文件,你可以将其保存为`.pddl`文件并使用PDDL求解器来求解该问题。
```
(define (problem river-crossing)
(:domain river-crossing)
(:objects farmer - person
wolf - animal
goat - animal
cabbage - vegetable
riverbank1 - riverbank
riverbank2 - riverbank
boat - boat)
(:init (at farmer riverbank1)
(at wolf riverbank1)
(at goat riverbank1)
(at cabbage riverbank1)
(at boat riverbank1)
(on-board farmer boat))
(:goal (and (at farmer riverbank2)
(at wolf riverbank2)
(at goat riverbank2)
(at cabbage riverbank2))))
(:operators
;; Move the farmer from one riverbank to the other
(:action cross-river
:parameters (?from - riverbank ?to - riverbank)
:precondition (and (at farmer ?from) (at boat ?from))
:effect (and (not (at farmer ?from))
(not (at boat ?from))
(at farmer ?to)
(at boat ?to)))
;; Move an animal or vegetable from one riverbank to the other
(:action move
:parameters (?thing - object ?from - riverbank ?to - riverbank)
:precondition (and (at ?thing ?from) (at boat ?from) (on-board farmer boat))
:effect (and (not (at ?thing ?from))
(not (at boat ?from))
(at ?thing ?to)
(at boat ?to))))
;; Make the farmer and an animal or vegetable cross the river
(:action cross
:parameters (?thing - object ?from - riverbank ?to - riverbank)
:precondition (and (at farmer ?from) (at ?thing ?from) (at boat ?from))
:effect (and (not (at farmer ?from))
(not (at ?thing ?from))
(not (at boat ?from))
(at farmer ?to)
(at ?thing ?to)
(at boat ?to)
(if (and (not (at goat ?from)) (not (at cabbage ?from)))
(on-board farmer boat)
(and (not (on-board farmer boat)))))))
```
请注意,上面的PDDL问题描述文件中,需要定义问题名称、所属领域、对象和其属性、初始状态、目标状态和操作等。在这个规划问题中,我们定义了五个对象:农夫、狼、羊、白菜和船,还定义了两个河岸:riverbank1和riverbank2。初始状态下,所有的对象都在riverbank1上,船也在riverbank1上,并且农夫在船上。目标状态是所有对象都在riverbank2上。
相关推荐
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![docx](https://img-home.csdnimg.cn/images/20210720083331.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)