| 基于改进人工势函数的航天器近距离安全控制方法1) | 
| 许丹丹, 张进 | 
| A COLLISION-AVOIDANCE CONTROL ALGORITHM FOR SPACECRAFT PROXIMITY OPERATIONS BASED ON IMPROVED ARTIFICIAL POTENTIAL FUNCTION 1) | 
| Xu Dandan, Zhang Jin | 
| 图9 具有上限和常变化率加速度形式的速度随时间变化 | 
| Fig. 9 Time vs the speed with upper limit and constant variation rate of acceleration | 
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