尤溪县是水稻制种大县,目前水稻年制种面积超过2000hm2,水稻综合机械化生产水平达到82％以上.水稻制种已经是尤溪县农业领域的支柱性产业,如何提升其机械化水平是尤溪县水稻制种产业发展的关键.文章阐述了尤溪县推广杂交稻制种机械化主要做法,以及水稻制种生产中存在的主要问题,并提出相应的对策建议.
"汽车销售实务"课程组在梳理我国多所高校汽车营销、车辆工程、汽车服务等专业人才培养方案与汽车销售顾问职业素养的基础上,立足湖北汽车工业学院进行了学情分析,充分挖掘课程思政元素,将其融入专业课程教学目标与课程定位,不断完善课程内容、教学方法,修订第三版国家规划教材,改革考核方案,将思想政治工作贯穿教育教学及人才培养的全过程,探索专业课程和课程思政如何同频共振,全方位、多角度使学生具备相应的岗位职业能力,实现汽车销售顾问的职业素质和自我管理,努力培养营销专业学生成为冠军级营销人员.
高温好氧堆肥发酵处理是畜禽粪污资源化利用的有效途径,筒仓式堆肥处理机作为高温好氧堆肥发酵的关键设备,其结构对堆肥的生产效率、成品质量和能耗等有着至关重要影响.通过分析高温好氧堆肥发酵影响因素和总体设计要求,确定了筒仓式堆肥处理机主要结构和参数,设计研发了 HFF-100型筒仓式堆肥处理机,适用于畜禽养殖业的粪污处理和有机肥发酵生产,通过堆肥发酵工艺参数调整,还能适用于生活垃圾和污泥处理.
以福建省传统温室大棚育苗种植为研究对象,针对青椒等农作物大棚种植冬季的低温防冻问题,提出温室大棚智能育苗防冻增温系统的架构理念,阐述了其结构组成及特点,解决农作物烂种、僵苗、死苗现象发生.
介绍福建省链板式茶叶烘干机常用热源型式、茶叶烘干能耗概况,茶叶烘干成本计算的依据,对采用不同型式热源进行烘干时的成本进行计算,并将年产茶叶量与烘干总成本绘成曲线,找出不同型式热源最低使用成本的临界产量值,为茶叶企业技术改造提供参考.
针对丘陵山区甘薯机械收获存在的薯土分离不清、埋薯率过高等技术问题,结合福建省农业机械化研究所研制的与东风-15手扶拖拉机配套的丘陵山区甘薯收获机,分析了该机薯土分离的现有技术,并在此基础上对薯土分离的方法改进及装置设计进行阐述,重点阐述拨料轮、分离筛、振动机构等主要部件的设计.该薯土分离方法及装置,通过主动柔性拨料轮将挖掘铲挖起的薯土混合物先往后推送并进行薯块和土壤剥离,并用振动机构驱动分离筛做摆动振动,再对其分离,在推送、剥离、振动等共同作用下实现薯块和土壤高效分离,同时薯块的损伤小,分离装置整体结构较小巧、紧凑.经初步试验,该装置在土壤绝对含水率约为25％的田块作业时,可初步达到提高薯土分离效果和降低埋薯率的改进目的.
农用无人机在农业活动中,与传统人工作业相比具有降低劳动强度、节省劳动力等方面的优势.其中水稻无人机直播对丘陵山区的农田作业更起到明显降本增效的效果.文章立足于福建省大田县近年来水稻无人机直播的实践活动及试验结果,总结探讨水稻无人机直播的技术要点及注意事项.
近十年来国内草坪面积逐年增加,智能割草机需求不断提高,而目前对智能割草机工作性能有重要影响的路径规划技术还存在不足之处.文章从智能割草机的实际应用出发,首先对智能割草机的国内外研究现状和点到点路径规划、遍历路径规划、全区域覆盖路径规划等各类路径规划进行综述,其次对各类路径规划方式进行分析,重点分析了各类算法的优缺点,总结出智能割草机全区域覆盖路径规划技术的发展方向,最后对智能割草机路径规划未来发展趋势进行展望,为智能割草机路径规划研究提供一定的思路.
结合龙岩市新罗区水稻机收减损工作现状,针对工作中普遍存在的问题,分析水稻机收减损的影响因素,提出加强水稻机收减损工作的措施与建议.
地坪磨抛机的工作效率低下和过度依赖人工的问题,加上在操作过程中产生的机械振动、噪声和粉尘污染对工人健康的潜在威胁,都凸显出提升工作效率和减少人力成本的需求.文章对应用了激光雷达轨迹自矫正算法的地坪磨抛机进行研究,结果表明该应用可达到良好的轨迹覆盖效果.
玻璃钢撑杆浮球式多功能筏式养殖平台由多根横向、纵向玻璃钢撑杆按矩阵排列分布组成,横向及纵向间距均不小于6m.对紫菜牡蛎养殖设施、混养轮养养殖工艺、防缠绕自伸缩吊绳装置、牡蛎塑型养殖笼、液压驱动生蚝作业平台及养殖物联网系统进行了研究.玻璃钢撑杆浮球式多功能筏式养殖平台的研究可有效提高养殖效益、提升养殖产品品质、实时掌控养殖相关信息并减少养殖户 日常出海巡查次数.
In order to improve the mechanization level of weeding and the efficiency of weeding,a kind of intelligent weeding robot which can realize automatic control and identification weeding was designed. The robot adopts the movement mode of wheel structure,on the basis of the smart phone system,the STM32F103C8T6 micro-control chip and LabVEW software platform real-time processing visual recognition system can be used to design the walking route according to different terrain features,and at the same time,the weeds can be accurately located. The motor drive module is used to realize the robot movement and weeding function. The experiment of weeding different crops was carried out by using the mode of ridge operation,the results show that the average weed recognition rate of the robot is 95%,and the weed removal rate is 83%,which is 8% higher than previous studies and can be applied to weeding operations in different fields.
The digital economy can empower the modernization of agriculture from all aspects and multiple angles. The article briefly describes the background of the digital economy empowering the modernization of agriculture,and analyzes the current situation of the digital economy empowering the modernization of Fujian agriculture from four perspectives:digital infrastructure construction,promoting industrial integration,boosting modernization transformation and digital financial innovation services. It also puts forward countermeasures and suggestions for the existing problems,providing reference for further promoting the modernization of Fujian agriculture,and realizing the rural revitalization road with Fujian characteristics.
Perception,planning,decision-making and control are the core control issues of autonomous vehicles,and the design of intelligent car automatic obstacle avoidance system is the basis of automatic driving control. The artical designs a intelligent car obstacle avoidance system based on ultrasonic radar sensor perception,Arduino UNO R3 development board and obstacle avoidance program to control the obstacle avoidance movement of the car,the effectiveness of the designed obstacle avoidance system of intelligent vehicle is verified under three working conditions of three side carton obstacles.
The new demands of mechanical professional training,which adapt to the development of intelligent manufacturing,are analyzed,main requirements are present including steady basic knowledge system,proficient skills and the adaptability of new equipment. Due to the central position of the electrical control course for machine tools in the training of personnel,the teaching content needs to be fully considered the development of intelligent manufacturing. The traditional mechanical course system should be upgraded and supplemented,the connection between basic knowledge and engineering practice should be strengthened. It is necessary to explore the development of a comprehensive practical training platform and carry out comprehensive teaching case design. Finally,for the cultivation of innovation ability,the teaching content should be innovative and forward-looking to meet the needs and changes of future industrial development. It can rely on and utilize curriculum resources to develop innovative projects combining competition and teaching to achieve the purpose of promoting teaching by competition.
CO 2 is one of the essential main raw materials for crop growth,adding CO 2 fertilizer to greenhouse pepper cultivation was conducted to study its impact on the growth,yield,and disease resistance of pepper. The results showed that adding CO 2 fertilizer significantly promoted the growth,yield,quality,and disease resistance of pepper. Under the same conditions as other cultivation measures,adding CO 2 fertilizer to a greenhouse can maintain the CO 2 content in the air in the warm room at around 500～700 ppm on sunny days and around 400 ppm on overcast days,which can increase the yield of pepper by about 25%.
Plant protection UAV is a new kind of plant protection machinery and equipment.It can carry out ultra-low-altitude flight operations,with the advantages of high operating efficiency,small application amount and good maneuverability,which has been widely used in recent years.By analyzing the development status and performance characteristics of plant protection UAVs at home and abroad,this artical puts forward some problems in the application industry of plant protection UAVs and predicts their future development prospects.
The mechanized harvesting of rice has obvious advantages in reducing labor intensity,reducing operating costs and improving work efficiency,but the losses caused in the harvesting process are also very prominent. It is analyzed about the main problems and causes of rice harvest loss in Jiangle County,and put forward corresponding measures and suggestions to reduce the loss.
When machining the inner hole shape of a part on a lathe,there are problems such as easy interference between the tool and the inner surface of the hole shape,difficulty in chip removal,and unsatisfactory cooling and lubrication conditions at the tool head. Through the design of double-head cutter bar detachable boring lathe tools and rectangular cutter bar drainage groove boring lathe tools,the size specifications of lathe inner hole processing tools are enriched,the tool structure functions are improved,and the requirements for processing small size multi-step inner holes and large size deep holes of parts are effectively adapted,saving production costs,and improving the processing quality of parts.
