pdf romana - Universitatea Transilvania
pdf romana - Universitatea Transilvania
pdf romana - Universitatea Transilvania
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Cercetări privind monitorizarea la bord a parametrilor procesului de mecaniz. a lucrărilor agricole de semănat<br />
1. Generalities regarding the seeding work and the technical used equipments ..................<br />
1.1. Generalities of the seeding and its importance in agricultural plants technologies … 9<br />
1.2. Main plants species which are seeded and cultivated in Romania.................................... 10<br />
1.3. Agro technical conditions imposed to seeding work ………………………………… 16<br />
1.4.Seeding methods ................................................................................................................ 21<br />
1.5.Current stage in the field of developing seeding technical equipments ……………… 23<br />
1.6. Trends in seeding equipments development field ……………………………………… 49<br />
1.7. Conclusion regarding the seeding work and the technical equipments used …………<br />
52<br />
2. Current stage of the researches and achievements in the field of equipments for<br />
seeding process monitoring …………………………………………………………………..<br />
55<br />
2.1. Seed machines working quality indices and their monitoring necessity……………… 55<br />
2.2. Current stage in equipping seeding machines with monitoring systems field................. 59<br />
2.3.Parts of the monitoring and controlling systems ………………………………………… 65<br />
2.4. Conclusions regarding the equipments for seeding process monitoring ……………… 74<br />
3.PhD thesis necessity and objectives........................................................................................ 77<br />
3.1. PhD thesis necessity........................................................................................................... 77<br />
3.2.PhD thesis objectives and the research methodic............................................................... 78<br />
4.Theoretical contributions regarding the posibilities of into board monitoring of 81<br />
parameters charaterising the mechanization process of agricultural seeding works…..<br />
4.1. Calculus elements regarding the seeding machines monitoring constructive parameters 81<br />
and functional indices..................................................................................................................<br />
4.2.Researches regarding the use of phototransistor sensors to monitoring the seeding 95<br />
equipments ………………………………...................................................................................<br />
4.3.Researches regarding the use of GPS to monitoring the seeding equipments …............... 111<br />
4.4.Researches regarding the use of piezoelectric sensors to monit. the seeding equipments 114<br />
4.5. Conclusions regarding theoretical contributions to researching board monitoring of 117<br />
parameters charaterising the mechanization process of agricultural seeding works …………<br />
5. Experimental reseasrches reagrding into board monitoring of parameters<br />
charaterising the mechanization process of agricultural seeding works …………………<br />
121<br />
5.1. Experimental research objectives...................................................................................... 121<br />
5.2. Experimental research object............................................................................................. 121<br />
5.3. Experimental research methodic ....................................................................................... 128<br />
5.4. Devices and equipments used to the experimental researches........................................... 132<br />
5.5. Experimental researches development............................................................................... 142<br />
5.6. Processing, analysis and interpretation of the results of experimental researches……… 147<br />
5.7. Conclusions regarding the experimental researches……………………………………<br />
154<br />
6. Final conclusons......................................................................................................................... 157<br />
6.1. General conclusions........................................................................................................... 157<br />
6.2. Conclusions regarding the theoretical and experimental researches................................. 161<br />
6.3. Personal contributions....................................................................................................... 165<br />
6.4. Future research directions..................................................................................................<br />
166<br />
Bibliography………………………………………………………………………………...... 167<br />
Annexes……………………………………………………………………………………… 171<br />
2<br />
Autor: ing.PĂUNESCU I. Dan Dorian Conducător ştiinţific: Prof.univ.dr.ing.BRĂTUCU Gheorghe