These control, was purposed to one of the most controllers for driving induction motor. Its method of operation have been explained in detailed. It is also shown in this workthat it allows the free and separated control of motor torque and motor stator flux. It is clear that its strategy is easier to handle than the flux vector control because voltage modulators and coordinate transformation are not needed, although it introduced some drawback being the high magnitude of torque ripple.
5.1.2 Direct torque control with duty ratio fuzzy controller
After all the deeply explanation, it has be known to focused on introducing a modulation in the DTC while fuzzy logic controller is in charge of controlling modulation between the active selected state and a null one.
Therefore it has been recommended and deeply explained that fuzzy logic with DTC can create the fuzzy logic DTC controller. The theoretical claim that duty ratio control can reduce torque ripple in the control gave acceptable results and reduces the computation burden by skipping unnecessary complex mathematical modeling of the nonlinear systems. By using duty ratio control, a particular motor performance can be achieved at a lower switching frequency compared to the ordinary DTC, which in turn improves the performance of the drive by minimizing the flux harmonics.
All recommendation is summarized schematically in the following ideas:
• To design a fuzzy controller that will enhance better performance. This fuzzy controllers should take into consideration the following ideas:
1. To design completely an automatic adaptive controller.
2. The controller must be used to any electrical motor.
3. To minimize the electrical noises, which appear in any power drive.
• Design the torque ripple reduction with fuzzy logic with duty ratio controllers and also with multilevel converters.
Design fuzzy logic with duty ratio DTC without sensor implementation that will be sensing two currents, the DC voltage and by means ofobservers.
• Design and apply different fuzzy logic, not only to induction motors as it has been done in the present work, but also to any electrical motor.

Based on the result of this study, institutions assessed have not been found perfectly effective in any of the five good governance indicators used in the study. Instead they were found effective in some of the sub indices of the indicators and ineffective in some other sub indices of the indicators. Therefore in order to avoid generalization by simply using indicators for conclusion, the conclusion of the study has been conducted by focusing on specific sub indices of the indicators used in the study. In addition, in the conclusion and recommendation focus has given for the weak side of institutions. As they are directly representing the society, Civil Society and Community Based Organizations have strong contributions in building of good governance. However, poor achievements were observed on the part of institutions in accommodating them. This greatly affects the overall performance of the institutions and led them to score weak institutional achievements.
In addition poor performance of institutions in cooperating with CBOs and CSOs has the influence of weakening the organization and deter the contribution they have in good governance building process. Is treating the group of the society under discussion. Ignoring them implies ignoring of more than half of the productive part of the population of the area. And it has become impossible for institutions to achieve good governance and poverty reduction . When policies or programs are going to be launched that directly or indirectly affects the society or customers, there must be first conducted some form of consultation with the society or the public users concerning their demands and how it is feasible to the society or at least for the purpose of creating awareness. Doing not results rejection of the program or projects on the part of the society, develop low sense of ownership of the project and finally results the totalfailure of the program or projects.

In principles of good governance organization’ management needs to be open for public review and evaluation. If the institutions are fear public review and evaluation of their administration by no means they could be said transparent. For a service provider institution making a survey of customer satisfaction level must be one of the first simple activities, failed to do this lead the
Failure of the organization as an institution and the institution will have not the mechanism to know its failures and success as far as the service it provides to the society. Customers having not giving immediate solutions for their complaints, blame not only the institution but the overall system of the government. It also results the loss of customers and the delay of solution led
service users to find solution abnormally such as through bribe For good governance to be occurrence in public institutions total staffs of the institutions should have awareness about good governance this need training, seminars and workshops, therefore trainings, seminars, workshops, information about good governance through pamphlets, journals and medias and other forms need to be given. Especially regional communication Medias can play greater role.

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Institutions need to be aware of concerning their efficiency in providing services so as to increase degree of confidence (trust) of the users. The services being totally independent from political influence encourage users and avoid the sense of discrimination among service users. Politically biased institutions produces conflict and hinder the building of good governance in institutions.
One the most important things that institutions expected to achieve is the establishment of procedures to follow up the implementation of anti corruption policy, what should not be forgotten in the process of achieving good governance in public institutions are the case of corruption. The most dangerous enemy of building democratic governance is corruption.
As the same time the public has to have the freedom of reviewing the budget of institutions. Both the society and CBOs and CSOs organizations should have accesses in reviewing budgets of the public institutions. There has to have mechanisms in public institutions which enabled them to review budgets. Corruption as endemic enemy for social, economical and political enemy of any country especial attentions should be given to it. As it strongly deters institutional performance capacity public institutions needs to cautious in eliminating from institutions.
Transparently informing service users whenever changes are going to made in services provisions. This enables service users to adjust themselves on time and avoid later confusions. And do not open room for vicious illegal traders.
Because of the cultural and historical influence that had laid up on them women parts of the population are not in offices and positions as they would have to been and it becomes impossible for a country to bring change and development without active participation of half of the part of the total population of the country. In general absence of giving training and awareness creation of officials and public institution employees through training, workshops and seminars, through pamphlets, journals and regional Medias, create the attitude of low value for good governance both among the civil servants and the community. They consider good governance as an idea that much not necessary for poverty reduction and sustainable development.
As far as equity and equality concerned the research used only one sub indicator, that was proportion of women in key position based the finding the proportion of women in key position accounted below 10%. Due to this institutions in general concluded poor in equity and equality. The possible measures that should be taken for the challenges of good governance and the possible outcomes of the absence or lack of good governance were gathered.
In addition follow up mechanisms concerning implementation of good governance in institutions have great role if they are established by institutions. Creating awareness about good governance especially using regional Medias and let them struggle the absence of good governance in public institutions. Lastly, institutional mechanisms should be established for discussion with the society regarding good governances. The consequent results of poor governance would probably be decrease institutional responsibility discharging capacity, damage society (customers) living and hinders government and it blocks expansion of investments, SMEs and trade.
Thus, as achieving good governance is one of the main agendas of Ethiopia, different efforts on the part of the government has been conducted recognizing that achieving good governance both at the national and local level directly or indirectly implies economic development and peace and stability . Thus this paper tried to show how good governance is widespread in public sectors in light of the five core good governance principles; participation, effectiveness and efficiency, transparency, accountability, and equity and equality.
In general those described successes and failures of public institutions based on the five good governance indicators have their own positive and negative effects. Successes described by the study promote institutional performances, ensure productivity of institutions creates benefit for the society and facilitates the building of good governance in public institutions. Whereas thosefailures described by the research strongly affects institutional performance, productivity, and the process of building good governance. To sum, for a country striving to achieve the millennium development goals, the contribution of public institutions played crucial role. For institutions to contribute their parts good governance should one of the principal frameworks in all of their activities.



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