Theory xy douglas mcgregor and theory z william ouichi theory x an authoritarian style of management the average worker dislikes work. A twoport network is reciprocal if y 12 y 21, z 12 z 21, h 12 h21. Multiport conversions between s, z, y, h, abcd, and t. The zparameters are also called opencircuit impedance parameters since they are obtained as a ratio of voltage and current and the parameters are obtained by opencircuiting port 2 i 2 0 or port1 i 1 0. Now, let us discuss about some of the two port parameter conversions. In the theory of errorcorrecting codes, see 15, one assigns to a code c. When z12z21, the twoport circuit is called a reciprocal circuit. They are also used to describe the smallsignal response of nonlinear networks. It is better to work with z parameters and then convert to y parameters. There exist six different ways to describe the relationships between these va. But, we use impedance z, admittance y, or reflection. Abcd parameters of transmission line electrical concepts. Theory x management style generally get poor results compare with managers use theory y, which produces better performance and results, and allows people to grow and develop.
Theory and applications, exercise 19 if the current it through a resistor r decays exponentially with a time constant t, what is the ratio of the power dissipated in the resistor at time t t to its value at t 0. Mcgregors xy theory is a natural rule for managing people. The constants y 11, y 12, y 21, and y 22 are called the admittance or y parameters of the twoport network. A twoport network a kind of fourterminal network or quadripole is an electrical network or device with two pairs of terminals to connect to external circuits.
In this case we use the letter 0 2f 3 for the irrelevant parameters and the nonzero values 1 for the parameters that are set in the language. Gabriel abend northwestern university theory is one of the most important words in the lexicon of contemporary sociology. Ouchi was born and educated in america, but was of japanese descent. Long sha ft, rod, beam, column, sp otwelding, bol 23d oth er x y z all dimension s are c om mas s point ele ment, c on. It is also known as short circuit admittance parameter. The definition and the method of measuring each of the four z parameters are given in fig. Find the z and y parameters in resistive network duration. A two port network can be characterised by by four external variables. We can determine the values of the parameters of a particular two port network by making shortcircuited output port and input port alternatively as follows. C4 appendixc two portnetworkparameters owing to the duality between the z and yparameter characterizations, we shall not give a detailed discussion of z parameters. The z parameters are also called opencircuit impedance parameters since they are obtained as a ratio of voltage and current and the parameters are obtained by opencircuiting port 2 i 2 0 or port1 i 1 0. Hence, the z parameters are also called as opencircuit impedance parameters. Yet, their ubiquity notwithstanding, it is quite unclear what sociologists mean by the words theory, theoretical, and theorize. Conversion from yparameters to zparameters is much simpler, as the zparameter matrix is just the inverse of.
What are the applications of z and y parameters in two port. The construction has a natural interpretation in terms of compacti. A pair of terminals at which a signal voltage or current may enter. Z 21 and z 12 are also referred as transfer impedance. When twoport networks are connected a in series, their impedance parameters add. Here, we have to represent z parameters in terms of y parameters. However, we often use devices with 2, 3, 4, or even more portsmultiple transmission lines can be attached to them. Theory z william ouchi during the 1970s, when japanesestyle management was all the rage, william ouchi, took the theory x, theory y concept one step further. Scribd is the worlds largest social reading and publishing site. Evidence for ftheory cumrun vafa lyman laboratory of physics, harvard university cambridge, ma 028, usa we construct compact examples of dmanifolds for type iib strings. In this article we will see the conversion from one twoport parameter to the other twoport parameters.
Application of theory x and y in classroom management by. Z 22 is the output impedance when input is opencircuited. Z 0 is in general an arbitrary reference impedance, but usually the characteristic impedance of a line e. Here all four parameters,, and represent impedance. Pdf conversions between s, z, y, h, abcd, and t parameters. Job security the japanese theory z approach believes that people are a far too valuable resource to be lost when the economy has a.
Jul 23, 2017 40 for the network given below, what would be the value of z 22, if the estimated zparameters are z 11 30 and z 12 z 21 10. Theory z, however, advocates a combination of all best attributes of theory y and modern japanese management principles, which place a large amount of freedom and trust with workers, and assumes that workers have a strong loyalty and interest in teamworking and the. The definiti ons of the waves a1 and b 1 are inc 01 1 00 0 refl 1 1 0 0 incident voltage wave port1 2 reflected. Short circuit admittance parameters y parameters these parameters are obtained by expressing currents at two ports in terms of voltages at two ports. Admittance parameters or y parameters electrical4u. Conversions between s, z, y, h, abcd, and t parameters which. Mar 06, 2019 h parameters are useful in describing the inputoutput characteristics of circuits where it is hard to measure z or y parameters such as a transistor.
William ouchi developed theory z after making a comparative study of japanese and american management practices. Theory z suggests that large complex organisations are human systems and their effectiveness depends on the quality of humanism used. Conversion from zparameters to yparameters is much simpler, as the yparameter matrix is just the inverse of the. First let us apply current source of i 1 at input port keeping the output port short circuited as shown below. In particular, and are transfer impedances, defined as the ratio of a voltage or in one part of a network to a current or in another part. Now, let us discuss about these two port network parameters one by one. Follow these steps, while converting one set of two port network parameters into the other set of two port network parameters. If the linear network only contains passive elements, it is reciprocal. The relationship between voltages and current in h parameters. Theory xy douglas mcgregor and theory z william ouichi. These parameters are used to describe the electrical behavior of linear electrical networks.
Voltage regulation voltage regulation is defined as the change in the magnitude of the voltage between the sending and receiving ends of the transmission line. Conversion between two port parameters gate study material in pdf in the previous article we have seen about two port parameters for standard networks. Multiport conversions between s, z, y, h, abcd, and t parameters. Therefore most people must be motivated by forcedbribed with the threat of punishment or a reward to produce effort and work towards organizational objectives. Z 12 is the reverse transfer impedance when input is opencircuited. Power supply, bread board, five resistances, connecting leads. To calculate and verify z parameters of twoport network.
Z 11 and z 22 are also referred as driving point impedance. Two terminals constitute a port if the currents applied to them satisfy the essential requirement known as the port condition. Y, h, and abcd parameters as well as between s and t parameters. Just as douglas macgregors theory x and y were based on management assumptions about people, so too is ouichis theory z approach. The yparameters are also called shortcircuit admittance parameters. To calculate and verify y parameters of twoport network. Admittance parameters or yparameters are properties used in many areas of electrical. The relationship between mcgregors xy theory management. Mcgregors ideas suggest that there are two fundamental approaches to managing people. Is there an equivalent matrix for transmission line. Get an answer for compare the theory x, theory y, and theory z assumptions of human relations.
Network theory lab ee223f lab manual iii sem ece page 8 2 when ip is open circuited i. Z 21 is the forward transfer impedance when output is opencircuit. Determine the z and y parameters for the circuit in fig. The remaining twodimensions, the area input data and assigned tothe respectiveelements practical exa mple. Write the equations of a two port network in terms of desired parameters. Theory of noise measurement application note 5c042 page 1 of 3 introduction noise is a natural phenomenon that affects most. They are impedance parameters z, admittance parameters y, transmission. Admittance parameters or y parameters the elements of an admittance matrix or y matrix are properties used in many areas of electrical engineering, such as power, electronics, and telecommunications. Here, input and output voltages are expressed in terms of input and output currents. Values i used for s11, s12, s21, s22 are as shown in picture.
The efficiency of transmission lines efficiency of the transmission lines is defined as the ratio of the input power to the output. Owing to the duality between the z and y parameter characterizations, we shall not give a detailed discussion of z parameters. Z and y parameters signal processing electrical engineering. Fleishman uses fleishmans thirdorder polynomial transformation and polynomial uses headricks fifthorder transformation. Similarly, we can calculate the other two z parameters, z 12 and z 22 by doing open circuit of port1. H parameters encapsulate all the important linear characteristics of the circuit, so they are very useful for simulation purposes. I am trying to convert sparameters obtained from cst simulator into yparameters using the formulas as shown in the picture shared. Here, y 11, y 12, y 21 and y 22 are admittance parameter. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. So, in this case z parameters are the desired parameters and y parameters are the given parameters. Impedance parameters or zparameters are properties used in electrical engineering. Now, we will calculate the value of sending end voltage and current in terms of receiving end voltage and current.
Conversions between s, z, y, h, abcd, and t parameters which are. The zparameters of the two port network has been calculated and verified. Z parameters problem 1 two port network circuit theory. What are the applications of z and y parameters in two. When z11z22, the twoport circuit is said to be symmetrical. Z parameters are also known as opencircuit impedance parameters as they are calculated under open circuit conditions. Y parameters are known asshort circuit admittance parameters because in both the cases, oneport is short i. For better understanding, let us take the circuit below, let us put a voltage source v 1 at input, now, let us connect one voltage source v 2.
Admittance parameters or yparameters the elements of an admittance matrix or ymatrix are properties used in many areas of electrical engineering, such as power, electronics, and telecommunications. Jan 06, 2019 here, y 11, y 12, y 21 and y 22 are admittance parameter. For unsymmetrical network we have the linear parameters are. Conversion between two port parameters gate study material. Ieee transactions on microwave theory and techniques.
Ieee transactions on microwave theory and techniques 422. Motivation, theory x and y, classroom, management manager and organisation introduction douglas mcgregor, an american social psychologist, proposed his famous theory x and y in his book the human side of enterprise in 1960. We know that, the following matrix equation of two port network regarding z parameters as. Since admittance is the ratio of circuit current and voltage, therefore this admittance matrix gives the relationship between the input and output current and voltage of the network. Network theory lab ee223f lab manual iii sem ece page 7 experiment no.