Sharif Digital Repository

Adaptive control of regenerative chatter in turning process with tool wear effect

Author

Haji Hajikolaei, K.

Pub. Year

2010

Subjects

Regenerative chatter. / Adaptive control systems. / Control theory. / Cutting. / Equations of motion. / Machinery. / Nonlinear equations. / Speed control. / Turning. / Wear of materials. / Adaptive control. / Adaptive control strategy. / Chatter suppression. / Contact forces. / Control inputs. / Cutting process. / Flank surfaces. / High precision. / Machining conditions. / Machining process. / Nonlinear delay differential equation. / Orthogonal turning. / Piezo actuator. / Regenerative chatters. / Single degree of freedoms. / Stability analysis. / Surface qualities. / Tool wear. / Tool-wear effect. / Turning process. / Work pieces. / Process control.

Spindle speed variation and adaptive force regulation to suppress regenerative chatter in the turning process

Author

Haji Hajikolaei, K.

Pub. Year

2010

Subjects

Adaptive controllers. / Chatter suppression. / Chatter vibrations. / Control approach. / Control strategies. / External force. / Force regulation. / High precision. / Input energy. / Input variables. / Machining Process. / Material removal rate. / Piezo actuator. / Regenerative chatters. / Speed modulation. / Spindle speed. / Steady-state condition. / Surface qualities. / Turning process. / Speed. / Turning. / Adaptive control systems.

Spindle speed variation for regenerative chatter suppression in turning process with tool wear effect

Author

Haji Hajikolaei, K.

Pub. Year

2010

Subjects

Chatter suppression. / Contact forces. / Delay differential equations. / Different frequency. / Flank surfaces. / High precision. / Input energy. / Machining process. / Material removal rate. / Orthogonal turning. / Regenerative chatters. / Single degree of freedoms. / Speed modulation. / Spindle speed. / Stability analysis. / Surface qualities. / Tool-wear effect. / Turning process. / Work pieces. / Equations of motion. / Precision engineering. / Speed control. / Stripping (removal) / Systems analysis. / Turning. / Wear of materials. / Speed.

Performance control of a tape transport mechanism using entire eigenstructure assignment

Author

Moradi, H.

Pub. Year

2010

Subjects

MIMO system. / Tension control. / Data transfer. / Decoding. / Eigenvalues and eigenfunctions. / Feedback. / Feedback control. / Mechanical engineering. / MIMO systems. / Servomotors. / Speed. / Speed control. / Speed regulators. / State feedback. / Additional costs. / Constant velocities. / Control signal. / Eigenstructure assignment. / Eigenvalues and eigenvectors. / Entire eigenstructure assignment. / Feedback matrices. / High rate. / Multi-input multi-output systems. / Performance control. / Risetimes. / Servo system. / State space representation. / Tape transport. / Tension controls. / Time response. / Robustness (control systems)

Optimal batch production with rework and non-zero setup cost for rework

Author

Haji, B.

Pub. Year

2009

Subjects

Batch production. / Defective items. / Economic production quantity. / Holding costs. / Optimal solutions. / Processing costs. / Rework. / Setup cost. / Single machines. / Total cost function. / Waiting-time. / Whole process. / Cost functions. / Industrial engineering. / Optimal systems. / Optimization. / Costs.

One-for-one period policy in a two-echelon inventory system with commoncycle and poisson demand rate for retailers

Author

Haji, R.

Pub. Year

2009

Subjects

One-for-one ordering policy. / Two-echelon. / Deterministic demand. / Inventory policies. / Optimal time. / Ordering policies. / Per unit. / Poisson demand. / Time interval. / Total cost function. / Transportation cost. / Two-echelon inventory. / Cost functions. / Industrial engineering. / Optimization. / Sales. / Inventory control.

Revenue sharing contract for a VMI with one for one period policy

Author

Haji, A.

Publisher

Cogent OA,

Pub. Year

2018

Subjects

One-for-one period policy. / Revenue sharing contract. / Supply chain management. / Vendor managed inventory.

Pricing and inventory decisions in a vendor managed inventory system with revenue sharing contract

Author

Haji, A.

Publisher

Growing Science,

Pub. Year

2018

Subjects

One-for-one period policy. / Revenue sharing contract. / Supply chain management. / Vendor managed inventory.

Developing a partial backlogging deteriorating inventory model with selling price dependant demand rate and cycle length dependant selling price

Author

Haji, A.

Pub. Year

2008

Subjects

Costs. / Deterioration. / Inventory control. / Optimization. / Resource valuation. / Sales. / Systems engineering. / Cycle lengths. / Demand rates. / Finite time horizons. / Inventory models. / Numerical examples. / Optimal order quantities. / Optimal selling prices. / Optimal sequences. / Partial backlogging. / Present worth. / Selling prices. / Solution algorithms. / Solution procedures. / Time value of monies. / Unequal lengths. / Dynamic programming.

One-for-one period policy and a series of suppliers

Author

Haji, R.

Pub. Year

2009

Subjects

Supply chain. / Multi-echelon. / Multi-echelon supply chains. / Ordering cost. / Ordering policies. / System costs. / Total costs. / Industrial engineering. / Inventory control. / Supply chain management. / Supply chains. / Cost reduction.

Optimal batch production with minimum rework cycles and constraint on accumulated defective units

Author

Haji, B.

Pub. Year

2009

Subjects

Batch production. / Changeover cost. / Defective items. / Economic batch quantity. / Production rates. / Resource planning. / Rework process. / Set-up time. / Single machines. / Total costs. / Whole process. / Zero defects. / Resource allocation.

Economic production quantity with accumulated rework

Author

Haji, R.

Pub. Year

2006

Subjects

Defective items. / Economic batch quantity. / Economic production quantity. / Imperfect production. / N cycles. / Rework. / Single- machines. / Whole process. / Engineering. / Industry. / Industrial engineering.

Adaptive control of regenerative chatter in turning process with tool wear effect

Author

Hajikolaei, K. H.

Pub. Year

2010

Subjects

Regenerative chatter. / Adaptive control systems. / Control theory. / Cutting. / Equations of motion. / Machinery. / Nonlinear equations. / Speed control. / Turning. / Wear of materials. / Adaptive Control. / Adaptive control strategy. / Chatter suppression. / Contact forces. / Control inputs. / Cutting process. / Flank surfaces. / High precision. / Machining conditions. / Machining Process. / Nonlinear delay differential equation. / Orthogonal turning. / Piezo actuator. / Single degree of freedoms. / Stability analysis. / Surface qualities. / Tool wear. / Tool-wear effect. / Turning process. / Work pieces. / Process control.